CN212247445U - Double-needle single-station sewing machine - Google Patents
Double-needle single-station sewing machine Download PDFInfo
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- CN212247445U CN212247445U CN202020428610.2U CN202020428610U CN212247445U CN 212247445 U CN212247445 U CN 212247445U CN 202020428610 U CN202020428610 U CN 202020428610U CN 212247445 U CN212247445 U CN 212247445U
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Abstract
The utility model discloses a double-needle single-station sewing machine, which comprises a frame, a first sewing needle, a second sewing needle, and a working mechanism arranged on the frame and used for driving the first sewing needle or the second sewing needle to move up and down to perform sewing work, wherein the first sewing needle and the second sewing needle are both provided with a sewing station and a standby station; the double-needle single-station sewing machine of the utility model can avoid the double-thread equidistance caused by the simultaneous work of the double needles, can not deal with irregular sewing track patterns, and has wider application range; and compare in single needle sewing machine, can effectively provide high work efficiency, avoid changing the condition that the line or changing the machine could make different design stitches.
Description
Technical Field
The utility model belongs to the technical field of sewing machine, concretely relates to duplex simplex position sewing machine.
Background
The traditional sewing machines are single-needle sewing machines, so that multiple times of sewing is needed for fabrics needing double-thread or multi-thread sewing, in order to improve sewing efficiency, various types of double-needle sewing machines are available on the market at present, the double-needle sewing machines generally carry out double-thread sewing by double needles simultaneously, double threads are parallel and parallel after sewing, but the double needles are fixed to be sewn simultaneously, the distance between the double threads is generally equidistant after sewing, and for some unique special-shaped patterns, the double-needle sewing machines cannot be used for sewing, and have limitation in application; although the single-needle sewing machine is flexible in the face of unique special-shaped patterns, the efficiency is low, and when double-color double-thread sewing is needed, the sewing thread drawn by a sewing needle can only be changed into another pattern, or the cloth can be directly transferred to another sewing machine with the required pattern sewing thread for sewing, and the efficiency of any scheme is low.
Disclosure of Invention
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-needle single-station sewing machine comprises a rack, a first sewing needle, a second sewing needle, a working mechanism, a switching mechanism and a first and second sewing needle, wherein the working mechanism is arranged on the rack and used for driving the first sewing needle or the second sewing needle to move up and down so as to perform sewing work;
when the switching mechanism drives the first sewing needle to move to the sewing station, the second sewing needle is driven to the standby station, and the working mechanism can drive the first sewing needle to move up and down and perform sewing work;
when the switching mechanism drives the second sewing needle to move to the sewing station, the first sewing needle is driven to the standby station, and the working mechanism can drive the second sewing needle to move up and down and perform sewing work.
Preferably, the sewing station of the first sewing needle and the sewing station of the second sewing needle are located at the same position.
Preferably, the first sewing needle and the second sewing needle can linearly move along the horizontal direction, and the switching mechanism can drive the first sewing needle and the second sewing needle to linearly move along the horizontal direction.
Preferably, the rack comprises a fixed frame and a sliding seat arranged on the fixed frame in a sliding manner along the horizontal direction, the first sewing needle and the second sewing needle are arranged on the sliding seat in a sliding manner along the vertical direction, and the switching mechanism drives the sliding seat to linearly move along the left-right direction so as to drive the first sewing needle and the second sewing needle to move to a sewing station or a standby station.
Preferably, the sliding seat is provided with a first needle rod and a second needle rod in a sliding manner, the first needle rod and the second needle rod are respectively fixed at the lower ends of the first needle rod and the second needle rod, the middle parts of the first needle rod and the second needle rod are respectively fixed with a first supporting guide block and a second supporting guide block, the fixed frame is fixedly provided with a first supporting guide rail and a second supporting guide rail which are respectively matched with the first supporting guide block and the second supporting guide block in a sliding manner, and a spacing space is formed between the first supporting guide rail and the second supporting guide rail; when the switching mechanism acts to enable the first support guide block to be separated from the first support guide rail and move to the spacing space, the working mechanism can drive the first sewing needle to move up and down to perform sewing work; when the switching mechanism acts to enable the second supporting guide block to be separated from the second supporting guide rail and move to the spacing space, the working mechanism can drive the second sewing needle to move up and down to perform sewing work.
Preferably, the first support guide block and the second support guide block are provided with a first sliding chute and a second sliding chute which are respectively matched with the first support guide rail and the second support guide rail in a sliding manner; when the first sewing needle moves to the sewing station along the left-right direction, the first chute is matched and clamped with a clamping table on the working mechanism, so that the working mechanism drives the first sewing needle to move up and down; when the second sewing needle moves to the sewing station along the left-right direction, the second chute is clamped with the clamping table on the working mechanism in a matching manner, so that the working mechanism drives the second sewing needle to move up and down.
Preferably, the first support guide block and the second support guide block are respectively provided with a first guide boss and a second guide boss, the sliding seat is fixedly provided with a guide assembly, the guide assembly is provided with a guide channel for guiding the first guide boss and the second guide boss in a sliding manner, and the first guide boss and the second guide boss slide in the guide channel when the first sewing needle or the second sewing needle moves up and down.
Preferably, the switching mechanism comprises a power device and a transmission mechanism in transmission connection between the power device and the sliding seat, the extending direction of a rotating force output shaft of the power device is parallel to the sliding direction of the sliding seat, and the power device is positioned above the sliding seat.
Preferably, the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism which are in transmission connection, the first transmission mechanism is in butt joint with a rotating force output shaft of the power device, and the second transmission mechanism is in butt joint with the sliding seat.
Preferably, the first transmission mechanism comprises a first transmission wheel fixedly connected to a rotating force output shaft of the power device, a second transmission wheel and a transmission belt in transmission connection between the first transmission wheel and the second transmission wheel; the second transmission mechanism comprises a lead screw which is rotatably arranged relative to the fixed frame and a nut sleeve which is fixedly arranged with the sliding seat, and the second transmission wheel is fixedly connected with one end part of the lead screw.
Compared with the prior art, the utility model discloses an useful part lies in:
the utility model discloses a double-needle single-station sewing machine, through reforming transform current single-needle sewing machine, increase a seam needle on the basis of original single needle, but the utility model discloses a first seam needle and second seam needle can not work simultaneously, when first seam needle is in operating condition, then the second seam needle is in non-operating condition, when the second seam needle is in operating condition, then the first seam needle is in non-operating condition, so both can avoid because of the double-thread equidistance that the double-needle simultaneous working leads to, can't deal with irregular sewing orbit pattern, application scope is more extensive; and compare in single needle sewing machine, can effectively provide high work efficiency, avoid changing the condition that the line or changing the machine could make different design stitches.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic perspective view of the sewing machine of the present invention;
FIG. 2 is a schematic view of the exploded perspective structure of the sewing machine of the present invention;
FIG. 3 is a schematic view of the slide seat and the exploded upper part of the slide seat according to the present invention;
wherein: 11. a first needle bar; 12. a first support guide block; 121. a first guide boss; 21. a second needle bar; 22. a second support guide block; 220. a second chute; 221. a second guide boss; 210. a guide strip; 30. an intervening space; 31. a first support rail; 32. a second support rail; 40. a power plant; 41. a second transmission wheel; 42. a lead screw; 43. a nut sleeve; 44. mounting blocks; 45. mounting a plate; 50. a supporting seat; 51. hooking a needle; 52. a telescopic cylinder; 60. a housing; j10, a rack body; j20, a fixed plate; j30, sliding seat; z1, a first stitch; z2, second stitch.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
As shown in fig. 1 to 3, a double-needle single-station sewing machine includes a frame, a first needle z1 and a second needle z2, and a working mechanism disposed on the frame (the head of the frame is further provided with a housing 60) and used for driving the first needle z1 or the second needle z2 to move up and down to perform sewing work, the first needle z1 and the second needle z2 can perform sewing movement in the up and down direction and can also perform linear movement in the horizontal direction (the left and right direction of the sewing machine), the first needle z1 and the second needle z2 both have a sewing station (the sewing station of the first needle z1 and the sewing station of the second needle z2 are located at the same position) and a standby station, and the sewing machine further includes a switching mechanism disposed on the frame and used for driving the first needle z1 and the second needle z2 to linearly move to the sewing station or the standby station in the horizontal direction;
when the switching mechanism drives the first sewing needle z1 to move to a sewing station, the second sewing needle z2 is driven to a standby station, and the working mechanism can drive the first sewing needle z1 to move up and down and perform sewing work; when the switching mechanism drives the second sewing needle z2 to move to a sewing station, the first sewing needle z1 is driven to a standby station, and the working mechanism can drive the second sewing needle z2 to move up and down and perform sewing work; that is, when the first needle z1 is in the working state, the second needle z2 is in the non-working state, and when the second needle z2 is in the working state, the first needle z1 is in the non-working state; therefore, the double-thread equidistant sewing machine can avoid the phenomenon that double threads are equidistant due to the simultaneous working of double needles, cannot cope with irregular sewing track patterns, and has wider application range; and compare in single needle sewing machine, can effectively provide high work efficiency, avoid changing the condition that the line or changing the machine could make different design stitches.
Specifically, the rack comprises a fixed frame (the fixed frame comprises a frame body j10 and a fixed plate j20 fixed on the frame body j 10), a sliding seat j30 arranged on the fixed plate j20 in a sliding mode along the horizontal direction, a first needle bar 11 and a second needle bar 21 are arranged on the sliding seat j30 in a sliding mode, a first sewing needle z1 and a second sewing needle z2 are respectively fixed at the lower ends of the first needle bar 11 and the second needle bar 21, the working mechanism drives the first needle bar 11 or the second needle bar 21 to move up and down, and then drives the first sewing needle z1 or the second sewing needle z2 to carry out sewing work, and the switching mechanism drives the sliding seat j30 to move linearly along the left and right direction, and then drives the first sewing needle z1 and the second sewing needle z2 to move to a sewing station or a standby station.
In this example, the middle parts of the first needle bar 11 and the second needle bar 21 are respectively fixed with a first support guide block 12 and a second support guide block 22, the fixing plate j20 is fixedly provided with a first support guide rail 31 and a second support guide rail 32 which are respectively matched with the first support guide block 12 and the second support guide block 22 in a sliding way, and a spacing space 30 is formed between the first support guide rail 31 and the second support guide rail 32; in addition, the first support guide block 12 and the second support guide block 22 are provided with a first sliding chute (not shown) and a second sliding chute which are respectively matched with the first support guide rail 31 and the second support guide rail 32 in a sliding manner;
when the switching mechanism drives the sliding seat j30 to move linearly in the left-right direction, so that the first sliding groove on the first support guide block 12 is separated from the first support guide rail 31 and the first support guide block 12 moves to the spacing space 30, the first support guide block 12 is free from the limitation in the left-right direction, and meanwhile, a clamping table (not shown) of the working mechanism is just matched and clamped with the first sliding groove, so that the working mechanism can drive the first needle bar 11 and the first sewing needle z1 below the first needle bar to move up and down for sewing;
when the switching mechanism drives the sliding seat j30 to move linearly in the left-right direction, so that the second sliding groove on the second support guide block 22 is separated from the second support guide rail 32 and the second support guide block 22 moves to the spacing space 30, the restriction of the second support guide block 22 in the left-right direction is removed, meanwhile, the clamping table of the working mechanism is just matched and clamped with the second sliding groove, so that the working mechanism can drive the second needle rod 21 and the second sewing needle z2 below the second needle rod to move up and down to perform sewing work;
note: the above-mentioned working mechanism is the mechanism for driving the sewing needle to move up and down, and the working mechanism for driving the sewing needle to move up and down of the existing sewing machine is directly utilized, and the working and structural principles are not changed, so that the specific structural arrangement of the working mechanism is not repeated herein, and the sewing machine in the prior art can be directly referred to.
In addition, the first support guide block 12 and the second support guide block 22 are respectively formed with a first guide boss 121 and a second guide boss 221, the sliding seat j30 is fixedly provided with a guide assembly, and the guide assembly is formed with a guide channel for guiding the first guide boss 121 and the second guide boss 221 in a sliding manner, that is, when the first sewing needle z1 or the second sewing needle z2 moves up and down, the first guide boss 121 and the second guide boss 221 slide in the guide channel to receive the guide effect of the guide channel, in this example, the guide assembly comprises 4 guide bars 210, and the guide channel is formed between every two guide bars.
Further, the switching mechanism comprises a power device 40 and a transmission mechanism in transmission connection between the power device 40 and the sliding seat j30, the extension direction of the rotating force output shaft of the power device 40 is parallel to the sliding direction of the sliding seat j30, and the power device 40 is positioned above the sliding seat j 30. The transmission mechanism comprises a first transmission mechanism and a second transmission mechanism which are in transmission connection, the first transmission mechanism is in butt joint with a rotating force output shaft of the power device 40, and the second transmission mechanism is in butt joint with the sliding seat j 30.
The first transmission mechanism comprises a first transmission wheel (not shown) fixedly connected to a rotating force output shaft of the power device 40, a second transmission wheel 41, and a transmission belt (not shown) in transmission connection between the first transmission wheel and the second transmission wheel 41; the second transmission mechanism comprises a lead screw 42 which is rotatably arranged relative to the fixed plate j20 and a nut sleeve 43 which is fixedly arranged with the sliding seat j30, and the second transmission wheel 41 is fixedly connected with one end part of the lead screw 42;
the fixing plate j20 is fixedly connected with a mounting block 44 and a mounting plate 45 which are positioned at the left and right sides, the two ends of the screw rod 42 are rotationally overlapped on the mounting block 44 and the mounting plate 45 through bearings, the mounting block 44 and the mounting plate 45 extend forwards from one side surface of the fixing plate j20 along the length direction of the sewing machine and cross over the sliding seat j30, namely, the sliding seat j30 is positioned between the mounting block 44 and the mounting plate 45 in the left and right direction and moves between the mounting block 44 and the mounting plate 45 when moving, and the distance of the sliding seat j30 in the left and right direction linear motion is 15.7 mm.
When the sewing needle needs to be switched for sewing, the power device 40 (motor) is started, the first driving wheel can be driven to rotate forwards or backwards, the first driving wheel can drive the second driving wheel 41 to rotate through the driving belt, the second driving wheel 41 can drive the screw rod 42 to rotate forwards or backwards, and therefore the nut sleeve 43 of the screw rod 42 drives the sliding seat j30 to move left and right, and the purpose of switching sewing needles is achieved.
Further, the sewing machine further comprises a first thread hooking mechanism for hooking the free end of the cut thread drawn by the first needle z1 when the first needle z1 finishes sewing, and a second thread hooking mechanism for hooking the free end of the cut thread drawn by the second needle z2 when the second needle z2 finishes sewing. The first thread hooking mechanism and the second thread hooking mechanism respectively comprise a supporting seat 50 fixedly arranged relative to the frame, a telescopic cylinder 52 arranged on the supporting seat 50, and a crochet hook 51 fixed on a power output end of the telescopic cylinder 52.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a two needle simplex position sewing machines which characterized in that: the sewing machine comprises a rack, a first sewing needle, a second sewing needle, a working mechanism, a switching mechanism and a control mechanism, wherein the working mechanism is arranged on the rack and used for driving the first sewing needle or the second sewing needle to move up and down so as to perform sewing work;
when the switching mechanism drives the first sewing needle to move to a sewing station, the second sewing needle is driven to a standby station, and the working mechanism can drive the first sewing needle to move up and down and perform sewing work;
when the switching mechanism drives the second sewing needle to move to a sewing station, the first sewing needle is driven to a standby station, and the working mechanism can drive the second sewing needle to move up and down and perform sewing work.
2. The double-needle single-station sewing machine according to claim 1, characterized in that: the sewing station of the first sewing needle and the sewing station of the second sewing needle are positioned at the same position.
3. The double-needle single-station sewing machine according to claim 1, characterized in that: the first sewing needle and the second sewing needle can linearly move along the horizontal direction, and the switching mechanism can drive the first sewing needle and the second sewing needle to linearly move along the horizontal direction.
4. The double-needle single-station sewing machine according to claim 3, characterized in that: the frame includes the mount, slides along the horizontal direction and locates sliding seat on the mount, first seam needle and second seam needle slide along upper and lower direction and locate on the sliding seat, switching mechanism drives sliding seat is along left right direction linear motion, and then drives first seam needle and second seam needle move to making up station or stand-by station.
5. The double-needle single-station sewing machine according to claim 4, characterized in that: the sliding seat is provided with a first needle rod and a second needle rod in a sliding manner, the first needle rod and the second needle rod are respectively fixed at the lower ends of the first needle rod and the second needle rod, the middle parts of the first needle rod and the second needle rod are respectively fixed with a first supporting guide block and a second supporting guide block, the fixed frame is fixedly provided with a first supporting guide rail and a second supporting guide rail which are respectively matched with the first supporting guide block and the second supporting guide block in a sliding manner, and a spacing space is formed between the first supporting guide rail and the second supporting guide rail;
when the switching mechanism acts to enable the first support guide block to be separated from the first support guide rail and move to the spacing space, the working mechanism can drive the first sewing needle to move up and down to perform sewing work;
when the switching mechanism acts to enable the second supporting guide block to be separated from the second supporting guide rail and move to the spacing space, the working mechanism can drive the second sewing needle to move up and down to perform sewing work.
6. The double-needle single-station sewing machine according to claim 5, wherein: the first support guide block and the second support guide block are provided with a first sliding chute and a second sliding chute which are respectively matched with the first support guide rail and the second support guide rail in a sliding way; when the first sewing needle moves to a sewing station along the left-right direction, the first chute is matched and clamped with a clamping table on the working mechanism, so that the working mechanism drives the first sewing needle to move up and down; when the second sewing needle moves to the sewing station along the left-right direction, the second sliding groove is clamped with a clamping table on the working mechanism in a matching mode, and therefore the working mechanism drives the second sewing needle to move up and down.
7. The double-needle single-station sewing machine according to claim 5, wherein: still be formed with first direction boss, second direction boss on first support guide block and the second support guide block respectively, the fixed direction subassembly that is provided with on the sliding seat, be formed with on the direction subassembly and do first direction boss, the direction passageway that the second direction boss slided and leads, during first seam needle or the second seam needle up-and-down motion, first direction boss and second direction boss are in slide in the direction passageway.
8. The double-needle single-station sewing machine according to claim 4, characterized in that: the switching mechanism comprises a power device and a transmission mechanism in transmission connection between the power device and the sliding seat, the extending direction of a rotating force output shaft of the power device is parallel to the sliding direction of the sliding seat, and the power device is positioned above the sliding seat.
9. The double-needle single-station sewing machine of claim 8, wherein: the transmission mechanism comprises a first transmission mechanism and a second transmission mechanism which are in transmission connection, the first transmission mechanism is in butt joint with a rotating force output shaft of the power device, and the second transmission mechanism is in butt joint with the sliding seat.
10. The double-needle single-station sewing machine of claim 9, wherein: the first transmission mechanism comprises a first transmission wheel fixedly connected to a rotating force output shaft of the power device, a second transmission wheel and a transmission belt in transmission connection between the first transmission wheel and the second transmission wheel; the second transmission mechanism comprises a lead screw which is rotatably arranged relative to the fixed frame and a nut sleeve which is fixedly arranged with the sliding seat, and the second transmission wheel is fixedly connected with one end part of the lead screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020428610.2U CN212247445U (en) | 2020-03-30 | 2020-03-30 | Double-needle single-station sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020428610.2U CN212247445U (en) | 2020-03-30 | 2020-03-30 | Double-needle single-station sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212247445U true CN212247445U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020428610.2U Active CN212247445U (en) | 2020-03-30 | 2020-03-30 | Double-needle single-station sewing machine |
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|---|---|
| CN (1) | CN212247445U (en) |
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- 2020-03-30 CN CN202020428610.2U patent/CN212247445U/en active Active
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Address after: 317502 No. 16, Jinxiu Road, Xinhe Town, Wenling City, Taizhou City, Zhejiang Province Patentee after: Zhejiang youlemark Precision Machinery Technology Co.,Ltd. Address before: 215223 Tong'an West Road, Wanping community, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: SUZHOU HANDELI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
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