CN210368227U - Thread trimming mechanism and sewing thread pressing machine with same - Google Patents
Thread trimming mechanism and sewing thread pressing machine with same Download PDFInfo
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- CN210368227U CN210368227U CN201921038463.1U CN201921038463U CN210368227U CN 210368227 U CN210368227 U CN 210368227U CN 201921038463 U CN201921038463 U CN 201921038463U CN 210368227 U CN210368227 U CN 210368227U
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Abstract
The utility model relates to a thread trimming mechanism, which comprises a first scissor blade and a second scissor blade, wherein the first scissor blade is provided with a first scissor head with a cutting edge; the second shear blade is mutually crossed with the first shear blade and is hinged with the first shear blade at the crossed position through a rotating shaft; the second shear blade is provided with a second shear head with a cutting edge arranged opposite to the cutting edge of the first shear head; the scissors also comprise a driving mechanism, wherein the power output end of the driving mechanism can be connected with a rotating shaft at the intersection, and can drive the first scissor head and the second scissor head to move in the opposite direction or in the back direction while driving the first scissor blade and the second scissor blade to integrally and synchronously move up and down. Also relates to a suture pressing line with the thread trimming mechanism. When the thread trimming mechanism needs to perform thread trimming action, the first scissor piece and the second scissor piece perform thread trimming action in the upward moving process, the first scissor piece and the second scissor piece do not need to be moved integrally to the position needing thread trimming and then perform thread trimming action, thread trimming time is saved, and thread trimming efficiency is improved.
Description
Technical Field
The utility model relates to a weaving clothing equipment field, concretely relates to be applied to thread trimming mechanism and have this thread trimming mechanism's sewing thread presser in the equipment that has sewing machine.
Background
In the process of processing clothes, a sewing machine is needed to be used for sewing, and the sewn and pressed cloth needs to be manually cut off one by one to form a cutting line, so that the efficiency is low.
In order to solve the above technical problems, for example, chinese patent application No. CN201811523211.8 (application publication No. CN109267252A) discloses a thread trimming device for continuous sewing in a sewing machine and a method thereof, the thread trimming device of the sewing machine includes a knife rest support handle, a movable knife and a fixed knife, the knife rest support handle is fixed on a frame, a notch is formed in a side edge of the frame, the fixed knife is fixed at the notch, a blade of the fixed knife faces upward, the movable knife is hinged on the knife rest support handle, one end of the movable knife has a blade and can swing downward and form a shearing motion with the fixed knife, a driving member for driving the movable knife to swing is arranged on the knife rest support handle, and a sensor for detecting sewing materials is arranged on one side of the fixed knife. The thread cutting device and the sewing machine are both arranged on the working table of the frame, the thread cutting device is positioned on the moving path of the sewing material, and the thread cutting mechanism is positioned on the working table, so that the thread cutting device and the sewing machine occupy the space of the working table.
In order to solve the technical problems, for example, in a chinese utility model patent with patent No. CN201620453390.2 (No. CN205636040U), a sewing and thread pressing machine with an automatic thread cutting device includes a frame, a workbench, an overlock device, a feeding device and a flat seaming device, wherein the overlock device, the feeding device and the flat seaming device are sequentially arranged on the frame from front to back; the workbench is positioned on the left sides of the overlock device and the flat seaming device; the device also comprises a thread trimming device; the thread trimming device is positioned at the rear side of the flat seaming device and is arranged on the frame; the thread trimming device comprises an infrared sensor and a thread trimming knife; after the two pieces of fabric with the right side edges aligned and the front sides closed are overlooked by the overlock device, the two pieces of fabric are conveyed to the flat seaming device through the feeding device to be pressed, and finally the processed fabric is automatically cut when passing through the thread cutting device. Trimming mechanism in this patent sets up in the below of mount, and when the existence of cloth was sensed to infrared inductor, under the normal conditions, need drive trimming mechanism to remove to the position that needs the trimming, then the work of drive trimming sword is accomplished the trimming action again, and its trimming efficiency is lower.
Therefore, further improvements to existing thread trimming mechanisms are needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first technical problem that will solve is to the current situation of above-mentioned prior art, provides a two shear blades carry out the trimming action in the rebound to reach the trimming mechanism who improves trimming efficiency purpose.
The utility model aims to solve the second technical problem that, a improve sewing wire pressing machine of thread trimming efficiency when reducing table surface occupation space is provided.
The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a thread trimming mechanism comprises
A first scissor blade, a first scissor head having a cutting edge;
the second shear blade is mutually crossed with the first shear blade and is hinged with the first shear blade at the crossed position through a rotating shaft; the second shear blade is provided with a second shear head with a cutting edge arranged opposite to the cutting edge of the first shear head;
the method is characterized in that: also comprises
And the power output end of the driving mechanism can be connected with the rotating shaft at the intersection, and can drive the first scissor head and the second scissor head to move in opposite directions or in back directions while driving the first scissor blade and the second scissor blade to integrally and synchronously move up and down.
The driving mechanism has various structural forms, the knife handle of the first shear blade and the handle of the second shear blade can be matched in an up-and-down sliding manner to fold and separate the knife handle and the handle, so that the trimming action is completed, and other structural forms can be adopted; the first end of the second connecting plate is rotatably connected with the handle of the second shear blade, and the second end of the second connecting plate is rotatably connected with the corresponding position of the connecting assembly.
The link among the coupling assembling can adopt Y type structure, also can adopt the form of the two boards of components of a whole that can function independently, preferably, coupling assembling includes link, first gangbar and second gangbar, the link is whole to be the Y type, and this link includes the fixed plate with the relative fixed connection of the shell of driver and the first extension board and the second extension board that are connected with the fixed plate, the one end of first gangbar is connected with the second end rotation of first connecting plate, and the other end of first gangbar is connected with first extension board rotation, the one end of second gangbar is connected with the second end rotation of second connecting plate, and the other end and the second extension board rotation of second gangbar are connected.
In order to make the drive mechanism for performing the thread cutting action more reliable, it is preferred that the first and second connecting plates are both arc-shaped plates curved in the direction of the driver.
In order to facilitate the installation of the driver and the rotating shaft, preferably, the power output end of the driver is connected with an installation plate, the installation plate is provided with an installation hole for the rotating shaft to pass through, and the installation plate is installed at the intersection of the first shear blade and the second shear blade through the relative rotation connection of the rotating shaft and the installation hole.
The driver may be in the form of a motor and a guide rail, and may also be in the form of a cylinder, and preferably, the driver is a driving cylinder in view of simple structural design.
In order to limit the first scissor head and the second scissor head to move continuously in opposite directions and prevent the knife handle and the handle from being clamped, a limiting structure for limiting the knife handle and the handle to move continuously in opposite directions is arranged between the knife handle of the first scissor blade and the handle of the second scissor blade.
The limiting structure has various structural forms, and from the perspective of simple structure and cost, preferably, the limiting structure comprises a first limiting block arranged on the handle of the first shear blade, the handle of the second shear blade is provided with a second limiting block arranged opposite to the first limiting block, and the first limiting block and the second limiting block are abutted when the first shear head and the second shear head are in a furled state.
The utility model provides a technical scheme that above-mentioned second technical problem adopted does: the utility model provides a sewing line pressing machine with above-mentioned thread trimming mechanism which characterized in that: the trimming mechanism is arranged below the table top of the workbench, and a driving mechanism of the trimming mechanism drives the first scissor head and the second scissor head to move oppositely while driving the first scissor blade and the second scissor blade to integrally and synchronously move upwards; the driving mechanism drives the first scissor head and the second scissor head to move back to back while driving the first scissor blade and the second scissor blade to move downwards integrally and synchronously.
In order to facilitate the scissors heads of the two scissors blades to penetrate through the working table, preferably, an opening through which the first scissors head and the second scissors head penetrate out is formed in the table top of the working table.
Compared with the prior art, the utility model discloses a when first shear blade and the second shear blade of trimming mechanism can wholly reciprocate in step under actuating mechanism's drive, the first shear head of first shear blade can draw in or part with the second shear head of second shear blade, that is to say, when needing to carry out the trimming action, under actuating mechanism's drive, first shear blade and second shear blade carry out the trimming action at the in-process of rebound, need not to carry out the trimming action again with first shear blade and second shear blade integrated motion to the position that needs the trimming earlier, the time of trimming has been saved, the trimming efficiency has been improved.
Drawings
Fig. 1 is a schematic structural view of the embodiment of the present invention in a non-trimming state;
FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;
fig. 3 is a schematic structural view of the embodiment of the present invention in a trimming state;
FIG. 4 is a schematic view of the structure of FIG. 3 at another angle;
fig. 5 is a schematic structural view (in a non-thread cutting state) of the sewing thread presser according to the embodiment of the present invention;
FIG. 6 is a schematic view of a portion of the structure of FIG. 5;
fig. 7 is a schematic structural view (in a thread cutting state) of the sewing thread presser according to the embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 5 to 7, the utility model discloses sewing thread presser of embodiment includes workstation 5, carries out turn-ups mechanism 6, is used for carrying out sewing machine 7 and the trimming mechanism of line ball to the cloth after the turn-ups to the double-deck cloth after sewing. The flanging mechanism 6, the sewing machine 7 and the thread cutting mechanism are sequentially arranged along the advancing direction of the cloth, namely, the thread cutting mechanism is arranged at the downstream of the sewing machine 7, specifically, the machine head of the sewing machine 7 is positioned above the table top of the workbench 5, and the thread cutting mechanism is positioned below the table top of the workbench 5.
As shown in fig. 1 to 4, the thread trimming mechanism according to the embodiment of the present invention includes a first scissor blade 1, a second scissor blade 2, and a driving mechanism 4.
As shown in fig. 1 to 4, the first scissor blade 1 has a first scissor head 11 and a handle 12 of a knife edge; the second shear blade 2 and the first shear blade 1 are mutually crossed, the second shear blade 2 and the first shear blade 1 are hinged at the crossed part through a rotating shaft 3, specifically, the second shear blade 2 and the first shear blade 1 are correspondingly provided with shaft holes for the rotating shaft 3 to penetrate through at the crossed part, and the first shear blade 1 and the second shear blade 2 are rotatably connected through the rotating matching of the rotating shaft 3 and the shaft holes; the second scissor element 2 has a second scissor head 21 with a cutting edge arranged opposite to the cutting edge of the first scissor head 11; in this embodiment, the lower part of the first shear blade 1 at the intersection is the handle 12 of the first shear blade 1, and the upper part of the first shear blade 1 at the intersection is the first shear head 11 of the first shear blade 1; the lower part of the second cutting blade 2 at the intersection is the handle 22 of the second cutting blade 2 and the upper part of the second cutting blade 2 at the intersection is the second cutting head 21 of the second cutting blade 2. An opening 511 through which at least a part of the first scissor head 11 and at least a part of the second scissor head 21 simultaneously penetrate is formed on the table 51 of the workbench 5, as shown in fig. 5 to 7.
As shown in fig. 1 to 4, 6 and 7, the driving mechanism 4 is disposed below the table 51 of the workbench 5 through the support 46, the power output end of the driving mechanism 4 can be connected to the rotating shaft 3 at the intersection, the driving mechanism can drive the first scissor head 11 and the second scissor head 21 to move toward or away from each other while driving the first scissor blade 1 and the second scissor blade 2 to move up and down synchronously, in this embodiment, the thread cutting mechanism is disposed below the table of the workbench 5, and the first scissor head 11 and the second scissor head 21 are driven to move toward each other to complete the cutting action while the first scissor blade 1 and the second scissor blade 2 are driven by the driving mechanism 4 to move up, as shown in fig. 3 and 4; after the cutting action is completed, the first scissor head 11 and the second scissor head 21 are driven to move back to separate the first scissor head 11 and the second scissor head 21 in the process of the downward movement of the first scissor blade 1 and the second scissor blade 2 driven by the driving mechanism, as shown in fig. 1 and fig. 2.
As shown in fig. 1 to 4, the driving mechanism 4 includes a driver 41, a connecting assembly 42, a first connecting plate 43 and a second connecting plate 44, one end of the connecting assembly 42 is relatively fixedly connected with the housing of the driver 41, a power output end of the driver 41 can be in driving connection with the rotating shaft 3, a first end of the first connecting plate 43 is rotatably connected with the shank 12 of the first shear blade 1, and a second end of the first connecting plate 43 is rotatably connected with a corresponding position of the connecting assembly 42; a first end of the second connecting plate 44 is pivotally connected to the handle 22 of the second scissor element 2 and a second end of the second connecting plate 44 is pivotally connected to the connecting assembly 42 at a corresponding position, as shown in fig. 4. The connecting assembly 42 in this embodiment includes a connecting frame 421, a first linkage rod 422, and a second linkage rod 423, the connecting frame 421 is generally Y-shaped, the connecting frame 421 includes a fixed plate 4211 fixedly connected to the housing of the driver 41, and a first support plate 4212 and a second support plate 4213 connected to the fixed plate 4211, one end of the first linkage rod 422 is rotatably connected to the second end of the first connecting plate 43 by a pin, the other end of the first linkage rod 422 is rotatably connected to the first support plate 4212 by a pin, one end of the second linkage rod 423 is rotatably connected to the second end of the second connecting plate 44, and the other end of the second linkage rod 423 is rotatably connected to the second support plate 4213. The first connecting plate 43 and the second connecting plate 44 are both arc-shaped plates bent toward the driver 41; the first linkage rod 422 is in the form of a curved plate that is curved in the direction of the first scissor head 11, and the second linkage rod 423 is in the form of a curved plate that is curved in the direction of the second scissor head 21.
In order to realize the rotational connection between the power output end of the driver and the rotating shaft, in the present embodiment, the driver 41 is a driving cylinder. The power output end of the driving cylinder is connected with a mounting plate 45, the mounting plate 45 is provided with a mounting hole for the rotating shaft 3 to pass through, in the embodiment, as shown in fig. 1 and 3, the mounting plate 45 is in an inverted T shape, and the mounting plate 45 is connected with the mounting hole through the relative rotation of the rotating shaft 3 and is mounted at the intersection of the first shear blade 1 and the second shear blade 2.
In order to limit the first scissor head and the second scissor head to move continuously in opposite directions, a limit structure for limiting the handle 12 and the handle 22 of the first scissor blade 1 and the handle 22 of the second scissor blade 2 to move continuously in opposite directions is arranged between the handles. As shown in fig. 2 and 4, the limiting structure of the present embodiment includes a first limiting block 121 disposed on the handle 12 of the first scissor element 1, the handle 22 of the second scissor element 2 has a second limiting block 221 disposed opposite to the first limiting block 121, and when the first scissor head 11 and the second scissor head 21 are in the folded state, the first limiting block 121 and the second limiting block 221 abut against each other, as shown in fig. 4.
Claims (10)
1. A thread trimming mechanism comprises
A first scissor blade (1), a first scissor head (11) with a cutting edge;
the second shear blade (2) is mutually crossed with the first shear blade (1) and is hinged with the first shear blade (1) at the crossed position through a rotating shaft (3); the second shear blade (2) is provided with a second shear head (21) with a cutting edge arranged opposite to the cutting edge of the first shear head (11);
the method is characterized in that: also comprises
And the power output end of the driving mechanism (4) can be connected with the rotating shaft (3) at the intersection, and can drive the first scissor head (11) and the second scissor head (21) to move oppositely or back while driving the first scissor blade (1) and the second scissor blade (2) to integrally and synchronously move up and down.
2. The thread trimming mechanism of claim 1, wherein: the driving mechanism (4) comprises a driver (41), a connecting assembly (42), a first connecting plate (43) and a second connecting plate (44), one end of the connecting assembly (42) is relatively fixedly connected with the shell of the driver (41), the power output end of the driver (41) can be in driving connection with the rotating shaft (3), the first end of the first connecting plate (43) is rotatably connected with the knife handle (12) of the first shear blade (1), and the second end of the first connecting plate (43) is rotatably connected with the corresponding position of the connecting assembly (42); the first end of the second connecting plate (44) is rotatably connected with the handle (22) of the second shear blade (2), and the second end of the second connecting plate (44) is rotatably connected with the corresponding position of the connecting assembly (42).
3. The thread trimming mechanism of claim 2, wherein: the connecting assembly (42) comprises a connecting frame (421), a first linkage rod (422) and a second linkage rod (423), the connecting frame (421) is integrally Y-shaped, the connecting frame (421) comprises a fixing plate (4211) which is fixedly connected with the shell of the driver (41) relatively, and a first support plate (4212) and a second support plate (4213) which are connected with the fixing plate (4211), one end of the first linkage rod (422) is rotatably connected with the second end of the first connecting plate (43), the other end of the first linkage rod (422) is rotatably connected with the first support plate (4212), one end of the second linkage rod (423) is rotatably connected with the second end of the second connecting plate (44), and the other end of the second linkage rod (423) is rotatably connected with the second support plate (4213).
4. The thread trimming mechanism of claim 3, wherein: the first connecting plate (43) and the second connecting plate (44) are arc-shaped plates which are bent towards the driver (41).
5. The thread trimming mechanism of claim 2, wherein: the power take off end of driver (41) is connected with mounting panel (45), set up the mounting hole that supplies pivot (3) to pass on mounting panel (45), mounting panel (45) are connected and are installed through the relative rotation of pivot (3) and mounting hole the intersection of first scissors piece (1) and second scissors piece (2).
6. The thread trimming mechanism of claim 2, wherein: the driver (41) is a driving air cylinder.
7. The thread trimming mechanism according to any one of claims 1 to 6, wherein: a limiting structure for limiting the knife handle (12) and the handle (22) to continuously move oppositely is arranged between the knife handle (12) of the first shear blade (1) and the handle (22) of the second shear blade (2).
8. The thread trimming mechanism of claim 7, wherein: the limiting structure comprises a first limiting block (121) arranged on a knife handle (12) of the first scissor piece (1), a handle (22) of the second scissor piece (2) is provided with a second limiting block (221) opposite to the first limiting block (121), and the first limiting block (121) and the second limiting block (221) are abutted when the first scissor head (11) and the second scissor head (21) are in a furled state.
9. A sewing thread press having the thread trimming mechanism of any one of claims 1 to 8, wherein: the trimming device comprises a workbench (5), wherein a trimming mechanism is arranged below a table top (51) of the workbench (5), and a driving mechanism (4) of the trimming mechanism drives a first scissor head (11) and a second scissor head (21) to move oppositely while driving a first scissor piece (1) and a second scissor piece (2) to integrally and synchronously move upwards; the driving mechanism (4) drives the first scissor head (11) and the second scissor head (21) to move back to back while driving the first scissor blade (1) and the second scissor blade (2) to integrally and synchronously move downwards.
10. The sewing thread press of claim 9, wherein: an opening (511) through which the first scissor head (11) and the second scissor head (21) can simultaneously penetrate is formed in the table board (51) of the workbench (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038463.1U CN210368227U (en) | 2019-07-04 | 2019-07-04 | Thread trimming mechanism and sewing thread pressing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921038463.1U CN210368227U (en) | 2019-07-04 | 2019-07-04 | Thread trimming mechanism and sewing thread pressing machine with same |
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| Publication Number | Publication Date |
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| CN210368227U true CN210368227U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921038463.1U Active CN210368227U (en) | 2019-07-04 | 2019-07-04 | Thread trimming mechanism and sewing thread pressing machine with same |
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| Country | Link |
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| CN (1) | CN210368227U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210900A (en) * | 2020-10-22 | 2021-01-12 | 泉州誉财自动化设备有限责任公司 | Sewing equipment |
| CN112760849A (en) * | 2021-02-22 | 2021-05-07 | 浙江越隆缝制设备有限公司 | Thread cutting control method and system for embroidery machine |
-
2019
- 2019-07-04 CN CN201921038463.1U patent/CN210368227U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112210900A (en) * | 2020-10-22 | 2021-01-12 | 泉州誉财自动化设备有限责任公司 | Sewing equipment |
| CN112760849A (en) * | 2021-02-22 | 2021-05-07 | 浙江越隆缝制设备有限公司 | Thread cutting control method and system for embroidery machine |
| CN112760849B (en) * | 2021-02-22 | 2021-10-26 | 浙江越隆缝制设备有限公司 | Thread cutting control method and system for embroidery machine |
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