Automatic thread locking overlock needle plate

Abstract

The invention discloses an automatic thread locking overlock needle plate which comprises a plate body, two fixing holes are formed in one side of the plate body, a first turning groove and a second turning groove are formed in the middle of the plate body, and an air hole is formed in the other side of the plate body; and the hollow rod is embedded in the plate body, and the hollow rod is communicated with the air hole. Through the application of the automatic thread locking overlock needle plate, thread residues on a machine needle can be sucked into the hollow rod when an overlock machine works, then the thread residues are sewed in a fabric through the overlock machine, the thread residues are prevented from being left on the fabric, the structure is simple, the production efficiency can be improved, and the production cost can be reduced.

Description

Technical Field

[0001] The invention relates to the technical field of sewing processing, in particular to an automatic thread locking and pasting needle plate. Background Art

[0002] At present, using a sewing machine to process and sew fabrics has become a common technical means in the field of sewing. The sewing machine usually works in conjunction with a sewing needle plate. When using a sewing machine to sew fabrics, the sewing thread often remains on the fabric in the form of thread ends, affecting the appearance of the fabric. Under the existing technology, if you want to avoid thread ends remaining on the fabric, you can purchase a special sewing machine to achieve automatic thread locking, but this special sewing machine is relatively expensive, so it will also bring about the problem of increased production costs; you can also add an additional process of cutting thread ends, but this will also bring about the problem of reduced production efficiency. Summary of the invention

[0003] In view of this, in order to solve the above problems, the object of the present invention is to provide an automatic lock thread copy needle plate, characterized in that it includes:

[0004] A plate body, wherein two fixing holes are arranged on one side of the plate body, a first groove and a second groove are arranged in the middle of the plate body, and an air hole is arranged on the other side of the plate body;

[0005] A hollow rod is embedded in the plate body and communicated with the air hole.

[0006] In another preferred embodiment, the hollow rod includes: a first part and a second part, the first part is fixedly connected to the second part, one end of the first part is embedded in the plate body, the first part is communicated with the second part, and the interior of the first part is communicated with the air hole.

[0007] In another preferred embodiment, the plate body includes: a vehicle portion and a connecting ear, wherein the connecting ear is disposed at both ends of one side of the vehicle portion and connected to the vehicle portion, and the fixing hole is disposed in the middle of the connecting ear.

[0008] In another preferred embodiment, the first part is embedded in the other side of the vehicle portion, and the first vehicle groove and the second vehicle groove are both arranged in the middle of the vehicle portion.

[0009] In another preferred embodiment, the first groove is rectangular, the width of one end of the second groove along the first direction is greater than the width of the other end of the second groove along the first direction, and the first groove is closer to the connecting ear than the second groove.

[0010] In another preferred embodiment, the first part includes: a long part and a short part, one end of the long part is connected to the second part, the other end of the long part partially extends into the short part and is connected to the short part, the long part is embedded in the vehicle part, the long part extends along the second direction, and the interior of the short part is connected to the air hole.

[0011] In another preferred embodiment, the plate body further includes: an extension portion, the extension portion is arranged on the other side of the vehicle portion and connected to the vehicle portion, the air hole is arranged in the middle of the extension portion, and the short portion is embedded in the extension portion.

[0012] In another preferred embodiment, the plate body further includes: a third portion, which is disposed on one side of the extension portion and fixedly connected to the vehicle portion.

[0013] In another preferred embodiment, a first straight groove and a second straight groove are provided in the middle of the third portion, the first straight groove and the second straight groove are both provided in a rectangular shape, and the first straight groove is closer to the vehicle portion than the second straight groove.

[0014] In another preferred embodiment, the first direction is perpendicular to the second direction.

[0015] Due to the adoption of the above technical scheme, the present invention has the following positive effects compared with the prior art: through the application of the present invention, an automatic lock-thread overlock needle plate is provided, which can suck the thread ends on the needle into the hollow rod when the overlock machine is operating, and then sew the thread ends into the fabric through the overlock machine operation, so as to avoid the thread ends remaining on the fabric. Its structure is also relatively simple, which is conducive to improving production efficiency and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of an automatic thread-locking needle plate of the present invention;

[0017] Figure 2 The present invention is a schematic structural diagram of a hollow rod of an automatic thread-locking needle plate.

[0018] In the attached figure:

[0019] 1. Plate body; 2. Hollow rod; 3. Fixing hole; 4. Air hole; 5. First part; 6. Second part; 7. Connecting ear; 8. Turning part; 9. First turning groove; 10. Second turning groove; 11. Long part; 12. Short part; 13. Extending part; 14. Third part; 16. First straight groove; 17. Second straight groove. DETAILED DESCRIPTION

[0020] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] In the description of the present invention, it is necessary to understand that the orientation or position relationship indicated by the terms such as "upper", "lower", "left", "right", "inside", "outside", "front", "back", "lateral" and "vertical" is based on the orientation or position relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or original referred to must have a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0022] It should be specially explained that the “horizontal” and “vertical” in the present invention are used to illustrate the positional relationship, and are not strictly “horizontal plane” or “vertical plane”.

[0023] like Figure 1 and Figure 2 As shown, an automatic lockstitch needle plate of a preferred embodiment is shown, comprising:

[0024] The plate body 1 has two fixing holes 3 on one side thereof, a first sewing groove 9 and a second sewing groove 10 on the middle portion thereof, and an air hole 4 on the other side thereof. In this embodiment, the air hole 4 is provided to generate suction, so that the thread ends of the sewing machine on the overlock can be locked in the suture, making it easier to sew the thread ends into the fabric.

[0025] A hollow rod 2 is embedded in the plate body 1 and is connected to the air hole 4. One end of the hollow rod 2 is connected to the air hole 4, and the other end of the hollow rod 2 can be connected to the electromagnetic valve device on the external negative pressure structure to provide negative pressure inside the air hole 4.

[0026] Further, as a preferred embodiment, the hollow rod 2 includes: a first part 5 and a second part 6, the first part 5 is fixedly connected to the second part 6, one end of the first part 5 is embedded in the plate body 1, the first part 5 is connected to the second part 6, and the interior of the first part 5 is connected to the air hole 4.

[0027] Further, as a preferred embodiment, the first part 5 and the second part 6 are preferably an integrated structure.

[0028] Further, as a preferred embodiment, the plate body 1 includes: a car part 8 and a connecting ear 7, the connecting ear 7 is arranged at both ends of one side of the car part 8 and connected to the car part 8, and a fixing hole 3 is arranged in the middle of the connecting ear 7. Further, a bolt can be arranged in the fixing hole 3 to fix the plate body 1 on the workbench.

[0029] Further, as a preferred embodiment, the first part 5 is embedded in the other side of the wheel portion 8 , and the first wheel groove 9 and the second wheel groove 10 are both arranged in the middle of the wheel portion 8 .

[0030] Further, as a preferred embodiment, the first groove 9 is arranged in a rectangular shape, the width of one end of the second groove 10 along the first direction is greater than the width of the other end of the second groove 10 along the first direction, and the first groove 9 is closer to the connecting ear 7 relative to the second groove 10.

[0031] Further, as a preferred embodiment, the first part 5 includes: a long part 11 and a short part 12, one end of the long part 11 is connected to the second part 6, the other end of the long part 11 partially extends into the short part 12 and is connected to the short part 12, the long part 11 is embedded in the vehicle part 8, the long part 11 is extended along the second direction, and the interior of the short part 12 is connected to the air hole 4.

[0032] Further, as a preferred embodiment, the interior of the long portion 11 is communicated with the second portion 6 , and the interior of the short portion 12 is communicated with the interior of the long portion 11 .

[0033] Further, as a preferred embodiment, the long portion 11 and the short portion 12 are preferably an integrated structure.

[0034] Furthermore, as a preferred embodiment, the plate body 1 also includes: an extension portion 13, which is arranged on the other side of the vehicle portion 8 and connected to the vehicle portion 8, an air hole 4 is arranged in the middle of the extension portion 13, and the short portion 12 is embedded in the extension portion 13.

[0035] Furthermore, as a preferred embodiment, the plate body further includes: a third portion 14 , which is arranged in a rectangular plate shape, and the third portion 14 is arranged at one side of the extension portion 13 and fixedly connected to the vehicle portion 8 .

[0036] Further, as a preferred embodiment, the connecting ear 7, the vehicle portion 8, the extension portion 13 and the third portion 14 are preferably an integrated structure.

[0037] Further, as a preferred embodiment, a needle channel is provided on the other side of the sewing portion 8, and the needle channel is provided between the extension portion 13 and the third portion 14. Further, the sewing needle processes the fabric in the needle channel.

[0038] Furthermore, as a preferred embodiment, a first straight groove 16 and a second straight groove 17 are provided in the middle of the third portion 14 . The first straight groove 16 and the second straight groove 17 are both rectangular. The first straight groove 16 is closer to the vehicle portion 8 than the second straight groove 17 .

[0039] Further, as a preferred embodiment, the first direction and the second direction are arranged perpendicularly.

[0040] Furthermore, as a preferred embodiment, when the sewing machine cooperates with the sewing needle plate, one end of the second part 6 will be connected to the solenoid valve device. After the first sewing operation of the sewing machine is completed, a section of thread will remain on the needle. At this time, the solenoid valve device is used to suck the thread into the hollow rod 2, and then the second sewing operation is performed. The thread previously sucked into the hollow rod 2 will be wrapped and sewn into the fabric as the second sewing operation proceeds, thereby preventing the thread from remaining on the fabric.

[0041] The above description is only a preferred embodiment of the present invention, and does not limit the implementation mode and protection scope of the present invention. For those skilled in the art, it should be aware that all solutions obtained by equivalent substitutions and obvious changes made using the description and illustrations of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic lock thread copying needle plate, It is characterized in that include: A plate body, wherein two fixing holes are arranged on one side of the plate body, a first groove and a second groove are arranged in the middle of the plate body, and an air hole is arranged on the other side of the plate body; A hollow rod is embedded in the plate body and communicated with the air hole.

2. The automatic lockstitch needle plate according to claim 1, It is characterized in that The hollow rod includes: a first part and a second part, the first part is fixedly connected to the second part, one end of the first part is embedded in the plate body, the first part is communicated with the second part, and the interior of the first part is communicated with the air hole.

3. The automatic lockstitch needle plate according to claim 2, It is characterized in that The plate body comprises a vehicle portion and a connecting ear, wherein the connecting ear is arranged at two ends of one side of the vehicle portion and connected to the vehicle portion, and the fixing hole is arranged in the middle of the connecting ear.

4. The automatic lockstitch needle plate according to claim 3, It is characterized in that The first part is embedded in the other side of the vehicle part, and the first vehicle groove and the second vehicle groove are both arranged in the middle of the vehicle part.

5. The automatic lockstitch needle plate according to claim 4, It is characterized in that The first groove is rectangular, the width of one end of the second groove along the first direction is greater than the width of the other end of the second groove along the first direction, and the first groove is closer to the connecting ear than the second groove.

6. The automatic lockstitch needle plate according to claim 5, It is characterized in that The first part includes: a long part and a short part, one end of the long part is connected to the second part, the other end of the long part extends into the short part and is connected to the short part, the long part is embedded in the vehicle part, the long part extends along the second direction, and the interior of the short part is connected to the air hole.

7. The automatic lockstitch needle plate according to claim 6, It is characterized in that The plate body further includes an extension portion, which is disposed on the other side of the vehicle portion and connected to the vehicle portion, the air hole is disposed in the middle of the extension portion, and the short portion is embedded in the extension portion.

8. The automatic lockstitch needle plate according to claim 3, It is characterized in that The plate body also includes: The third part is arranged on one side of the extension part and is fixedly connected to the vehicle part.

9. The automatic lockstitch needle plate according to claim 2, It is characterized in that A first straight groove and a second straight groove are disposed in the middle of the third portion. The first straight groove and the second straight groove are both disposed in a rectangular shape. The first straight groove is closer to the vehicle portion than the second straight groove.

10. The automatic lockstitch needle plate according to claim 2, It is characterized in that The first direction is perpendicular to the second direction.

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