CN107700099B

CN107700099B - Auxiliary needle threading mechanism and sewing machine

Info

Publication number: CN107700099B
Application number: CN201711146541.5A
Authority: CN
Inventors: 陆全开; 张润明; 陈晓升; 李文乐; 吴荣康; 金峥
Original assignee: Guangdong Esquel Textiles Co Ltd; Guilin Esquel Textiles Co Ltd
Current assignee: Guangdong Esquel Textiles Co Ltd; Guilin Esquel Textiles Co Ltd
Priority date: 2017-11-17
Filing date: 2017-11-17
Publication date: 2023-05-02
Anticipated expiration: 2037-11-17
Also published as: CN107700099A

Abstract

The invention discloses an auxiliary needle threading mechanism and a sewing machine. The auxiliary needle threading mechanism comprises a base, a movable driving part, a connecting plate, an air suction pipe and an air suction part, wherein the base is used for being connected to a sewing machine head, the movable driving part is arranged on the base and connected to the connecting plate, the connecting plate is connected with the air suction pipe, the movable driving part can drive the connecting plate to move so as to drive the air suction pipe to move to the sewing needle of the sewing machine head or drive the connecting plate to drive the air suction pipe to reset, the air suction pipe is communicated with the air suction part, and the air suction part is used for being connected to the sewing machine head so as to suck air through the air suction pipe. The auxiliary needle threading mechanism saves time and force.

Description

Auxiliary needle threading mechanism and sewing machine

Technical Field

The invention relates to the textile field, in particular to an auxiliary needle threading mechanism and a sewing machine.

Background

When the sewing machine is used, the needle head is required to be threaded, the threading is performed manually at present, the operator is required to be skilled in eyesight and manipulation, the threading is difficult for the elderly operators, and in addition, the manual threading is time-consuming and labor-consuming.

Disclosure of Invention

Accordingly, it is necessary to provide an auxiliary needle threading mechanism and a sewing machine which can save labor and time.

The utility model provides an auxiliary needle threading mechanism, includes base, removal drive part, connecting plate, aspiration channel and part that induced drafts, the base is used for connecting on the sewing machine head, remove drive part establish on the base and connect in the connecting plate, be connected with on the connecting plate the aspiration channel, remove drive part can drive through the drive the connecting plate removes the aspiration channel and moves to the sewing needle department of sewing machine head, the aspiration channel with part intercommunication induced drafts, the part that induced drafts is used for connecting on the sewing machine head in order to be used for through the aspiration channel induced drafts.

In one embodiment, the air suction pipe comprises a movable driving part, and the movable driving part is connected with a connecting plate.

In one embodiment, the sewing machine further comprises a positioning piece, the positioning piece is connected to the connecting plate, a positioning groove is formed in the outer side wall of the positioning piece, an air suction hole is formed in the bottom surface of the positioning groove, the positioning piece is connected with the opening end of the air suction pipe and is communicated with the air suction pipe through the air suction hole, and when the moving driving part drives the rotating driving part and the connecting plate to move so as to drive the positioning piece to move to the sewing needle, the positioning groove can be embedded and matched with the sewing needle.

In one embodiment, the positioning groove penetrates through the side wall of the positioning piece to form a through groove.

In one embodiment, the device further comprises a buffer pad, wherein the buffer pad is arranged in the positioning groove.

In one embodiment, the cushion pad is a rubber pad.

In one embodiment, the connecting plate is bent, one end of the connecting plate is connected to the rotary driving part, and the other end of the connecting plate is connected to the air suction pipe.

In one embodiment, the device further comprises a suction seat, the suction seat is connected to the connecting plate, the suction pipe penetrates through the suction seat, and the positioning piece is connected to the suction seat.

In one embodiment, the air suction component comprises a vacuum generator, an air inlet pipe and an air outlet pipe, wherein the vacuum generator is used for being connected to the sewing machine head, the air inlet pipe and the air outlet pipe are both communicated with the vacuum generator, and the air inlet pipe is communicated with the air suction pipe.

The sewing machine comprises a workbench, a sewing machine head and the auxiliary needle threading mechanism;

the sewing machine head is arranged on the workbench, the base of the auxiliary needle threading mechanism is connected to the sewing machine head, and the air suction component of the auxiliary needle threading mechanism is connected to the sewing machine head.

Above-mentioned supplementary needle threading mechanism has set up base, remove drive unit, connecting plate, aspiration channel and part that induced drafts, the base is used for connecting on the sewing machine head, remove drive unit and remove the drive connection board and drive the aspiration channel and remove to the sewing needle department of sewing machine head, when the aspiration channel removes to sewing needle head department, the aspiration channel is relative with the pinhole of sewing needle head, aspiration channel and part intercommunication that induced drafts, the part that induced drafts can be with the sewing thread suction pinhole when the aspiration channel is inhaled, manual threading action has been avoided, automatic threading has been realized, the manpower is practiced thrift, save time.

Above-mentioned sewing machine through setting up supplementary needle threading mechanism, has realized automatic threading, has replaced the action of traditional manual threading, and the time and effort saving improves sewing efficiency, and the productivity improves.

Drawings

FIG. 1 is a schematic view of a sewing machine according to an embodiment;

fig. 2 is a schematic view of the sewing machine of fig. 1 in a reset state of the connecting plate.

Description of the reference numerals

10. A sewing machine; 100. a work table; 200. sewing machine head; 210. sewing a needle head; 300. an auxiliary needle threading mechanism; 310. a base; 320. a movement driving part; 330. a connecting plate; 340. an air suction pipe; 350. an air suction component; 351. a vacuum generator; 352. an air inlet pipe; 353. an air outlet pipe; 360. a positioning piece; 370. a suction seat; 380. and a rotation driving part.

Detailed Description

In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 and 2, the present embodiment relates to a sewing machine 10. The sewing machine 10 includes a table 100, a sewing head 200, and an auxiliary needle threading mechanism 300. The sewing machine head 200 is provided on the table 100.

Referring to fig. 1 and 2, the auxiliary needle threading mechanism 300 includes a base 310, a moving driving member 320, a connecting plate 330, an air suction pipe 340, and an air suction member 350.

Referring to fig. 1 and 2, a base 310 is attached to the sewing machine head 200. The moving driving part 320 is provided on the base 310 and connected to the connection plate 330. The connection plate 330 is connected with an air suction pipe 340. The movable driving part 320 can drive the air suction pipe 340 to move to the sewing needle of the sewing machine head 200 by driving the connecting plate 330 to move, or drive the connecting plate 330 to drive the air suction pipe 340 to reset. Preferably, in the present embodiment, the movement driving part 320 may be a driving motor or a robot.

Referring to fig. 1 and 2, the suction duct 340 communicates with a suction member 350. The suction unit 350 is adapted to be coupled to the sewing machine head 200 for suction through the suction duct 340.

Further, referring to fig. 1 and 2, in one embodiment, the auxiliary needle threading mechanism 300 further includes a rotary driving member 380, the rotary driving member 380 is connected to the moving driving member 320, the rotary driving member 380 is connected to the connecting plate 330, and the rotary driving member 380 can drive the connecting plate 330 to rotate to drive the air suction pipe 340 to rotate. Preferably, in the present embodiment, the rotation driving part 380 may be a driving motor or a robot.

Further, referring to fig. 1 and 2, in one embodiment, the auxiliary needle threading mechanism 300 further includes a positioning member 360. The positioning member 360 is coupled to the connection plate 330. The outer side wall of the positioning piece 360 is provided with a positioning groove, and the bottom surface of the positioning groove is provided with an air suction hole. The positioning piece 360 is connected with the opening end of the air suction pipe 340 and the positioning piece 360 is communicated with the air suction pipe 340 through the air suction hole. When the moving driving component 320 drives the rotating driving component 380 and the connecting plate 330 to move so as to drive the positioning piece 360 to move to the sewing needle of the sewing machine head 200, the positioning groove can be embedded and matched with the sewing needle head 210.

Still further, referring to FIG. 1, in one embodiment, a detent extends through a sidewall of the detent 360 to form a through slot.

Further, referring to fig. 1, in one embodiment, the auxiliary needle threading mechanism 300 further includes a cushion pad disposed in the positioning groove. The arrangement of the buffer pad is beneficial to buffering impact force when the positioning piece 360 moves towards and contacts the sewing needle 210, so as to avoid impacting the sewing needle 210.

Further, in one embodiment, the cushion pad is a rubber pad.

In one embodiment, referring to fig. 1, the connection plate 330 is bent, one end of the connection plate 330 is connected to the rotation driving part 380, and the other end is connected to the suction duct 340. Preferably, in the present embodiment, the connection plate 330 is bent in an L shape. When the connection plate 330 moves to be at the position of the sewing needle 210, one arm of the bending of the connection plate 330 is parallel to the surface of the worktable 100, and the other arm is perpendicular to the surface of the worktable 100.

In one embodiment, referring to fig. 1, the auxiliary needle threading mechanism 300 further includes a suction seat 370. The suction seat 370 is connected to the connection plate 330, the suction duct 340 penetrates through the suction seat 370, and the positioning member 360 is connected to the suction seat 370.

In one embodiment, referring to fig. 1, the suction part 350 includes a vacuum generator 351, an air inlet duct 352, and an air outlet duct 353. The vacuum generator 351 is connected to the sewing machine head 200, and the air inlet pipe 352 and the air outlet pipe 353 are both connected to the vacuum generator, and the air inlet pipe 352 is connected to the air suction pipe 340.

Above-mentioned auxiliary needle threading mechanism 300 has set up base 310, remove drive unit 320, connecting plate 330, aspiration channel 340 and component 350 that induced drafts, base 310 is used for connecting on sewing aircraft nose 200, remove drive unit 320 can drive connecting plate 330 and remove and drive aspiration channel 340 and remove to the sewing needle department of sewing aircraft nose 200, when aspiration channel 340 removes sewing needle head 210 department, aspiration channel 340 is relative with the pinhole of sewing needle head 210, aspiration channel 340 communicates with component 350 that induced drafts, component 350 can inhale the sewing thread into the pinhole when induced drafts through aspiration channel 340, manual threading action has been avoided, automatic threading has been realized, the manpower is saved, save time.

The above-mentioned sewing machine 10, through setting up supplementary needle threading mechanism 300, realized automatic threading, replaced the action of traditional manual threading, the time saving festival power, sewing efficiency improves, and the productivity improves.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The auxiliary needle threading mechanism is characterized by comprising a base, a movable driving part, a connecting plate, an air suction pipe, an air suction part, a rotary driving part and a positioning part, wherein the base is used for being connected to a sewing machine head, the movable driving part is arranged on the base and connected to the connecting plate, the connecting plate is connected with the air suction pipe, the movable driving part can drive the air suction pipe to move to the sewing needle of the sewing machine head by driving the connecting plate to move, the air suction pipe is communicated with the air suction part, and the air suction part is used for being connected to the sewing machine head so as to suck air through the air suction pipe;

the rotary driving part is connected to the movable driving part, the rotary driving part is connected with the connecting plate, and the rotary driving part can drive the connecting plate to rotate so as to drive the air suction pipe to rotate;

the locating piece is connected on the connecting plate, the lateral wall of locating piece has the constant head tank, the tank bottom face of constant head tank has the induced draft hole, the locating piece with the open end of aspiration channel is connected just the locating piece passes through the induced draft hole with the aspiration channel intercommunication, works as remove the drive part drive rotary drive part with the connecting plate removes in order to drive the locating piece removes to car seam needle department, the constant head tank can inlay with car seam needle head and establish the cooperation.

2. The supplemental piercing mechanism of claim 1, wherein the locating slot extends through a sidewall of the locating piece to form a through slot.

3. The supplemental puncture mechanism according to claim 1, further comprising a cushion pad disposed within the positioning slot.

4. The auxiliary needle threading mechanism of claim 3 wherein the cushion pad is a rubber pad.

5. The auxiliary needle threading mechanism according to any one of claims 1 to 4, wherein the connecting plate is bent, one end of the connecting plate is connected to the rotary driving member, and the other end is connected to the suction duct.

6. The auxiliary needle threading mechanism of claim 5 further comprising a suction seat connected to the connection plate, the suction tube extending through the suction seat, the positioning member being connected to the suction seat.

7. The auxiliary needle threading mechanism according to any one of claims 1 to 3, wherein the air suction component comprises a vacuum generator, an air inlet pipe and an air outlet pipe, the vacuum generator is used for being connected to the sewing machine head, the air inlet pipe and the air outlet pipe are both communicated with the vacuum generator, and the air inlet pipe is communicated with the air suction pipe.

8. A sewing machine comprising a workbench and a sewing machine head, characterized in that the sewing machine further comprises an auxiliary needle threading mechanism according to any one of claims 1-7;