CN214005013U

CN214005013U - Fixing and detaching mechanism of double-thread sewing machine

Info

Publication number: CN214005013U
Application number: CN202021665215.2U
Authority: CN
Inventors: 李诗云
Original assignee: Jinjiang City Chaojun Machine Co ltd
Current assignee: Jinjiang Chaojun Machinery Co.,Ltd.
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-08-20
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a fixing and splitting mechanism of a double-thread sewing machine, which comprises a frame, a support seat is fixedly connected with the position of the edge side at the top end of the frame, a machine head is fixedly connected with the top end of the support seat, a fixed seat is fixedly connected with the bottom end of the machine head, an electric telescopic rod is slidably connected with the position of the middle part of the bottom end of the fixed seat, a transverse plate is fixedly connected with the bottom end of the electric telescopic rod, clamping grooves are symmetrically arranged at the two ends of the transverse plate, and a movable plate is slidably connected inside the clamping grooves, the utility model has scientific and reasonable structure and safe and convenient use, and is provided with the electric telescopic rod, the transverse plate, the clamping grooves, the movable plate, a limiting plate and a lock nut, through the cooperation of the movable plate and the clamping grooves, the presser foot and the needle seat are fixed at the bottom end of the transverse plate, and simultaneously, according to the width of cloth, the movable plate slides to enable the presser foot and the needle seat to slide along the clamping grooves and be matched through the lock nut and the limiting plate, the movable plate is fixed in the clamping groove, so that the presser foot and the needle seat are fixed.

Description

Fixing and detaching mechanism of double-thread sewing machine

Technical Field

The utility model relates to a note sewing technical field specifically is a double-thread sewing machine's fixed and split mechanism.

Background

In the traditional clothing industry, a sewing machine forms one or more stitches on a sewing material by one or more sewing threads, so that one or more layers of the sewing material are interwoven or sewn, the sewing machine can sew fabrics such as cotton, hemp, silk and the like, and products such as leather, paper and the like, the sewn stitches are firm, the sewing speed is high, and the use is simple and convenient;

however, the existing double-thread sewing machine cannot adjust the sewing position according to the cloth with different widths, so that the sewing efficiency is influenced, and meanwhile, the dismounting and the mounting of the presser foot are troublesome and influenced; therefore, it is necessary to provide a fixing and separating mechanism of a double-thread sewing machine to overcome the above-mentioned drawbacks of the prior art for avoiding the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixing and splitting mechanism of a double-thread sewing machine, which can effectively solve the problem that the sewing position cannot be adjusted according to the cloth with different widths, which is provided in the background technology, the sewing efficiency is influenced, and the dismounting and the mounting of a presser foot are both troublesome and influenced; the disassembly and maintenance efficiency is improved.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing and splitting mechanism of a double-thread sewing machine comprises a machine base, wherein a supporting seat is fixedly connected to the lateral position of the top end of the machine base, a machine head is fixedly connected to the top end of the supporting seat, a fixing seat is fixedly connected to the bottom end of the machine head, an electric telescopic rod is slidably connected to the middle position of the bottom end of the fixing seat, a transverse plate is fixedly connected to the bottom end of the electric telescopic rod, clamping grooves are symmetrically formed in two ends of the transverse plate, a movable plate is slidably connected to the inside of each clamping groove, a limiting plate is fixedly connected to the lateral position of the top end of the movable plate, and one end of the limiting plate is connected with a locking nut through threads;

a movable rod is movably connected at the position of the other side of the top end of the movable plate, a stop block is fixedly connected at the top end of the movable rod, a presser foot is fixedly connected at the bottom end of the movable rod, and a needle seat is fixedly connected at the position of the bottom end of the movable plate, which corresponds to the side of the presser foot;

the automatic wire drawing machine is characterized in that notches are symmetrically formed in positions of the middle portions of two ends of the machine head, a screw rod is connected to the inner portion of each notch in a rotating mode, a sliding block is connected to the position, corresponding to the inner portion of each notch, of the outer end of the screw rod through threads, one end of the sliding block is connected with an idler wheel in a rotating mode, the two ends of the machine head correspond to wire guide plates fixedly connected to the positions of two side edges of each notch, and a wire box is connected to the position, corresponding to the other side of the top of each notch, of the two ends of the machine head in a rotating mode.

Preferably, the clamping groove penetrates through one end of the transverse plate, and the width of the movable plate is equal to that of the clamping groove.

Preferably, the limiting plate is L-shaped, and one end of the locking nut penetrates through one end of the limiting plate.

Preferably, the outer diameter of the stop block is larger than that of the movable rod, and a first spring is fixedly connected to the bottom end of the movable plate corresponding to the outer side of the movable rod.

Preferably, the position of one end of the machine head corresponding to the screw rod is rotatably connected with a knob, and the screw rod penetrates through one end of the machine head and is fixedly connected with the knob.

Preferably, the symmetry fixedly connected with fixed plate, two of frame top avris position department the adjacent one end symmetry of fixed plate is seted up flutedly, two the equal fixedly connected with second spring in recess top, two the equal fixedly connected with in second spring bottom presses the fixed block, two the adjacent one end of fixed block all rotates and is connected with the compression roller.

Preferably, the outer end of the fixing block is in sliding connection with the inner wall of the groove, and the width of the fixing block is equal to that of the groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization:

1. be provided with electric telescopic handle, the diaphragm, the draw-in groove, the fly leaf, limiting plate and lock nut, through fly leaf and draw-in groove cooperation, presser foot and needle file are fixed in the diaphragm bottom, simultaneously according to the width of cloth, the fly leaf slides, make the fly leaf take presser foot and needle file to slide along the draw-in groove, and through lock nut and limiting plate cooperation, fix the fly leaf inside the draw-in groove, and then fixed presser foot and needle file, make the device can sew the cloth of different width, the adaptability of device has been improved, in addition through roll-out lock nut, with the fly leaf roll-off draw-in groove, drive presser foot and needle file roll-off, the efficiency of dismantling has been improved.

2. Be provided with notch, lead screw, slider, gyro wheel, wire guide plate and knob, through rotating the knob, make the knob take the lead screw to rotate to promote the slider, make the slider drive the gyro wheel and remove, adjusted the distance between gyro wheel and the wire guide plate, and then change the tension of weaving the line, avoid weaving the phenomenon that the line appears lax, guaranteed the effect of sewing.

3. Be provided with fixed plate, recess, second spring, fixed block and compression roller, promote the fixed block through the second spring, make the fixed block remove along the recess, drive the compression roller and descend along the recess to fix the cloth on the frame, avoid when the sewing, the phenomenon of skew appears in the cloth, improved the effect of sewing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the mounting structure of the fixing plate of the present invention;

FIG. 3 is a schematic view of the structure of the area A in FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the region B in fig. 2 according to the present invention.

Reference numbers in the figures: 1. a machine base; 2. a supporting seat; 3. a machine head; 4. a fixed seat; 5. an electric telescopic rod; 6. a transverse plate; 7. a card slot; 8. a movable plate; 9. a limiting plate; 10. locking the nut; 11. a movable rod; 12. a stopper; 13. a presser foot; 14. a needle seat; 15. a notch; 16. a screw rod; 17. a slider; 18. a roller; 19. a wire guide plate; 20. a wire box; 21. a fixing plate; 22. a groove; 23. a second spring; 24. a fixed block; 25. a compression roller; 26. a first spring; 27. a knob.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in FIGS. 1-4, the utility model provides a technical solution, a fixing and splitting mechanism of a double-thread sewing machine, comprising a frame 1, a support seat 2 is fixedly connected to the side position of the top end of the frame 1, a machine head 3 is fixedly connected to the top end of the support seat 2, a fixed seat 4 is fixedly connected to the bottom end of the machine head 3, an electric telescopic rod 5 is slidably connected to the middle position of the bottom end of the fixed seat 4, a transverse plate 6 is fixedly connected to the bottom end of the electric telescopic rod 5, slots 7 are symmetrically formed at the two ends of the transverse plate 6, a movable plate 8 is slidably connected inside the slots 7, the slots 7 penetrate through one end of the transverse plate 6 for facilitating the detachment of the movable plate 8, the width of the movable plate 8 is equal to the width of the slots 7, a limit plate 9 is fixedly connected to the side position of the top end of the movable plate 8, one end of the limit plate 9 is connected with a lock nut 10 through a screw thread, for facilitating the fixation of the movable plate 8, the limit plate 9 is in L-shaped arrangement, one end of the locking nut 10 penetrates through one end of the limiting plate 9;

a movable rod 11 is movably connected at the other side position of the top end of the movable plate 8, in order to prevent the movable rod 11 from sliding out of the movable plate 8, the outer diameter of the stop block 12 is larger than that of the movable rod 11, a first spring 26 is fixedly connected at the position, corresponding to the outer side of the movable rod 11, of the bottom end of the movable plate 8, the stop block 12 is fixedly connected at the top end of the movable rod 11, a presser foot 13 is fixedly connected at the bottom end of the movable rod 11, and a needle seat 14 is fixedly connected at the position, corresponding to the side of the presser foot 13, of the bottom end of the movable plate 8;

notch 15 has been seted up to 3 both ends middle part position departments of aircraft nose symmetry, notch 15 inside is rotated and is connected with lead screw 16, for the convenience

rotate lead screw

16, 3 one ends of aircraft nose correspond 16 positions of lead screw department and rotate and be connected with knob 27, and lead screw 16 runs through 3 one end of aircraft nose and knob 27 fixed connection, there is slider 17 corresponding 15 inside positions of notch department in the 16 outer ends of lead screw through threaded connection, slider 17 one end is rotated and is connected with gyro wheel 18, the equal fixedly connected with wire board 19 of 15 both sides limit position departments of corresponding notch in 3 both ends of aircraft nose, the corresponding 15 top opposite side positions department of notch in 3 both ends of aircraft nose rotates and is connected with line box 20.

In order to avoid the cloth skew to appear, 1 top avris position department symmetry fixedly connected with fixed plate 21 of frame, recess 22 has been seted up to the adjacent one end symmetry of two fixed plates 21, two equal fixedly connected with second springs 23 in 22 tops of recess, the equal fixedly connected with in 23 bottoms of two second springs presses fixed block 24, for the convenience fixed block 24 slides, 24 outer ends of fixed block are sliding connection in recess 22 inner wall, and the width of fixed block 24 equals the width of recess 22, the adjacent one end of two fixed blocks 24 all rotates and is connected with compression roller 25.

The utility model discloses a theory of operation and use flow: in the process of using the fixing and splitting mechanism of the double-thread sewing machine, firstly, the movable plate 8 is slid into the clamping groove 7, so that the presser foot 13 and the needle seat 14 slide out of the transverse plate 6 through the movable plate 8, meanwhile, the position of the movable plate 8 in the clamping groove 7 is adjusted according to the width of the cloth, the movable plate 8 is fixed in the clamping groove 7 through the matching of the locking nut 10 and the limiting plate 9, and the presser foot 13 and the needle seat 14 are further fixed, so that the device can sew the cloth with different widths, in addition, the movable plate 8 slides out of the clamping groove 7 through rotating out the locking nut 10, the presser foot 13 and the needle seat 14 are driven to slide out, and the dismounting efficiency is improved;

then, the knitting thread penetrates out of the thread box 20, respectively bypasses the thread guide plate 19 and the roller 18, is fixed on a knitting needle, pushes the transverse plate 6 through the electric telescopic rod 5, enables the transverse plate 6 to push the presser foot 13 to sew the cloth, simultaneously, enables the knob 27 to drive the screw rod 16 to rotate through rotating the knob 27, and the screw rod 16 pushes the sliding block 17 to slide along the notch 15, so that the sliding block 17 drives the roller 18 to move, the position of the roller 18 is adjusted, the tightness of the knitting thread is further adjusted, the knitting thread is prevented from loosening, and the sewing effect is improved;

finally, the fixing block 24 is pushed by the telescopic characteristic of the second spring 23, so that the fixing block 24 drives the press roller 25 to descend along the groove 22, the cloth is fixed, the cloth is prevented from deviating during sewing, and the sewing effect is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a double-thread sewing machine's fixed and split mechanism, includes frame (1), its characterized in that: the device comprises a base (1), a supporting seat (2) is fixedly connected to the position of the side of the top end of the base (1), a machine head (3) is fixedly connected to the top end of the supporting seat (2), a fixing seat (4) is fixedly connected to the bottom end of the machine head (3), an electric telescopic rod (5) is slidably connected to the position of the middle of the bottom end of the fixing seat (4), a transverse plate (6) is fixedly connected to the bottom end of the electric telescopic rod (5), clamping grooves (7) are symmetrically formed in two ends of the transverse plate (6), a movable plate (8) is slidably connected to the inside of each clamping groove (7), a limiting plate (9) is fixedly connected to the position of the side of the top end of the movable plate (8), and one end of the limiting plate (9) is connected with a locking nut (10) through threads;

a movable rod (11) is movably connected to the other side of the top end of the movable plate (8), a stop block (12) is fixedly connected to the top end of the movable rod (11), a presser foot (13) is fixedly connected to the bottom end of the movable rod (11), and a needle seat (14) is fixedly connected to the bottom end of the movable plate (8) corresponding to the side position of the presser foot (13);

notch (15) have been seted up to aircraft nose (3) both ends middle part position department symmetry, notch (15) inside rotation is connected with lead screw (16), there is slider (17) through threaded connection in notch (15) internal position department corresponding in lead screw (16) outer end, slider (17) one end is rotated and is connected with gyro wheel (18), equal fixedly connected with wire board (19) of notch (15) both sides limit position department is corresponded in aircraft nose (3) both ends, aircraft nose (3) both ends correspond notch (15) top opposite side position department and rotate and be connected with line box (20).

2. The fixing and detaching mechanism of a double-thread sewing machine according to claim 1, characterized in that: the clamping groove (7) penetrates through one end of the transverse plate (6), and the width of the movable plate (8) is equal to that of the clamping groove (7).

3. The fixing and detaching mechanism of a double-thread sewing machine according to claim 1, characterized in that: the limiting plate (9) is arranged in an L shape, and one end of the locking nut (10) penetrates through one end of the limiting plate (9).

4. The fixing and detaching mechanism of a double-thread sewing machine according to claim 1, characterized in that: the outer diameter of the stop block (12) is larger than that of the movable rod (11), and a first spring (26) is fixedly connected to the bottom end of the movable plate (8) corresponding to the outer side of the movable rod (11).

5. The fixing and detaching mechanism of a double-thread sewing machine according to claim 1, characterized in that: the position of one end of the machine head (3) corresponding to the screw rod (16) is rotatably connected with a knob (27), and the screw rod (16) penetrates through one end of the machine head (3) and is fixedly connected with the knob (27).

6. The fixing and detaching mechanism of a double-thread sewing machine according to claim 1, characterized in that: frame (1) top avris position department symmetry fixedly connected with fixed plate (21), two recess (22), two are seted up to the adjacent one end symmetry of fixed plate (21) recess (22) top equal fixedly connected with second spring (23), two the equal fixedly connected with in second spring (23) bottom presses fixed block (24), two the adjacent one end of fixed block (24) is all rotated and is connected with compression roller (25).

7. The fixing and detaching mechanism of a double-thread sewing machine according to claim 6, characterized in that: the outer end of the fixing block (24) is in sliding connection with the inner wall of the groove (22), and the width of the fixing block (24) is equal to that of the groove (22).