CN213142407U

CN213142407U - Height-adjustable sewing machine

Info

Publication number: CN213142407U
Application number: CN202021770980.0U
Authority: CN
Inventors: 董威; 商梦风; 马海云; 闫玲玲
Original assignee: Weihai Shunsheng Knitting Garment Co Ltd
Current assignee: Weihai Shunsheng Knitting Garment Co Ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-05-07
Anticipated expiration: 2030-08-20

Abstract

The utility model relates to a height-adjustable's sewing machine belongs to sewing machine's field, including the workstation with locate the aircraft nose on the workstation, the aircraft nose includes the sewing needle, has seted up the cavity in the workstation, the vertical spout of seting up the intercommunication cavity of workstation, sliding connection has the elevating platform that is located under the sewing needle in the spout, the cavity internal level has set firmly servo motor, servo motor's output shaft has set firmly the gear, the elevating platform is vertical to be set firmly with gear engagement's rack. This application has the effect that does not influence the design quality of making up back product.

Description

Height-adjustable sewing machine

Technical Field

The application relates to the field of sewing machines, in particular to a height-adjustable sewing machine.

Background

The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient.

A chinese publication No. CN205443636U discloses a sewing machine, which comprises a sewing table and a sewing needle disposed on the sewing table, wherein the sewing needle can reciprocate in a height direction to perform a sewing operation. The sewing machine further comprises a barrier plate located on one side of the sewing needle and a support device connecting the barrier plate and the sewing table. The barrier plate is arranged on the sewing table through a supporting device and can move along the radial direction of the table surface of the sewing table, and a gap for passing through a fabric to be sewn is reserved between the barrier plate and the sewing table. The sewing machine can prevent fingers from being hurt by a sewing needle when cloth is manually tensioned.

The above prior art solutions have the following drawbacks: the sewing machine sews some harder leathers that the shape is fixed and cloth in-process together, because there is the space on leather and the sewing bench, often need press down the leather in-process and make leather and sewing bench contact just can make up, can cause the influence to the shape of leather, influences the design quality of making up the back product.

SUMMERY OF THE UTILITY MODEL

In order not to influence the design quality of making up back product, this application provides a height-adjustable's sewing machine.

The application provides a height-adjustable's sewing machine adopts following technical scheme:

the utility model provides a height-adjustable's sewing machine, includes the workstation and locates the aircraft nose on the workstation, the aircraft nose includes the sewing needle, the cavity has been seted up in the workstation, the vertical spout of seting up the intercommunication cavity of workstation, sliding connection has the elevating platform that is located under the sewing needle in the spout, the cavity internal level has set firmly servo motor, servo motor's output shaft has set firmly the gear, the elevating platform is vertical to be set firmly with gear engagement's rack.

Through adopting above-mentioned technical scheme, the user makes up the leather that the shape is fixed and the cloth when being in the same place, start servo motor, thereby servo motor rotates and drives gear revolve, the gear drives the rack motion, the rack drives the elevating platform from the cavity along the spout in the up-and-down motion, the top surface that makes the elevating platform is kept away from or is close to the workstation, thereby the convenience is placed the elevating platform with the leather that the shape is fixed on, make the leather keep away from the workstation, thereby make things convenient for the leather to make up together with the cloth.

Preferably, the elevating platform includes lift portion and locates the supporting part that lift portion top is used for coveing the spout, lift portion sliding connection is in the spout, the rack sets firmly on the lateral wall of lift portion, the pinhole that is located directly over the sewing needle is offered to the upper surface of supporting part is vertical.

Through adopting above-mentioned technical scheme, the supporting part can cover the spout, prevents that the instrument on the workstation from falling into the cavity from the spout, and the pinhole can make the sewing needle insert simultaneously, prevents that the sewing needle from making the in-process, and the needle point collides with the supporting part and damages, prolongs the life of sewing needle.

Preferably, a plurality of flexible grooves have been seted up to the lateral wall of supporting part, sliding connection has the telescopic link in the flexible groove, the one end that the supporting part was kept away from to the telescopic link has set firmly the expansion board, the expansion board is fan-shaped, when the tip of telescopic link and flexible tank bottom butt, the lateral wall butt of expansion board and supporting part.

Through adopting above-mentioned technical scheme, when sewing up great leather, the operating personnel pulling expansion plate makes the telescopic link follow flexible groove roll-off to enlarge the support area to the leather, make the in-process of sewing more convenient.

Preferably, a plurality of anti-skidding blocks located on the periphery of the pinhole are fixedly arranged on the upper surface of the supporting part.

Through adopting above-mentioned technical scheme, the non slipping spur can increase frictional force to make leather, cloth more stable at the in-process of making up, be difficult to skid, guarantee the effect of making up.

Preferably, the telescopic link includes first telescopic joint and second telescopic joint, first telescopic joint sliding connection is in the expansion tank, the contraction tank of directional supporting part is seted up to the one end that first telescopic joint is close to the expansion board, second telescopic joint sliding connection is in the contraction tank, the one end and the expansion board fixed connection of first telescopic joint are kept away from to the second telescopic joint.

Through adopting above-mentioned technical scheme, when the operator pulled the expansion board, first telescopic joint followed flexible groove roll-off, and the pulling once more makes the second telescopic joint pull out from the shrink groove simultaneously, further improves the support area to leather, cloth.

Preferably, the lateral wall of second telescopic joint has seted up the spring groove, sliding connection has the stopper in the spring groove, spacing spring has set firmly between stopper and the spring groove, the one end of spacing spring and the bottom fixed connection in spring groove, the bottom surface fixed connection of the other end and stopper, a plurality of spacing holes have been seted up to the lateral wall of first telescopic joint, when spacing spring was in natural state, the stopper was located spacing hole.

Through adopting above-mentioned technical scheme, the flexible festival of the tensile second of operating personnel, under the effect of spacing spring, insert the stopper and establish spacing hole, thereby when needing to adjust the flexible length of second telescopic joint, press down the stopper and extrude spacing spring, make the stopper break away from spacing hole to the second telescopic joint is pulled, the extension or shortens the second telescopic joint, and then adjusts the support area, can improve the stability of connecting.

Preferably, the end, far away from the spout, of the workbench is vertically provided with a lifting groove, the lifting groove is communicated with the cavity, a cylinder is vertically and fixedly arranged in the cavity, an output shaft of the cylinder penetrates through the lifting groove and is fixedly connected with the bottom surface of the machine head, and the machine head is abutted to the upper surface of the workbench when the output shaft of the cylinder contracts.

Through adopting above-mentioned technical scheme, after the operation personnel adjusted the elevating platform, start the cylinder, the output shaft of cylinder reciprocates in the lift groove, and then drives the aircraft nose and reciprocates, and then adjusts the distance between sewing needle and the elevating platform, makes things convenient for getting of leather and cloth to put and make up.

Preferably, the bottom surface of workstation rotates and is connected with the universal wheel, the universal wheel is equipped with the brake block.

Through adopting above-mentioned technical scheme, the universal wheel can conveniently remove the workstation, improves the mobility, removes simultaneously behind the fixed position, and the operator uses the brake block to lock the universal wheel, prevents that the workstation from removing, improves stability.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the lifting platform, the worm wheel, the worm and the rack, the worm drives the worm wheel to rotate, further the worm wheel drives the rack to move, the rack drives the lifting platform to move up and down along the sliding groove from the cavity, so that the top surface of the lifting platform is far away from or close to the workbench, and therefore leather with a fixed shape is conveniently placed on the lifting platform and is far away from the workbench, and the leather and cloth can be conveniently sewn together;

2. through the arrangement of the telescopic rod, the telescopic groove and the expansion plate, when a large leather is sewn, an operator pulls the expansion plate to enable the telescopic rod to slide out of the telescopic groove, so that the supporting area of the leather is enlarged, and the sewing process is more convenient;

3. through the setting in stopper and spacing hole, stopper and spacing hole mutually support, can conveniently adjust the flexible length of second telescopic joint, carry on spacingly to the second telescopic joint simultaneously, guarantee the stability of connecting.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic sectional view of the embodiment;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is an exploded structure diagram of the supporting part in the embodiment.

Description of reference numerals: 1. a work table; 11. a cavity; 12. supporting legs; 2. a machine head; 21. a sewing needle; 3. a lifting platform; 31. a lifting part; 32. a support portion; 321. a pinhole; 322. anti-skid blocks; 323. a telescopic groove; 4. a servo motor; 41. a gear; 42. a rack; 5. a telescopic rod; 51. a first expansion joint; 511. a contraction groove; 512. a limiting hole; 52. a second expansion joint; 521. a spring slot; 6. an expansion plate; 7. a limiting block; 71. a limiting spring; 8. a cylinder; 9. a universal wheel; 91. a brake pad.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses height-adjustable's sewing machine. Referring to fig. 1, the height-adjustable sewing machine includes a table 1 and a head 2, the head 2 being provided on the table 1, the head 2 including a sewing needle 21. In the sewing process, leather and cloth are placed on the workbench 1, and the sewing needle 21 threads the leather and the cloth, so that the leather and the cloth are sewn. Simultaneously the bottom surface of workstation 1 is vertical to be set firmly supporting leg 12, and supporting leg 12 bottom is rotated and is connected with universal wheel 9, can conveniently remove workstation 1 to different positions, closes brake block 91 simultaneously to with the locking of universal wheel 9, prevent to take place to remove in the use.

Referring to fig. 2 and 3, a cavity 11 is formed in the workbench 1, a sliding groove is vertically formed in the workbench 1, and the sliding groove is communicated with the cavity 11. The sliding groove is connected with a lifting platform 3 in a sliding way, and the lifting platform 3 is positioned right below the sewing needle 21. When sewing the leather and the cloth of fixed shape, the operating personnel risees elevating platform 3, makes the leather and the distance of cloth and workstation 1 increase, reduces the influence of workstation 1 to the leather, conveniently makes up.

Referring to fig. 2 and 3, the lifting table 3 includes a lifting unit 31 and a support unit 32, and the support unit 32 is located above the lifting unit 31 and is fixedly connected to the lifting unit 31. The support portion 32 is used to cover the upper opening of the chute and prevent tools on the table 1 from falling from the chute into the cavity 11.

Referring to fig. 3, the elevating unit 31 is slidably coupled in the chute. A servo motor 4 is horizontally and fixedly arranged in the cavity 11, and a gear 41 is fixedly arranged on an output shaft of the servo motor 4. The side wall of the lifting part 31 is vertically and fixedly provided with a rack 42, and the rack 42 is meshed with the gear 41. In the operator use, start servo motor 4, servo motor 4 rotates and drives gear 41 and rotate, and then gear 41 drives rack 42 and removes, and rack 42 removes and drives lift portion 31 and slide in the spout to adjust the distance of the top surface of lift portion 31 and workstation 1 upper surface.

Referring to fig. 3 and 4, a needle hole 321 is vertically opened on an upper surface of the support portion 32, and the needle hole 321 is positioned right below the sewing needle 21. The sewing needle 21 can be inserted into the needle hole 321 during sewing of the sewing needle 21, so that the sewing needle 21 can be prevented from being damaged by direct contact with the upper surface of the support portion 32, and the service life of the sewing needle 21 can be prolonged. Meanwhile, a plurality of anti-slip blocks 322 are fixedly arranged on the upper surface of the supporting portion 32, and the anti-slip blocks 322 are arranged on the periphery of the pinhole 321. Can prevent to make the in-process, cloth and leather slide at will, improve the stability of making up.

Referring to fig. 2 and 3, a lifting groove is vertically formed at one end of the workbench 1 far away from the sliding groove, and the lifting groove is communicated with the cavity 11. The cylinder 8 is vertically and fixedly arranged in the cavity 11, and an output shaft of the cylinder 8 penetrates through the lifting groove to be fixedly connected with the bottom surface of the machine head 2. When the output shaft of the cylinder 8 contracts, the lower surface of the head 2 abuts against the upper surface of the table 1. In the sewing process of leather and cloth, the cylinder 8 is started, and the output shaft of the cylinder 8 extends out, so that the machine head 2 is far away from the workbench 1, the sewing needle 21 is far away from the supporting part 32, the distance between the sewing needle 21 and the supporting part 32 is adjusted, and the application range is improved.

Referring to fig. 4, the side wall of the supporting portion 32 is formed with a plurality of telescopic grooves 323. The telescopic rod 5 is slidably connected in the telescopic groove 323, an expansion plate 6 is fixedly arranged at one end of the telescopic rod 5, which is far away from the supporting part 32, and the expansion plate 6 is arranged in a fan shape. The expansion plate 6 includes a small arc surface close to the support portion 32 and a large arc surface far from the support portion 32, and when the end of the expansion link 5 abuts against the bottom end of the expansion slot 323, the small arc surface abuts against the side wall of the support portion 32. When the area of the sewn leather is large, an operator pulls the expansion plate 6 to enable the expansion rod 5 to slide out of the telescopic groove 323, so that the supporting area of the supporting part 32 is increased, the stress area of the leather is increased, and the sewing stability is improved.

Referring to fig. 4, the telescopic rod 5 includes a first telescopic joint 51 and a second telescopic joint 52. The first telescopic joint 51 is slidably coupled to the telescopic groove 323, a contraction groove 511 is formed at one end of the first telescopic machine close to the expansion plate 6, and the contraction groove 511 is formed in a direction toward the support portion 32. The second telescopic joint 52 is slidably connected in the contraction groove 511, and one end of the second telescopic joint 52 far away from the first telescopic joint 51 is fixedly connected with the expansion plate 6. In the process of pulling out the expanding plate 6, the first expansion joint 51 and the second expansion joint 52 are pulled out from the expansion groove 323, and then the second expansion joint 52 is pulled out from the contraction groove 511, so that the supporting area is further increased, the stress area of the leather is further increased, and the sewing stability is further improved.

Referring to fig. 4, a spring slot 521 is formed in a side wall of the second telescopic joint 52, and a limit block 7 is slidably connected in the spring slot 521. The side wall of the first telescopic joint 51 is horizontally provided with a plurality of limit holes 512 which are uniformly distributed. The limiting block 7 is clamped in the limiting hole 512, so that the telescopic length of the first telescopic joint 51 is limited, and the connection stability is improved.

Referring to fig. 4, a limiting spring 71 is fixedly disposed between the limiting block 7 and the spring groove 521. One end of the limiting spring 71 is fixedly connected with the bottom end of the spring groove 521, and the other end is fixedly connected with the bottom surface of the limiting block 7. When the limiting spring 71 is in a natural state, the limiting block 7 is located in the limiting hole 512. When the operator stretches the second telescopic joint 52, the operator presses the limiting block 7, and the limiting block 7 compresses the limiting spring 71, so that the limiting block 7 is separated from the limiting hole 512, and the second telescopic joint 52 is pulled. When the second telescopic joint 52 is pulled to a required length, the limiting spring 71 is restored to the original state, so that the limiting block 7 is jacked upwards to enter different limiting holes 512, and the second telescopic joint 52 is limited.

The implementation principle of the sewing machine with adjustable height is as follows: the operator places leather and cloth on elevating platform 3, then starts servo motor 4, and servo motor 4 rotates and drives worm 41 and rotate, and worm 41 drives worm wheel 42 and rotates, and then drives rack 42 and remove to adjust elevating platform 3's height, thereby make up leather and cloth conveniently.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a height-adjustable's sewing machine, includes workstation (1) and locates aircraft nose (2) on workstation (1), aircraft nose (2) include sewing needle (21), its characterized in that: seted up cavity (11) in workstation (1), the vertical spout of seting up intercommunication cavity (11) in workstation (1), sliding connection has elevating platform (3) that is located under sewing needle (21) in the spout, cavity (11) inner level has set firmly servo motor (4), the output shaft of servo motor (4) has set firmly gear (41), elevating platform (3) are vertical to be set firmly rack (42) with gear (41) meshing.

2. A height adjustable sewing machine according to claim 1, wherein: elevating platform (3) are used for hiding supporting part (32) of spout including lifting part (31) and locating lifting part (31) top, lifting part (31) sliding connection is in the spout, rack (42) set firmly on the lateral wall of lifting part (31), pinhole (321) directly over being located sewing needle (21) are offered to the upper surface vertical of supporting part (32).

3. A height adjustable sewing machine according to claim 2, wherein: a plurality of flexible grooves (323) have been seted up to the lateral wall of supporting part (32), sliding connection has telescopic link (5) in flexible groove (323), the one end that supporting part (32) were kept away from in telescopic link (5) has set firmly expansion plate (6), expansion plate (6) are fan-shaped, during the tip of telescopic link (5) and flexible groove (323) bottom butt, the lateral wall butt of expansion plate (6) and supporting part (32).

4. A height adjustable sewing machine according to claim 2, wherein: the upper surface of the supporting part (32) is fixedly provided with a plurality of anti-skidding blocks (322) which are positioned at the periphery of the pinhole (321).

5. A height adjustable sewing machine according to claim 3, wherein: telescopic link (5) include first telescopic joint (51) and second telescopic joint (52), first telescopic joint (51) sliding connection is in flexible groove (323), shrink groove (511) of directional supporting part (32) are seted up to one end that first telescopic joint (51) are close to expansion board (6), second telescopic joint (52) sliding connection is in shrink groove (511), the one end and expansion board (6) fixed connection of first telescopic joint (51) are kept away from in second telescopic joint (52).

6. A height adjustable sewing machine as claimed in claim 5, wherein: spring groove (521) have been seted up to the lateral wall of second expansion joint (52), sliding connection has stopper (7) in spring groove (521), stopper (7) and spring groove (521) have set firmly spacing spring (71), the one end of spacing spring (71) and the bottom fixed connection of spring groove (521), the other end and the bottom surface fixed connection of stopper (7), a plurality of spacing holes (512) have been seted up to the lateral wall of first expansion joint (51), when spacing spring (71) are in natural state, stopper (7) are located spacing hole (512).

7. A height adjustable sewing machine according to claim 1, wherein: the utility model discloses a pneumatic conveying machine, including workstation (1), lift groove intercommunication cavity (11), cylinder (8) have vertically set firmly in cavity (11), the output shaft of cylinder (8) passes the bottom surface fixed connection of lift groove and aircraft nose (2), during the output shaft shrink of cylinder (8), aircraft nose (2) and workstation (1) upper surface butt.

8. A height adjustable sewing machine according to claim 1, wherein: the bottom surface of workstation (1) rotates and is connected with universal wheel (9), universal wheel (9) are equipped with brake block (91).