CN211570988U

CN211570988U - Sewing machine convenient to carry out hem

Info

Publication number: CN211570988U
Application number: CN201922398867.8U
Authority: CN
Inventors: 牛兆明; 葛梅欣; 周艮川; 刘镇
Original assignee: Qingdao Zhaoming Knitting Co ltd
Current assignee: Qingdao Zhaoming Knitting Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-25
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to a sewing machine convenient for flanging, which comprises a workbench, a sewing machine body arranged on the workbench and a sewing needle arranged on the sewing machine body, wherein the workbench is provided with a flanging mechanism and a leveling mechanism, and the leveling mechanism comprises a connecting frame arranged at the bottom of the workbench, and an upper compression roller and a lower compression roller which are rotatably arranged on the connecting frame; the edge folding mechanism comprises a bottom plate arranged on the workbench, one end of the bottom plate is bent and formed with a connecting plate, and the end part of the connecting plate is provided with an edge folding plate; the bottom plate is movably connected with the workbench and fixed through a first fastener; the bottom plate is provided with a connecting strip, the connecting strip is movably connected with a movable plate, and the movable plate slides along the horizontal direction and is fixed on the connecting strip through a second fastening piece; an interval is reserved between the hemming seam and the sewing needle, a movable frame is movably mounted on the movable plate, and a pressing plate is arranged on the movable frame. The utility model discloses have the effect of being convenient for carry out the cloth hem operation.

Description

Sewing machine convenient to carry out hem

Technical Field

The utility model belongs to the technical field of the technique of weaving processing equipment and specifically relates to a sewing machine convenient to carry out hem is related to.

Background

Sewing machines are currently machines which use one or more sewing threads to form one or more stitches in a fabric, to interlace or stitch together one or more layers of the fabric. When the hem sewing is performed, the cloth strip is usually folded into a section of hem, then the folded hem is sewn on the upper surface through the sewing machine, the cloth strip is folded into a section of hem after sewing, the folded hem is sewn on the upper surface continuously through the sewing machine, and the process is repeated.

In the prior art, for example, a sewing machine provided by patent application publication No. CN203569326U includes a rear housing wall and an upper housing wall, a machine shell is fixedly connected to a base through the rear housing wall, a front partition of the rear housing wall extends into a transmission cavity and is fixedly connected to an inner wall of the upper housing wall, so that the rear housing cavity forms a partition board of a closed cavity, an upper shaft in the sewing machine penetrates through the partition board and extends into the transmission cavity for transmission connection, a partition board forming a rectangular cavity circumferential wall with the base circumferential wall is fixedly arranged in a base inner bottom groove at the position of the front partition of the rear housing wall, the rear housing cavity is communicated with the rectangular cavity, a lower shaft, a feeding shaft and a forking shaft in the base inner bottom groove respectively penetrate through the partition board and extend to the front of the base for transmission connection, and a bottom plate with an oil drainage structure is. Has the characteristic of low noise.

The above prior art solutions have the following drawbacks: when the hemming operation is performed, an operator needs to manually hem, then sewing is started, and after a section of sewing is performed, the hem is folded and then the sewing is performed. This kind of mode needs the manual regulation of operator, and not only wastes time and energy, but also can make the line that draws out uneven, influences the pleasing to the eye of strake, leads to the quality of product to descend. There is a need for a sewing machine that assists in performing the hemming operation, improving the efficiency and accuracy of the hemming process.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a sewing machine convenient to carry out the hem for promote the efficiency of hem processing just with the degree of accuracy.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a sewing machine convenient for edge folding comprises a workbench, a sewing machine body arranged on the workbench and a sewing needle arranged on the sewing machine body, wherein an edge folding mechanism and a leveling mechanism are arranged on the workbench, and the leveling mechanism comprises a connecting frame arranged at the bottom of the workbench, and an upper press roller and a lower press roller which are rotatably arranged on the connecting frame; the edge folding mechanism comprises a bottom plate arranged on the workbench, one end of the bottom plate is bent and formed with a connecting plate, and the end part of the connecting plate is provided with an edge folding plate; the bottom plate is movably connected with the workbench and fixed through a first fastener; the bottom plate is provided with a connecting strip, the connecting strip is movably connected with a movable plate, and the movable plate slides along the horizontal direction and is fixed on the connecting strip through a second fastening piece; the end part of the movable plate is close to the hemming plate and forms a hemming seam with the hemming plate; an interval is reserved between the hemming seam and the sewing needle, a movable frame is movably mounted on the movable plate, a pressing plate is arranged on the movable frame, and the pressing plate is movably connected with the movable frame and slides along the vertical direction.

By adopting the technical scheme, the leveling mechanism is used, and the upper pressing roller and the lower pressing roller act on the cloth before sewing, so that the cloth can be leveled firstly, and the subsequent sewing process is facilitated; when the hem sewing is carried out, cloth is fed between the bottom plate and the connecting plate, one side needing to be hemmed penetrates through the hem seam and is folded for one time, the distance between the hem seam and the sewing needle along the length direction of the workbench is the hem width, the end part of the hem part is aligned with the end part of the bottom cloth, the hem sewing can be realized by pulling the cloth while the sewing is carried out, and the hem processing is more convenient; the bottom plate can slide along the workbench, so that the folding edge width is adjusted; the movable plate can horizontally slide, the changed width of the hem seam can be suitable for the cloth with different thicknesses, and the hem sewing applicability is improved.

The present invention may be further configured in a preferred embodiment as: the two sides of the bottom plate are provided with a first hole, the first fastening piece comprises a first fastening screw, and the first fastening screw penetrates through the first hole and is matched with the thread of the workbench; the second fastening piece comprises a second fastening screw, a first hole is formed in the movable plate, and the second fastening screw penetrates through the first hole and is in threaded fit with the connecting strip.

By adopting the technical scheme, the first fastening screw and the second fastening screw are respectively used as the first fastening piece and the second fastening piece, the first fastening screw and the second fastening screw are unscrewed to slide the bottom plate and the movable plate during working, and the two fastening screws are screwed to fix the positions of the bottom plate and the movable plate.

The present invention may be further configured in a preferred embodiment as: the movable frame comprises an upright post and a top plate at the top of the upright post, a movable rod is movably mounted on the top plate and slides along the vertical direction, the pressing plate is fixedly arranged at the bottom of the movable rod, a positioning spring is sleeved outside the movable rod, and two ends of the positioning spring are respectively connected with the top of the pressing plate and the bottom of the top plate; the top of the movable plate is provided with a slide rail, the bottom of the upright post is provided with a slide sleeve matched with the slide rail, and the movable frame horizontally slides along the slide rail.

Through adopting above-mentioned technical scheme, set up the adjustable shelf into the structure of stand and roof, the stand drives the roof and carries out the horizontal slip along the slide rail, and the movable rod of connecting on the roof makes the clamp plate drive the movable rod downstream for the vertical removal of roof after loosening the movable rod under positioning spring's effect, and the clamp plate is used in the cloth of dog-ear board top, and the cloth after turning over the book can be more level and more smooth.

The present invention may be further configured in a preferred embodiment as: the edge of the workbench is provided with a first graduated scale, the movable plate is provided with a second graduated scale on one side of the first hole, and the graduation lines on the first graduated scale and the second graduated scale are arranged along the length direction of the workbench.

By adopting the technical scheme, the structure of the first graduated scale is used, when the base plate moves, the moving distance of the edge of the folded plate can be accurately obtained by referring to the position change of one end part of the first hole compared with the first graduated scale, and the width of the folded plate can be accurately adjusted; the structure of the second graduated scale is increased, when the movable plate slides, the moving distance of the movable plate can be known through the scale change of the second fastening screw relative to the movable plate, and the adjustment of the width of the hem seam is convenient to carry out accurately.

The present invention may be further configured in a preferred embodiment as: the link includes the riser of both sides and the diaphragm at top, and vertical sliding tray has been seted up to one side that the riser is close to each other, goes up the compression roller both ends and rotates with the riser to be connected, and slidable mounting has the sliding block in the sliding tray, and lower compression roller both ends rotate with the sliding block to be connected, installs reset spring in the sliding tray, and the sliding block bottom is connected respectively at the reset spring both ends and the tank bottom of the vertical direction of sliding tray.

Through adopting above-mentioned technical scheme, be the structure of riser and diaphragm with the link, set up vertical sliding tray and carry out the installation of sliding block and lower compression roller on the riser, the sliding block can drive down the vertical slip of compression roller, increases reset spring's structure simultaneously, can make the slider rebound under reset spring's effect, and lower compression roller and the mutual butt of last compression roller can be used for going on leveling to the cloth.

The present invention may be further configured in a preferred embodiment as: the upper compression roller is arranged as an uncoiling roller, and uncoiling grains are oppositely arranged on the upper compression roller.

Through adopting above-mentioned technical scheme, will go up the compression roller and set up to the structure of unwinding roller and increase the line of opening a book of subtend, can open a book the cloth before sewing processing and level, subsequent sewing processing of being convenient for.

The present invention may be further configured in a preferred embodiment as: connecting pieces are arranged on two sides of the top of the transverse plate along the length direction and are connected with the bottom of the workbench through connecting screws.

By adopting the technical scheme, the structure of the connecting sheet at the top of the transverse plate is increased, the connecting sheet and the connecting screw are connected with the bottom of the workbench, and the installation and the connection are more convenient.

To sum up, the utility model discloses a following at least one useful technological effect:

the edge folding mechanism is additionally arranged, when edge folding sewing is carried out, cloth is fed between the base plate and the connecting plate, one side needing edge folding penetrates through the edge folding seam and is folded for one time, the distance between the edge folding seam and the sewing needle along the length direction of the workbench is the edge folding width, the end part of the edge folding part is aligned with the end part of the bottom cloth, edge folding sewing can be realized by pulling the cloth while sewing is carried out, and edge folding processing is convenient;

the bottom plate can slide along the first hole, so that the hem width can be conveniently adjusted, and the first fastening screw can be used for positioning after adjustment; the position of the movable plate can be adjusted along the first hole II, and then the position of the movable plate is fixed by using the fastening screw II, so that the width adjustment of the hem seam is realized, and the novel hem seam is suitable for cloth with different thicknesses;

the structure that has increased link and upper and lower compression roller is as leveling mechanism, and lower compression roller passes through slider and spout slidable mounting on the link, and the effect through reset spring makes upper compression roller and lower compression roller press from both sides the cloth tight, has played the level and smooth effect to the cloth, the subsequent hem operation of being convenient for.

Drawings

Fig. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic view of the middle folding mechanism of the present invention;

FIG. 3 is a schematic structural view of the middle movable frame of the present invention;

fig. 4 is a schematic view of the leveling mechanism of the present invention.

Reference numerals: 1. a work table; 2. a sewing machine body; 21. a sewing needle; 3. a connecting frame; 31. a vertical plate; 32. a transverse plate; 33. an upper compression roller; 34. a lower pressing roller; 35. a sliding groove; 36. a slider; 37. a return spring; 38. connecting sheets; 4. a flanging mechanism; 40. folding and sewing; 41. a base plate; 42. a connecting plate; 43. a hemming plate; 44. a connecting strip; 45. a movable plate; 46. a slide rail; 47. a first hole; 48. a first hole II; 5. a movable frame; 51. a column; 52. a top plate; 53. a movable rod; 54. pressing a plate; 55. a positioning spring; 6. a first graduated scale; 7. and a second graduated scale.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The length direction of the table in this embodiment is defined as the X-axis direction, and the width direction is defined as the Y-axis direction.

Referring to fig. 1, for the utility model discloses a sewing machine convenient to carry out hem, including workstation 1, the sewing machine body 2 of setting on workstation 1 and the sewing needle 21 of setting on sewing machine body 2.

Referring to fig. 1 and 2, a folding mechanism 4 and a leveling mechanism are mounted on a workbench 1, the folding mechanism 4 comprises a base plate 41 mounted on the workbench 1, a connecting plate 42 is arranged at one end of the base plate 41 in a bending mode and is formed, and a space is reserved between the connecting plate 42 and the base plate 41 and used for a cloth to be sewn to pass through. The end of the connecting plate 42 is provided with a flange plate 43. Bottom plate 41 and workstation 1 swing joint are fixed through fastener one, fastener one sets up to fastening screw one, a shape hole 47 has been seted up to bottom plate 41 both sides, fastening screw one passes a shape hole 47 and with workstation 1 screw-thread fit, can carry out the position control of bottom plate 41 after loosening fastening screw one, along the distance of X axle direction between the hem board 43 that changes and the sewing needle 21, realized the regulation of hem width, can carry out the fixed of bottom plate 41 position with fastening screw one.

Referring to fig. 1 and 2, a connecting strip 44 is arranged on the bottom plate 41, a movable plate 45 is movably connected to the connecting strip 44, the movable plate 45 slides along the horizontal direction and is fixed on the connecting strip 44 through a second fastening piece, the end of the movable plate 45 is close to the hemming plate 43 and forms a hemming seam 40 with the hemming plate 43, and a gap is reserved between the hemming seam 40 and the sewing needle 21. During processing, the cloth passes through the hemming seams 40 and cooperates with the cloth below, and hemming operation of the cloth can be performed by the sewing needle 21. The movable plate 45 is provided with a first hole two 48, and the length directions of the first hole one 47 and the first hole two 48 are both arranged along the X-axis direction. The second fastening piece is a second fastening screw which passes through the second hole 48 and is in threaded fit with the connecting strip 44. When the second fastening screw is loosened, the position of the movable plate 45 can be adjusted along the X-axis direction, so that the width of the hemming seam 40 is changed, and the hemming seam is suitable for hemming of cloth with different thicknesses.

Referring to fig. 1 and 2, a first graduated scale 6 is marked on the edge of the workbench 1, a second graduated scale 7 is arranged on the movable plate 45 on one side of the first hole 48, and the graduation lines on the first graduated scale 6 and the second graduated scale 7 are arranged along the length direction of the workbench 1. When the bottom plate 41 moves, the moving distance of the edge of the folding plate 43 can be accurately known by referring to the position change of the end part of the first hole 47 compared with the first graduated scale 6, and the adjustment of the folding width is accurate. The structure of the second graduated scale 7 is added, when the movable plate 45 slides, the moving distance of the movable plate 45 can be known through the scale change of the fastening screw relative to the movable plate 45, and the adjustment of the width of the hem seam 40 is convenient to perform accurately.

Referring to fig. 2 and 3, the movable plate 45 is movably mounted with a movable frame 5, the movable frame 5 includes a column 51 and a top plate 52 at the top of the column 51, the top plate 52 is movably mounted with a movable rod 53, the movable rod 53 slides along the vertical direction, a pressing plate 54 is fixed at the bottom of the movable rod 53, a positioning spring 55 is sleeved outside the movable rod 53, and two ends of the positioning spring 55 are respectively connected with the top of the pressing plate 54 and the bottom of the top plate 52. The top of the movable plate 45 is connected with a slide rail 46, the length direction of the slide rail 46 is arranged along the X-axis direction, the bottom of the upright 51 is provided with a slide sleeve matched with the slide rail 46, and the movable frame 5 horizontally slides along the slide rail 46. The movable rod 53 and the pressing plate 54 can be driven to slide by the movement of the movable frame 5, and the pressing plate 54 can act on the cloth under the action of the positioning spring 55 after the movable rod 53 is loosened, so that the cloth is flattened in the edge folding process, and the sewing of the edge folding sewing 40 can be conveniently and normally carried out.

Referring to fig. 1 and 4, the leveling mechanism includes a connecting frame 3 disposed at the bottom of the worktable 1, and an upper pressing roller 33 and a lower pressing roller 34 rotatably mounted on the connecting frame 3, and the axes of the upper pressing roller 33 and the lower pressing roller 34 are disposed along the X-axis direction. Connecting frame 3 includes the riser 31 of both sides and the diaphragm 32 at top, and vertical sliding tray 35 has been seted up to one side that riser 31 is close to each other, goes up compression roller 33 both ends and rotates with riser 31 to be connected, and slidable mounting has sliding block 36 in the sliding tray 35, and lower compression roller 34 both ends rotate with sliding block 36 to be connected, installs reset spring 37 in the sliding tray 35, and the bottom of sliding block 36 bottom and the vertical direction of sliding tray 35 is connected respectively to reset spring 37 both ends. The upper press roll 33 is provided as an uncoiling roll, and uncoiling grains are oppositely arranged on the upper press roll 33. Connecting pieces 38 are formed on both sides of the top of the transverse plate 32 in the length direction, and the connecting pieces 38 are connected with the bottom of the workbench 1 through connecting screws. Before sewing, the cloth is firstly clamped by the upper pressing roller 33 and the lower pressing roller 34 under the action of the return spring 37 through the upper pressing roller 33 and the lower pressing roller 34, so that the effect of flattening the cloth is achieved, and the subsequent edge folding work is facilitated.

The implementation principle of the embodiment is as follows: before sewing, the upper press roller 33 and the lower press roller 34 act on the cloth, so that the cloth can be leveled firstly, and the subsequent sewing process is facilitated. When sewing the hemmed seam 40, the cloth is fed between the base plate 41 and the connecting plate 42, one side needing hemmed passes through the hemmed seam 40 and is folded at one time, the distance between the hemmed seam 40 and the sewing needle 21 along the length direction of the workbench 1 is hemmed width, the end part of the hemmed part is aligned with the end part of the bottom cloth, the hemmed seam 40 can be sewn by pulling the cloth while sewing, and the hemmed processing is convenient. The base plate 41 can slide along the table 1 and the hem width is adjusted with reference to the first scale 6. The movable plate 45 can horizontally slide, the second graduated scale 7 is used as a reference, the width of the hem seam 40 is changed, the movable plate can be suitable for cloth with different thicknesses, and the hem sewing applicability is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a sewing machine convenient to carry out hem, includes workstation (1), sets up sewing machine body (2) on workstation (1) and sets up sewing needle (21) on sewing machine body (2), its characterized in that: the edge folding mechanism (4) and the leveling mechanism are arranged on the workbench (1), and the leveling mechanism comprises a connecting frame (3) arranged at the bottom of the workbench (1) and an upper press roll (33) and a lower press roll (34) which are rotatably arranged on the connecting frame (3); the edge folding mechanism (4) comprises a bottom plate (41) arranged on the workbench (1), one end of the bottom plate (41) is bent and formed with a connecting plate (42), and the end part of the connecting plate (42) is provided with an edge folding plate (43); the bottom plate (41) is movably connected with the workbench (1) and is fixed through a first fastening piece; the bottom plate (41) is provided with a connecting strip (44), the connecting strip (44) is movably connected with a movable plate (45), and the movable plate (45) slides along the horizontal direction and is fixed on the connecting strip (44) through a second fastening piece; the end part of the movable plate (45) is close to the folding plate (43) and forms a folding seam (40) with the folding plate (43); an interval is reserved between the hemming seam (40) and the sewing needle (21), a movable frame (5) is movably mounted on the movable plate (45), a pressing plate (54) is arranged on the movable frame (5), and the pressing plate (54) is movably connected with the movable frame (5) and slides along the vertical direction.

2. A sewing machine for facilitating hemming of claim 1 wherein: a first hole (47) is formed in each of two sides of the bottom plate (41), the first fastening piece comprises a first fastening screw, and the first fastening screw penetrates through the first hole (47) and is in threaded fit with the workbench (1); the second fastening piece comprises a second fastening screw, a first hole (48) is formed in the movable plate (45), and the second fastening screw penetrates through the first hole (48) and is in threaded fit with the connecting strip (44).

3. A sewing machine for facilitating hemming of claim 1 wherein: the movable frame (5) comprises an upright post (51) and a top plate (52) at the top of the upright post (51), a movable rod (53) is movably mounted on the top plate (52), the movable rod (53) slides along the vertical direction, a pressing plate (54) is fixedly arranged at the bottom of the movable rod (53), a positioning spring (55) is sleeved outside the movable rod (53), and two ends of the positioning spring (55) are respectively connected with the top of the pressing plate (54) and the bottom of the top plate (52); the top of the movable plate (45) is provided with a slide rail (46), the bottom of the upright post (51) is provided with a slide sleeve matched with the slide rail (46), and the movable frame (5) horizontally slides along the slide rail (46).

4. A sewing machine for facilitating hemming according to claim 2 wherein: the edge of the workbench (1) is provided with a first graduated scale (6), the movable plate (45) is provided with a second graduated scale (7) on one side of the first hole (48), and the graduation lines on the first graduated scale (6) and the second graduated scale (7) are arranged along the length direction of the workbench (1).

5. A sewing machine for facilitating hemming of claim 1 wherein: connecting frame (3) include riser (31) and diaphragm (32) at top of both sides, vertical sliding tray (35) have been seted up to one side that riser (31) are close to each other, go up compression roller (33) both ends and riser (31) and rotate and connect, slidable mounting has sliding block (36) in sliding tray (35), compression roller (34) both ends and sliding block (36) rotate to be connected down, install reset spring (37) in sliding tray (35), the tank bottom of sliding block (36) bottom and sliding tray (35) vertical direction is connected respectively to reset spring (37) both ends.

6. A sewing machine for facilitating hemming of a fabric according to claim 5 wherein: the upper pressing roller (33) is arranged as an uncoiling roller, and uncoiling grains are oppositely arranged on the upper pressing roller (33).

7. A sewing machine for facilitating hemming of a fabric according to claim 5 wherein: connecting pieces (38) are arranged on two sides of the top of the transverse plate (32) along the length direction, and the connecting pieces (38) are connected with the bottom of the workbench (1) through connecting screws.