CN210215789U

CN210215789U - Sewing machine presser foot structure for automobile accessory production

Info

Publication number: CN210215789U
Application number: CN201920750602.7U
Authority: CN
Inventors: Juan Yu; 于娟
Original assignee: Langfang Dongping Automobile Parts Co ltd
Current assignee: Langfang Dongping Automobile Parts Co ltd
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-03-31
Anticipated expiration: 2029-05-23

Abstract

The application provides a presser foot structure of a sewing machine for producing automobile accessories, which comprises a presser foot block arranged above a needle plate table and an operating table arranged on the side wall of the presser foot block; the operation table is provided with a movable groove plate parallel to the moving direction of the sewing material, and the groove plate is inwards sunken with a first groove; the operating table is provided with a movable groove plate, and the groove plate is inwards sunken with a first groove; an L-shaped supporting rod is fixed on the side edge of the presser foot block close to the edge of the material turning hem, the supporting rod comprises a first horizontal rod and a first vertical rod which are perpendicular to each other, the first vertical rod is fixed on the side wall of the presser foot block, and a cutting knife is arranged on the first horizontal rod; the edge of the sewing material flanging edge can movably move in a gap between the cutting knife and the first groove. The beneficial effect of this application is: the sewing material is clamped in the gap between the cutting knife and the first groove, the sewing material with the width can be cut off after the gap is sewn, and the phenomenon that the margin of the sewing material is too wide after the sewing machine sews the sewing material is avoided, so that the appearance is attractive.

Description

Sewing machine presser foot structure for automobile accessory production

Technical Field

The utility model relates to a sewing machine technical field, concretely relates to sewing machine presser foot structure is used in auto-parts production.

Background

In the process of sewing materials, the edge of the sewing materials needs to reserve a turned edge with a set width to be turned on the inner side, the width of the turned edge is determined by the width of a presser foot of a sewing machine, in the prior art, the width of the presser foot of the sewing machine is generally wider, the appearance of a sewn product is attractive, and the turned edge is required to be cut to be narrow.

When sewing auto parts such as car headrest pillowcase, need be equipped with the workman, cut out the hem of turning over of unnecessary width, the process of cutting out not only takes manpower in addition, can appear cutting off the suture moreover, and the condition such as product explodes useless takes place.

Disclosure of Invention

The utility model provides a to above problem, provide a sewing machine presser foot structure for auto-parts production.

In a first aspect, the application provides a presser foot structure of a sewing machine for producing automobile accessories, which is used for pressing a sewing material on a needle board table of the sewing machine and comprises a presser foot block arranged above the needle board table and an operation table arranged on the side wall of the presser foot block close to the edge of a turned edge of the sewing material; the operation table is provided with a movable groove plate parallel to the moving direction of the sewing material, and the groove plate is inwards sunken with a first groove; the operation table is provided with a movable groove plate parallel to the moving direction of the sewing material, and the groove plate is inwards sunken with a first groove; an L-shaped supporting rod is fixed on the side wall of the presser foot block close to the edge of the sewing material turning edge, the supporting rod comprises a first horizontal rod and a first vertical rod which are vertical to each other, the first vertical rod is vertically fixed on the side wall of the presser foot block, a movable cutting knife which extends downwards is arranged on the first horizontal rod, and the cutting knife is arranged corresponding to the first groove; the material turning edge moves in a gap between the cutting knife and the first groove.

According to the technical scheme that this application embodiment provided, frid and the perpendicular relative both sides of seam material moving direction are equipped with a pair of first through-hole, the operation panel corresponds the both sides of first through-hole are equipped with the first through-hole groove of a pair of rectangular shape, pass in proper order the first bolt in first through-hole and first through-hole groove will the frid is fixed on the operation panel.

According to the technical scheme provided by the embodiment of the application, the end part, far away from the pressure foot block, of the first horizontal rod is provided with a horizontally extending extension rod, the first horizontal rod is provided with an accommodating cavity corresponding to the extension rod and sunken inwards, and the extension rod is movably clamped in the accommodating cavity; one end of the cutting knife is installed on the lengthening bar.

According to the technical scheme provided by the embodiment of the application, a second through hole is formed in the upper surface of the extension bar in a concave mode, a strip-shaped second through hole groove is formed in the upper surface of the first horizontal bar in a concave mode, and the second through hole groove is communicated with the placing cavity; and the second bolt sequentially penetrates through the second through hole groove and the second through hole to fix the extension bar on the first horizontal bar.

According to the technical scheme that this application embodiment provided, correspond on the first horizon bar first recess is equipped with first screw thread through-hole, correspond on the first horizon bar first screw thread through-hole is equipped with movably to cup joint lifter in the first screw thread through-hole, the lifter is close to the one end of first recess is equipped with tailor the sword.

According to the technical scheme provided by the embodiment of the application, the first horizontal rod is provided with a limiting rod which vertically extends downwards, and the limiting rod is arranged on one side of the cutting knife, which is far away from the presser foot block; the limiting rod is an L-shaped rod and comprises a second vertical rod and a second horizontal rod which are perpendicular to each other, one end of the second vertical rod is vertically fixed on the first horizontal rod, the second horizontal rod is arranged in a direction parallel to the moving direction of the sewing material, the second horizontal rod is arranged above the operating table, and the edge of the sewing material turning edge moves in a gap between the second horizontal rod and the upper surface of the operating table.

According to the technical scheme provided by the embodiment of the application, a plurality of rotatable balls are embedded in the second horizontal rod along the moving direction of the sewing material, and the edge of the sewing material flanging edge moves in a gap between the balls and the upper surface of the operating platform.

According to the technical scheme that this application embodiment provided, follow on the second horizon bar the seam material moving direction is inside sunken to have a plurality of spherical recess, the joint has rotationally in the spherical recess the ball.

According to the technical scheme that this application embodiment provided, be equipped with mobilizable additional groove in the spherical recess, the additional groove with the spherical recess shape is unanimous, the additional groove with be connected with damping spring between the spherical recess, the ball is rotationally the joint in the additional groove.

The invention has the beneficial effects that: the application provides a presser foot structure of a sewing machine for producing automobile accessories, which is used for pressing a sewing material on a needle plate table of the sewing machine and comprises a presser foot block arranged above the needle plate table and an operation table arranged on the side wall of the presser foot block close to the edge of a turned edge of the sewing material; the operation table is provided with a movable groove plate parallel to the moving direction of the sewing material, and the groove plate is inwards sunken with a first groove; an L-shaped supporting rod is fixed on the side wall of the presser foot block close to the edge of the sewing material turning edge, the supporting rod comprises a first horizontal rod and a first vertical rod which are vertical to each other, the first vertical rod is vertically fixed on the side wall of the presser foot block, a movable cutting knife which extends downwards is arranged on the first horizontal rod, and the cutting knife is arranged corresponding to the first groove; the material turning edge moves in a gap between the cutting knife and the first groove.

With seam material joint in the gap of cutting out sword and first recess, can will finish cutting out the seam material to the width through sewing up of gap, be unlikely to make sewing machine sew up the back margin of seam material too wide, influence pleasing to the eye, do the limit seam limit and cut out, remove the manual work from and tailor the process, improve work efficiency and reduce the human cost.

The groove plate with the first groove is movably fixed on the operating platform, and the position of the groove plate on the operating platform can be adjusted according to the width of the sewing material to be cut.

Will cut out sword movably and fix on first horizon bar, can be according to the seam material width of will cutting out and correspond the position of first recess adjustment, and then the position of adjustment cutting out the sword on first horizon bar.

The size of the gap between the cutting knife and the first groove can be adjusted by rotating the lifting rod in the first threaded through hole.

According to the technical scheme provided by the embodiment of the application, the first horizontal rod is provided with a limiting rod which vertically extends downwards, and the limiting rod is arranged on one side, away from the presser foot block, of the cutting knife on the first horizontal rod; the limiting rod is an L-shaped rod and comprises a second vertical rod and a second horizontal rod which are perpendicular to each other, one end of the second vertical rod is vertically fixed on the first horizontal rod, the second horizontal rod is arranged in a direction parallel to the moving direction of the sewing material, the second horizontal rod is arranged above the operating table, and the edge of the sewing material turning edge moves in a gap between the second horizontal rod and the upper surface of the operating table.

In order to be beneficial to the situation that redundant sewing materials can move smoothly and move in a limiting and non-deviation mode in the cutting process of the cutting knife, a second horizontal rod in contact with the sewing materials is arranged on the upper surface of the sewing materials on the operating table.

The balls are arranged on the lower surface of the second horizontal rod, so that friction between the second horizontal rod and the sewing material can be reduced, and the sewing material can smoothly move on the lower surface of the second horizontal rod.

Drawings

FIG. 1 is a schematic structural diagram of a first embodiment of the present application;

FIG. 2 is a schematic partial structure diagram of a second embodiment of the present application;

FIG. 3 is a schematic partial structure diagram of a third embodiment of the present application;

FIG. 4 is a schematic structural diagram of a preferred embodiment of a third embodiment of the present application;

the text labels in the figures are represented as: 100. a needle board table; 200. an operation table; 210. a groove plate; 300. a foot pressing block; 410. a first horizontal bar; 411. lengthening a rod; 420. a first vertical rod; 500. a lifting rod; 510. a cutting knife; 610. a first bolt; 620. a second bolt; 700. a limiting rod; 710. a second vertical rod; 720. a second horizontal bar; 721. a ball bearing; 722. a spherical recess; 723. an additional groove; 800. a damping spring; 900. and (5) sewing the materials.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings, and the description of the present section is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.

As shown in fig. 1, which is a schematic view of a first embodiment of the present application, the device for pressing a sewing material 900 on a needle board table 100 of a sewing machine comprises a presser foot block 300 disposed above the needle board table 100, and an operation table 200 disposed on a side wall of the presser foot block 300 near a hemming edge of the sewing material 900.

A movable groove plate 210 parallel to the moving direction of the sewing material 900 is arranged on the operating table 200, and a first groove is inwards recessed in the groove plate 210;

an L-shaped support rod is fixed on the side edge of the presser foot block 300 close to the folded edge of the sewing material 900, the support rod comprises a first horizontal rod 410 and a first vertical rod 420 which are perpendicular to each other, the first vertical rod 420 is fixed on the side wall of the presser foot block 300, a movable cutting knife 510 which vertically extends downwards is arranged on the first horizontal rod 410, and the cutting knife 510 is arranged corresponding to the first groove; the flap edge of the fabric 900 is movably moved in the gap between the cutting blade 510 and the first groove.

In this embodiment, the surplus limit of the back seam material of will sewing is arranged in cutter 510 and in the gap between the first recess, cutter 510 cuts out the seam material in the first recess for the seam material of the unnecessary width of back of sewing is cut out, has guaranteed the pleasing to the eye of product, and when sewing car headrest pillowcase, the pillowcase turn-over edge was too wide, and the accessible this embodiment is cut out the unnecessary seam material of too wide, has guaranteed the aesthetic property of pillowcase.

In a preferred embodiment, the slot plate 210 with the first groove is fixed at different positions of the table 200 according to the width of the margin of the fabric to be cut. The both sides of frid 210 and the perpendicular relative of seam material 900 moving direction are equipped with a pair of first through-hole, the operation panel 200 corresponds the both sides of first through-hole are equipped with the first through-hole groove of a pair of rectangular shape, pass in proper order the first bolt 610 in first through-hole and first through-hole groove will frid 210 is fixed on the operation panel 200.

Referring to fig. 2, a second embodiment of the present application is shown, in which an extension bar 411 is added to a first horizontal bar 410 in this embodiment, in addition to the first embodiment. The first horizontal rod 410 is provided with an extension rod 411 extending horizontally in the direction away from the presser foot block 300, the first horizontal rod 410 is provided with a placement cavity corresponding to the extension rod 411 which is recessed inwards, and the extension rod 411 is movably clamped in the placement cavity; the end of the cutting blade 510 is mounted on the extension bar 411.

In the present embodiment, in order to realize that the horizontal position of the cutting blade 510 disposed on the first horizontal bar 410 is adjustable, so as to move along with the horizontal movement of the first groove, it is ensured that the first groove is located right below the cutting blade 510.

In a preferred embodiment, the upper surface of the extension bar 411 is recessed inward to form a second through hole, and the upper surface of the first horizontal bar 410 is recessed inward to form a second elongated through hole slot, wherein the second through hole slot is communicated with the accommodating cavity; the extension bar 411 is fixed to the first horizontal bar 410 by a second bolt 620 sequentially passing through the second through-hole groove and the second through-hole.

In a preferred embodiment, to achieve the vertical height adjustability of the cutting blade 510, i.e., the gap between the cutting blade 510 and the first groove is adjusted with the thickness of the caulk 900: correspond on the first horizon bar 410 first recess is equipped with first screw thread through-hole, correspond on the first horizon bar 410 first screw thread through-hole is equipped with movably cup joints lifter 500 in the first screw thread through-hole, lifter 500 is close to the one end of first recess is equipped with cut out sword 510.

In the present preferred embodiment, rotating the lifting lever 500 away from the end of the cutting blade 510 can cause the lifting lever 500 and its cutting blade 510 to be raised or lowered in the vertical direction.

As shown in fig. 3, a third embodiment of the present application is based on the first embodiment, and in order to facilitate the excess seam material to move smoothly and to be limited and move without deviation during the cutting process of the cutting knife: a limiting rod 700 extending vertically and downwards is arranged on the first horizontal rod 410, and the limiting rod 700 is arranged on one side, far away from the presser foot block 300, of the cutting knife 510 on the first horizontal rod 410; the limiting rod 700 is an L-shaped rod, the limiting rod 700 includes a second vertical rod 710 and a second horizontal rod 720 which are perpendicular to each other, one end of the second vertical rod 710 is fixed on the first horizontal rod 410, the second horizontal rod 720 is arranged in a direction parallel to the moving direction of the sewing material 900, the second horizontal rod 720 is arranged above the operating table 200, and the edge of the turned edge of the sewing material 900 can movably move in a gap between the second horizontal rod 720 and the upper surface of the operating table 200.

In a preferred embodiment, to reduce the friction between the fabric 900 and the second horizontal bar 720, the fabric 900 moves more smoothly during the movement of the gap: a plurality of rotatable balls 721 are embedded in the second horizontal bar 720 along the moving direction of the sewing material 900, and the edge of the turned edge of the sewing material 900 can movably move in the gap between the balls 721 and the upper surface of the operating platform 200.

Preferably, a plurality of spherical grooves 722 are recessed in the second horizontal rod 720 along the moving direction of the sewing material 900, and the balls 721 are rotatably engaged in the spherical grooves 722.

Preferably, as shown in fig. 4, a movable additional groove 723 is arranged in the spherical groove 722, the additional groove 723 is in a shape consistent with that of the spherical groove 722, a shock absorbing spring 800 is connected between the additional groove 723 and the spherical groove 722, and the ball 721 is rotatably clamped in the additional groove 723. The ball 721 plays a role of buffering through a damping spring in the rotation process, and is beneficial to smooth movement of the sewing material 900.

The principles and embodiments of the present application are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present application, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments, or may be learned by practice of the invention.

Claims

1. The presser foot structure of the sewing machine for producing the automobile accessories is used for pressing a sewing material (900) on a needle plate table (100) of the sewing machine and is characterized by comprising a presser foot block (300) arranged above the needle plate table (100) and an operation table (200) arranged on the side wall of the presser foot block (300) close to the flanging edge of the sewing material (900);

the operation table (200) is provided with a movable groove plate (210) parallel to the moving direction of the sewing material (900), and the groove plate (210) is inwards recessed with a first groove;

an L-shaped supporting rod is fixed on the side wall of the presser foot block (300) close to the flanging edge of the sewing material (900), the supporting rod comprises a first horizontal rod (410) and a first vertical rod (420) which are perpendicular to each other, the first vertical rod (420) is vertically fixed on the side wall of the presser foot block (300), a movable cutting knife (510) which extends downwards is arranged on the first horizontal rod (410), and the cutting knife (510) is arranged corresponding to the first groove; the hemming edge of the sewing material (900) moves in a gap between the cutting blade (510) and the first groove.

2. The presser foot structure of sewing machine for producing automobile parts according to claim 1, wherein a pair of first through holes are provided on opposite sides of said slot plate (210) perpendicular to the moving direction of the sewing material (900), a pair of first elongated through holes are provided on both sides of said operation table (200) corresponding to said first through holes, and said slot plate (210) is fixed to said operation table (200) by first bolts (610) passing through said first through holes and said first through holes in sequence.

3. The presser foot structure of automobile parts production according to claim 1, wherein the end of the first horizontal bar (410) far away from the presser foot block (300) is provided with a horizontally extending extension bar (411), the first horizontal bar (410) is provided with a placement cavity corresponding to the extension bar (411) and recessed inwards, and the extension bar (411) is movably clamped in the placement cavity; one end of the cutting knife (510) is installed on the extension bar (411).

4. The presser foot structure for automobile parts production according to claim 3, wherein said extension bar (411) has a second through hole recessed inward in an upper surface thereof, and said first horizontal bar (410) has an elongated second through hole groove recessed inward in an upper surface thereof, said second through hole groove communicating with said housing chamber; and a second bolt (620) sequentially penetrating through the second through hole groove and the second through hole fixes the extension bar (411) on the first horizontal bar (410).

5. The presser foot structure of sewing machine for producing auto parts according to claim 1, wherein said first horizontal bar (410) is provided with a first threaded through hole corresponding to said first groove, said first horizontal bar (410) is provided with a lifting bar (500) movably sleeved in said first threaded through hole corresponding to said first threaded through hole, and one end of said lifting bar (500) near said first groove is provided with said cutting knife (510).

6. The presser foot structure of sewing machine for producing automobile parts according to claim 1, wherein a stopper rod (700) extending vertically downward is provided on the first horizontal rod (410), and the stopper rod (700) is provided on a side of the cutting knife (510) away from the presser foot block (300);

the limiting rod (700) is an L-shaped rod, the limiting rod (700) comprises a second vertical rod (710) and a second horizontal rod (720) which are perpendicular to each other, one end of the second vertical rod (710) is vertically fixed on the first horizontal rod (410), the second horizontal rod (720) is arranged in the direction parallel to the moving direction of the sewing material (900), the second horizontal rod (720) is arranged above the operating platform (200), and the edge of the turned edge of the sewing material (900) moves in a gap between the second horizontal rod (720) and the upper surface of the operating platform (200).

7. The presser foot structure of an automobile accessory production sewing machine according to claim 6, wherein a plurality of rotatable balls (721) are embedded in the second horizontal bar (720) along the moving direction of the sewing material (900), and the folded edge of the sewing material (900) moves in the gap between the balls (721) and the upper surface of the operation table (200).

8. The presser foot structure for sewing machines for producing automobile accessories according to claim 7, wherein a plurality of spherical grooves (722) are recessed inward along the moving direction of the sewing material (900) on the second horizontal bar (720), and the balls (721) are rotatably engaged in the spherical grooves (722).

9. The sewing machine presser foot structure for automobile accessory production according to claim 8, wherein a movable additional groove (723) is provided in said spherical groove (722), said additional groove (723) is in conformity with the spherical groove (722), a damping spring (800) is connected between said additional groove (723) and said spherical groove (722), and said ball (721) is rotatably engaged in said additional groove (723).