CN210420418U

CN210420418U - Pressing-free presser foot of computer pattern sewing machine

Info

Publication number: CN210420418U
Application number: CN201920449669.7U
Authority: CN
Inventors: 黄丰富
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-04
Filing date: 2019-04-04
Publication date: 2020-04-28
Anticipated expiration: 2029-04-04

Abstract

The utility model discloses a press-free presser foot of a computer pattern sewing machine, which comprises a presser foot plate and two slide bars vertically fixed with the presser foot plate, wherein a sliding sleeve lock frame for fixing a middle presser foot is arranged on the two slide bars, the sliding sleeve lock frame is sleeved on the slide bars through the slide bar sleeve, the slide bars are two, each slide bar is correspondingly sleeved with a slide bar sleeve, the lower end of each slide bar is fixedly connected with the presser foot plate, the upper ends of the two slide bars are fixed through a connecting rod, a tension spring is connected between the connecting rod and the sliding sleeve lock frame, one end of the tension spring is fixed on the connecting rod, the other end of the tension spring is fixed on a tension spring hole of the sliding sleeve lock frame, the utility model is arranged on the middle presser foot of the computer pattern sewing machine, the problem that when a worker manually sews the material is solved, the machine needle can be prevented from inserting fingers, the motor can run at high speed, the working efficiency is improved, the resistance of the motor can be reduced, and the service life of the motor is prolonged.

Description

Pressing-free presser foot of computer pattern sewing machine

Technical Field

The utility model relates to an industrial sewing machine field, concretely relates to press-free presser foot of computer style machine.

Background

The computerized pattern sewing machine is a modern advanced industrial sewing machine, is widely suitable for sewing patterns of various handbags, clothing, textiles, leatherware, bags, shoes, belts, sports equipment and the like, and can realize the traditional manual pattern with high speed, high efficiency and high precision. As shown in fig. 1, the working process of the existing computer pattern sewing machine is mainly pressed by a middle presser foot D of a computer pattern sewing machine C, the contact surface of the middle presser foot D and a material is small, in order to prevent a needle of the computer pattern sewing machine from lifting and shifting the material wings during sewing and affecting the quality of a product, the sewing work can be completed only by pressing the material with a hand of a worker, and the operation of pressing the material with the hand of the worker has the following defects:

1. when two fabrics need to be made, the hands press the materials to enable the machine needle to make the two fabrics, the two fabrics are synchronously operated with the machine needle in the longitudinal and transverse directions through the feeding template, the next needle on the machine needle and the feeding template transversely or longitudinally move are realized, and the moving speed of the hands of workers cannot be synchronous with the machine, so that the workers are easily inserted into fingers by the machine needle to cause unnecessary damage, and the phenomena of fabric wing lifting, deviation and the like can be continuously caused, thereby causing poor product quality and increasing the rejection rate.

2. When the smaller trademark label needs to be sewn on the fabric, the trademark label is smaller, sewing work is difficult to accurately complete through a worker pressing the trademark label by hand, and therefore the sewing speed of the machine needs to be slowed down, so that the working efficiency is low, the production cost is high, and the yield is low.

3. Because the fabric is manually pressed by hands, the fabric moves through the feeding template, the feeding template moves through the driving of the motor, the resistance can be brought to the motor by manually pressing the fabric, the load of the motor is increased, the motor is easy to damage, and the service life of the motor is shortened.

Therefore, under the requirements of high quality, high benefit and safe production of enterprises, in order to ensure the safe and rapid sewing of the computer pattern sewing machine, a press-free pin which can be matched with the computer pattern sewing machine for installation and use is required to be designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a press-free presser foot of a computer pattern sewing machine, which has the advantages of novel structural design, safety, reliability and simple and convenient installation, thereby replacing the manual hand to sew according to materials.

The utility model discloses a following technical scheme realizes: a press-free presser foot of a computer pattern sewing machine comprises a presser foot plate and a slide rod vertically fixed with the presser foot plate, wherein a slide sleeve lock frame used for fixing a middle presser foot is arranged on the slide rod, and the slide sleeve lock frame can slide up and down on the slide rod through a tension spring.

Preferably, press the sole to go up the vertical fixation and have two slide bars, every slide bar lower extreme with press sole fixed connection, it is fixed through the connecting rod on two slide bars, extension spring one end is fixed on the connecting rod, the other end is fixed on the sliding sleeve lock frame.

Preferably, be equipped with on the sliding sleeve lock frame and establish two sliding rod sleeves on two slide bars, slide bar quantity is the same with sliding rod sleeve quantity.

Preferably, two slide bars are the inclination fixed with pressing sole one side.

Preferably, the presser foot plate is provided with a through hole for the needle to pass through.

Preferably, the through-hole is a rectangular through-hole or a circular hole.

Preferably, be equipped with the extension spring hole that is used for the fixed extension spring other end on the sliding sleeve lock frame.

Preferably, the sliding sleeve lock frame of the utility model has a U-shaped cross section.

Preferably, be equipped with on the sliding sleeve lock frame and be used for with the fixed mounting hole of well presser foot.

Preferably, the mounting hole is a rectangular mounting hole or a circular mounting hole.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model discloses a presser foot can stabilize the material and sew up the material position, and when computer style machine was made up at high speed, the sewing material tension was big under the eedle, and presser foot can compress with the slide bar in a flexible way to prevent that the rim charge wing from playing and walk the scheduling problem, presser foot board flat steady pressure when the eedle rises back is beated in order to prevent the eedle area material, stably makes up the index, and presser foot realizes a needle stroke with the slide bar, pushes down and rises back, but high-speed operation.

2. The utility model discloses the slide bar is connected perpendicularly with the presser foot board, and the slide bar can stretch the slide and drive the presser foot board crimple, can increase and decrease the presser foot board dynamics of stabilizing, slide bar and presser foot board vertical balance under the slide bar cover effect, and every stroke pushes down and rises backward, and the position is not walked to the seam material, can not the wing play a position, makes to make up the precision and improves.

3. The utility model discloses with the well presser foot of computer style machine and the mounting hole swing joint on the sliding sleeve lock frame, the mounting hole is the rectangular hole, can adjust in a flexible way and exempt from the installation height distance according to the presser foot to satisfy the demand of seam material thickness.

4. The utility model discloses a two slide bar sleeve covers are connected on the sliding sleeve lock frame, and two slide bar sleeves can contract in a flexible way and stretch on the slide bar, and stable slide bar pushes down perpendicularly at the presser foot board and promotes, can let equipment make up at any speed simultaneously and stabilize in step.

5. To sum up, the utility model discloses install on the well presser foot of computer style machine, can solve the manual work and when making up, do not need the workman to press the material by hand, can avoid the eedle to alternate the finger, can take the material to get into next blowing work again when making up, save time. Simultaneously the utility model discloses in step with equipment, can realize high-speed operation, improve work efficiency, can reduce motor bearing capacity again, extension motor life.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a partial view of a prior art computer pattern machine;

FIG. 2 is a schematic front perspective structure of the present invention;

FIG. 3 is a back three-dimensional structural diagram of the present invention;

fig. 4 is a schematic structural view of the utility model after being mounted with the middle presser foot;

wherein: the device comprises a foot pressing plate, a sliding rod, a sliding sleeve lock frame, a sliding rod sleeve, a connecting rod, a tension spring, a middle pressing foot, a rectangular through hole, a tension spring hole and a rectangular mounting hole, wherein the foot pressing plate is 1-2-the sliding rod, the sliding sleeve lock frame is 3-the sliding sleeve, the tension spring is 6-the sliding sleeve, the middle pressing foot is 7-the rectangular.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The press-free presser foot of the computer pattern sewing machine of the embodiment comprises a presser foot plate 1, a rectangular through hole 8 for a machine needle to pass through is arranged on the presser foot plate 1, a slide rod 2 which is vertically fixed is arranged on the presser foot plate 1, a slide sleeve lock frame 3 for fixing a middle presser foot is arranged on the slide rod 2, the slide sleeve lock frame 3 is sleeved on the slide rod 2 through a slide rod sleeve 4, the number of the slide rods 2 is two, each slide rod 2 is correspondingly sleeved with a slide rod sleeve 4, so that the stability of the slide rod sleeve 4 driving the slide sleeve lock frame 3 to extend up and down can be met, the number of the slide rods 2 can be multiple, as long as the slide rods 2 and the presser foot plate 1 can be stabilized to extend up and down, the number of the slide rod sleeves 4 is equal to the number of the slide rods 2, the lower end of each slide rod 2 is fixedly connected with the presser foot plate 1, the lower end of the slide rod 2 can also be movably connected with, a V-shaped opening is formed in the connecting rod, a tension spring 6 is connected between the connecting rod 5 and the sliding sleeve lock frame 3, one end of the tension spring 6 is hooked on the V-shaped opening of the connecting rod 5, the other end of the tension spring is fixed on a tension spring hole 9 of the sliding sleeve lock frame 3, and the tension spring 6 drives the whole press-free presser foot to descend to the position, matched with the external pressure frame surface of the equipment, on the sliding sleeve lock frame 3; before a machine needle of the device penetrates through a sewing material, the sliding sleeve lock frame 3 starts a tension spring force to correctly stabilize the sewing material to operate in the foot pressing plate 1.

The cross section of the sliding sleeve lock frame 3 is U-shaped, the U-shaped sliding sleeve lock frame 3 is provided with a concave part, the middle presser foot 7 is fixed at the position of the concave part, the middle presser foot 7 and the sliding sleeve lock frame 3 respectively penetrate through the rectangular mounting holes 10 of the middle presser foot 7 and the sliding sleeve lock frame 3 through screws, the middle presser foot 7 and the sliding sleeve lock frame 3 are fixed on the presser foot rod position together, and therefore the mounting height distance of the pressing foot is conveniently and flexibly adjusted, and the requirement for the thickness of a sewing material is met.

The two slide bars 2 are fixed with one side of the foot pressing plate 1 at an inclined angle, more specifically, one side formed by the two slide bars 2 and one side of the foot pressing plate 1 have a certain inclined angle, so that the work of a line sweeping mechanism of the equipment cannot be obstructed, the slide bars 2 can be prevented from being separated from the foot pressing plate 1, and the stable action of the press-free presser foot can be ensured.

The utility model discloses the theory of operation: firstly, the utility model discloses exempt from to press presser foot and well presser foot 7 to be fixed together on the presser foot pole position of equipment, during operation presser foot pole drives sliding sleeve lock frame 3 and descends along with slide bar 2, drive extension spring 6 and pressurize in connecting rod 5 and presser foot board 1, make presser foot board 1 can stabilize seam material accurate position, when the presser foot pole ascends, sliding sleeve lock frame 3 also follows and rises, 6 former exempt from to press the presser foot to promote simultaneously of extension spring, carry out the repetitive operation, therefore every stroke pushes down and rises again, seam material is not walked about, can not wing play the position, the messenger makes up the precision and improves.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The press-free presser foot of the computer pattern sewing machine is characterized in that: the middle presser foot fixing device comprises a presser foot plate and a slide rod vertically fixed with the presser foot plate, wherein a sliding sleeve lock frame used for fixing the middle presser foot is arranged on the slide rod, and the sliding sleeve lock frame can slide up and down on the slide rod through a tension spring.

2. The press-free presser foot of the computer pattern sewing machine as claimed in claim 1, wherein: the foot pressing plate is vertically fixed with two sliding rods, the lower end of each sliding rod is fixedly connected with the foot pressing plate, the upper ends of the two sliding rods are fixed through a connecting rod, one end of a tension spring is fixed on the connecting rod, and the other end of the tension spring is fixed on a sliding sleeve lock frame.

3. The press-free presser foot of the computer pattern sewing machine as claimed in claim 1 or 2, wherein: and two sliding rod sleeves sleeved on the two sliding rods are arranged on the sliding sleeve lock frame, and the number of the sliding rods is the same as that of the sliding rod sleeves.

4. The press-free presser foot of the computer pattern sewing machine as claimed in claim 3, wherein: the two sliding rods and one side of the foot pressing plate are fixed in an inclined angle mode.

5. The press-free presser foot of the computer pattern sewing machine as claimed in claim 4, wherein: the foot pressing plate is provided with a through hole for the needle to pass through.

6. The press-free presser foot of the computer pattern sewing machine as claimed in claim 5, wherein: the through hole is a rectangular through hole or a circular hole.

7. The press-free presser foot of the computer pattern sewing machine as claimed in claim 1, wherein: and the sliding sleeve lock frame is provided with a tension spring hole for fixing the other end of the tension spring.

8. The press-free presser foot of the computer pattern sewing machine as claimed in claim 7, wherein: the sliding sleeve lock frame is U-shaped in cross section.

9. The press-free presser foot of the computer pattern sewing machine as claimed in claim 8, wherein: and the sliding sleeve lock frame is provided with a mounting hole for fixing the middle presser foot.

10. The press-free presser foot of the computer pattern sewing machine as claimed in claim 9, wherein: the mounting hole is a rectangular mounting hole or a circular mounting hole.