CN212375503U

CN212375503U - Presser foot spanner cam of sewing machine

Info

Publication number: CN212375503U
Application number: CN202020823671.9U
Authority: CN
Inventors: 季建峰; 孙和喜
Original assignee: Wujiang Hexi Machinery Co ltd
Current assignee: Wujiang Hexi Machinery Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-19
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a presser foot spanner cam of sewing machine, including presser foot spanner axle, the bottom swing joint of presser foot spanner axle has the cam body, the top of cam body is scribbled and is equipped with the anticorrosive coating, the anticorrosive coating includes chlorosulfonated polyethylene dope layer, polyimide dope layer and zinc silicate dope layer, the bottom of cam body is scribbled and is equipped with the wearing layer, the wearing layer includes special fluorine dragon dope layer and polyurethane dope layer. The utility model discloses a presser foot spanner axle, the cam body, the anticorrosive coating, chlorosulfonated polyethylene dope layer, the polyimide dope layer, the zinc silicate dope layer, the wearing layer, the cooperation of special fluorine dragon dope layer and polyurethane dope layer is used, the advantage that anticorrosion effect is good has been reached, it is not good to have solved current presser foot spanner cam anticorrosion effect when using, often use the phenomenon that the corruption can appear in the cam surface for a long time, so that influence the normal use of cam, consequently the problem that people used not convenient for.

Description

Presser foot spanner cam of sewing machine

Technical Field

The utility model relates to a sewing machine technical field specifically is a presser foot spanner cam of sewing machine.

Background

The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of sewing materials to be interwoven or sewn, the sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like, and products such as leather, plastics, paper and the like, while the traditional presser foot wrench cam has poor corrosion prevention effect when in use, and the cam surface is often corroded after long-time use, so that the normal use of the cam is influenced, and the cam is inconvenient for people to use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a sewing machine's presser foot spanner cam possesses anticorrosive effectual advantage, and it is not good to have solved current presser foot spanner cam anticorrosion effect when using, often uses the phenomenon that the cam surface can corrode for a long time to influence the normal use of cam, consequently the problem of the people's use of being not convenient for.

(II) technical scheme

For realizing the above-mentioned effectual purpose of anticorrosion, the utility model provides a following technical scheme: the presser foot wrench cam of the sewing machine comprises a presser foot wrench shaft, wherein the bottom of the presser foot wrench shaft is movably connected with a cam body, an anticorrosive coating is coated on the top of the cam body and comprises a chlorosulfonated polyethylene coating layer, a polyimide coating layer and a zinc silicate coating layer, and a wear-resistant layer is coated on the bottom of the cam body.

Preferably, the wear layer includes a teflon coating layer and a polyurethane coating layer, the teflon coating layer is located the top of the polyurethane coating layer.

Preferably, the thickness of the Teflon coating layer is 0.1-0.3 mm, and the thickness of the polyurethane coating layer is 0.1-0.4 mm.

Preferably, the chlorosulfonated polyethylene coating layer is located at the top of the polyimide coating layer, and the polyimide coating layer is located at the top of the zinc silicate coating layer.

Preferably, the thickness of the chlorosulfonated polyethylene coating layer is 0.1-0.2 mm, the thickness of the polyimide coating layer is 0.15-0.3 mm, and the thickness of the zinc silicate coating layer is 0.2-0.4 mm.

(III) advantageous effects

Compared with the prior art, the utility model provides a sewing machine's presser foot spanner cam possesses following beneficial effect:

1. the utility model discloses a presser foot spanner axle, the cam body, the anticorrosive coating, chlorosulfonated polyethylene dope layer, the polyimide dope layer, the zinc silicate dope layer, the wearing layer, the cooperation of special fluorine dragon dope layer and polyurethane dope layer is used, the advantage that anticorrosion effect is good has been reached, it is not good to have solved current presser foot spanner cam anticorrosion effect when using, often use the phenomenon that the corruption can appear in the cam surface for a long time, so that influence the normal use of cam, consequently the problem that people used not convenient for.

2. The utility model discloses a chlorosulfonated polyethylene dope layer, chlorosulfonated polyethylene dope layer have ozone-resistant, resistant chemical corrosion, resistant oily, heat-resisting, light-fast and wear resistance better.

3. The utility model discloses a polyimide dope layer, polyimide dope layer have that electrical insulation performance is better, the heat resistance is good, resistant irradiation, mechanical properties is good, tensile strength is high, resistant organic solvent, resistant ozone, mould proof and corrosion resistance are good.

4. The utility model discloses a zinc silicate dope layer, zinc silicate dope layer have that the durability is good, from the closure good, have fabulous corrosion-resistant, high temperature resistant, resistant time and ultraviolet ray ageing resistance.

5. The utility model discloses a teflon dope layer, teflon dope layer have non-adhesion, heat resistance, the surface is not stained with water and oil and good wear resistance.

6. The utility model discloses a polyurethane coating layer, polyurethane coating layer have that adhesive force is strong, the wearability is good, hardness is big and high and the good superiority of chemical resistance, weatherability etc.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the cam body structure of the present invention;

FIG. 3 is a cross-sectional view of the anticorrosion layer structure of the present invention;

fig. 4 is a cross-sectional view of the wear-resistant layer structure of the present invention.

In the figure: 1. a presser foot and wrench shaft; 2. a cam body; 3. an anticorrosive layer; 301. a chlorosulfonated polyethylene coating layer; 302. a polyimide coating layer; 303. a zinc silicate coating layer; 4. a wear layer; 401. a Teflon coating layer; 402. and a polyurethane coating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be 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 utility model discloses a presser foot spanner axle 1, cam body 2, anticorrosive coating 3, chlorosulfonated polyethylene dope layer 301, polyimide dope layer 302, zinc silicate dope layer 303, wearing layer 4, special fluorine dragon dope layer 401 and polyurethane dope layer 402 part are the parts that general standard spare or the skilled person in the art knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a cam for a presser foot wrench of a sewing machine includes a presser foot wrench shaft 1, a cam body 2 movably connected to the bottom of the presser foot wrench shaft 1, an anti-corrosion layer 3 coated on the top of the cam body 2, the anti-corrosion layer 3 including a chlorosulfonated polyethylene coating layer 301, a polyimide coating layer 302 and a zinc silicate coating layer 303, the chlorosulfonated polyethylene coating layer 301 being located on the top of the polyimide coating layer 302, the polyimide coating layer 302 being located on the top of the zinc silicate coating layer 303, the thickness of the chlorosulfonated polyethylene coating layer 301 being 0.1mm to 0.2mm, the thickness of the polyimide coating layer 302 being 0.15mm to 0.3mm, the thickness of the zinc silicate coating layer 303 being 0.2mm to 0.4mm, the chlorosulfonated polyethylene coating layer 301 having ozone, chemical, oil, heat, light and wear resistance, the polyimide coating layer 302, the polyimide coating layer 302 has good electrical insulation performance, good heat resistance, good irradiation resistance, good mechanical property, high tensile strength, good organic solvent resistance, good ozone resistance, good mildew resistance and good corrosion resistance, the zinc silicate coating layer 303 has good durability, good self-sealing performance and excellent corrosion resistance, high temperature resistance, weather resistance and ultraviolet light aging resistance, the bottom of the cam body 2 is coated with the wear-resistant layer 4, the wear-resistant layer 4 comprises a Teflon coating layer 401 and a polyurethane coating layer 402, the Teflon coating layer 401 is positioned on the top of the polyurethane coating layer 402, the thickness of the Teflon coating layer 401 is 0.1 mm-0.3 mm, the thickness of the polyurethane coating layer 402 is 0.1 mm-0.4 mm, the Teflon coating layer 401 has the performances of non-adhesiveness, heat resistance, no water and oil sticking on the surface and good wear resistance through the polyurethane coating layer 402, the polyurethane coating layer 402 has the advantages of strong adhesion, good wear resistance, high hardness, good chemical resistance and weather resistance.

When in use, the top of the cam body 2 is coated with the anticorrosive coating 3, the anticorrosive coating 3 comprises a chlorosulfonated polyethylene coating layer 301, a polyimide coating layer 302 and a zinc silicate coating layer 303, the chlorosulfonated polyethylene coating layer 301 is positioned on the top of the polyimide coating layer 302, the polyimide coating layer 302 is positioned on the top of the zinc silicate coating layer 303, the chlorosulfonated polyethylene coating layer 301 is provided with ozone resistance, chemical corrosion resistance, oil resistance, heat resistance, light resistance and wear resistance, the polyimide coating layer 302 is provided with good electrical insulation performance, good heat resistance, radiation resistance, good mechanical property, high tensile strength, organic solvent resistance, ozone resistance, mildew resistance and corrosion resistance, the zinc silicate coating layer 303 is provided with good durability, good self-sealing performance, excellent corrosion resistance, high temperature resistance, weather resistance and ultraviolet light aging resistance, and by the matching of the structures, the presser foot spanner cam has the advantages of good corrosion prevention effect, and solves the problems that the conventional presser foot spanner cam has poor corrosion prevention effect when in use, and the cam surface is corroded often when being used for a long time, so that the normal use of the cam is influenced, and the use of people is inconvenient.

While embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various modifications and changes can be made in the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a presser foot spanner cam of sewing machine, includes presser foot spanner axle (1), its characterized in that: the bottom swing joint of presser foot spanner axle (1) has cam body (2), anticorrosive coating (3) are scribbled at the top of cam body (2), anticorrosive coating (3) include chlorosulfonated polyethylene dope layer (301), polyimide dope layer (302) and zinc silicate dope layer (303), wearing layer (4) are scribbled to the bottom of cam body (2).

2. A presser foot wrench cam for a sewing machine as claimed in claim 1, wherein: the wear-resistant layer (4) comprises a Teflon coating layer (401) and a polyurethane coating layer (402), wherein the Teflon coating layer (401) is located at the top of the polyurethane coating layer (402).

3. A presser foot wrench cam for a sewing machine as claimed in claim 2, wherein: the thickness of the Teflon coating layer (401) is 0.1-0.3 mm, and the thickness of the polyurethane coating layer (402) is 0.1-0.4 mm.

4. A presser foot wrench cam for a sewing machine as claimed in claim 1, wherein: the chlorosulfonated polyethylene coating layer (301) is located on top of a polyimide coating layer (302), and the polyimide coating layer (302) is located on top of a zinc silicate coating layer (303).

5. A presser foot wrench cam for a sewing machine as claimed in claim 1, wherein: the thickness of the chlorosulfonated polyethylene coating layer (301) is 0.1-0.2 mm, the thickness of the polyimide coating layer (302) is 0.15-0.3 mm, and the thickness of the zinc silicate coating layer (303) is 0.2-0.4 mm.