CN210368195U

CN210368195U - Work feed adjusting shaft assembly

Info

Publication number: CN210368195U
Application number: CN201921258875.6U
Authority: CN
Inventors: 管戴萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-04-21
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a work feed adjustment axle subassembly, including work feed adjustment axle, work feed adjustment axle is equipped with the necking down spindle nose with gauge needle connecting rod link, necking down spindle nose outer end cover is equipped with the connecting ring platform, the overhead end of connecting ring is to having the gauge needle screw of being connected with the gauge needle connecting rod cooperatees downwards, and outside ring platform arc surface terminal surface is equipped with two fastening screws that are the right angle setting each other along perpendicular center axis direction, the cooperation is equipped with adjusting screw on the fastening screw. The utility model discloses the product sets up the connecting ring platform and the necking down spindle nose structure of components of a whole that can function independently through the work feed adjusting spindle that will have now and gauge needle connecting rod cooperation axle head, and the relative necking down spindle nose of connecting ring platform rotates and upper and lower displacement, is convenient for assemble with the adjustable adaptation of gauge needle connecting rod under the great condition of assembly deviation, and the whole assembly flow is simple convenient, has promoted production assembly efficiency by a wide margin, and the suitability is stronger.

Description

Work feed adjusting shaft assembly

Technical Field

The utility model relates to a sewing machine technical field specifically is a work feed adjusting shaft subassembly.

Background

The sewing machine usually comprises a cloth feeding adjusting mechanism for adjusting the seam distance, wherein the cloth feeding adjusting shaft assembly is adopted in the prior art to adjust the cloth feeding into the cloth feeding adjusting mechanism with a simpler structure, but the connection mode of the cloth feeding adjusting shaft and a needle pitch connecting rod in the prior cloth feeding adjusting shaft assembly is that a matched connecting screw hole is directly arranged on the end head to be connected and fixed with the end head of the needle pitch connecting rod, the lower end head of the cloth feeding adjusting shaft is matched with the end head of a base, when the matched size formed by the production and the manufacture of a machine head shell and the base has no deviation or extremely small deviation, the connecting screw hole can be directly connected with the end head of the needle pitch connecting rod, when the matched size deviation is large, the corresponding positions of the two end heads and the matched end surfaces at each part are influenced, the integral disassembly and adjustment alignment are needed, a large amount of assembly production time is spent, and when the condition that, in the production of the existing machine head and the base, certain deviation exists for reducing the cost.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to above-mentioned prior art, a quick convenient strong adaptability's work feed adjustment shaft subassembly of assembly is provided.

In order to achieve the above object, the utility model provides a work feed adjusting shaft subassembly technical scheme does: a cloth feeding adjusting shaft assembly comprises a cloth feeding adjusting shaft, a slider guide plate and a backstitch slider block, wherein the slider guide plate and the backstitch slider block are connected and arranged on the cloth feeding adjusting shaft, a matched notch step groove is formed in the shaft body in the middle of the cloth feeding adjusting shaft, the slider guide plate is fixedly connected to the end face of the notch step groove through screws and limits the backstitch slider assembly, a necking shaft head is arranged at the connecting end of the cloth feeding adjusting shaft and a needle pitch connecting rod, a connecting ring platform with a matching hole in the middle is sleeved at the outer end of the necking shaft head, a needle pitch screw hole matched and connected with the needle pitch connecting rod is formed in the upper end face of the connecting ring platform in a downward mode, two fastening screw holes which are mutually arranged at a right angle are formed in the end face of an arc face of an outer ring platform along the direction perpendicular to the center axis, an adjusting screw is arranged on the fastening screw holes in a, the connecting ring platform can rotate relative to the arc end face at the outer end of the necking shaft head, the needle pitch screw hole matched and connected with the needle pitch connecting rod is arranged on the connecting ring platform, after the shaft part at the lower end of the cloth feeding adjusting shaft is matched and connected with the base, the needle pitch screw hole and the needle pitch connecting rod can be aligned and connected through rotating the connecting ring platform, the adjusting screw correspondingly arranged is screwed in the fastening screw hole to fasten the connecting ring platform and the necking shaft head, and during actual assembly, even if the corresponding machine head shell is crossed with the production process of the base, a large deviation is generated, assembly for connecting the needle pitch connecting rod can be completed through adjustment of the position and the angle of the connecting ring platform, the assembly is simple and fast, the time required by assembly can be greatly reduced, and the production efficiency is improved.

As a further scheme: the thickness of the connecting ring table is consistent with the length of the necking shaft head, the adjusting screws are set to be inner hexagonal flat end fastening screws, the inner hexagonal flat end fastening screws can be integrally screwed in the fastening screw holes to be abutted against the end face of the necking shaft head for fastening, after the inner hexagonal flat end fastening screws are adopted for screwing in and fastening, foreign matter protrusions cannot exist on the outer end face of the connecting ring table, and the situation of interference with other parts is avoided.

As a further scheme: the base spindle nose is arranged at the matching end of the cloth feeding adjusting shaft and the sewing machine base, the connecting through hole is arranged on the base spindle nose and vertically penetrates through the center of the spindle nose, step notches are formed in openings on two sides of the connecting through hole, and the angle of the connecting end entering the connecting through hole can be increased by arranging the step notches in openings on two sides of the connecting through hole, so that the whole assembly is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the product sets up the connecting ring platform and the necking down spindle nose structure of components of a whole that can function independently through the work feed adjusting spindle that will have now and gauge needle connecting rod cooperation axle head, and the relative necking down spindle nose of connecting ring platform rotates and upper and lower displacement, is convenient for assemble with the adjustable adaptation of gauge needle connecting rod under the great condition of assembly deviation, and the whole assembly flow is simple convenient, has promoted production assembly efficiency by a wide margin, and the suitability is stronger.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a cloth feeding adjustment shaft assembly of the present invention.

Fig. 2 is a schematic side view of an embodiment of a cloth feeding adjustment shaft assembly according to the present invention.

Fig. 3 is a schematic structural view of a connecting ring table in the cloth feeding adjusting shaft assembly of the present invention.

In fig. 1 to 3: the cloth feeding adjusting shaft 1, the slider guide plate 2, the backstitch slider block 3, the connecting ring table 4, the adjusting screw 5, the necking shaft head 11, the base shaft head 12, the notch step groove 13, the connecting through hole 14, the needle pitch screw hole 41, the fastening screw hole 42 and the matching hole 43.

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.

Referring to fig. 1-3, an embodiment of the present invention is: a cloth feeding adjusting shaft assembly comprises a cloth feeding adjusting shaft 1, a slider guide plate 2 and a backstitch slider block 3, wherein the slider guide plate 2 and the backstitch slider block 3 are connected and arranged on the cloth feeding adjusting shaft, a matched notch step groove 13 is formed in the shaft body in the middle of the cloth feeding adjusting shaft 1, the notch step groove 13 is formed into a double-layer raised step groove, the slider guide plate 3 is fixedly connected to the end face of a first step in the notch step groove through screws, the backstitch slider block 3 is arranged on the end face of a second step, the slider guide plate 3 abuts against the outer end of the backstitch slider block 3 to limit, a necking shaft head 11 is arranged at the connecting end of the cloth feeding adjusting shaft and a stitch connecting rod, a connecting ring table 4 with a matching hole 43 in the middle is sleeved at the outer end of the necking shaft head 11, a stitch screw hole 41 matched and connected with the stitch connecting rod is formed in the downward direction of the upper, the fastening screw hole 42 is provided with an adjusting screw 5 in a matching way, on the basis of the prior art, the end part of the cloth feeding adjusting shaft 1 and the end part of the needle pitch connecting rod matching shaft head is provided with a structure that a connecting ring platform 4 and a necking shaft head 11 are sleeved and connected in a split way, the connecting ring platform 4 can rotate relative to the arc end surface of the outer end of the necking shaft head, the connecting ring platform is provided with a needle pitch screw hole 41 which is connected with a needle pitch connecting rod in a matching way, after the shaft part at the lower end of the cloth feeding adjusting shaft is connected with a base in a matching way, the needle pitch screw hole and the needle pitch connecting rod can be connected in an aligned way by rotating the connecting ring platform, and the connecting ring platform and the necking shaft head are fastened by screwing the correspondingly arranged adjusting screw 5 into the fastening screw hole, during actual assembly, even if the corresponding process of production and manufacture of a machine head shell and the base is crossed, and the assembly is simple and fast, the time required by the assembly can be greatly reduced, and the production efficiency is improved.

In addition, the thickness of the connecting ring platform 4 in the embodiment is consistent with the length of the necking shaft head 11, the assembling and the using are convenient, the matching hole 43 is in butt-joint matching and sleeving connection with the necking shaft head 11, the adjusting screw 5 is set to be an inner hexagonal flat end fastening screw and can be integrally screwed into the fastening screw hole to be abutted against the end face of the necking shaft head for fastening, after the inner hexagonal flat end fastening screw is screwed in and fastened, foreign matter protrusions cannot be arranged on the outer end face of the connecting ring platform, and the condition of interference with other parts is avoided. In addition, a base shaft head 13 is arranged at the matching end of the cloth feeding adjusting shaft and the sewing machine base, a connecting through hole 14 is formed in the base shaft head, the connecting through hole 14 vertically penetrates through the center of the shaft head, step notches are formed in openings on two sides of the connecting through hole, the angle of the connecting end entering the connecting through hole can be increased due to the step notches formed in openings on two sides of the connecting through hole, and overall assembly is facilitated.

The principle of the utility model is that: the utility model has the advantages that the existing cloth feeding adjusting shaft 1 and the needle distance connecting rod matching shaft end are arranged into the structure of the connecting ring platform 4 and the necking down shaft head 11 which are separated, the connecting ring platform 4 is provided with the matching hole 43 which is sleeved on the end surface of the necking down shaft head 11 and can rotate and move up and down relative to the necking down shaft head, wherein the needle distance screw hole matched with the needle distance connecting rod is arranged on the end surface of the connecting ring platform 4, on the basis that the whole connecting ring platform 4 can be easily adjusted, after the base shaft head 13 finishes the assembly connection, in order to realize the assembly connected with the needle distance, only the matching relation between the needle distance screw hole 41 in the connecting ring platform 4 and the needle distance connection needs to be adjusted, because the whole adjusting space is larger, the assembly can be adapted to the production deviation of the existing machine head shell and the base, and the assembly mode is simple, only the adjusting screw 5 needs to be connected, the screwing assembly, and the condition of scrapping and wasting of large-cost components such as the machine head shell or the base and the like caused by overlarge production deviation is avoided.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a work feed adjustment axle subassembly, includes work feed adjustment axle and connects and set up in epaxial slider baffle of work feed adjustment, backstitch slider chunk, complex breach step groove has been seted up to work feed adjustment axle middle part axle body, the slider baffle passes through screw fixed connection in breach step groove terminal surface and spacing backstitch slider assembly, its characterized in that: work feed adjusting shaft is equipped with the necking down spindle nose with gauge needle connecting rod link, necking down spindle nose outer pot head is equipped with the connecting ring platform that the middle part was equipped with the mating holes, the overhead end of connecting ring is equipped with the gauge needle screw of being connected with the gauge needle connecting rod cooperatees downwards, and outside ring platform arc surface terminal surface is equipped with two fastening screws that are the right angle setting each other along perpendicular center axis direction, the cooperation is equipped with adjusting screw on the fastening screw.

2. A feed adjustment shaft assembly as defined in claim 1, wherein: the thickness of the connecting ring platform is consistent with the length of the necking shaft head, and the adjusting screw is a hexagon socket flat end fastening screw which can be integrally screwed into the fastening screw hole to abut against the end face of the necking shaft head for fastening.

3. A feed adjustment shaft assembly as defined in claim 1, wherein: the base shaft head is arranged at the matching end of the cloth feeding adjusting shaft and the sewing machine base, the connecting through hole is formed in the base shaft head and vertically penetrates through the center of the shaft head, and step notches are formed in openings on two sides of the connecting through hole.