CN219490370U

CN219490370U - Sewing machine mould security mechanism

Info

Publication number: CN219490370U
Application number: CN202320473353.8U
Authority: CN
Inventors: 曾邦达; 温世勇
Original assignee: Guangxi Bangqi Leather Co ltd
Current assignee: Guangxi Bangqi Leather Co ltd
Priority date: 2023-03-13
Filing date: 2023-03-13
Publication date: 2023-08-08
Anticipated expiration: 2033-03-13

Abstract

The utility model discloses a sewing machine die-mounting and preventing mechanism, wherein one end of an XY double-shaft shifting structure is connected with a machine base, a material supporting plate is connected with the other end of the XY double-shaft shifting structure, a bayonet seat is arranged at the other end of the material supporting plate or the XY double-shaft structure and is suitable for limiting a position to be sewn of a superposed body on the material supporting plate and preventing the position to be sewn from moving relative to the material supporting plate. The material supporting sheet is suitable for placing a superposed body to be sewn, the bayonet seat is suitable for limiting the position to be sewn of the superposed body, the XY double-shaft shifting structure drives the superposed body to move in the sewing process of the sewing machine, the position to be sewn of the superposed body moves along a preset track, and a preset suture line is sewn on the superposed body; in the sewing process, the hand of the operator can be far away from the overlapped body to be sewn without maintaining the overlapped body, so that the hand of the operator is safely protected.

Description

Sewing machine mould security mechanism

Technical Field

The utility model relates to the field of sewing, in particular to a sewing machine die security mechanism.

Background

With the continuous improvement pursued by people, part of the sub-bags need to be sewn with small leather blocks, such as hollowed small pattern blocks, for example, small pressing blocks suitable for covering handle ends/chain ends and the like; alternatively, the bag handles may be attached to the metal trim ring by small strips. Specifically, the leather piece which is not folded into a bag shape is laid on a sewing platform (sewing machine platform), then the small leather piece is stacked on the leather piece, or small piece strips which are pre-bound with metal decorative rings are stacked, then an operator presses the stacked body and drives the stacked body to move along a preset path, and a sewing machine head is used for sewing the stacked body to form a preset suture line so as to fasten and connect the leather piece and the small leather piece overlapping area and the leather piece and small piece strip overlapping area to be the to-be-sewn part of the stacked body.

The sewing machine is provided with a main mechanism of a sewing machine head and a sewing platform, the sewing process needs an operator to press the small overlapped body at any time, the operator fingers are close to the continuously-jumped sewing needle at any time, and the sewing machine head forms a certain safety threat to the operator fingers.

Disclosure of Invention

The utility model aims at solving at least one of the technical problems, and provides a sewing machine mould security mechanism, wherein a superposed body to be sewn is placed on a flat supporting material sheet, the position to be sewn of the superposed body is positioned through a bayonet seat on the supporting material sheet, the superposed body is driven to move by the supporting material sheet, and hands of an operator are not required to be close to the superposed body to be sewn in the process of continuously jumping a sewing needle.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a sewing machine mould security protection mechanism, includes frame, XY biax shift structure, holds in the palm tablet and bayonet socket, the one end of XY biax shift structure is connected the frame, hold in the palm the tablet is connected the other end of XY biax shift structure, hold in the palm the tablet and be suitable for placing the coincide body of waiting to seam, XY biax shift structure is suitable for the drive the coincide body is along X axial and/or Y axial removal, the bayonet socket sets up hold in the palm the tablet or the XY biax shift structure the other end, the bayonet socket is suitable for to be limited hold in the palm the position of waiting to stitch of the coincide body on the tablet, prevent to wait to stitch the position relatively hold in the palm the tablet and remove.

Compared with the prior art, the beneficial effects of this application include: the bayonet seat is arranged in a preset shape based on the part to be sewn of the overlapped body to be sewn, so that a bayonet seat with a rated model is formed; the material supporting sheet is suitable for placing a superposed body to be sewn, the bayonet seat is suitable for limiting the position to be sewn of the superposed body, the XY double-shaft shifting structure drives the superposed body to move in the sewing process of the sewing machine, the position to be sewn of the superposed body moves along a preset track, and a preset suture line is sewn on the superposed body; in the sewing process, the hand of the operator can be far away from the overlapped body to be sewn without maintaining the overlapped body, so that the hand of the operator is safely protected.

As an improvement of the above technical solution, the other end of the XY biaxial displacement structure is connected with a presser foot through a connecting rod structure and a cylinder, and the connecting rod structure and the cylinder are adapted to drive the presser foot to open or close relative to the supporting sheet, so that the stacked body on the supporting sheet is opened or pressed by the presser foot.

As an improvement of the above technical solution, the bayonet mounts are provided on the supporting sheet and are provided in plurality, and the plurality of bayonet mounts respectively define different superposed bodies.

As an improvement of the technical scheme, the bayonet seat is arranged on the presser foot, the presser foot presses the material supporting sheet, the bayonet seat clamps the superposition body, and the presser foot is far away from the material supporting sheet, and the bayonet seat is far away from the superposition body.

As an improvement of the technical scheme, the presser foot is a U-shaped sheet metal strip, the bayonet seat is made of honeycomb paperboard, and the sheet metal strip extends along the edge of the bayonet seat so as to be connected with the edge of the bayonet seat.

As an improvement of the technical scheme, the material supporting sheet is an acrylic sheet or a glass fiber sheet.

As the improvement of above-mentioned technical scheme, XY biax shift structure the other end sets up the mounting bracket, it is in to hold in the palm the tablet setting is in on the mounting bracket, presser foot sliding connection the mounting bracket makes the presser foot can reciprocate, and the middle part of a crank spare articulates the mounting bracket, the one end of crank spare articulates the piston rod of cylinder, the shell of cylinder articulates the mounting bracket, the other end of crank spare is provided with spacing spout, the presser foot is provided with and is suitable for the sliding block of activity in the spacing spout.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a front view of a sewing machine pattern security mechanism in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic view of a part of the structure of FIG. 1;

FIG. 3 is a front view of a sewing machine pattern security mechanism in accordance with an embodiment of the present utility model;

fig. 4 is a partial schematic structure of fig. 3.

A housing 100;

an XY biaxial displacement structure 200, an X-axis displacement structure 210, a Y-axis displacement structure 220, and a mounting frame 230;

a carrier web 300;

the bayonet mount 400 is provided with a locking means,

cylinder 510, crank 520, limit chute 521;

presser foot 600, slider 610.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a sewing machine pattern security mechanism, comprising a machine base 100, an XY biaxial displacement structure 200, a supporting material sheet 300 and a bayonet base 400, wherein one end of the XY biaxial displacement structure 200 is connected with the machine base 100, the supporting material sheet 300 is connected with the other end of the XY biaxial displacement structure 200, the supporting material sheet 300 is suitable for placing a stacked body to be sewn, the XY biaxial displacement structure 200 is suitable for driving the stacked body to move along an X axis and/or a Y axis, the bayonet base 400 is arranged at the other end of the supporting material sheet 300 or the XY biaxial displacement structure, and the bayonet base 400 is suitable for limiting a position to be sewn of the stacked body on the supporting material sheet 300 and preventing the position to be sewn from moving relative to the supporting material sheet 300.

Referring to fig. 1 and 3, the x-axis direction is the left-right direction (lateral direction); the Y-axis direction is the front-back direction (longitudinal direction). The present utility model is a mechanism provided on a sewing machine, so it is understood that the housing 100 is actually the base of the sewing machine.

The XY biaxial displacement structure 200 is a conventional structure, commonly found in various numerical control machine tools; the utility model can be that the machine base 100, the Y-axis shifting structure 220, the X-axis shifting structure 210 and the material supporting sheet 300 are sequentially connected, or that the machine base 100, the X-axis shifting structure 210, the Y-axis shifting structure 220 and the material supporting sheet 300 are sequentially connected, one of the X-axis shifting structure 210 and the Y-axis shifting structure 220 carries out primary shifting, and the other carries out secondary shifting. The X-axis displacement structure 210 and the Y-axis displacement structure 220 are commonly combined structures of a motor and a roller screw nut pair/a belt/a rack and pinion, etc., the secondary displacement is connected to a first-stage displacement nut block/slider, and the material supporting sheet 300 is connected to the second-stage displacement nut block/slider. In some arrangements of the present utility model, the following mounting bracket 230 is integrally formed with a two-stage shifted nut block/slide.

It is understood that the structure of the sewing machine head and the sewing platform is conventional; not shown in fig. 1 to 4, the sewing machine head is located above the holding sheet 300 and the bayonet 400, and the sewing platform is located below the holding sheet 300 and the bayonet 400; namely, a superimposed body to be sewn is arranged between the sewing machine head and the sewing platform. The structure of the sewing machine head and the structure of the sewing platform are matched, so that the overlapped body between the sewing machine head and the sewing platform is sewn with sewing threads.

Referring to fig. 3, the portion to be sewn on the stacked body is an approximately circular portion adapted to be caught by the circular bayonet of fig. 3, and the bayonet mount 400 is formed in a molded shape based on the portion to be sewn on the stacked body, forming a bayonet mount having a rated model, and defining/fixing the portion to be sewn on the stacked body in the molded shape. Referring to fig. 3, the stacked body is adapted to be placed on the carrier 300, the bayonet mount 400 defines a portion of the stacked body to be sewn, and the sewing head and the sewing platform are intermittently engaged, i.e., intermittent needling of the portion of the stacked body to be sewn with the sewing needle with the thread, so that the stacked body between the sewing head and the sewing platform is sewn with the sewing thread.

Compared with the prior art, the beneficial effects of this application include: the bayonet mount 400 is provided with a preset shape based on the part to be sewn of the overlapped body to be sewn, so as to form a bayonet mount with a rated model; the material supporting sheet 300 is suitable for placing a superposed body to be sewn, the bayonet seat 400 is suitable for limiting the position to be sewn of the superposed body, the superposed body is driven to move by the XY double-shaft shifting structure 200 in the sewing process of the sewing machine, the position to be sewn of the superposed body is enabled to move along a preset track, and a preset suture line is sewn on the superposed body; in the sewing process, the hand of the operator can be far away from the overlapped body to be sewn without maintaining the overlapped body, so that the hand of the operator is safely protected.

In some embodiments of the present utility model, a plurality of bayonet mounts 400 are provided on the carrier web 300, the plurality of bayonet mounts 400 each defining a different stack. In the present utility model, when the operator places the to-be-sewn stacked body on the material supporting sheet 300, the to-be-sewn portions on the stacked body are synchronously clamped into the bayonet bases 400. In the present utility model, the bayonet mount 400 is disposed on the carrier 300, and the portion to be stitched of the stacked body faces downward. The material supporting plate 300 is suitable for placing the overlapped body to be sewn, the material supporting plate 300 is a large part, the material supporting plate 300 is provided with a plurality of different bayonet seats 400, and the material supporting plate 300 with the bayonet seats 400 can be suitable for overlapped bodies of a plurality of different positions to be sewn.

Referring to fig. 1 and 2, in some embodiments of the present utility model, the other end of the XY biaxial displacement structure 200 is connected to a presser foot 600 through a link structure and a cylinder 510, and the link structure and the cylinder 510 are adapted to drive the presser foot 600 to open or close with respect to the carrier web 300, so that the stacked body on the carrier web 300 is opened or pressed by the presser foot 600.

Referring to fig. 2 and 4, in some embodiments of the utility model, the bayonet mount 400 is disposed on the presser foot 600, the presser foot 600 presses the carrier web 300 while the bayonet mount 400 is clamping the stack, and the presser foot 600 is away from the carrier web 300 while the bayonet mount 400 is away from the stack. In the present utility model, the bayonet mount 400 is disposed on the presser foot 600, and the portion to be sewn of the stacked body faces upward. After the operator places the to-be-stitched stacked body on the material supporting sheet 300, when the presser foot 600 is pressed down to gradually approach the to-be-stitched stacked body, the operator gradually adjusts the stacked body, so that the to-be-stitched portion of the stacked body is accurately clamped into the bayonet mount 400. Preferably, at least two reference alignment bars are disposed on the holding sheet 300, the at least two reference alignment bars are suitable for positioning the overlapped body, when an operator places the overlapped body to be sewn on the holding sheet 300, the overlapped body is initially positioned by using the at least two reference alignment bars as alignment objects, the overlapped body is pressed by the presser foot 600 at a more accurate position, and the position to be sewn is also clamped into the bayonet seat 400 on the presser foot 600 at the more accurate position.

Referring to fig. 3 and 4, in some embodiments of the utility model, the presser foot 600 is a U-shaped strip of sheet metal, the bayonet mount 400 being made of honeycomb cardboard, the strip of sheet metal extending along the edges of the bayonet mount 400 to connect the edges of the bayonet mount 400. The honeycomb paperboard is a paper box board used in daily life. In the utility model, the presser foot 600 is made of metal, and a U-shaped sheet strip can be adopted to have stronger clamping force, and a larger space for observing the bayonet base 400 is reserved outside the shape of the presser foot 600.

In some embodiments of the utility model, the carrier web 300 is an acrylic web or a fiberglass web. The material supporting sheet 300 is made of acrylic/glass fiber, the material supporting sheet 300 can be made to be thinner, has stronger hardness, and has better impact toughness of acrylic and glass fiber.

Referring to fig. 2, in some embodiments of the present utility model, the other end of the XY biaxial displacement structure 200 is provided with a mounting frame 230, a material supporting sheet 300 is provided on the mounting frame 230, a presser foot 600 is slidably connected to the mounting frame 230 such that the presser foot 600 can move up and down, a middle portion of a crank member 520 is hinged to the mounting frame 230, one end of the crank member 520 is hinged to a piston rod of a cylinder 510, a housing of the cylinder 510 is hinged to the mounting frame 230, the other end of the crank member 520 is provided with a limit chute 521, and the presser foot 600 is provided with a sliding block 610 adapted to move in the limit chute 521.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present utility model should be covered in the scope of the technical solution of the present utility model.

Claims

1. A sewing machine pattern security mechanism, comprising:

a base;

one end of the XY biaxial displacement structure is connected with the base;

the material supporting sheet is connected with the other end of the XY double-shaft shifting structure, the material supporting sheet is suitable for placing a superposed body to be sewn, and the XY double-shaft shifting structure is suitable for driving the superposed body to move along the X axis and/or the Y axis;

the bayonet seat is arranged at the other end of the support material sheet or the XY double-shaft shifting structure and is suitable for limiting a to-be-stitched part of the overlapping body on the support material sheet and preventing the to-be-stitched part from moving relative to the support material sheet.

2. The sewing machine pattern security mechanism of claim 1, wherein the other end of the XY biaxial displacement structure is connected to a presser foot via a link structure and a cylinder, the link structure and the cylinder being adapted to drive the presser foot to open or close relative to the carrier web such that the stacked body on the carrier web is opened or pressed by the presser foot.

3. The sewing machine pattern security mechanism of claim 1 or 2, wherein the bayonet mount is provided on the carrier web and is provided in plurality, the plurality of bayonet mounts defining different ones of the stacked bodies, respectively.

4. The sewing machine pattern security mechanism of claim 2, wherein the bayonet mount is disposed on the presser foot, the presser foot pressing against the carrier web while the bayonet mount clamps the stack, the presser foot being spaced from the carrier web while the bayonet mount being spaced from the stack.

5. The sewing machine pattern security mechanism of claim 4, wherein the presser foot is a U-shaped strip of sheet metal and the bayonet mount is made of honeycomb cardboard, the strip of sheet metal extending along the bayonet mount edge to connect the bayonet mount edge.

6. The sewing machine pattern security mechanism of claim 1 or 2, wherein the carrier sheet is an acrylic sheet or a fiberglass sheet.

7. The sewing machine pattern security mechanism of claim 2, wherein the other end of the XY biaxial displacement structure is provided with a mounting frame, the holding sheet is provided on the mounting frame, the presser foot is slidably connected to the mounting frame so that the presser foot can move up and down, the middle part of a crank member is hinged to the mounting frame, one end of the crank member is hinged to a piston rod of the cylinder, a housing of the cylinder is hinged to the mounting frame, the other end of the crank member is provided with a limit chute, and the presser foot is provided with a sliding block adapted to move in the limit chute.