阅读说明：本技术 一种机头切换自动绣作方法 (Machine head switching automatic embroidering method ) 是由 马秀珍 于 2020-12-22 设计创作，主要内容包括：本发明涉及绣作领域,提供一种机头切换自动绣作方法,包括以下步骤：A：将布料夹紧在绣框框架内,其中,绣框框架包括至少一个绣作区域；B：在一个绣作区域内进行绣作,绣作时绣花机的机头静止并提供刺绣所需的面线,绣框框架带动布料在X轴方向和Y轴方向运动,X轴方向在水平面上与Y轴方向垂直；C：第二机头关闭,第一个机头绣作完,需要切换到第二个机头的时候,两个机头整体移动一个头距的距离,使其中第二机头针板眼与移动之前第一机头针板眼位置重合,第一机头关闭,第二机头继续进行绣作。采用本发明的绣作方法能够实现绣作的花样重合,同时减少机器长度,提高刺绣速度。(The invention relates to the field of embroidery, and provides a machine head switching automatic embroidery method, which comprises the following steps: a: clamping the cloth in an embroidery frame, wherein the embroidery frame comprises at least one embroidery area; b: embroidering in an embroidering area, wherein the machine head of the embroidering machine is static and provides an upper thread required by embroidering, the tabouret frame drives the cloth to move in the X-axis direction and the Y-axis direction, and the X-axis direction is vertical to the Y-axis direction on the horizontal plane; c: and when the second machine head is closed and the first machine head finishes embroidering, and needs to be switched to the second machine head, the two machine heads integrally move for a distance of one head distance, so that the second machine head needle plate eye is superposed with the first machine head needle plate eye before moving, the first machine head is closed, and the second machine head continues embroidering. The embroidering method of the invention can realize the superposition of embroidering patterns, reduce the length of the machine and improve the embroidering speed.)

1. A machine head switching automatic embroidering method is characterized by comprising the following steps:

a: clamping the cloth in an embroidery frame, wherein the embroidery frame comprises at least one embroidery area;

b: embroidering in an embroidering area, wherein the machine head of the embroidering machine is static and provides an upper thread required by embroidering, the tabouret frame drives the cloth to move in the X-axis direction and the Y-axis direction, and the X-axis direction is vertical to the Y-axis direction on the horizontal plane;

c: when the second machine head is closed and the first machine head finishes embroidering and needs to be switched to the second machine head, the two machine heads integrally move for a distance of one head distance, so that the second machine head needle plate eye is superposed with the first machine head needle plate eye before moving, the first machine head is closed, and the second machine head continues embroidering;

d: if a plurality of regions exist, after one embroidering region is finished, the machine head moves in the X-axis direction, and the machine head is positioned in the next embroidering region to continue embroidering;

e: and D, repeating the step B, the step C and the step D until all the embroidering areas in the embroidery frame are embroidered.

2. The machine head switching automatic embroidering method of claim 1, further comprising:

f: and D, replacing other sections in the cloth into the tabouret frame, and repeating the steps A to E until the embroidering of the cloth is finished.

3. The machine head switching automatic embroidering method of claim 1, wherein the machine head is a combination of a plain embroidering head and a plain embroidering head, or a combination of a plain embroidering head and a special head, or a combination of a special head and a special head, or a combination of more than two machine heads.

4. The machine head switching automatic embroidering method of claim 1 or 2, wherein the machine head is a combination of a plain embroidery head and a plain embroidery head, and the number of needle bars of the plain embroidery machine head is the same.

5. The machine head switching automatic embroidering method of claim 1, 2, 3 or 4, wherein the needles of the first machine head and the second machine head are different in color of facial thread.

6. The machine head switching automatic embroidering method of claim 1, 2 or 3, wherein the first machine head and the second machine head are both fixed on the same machine head shuttle bed moving device.

7. The machine head switching automatic embroidering method of claim 1 or 2, wherein the machine head is a combination of a plain embroidery head and a plain embroidery head, and the number of needle bars of the plain embroidery machine head is different; and the second machine head is superposed with the needle plate hole position of the first machine head before moving to form the superposed needle positions of the leftmost needle positions of the two machine heads.

8. The machine head switching automatic embroidering method of claim 1 or 2, wherein the machine head is a combination of a plain embroidery head and a plain embroidery head, and the number of needle bars of the plain embroidery machine head is different; the second machine head and the position of the needle plate hole of the first machine head before moving coincide to coincide with the rightmost needle position of the two machine heads.

9. The machine head switching automatic embroidering method of claim 1 or 2, wherein the machine head is a combination of a plain embroidery head and a plain embroidery head, and the number of needle bars of the plain embroidery machine head is different; and the second machine head is superposed with the position of the needle plate hole of the first machine head before moving to form corresponding preset needle positions of the two machine heads.

Technical Field

The invention relates to the field of embroidery, in particular to a machine head switching automatic embroidery method.

Background

The existing embroidery machine with automatic cloth rolling head moving realizes the embroidery of the whole breadth by the movement of the machine head, but the machine head is heavier, and the machine head is also provided with a device for driving the machine head, a wire frame device and a device for embroidering special embroidery, such as a scattered bead sequin disc belt and the like, so that the machine head is heavier to bear when in operation. In the moving process of the machine head, the movement speed of the machine head is reduced due to too large weight, so that the machine head cannot move at a high speed, the production efficiency is reduced, and meanwhile, the machine head can shake due to too heavy weight, and the embroidering precision is reduced.

Therefore, it is highly desirable to invent a device and a method capable of increasing the embroidering speed and simultaneously realizing pattern-overlapping embroidering.

Disclosure of Invention

Aiming at a plurality of problems in the prior art, the invention provides the machine head switching automatic embroidering method, which can obviously improve the embroidering speed and simultaneously realize pattern superposition embroidering.

According to a first aspect of the present invention, the present invention provides a machine head switching automatic embroidering method, comprising the steps of:

a: clamping the cloth in an embroidery frame, wherein the embroidery frame comprises at least one embroidery area;

b: embroidering in an embroidering area, wherein the machine head of the embroidering machine is static and provides an upper thread required by embroidering, the tabouret frame drives the cloth to move in the X-axis direction and the Y-axis direction, and the X-axis direction is vertical to the Y-axis direction on the horizontal plane;

c: when the second machine head is closed and the first machine head finishes embroidering and needs to be switched to the second machine head, the two machine heads integrally move for a distance of one head distance, so that the second machine head needle plate eye is superposed with the first machine head needle plate eye before moving, the first machine head is closed, and the second machine head continues embroidering;

d: if a plurality of regions exist, after one embroidering region is finished, the machine head moves in the X-axis direction, and the machine head is positioned in the next embroidering region to continue embroidering;

e: and D, repeating the step B, the step C and the step D until all the embroidering areas in the embroidery frame are embroidered.

F: and D, replacing other sections in the cloth into the tabouret frame, and repeating the steps A to E until the embroidering of the cloth is finished.

The invention has the beneficial effects that:

when the embroidery machine is used for embroidery, the embroidery frame moves along the X axis and the Y axis, after an embroidery area is embroidered, the machine head moves along the X axis, the embroidery frame moves along the Y axis direction, and the embroidery position is changed, so that the embroidery breadth of the machine can be enlarged, the length of the machine can be reduced, the embroidery speed can be increased, and meanwhile, pattern superposition embroidery can be realized.

Drawings

Fig. 1 is a front view of an automatic embroidering machine of a first aspect.

Fig. 2 is a plan view of the automatic embroidering machine of the first aspect.

Fig. 3 is a schematic view of an embroidery area.

Fig. 4 is a perspective view of an automatic embroidering machine of a third aspect.

The embroidery machine comprises a main body 1, a frame 11, a frame 111, a girder 12, an embroidery frame 121, an embroidery area 131, an X axial guide rail, a 132-Y axial guide rail, a head 14, a wire frame 141, a bedplate 15, a camera positioning system 16, a lamp 17, a width of the embroidery area and a length of the embroidery area.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that the invention may be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the invention.

According to a first aspect of the present invention, there is provided an automatic embroidering machine, as shown in fig. 1 and 2, comprising a frame 11 supporting an embroidering machine body 1, an embroidery frame 12, 2 heads 14, a driving device, a table 15, 3 cameras 16, and 4 lamps 17.

The cloth feeding direction is taken as the Y-axis direction, the X-axis direction is vertical to the Y-axis direction on the horizontal plane, and the cloth feeding direction in the figure 2 is from top to bottom.

The machine frame 11 comprises a girder 111, 2 machine heads are arranged on the girder 111, the tabouret frame 12 is horizontally arranged below the 2 machine heads 14, the driving device is used for driving the tabouret frame 12 to move along the X-axis direction and the Y-axis direction and also used for driving the machine heads 14 to move along the X-axis direction, and the bedplate 15 is horizontally arranged below the tabouret frame 12 and is fixedly connected with the machine frame 11.

The tabouret frame 12 includes a cloth clamping device and a cloth tensioning device for clamping and tensioning the cloth.

The head 14 includes a wire frame 141 on the top of the head 14, and the movement of the head 141 brings the wire frame 141 into motion, and the wire frame 141 is used to provide the upper thread required for embroidery. The 2 machine heads 14 can adopt machine heads with the same function, or adopt a larger number of machine heads with different functions, for example, the machine heads are the combination of a plain embroidery head and a plain embroidery head, or the combination of a plain embroidery head and a special head, or the combination of a special head and a special head, or the combination of more than two machine heads. The illustrated machine heads are a combination of flat embroidery heads and flat embroidery heads, the number of needle bars of the flat embroidery machine heads is the same, the colors of needle heads of the two machine heads are different by using facial lines, and one machine head is defined as a first machine head, and the other machine head is defined as a second machine head.

The driving device comprises a frame X-axis driving assembly, a frame Y-axis driving assembly and a machine head shuttle bed moving device, the frame X-axis driving assembly comprises a stepping motor, an X-axis axial control circuit board and an X-axis guide rail 131, the frame Y-axis driving assembly comprises a stepping motor, a Y-axis axial control circuit board and a Y-axis guide rail 132, the embroidery frame 12 is slidably connected with the Y-axis guide rail 132 along the Y-axis direction, and the Y-axis guide rail 132 is slidably connected with the X-axis guide rail 131 along the X-axis direction.

The machine head shuttle bed moving device comprises a screw rod moving assembly and a transmission sliding shaft moving assembly and is used for driving the machine head 14 and the shuttle bed to move along the X-axis direction. The screw rod moving assembly comprises a screw rod motor synchronous wheel, a toothed belt, a ball screw rod arranged along the X direction, a machine head shuttle bed fixing structure, a ball screw rod nut sleeve and a linear guide rail sliding block. The screw motor synchronizing wheel is connected with the machine head stepping motor and drives the ball screw to rotate through a toothed belt, the ball screw nut sleeve is sleeved on the ball screw and forms a ball screw kinematic pair with the ball screw, and is fixedly connected with the machine head shuttle bed fixing structure, the machine head shuttle bed fixing structure is fixedly connected with the linear guide rail sliding block, the machine head 14 and the shuttle bed, and the linear guide rail sliding block is connected with the girder 111 in a sliding mode along the X-axis direction. Under the drive of the stepping motor, the screw motor synchronous wheel rotates and drives the ball screw to rotate, and the rotation of the ball screw drives the ball screw nut sleeve and the machine head shuttle bed fixing structure to move, so that the machine head shuttle bed fixing structure moves along the X-axis direction. The transmission slide shaft moving assembly comprises a slide shaft guide rail and a bearing slide block. The slide shaft guide rail is arranged along the X-axis direction and connected with the machine head shuttle race fixing structure, and is used for bearing most of the pressure of the machine head 14 and the shuttle race so as to stabilize the machine head 14 and the shuttle race.

3 cameras 16 and 4 lamps 17 are arranged right above the bedplate 15, one camera 16 is arranged between the two lamps 17, and the lamps 17 are horizontally arranged and irradiate towards the bedplate 15. The camera 16 is used for positioning the designated position, and embroidering of various special patterns is performed according to the requirements of customers by identifying the special marks on the designated position, for example, embroidering ornaments such as pearls, nails or buttons and the like on the marked position, so that one machine with multiple functions can be realized, and the labor cost is also saved. The designated special mark position of the camera 16 positioning is more fine, the lamp 17 is adopted for irradiation, so that the positioning of the camera 16 is more accurate, and various embroidery machines can be used, such as gold patch embellishment, scattered beads, coiling embroidery and the like.

According to a second aspect of the present invention, the automatic embroidery machine of the first aspect is adopted to perform head switching automatic embroidery, including the steps of:

a: the cloth is clamped in the embroidery frame 12, wherein, as shown in fig. 3, the embroidery frame 12 includes 5 rectangular embroidery areas 121, the length b of the embroidery area 121 is 1000 mm, the width a is 300mm, and the embroidery area can be increased or reduced properly according to the requirements of customers.

B: in an embroidering area 121, an embroidering machine head 14 is stationary and provides an upper thread required for embroidering, and an embroidery frame 12 drives a cloth to move in X-axis and Y-axis directions. The embroidery frame 12 moves in a small range along the X-axis direction and the Y-axis direction, and since the embroidery frame 12 is very light, the moving speed of the embroidery frame 12 is very fast; and because the movement speed of the embroidery frame 12 is very fast, the rotation speed of the machine head 14 can reach more than 1000 rpm. Wherein, the cloth feeding direction is taken as the Y-axis direction, and the X-axis direction is vertical to the Y-axis direction on the horizontal plane.

C: and when the second machine head is closed and the first machine head finishes embroidering, and needs to be switched to the second machine head, the two machine heads integrally move by a distance of one head distance, so that the positions of the second machine head and the needle plate eye of the first machine head before moving are overlapped, the first machine head is closed, and the second machine head continues embroidering. Through the switching of the working of the machine heads, because the needle heads of the two machine heads have different colors of facial lines and the number of the needle rods of the machine heads is the same, the pattern superposition embroidery with different colors is realized.

D: after one embroidery area 121 is finished, the machine head 14 moves in the X-axis direction, and the machine head 14 is positioned at the next embroidery area 121 to continue the embroidery. The scheme that the tabouret frame 12 and the machine head 14 move simultaneously is adopted, so that the control is facilitated, and the cloth is fully utilized.

E: and repeating the step B, the step C and the step D until all the embroidering areas 121 in the embroidery frame 12 are embroidered.

F: and (4) moving other sections in the cloth into the tabouret frame 12, and repeating the steps A to E until the embroidering of the cloth is finished.

In the embodiment, the first machine head is provided with nine needle rods, the second machine head is provided with 9 needle rods, 18 colors can be directly set on the computer, when the tenth color needs to be embroidered, the embroidery frame is fixed, the machine head moves by a head distance, and the color changing mechanism changes the color to the first needle position, so that the first needle position of the second machine head, namely the tenth color, reaches the position where the embroidery can be performed, and the embroidery can be started. The distance between the needle positions at the leftmost side or the rightmost side of the two machine heads is defined as the distance between the machine heads, and the distance between the needle positions corresponding to the two machine heads can be defined as the distance between the machine heads. When the machine head is a combination of a flat embroidery head and a flat embroidery head, if the number of needle bars of the flat embroidery machine head is different; the second machine head and the needle plate eye of the first machine head before moving are superposed to form the superposed needle positions at the leftmost sides of the two machine heads, or the superposed needle positions at the rightmost sides, or the superposed self-defined corresponding needle positions.

According to a third aspect of the present invention, there is provided an automatic embroidering machine capable of performing automatic embroidering by switching a head, comprising: embroidery machine main part, material collecting device and feedway. The feeding device is positioned at one side of the embroidery machine main body and is used for supplying cloth; the material receiving device is positioned on the other side of the embroidery machine main body opposite to one side of the feeding device and used for collecting cloth finished by embroidery.

As shown in fig. 4, the feeding device includes a first electric cloth winding mechanism including a rotary shaft 21, a cloth holder 22 supporting the rotary shaft, and a cloth winding motor driving the rotary shaft to rotate.

As shown in fig. 4, the material receiving device includes a second electric cloth winding mechanism, and the second electric cloth winding mechanism includes a rotating shaft 31, a cloth winding frame 32 supporting the rotating shaft, and a cloth winding motor driving the rotating shaft to rotate.

The cloth clamping device of the tabouret frame 12 comprises a cloth pressing strip and a cloth pressing cylinder, and the cloth pressing cylinder is used for driving the cloth pressing strip to clamp or release cloth in cooperation with a first electric cloth rolling mechanism and a second electric cloth rolling mechanism.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.