Screw type color changing device of embroidery machine

Abstract

The utility model provides a screw type color changing device of an embroidery machine, which belongs to the technical field of embroidery machines and comprises a box body provided with a left side plate, a right side plate, a bottom plate and a top plate; two ends of the two limiting rods are respectively arranged on the left side plate and the right side plate and are parallel to each other; the moving block is arranged on the two limiting rods in a sleeving manner and performs limiting movement through the limiting rods; one end of the color changing rod is mounted on the moving block, and the other end of the color changing rod penetrates through the left side plate and is parallel to the limiting rod; the two ends of the lead screw are rotationally connected with the left side plate and the right side plate respectively, and the middle of the lead screw is in threaded connection with the moving block and parallel to the limiting rod; the motor is arranged on the box body, and the power output end of the motor is connected with the screw rod; the two ends of the screw rod are rotationally connected with the left side plate and the right side plate respectively, and the screw rod is parallel to the limiting rod and provided with a thread; one end of the pin is mounted on the moving block, and the other end of the pin is embedded with the thread. The color changing device has the advantage that the position detection and installation convenience of the color changing device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of embroidery machines, in particular to a color-changing device for a screw-type embroidery machine. Background Art

[0002] An embroidery machine, also known as a computer embroidery machine, is the most advanced embroidery machine in the contemporary era. It can achieve high speed and high efficiency in traditional manual embroidery and can also meet the requirements of "multi-level, multi-functional, unity, and perfection" that cannot be achieved by manual embroidery. It is an electromechanical product embodying a variety of high-techs. With the replacement of manual embroidery by computer embroidery, the computer embroidery machine will also become the main machine type in the embroidery industry.

[0003] To ensure the beauty of embroidered products, generally multiple colors are required to represent different things, so embroidery threads of multiple colors need to be used; during the operation of the embroidery machine, it is necessary to adjust the position of the embroidery needle provided on the color-changing rod so that the embroidery needles threading different-color embroidery threads are in the working position when needed.

[0004] Traditionally, a gearbox (gear set) is used to drive the displacement of the color-changing rod. To move the embroidery needle to the correct position, it is necessary to accurately measure the moving distance (position) of the color-changing rod, and the moving distance can be calculated by the number of rotations of the gears in the gearbox; however, due to the structural characteristics of the gearbox, when the color-changing rod moves one stroke, the gears in the gearbox need to rotate several times, which is not convenient for intuitive detection (calculation of the moving distance), belonging to indirect detection, and the gearbox has a bulky structure, not only increasing the overall volume but also being inconvenient to install.

[0005] Therefore, how to provide a color-changing device for a screw-type embroidery machine to improve the position detection and installation convenience of the color-changing device has become an urgent technical problem to be solved. Summary of the Invention

[0006] The technical problem to be solved by the utility model is to provide a color-changing device for a screw-type embroidery machine to improve the position detection and installation convenience of the color-changing device.

[0007] The utility model is realized as follows: A color-changing device for a screw-type embroidery machine includes:

[0008] A box body provided with a left side plate, a right side plate, a bottom plate, and a top plate; the left side plate, the right side plate, the bottom plate, and the top plate enclose to form a rectangle;

[0009] Two limiting rods, with both ends respectively installed on the left side plate and the right side plate and being parallel to each other;

[0010] A moving block sleeved on the two limiting rods and limited to move through the limiting rods;

[0011] A color-changing rod, one end of which is installed on the moving block, and the other end passes through the left side plate and is parallel to the limiting rod;

[0012] A lead screw, the two ends of which are respectively rotatably connected to the left side plate and the right side plate, the middle part of which is threadedly connected to the moving block and is parallel to the limiting rod;

[0013] A motor, which is arranged on the box body, and the power output end of which is connected to the lead screw;

[0014] A screw rod, the two ends of which are respectively rotatably connected to the left side plate and the right side plate, is parallel to the limiting rod, and is provided with a thread;

[0015] A pin, one end of which is installed on the side surface of the moving block, and the other end is engaged with the thread.

[0016] Further, when the moving block moves from the left extreme position to the right extreme position, the screw rod is rotated one week through the pin.

[0017] Further, it further includes:

[0018] A position detection sensor, which is arranged on the box body, and the detection end is located at the end of the screw rod.

[0019] Further, the position detection sensor is a magnetic encoder.

[0020] Further, a plurality of circular holes are symmetrically arranged on the left side plate and the right side plate, and the limiting rod, the lead screw and the screw rod are all installed on the box body through the circular holes.

[0021] The advantages of the present utility model are as follows:

[0022] By arranging the box body, the limiting rod, the moving block, the color-changing rod, the lead screw, the motor, the screw rod and the pin, the motor drives the lead screw installed in the box body to rotate, the lead screw drives the color-changing rod to displace through the moving block, and the moving block is limited by the limiting rod. During the displacement of the moving block, the screw rod is driven to rotate through the pin, and when the moving block moves from the left extreme position to the right extreme position, the screw rod is rotated one week through the pin; subsequently, the rotation angle of the end of the screw rod is detected by the position detection sensor, so that the position of the color-changing rod can be quickly judged, and the overall structure is greatly simplified compared with the traditional gear box, and finally the convenience of position detection and installation of the color-changing device is greatly improved. Description of the Drawings

[0023] The following further describes the present utility model with reference to the drawings in conjunction with the embodiments.

[0024] Figure 1 It is a schematic structural diagram of a screw-type embroidery machine color-changing device of the present utility model.

[0025] Figure 2 This is the front view of a color-changing device for a screw-type embroidery machine according to the present utility model.

[0026] Figure 3 This is the perspective view of a color-changing device for a screw-type embroidery machine according to the present utility model.

[0027] Marking description:

[0028] 100 - A color-changing device for a screw-type embroidery machine, 1 - Box body, 2 - Limit rod, 3 - Moving block, 4 - Color-changing rod, 5 - Lead screw, 6 - Motor, 7 - Screw, 8 - Pin, 11 - Left side plate, 12 - Right side plate, 13 - Bottom plate, 14 - Top plate, 71 - Thread, 111 - Round hole. Specific implementation manner

[0029] In an embodiment of the present utility model, by providing a color-changing device 100 for a screw-type embroidery machine, the technical problem in the prior art that a gearbox is used to drive the displacement of the color-changing rod, and the moving distance is calculated by detecting the number of rotations of the gear in the gearbox. When the color-changing rod moves one stroke, the gear in the gearbox needs to rotate several circles, which is not convenient for intuitive detection, belongs to indirect detection, and has a bloated structure and inconvenient installation is solved, and the technical effect of greatly improving the position detection and installation convenience of the color-changing device is achieved.

[0030] The technical solution in the embodiment of the present utility model for solving the above problems has the following general idea: The color-changing rod 4 is displaced by the linkage of the lead screw 5 and the moving block 3. During the displacement process, the moving block 3 drives the screw 7 to rotate through the pin 8 and the thread 71. By setting the transmission ratio, when the moving block 3 moves from the left extreme position to the right extreme position, the screw 7 is exactly driven to rotate one week through the pin 8. By detecting the rotation angle of the end of the screw 7, the position of the color-changing rod 4 can be quickly judged, and the overall structure is greatly simplified compared with the traditional gearbox, thereby improving the position detection and installation convenience of the color-changing device.

[0031] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings of the specification and specific implementation manners.

[0032] Please refer to Figures 1 to 3 As shown, a preferred embodiment of a color-changing device 100 for a screw-type embroidery machine according to the present utility model includes:

[0033] A box body 1, provided with a left side plate 11, a right side plate 12, a bottom plate 13 and a top plate 14; the left side plate 11, the right side plate 12, the bottom plate 13 and the top plate 14 enclose a rectangle; the box body 1 is used to carry the color-changing device 100 of the embroidery machine;

[0034] Two limiting rods 2 are respectively installed at both ends on the left side plate 11 and the right side plate 12, and are parallel to each other, and are used for the limiting sliding of the moving block 3;

[0035] A moving block 3 is sleeved on the two limiting rods 2 and is limited to move through the limiting rods 2, and is used for linking the color-changing rod 4 to displace and linking the screw rod 7 to rotate;

[0036] A color-changing rod 4 has one end installed on the moving block 3, and the other end passes through the left side plate 11 and is parallel to the limiting rod 2, and is used for installing embroidery needles (not shown) for threading different-color embroidery threads;

[0037] A lead screw 5 is respectively rotatably connected to the left side plate 11 and the right side plate 12 at both ends, is threadedly connected to the moving block 3 in the middle, and is parallel to the limiting rod 2; when the lead screw 5 rotates, it links the moving block 3 to perform synchronous displacement;

[0038] A motor 6 is arranged on the box body 1, and the power output end is connected to the lead screw 5; the motor 6 is a servo motor and is used to provide power for the displacement of the color-changing rod 4;

[0039] A screw rod 7 is respectively rotatably connected to the left side plate 11 and the right side plate 12 at both ends, is parallel to the limiting rod 2, and is provided with a thread 71 for converting the position of the color-changing rod 4 into a rotation angle;

[0040] A pin 8 has one end installed on the side surface of the moving block 3, and the other end is engaged with the thread 71 for linking the screw rod 7 to rotate.

[0041] When the moving block 3 moves from the left extreme limit to the right extreme limit, the screw rod 7 is linked to rotate one week through the pin 8.

[0042] It further includes:

[0043] A position detection sensor (not shown) is arranged on the box body 1, and the detection end is located at the end of the screw rod 7 and is used for detecting the rotation angle of the screw rod 7.

[0044] The position detection sensor is a magnetic encoder.

[0045] The left side plate 11 and the right side plate 12 are symmetrically provided with a plurality of round holes 111, and the limiting rod 2, the lead screw 5 and the screw rod 7 are all installed on the box body 1 through the round holes 111.

[0046] The working principle of the present utility model:

[0047] The motor 6 drives the lead screw 5 to rotate. The lead screw 5 drives the color-changing rod 4 to displace through the moving block 3. During the displacement of the moving block 3, the pin 8 drives the screw 7 to rotate. The position detection sensor calculates the position of the color-changing rod 4 based on the rotation angle of the screw 7.

[0048] In summary, the advantages of the present utility model are as follows:

[0049] By providing a box body, a limiting rod, a moving block, a color-changing rod, a lead screw, a motor, a screw, and a pin, the motor drives the lead screw installed in the box body to rotate. The lead screw drives the color-changing rod to displace through the moving block, and the moving block is limited by the limiting rod. During the displacement of the moving block, the pin drives the screw to rotate. When the moving block moves from the left extreme position to the right extreme position, the pin drives the screw to rotate one full circle. Subsequently, the position detection sensor detects the rotation angle of the end of the screw, and thus the position of the color-changing rod can be quickly determined. Moreover, the overall structure is greatly simplified compared to the traditional gearbox, ultimately greatly improving the convenience of position detection and installation of the color-changing device.

[0050] Although the specific embodiments of the present utility model have been described above, those skilled in the art of this technology should understand that the specific embodiments we described are illustrative only and not used to limit the scope of the present utility model. Equivalent modifications and variations made by those skilled in the art in accordance with the spirit of the present utility model should all be covered by the scope protected by the claims of the present utility model.

Claims

1. A color-changing device for a screw-type embroidery machine, characterized in that: Comprising: A box body, provided with a left side plate, a right side plate, a bottom plate and a top plate; The left side plate, the right side plate, the bottom plate and the top plate enclose to form a rectangle; Two limiting rods, with both ends respectively installed on the left side plate and the right side plate, and being parallel to each other; A moving block, sleeved on the two limiting rods, and limited to move through the limiting rods; A color-changing rod, with one end installed on the moving block, and the other end passing through the left side plate and being parallel to the limiting rod; A lead screw, with both ends respectively rotatably connected to the left side plate and the right side plate, and the middle part being threadedly connected to the moving block and being parallel to the limiting rod; A motor, provided on the box body, and the power output end being connected to the lead screw; A screw rod, with both ends respectively rotatably connected to the left side plate and the right side plate, being parallel to the limiting rod, and provided with a thread; A pin, with one end installed on the side surface of the moving block, and the other end being engaged with the thread.

2. The color-changing device of a screw-type embroidery machine according to claim 1, characterized in that: When the moving block moves from the left extreme position to the right extreme position, the screw rod is driven to rotate one week through the pin.

3. The color-changing device of a screw-type embroidery machine according to claim 1, characterized in that: Further comprising: A position detection sensor, provided on the box body, and the detection end being located at the end of the screw rod.

4. The color-changing device of a screw-type embroidery machine according to claim 3, characterized in that: The position detection sensor is a magnetic encoder.

5. The color-changing device of a screw-type embroidery machine according to claim 1, characterized in that: The left side plate and the right side plate are symmetrically provided with a plurality of round holes, and the limiting rods, the lead screw and the screw rod are all installed on the box body through the round holes.

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