Synchronous pulley type color changing device of embroidery machine

Abstract

The utility model provides a synchronous pulley type color changing device of an embroidery machine in the technical field of embroidery machines, which 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 positioning rods in a sleeving manner; 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; two ends of the screw rod are rotatably connected with the left side plate and the right side plate, and the middle part is in threaded connection with the moving block; the motor is arranged on the box body, and the power output end of the motor is connected with the screw rod; one end of the connecting piece is connected with the moving block; the synchronous pulley is rotationally connected with the bottom end of the bottom plate; the two small rotating wheels are rotationally connected with the bottom end of the bottom plate; and the driving belt is sleeved on the synchronous belt wheels and the rotating small wheel and is connected with the other end of the connecting piece. 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 synchronous pulley type embroidery machine. Background Technique

[0002] An embroidery machine, also known as a computer embroidery machine, is the most advanced embroidery machine at present. It can realize high speed and high efficiency of 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 and new technologies. 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] In order 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. In order to displace 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 displaces one stroke, the gears in the gearbox need to rotate several circles, which is not convenient for intuitive detection (moving distance calculation), belonging to indirect detection, and the gearbox has a bloated structure, which not only increases the overall volume but also is inconvenient for installation.

[0005] Therefore, how to provide a color-changing device for a synchronous pulley 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 synchronous pulley 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 synchronous pulley 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, the other end of which 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 connecting piece, one end of which is connected to the moving block;

[0015] A synchronous pulley, which is rotatably connected to the bottom end of the bottom plate;

[0016] Two rotating small wheels, which are rotatably connected to the bottom end of the bottom plate;

[0017] A transmission belt, which is sleeved on each of the synchronous pulleys and the rotating small wheels to form a triangle and is connected to the other end of the connecting piece.

[0018] Further, when the moving block moves from the left extreme position to the right extreme position, the synchronous pulley is driven by the transmission belt to rotate one week.

[0019] Further, it further includes:

[0020] A position detection sensor, which is arranged on the box body, and the detection end of which faces the synchronous pulley.

[0021] Further, the position detection sensor is a magnetic encoder.

[0022] Further, a plurality of round holes are symmetrically arranged on the left side plate and the right side plate, and the limiting rod and the lead screw are both installed on the box body through the round holes.

[0023] The advantages of the present utility model are as follows:

[0024] By arranging the box body, the limiting rod, the moving block, the color-changing rod, the lead screw, the motor, the connecting piece, the synchronous pulley, the rotating small wheel and the transmission belt, 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 synchronous pulley is driven to rotate through the connecting piece and the transmission belt, and when the moving block moves from the left extreme position to the right extreme position, the synchronous pulley just rotates one week; subsequently, the rotation angle of the synchronous pulley is detected by the position detection sensor, and 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

[0025] The present utility model will be further described below in conjunction with embodiments with reference to the accompanying drawings.

[0026] Figure 1 It is a schematic structural view of a color-changing device of a synchronous pulley type embroidery machine of the present utility model.

[0027] Figure 2 It is a front view of a color-changing device of a synchronous pulley type embroidery machine of the present utility model.

[0028] Figure 3 It is a bottom view of a color-changing device of a synchronous pulley type embroidery machine of the present utility model.

[0029] Figure 4 It is a bottom perspective view of a color-changing device of a synchronous pulley type embroidery machine of the present utility model.

[0030] Marking description:

[0031] 100 - A color-changing device of a synchronous pulley type embroidery machine, 1 - box body, 2 - limiting rod, 3 - moving block, 4 - color-changing rod, 5 - lead screw, 6 - motor, 7 - connecting piece, 8 - synchronous pulley, 9 - rotating small wheel, 10 - transmission belt, 11 - left side plate, 12 - right side plate, 13 - bottom plate, 14 - top plate, 111 - round hole. Specific implementation manners

[0032] In an embodiment of the present utility model, by providing a color-changing device 100 of a synchronous pulley type embroidery machine, the technical problem in the prior art that a gearbox is adopted to drive the displacement of the color-changing rod, and the moving distance is calculated by detecting the number of rotation turns of the gears in the gearbox. When the color-changing rod displaces one stroke, the gears in the gearbox need to rotate several turns, which is not convenient for intuitive detection, belongs to indirect detection, and has a bloated structure and inconvenient installation is solved, and the technical effects of greatly improving the position detection and installation of the color-changing device are achieved.

[0033] The technical solution in the embodiment of the present utility model for solving the above problems has the following general idea: The displacement of the color-changing rod 4 is linked by the lead screw 5 and the moving block 3. During the displacement process, the moving block drives the synchronous pulley 8 to rotate through the connecting piece 7 and the transmission belt 10. Through the setting of the transmission ratio, when the moving block 3 moves from the left extreme position to the right extreme position, the synchronous pulley 8 just rotates one week. By detecting the rotation angle of the synchronous pulley 8, 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 convenience of position detection and installation of the color-changing device.

[0034] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the specification drawings and specific implementation manners.

[0035] Please refer to Figures 1 to 4As shown in the figure, a preferred embodiment of a color-changing device for a synchronous pulley type embroidery machine of the present utility model includes:

[0036] 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;

[0037] Two limit rods 2, the two ends of which are respectively installed on the left side plate 11 and the right side plate 12 and are parallel to each other, and are used for the limit sliding of the moving block 3;

[0038] A moving block 3, sleeved on the two limit rods 2, and is limited to move through the limit rods 2, and is used to drive the color-changing rod 4 to displace and drive the synchronous pulley 8 to rotate;

[0039] A color-changing rod 4, one end of which is installed on the moving block 3, and the other end passes through the left side plate 11 and is parallel to the limit rod 2, and is used to install an embroidery needle (not shown) for threading embroidery threads of different colors;

[0040] A lead screw 5, the two ends of which are respectively rotatably connected to the left side plate 11 and the right side plate 12, the middle part of which is threadedly connected to the moving block 3 and is parallel to the limit rod 2; when the lead screw 5 rotates, it drives the moving block 3 to displace synchronously;

[0041] A motor 6, 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;

[0042] A connecting piece 7, one end of which is connected to the moving block 3 and is used to connect the moving block 3 and the transmission belt 10;

[0043] A synchronous pulley 8, rotatably connected to the bottom end of the bottom plate 13, and is used to convert the position of the color-changing rod 4 into a rotation angle;

[0044] Two rotating small wheels 9, rotatably connected to the bottom end of the bottom plate 13;

[0045] A loop of transmission belt 10, sleeved on each of the synchronous pulleys 8 and the rotating small wheels 9 to form a triangle, and is connected to the other end of the connecting piece 7, and is used to drive the synchronous pulley 8 to rotate.

[0046] When the moving block 3 moves from the left extreme position to the right extreme position, it drives the synchronous pulley 8 to rotate one week through the transmission belt 10.

[0047] It further includes:

[0048] A position detection sensor (not shown) is provided on the box body 1, with the detection end facing the synchronous pulley 8 for detecting the rotation angle of the synchronous pulley 8.

[0049] The position detection sensor is a magnetic encoder.

[0050] A number of round holes 111 are symmetrically provided on the left side plate 11 and the right side plate 12, and the limiting rod 2 and the lead screw 5 are both installed on the box body 1 through the round holes 111.

[0051] The working principle of the present utility model:

[0052] 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 synchronous pulley 8 is driven to rotate through the connecting piece 7 and the transmission belt 10. The position detection sensor calculates the position of the color-changing rod 4 through the rotation angle of the synchronous pulley 8.

[0053] In summary, the advantages of the present utility model are as follows:

[0054] By providing a box body, a limiting rod, a moving block, a color-changing rod, a lead screw, a motor, a connecting piece, a synchronous pulley, a rotating small wheel and a transmission belt, 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 synchronous pulley is driven to rotate through the connecting piece and the transmission belt, and when the moving block moves from the left extreme position to the right extreme position, the synchronous pulley just rotates one week. Subsequently, the position detection sensor detects the rotation angle of the synchronous pulley, and the position of the color-changing rod can be quickly judged. Moreover, the overall structure is greatly simplified compared with the traditional gearbox, and finally the convenience of position detection and installation of the color-changing device is greatly improved.

[0055] Although the specific implementation manners 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 rather than used to limit the scope of the present utility model. Equivalent modifications and changes 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 synchronous pulley 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 limit rods, the two ends of which are respectively installed on the left side plate and the right side plate and are parallel to each other; A moving block sleeved on the two limit rods and limited to move through the limit rods; 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 limit rod; 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 limit rod; A motor provided on the box body, and the power output end of which is connected to the lead screw; A connecting piece, one end of which is connected to the moving block; A synchronous pulley rotatably connected to the bottom end of the bottom plate; Two rotating small wheels rotatably connected to the bottom end of the bottom plate; A transmission belt sleeved on each of the synchronous pulleys and the rotating small wheels to form a triangle and connected to the other end of the connecting piece.

2. The color-changing device of a synchronous pulley 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 synchronous pulley is driven to rotate one week through the transmission belt.

3. The color-changing device of a synchronous pulley 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 faces the synchronous pulley.

4. The color-changing device of a synchronous pulley 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 synchronous pulley type embroidery machine according to claim 1, wherein: A plurality of round holes are symmetrically provided on the left side plate and the right side plate, and the limit rods and the lead screw are both installed on the box body through the round holes.

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