Reloading mechanism applied to color changing mechanism of multi-color disc belt of embroidery machine

Abstract

A reloading mechanism applied to a color changing mechanism of a multicolor disc belt of an embroidery machine comprises a fixed plate, a movable plate, a driving mechanism and a clamping mechanism, a fall guide mechanism connected with the movable plate is arranged on the reloading mechanism, and a vertical moving mechanism used for being matched with the fall guide mechanism is arranged on the movable plate. When the moving plate is driven by the driving mechanism to move back and forth, the guide block on the moving plate can just move between the first stroke and the second stroke, so that the height of the coiling rope wheel assembly on the moving plate can be always matched with the height of a clamping seat on a left-right moving mechanism or a needle rod mechanism; therefore, the position on the left-right moving mechanism can be arranged at the position higher than that on the needle rod mechanism, so that the standby tape rope wheel assembly can be far away from the sewing platform, enough space is reserved at the bottom for overhauling work, and the situation that sewing work is interfered due to the fact that the standby tape rope wheel assembly pulls a sewing thread is avoided.

Description

Technical Field

[0001] This utility model belongs to the technical field of embroidery machine equipment, specifically relating to a color-changing mechanism applied to the color-changing mechanism of a multi-color disc belt in an embroidery machine. Background Technology

[0002] The applicant previously disclosed an automatic multi-color ribbon changing embroidery machine, Chinese patent application number CN202310080272.6, which specifically includes a machine housing beam, a needle bar mechanism for driving the thread output, a sewing platform for placing fabric for embroidery sewing, several color-changing heads loaded with different colored ribbons, a sewing station for the color-changing heads to enter and be installed for embroidery sewing, and a changing mechanism connected to the needle bar mechanism for changing the corresponding color-changing heads into the sewing station. The structure includes a left-right moving mechanism for moving the color-changing head to a position directly opposite the sewing station, and a cutting mechanism for cutting the ribbon after the embroidery sewing is completed. In this structure, the changing mechanism uses a gripper to disengage the clamp on the color-changing head from the clamp seat, and then uses a front-back moving mechanism to move the color-changing head back and forth between the needle bar mechanism and the left-right moving mechanism, thereby realizing the changing of the ribbon. The changing mechanism enables the quick replacement of different colored ribbons during sewing, thereby improving sewing efficiency.

[0003] However, since the forward and backward moving mechanism's movement path is horizontal, it needs to be positioned directly behind the needle bar mechanism to ensure that the spare color-changing head and the color-changing head on the sewing station are on the same plane for easy replacement. Because the color-changing head on the sewing station needs to be close to the sewing platform for sewing, the spare color-changing head on the left and right moving mechanism will also move closer to the sewing platform. This reduces the space behind the color-changing mechanism and shortens the distance between it and the sewing platform. When maintenance is needed behind the color-changing mechanism, there is insufficient space for operation, making maintenance difficult. Furthermore, if the spare color-changing head is too close to the sewing platform, it may pull on the thread during movement, interfering with the sewing process. Therefore, this structure lacks fault tolerance. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, this utility model provides a color-changing mechanism for use in the color-changing mechanism of a multi-color tape in an embroidery machine.

[0005] The technical solution adopted by this utility model to solve its technical problem is:

[0006] A color-changing mechanism applied to the multi-color tape changing mechanism of an embroidery machine includes a fixed plate mounted on the machine housing beam, a movable plate slidably mounted on the fixed plate, a drive mechanism mounted on the fixed plate for driving the movable plate to move back and forth, and a clamping mechanism mounted on one end of the movable plate for clamping the tape pulley assembly. The movable plate drives the tape pulley assembly to move between a left-right moving mechanism and a needle bar mechanism with a height difference through the clamping mechanism. A drop guide mechanism connected to the movable plate is provided on one side of the fixed plate.

[0007] The drop guide mechanism includes a side plate disposed on one side of the fixed plate, a guide stroke disposed on the side plate, and a guide block that cooperates within the guide stroke. The guide block is mounted on the movable plate, and the guide block, in cooperation with the guide stroke, causes the movable plate to move left and right while also moving up or down.

[0008] Furthermore, the guide stroke includes a horizontally arranged first stroke, a second stroke, and an inclined transition stroke. The position of the second shaped guide stroke is higher than the position of the first stroke. The transition stroke connects the first stroke and the second shaped guide stroke. The height difference between the first stroke and the second shaped guide stroke is equal to the height difference between the left-right moving mechanism and the needle bar mechanism.

[0009] In this utility model, the driving mechanism includes a drive motor disposed at one end of a fixed plate, a drive wheel mounted on the shaft of the drive motor, and a driven wheel rotatably mounted at the other end of the fixed plate. The drive wheel and the driven wheel are connected by a belt. When the drive motor rotates, it drives the belt to move through the drive wheel and the driven wheel. The moving plate is connected to the belt and moves back and forth with the belt.

[0010] Furthermore, the movable plate is provided with a horizontal moving mechanism for moving in the front-to-back direction and a vertical moving mechanism for moving in the vertical direction. The horizontal moving mechanism includes a horizontal slide rail disposed at the bottom of the fixed plate and a horizontal slider slidably engaged on the slide rail. The bottom of the horizontal slider is provided with a connecting block for connecting to a belt.

[0011] Furthermore, the connecting block is provided with a pressure block that presses a portion of the belt onto the connecting block, and the pressure block is provided with pressure teeth for preventing the belt from sliding relative to the connecting block.

[0012] Furthermore, the vertical moving mechanism includes a vertical slide rail disposed on the side of the connecting block near the side plate and a vertical slider slidably engaged on the vertical slide rail, and the moving plate is mounted on the vertical slider.

[0013] In this invention, the guide block is a rotating bearing.

[0014] In this invention, the guide stroke can be a groove or a through hole.

[0015] This utility model has the following advantages and beneficial effects:

[0016] The changing mechanism is equipped with a drop guide mechanism that connects to the moving plate, and the moving plate is equipped with a vertical moving mechanism that works in conjunction with the drop guide mechanism. When the moving plate is driven back and forth by the drive mechanism, the guide block on the moving plate can also move between the first stroke and the second stroke, so that the height of the coiled rope wheel assembly on the moving plate can always match the height of the clamp on the left and right moving mechanism or the needle bar mechanism. This allows the position on the left and right moving mechanism to be set higher than that on the needle bar mechanism, so that the spare coiled rope wheel assembly can be far away from the sewing platform, leaving enough space at the bottom for maintenance work and preventing the spare coiled rope wheel assembly from pulling the thread and interfering with the sewing work. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0018] Figure 1 This is a schematic diagram of the color-changing mechanism in this embodiment;

[0019] Figure 2 This is a side view of the color-changing mechanism in this embodiment;

[0020] Figure 3 This is a schematic diagram of the changing mechanism in this embodiment;

[0021] Figure 4 This is a front view of the changing mechanism in this embodiment;

[0022] Figure 5 This is a rear view of the changing mechanism in this embodiment;

[0023] Figure 6 This is a bottom view of the changing mechanism in this embodiment. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. However, this utility model is not limited to the following embodiments.

[0025] like Figures 1 to 6As shown, this embodiment discloses a changing mechanism applied to a multi-color tape changing mechanism of an embroidery machine. The changing mechanism includes a machine housing beam 1, a needle bar mechanism 2 installed in front of the machine housing beam 1 for driving the sewing thread output, a tape reel assembly 3 installed at the bottom of the needle bar mechanism 2 for sewing, a changing mechanism 5 for changing the sewing mechanism 3, and a cutting mechanism 6 installed at the bottom of the machine housing beam 1 for cutting the tape before changing the color. The changing mechanism 4 is installed behind the needle bar mechanism 2. The changing mechanism also includes a left-right moving mechanism 5 located between the needle bar mechanism 2 and the changing mechanism 4. The left-right moving mechanism 5 is equipped with multiple spare tape reel assemblies 30 loaded with different color tapes. The changing mechanism 4 moves the tape reel on the needle bar mechanism 2... The wheel assembly 3 is disassembled and sent to the left and right moving mechanism 5 for hanging. Then, the left and right moving mechanism 5 moves the spare coiled rope wheel assembly 30 to be used between the changing mechanism 4 and the needle bar mechanism 2. The changing mechanism 4 sends the spare coiled rope wheel assembly 30 to the needle bar mechanism 2 for installation, thereby realizing the changing. The top of the coiled rope wheel assembly 3 is provided with a clamp 31. The bottom of the left and right moving mechanism 5 and the needle bar mechanism 2 are provided with clamping seats for clamping and installation with the clamp 31. The clamping seat on the left and right moving mechanism 5 is higher than the clamping seat on the needle bar mechanism 2 so that the spare coiled rope wheel assembly 30 can be far away from the sewing platform, thereby leaving enough space for maintenance work and avoiding the spare coiled rope wheel assembly 30 pulling the sewing thread and interfering with the sewing work.

[0026] Specifically, the changing mechanism 4 includes a fixed plate 41 mounted on the chassis beam 1, a movable plate 42 slidably mounted on the fixed plate 41, a driving mechanism 43 mounted on the fixed plate 41 for driving the movable plate 42 to move back and forth, and a clamping mechanism 44 mounted on one end of the movable plate 42 for clamping the coiled rope wheel assembly 3. A drop guide mechanism 45 connected to the movable plate 42 is provided on one side of the fixed plate 41. When the clamping mechanism 44 clamps the coiled rope wheel assembly 3, the movable plate 42, in conjunction with the drop guide mechanism 45, drives the coiled rope wheel assembly 3 to move between the left and right moving mechanism 5 and the needle bar mechanism 2, which have a height difference.

[0027] In this embodiment, the drop guide mechanism 45 includes a side plate 451 disposed on one side of the fixed plate 41, a guide stroke 452 disposed on the side plate 451, and a guide block 453 cooperating within the guide stroke 452. The guide block 453 is mounted on the moving plate 42. The guide block 453, in conjunction with the guide stroke 452, drives the moving plate 42 to move up and down. The guide stroke 452 includes a horizontally disposed first stroke 401, a second stroke 402, and an inclined transition stroke 403. The position of the second stroke 402 is higher than the position of the first stroke 401. The transition stroke 403 connects the first stroke 401 and the second stroke 402 to form a transition. The height difference between the first stroke 401 and the second stroke 402 is equal to the height difference between the left and right moving mechanism 5 and the needle bar mechanism 2. Therefore, when the coiled rope wheel assembly 3 on the moving plate 42 moves from the left and right moving mechanism 5 to the needle bar mechanism 2, the guide block 453 just moves from the second stroke 402 to the first stroke 401, so that the height of the coiled rope wheel assembly 3 can always be matched and installed on the left and right moving mechanism 5 or the needle bar mechanism 2.

[0028] Preferably, the guide block 453 also needs to support the weight of the moving block and the clamping device within the guide stroke 452. Therefore, in order to ensure the integrity of the structure of the guide block 453 and to make the guide block 453 move more smoothly within the guide stroke 452, the guide block 453 adopts a rotary bearing in the guide stroke 452. The rotary bearing has both a supporting function and a rotating function, which can cooperate well with the movement of the moving plate 42.

[0029] Preferably, the guide stroke 452 can be a groove or a through hole, and in this embodiment, a through hole is preferred.

[0030] In this embodiment, the drive mechanism 43 includes a drive motor 431 disposed at the rear end of the fixed plate 41, a drive wheel 432 mounted on the shaft of the drive motor 431, and a driven wheel 433 rotatably mounted at the front end of the fixed plate 41. The drive wheel 432 and the driven wheel 433 are connected by a belt 434. When the drive motor 431 rotates, it drives the drive wheel 432 to rotate. The drive wheel 432 and the driven wheel 433 cooperate to drive the belt 434 to move. The moving plate 42 is connected to the belt 434 and moves back and forth with the belt 434.

[0031] Furthermore, the movable plate 42 is provided with a horizontal moving mechanism 46 for moving in the front-back direction and a vertical moving mechanism 47 for moving in the vertical direction. The horizontal moving mechanism 46 includes a horizontal slide rail 461 disposed at the bottom of the fixed plate 41 and a horizontal slider 462 slidably engaged on the slide rail. The bottom of the horizontal slider 462 is provided with a connecting block 420 for connecting to the belt 434. Preferably, the connecting block 420 is provided with a pressing block 421 for pressing a part of the belt 434 onto the connecting block 420. The pressing block 421 is provided with pressing teeth for preventing the belt 434 from sliding relative to the connecting block 420. When the belt 434 is pressed onto the connecting block 420, the movable plate 42 can be driven to move horizontally by the belt 434.

[0032] Furthermore, the vertical moving mechanism 47 includes a vertical slide rail 471 disposed on the side of the connecting block 420 near the side plate 451 and a vertical slider 472 slidably engaged on the vertical slide rail 471. The moving plate 42 is mounted on the vertical slider 472, so that the moving plate 42 can move back and forth while also moving up and down.

[0033] In this embodiment, the specific structure of the clamping mechanism 44 and the clamp 31 can be referred to in paragraph 0025 of the specification of the patent document of an automatic multi-color tape changing embroidery machine disclosed in Chinese patent application number CN202310080272.6, which mentions the clamping mechanism 44 and the clamp 31. It will not be described in detail here. The difference is that in this embodiment, the clamping mechanism on the clamp 31 is provided with two sets of clamping arms to improve the stability of the tape pulley assembly 3 after clamping.

[0034] The above description in this specification is merely an illustrative example of the present invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the specific embodiments described or adopt similar methods to replace them, as long as they do not deviate from the content of this specification or exceed the scope defined in the claims, they shall all fall within the protection scope of this invention.

Claims

1. A color-changing mechanism applied to the color-changing mechanism of a multi-color tape on an embroidery machine, characterized in that: It includes a fixed plate (41) mounted on the chassis beam (1), a movable plate (42) slidably mounted on the fixed plate (41), a drive mechanism (43) mounted on the fixed plate (41) for driving the movable plate (42) to move back and forth, and a clamping mechanism (44) mounted on one end of the movable plate (42) for clamping the pulley assembly (3). The movable plate (42) drives the pulley assembly (3) to move between the left and right moving mechanism (5) and the needle bar mechanism (2) with a height difference through the clamping mechanism (44). A drop guide mechanism (45) connected to the movable plate (42) is provided on one side of the fixed plate (41). The drop guide mechanism (45) includes a side plate (451) disposed on one side of the fixed plate (41), a guide stroke (452) disposed on the side plate (451), and a guide block (453) cooperating in the guide stroke (452). The guide block (453) is mounted on the moving plate (42). The guide block (453) cooperates with the guide stroke (452) to make the moving plate (42) move left and right while also moving up or down.

2. The changing mechanism applied to the color-changing mechanism of a multi-color tape in an embroidery machine according to claim 1, characterized in that: The guide stroke (452) includes a horizontally set first stroke (401), a second stroke (402), and an inclined transition stroke (403). The position of the second stroke (402) is higher than the position of the first stroke (401). The transition stroke (403) connects the first stroke (401) and the second stroke (402). The height difference between the first stroke (401) and the second stroke (402) is equal to the height difference between the left and right moving mechanism (5) and the needle bar mechanism (2).

3. The changing mechanism applied to the color-changing mechanism of a multi-color tape in an embroidery machine according to claim 1, characterized in that: The drive mechanism (43) includes a drive motor (431) disposed at one end of the fixed plate (41), a drive wheel (432) mounted on the shaft of the drive motor (431), and a driven wheel (433) rotatably mounted at the other end of the fixed plate (41). The drive wheel (432) and the driven wheel (433) are connected by a belt (434). When the drive motor (431) rotates, it drives the belt (434) to move through the drive wheel (432) and the driven wheel (433). The moving plate (42) is connected to the belt (434) and moves back and forth with the belt (434).

4. The color-changing mechanism applied to the multi-color tape changing mechanism of an embroidery machine according to claim 3, characterized in that: The moving plate (42) is provided with a horizontal moving mechanism (46) for moving in the front-back direction and a vertical moving mechanism (47) for moving in the vertical direction. The horizontal moving mechanism (46) includes a horizontal slide rail (461) provided at the bottom of the fixed plate (41) and a horizontal slider (462) slidably engaged on the slide rail. The bottom of the horizontal slider (462) is provided with a connecting block (420) for connecting to the belt (434).

5. The changing mechanism applied to the color-changing mechanism of a multi-color tape in an embroidery machine according to claim 4, characterized in that: The connecting block (420) is provided with a pressure block (421) for pressing a portion of the belt (434) onto the connecting block (420), and the pressure block (421) is provided with pressure teeth for preventing the belt (434) from sliding relative to the connecting block (420).

6. The changing mechanism applied to the color-changing mechanism of a multi-color tape in an embroidery machine according to claim 4, characterized in that: The vertical moving mechanism (47) includes a vertical slide rail (471) disposed on the side of the connecting block (420) near the side plate (451) and a vertical slider (472) slidably engaged on the vertical slide rail (471), and the moving plate (42) is mounted on the vertical slider (472).

7. The changing mechanism applied to the color-changing mechanism of a multi-color tape in an embroidery machine according to any one of claims 1 to 6, characterized in that: The guide block (453) is a rotating bearing.

8. The changing mechanism applied to the color-changing mechanism of a multi-color tape in an embroidery machine according to claim 7, characterized in that: The guide stroke (452) can be a groove or a through hole.

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