Ring shuttle device

Abstract

The utility model relates to the technical field of embroidery machines, in particular to a ring shuttle device applied to an embroidery machine, which at least comprises a ring shuttle support, at least two ring shuttles are arranged at the top of the ring shuttle support side by side, and a transmission gear coaxial with each ring shuttle is arranged below each ring shuttle; the device further comprises a cover assembly, the cover assembly covers the top of the ring shuttle support, the cover assembly at least comprises a cover plate and side plates extending downwards from the two ends of the cover plate, the cover plate is provided with via holes which correspond to the ring shuttles one to one and allow the ring shuttles to penetrate through, the ring shuttles are in clearance fit with the via holes, and the cover plate is located above the transmission gear. According to the ring shuttle device, the transmission gear is covered and protected based on the cover plate, after an embroidery thread is cut off, the thread end falls on the cover plate and cannot make contact with the transmission gear, and the risk that the thread end is wound around the transmission gear is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of embroidery machines, in particular to a circular shuttle device applied to embroidery machines. Background Art

[0002] Figure 1 The figure shows a schematic diagram of the structure of the loop shuttle device in the prior art, wherein the loop shuttle device comprises a loop shuttle bracket 2, on which a plurality of loop shuttles 1 are arranged side by side, and a transmission gear 3 coaxially formed integrally with the loop shuttle 1 is arranged below each loop shuttle 1, and each loop shuttle 1 and the transmission gear 3 can move in the vertical direction. When working, the loop shuttle 1 moves upward, and the transmission gear 3 meshes with the internal driving gear to drive the loop shuttle to rotate; when the loop shuttle is not working, it moves downward, and the transmission gear 3 is disengaged from the driving gear. A thread clamping seat 6 is arranged below the loop shuttle bracket 2, and a thread passing plate 7 is arranged between the loop shuttle 1 and the thread clamping seat 6, and a thread passing hole 8 corresponding to the loop shuttle is arranged on the thread passing plate 7. A thread cutting clamp 4 extending inward is arranged on the top of the loop shuttle bracket 2, and a thread cutting mechanism 5 is arranged on the inner side of the thread cutting clamp 4, and the thread cutting mechanism is used to cut the embroidery thread.

[0003] Among them, in the prior art, each transmission gear 3 is exposed on the top of the shuttle bracket 2. After the embroidery is completed, the embroidery thread is cut by the thread cutting mechanism 5, and there is a risk that the thread ends will fall between the transmission gears and be entangled on the gears, causing the gears to be stuck and causing related faults.

[0004] For example, the Chinese utility model patent with publication number CN204251863U discloses a color changing device suitable for a multi-stitch computer embroidery machine head, wherein the color changing component is a loop shuttle device, including at least two loop shuttles, and the transmission gear of each loop shuttle is exposed on the top of the loop shuttle fixing seat. Summary of the invention

[0005] The technical problem to be solved by the utility model is to solve the technical defect that the ring shuttle transmission gear of the ring shuttle device in the prior art is exposed on the top of the ring shuttle bracket, resulting in the thread ends falling between the transmission gears and being entangled on the gears after the embroidery thread is cut.

[0006] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: a ring shuttle device, comprising at least a ring shuttle bracket, at least two ring shuttles are arranged side by side on the top of the ring shuttle bracket, a transmission gear coaxial with the ring shuttle is arranged below each ring shuttle, and a first side wall and a second side wall are arranged opposite to each other at the two ends of the top of the ring shuttle bracket; and also comprising a cover assembly, the cover assembly is covered on the top of the ring shuttle bracket, the cover assembly at least comprises a cover plate, side plates extending downward from the two ends of the cover plate, the side plates are respectively fitted with the first side wall and the second side wall, the cover plate is provided with through holes corresponding to the ring shuttles one by one and accommodating the ring shuttles to pass through, the ring shuttles are gap-matched with the through holes, and the cover plate is located above the transmission gear.

[0007] In a preferred embodiment, an edge of the cover plate close to the rear wall is provided with an upwardly extending flange.

[0008] A preferred embodiment further comprises an oblique cover plate which is arranged obliquely, and the oblique cover plate extends obliquely downward from an edge of the cover plate which is away from the rear wall.

[0009] In a preferred embodiment, two ends of the oblique cover plate are overlapped on the side plates, and the side plates are provided with inclined supporting parts for overlapping the oblique cover plate.

[0010] In a preferred embodiment, the edge of the oblique cover plate away from the cover plate is flush with the front edge of the side plate.

[0011] In a preferred embodiment, the edge of the oblique cover plate away from one side of the cover plate protrudes beyond the front edge of the side plate.

[0012] In a preferred embodiment, connection holes are provided on the cover plate near both ends, and the cover assembly is fixedly connected to the ring shuttle bracket by bolts passing through the connection holes.

[0013] The ring shuttle device of this embodiment has a cover assembly installed on the top of the ring shuttle bracket, wherein the cover plate of the cover assembly is arranged above the transmission gear. Compared with the prior art, the ring shuttle device of this structure has the following advantages:

[0014] Beneficial effects:

[0015] (1) Based on the covering protection of the transmission gear by the cover plate, after the embroidery thread is cut, the thread end falls on the cover plate and cannot contact the transmission gear, thereby avoiding the risk of the thread end being entangled in the transmission gear.

[0016] (2) An upwardly extending flange is provided on the rear edge of the cover plate to support the thread ends, thereby preventing the thread ends from falling from the gap and facilitating the removal of the thread ends from the cover plate.

[0017] (3) A downwardly inclined cover is provided on the front side of the cover to prevent thread ends, other debris, dust, etc. from falling into the space where the gear is located from the front side, and cooperates with the cover to enhance the protective effect of the space where the gear is located. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a circular shuttle device in the prior art;

[0019] Figure 2 Schematic diagram of the structure of the circular shuttle device of this embodiment;

[0020] Figure 3 It is a structural schematic diagram of the cover assembly in the circular shuttle device of this embodiment. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1As shown, an existing loop shuttle device includes a loop shuttle bracket 2, on which a plurality of loop shuttles 1 for color change are arranged side by side, and a transmission gear 3 coaxial with the loop shuttle is arranged below each loop shuttle 1. Preferably, the loop shuttle and the transmission gear are integrally formed. Among them, a thread clamping seat 6 is arranged below the loop shuttle bracket 2, and a thread passing plate 7 is arranged between the loop shuttle 1 and the thread clamping seat 6, and the thread passing plate 7 is provided with thread passing holes 8 corresponding to the loop shuttles one by one. A thread cutting clamp 4 extending inwardly is arranged on the top of the loop shuttle bracket 2, and a thread cutting mechanism 5 is arranged on the inner side of the thread cutting clamp 4, and the thread cutting mechanism is used to cut the embroidery thread. It should be noted that the thread cutting mechanism 5 and the thread clamping seat 6 are both mature structures in existing embroidery machines, and their specific structures are not described in detail.

[0025] As the special feature of this embodiment, Figure 2 As shown, in Figure 1 The top of the ring shuttle support 2 is covered with a cover assembly 11. The top ends of the ring shuttle support 2 are provided with a first side wall 9 and a second side wall 10 opposite to each other.

[0026] In this embodiment, the structure of the cover assembly 11 is as follows: Figure 3 As shown, it includes a cover plate 12 and a first side plate 13 and a second side plate 14 extending downward from both ends of the cover plate 12. The outer sides of the first side plate 13 and the second side plate 14 are in contact with the inner sides of the first side wall 9 and the second side wall 10. The cover plate 12 is provided with a through hole 15 corresponding to the ring shuttle 1 and accommodating the ring shuttle to pass through. The ring shuttle 1 is loosely matched with the through hole 15 and can be lifted and lowered in the through hole 15. In the height direction, the cover plate 12 is located above the transmission gear 3.

[0027] After being configured in this way, the cover plate 12 covers and protects the transmission gear 3. When the embroidery thread is cut, the thread ends fall on the cover plate 12 and cannot contact the transmission gear 3, thereby avoiding the risk of the thread ends being entangled in the transmission gear.

[0028] As a preferred embodiment of this embodiment, Figure 3 As shown, the edge of the cover plate 12 near the rear wall is provided with an upwardly extending flange 17. The flange 17 supports the thread ends, prevents the thread ends from falling down from the gap, and is also convenient for picking up the thread ends from the cover plate.

[0029] As a preferred embodiment of this embodiment, Figure 2 , Figure 3As shown, it also includes an inclined cover plate 16, which extends downwardly from the edge of the cover plate 12 away from the rear wall. Correspondingly, the side plate is provided with an inclined support portion for overlapping the inclined cover plate 16, and the edge of the inclined cover plate away from the cover plate is flush with the front edge of the side plate or protrudes from the front edge of the side plate. In this embodiment, the inclined cover plate prevents thread ends, other debris, dust, etc. from falling into the space where the gear is located from the front side, and cooperates with the cover plate to enhance the protective effect of the space where the gear is located.

[0030] It should be noted that, in this embodiment, the connection method between the cover assembly and the ring shuttle bracket is not limited, including but not limited to screw connection, riveting, welding, hinged connection, clamping, etc. As a preference, in this embodiment, if Figure 3 As shown, connection holes 18 are provided near both ends of the cover plate 12 , and the cover assembly is fixedly connected to the ring shuttle bracket 2 by bolts passing through the connection holes 18 .

[0031] In short, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A ring shuttle device, comprising at least a ring shuttle bracket, at least two ring shuttles are arranged side by side on the top of the ring shuttle bracket, a transmission gear coaxial with the ring shuttle is arranged below each ring shuttle, and a first side wall and a second side wall are arranged oppositely at both ends of the top of the ring shuttle bracket; characterized in that: It also includes a cover assembly, which is covered on the top of the ring shuttle bracket. The cover assembly at least includes a cover plate and side plates extending downward from both ends of the cover plate, and the side plates are respectively fitted with the first side wall and the second side wall. The cover plate is provided with through holes that correspond to the ring shuttles one by one and accommodate the ring shuttles passing through, and the ring shuttles are gap-matched with the through holes. The cover plate is located above the transmission gear.

2. The circular shuttle device according to claim 1, characterized in that: The edge of the cover plate close to the rear wall is provided with a flange extending upward.

3. The circular shuttle device according to claim 1, characterized in that: It also includes an oblique cover plate which is arranged obliquely, and the oblique cover plate extends obliquely downward from an edge of the cover plate which is away from the rear wall.

4. The circular shuttle device according to claim 3, characterized in that: The two ends of the oblique cover plate are overlapped on the side plate, and the side plate is provided with an inclined supporting portion for overlapping the oblique cover plate.

5. The circular shuttle device according to claim 4, characterized in that: The edge of the oblique cover plate away from the cover plate is flush with the front edge of the side plate.

6. The circular shuttle device according to claim 4, characterized in that: The edge of the oblique cover plate away from one side of the cover plate protrudes beyond the front edge of the side plate.

7. The circular shuttle device according to any one of claims 1 to 6, characterized in that: The cover plate is provided with connection holes near both ends, and the cover assembly is fixedly connected to the ring shuttle bracket by bolts passing through the connection holes.

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