Lengthened slider color changing guide rail pair for embroidery machine

Abstract

The application relates to a lengthened slider color changing guide rail pair for an embroidery machine, which comprises a guide rail, the two sides of the guide rail each having a first arc-shaped sliding rail for providing a channel for steel ball rolling; a T-shaped slider, the top of the T-shaped slider being a horizontal section which is narrower than the middle and bottom parts, the inside of the T-shaped slider being provided with a U-shaped inner cavity which is open towards the bottom part, the T-shaped slider being sleeved on the guide rail and being used for carrying out bearing by being connected with a color changing executing component of the embroidery machine; the two side walls of the U-shaped inner cavity each having a second arc-shaped sliding rail, the bottom part of the T-shaped slider further having two second sliding channels which are correspondingly arranged; and a reversing assembly, which is arranged at the two ends of the T-shaped slider, the inside of the reversing assembly being provided with two groups of corresponding reversing channels, the two ends of the reversing channels being communicated with the first sliding channels and the second sliding channels respectively, and each group of corresponding reversing channels and the first sliding channel and the second sliding channel located on the same side forming a circulating sliding channel. The technical scheme can meet the large-stroke requirement of the color changing executing component, improve color changing stability and embroidery precision, and avoid assembly interference.

Description

Technical Field

[0001] This application relates to the field of sewing technology, and in particular to an extended slider color-changing guide rail for an embroidery machine. Background Technology

[0002] In the textile processing industry, including clothing, home textiles, and footwear, embroidery machines are core decorative processing equipment. Their functional integrity and operational stability directly determine the precision of patterns and production efficiency. As market demand for more complex and colorful embroidery patterns continues to increase, the color-changing function of embroidery machines has gradually become a key factor affecting processing quality. The color-changing actuator needs to quickly switch between different colored threads, a process that relies on the precise linear motion support provided by the color-changing guide rail pair.

[0003] In existing technologies, non-recirculating ball bearing guides or slider guides are typically used, with a retainer limiting the ball bearings or sliders to allow the slider to slide along the guide. However, in actual use, due to the lack of a stable limiting and fixing structure, the retainer is prone to displacement due to vibration of the embroidery machine or impact force of the slider sliding, which directly leads to a shortened effective sliding stroke of the slider, making it impossible to meet the large stroke color change requirements, and thus limiting the color layout range of the embroidery pattern.

[0004] Existing circulating guide rails cannot meet the requirements of smooth rolling and turning of steel balls within the slide rail, and therefore cannot use a single long slider. Instead, they often use two shorter rectangular sliders assembled into a circulating structure to achieve the circulating transmission of steel balls. However, due to limitations in processing precision and assembly technology, the two short rectangular sliders are prone to height differences after assembly, resulting in uneven clearance between the sliders and the guide rail. When the color-changing actuator drives the sliders, the height difference causes a sudden change in transmission resistance, leading to significant transmission jamming. This not only affects color-changing efficiency but also causes embroidery needle position deviation due to jamming, reducing the accuracy of the pattern.

[0005] Therefore, it is necessary to improve one or more of the problems existing in the above-mentioned related technical solutions.

[0006] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this disclosure, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0007] The purpose of this application is to provide an extended slider color-changing guide pair for an embroidery machine, thereby overcoming, at least to some extent, one or more problems caused by the limitations and defects of related technologies.

[0008] To achieve the objectives of this application, the following technical solution is provided: This application provides an extended slider color-changing guide rail pair for an embroidery machine, comprising: The guide rail has a first arc-shaped slide rail on each side to provide a channel for the steel balls to roll. The T-shaped slider has a narrower top section than the middle and bottom sections, and an internal U-shaped cavity with an opening facing the bottom. It is slidably fitted onto the guide rail and is used to connect to the color-changing actuator of the embroidery machine via the top for support. Each side wall of the U-shaped cavity has a second arc-shaped slide rail, and the bottom of the T-shaped slider also has two corresponding second slide tracks. The two second arc-shaped slide rails and the two first arc-shaped slide rails respectively form two first slide tracks located on both sides of the guide rail. The reversing assembly is disposed at both ends of the T-shaped slider and has two sets of corresponding reversing channels inside. The two ends of the reversing channels are respectively connected to the first slide and the second slide. Each set of corresponding reversing channels, together with the first slide and the second slide located on the same side, constitutes a circulating slide.

[0009] In one possible implementation, the reversing assembly includes: a rotating component and a reversing component; The upper part of the rotating component has a guide groove on each of its two sides, and the lower part has a rotating groove on each of its two sides. The guide groove and the rotating groove on the same side are connected. The upper part of the reverse component has a through hole on each of its two sides, and the lower part has a reverse groove on each of its two sides; The through hole on the same side is connected to the guide groove, and the rotary groove on the same side and the reverse groove form the reversing channel.

[0010] In one possible implementation, the reversing assembly has a ball guard on each side, and the two ends of the ball guard are connected to the rotating parts at both ends of the T-shaped slider on the same side, and are located in the first arc-shaped slide rail on the same side of the guide rail.

[0011] In one possible implementation, the rotating component has a fixing groove, and the two ends of the protective bead are engaged in the fixing groove.

[0012] In one possible implementation, the rotating component also has a clamping component, and the two ends of the protective bead component are engaged within the clamping component.

[0013] In one possible implementation, the outer end face of the reversing assembly has a lateral dustproof plate to prevent dust from entering laterally into the contact area between the T-shaped slider and the guide rail.

[0014] In one possible implementation, the transverse dustproof plate has a protrusion that extends into the first arc-shaped slide rail.

[0015] In one possible implementation, a pad is provided between the transverse dustproof plate and the reversing assembly.

[0016] In one possible implementation, the reversing assembly further includes a longitudinal dustproof plate, the two ends of which are fixedly connected to the reversing assembly to cover the gap between the T-shaped slider and the bottom of the guide rail.

[0017] In one possible implementation, the two side walls of the top transverse section of the T-shaped slider are inclined surfaces.

[0018] The technical solution provided in this application may include the following beneficial effects: This application uses an extended slider color-changing guide rail pair for embroidery machines. Through a steel ball circulating slide formed by the first slide, second slide, and reversing channel, it solves the problem of insufficient stroke caused by cage misalignment in existing non-circulating guide rails, meeting the large stroke requirements of the color-changing actuator. Furthermore, by replacing two short rectangular sliders with an integrated extended T-shaped slider, it avoids height differences during assembly, ensures uniform fit clearance, eliminates transmission jamming, and improves color-changing stability and embroidery precision. Simultaneously, the T-shaped slider's design, with a narrower top than the middle and bottom transverse sections, reduces slider weight and machining area while reliably supporting the color-changing actuator, minimizing contact area with surrounding parts, avoiding assembly interference, and improving practicality. Attached Figure Description

[0019] Figure 1 This illustration shows a structural schematic diagram of an extended slider color-changing guide rail pair for an embroidery machine according to an exemplary embodiment of this application; Figure 2 This illustration shows a schematic diagram of the internal structure of an extended slider color-changing guide rail pair for an embroidery machine according to an exemplary embodiment of this application; Figure 3 This illustration shows a structural schematic diagram of the rotary channel of an extended slider color-changing guide rail for an embroidery machine according to an exemplary embodiment of this application; Figure 4 This illustration shows a structural schematic diagram of an extended slider color-changing guide rail auxiliary bead component for an embroidery machine according to an exemplary embodiment of this application; Figure 5 This illustration shows a structural schematic diagram of an extended slider color-changing guide rail reversing assembly for an embroidery machine according to an exemplary embodiment of this application; Figure 6 This illustration shows a schematic diagram of the inner structure of an extended slider color-changing guide rail rotary component for an embroidery machine according to an exemplary embodiment of this application; Figure 7 This illustration shows a schematic diagram of the outer structure of an extended slider color-changing guide rail rotary component for an embroidery machine according to an exemplary embodiment of this application; Figure 8This is an exploded view of the structure of a reversing assembly for an extended slider color-changing guide rail pair for an embroidery machine, as shown in an exemplary embodiment of this application. Figure 9 This illustration shows a structural schematic diagram of a reverse component of an extended slider color-changing guide rail for an embroidery machine according to an exemplary embodiment of this application; Figure 10 This illustration shows a structural schematic diagram of the longitudinal dustproof plate of an extended slider color-changing guide rail for an embroidery machine according to an exemplary embodiment of this application; Figure 11 This illustration shows a structural schematic diagram of a T-shaped slider for an extended slider color-changing guide rail for an embroidery machine, as shown in an exemplary embodiment of this application. Figure 12 This invention provides a schematic diagram of the structure of an extended slider color-changing guide rail sub-rail for an embroidery machine according to an exemplary embodiment of this application. Figure 13 This illustration shows a structural schematic diagram of the transverse dustproof plate of an extended slider color-changing guide rail for an embroidery machine in an exemplary embodiment of this application; Figure 14 This illustration shows a schematic diagram of the structure of an extended slider color-changing guide rail for an embroidery machine, in which the transverse dustproof plate cooperates with the guide rail in an exemplary embodiment of this application; Figure 15 This diagram illustrates the structure of an extended slider color-changing guide rail auxiliary steel ball slide for an embroidery machine according to an exemplary embodiment of this application.

[0020] Figure label: 100. Guide rail; 200. Reversing assembly; 210. Rotating component; 211. Guide groove; 212. Rotating groove; 213. Clamping component; 214. Fixing groove; 220. Reversing component; 221. Reversing groove; 222. Through hole; 230. Sliding tube; 240. Protective bead component; 250. Transverse dustproof plate; 251. Protrusion; 260. Longitudinal dustproof plate; 270. Pad. 300, T-shaped slider; 310, second slide rail; 400, reversing channel; 500, first slide rail. Detailed Implementation

[0021] Exemplary embodiments will now be described more fully with reference to the accompanying drawings. However, these exemplary embodiments can be implemented in many forms and should not be construed as limited to the examples set forth herein; rather, they are provided to make this application more comprehensive and complete, and to fully convey the concept of the exemplary embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0022] Furthermore, the accompanying drawings are merely illustrative of this application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and therefore, repeated descriptions of them will be omitted.

[0023] This example implementation first provides an extended slider color-changing guide rail pair for an embroidery machine. (Reference) Figure 1-15 As shown, the embroidery machine's extended slider color-changing guide rail assembly includes a guide rail 100, a reversing assembly 200, and a T-shaped slider 300.

[0024] Among them, the guide rail 100 has a first arc-shaped slide rail on each side to provide a channel for the steel ball to roll. The T-shaped slider 300 has a top section that is narrower than the middle and bottom sections, and an interior U-shaped cavity with an opening facing the bottom. It is slidably fitted onto the guide rail 100 and is used to support the color-changing actuator of the embroidery machine via a connection at the top. Each side wall of the U-shaped cavity has a second arc-shaped slide rail, and the bottom of the T-shaped slider 300 also has two corresponding second slide rails 310. The two second arc-shaped slide rails and the two first arc-shaped slide rails respectively form two first slide rails 500 located on both sides of the guide rail 100. The reversing assembly 200 is disposed at both ends of the T-shaped slider 300 and has two sets of corresponding reversing channels 400 inside. The two ends of the reversing channels 400 are respectively connected to the first slide rail 500 and the second slide rail 310. Each set of corresponding reversing channels 400 and the first slide rail 500 and the second slide rail 310 located on the same side form a circulating slide rail.

[0025] It should be noted that the top of the T-shaped slider 300 is narrower than the middle and bottom horizontal sections, which reduces weight and the machining and grinding area. At the same time, it also reduces the contact area with mating parts during actual installation, effectively avoiding misalignment.

[0026] Through the extended slider color-changing guide rail pair for the embroidery machine described above, the second arc-shaped slide rail of the U-shaped inner cavity of the integrated T-shaped slider 300 and the first arc-shaped slide rail of the guide rail 100 form the first slide rail 500. The second slide rail 310 on the T-shaped slider 300 is connected to the reversing channel 400 of the reversing components 200 at both ends to form a steel ball circulation slide rail. There is no need for a retainer that is prone to displacement, which solves the problem of insufficient stroke and realizes the requirement of smooth rolling and turning of steel balls in the slide rail without jamming. Thus, the integrated long T-shaped slider 300 is realized, avoiding the height difference caused by assembly and the transmission jamming caused by uneven fit clearance, ensuring the smooth movement and long stroke of the color-changing actuator.

[0027] In one embodiment, such as Figure 2As shown, the reversing assembly 200 includes: a rotating component 210 and a reversing component 220; The rotating component 210 has a guide groove 211 on each of its upper two sides and a rotating groove 212 on each of its lower two sides. The guide groove 211 and the rotating groove 212 on the same side are connected. The upper part of the reverse member 220 has a through hole 222 on each of its two sides, and the lower part has a reverse groove 221 on each of its two sides. The through hole 222 on the same side is connected to the guide groove 211, and the rotary groove 212 on the same side and the reverse groove 221 constitute the reversing channel 400.

[0028] It should be noted that the core function of the through hole 222 is as a channel for adding steel balls. Workers can use this through hole 222 to add steel balls into the guide rail pair. After entering the through hole 222, the steel balls will precisely enter the rotating component 210 along the connecting guide groove 211. The rotating groove 212 and the reversing groove 221 of the reversing component 220 form the reversing channel 400. Since both ends of the T-shaped slider 300 are equipped with reversing components 200, when the steel ball rolls from the first slide rail 500 (composed of the first arc-shaped slide rail of the guide rail 100 and the second arc-shaped slide rail of the T-shaped slider 300) to the T-shaped slider... When the ball reaches one end of the T-shaped slider 300, it enters the reversing channel 400 of the reversing component 200 at that end. After turning through the reversing channel 400, it enters the second slide 310. Then, the ball rolls along the second slide 310 to the other end of the T-shaped slider 300. It then turns again through the reversing channel 400 of the reversing component 200 at that end and re-enters the first slide 500. Finally, a complete cycle is achieved: first slide 500 → reversing channel 400 at one end → second slide 310 → reversing channel 400 at the other end → first slide 500. This provides continuous rolling support for the smooth sliding of the T-shaped slider 300 along the guide rail 100.

[0029] Furthermore, such as Figure 2 and Figure 4 As shown, the reversing assembly 200 has a protective bead member 240 on each side. The two ends of the protective bead member 240 are connected to the rotating members 210 at both ends of the T-shaped slider 300 on the same side, and are located in the first arc-shaped slide rail on the same side of the guide rail 100.

[0030] It should be noted that the ball guard 240 can be rod-shaped, and the first arc-shaped slide rail of the guide rail 100 has an installation recess, in which the ball guard 240 is located. During the process of the steel ball circulating along the first slide rail 500, the ball guard 240 can reliably limit the steel ball laterally, preventing the steel ball from leaving the first slide rail 500 due to vibration during the operation of the embroidery machine or centrifugal force caused by changes in rolling speed. This prevents the steel ball from falling out of the circulating slide rail and causing the guide rail pair to slide and jam, ensuring the stability of the channel size of the first slide rail 500 and not affecting the circulation path and rolling efficiency of the steel ball.

[0031] Optional, such as Figure 7 As shown, the rotating component 210 has a fixing groove 214, and the two ends of the protective bead component 240 are engaged in the fixing groove 214.

[0032] It should be noted that the width and depth of the fixing groove 214 are precisely matched with the dimensions of the end of the protective ball 240. After the two ends of the protective ball 240 are inserted into the fixing groove 214, they can be firmly positioned along the sliding direction of the T-shaped slider 300, preventing the protective ball 240 from shifting axially under the impact force generated by the rolling of the steel ball or the vibration of the equipment.

[0033] Optional, such as Figure 5 As shown, the rotating component 210 also has a clamping component 213, and the two ends of the protective bead component 240 are engaged in the clamping component 213.

[0034] It should be noted that the clamping member 213 is an elastic snap-fit ​​structure, and its clamping gap is perfectly matched with the thickness of the end of the protective bead member 240. When the two ends of the protective bead member 240 are inserted into the fixing groove 214 to achieve axial positioning, the clamping member 213 can clamp the end of the protective bead member 240 through its own elastic deformation, forming a dual fixing effect of axial positioning by the fixing groove 214 and lateral clamping by the clamping member 213.

[0035] In one embodiment, such as Figure 2 As shown, the reversing assembly 200 also includes a slide tube 230, which passes through the second slide rail 310 and connects the reversing channels 400 at both ends of the T-shaped slider 300.

[0036] It should be noted that by controlling the precision of the slide tube 230's dimensions, it is easier to achieve a precise connection of the reversing channel 400, ensuring a smooth connection. At the same time, by reducing the coefficient of friction of the inner wall of the slide tube 230, it is possible to reduce the wear of the steel balls and improve the sliding effect.

[0037] In one embodiment, such as Figure 8 As shown, the outer end face of the reversing assembly 200 has a transverse dustproof plate 250 to prevent dust from entering laterally into the contact portion between the T-shaped slider 300 and the guide rail 100.

[0038] It should be noted that the steel ball needs to roll stably within the first slide rail 500 to achieve smooth sliding of the T-shaped slider 300. However, when the embroidery machine is working, it will generate impurities such as thread ends and fabric fibers. If these impurities enter the contact part laterally, they will adhere to the surface of the steel ball or accumulate in the first slide rail 500, resulting in increased rolling resistance of the steel ball and jamming of the T-shaped slider 300. In the long run, this will also cause abnormal wear of the first arc-shaped slide rail and the steel ball, affecting the service life of the guide rail pair and the color changing accuracy of the embroidery machine. The transverse dustproof plate 250, by completely covering the outer end face of the reversing component 200, can directly block the transverse intrusion path of impurities, providing basic dustproof protection for the contact part and the first slide rail 500.

[0039] Furthermore, such as Figure 13-14 As shown, the transverse dustproof plate 250 has a protrusion 251 that extends into the first arc-shaped slide rail.

[0040] It should be noted that there may be a small gap between the body of the horizontal dustproof plate 250 and the edge of the first arc-shaped slide rail. If only the dustproof plate body is relied upon, impurities may still seep into the first slide rail 500 through this gap. However, the arc-shaped contour of the protrusion 251 is precisely matched with the inner wall curvature of the first arc-shaped slide rail, which can not only fit tightly against the inner wall of the first arc-shaped slide rail, but also fill the gap between the dustproof plate body and the slide rail to achieve double dust protection.

[0041] Furthermore, such as Figure 8 As shown, a pad 270 is provided between the transverse dustproof plate 250 and the reversing assembly 200.

[0042] It should be noted that the pad 270 can be made of wear-resistant rubber with a certain degree of elasticity. On the one hand, due to the influence of processing precision, there may be a slight flatness error on the outer end face of the reversing component 200. The pad 270 can compensate for this error through its own elastic deformation, so that the transverse dustproof plate 250 can maintain a full fit with the outer end face of the reversing component 200, avoiding the intrusion of new impurities into the gap due to poor fit. On the other hand, the embroidery machine will generate high-frequency vibration when it is working. The pad 270 can buffer the vibration impact between the transverse dustproof plate 250 and the reversing component 200, reduce the wear caused by vibration friction, extend the service life of the dustproof plate 250 and the reversing component 200, and at the same time prevent the dustproof plate 250 from shifting due to vibration, ensuring that the protrusion 251 is always accurately in the preset position within the first arc-shaped slide rail.

[0043] In one embodiment, such as Figure 8 and Figure 10As shown, the reversing assembly 200 also has a longitudinal dustproof plate 260, the two ends of which are fixedly connected to the reversing assembly 200 to cover the gap between the T-shaped slider and the bottom of the guide rail 100.

[0044] It should be noted that during embroidery operations, embroidery machines generate impurities such as thread ends and fabric fibers. Dust from the working environment may also settle. If these impurities enter the guide rail assembly through the gap between the T-shaped slider and the bottom of the guide rail 100, they will accumulate in the bottom area of ​​the second slide 310 (located at the bottom of the T-shaped slider) or the reversing channel 400. This increases the resistance when the steel ball circulates to this area, and may even cause it to jam. Furthermore, long-term accumulation of impurities may corrode the bottom surface of the guide rail 100, affecting the overall service life of the guide rail assembly. The longitudinal dustproof plate 260, by covering the bottom gap, forms an all-around dustproof system with the transverse dustproof plate 250, blocking the path of impurities from the bottom. This ensures that the circulating slide formed by the first slide 500, the reversing channel 400, and the second slide 310 remains clean, providing a stable environment for the smooth circulation of the steel ball. This, in turn, ensures the smoothness of the T-shaped slider sliding along the guide rail 100 and the color-changing accuracy of the embroidery machine.

[0045] Optional, such as Figure 8 As shown, the two ends of the longitudinal dustproof plate 260 are fixedly disposed on the outer end face of the reversing assembly 200, while covering the gap between the T-shaped slider and the bottom of the guide rail 100.

[0046] In one embodiment, such as Figure 11 As shown, the two side walls of the top horizontal section of the T-shaped slider 300 are inclined surfaces.

[0047] It should be noted that the two side walls of the top horizontal section of the T-shaped slider 300 are inclined, forming a trapezoidal structure. While reducing weight and machining area, the trapezoidal structure helps to control quenching deformation during heat treatment, reduce stress concentration, and also reduces the contact area with mating parts during actual installation, effectively avoiding misalignment.

[0048] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0049] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0050] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0051] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0052] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.

[0053] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the invention filed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not claimed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of this application are indicated by the appended claims.

Claims

1. An extended slider color-changing guide rail pair for an embroidery machine, characterized in that, include: The guide rail has a first arc-shaped slide rail on each side to provide a channel for the steel balls to roll. The T-shaped slider has a narrower top section than the middle and bottom sections, and an internal U-shaped cavity with an opening facing the bottom. It is slidably fitted onto the guide rail and is used to connect to the color-changing actuator of the embroidery machine via the top for support. Each side wall of the U-shaped cavity has a second arc-shaped slide rail, and the bottom of the T-shaped slider also has two corresponding second slide tracks. The two second arc-shaped slide rails and the two first arc-shaped slide rails respectively form two first slide tracks located on both sides of the guide rail. The reversing assembly is disposed at both ends of the T-shaped slider and has two sets of corresponding reversing channels inside. The two ends of the reversing channels are respectively connected to the first slide and the second slide. Each set of corresponding reversing channels, together with the first slide and the second slide located on the same side, constitutes a circulating slide.

2. The extended slider color-changing guide rail pair for the embroidery machine according to claim 1, characterized in that, The reversing assembly includes: a rotating component and a reversing component; The upper part of the rotating component has a guide groove on each of its two sides, and the lower part has a rotating groove on each of its two sides. The guide groove and the rotating groove on the same side are connected. The upper part of the reverse component has a through hole on each of its two sides, and the lower part has a reverse groove on each of its two sides; The through hole on the same side is connected to the guide groove, and the rotary groove on the same side and the reverse groove form the reversing channel.

3. The extended slider color-changing guide rail pair for the embroidery machine according to claim 2, characterized in that, The reversing assembly has a ball guard on each side. The two ends of the ball guard are connected to the rotating parts at both ends of the T-shaped slider on the same side, and are located in the first arc-shaped slide rail on the same side of the guide rail.

4. The extended slider color-changing guide rail pair for the embroidery machine according to claim 3, characterized in that, The rotating component has a fixing groove, and the two ends of the protective bead component are engaged in the fixing groove.

5. The extended slider color-changing guide rail pair for an embroidery machine according to claim 3, characterized in that, The rotating component also has a clamping component, and the two ends of the protective bead component are engaged in the clamping component.

6. The extended slider color-changing guide rail pair for an embroidery machine according to claim 3, characterized in that, The outer end face of the reversing assembly has a transverse dustproof plate to prevent dust from entering laterally into the contact area between the T-shaped slider and the guide rail.

7. The extended slider color-changing guide rail pair for an embroidery machine according to claim 6, characterized in that, The horizontal dustproof plate has a protrusion that extends into the first arc-shaped slide rail.

8. The extended slider color-changing guide rail pair for an embroidery machine according to claim 6, characterized in that, A pad is provided between the transverse dustproof plate and the reversing assembly.

9. The extended slider color-changing guide rail pair for an embroidery machine according to claim 3, characterized in that, The reversing assembly also has a longitudinal dustproof plate, the two ends of which are fixedly connected to the reversing assembly to cover the gap between the T-shaped slider and the bottom of the guide rail.

10. The extended slider color-changing guide rail pair for an embroidery machine according to claim 1, characterized in that, The two side walls of the top horizontal section of the T-shaped slider are inclined surfaces.

Images