A spinning frame guide wheel

Abstract

The utility model discloses a spinning frame guide wheel, spinning frame guide wheel includes the grooved wheel, and the centre of grooved wheel is equipped with the inner hole of grooved wheel, and one side of inner hole of grooved wheel is equipped with the first center hole of the diameter less than the diameter of inner hole of grooved wheel, and the inner sleeve is inserted in the inner hole of grooved wheel, and the side of inner sleeve away from the first center hole is equipped with the third center hole, the first center hole and the third center hole are coaxial, and the fixed shaft passes through the first center hole and the third center hole, and the rotation of grooved wheel and inner sleeve is fixed at the second center hole department of fixed base, and the first center hole and the third center hole form two sections of support point that keep a distance on the fixed shaft.

Description

Technical Field

[0001] This utility model belongs to the technical field of guide rollers for spinning machines, and particularly relates to a guide roller for spinning machines. Background Technology

[0002] The spinning frame is one of the core pieces of equipment in the textile industry. Its guide rollers are used to guide the yarn to wind in an orderly manner. The structural stability and running accuracy of the guide rollers directly affect the yarn quality and production efficiency. Traditional guide rollers usually adopt a single bearing support or an integral bushing design, which can lead to insufficient support rigidity. Single-point support or short shaft support is prone to wheel sway due to yarn tension or high-speed rotation, affecting the accuracy of the guide trajectory; wear is concentrated, the contact surface between the shaft and the hub is short, local friction is aggravated, and the service life is shortened; concentricity deviation, after long-term operation, the fit between the inner hole and the shaft is prone to loosening, resulting in vibration and noise. Summary of the Invention

[0003] The purpose of this utility model embodiment is to provide a guide wheel for a spinning machine, which aims to solve the technical problem that the guide wheel in the prior art is prone to swing due to yarn tension or high-speed rotation caused by single-point support or short shaft support, thus affecting the accuracy of the guide track.

[0004] The present invention is implemented as follows: A guide wheel for a spinning frame includes a grooved wheel with an inner hole at its center. A first central hole with a diameter smaller than the inner hole is located on one side of the inner hole. An inner sleeve is inserted into the inner hole, and a third central hole is located on the side of the inner sleeve away from the first central hole. The first and third central holes are coaxial. A fixed shaft passes through the first and third central holes, rotatably fixing the grooved wheel and inner sleeve at a second central hole of a fixed base. The first and third central holes form two support points spaced a certain distance apart on the fixed shaft.

[0005] Furthermore, the inner sleeve is provided with a first through hole, a third central hole, and a second through hole in sequence along its axis. The diameter of the third central hole is at least smaller than the diameter of either the first or second through hole. The inner sleeve includes an outer cylinder and an inner cylinder, which are connected on one side by an end face ring and on the other side by several reinforcing ribs. The circumference of the end face ring has several snap-fit ​​holes. The snap-fit ​​holes are round or square, with a guide ramp at the entrance and a limiting surface at the exit. The outer circumference of the outer cylinder of the inner sleeve is evenly distributed with guide grooves, the guiding direction of which is the same as the axial direction of the inner sleeve.

[0006] Furthermore, the snap-fit ​​holes are preferably three in number.

[0007] Furthermore, the outer side of the grooved wheel is provided with a first sidewall, a groove bottom, and a second sidewall. The first and second sidewalls are arranged at a certain angle on both sides of the groove bottom to form the guide wire groove of the grooved wheel. The inner side of the grooved wheel is provided with a grooved wheel inner hole, and guide ribs are evenly distributed around the circumference of the grooved wheel inner hole. One side of the grooved wheel is provided with a first conical surface and a second circumferential surface, which are engaged with the end face of the fixed end of the fixed seat. A third central hole is provided at the axial position of the second circumferential surface. The third central hole is coaxial with the grooved wheel inner hole, and the diameter of the third central hole is smaller than the diameter of the grooved wheel inner hole.

[0008] Furthermore, the inner hole of the grooved wheel mates with the outer cylinder of the inner sleeve; the guide rib mates with the guide groove.

[0009] Furthermore, the end cap includes an end cap base, with a plurality of snap-fit ​​protrusions evenly distributed around one side of the end cap base. The shape of the snap-fit ​​protrusions matches the shape of the snap-fit ​​holes, preferably circular or square. The side of the snap-fit ​​protrusions is provided with limiting protrusions. When the snap-fit ​​protrusions engage with the snap-fit ​​holes, the limiting protrusions 602 engage with the limiting surface to prevent the end cap from sliding out.

[0010] The positive effects of this utility model are: This invention features a first central hole with a diameter smaller than the inner diameter of the grooved wheel's inner bore on one side. An inner sleeve is inserted into the inner bore of the grooved wheel, and a third central hole is located on the side of the inner sleeve away from the first central hole. A fixed shaft passes through the first and third central holes, rotatably fixing the grooved wheel and inner sleeve to the second central hole of a fixed base. The first and third central holes form two support points at a certain distance on the fixed shaft. This double-support structure suppresses radial runout of the grooved wheel, resulting in more uniform yarn winding, reduced yarn breakage and defects, and improved yarn guiding accuracy. It extends the service life of the guide wheel, and the inner sleeve, as a wear-resistant part, can be replaced separately. The two-stage support reduces the wear rate of the shaft and the hole, lowering maintenance costs. Improved concentricity reduces running resistance, while reduced vibration improves the working environment of the guide wheel. The separate structure of the inner sleeve and the grooved wheel facilitates maintenance and component replacement, improving equipment utilization. Attached Figure Description

[0011] Figure 1 This is a three-dimensional structural schematic diagram of a guide wheel for a spinning machine according to the present invention; Figure 2 yes Figure 1 The figure shown is a front view of a guide wheel for a spinning machine according to this utility model; Figure 3 yes Figure 2 The figure shown is a cross-sectional view of a guide wheel for a spinning frame according to the present invention, shown in the figure. Figure 4 yes Figure 3 The figure shown is a three-dimensional structural schematic diagram of the inner sleeve in the guide wheel of a spinning machine according to the present invention; Figure 5 yes Figure 3 The diagram shown is a three-dimensional structural schematic of the inner sleeve of the guide wheel of a spinning machine according to the present invention from a second perspective. Figure 6 yes Figure 4 The image shows a half-sectional view of the inner sleeve of the guide wheel of a spinning machine according to the present invention, cut along the symmetrical plane of the reinforcing rib. Figure 7 yes Figure 3 The figure shown is a three-dimensional structural schematic diagram of the middle end cover of the guide wheel of a spinning machine according to the present invention; Figure 8 yes Figure 1 The diagram shows a three-dimensional structural schematic of the grooved wheel in the guide wheel of a spinning machine according to this utility model; Figure 9 yes Figure 8 The image shown is a half-sectional view of the grooved wheel in the guide wheel of a spinning machine according to the present invention, cut along the plane of symmetry with the guide ribs. Legend: 1—Gateway, 101—First sidewall, 102—Gate bottom, 103—Second sidewall, 104—Gateway inner hole, 105—Guide rib, 106—First conical surface, 107—Second conical surface, 108—First center hole, 2—End cap, 3—Fixed end, 4—Fixed nut, 5—Fixed seat, 501—Second center hole, 502—Gate, 6—End cap base, 601—Snap-fit ​​protrusion, 602—Limiting protrusion, 7—Inner sleeve, 701—First through hole, 702—Snap-fit ​​hole, 703—Third center hole, 704—Second through hole, 705—Guide groove, 706—Reinforcing rib, 707—Guide ramp, 708—Limiting surface, 8—Fixed shaft, 801—Threaded section. Detailed Implementation

[0012] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments: In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0013] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0014] like Figures 1 to 9 The diagram shown is a structural diagram of a guide wheel for a spinning machine according to an embodiment of the present invention, comprising: The grooved wheel has an inner hole at its center. A first central hole with a diameter smaller than the inner hole is located on one side of the inner hole. An inner sleeve is inserted into the inner hole. A third central hole is located on the side of the inner sleeve away from the first central hole. The first and third central holes are coaxial. A fixed shaft passes through the first and third central holes and rotatably fixes the grooved wheel and the inner sleeve at the second central hole of the fixed base. The first and third central holes form two support points on the fixed shaft that are a certain distance apart.

[0015] In this embodiment of the invention, a first central hole with a diameter smaller than the inner diameter of the grooved wheel is provided on one side of the inner hole of the grooved wheel. An inner sleeve is inserted into the inner hole of the grooved wheel, and a third central hole is provided on the side of the inner sleeve away from the first central hole. A fixed shaft passes through the first and third central holes, rotatably fixing the grooved wheel and the inner sleeve at the second central hole of the fixed seat. The first and third central holes form two support points at a certain distance on the fixed shaft. The double support structure of the two support points suppresses the radial runout of the grooved wheel, making the yarn winding more uniform, reducing yarn breakage and defects, and improving the yarn guiding accuracy. It can extend the service life of the guide wheel. The inner sleeve, as a wear-resistant part, can be replaced separately, and the two support points reduce the wear rate of the shaft and the hole, reducing maintenance costs. The improved concentricity reduces running resistance, while the reduced vibration improves the working environment of the guide wheel. The separate structure of the inner sleeve and the grooved wheel facilitates maintenance and component replacement, improving equipment utilization.

[0016] Specifically, a guide wheel for a spinning machine includes a grooved wheel 1. The grooved wheel 1 has a grooved wheel inner hole 104 at its center. One side of the grooved wheel inner hole 104 has a first central hole 108 with a diameter smaller than that of the grooved wheel inner hole 104. An inner sleeve 7 is inserted into the grooved wheel inner hole 104. The inner sleeve 7 has a third central hole 703 on its side away from the first central hole 108. The first central hole 108 and the third central hole 703 are coaxial. A fixed shaft 8 passes through the first central hole 108 and the third central hole 703, and rotatably fixes the grooved wheel 1 and the inner sleeve 7 at the first central hole 108 of the fixed base 5. The first central hole 108 and the third central hole 703 form two support points that are a certain distance apart on the fixed shaft 5.

[0017] Preferably, the inner sleeve 7 has a first through hole 701, a third central hole 703, and a second through hole 704 sequentially arranged along its axis. The diameter of the third central hole 703 is at least smaller than the diameter of either the first through hole 701 or the second through hole 704. The inner sleeve 7 includes an outer cylinder and an inner cylinder, which are connected on one side by an end face ring and at the other end by several reinforcing ribs 706. The circumference of the end face ring has several snap-fit ​​holes 702, preferably three. The snap-fit ​​holes 702 are round or square, and the entrance of the snap-fit ​​hole 702 is provided with a guide ramp 707, and the exit of the snap-fit ​​hole 702 is provided with a limiting surface 708. The outer circumference of the outer cylinder of the inner sleeve 7 is evenly distributed with guide grooves 705, and the guiding direction of the guide grooves 705 is the same as the axial direction of the inner sleeve 7.

[0018] The outer side of the grooved wheel 1 is provided with a first sidewall 101, a groove bottom 102, and a second sidewall 103. The first sidewall 101 and the second sidewall 103 are arranged at a certain angle on both sides of the groove bottom 102 to form the guide wire groove of the grooved wheel 1. The inner side of the grooved wheel 1 is provided with a grooved wheel inner hole 104, and guide ribs 105 are evenly distributed around the circumference of the grooved wheel inner hole 104. One side of the grooved wheel 1 is provided with a first conical surface 106 and a second circumferential surface 107. The first conical surface 106 and the second circumferential surface 107 cooperate with the end face of the fixed end 3 of the fixed seat 5 to play a positioning and guiding role. A third central hole 703 is provided in the axial direction of the second circumferential surface 107. The third central hole 703 is coaxial with the grooved wheel inner hole 104, and the diameter of the third central hole 703 is smaller than the diameter of the grooved wheel inner hole 104. The inner hole 104 of the grooved wheel mates with the outer cylinder of the inner sleeve 7; the guide rib 105 mates with the guide groove 705.

[0019] The end cap 2 includes an end cap base 6. A plurality of snap-fit ​​protrusions 601 are evenly distributed around one side of the end cap base 6. The shape of the snap-fit ​​protrusions 601 matches the shape of the snap-fit ​​holes 702, preferably circular or square. The side of the snap-fit ​​protrusions 601 is provided with limiting protrusions 602. When the snap-fit ​​protrusions 601 and the snap-fit ​​holes 702 are snapped together, the limiting protrusions 602 cooperate with the limiting surface 708 to prevent the end cap 2 from sliding out.

[0020] The fixing base 5 includes a fixing end 3, which has a second central hole 501. A groove 502 is provided on one side of the second central hole 501 for placing the nut of the fixing shaft 8. A conical surface is provided on the other side of the second central hole 501, which cooperates with the first conical surface 106 and the second circumferential surface 107 to play a positioning and guiding role.

[0021] One end of the fixed shaft 8 is provided with a shoulder, which mates with the first through hole 701 and limits the axial sliding of the fixed shaft 8; the first center hole 108 and the third center hole 703 mate with the fixed shaft and support the inner sleeve to rotate on the fixed shaft 8; the wall of the second through hole 704 does not contact the fixed shaft; the second center hole 501 mates with the fixed shaft 8 with a thread or a smooth hole; the end of the fixed shaft 8 without a shoulder is provided with a threaded section 801, and the threaded section 801 is provided with a nut, which fixes the fixed shaft 8 to the side of the groove 502.

[0022] The foregoing has broadly outlined some aspects and features of the various embodiments and should be interpreted as merely illustrative of potential applications. Other beneficial results can be obtained by applying the disclosed information in different ways or by combining aspects of the disclosed embodiments. Further aspects and a more complete understanding can be obtained based on the detailed description of exemplary embodiments with reference to the accompanying drawings, within the scope defined by the claims.

[0023] The above embodiments provide a detailed description of the present invention. Of course, the above description is not intended to limit the present invention, nor is the present invention limited to the examples described above. Any changes, modifications, additions, reductions, or substitutions made by those skilled in the art within the scope of the present invention are also within the protection scope of the present invention.

Claims

1. A guide roller for a spinning frame, characterized in that, The guide wheel of the spinning machine includes a grooved wheel with an inner hole at its center. A first central hole with a diameter smaller than that of the inner hole is located on one side of the inner hole. An inner sleeve is inserted into the inner hole of the grooved wheel, and a third central hole is located on the side of the inner sleeve away from the first central hole. The first and third central holes are coaxial. A fixed shaft passes through the first and third central holes and rotatably fixes the grooved wheel and the inner sleeve at the second central hole of the fixed seat. The first and third central holes form two support points on the fixed shaft that are a certain distance apart.

2. The guide roller for a spinning frame according to claim 1, characterized in that, The inner sleeve has a first through hole, a third central hole, and a second through hole sequentially arranged along its axis. The diameter of the third central hole is at least smaller than the diameter of either the first or second through hole. The inner sleeve includes an outer cylinder and an inner cylinder, which are connected on one side by an end face ring and on the other side by several reinforcing ribs. The circumference of the end face ring has several snap-fit ​​holes. The snap-fit ​​holes are round or square, with a guide ramp at the entrance and a limiting surface at the exit. The outer circumference of the outer cylinder of the inner sleeve is evenly distributed with guide grooves, the guiding direction of which is the same as the axial direction of the inner sleeve.

3. The guide roller for a spinning frame according to claim 2, characterized in that, There are 3 snap-fit ​​holes.

4. The guide roller for a spinning frame according to claim 3, characterized in that, The outer side of the grooved wheel is provided with a first sidewall, a groove bottom, and a second sidewall. The first and second sidewalls are set at a certain angle on both sides of the groove bottom to form the guide wire groove of the grooved wheel. The inner side of the grooved wheel is provided with a grooved wheel inner hole, and guide ribs are evenly distributed around the circumference of the grooved wheel inner hole. One side of the grooved wheel is provided with a first conical surface and a second circumferential surface, which are engaged with the end face of the fixed end of the fixed seat. A third central hole is provided at the axial direction of the second circumferential surface. The third central hole is coaxial with the grooved wheel inner hole, and the diameter of the third central hole is smaller than the diameter of the grooved wheel inner hole.

5. A guide roller for a spinning frame according to any one of claims 1 to 4, characterized in that, The inner hole of the grooved wheel mates with the outer cylinder of the inner sleeve; the guide rib mates with the guide groove.

6. The guide roller for a spinning frame according to claim 5, characterized in that, The end cap includes an end cap base. Several snap-fit ​​protrusions are evenly distributed around one side of the end cap base. The shape of the snap-fit ​​protrusions matches the shape of the snap-fit ​​holes, and can be circular or square. The side of the snap-fit ​​protrusions is provided with limiting protrusions. When the snap-fit ​​protrusions are engaged with the snap-fit ​​holes, the limiting protrusions engage with the limiting surfaces to prevent the end cap from sliding out.

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