A fixing device for a spinning wheel

Abstract

The present invention discloses a fixing device for a spinning wheel, which belongs to the technical field of spinning processing equipment. The device comprises a bracket (1) and a U-shaped groove (14), a spinning wheel (2) is arranged in the U-shaped groove (14), a through hole 1 (3) and a through hole 3 (5) are arranged on the side walls of the U-shaped groove (14), an annular groove (4) (4) is arranged on the inner side of the through hole 3 (5), a spinning wheel shaft (8) is arranged on the through hole 1 (3) and the annular groove (4), the spinning wheel shaft (8) is arranged in a hollow cylindrical shape, a locking screw 1 (9) is arranged in the cylindrical cavity of the spinning wheel shaft (8), and the locking screw 1 (9) fixes the spinning wheel shaft (8) and the U-shaped groove (14) together. The present invention hides the end of the locking screw 1 (9) inside the spinning wheel (2), thereby avoiding the end of the locking screw 1 (9) from contacting with a workpiece, which causes defects in the workpiece, and can improve product quality.

Description

Technical Field

[0001] The invention belongs to the technical field of spinning processing equipment, and in particular relates to a fixing device for a spinning wheel. Background Art

[0002] Conventional spinner fixtures typically use a long screw to secure the spinner and the spinner bracket. The screw passes through both the spinner and the spinner bracket. When the spinner is secured, the head of the screw hangs outside the bracket, while the tail of the screw is located inside the bracket. As the spinner spins the spun part, the part curls under the spinning action. This curled part easily comes into contact with the screw head hanging outside the bracket, causing deformation of the processed spun part. This can lead to product defects, affect product quality, and reduce the yield rate of the spun part.

[0003] The Chinese utility model application number 201821004450.8, filed on June 27, 2018, discloses a spinning wheel assembly device, comprising a spinning wheel frame, a spinning wheel, and a spinning wheel spindle; the spinning wheel frame is provided with a spindle mounting hole at the lower end; the spinning wheel spindle is a stepped shaft, a partition shaft is provided in the middle of the spinning wheel spindle, and the partition shaft is divided into a bearing mounting section and a spinning wheel mounting section by the partition shaft; the spinning wheel spindle gradually decreases in diameter from the partition shaft to both ends; the bearing mounting section is mounted in the spindle mounting hole by multiple bearings; the partition shaft abuts against the end wall of the spindle mounting hole; the spinning wheel mounting section is outside the spindle mounting hole; the spinning wheel is mounted on the spinning wheel mounting section and fixed by a first nut. This design has a large pressure-bearing capacity, and there is sufficient space on the bearing mounting section to accommodate multiple bearings to withstand the pressure of the spinning wheel during operation. Moreover, due to the positioning effect of the partition part, the spinning wheel will not produce axial displacement under pressure, and the working state is stable.

[0004] However, in the above-mentioned spinning wheel assembly device, both ends of the spinning wheel main shaft for fixing the spinning wheel are arranged outside the spinning wheel. Like other existing technologies, it is easy to come into contact with the spinning part during the spinning process, thereby causing defects in the product and affecting product quality. Summary of the Invention

[0005] The problem to be solved by the present invention is that the head of the locking screw of the rotating wheel fixing device in the prior art will come into contact with the spinning part, which may cause the spinning part to deform and affect the product quality. A spinning wheel fixing device is now provided that can hide the end of the locking screw inside the rotating wheel.

[0006] In order to solve the above technical problems, the present invention provides a fixing device for a spinning wheel, comprising a bracket and a U-shaped groove arranged on the bracket, a spinning wheel is arranged in the U-shaped groove, a through hole one and a through hole three are respectively arranged on the side walls of the U-shaped groove, an annular groove is arranged on the inner side of the through hole three, the diameter of the annular groove is larger than the diameter of the through hole three, a spinning wheel shaft is arranged on the through hole one and the annular groove, a through hole two is arranged in the center of the spinning wheel, a bearing is arranged on the through hole two, the bearing is fixed on the spinning wheel shaft, the spinning wheel shaft is arranged to be a hollow cylindrical shape, a locking screw one is arranged in the cylindrical cavity of the spinning wheel shaft, and the locking screw one fixes the spinning wheel shaft and the U-shaped groove.

[0007] As a further improvement measure of the present invention, the above-mentioned fixing device of the spinning wheel is characterized in that the inner cavity of the cylindrical spinning wheel shaft is provided with an inner flange 1, the locking screw 1 is provided with an outer thread 1, and the end of the locking screw 1 is provided with an outer flange 1. The diameter of the cavity between the inner flange 1 is larger than the diameter of the outer thread 1 of the locking screw 1, and the diameter of the cavity between the inner flange 1 is smaller than the diameter of the outer flange 1 of the locking screw 1, so that the locking screw 1 will not contact the cavity between the inner flange 1.

[0008] As a further improvement measure of the present invention, the above-mentioned fixing device of the spinning wheel is provided with an internal thread one in the through hole three, and the external thread one cooperates with the internal thread one, so that the spinning wheel shaft and the U-shaped groove can be fixedly connected by a locking screw one.

[0009] As a further improvement measure of the present invention, in the above-mentioned fixing device for the spinning wheel, one end of the spinning wheel shaft is provided with a second outer flange, and the diameter of the second outer flange is larger than the inner diameter of the bearing.

[0010] As a further improvement measure of the present invention, in the above-mentioned fixing device for a spinning wheel, an inner surface of the inner flange 1 is provided with an inner thread 2.

[0011] As a further improvement measure of the present invention, the above-mentioned fixing device of the spinning wheel is provided with an inner flange 2 at the center of the spinning wheel, and the bearings are respectively provided on both sides of the inner flange 2, which can play a role in determining the position of the bearings.

[0012] Compared with the prior art, the beneficial effects of the present invention are: 1. By cooperating with the rotating wheel shaft and the locking screw, the screw head is hidden inside the rotating wheel, which can avoid contact between the screw head and the spun part, resulting in defects in the spun part, and improve product quality; 2. The present invention is easy to install and also convenient for disassembly of the rotating wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional schematic diagram of the present invention.

[0014] Figure 2 This invention Figure 1 Exploded view of the structure.

[0015] Explanation of the accompanying numbers: 1-bracket; 2-rotating wheel; 3-through hole 1; 4-annular groove; 5-through hole 3; 6-through holes 24; 7-bearing; 8-rotating wheel shaft; 9-locking screw 1; 10-inner flange 1; 11-outer flange 1; 12-outer flange 2; 13-inner flange 2; 14-U-shaped groove; 15-outer thread 1; 16-inner thread 1; 17-inner thread 2. DETAILED DESCRIPTION

[0016] The present invention will be further described below with reference to the accompanying drawings.

[0017] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention 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 only used to explain the present invention and are not intended to limit the present invention.

[0018] like Figure 1 and Figure 2 The device for fixing a spinning wheel shown in the figure includes a bracket 1 and a U-shaped groove 14 provided on the bracket 1. A spinning wheel 2 is provided in the U-shaped groove 14. A through hole 1 3 and a through hole 3 5 are provided on the sidewalls of the U-shaped groove 14, respectively. An annular groove 4 is provided on the inner side of the through hole 3 5. The diameter of the annular groove 4 is larger than the diameter of the through hole 3 5. A spinning wheel shaft 8 is provided on the through hole 1 3 and the annular groove 4. The two ends of the spinning wheel shaft 8 are placed on the through hole 1 3 and the annular groove 4. A through hole 2 6 is provided at the center of the spinning wheel 2. A bearing 7 is provided on the through hole 2 6. Two bearings 7 are provided. The spinning wheel shaft 8 passes through the center of the bearings 7, so that the bearings 7 are fixed on the spinning wheel shaft 8. The bearings 7 serve to assist rotation. An inner flange 2 13 is provided at the center of the spinning wheel 2. The bearings 7 are provided on both sides of the inner flange 2 13. This can fix the position of the bearing 7 and prevent the bearing 7 from moving axially in the through hole 2 6.

[0019] like Figure 1 and Figure 2As shown, the wheel shaft 8 is configured to be a hollow cylinder, and a locking screw 9 is provided in the cylindrical cavity of the wheel shaft 8, and the locking screw 9 fixes the wheel shaft 8 and the U-shaped groove 14. The inner cavity of the cylindrical roller shaft 8 is provided with an inner flange 10, the locking screw 9 is provided with an outer thread 15, and the end of the locking screw 9 is provided with an outer flange 11. The diameter of the cavity between the inner flanges 10 is larger than the diameter of the outer thread 15 of the locking screw 9, and the diameter of the cavity between the inner flanges 10 is smaller than the diameter of the outer flange 11 of the locking screw 9. The through hole 35 is provided with an inner thread 16, and the outer thread 15 cooperates with the inner thread 16. In this way, after the locking screw 9 passes through the cavity between the inner flanges 10, the outer flange 11 at one end of the locking screw 9 is stuck on the top of the inner flange 10, and the outer thread 15 on the other end of the locking screw 9 is fixed with the inner thread 16. The outer flange 11 of the locking screw 9 exerts a downward force on the roller shaft 8 to press the roller shaft 8, thereby fixing the roller shaft 8 and the U-shaped groove 14.

[0020] like Figure 1 and Figure 2 As shown, one end of the rotating wheel shaft 8 is provided with an outer flange 2 12, which is arranged in the through hole 1 3. The diameter of the outer flange 2 12 is larger than the inner diameter of the bearing 7. The lower end surface of the outer flange 2 12 abuts against the bearing 7. Under the action of the locking screw 1 9 on the rotating wheel shaft 8, the outer flange 2 12 will apply pressure to the bearing 7, thereby fixing the bearing 7.

[0021] like Figure 1 and Figure 2 As shown, an internal thread 2 17 is provided on the inner surface of the inner flange 10, and the locking screw 1 9 and the internal thread 2 17 do not contact each other. When the rotating wheel 2 needs to be disassembled, it is rather troublesome to remove it by ordinary means. At this time, the locking screw 1 9 fixed inside the rotating wheel shaft 8 can be removed by a tool first, and then the locking screw 2 matching the internal thread 2 17 is inserted into the rotating wheel shaft 8, and the external thread 2 of the locking screw 2 is matched with the internal thread 2 17 to be fixed. Then, the locking screw 2 is knocked back from the direction opposite to the insertion of the locking screw 2 into the rotating wheel shaft 8, and the locking screw 2 and the rotating wheel shaft 8 can be taken out together to complete the disassembly of the rotating wheel 2.

[0022] The above describes the embodiments of the present invention in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. A person skilled in the art may make several modifications and improvements without departing from the present invention, and these should also be considered to fall within the scope of protection of the present invention.

Claims

1. A fixing device for a spinning wheel, comprising a bracket (1) and a U-shaped groove (14) arranged on the bracket (1), wherein a spinning wheel (2) is arranged in the U-shaped groove (14), characterized in that: A through hole 1 (3) and a through hole 3 (5) are respectively arranged on the side walls of the U-shaped groove (14). An annular groove (4) is arranged on the inner side of the through hole 3 (5). The diameter of the annular groove (4) is larger than the diameter of the through hole 3 (5). A rotating wheel shaft (8) is arranged on the through hole 1 (3) and the annular groove (4). A through hole 2 (6) is arranged at the center of the rotating wheel (2). A bearing (7) is arranged on the through hole 2 (6). The bearing (7) is fixed on the rotating wheel shaft (8). The rotating wheel shaft (8) is arranged in a hollow cylindrical shape. A locking screw 1 (9) is arranged in the cylindrical cavity of the rotating wheel shaft (8). The locking screw 1 (9) fixes the rotating wheel shaft (8) and the U-shaped groove (14). The inner cavity of the cylindrical rotating wheel shaft (8) is provided with an inner flange (10), the locking screw (9) is provided with an outer thread (15), the end of the locking screw (9) is provided with an outer flange (11), the diameter of the cavity between the inner flange (10) is larger than the diameter of the outer thread (15) of the locking screw (9), the diameter of the cavity between the inner flange (10) is smaller than the diameter of the outer flange (11) of the locking screw (9), the through hole (5) is provided with an inner thread (16), the outer thread (15) cooperates with the inner thread (16), one end of the rotating wheel shaft (8) is provided with an outer flange (12), the diameter of the outer flange (12) is larger than the inner diameter of the bearing (7).

2. A fixing device for a spinning wheel according to claim 1, characterized in that: The inner surface of the inner flange 1 (10) is provided with an inner thread 2 (17).

3. A fixing device for a spinning wheel according to any one of claims 1 to 2, characterized in that: A second inner flange (13) is provided at the center of the rotating wheel (2), and the bearings (7) are respectively provided on both sides of the second inner flange (13).

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