A non-powered dynamic balance test device for flying forks of winding machines

Abstract

The present invention relates to a rotating body dynamic balance test device, and in particular to an unpowered dynamic balance test device for a flying fork of a winding machine. The device comprises a base, an outer ring, an outer ring rotating part, an inner ring, an inner ring rotating part, and a core shaft; the outer ring is rotatably connected to the inner side of the base through the outer ring rotating parts arranged at both ends of the horizontal radial direction, the inner ring is rotatably connected to the inner side of the outer ring through the inner ring rotating parts arranged at both ends of the vertical diameter direction, and the core shaft is rotatably arranged coaxially with the outer ring rotating part on the inner side of the inner ring. The device of the present invention has a simple structure and is easy to use. The problem of dynamic balance test of an asymmetric flying fork is solved, and the asymmetric flying fork can be truly applied to high-speed winding machines.

Description

Technical Field

[0001] The invention relates to a rotating body dynamic balance testing device, in particular to a winding machine flying fork unpowered dynamic balance testing device. Background Art

[0002] Winding machine flying forks have very high requirements for dynamic balance due to their high-speed rotation. Otherwise, the machine is prone to vibration, which may result in poor product quality or even safety accidents. Therefore, the design of the flying fork structure is very important. Winding machine flying forks are generally divided into two types: fully symmetrical structure and asymmetrical structure. The fully symmetrical structure can achieve a better dynamic balance, but the winding mold stabilization mechanism needs to be made in two groups, which is large in size and high in cost. The asymmetrical structure has only one group of winding mold stabilization mechanism. Due to the different quality of each part, the dynamic balance is very poor. The advantage is simple structure and low cost.

[0003] Since there are no special dynamic balancing machines for this type of product on the market, and no corresponding testing methods and tools, many manufacturers have to use a completely symmetrical flying fork structure in order to increase the winding speed. If the flying fork with an asymmetrical structure can achieve better dynamic balancing performance, the manufacturing cost of the flying fork of a high-speed winding machine can be greatly reduced.

[0004] The present invention is a non-powered testing tool developed for a flying fork with an asymmetric structure. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide a non-powered dynamic balance test device for a winding machine flying fork in response to the non-powered test needs of the flying fork with asymmetric structure.

[0006] The technical solution for achieving the purpose of the present invention is: a non-powered dynamic balancing test device for a flying fork of a winding machine, comprising a base, an outer ring, an outer ring rotating part, an inner ring, an inner ring rotating part, and a core shaft; the outer ring is rotatably connected to the inner side of the base via the outer ring rotating parts arranged at both horizontal radial ends, the inner ring is rotatably connected to the inner side of the outer ring via the inner ring rotating parts arranged at both vertical diameter ends, and the core shaft is coaxially rotatably arranged on the inner side of the inner ring with the outer ring rotating part.

[0007] Furthermore, the outer ring rotating part includes a base fixing block, an outer ring fixing block base bearing and an outer ring rotating shaft; the base fixing block is installed on the base, the outer ring fixing block is installed on the outer ring, the base bearing is installed in the outer ring fixing block, one end of the outer ring rotating shaft is fixed in the base bearing, and the other end is fixed in the outer ring fixing block.

[0008] Furthermore, the inner ring rotating part includes an outer ring inner fixed block, an inner ring fixed block, an inner ring bearing and an inner ring rotating shaft; the outer ring inner fixed block is installed on the inner side of the outer ring, the inner ring fixed block is installed on the inner ring, the inner ring bearing is installed on the inner side of the outer ring inner fixed block, one end of the inner ring rotating shaft is fixed in the inner ring bearing, and the other end is fixed in the inner ring fixed block.

[0009] Furthermore, the mandrel is fixed in a mandrel fixing block via a mandrel bearing, and the mandrel fixing block is fixed on the inner side of the inner ring.

[0010] Furthermore, a plurality of weight-reducing holes are evenly arranged on the outer ring and the inner ring.

[0011] Furthermore, the base bearing is a low rolling resistance and high precision hybrid ceramic ball bearing.

[0012] Furthermore, the inner ring bearing is a low rolling resistance and high precision hybrid ceramic ball bearing.

[0013] Furthermore, the spindle bearing is a low rolling resistance and high precision hybrid ceramic ball bearing.

[0014] After adopting the above technical solution, the present invention has the following positive effects:

[0015] (1) The device of the present invention has a simple structure and is easy to use.

[0016] (2) The present invention solves the problem of dynamic balance test of asymmetric flying forks, and can make the asymmetric flying forks truly applicable to high-speed winding machines. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to make the content of the present invention more clearly understood, the present invention is further described in detail below according to specific embodiments and in conjunction with the accompanying drawings, wherein

[0018] Figure 1 It is an axonometric view of the present invention;

[0019] Figure 2 It is a front view of the present invention;

[0020] Figure 3 It is a schematic diagram of the specific structure inside the inner ring rotating part;

[0021] Figure 4 Schematic diagram of the specific structure of the outer ring rotating part and the core shaft DETAILED DESCRIPTION

[0022] (Example 1)

[0023] See Figure 1-Figure 4The device of the present invention comprises a base 1, an outer ring 2, an outer ring rotating part 3, an inner ring 4, an inner ring rotating part 5, and a core shaft 6; the outer ring 2 is rotatably connected to the inner side of the base 1 through the outer ring rotating parts 3 arranged at both ends of the horizontal radial direction, the inner ring 4 is rotatably connected to the inner side of the outer ring 2 through the inner ring rotating parts 5 arranged at both ends of the vertical diameter direction, and the core shaft 6 is rotatably arranged on the inner side of the inner ring 4 coaxially with the outer ring rotating part 3. The outer ring rotating part 3 comprises a base fixing block 31, an outer ring fixing block 32 base bearing 33 and an outer ring rotating shaft 34; the base fixing block 31 is mounted on the base 1, the outer ring fixing block 32 is mounted on the outer ring 2, the base bearing 33 is mounted in the outer ring fixing block 32, one end of the outer ring rotating shaft 34 is fixed in the base bearing 33, and the other end is fixed in the outer ring fixing block 32. The base bearing 33 is a low rolling resistance and high precision hybrid ceramic ball bearing. The inner ring rotating part 5 includes an outer ring inner fixed block 51, an inner ring fixed block 52, an inner ring bearing 53 and an inner ring rotating shaft 54; the outer ring inner fixed block 51 is installed on the inner side of the outer ring 2, the inner ring fixed block 52 is installed on the inner ring 4, the inner ring bearing 53 is installed on the inner side of the outer ring inner fixed block 51, one end of the inner ring rotating shaft 54 ​​is fixed in the inner ring bearing 53, and the other end is fixed in the inner ring fixed block 52. The inner ring bearing 53 is a low rolling resistance and high precision hybrid ceramic ball bearing. The mandrel 6 is fixed in the mandrel fixed block 61 through the mandrel bearing 62, and the mandrel fixed block 61 is fixed on the inner side of the inner ring 4. The mandrel bearing 62 is a low rolling resistance and high precision hybrid ceramic ball bearing. A number of weight reduction holes 8 are evenly arranged on the outer ring 2 and the inner ring 4.

[0024] Working principle:

[0025] Fix the base 1, put the inner ring 4 and the outer ring 2 in a horizontal position, pass the flying fork 7 through the core shaft 6, use the main shaft hole of the flying fork 7 as the rotating part Y, balance the mass of the normal plane of the rotating part Y, and lock the counterweight block by drilling screw holes on each surface so that the mass point falls on the rotating part Y;

[0026] Adjust the flying fork to a vertical state, lock the core shaft 6 so that the flying fork 7 cannot rotate around the rotating part Y, and then translate the flying fork forward and backward along the rotating part Y direction, and continuously adjust the position of the flying fork 7 through the balance state of the flying fork 7 relative to the Z axis, so that its mass point falls on the Z axis. At this time, the main axis of inertia I z Coincident with the Z axis;

[0027] Loosen the mandrel 6, use compressed air to drive the flying fork 7 to rotate rapidly around the rotating part Y, stop blowing, and the flying fork 7 will rotate inertially without power. y It does not coincide with the Y axis, and the Y axis will be I z The shaft swings to a horizontal angle α, and the Y axis is swung back to the horizontal position by adding equal weights at two symmetrical locations A and B on the flying fork 7. At this time, the inertia principal axis I y coincides with the Y axis;

[0028] The three main axes of inertia of the flying fork 7 coincide with the three coordinate axes of X, Y and Z and pass through the center of mass of the flying fork 7, so that the flying fork reaches a dynamic equilibrium state.

[0029] The specific embodiments described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A non-powered dynamic balance test device for a flying fork of a winding machine. Features: The invention comprises a base (1), an outer ring (2), an outer ring rotating part (3), an inner ring (4), an inner ring rotating part (5), and a core shaft (6); the outer ring (2) is rotatably connected to the inner side of the base (1) via the outer ring rotating parts (3) arranged at both ends in the horizontal radial direction; the inner ring (4) is rotatably connected to the inner side of the outer ring (2) via the inner ring rotating parts (5) arranged at both ends in the vertical radial direction; the core shaft (6) is rotatably arranged on the inner side of the inner ring (4) coaxially with the outer ring rotating part (3); the core shaft (6) is fixed in a core shaft fixing block (61) via a core shaft bearing (62); the core shaft fixing block (61) is fixed on the inner side of the inner ring (4); a plurality of weight reduction holes (8) are evenly arranged on the outer ring (2) and the inner ring (4); Fix the base (1), put the inner ring (4) and the outer ring (2) in a horizontal position, pass the flying fork (7) through the core shaft (6), use the main shaft hole of the flying fork (7) as the rotating part Y, balance the mass of the normal plane of the rotating part Y, and lock the counterweight block by drilling screw holes on each surface so that the mass point falls on the rotating part Y; The flying fork (7) is adjusted to a vertical state, the core shaft (6) is locked so that the flying fork (7) cannot rotate around the rotating part Y, and then the flying fork (7) is translated forward and backward along the rotating part Y direction, and the position of the flying fork (7) is continuously adjusted through the balance state of the flying fork (7) relative to the Z axis so that its mass point falls on the Z axis. At this time, the main axis of inertia I z Coincident with the Z axis; Loosen the mandrel (6), use compressed air to drive the flying fork (7) to rotate rapidly around the rotating part Y, stop blowing, and the flying fork (7) will rotate inertially without power. y It does not coincide with the Y axis, and the Y axis will be I z The axis of rotation swings to a horizontal angle α, and the Y axis is swung back to the horizontal position by adding equal weights at two symmetrical locations A and B on the flying fork (7). At this time, the main axis of inertia I y coincides with the Y axis; The three main axes of inertia of the flying fork (7) coincide with the three coordinate axes of X, Y and Z and pass through the center of mass of the flying fork (7), so that the flying fork (7) reaches a dynamic equilibrium state.

2. A winding machine flying fork unpowered dynamic balance test device according to claim 1, Features: The outer ring rotating part (3) comprises a base fixing block (31), an outer ring fixing block (32), a base bearing (33) and an outer ring rotating shaft (34); the base fixing block (31) is mounted on the base (1), the outer ring fixing block (32) is mounted on the outer ring (2), the base bearing (33) is mounted in the outer ring fixing block (32), and one end of the outer ring rotating shaft (34) is fixed in the base bearing (33) and the other end is fixed in the outer ring fixing block (32).

3. A winding machine flying fork unpowered dynamic balance test device according to claim 1, Features: The inner ring rotating part (5) comprises an outer ring inner fixed block (51), an inner ring fixed block (52), an inner ring bearing (53) and an inner ring rotating shaft (54); the outer ring inner fixed block (51) is mounted on the inner side of the outer ring (2), the inner ring fixed block (52) is mounted on the inner ring (4), the inner ring bearing (53) is mounted on the inner side of the outer ring inner fixed block (51), and one end of the inner ring rotating shaft (54) is fixed in the inner ring bearing (53), and the other end is fixed in the inner ring fixed block (52).

4. A winding machine flying fork unpowered dynamic balance test device according to claim 2, Features: The base bearing (33) is a low rolling resistance and high precision hybrid ceramic ball bearing.

5. A winding machine flying fork unpowered dynamic balance test device according to claim 3, Features: The inner ring bearing (53) is a low rolling resistance and high precision hybrid ceramic ball bearing.

6. A winding machine flying fork unpowered dynamic balance test device according to claim 1, Features: The spindle bearing (62) is a low rolling resistance and high precision hybrid ceramic ball bearing.

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