Universal static balance detection device for workbench type rotary body parts

By designing a testing device with a conical sleeve clamping structure suitable for rotating parts, the limitations of existing equipment in testing complex structures and parts made of special materials have been overcome. This has enabled high-precision and convenient static balance testing, improving the versatility of the equipment and the stability of the machinery.

CN223485384UActive Publication Date: 2025-10-28QI ZHONG SHU KONG ZHUANG BEI GU FEN YOU XIAN GONG SI
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423172194.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-10-28
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

Existing equipment can only inspect rotating parts of specific sizes or shapes, and it is difficult to inspect parts with complex structures or special materials. The inspection process is complicated, time-consuming and labor-intensive, and easily affected by human factors, resulting in inconsistent and inaccurate results.

Method used

A universal static balance testing device for table-type rotating parts was designed. It adopts a conical sleeve clamping structure and includes components such as a mandrel, conical sleeve, spacer, pressure plate, pressure ring, and V-shaped pad. It can realize static balance testing of table-type rotating parts of vertical and horizontal lathes with inner hole diameters between Φ270 and Φ710, and is suitable for complex structures and special materials.

Benefits of technology

It improves detection accuracy and equipment versatility, simplifies the operation process, reduces machine tool vibration and noise, and enhances the stability and reliability of mechanical equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223485384U_ABST
    Figure CN223485384U_ABST
Patent Text Reader

Abstract

The utility model discloses a general static balance detection device for workbench type rotary body parts, which is characterized in that a mandrel is matched with two taper sleeves, one end of the mandrel is provided with a deep groove ball bearing, and the outside of the mandrel is provided with a spacer bush; the spacer bush is close to one side of the end part of the mandrel, a pressing ring I is matched on the mandrel, a pressing plate is arranged outside the pressing ring I, and the pressing plate is fixed with the spacer bush; the other side of the pressing ring and the mandrel are connected with a locking nut; the other end of the mandrel is matched with a transition sleeve, a deep groove ball bearing is arranged outside the transition sleeve, and a spacer bush is arranged outside the transition sleeve; the transition sleeve is close to one side of the end part of the core shaft, and the core shaft is matched with a pressing ring II; a pressing plate is arranged outside the pressing ring II and is fixed with the spacer bush; the other side of the pressing ring II and the mandrel are connected with a locking nut; two square boxes are arranged below the mandrel, the top of each square box is provided with a V-shaped sizing block, equal-height sizing blocks are arranged between the V-shaped sizing blocks and the square boxes, and the spacer bushes are located in the V-shaped sizing blocks on the corresponding sides respectively. According to the utility model, the static balance detection experiment of vertical lathe and horizontal lathe workbench type rotary body parts with the inner hole diameter of phi 270-phi 710 is realized.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to a universal static balance testing device for workbench-type rotating parts, belonging to the field of mechanical technology. Background Technology

[0002] With the continuous improvement of machining quality requirements, the static balance of rotating parts such as worktables in heavy machinery such as vertical lathes and horizontal lathes directly affects the overall operation and lifespan of the equipment. Existing equipment testing has limitations, as it can only test rotating parts of specific sizes or shapes. For parts with complex structures or special materials, the testing effect may be poor. The testing process is complex, relying on manual adjustment and judgment, which is not only time-consuming and labor-intensive, but also easily affected by human factors, leading to inconsistent test results. The instability of the equipment's own performance may also lead to inaccurate test results. Utility Model Content

[0003] To overcome the shortcomings of the existing technology, this utility model provides a universal static balance testing device for workbench-type rotating parts. This device can effectively test parts with complex structures or special materials. The testing process is convenient, time-saving and labor-saving, and realizes static balance testing experiments for workbench-type rotating parts of vertical and horizontal lathes with inner hole diameters between Φ270 and Φ710.

[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: a general static balance testing device for workbench-type rotating parts, including a mandrel, a tapered sleeve, a spacer, a pressure plate, a pressure ring, a V-shaped shim, a square box, an adjusting shim, a transition sleeve, a deep groove ball bearing, and a pressure ring II. The mandrel is horizontally arranged, and two symmetrically arranged tapered sleeves are fitted and connected to the middle shaft of the mandrel. On one side of the plane of the two tapered sleeves, two round nuts are threadedly connected to the mandrel, and the round nuts are adjacent to the plane of their respective tapered sleeves. A deep groove ball bearing is installed at one end of the mandrel, and a spacer is installed outside the deep groove ball bearing. On the side of the spacer near the end of the mandrel, a pressure ring I is fitted and connected to the mandrel, and the pressure ring I is in close contact with the deep groove ball bearing. A circular pressure plate is installed outside the pressure ring I, and the pressure plate is adjacent to the spacer and connected by screws. On the other side of the pressure ring I, a locking nut is threadedly connected to the mandrel.

[0005] The other end of the mandrel is fitted with a transition sleeve, and a deep groove ball bearing is mounted on the outside of the transition sleeve. A spacer is mounted on the outside of the deep groove ball bearing. On the side of the transition sleeve near the end of the mandrel, a pressure ring II is fitted on the mandrel. The pressure ring II is in close contact with the deep groove ball bearing. A circular pressure plate is mounted on the outside of the pressure ring II. The pressure plate is adjacent to the spacer and connected by screws. On the other side of the pressure ring II, a lock nut is threaded onto the mandrel.

[0006] Two spaced square boxes are set below the mandrel. A V-shaped shim is set on the top of each square box. A shim of equal height is set between the V-shaped shim and the square box. The spacers at both ends of the mandrel are located in the V-shaped shims on their respective sides. Two spaced adjusting shims are set between the bottom of the square box and the ground.

[0007] Furthermore, a level shim is installed between the V-shaped shim and the square box.

[0008] Furthermore, the cones of the two conical sleeves are opposite each other.

[0009] The beneficial effects of this utility model are: This utility model realizes the static balance test of rotating parts such as vertical and horizontal lathe worktables with inner hole diameters between Φ270 and Φ710, improving the utilization rate and flexibility of the equipment; it can effectively test rotating parts with complex structures or special materials, the testing process is convenient, time-saving and labor-saving, ensuring the machining accuracy of the machine tool, reducing machine tool vibration and noise, and breaking through the technical bottlenecks in related fields.

[0010] Compared to existing devices, this design breaks through the limitations of traditional balance testing equipment. By adopting conical sleeve clamping, it not only improves the detection accuracy and expands the application range to meet the testing needs of various rotating parts, but also enhances the versatility of the equipment, simplifies the operation process, and makes it safer and more reliable. It is suitable for static balance testing devices for rotating parts, thereby improving the overall stability and reliability of mechanical equipment. Attached Figure Description

[0011] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 yes Figure 1 Enlarged diagram of point A.

[0014] Figure 3 yes Figure 1 Enlarged diagram of point B.

[0015] Numbering on the map:

[0016] 1. Mandrel, 2. Round nut, 3. Tapered sleeve, 4. Spacer, 5. Pressure plate, 6. Pressure ring I, 7. Locking nut, 8. V-shaped shim, 9. Equal height shim, 10. Square box, 11. Adjusting shim, 12. Transition sleeve, 13. Deep groove ball bearing, 14. Parts, 15. Pressure ring II. Detailed Implementation

[0017] like Figure 1As shown in Figure 3, a general static balance testing device for table-type rotating parts includes a mandrel 1, tapered sleeves 3, spacers 4, pressure plates 5, pressure rings I 6, V-shaped shims 8, square boxes 10, adjusting shims 11, transition sleeves 12, deep groove ball bearings 13, and pressure rings II 15. The mandrel 1 is horizontally arranged, and two symmetrically arranged tapered sleeves 3 are connected to the middle shaft of the mandrel 1, with the cones of the two tapered sleeves 3 facing each other. On one side of the plane of the two tapered sleeves 3, two round nuts are threadedly connected to the mandrel 1. 2. The round nut 2 is adjacent to the plane of its respective side tapered sleeve 3; a deep groove ball bearing 13 is installed at one end of the mandrel 1, and a spacer 4 is installed on the outside of the deep groove ball bearing 13; on the side of the spacer 4 near the end of the mandrel 1, a pressure ring I6 is connected to the mandrel 1, and the pressure ring I6 is in close contact with the deep groove ball bearing 13; a circular pressure plate 5 is installed on the outside of the pressure ring I6, and the pressure plate 5 is adjacent to the spacer 4 and connected by screws; on the other side of the pressure ring I6, a lock nut 7 is threadedly connected to the mandrel 1.

[0018] The other end of the mandrel 1 is connected to a transition sleeve 12. A deep groove ball bearing 13 is installed on the outside of the transition sleeve 12. A spacer 4 is installed on the outside of the deep groove ball bearing 13. On the side of the transition sleeve 12 near the end of the mandrel 1, a pressure ring II 15 is connected to the mandrel 1. The pressure ring II 15 is in close contact with the deep groove ball bearing 13. A circular pressure plate 5 is installed on the outside of the pressure ring II 15. The pressure plate 5 is adjacent to the spacer 4 and connected by screws. On the other side of the pressure ring II 15, a lock nut 7 is threadedly connected to the mandrel 1.

[0019] Below the mandrel 1, there are two spaced square boxes 10. Each square box 10 has a V-shaped shim 8 on its top. A level shim 9 is placed between the V-shaped shim 8 and the square box 10. The spacers 4 at both ends of the mandrel 1 are located in the V-shaped shims 8 on their respective sides. There are two spaced adjusting shims 11 between the bottom of the square box 10 and the ground.

[0020] The working principle of this device is mainly based on the principle of static balance testing. During use, the horizontal mandrel 1 passes through the part 14 to be tested. The left and right sides of the part 14 are fixed to the mandrel 1 by the tapered sleeve 3 and the round nut 2. The cone of the tapered sleeve 3 is inserted into the center hole on both sides of the center of the part 14. The left end of the mandrel 1 passes through the spacer 4 and is fitted with a deep groove ball bearing 13. The spacer 4 is fixed to the mandrel 1 by the pressure plate 5. The left end of the mandrel 1 is fitted with a pressure ring I 6 and is closed by a round lock nut 7. The right end of the mandrel 1 is fitted with a transition sleeve 12 and a deep groove ball bearing 13. The spacer 4 is fixed to the mandrel 1 by the pressure plate 5. The right end of the mandrel 1 is fitted with a pressure ring II 15 and is closed by a lock nut 7. Two square boxes 10 are placed on the leveling shims 11. Two equal height shims 9 are placed on the square boxes 10 on both sides. Two V-shaped shims 8 are connected to the equal height shims 9 on their respective sides. Finally, the two ends of the mandrel 1 of the statically balanced body after connection are placed on two V-shaped pads 8 for static balance testing.

Claims

1. A universal static balance testing device for table-type rotating parts, characterized in that: The components include a mandrel (1), a tapered sleeve (3), a spacer (4), a pressure plate (5), a pressure ring I (6), a V-shaped shim (8), a square box (10), an adjusting shim (11), a transition sleeve (12), a deep groove ball bearing (13), and a pressure ring II (15). The mandrel (1) is horizontally arranged, and two symmetrically arranged tapered sleeves (3) are fitted onto the middle shaft of the mandrel (1). On one side of the plane of the two tapered sleeves (3), two round nuts (2) are threaded onto the mandrel (1), and the planes of the round nuts (2) and their respective side tapered sleeves (3) are... Adjacent; a deep groove ball bearing (13) is installed at one end of the mandrel (1), and a spacer (4) is installed on the outside of the deep groove ball bearing (13); on the side of the spacer (4) near the end of the mandrel (1), a pressure ring I (6) is connected to the mandrel (1), and the pressure ring I (6) is in close contact with the deep groove ball bearing (13); a circular pressure plate (5) is installed on the outside of the pressure ring I (6), and the pressure plate (5) is adjacent to the spacer (4) and connected by screws; on the other side of the pressure ring I (6), a lock nut (7) is threaded on the mandrel (1); A transition sleeve (12) is connected to the other end of the mandrel (1). A deep groove ball bearing (13) is installed on the outside of the transition sleeve (12). A spacer (4) is installed on the outside of the deep groove ball bearing (13). On the side of the transition sleeve (12) near the end of the mandrel (1), a pressure ring II (15) is connected to the mandrel (1). The pressure ring II (15) is in close contact with the deep groove ball bearing (13). A circular pressure plate (5) is installed on the outside of the pressure ring II (15). The pressure plate (5) is adjacent to the spacer (4) and connected by screws. On the other side of the pressure ring II (15), a lock nut (7) is threaded onto the mandrel (1). Two spaced square boxes (10) are set below the mandrel (1). A V-shaped shim (8) is set on the top of each square box (10). A level shim (9) is set between the V-shaped shim (8) and the square box (10). The spacers (4) at both ends of the mandrel (1) are located in the V-shaped shims (8) on their respective sides. Two spaced adjusting shims (11) are set between the bottom of the square box (10) and the ground.

2. The universal static balance testing device for table-type rotating parts according to claim 1, characterized in that: A level shim (9) is provided between the V-shaped shim (8) and the square box (10).

3. The universal static balance testing device for table-type rotating parts according to claim 1, characterized in that: The cones of the two conical sleeves (3) are opposite each other.