Belleville spring assembly assembling tool

Abstract

An assembly tool for a belleville spring assembly is provided with a base, a telescopic boss, a telescopic boss driving device, a positioning stud and a locking nut. The telescopic boss driving device adopts a pneumatic mode and is connected with an external high-pressure air source; the base is a square pedestal, a cavity with an opening in the upper end is formed in the middle of the base and is of a stepped cylindrical hole structure, the diameter of a cavity body of the cavity is smaller than that of the bottom of the cavity, a telescopic boss is assembled in the cavity in a vertically movable mode, and a sealing ring is assembled between the inner wall of the cavity and the telescopic boss. The bottom of the cavity is communicated with the telescopic boss driving device through a gas pipeline; the telescopic boss is of a cylinder structure, and the upper end face of the telescopic boss is a horizontal plane. The positioning studs are fixed to the four corners of the base, and the locking nuts are assembled on the positioning studs. According to the utility model, the assembly quality of the belleville spring assembly is ensured, and the purposes of meeting the use performance requirements of the belleville spring and improving the working efficiency are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical parts assembly, in particular to an assembly tool for a disc spring component. Background Art

[0002] Disc springs work by providing sufficient elasticity through the superposition of a certain number of disc-shaped springs. Due to their variable stiffness characteristics and compact installation, they are used in the fields of machinery and equipment industry, petroleum industry, automobile industry and aerospace industry, and have replaced cylindrical coil springs to a certain extent. Figure 1 、 Figure 2 A disc spring assembly 1 is shown, which includes a spring base 1-3, a disc spring 1-2 and an upper cover 1-1. The center of the spring base 1-3 is provided with an upwardly protruding cylindrical boss; the disc spring 1-2 is sleeved on the outside of the cylindrical boss of the spring base 1-3; the upper cover 1-1 is placed above the disc spring 1-2, and the upper cover 1-1 and the spring base 1-3 are connected by screws 1-4 assembled along the central axis; assembly holes 1-5 for cooperating with other components are provided at corresponding positions of the four corners of the spring base 1-3 and the upper cover 1-1.

[0003] In the attached Figure 1 、 Figure 2 During the assembly of the disc spring assembly 1 shown, the following factors must be considered: first, a certain installation distance must be reserved between the upper cover and the spring base 1-3 of 1-1; second, the disc springs 1-2 must meet the installation preload requirements; third, the coaxiality of each set of disc springs 1-2 must be ensured; fourth, installation efficiency must be improved; and fifth, human measurement errors during installation must be reduced. To achieve this, a dedicated assembly tool for the disc spring assembly 1 must be innovatively designed to ensure assembly quality. Utility Model Content

[0004] The utility model provides a disc spring assembly assembly tool, which aims to ensure the assembly quality of the disc spring assembly through the cooperation of a base, a telescopic boss, a telescopic boss driving device, a positioning bolt assembly and a locking nut, so as to meet the performance requirements of the disc spring and improve work efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A disc spring assembly assembly tool is provided with a base, a telescopic boss, a telescopic boss drive device, a positioning stud and a locking nut; the telescopic boss drive device adopts a pneumatic mode and is connected to an external high-pressure gas source; the base is a square pedestal, and a cavity with an open upper end is provided in the middle of the base, and the cavity is a stepped cylindrical hole structure, and its cavity diameter is smaller than the bottom diameter. The telescopic boss is mounted in the cavity in a movable manner, and a sealing ring is mounted between the inner wall of the cavity and the telescopic boss, and the bottom of the cavity is connected to the telescopic boss drive device through a gas pipeline; the telescopic boss is a cylindrical structure, and its upper end face is a horizontal plane; the positioning studs are fixed at the four corners of the base, and locking nuts are mounted on the positioning studs.

[0007] The disc spring assembly assembly tooling is provided with a scale on the base, and a scale probe which can move up and down is mounted on the scale.

[0008] The above-mentioned disc spring assembly tooling is provided with a level ruler on the upper end surface of the base. The level rulers are provided in two groups, one group each being arranged parallel to the horizontal and vertical sides of the base.

[0009] The above-mentioned disc spring assembly assembly tool is provided with a pressure gauge, a pressure regulating knob, a boost switch and a pressure relief switch on the control panel of the telescopic boss drive device.

[0010] In the above-mentioned disc spring assembly tool, the bottom of the telescopic boss is an inverted conical table surface.

[0011] In the above-mentioned disc spring assembly tooling, the locking nut is a butterfly nut.

[0012] The present invention provides a disc spring assembly assembly tool. When assembling the disc spring assembly, high-pressure gas can be provided by a pneumatic telescopic boss drive device. Under the action of the high-pressure gas pressure, the telescopic boss moves upward, pushing the spring base to compress the disc spring elastically deformed, thereby adjusting the installation distance between the spring base and the upper cover plate, and ensuring the preload force of the disc spring. The present invention can detect the horizontality of the base through a level ruler provided on the base, thereby achieving vertical movement of the telescopic boss under the guidance of the cavity of the base cavity, and through the cooperation of the positioning stud and the locking nut, ensure the coaxiality of the pre-compression deformation of each group of disc springs during the assembly process. The present invention utilizes the conversion relationship between the air supply pressure and the preload force of the disc spring and the installation distance between the spring base and the upper cover plate, adjusts the air supply pressure through the pressure adjustment knob of the telescopic boss drive device, and reads the specific value through the pressure gauge, making it easier for the operator to accurately control the preload force of the disc spring, thereby improving work efficiency. In conclusion, the utility model ensures the assembly quality of the disc spring assembly, achieves the purpose of meeting the performance requirements of the disc spring and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the disc spring assembly involved in the present utility model;

[0014] Figure 2 yes Figure 1 Schematic diagram of the cross-section structure;

[0015] Figure 3 It is a schematic diagram of the structure of the utility model;

[0016] Figure 4 yes Figure 3 A top view of

[0017] Figure 5 yes Figure 4 Schematic diagram of the AA section structure;

[0018] Figure 6 This is a schematic diagram of the working state of the utility model;

[0019] Figure 7 yes Figure 6 Schematic diagram of the cross-section structure.

[0020] Explanation of the numbers in the figure:

[0021] 1 is a disc spring assembly

[0022] 1-1 is the upper cover, 1-2 is the disc-shaped spring, 1-3 is the spring base, 1-4 is the screw, and 1-5 is the assembly hole;

[0023] 2 is the disc spring assembly tool

[0024] 2-1 is the base, 2-1-1 is the cavity, 2-2 is the scale, 2-3 is the scale probe, 2-4 is the lock nut, 2-5 is the positioning stud, 2-6 is the telescopic boss, 2-6-1 is the conical table, 2-7 is the spirit level, 2-8 is the gas pipeline, 2-9 is the telescopic boss drive device, 2-9-1 is the pressure gauge, 2-9-2 is the pressure adjustment knob, 2-9-3 is the boost switch, 2-9-4 is the pressure relief switch, and 2-10 is the sealing ring. DETAILED DESCRIPTION

[0025] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0026] See Figure 1. Figure 2A disc spring assembly 1 comprises a spring base 1-3, a disc spring 1-2 and an upper cover 1-1, wherein the center of the spring base 1-3 is provided with an upwardly protruding cylindrical boss; the disc spring 1-2 is sleeved on the outside of the cylindrical boss of the spring base 1-3; the upper cover 1-1 is placed above the disc spring 1-2, and the upper cover 1-1 and the spring base 1-3 are connected by screws 1-4 assembled along the center axis; assembly holes 1-5 for cooperating with other components are provided at corresponding positions of the four corners of the spring base 1-3 and the upper cover 1-1.

[0027] See Figure 3 、 Figure 4 、 Figure 5 The utility model provides a disc spring assembly assembly tool, which is provided with a base 2-1, a telescopic boss 2-6, a telescopic boss drive device 2-9, a positioning stud 2-5 and a locking nut 2-4; the telescopic boss drive device 2-9 adopts a pneumatic mode and is connected to an external high-pressure air source. A pressure gauge 2-9-1, a pressure regulating knob 2-9-2, a boost switch 2-9-3 and a pressure relief switch 2-9-4 are provided on the control panel of the telescopic boss drive device 2-9; the base 2-1 is a square pedestal, and a cavity 2-1-1 with an open upper end is provided in the middle of the base 2-1. The cavity 2- 1-1 is a stepped cylindrical hole structure, the cavity diameter of which is smaller than the bottom diameter, and a telescopic boss 2-6 is installed in the cavity in a movable manner, and a sealing ring 2-10 is installed between the inner wall of the cavity and the telescopic boss 2-6. The bottom of the cavity is connected to the telescopic boss drive device 2-9 through a gas pipeline 2-8; the telescopic boss 2-6 is a cylindrical structure, the upper end face of which is a horizontal plane, and the bottom is an inverted conical surface 2-6-1; the positioning studs 2-5 are fixed at the four corners of the base 2-1, and locking nuts 2-4 are installed on the positioning studs 2-5; the locking nuts 2-4 are butterfly nuts.

[0028] See Figure 3 、 Figure 4 The disc spring assembly assembly tool described in the present invention is provided with a scale 2-2 on its base 2-1, and a scale probe 2-3 that can move up and down is installed on the scale 2-2; a level 2-7 is provided on the upper end surface of the base 2-1, and the level 2-7 is provided in two groups, one group is arranged parallel to the horizontal and vertical sides of the base 2-1.

[0029] See Figure 6 、 Figure 7When the disc spring assembly 1 is assembled using the present invention, the level of the base 2-1 is first adjusted. After the level is checked by the two level rulers 2-7 on the base 2-1 to meet the requirements, the spring base 1-3, disc spring 1-2, and upper cover 1-1 of the disc spring assembly 1 are sequentially installed on the base 2-1 of the disc spring assembly assembly tool 2. The four sets of positioning studs 2-5 are respectively passed through the corresponding assembly holes 1- 5, and lock the upper cover 1-1 and the disc-shaped spring 1-2 by the cooperation of the locking nut 2-4 and the positioning stud 2-5; then press the boost switch 2-9-3 of the telescopic boss driving device 2-9, and fill the cavity 2-1-1 of the base 2-1 with high-pressure gas through the gas pipeline 2-8. Under the action of the high-pressure gas pressure, the telescopic boss 2-6 installed in the cavity 2-1-1 is lifted upward, pushing the spring base 1-3 to move upward, realizing the disc-shaped spring. 1-2; then, according to the numerical requirements of the disc spring installation preload, set the gas supply pressure by adjusting the pressure regulating knob 2-9-2, and read the indication of the pressure gauge 2-9-1; after the indication of the pressure gauge 2-9-1 meets the workpiece installation requirements, use the scale probe 2-3 to read the installation distance between the workpiece upper cover 1-1 and the spring base 1-3; adjust the gas supply pressure by adjusting the pressure regulating knob 2-9-2, and adjust the installation distance between the upper cover 1-1 and the spring base 1-3 under the premise of ensuring that the workpiece installation preload is within the set range. After the installation distance between the upper cover 1-1 and the spring base 1-3 meets the requirements, tighten the screws 1-4 of the disc spring assembly 1; after completing the above operations, adjust the pressure regulating knob 2-9-2 to reduce the gas pressure, and press the pressure relief switch 2-9-4. After the telescopic boss 2-6 returns to its initial position, remove the lock nut 2-4, take out the disc spring assembly 1, and complete the assembly process.

Claims

1. A disc spring assembly assembly tool, characterized by: The disc spring assembly assembly tool (2) is provided with a base (2-1), a telescopic boss (2-6), a telescopic boss drive device (2-9), a positioning stud (2-5) and a locking nut (2-4); the telescopic boss drive device (2-9) adopts a pneumatic mode and is connected to an external high-pressure air source; the base (2-1) is a square pedestal, and a cavity (2-1-1) with an open upper end is provided in the middle of the base (2-1), and the cavity (2-1-1) is a stepped cylindrical hole structure, and its cavity diameter is less than The bottom diameter is 200 mm / s, a telescopic boss (2-6) is mounted in the cavity in an upward and downward movable manner, and a sealing ring (2-10) is mounted between the inner wall of the cavity and the telescopic boss (2-6), and the bottom of the cavity is connected to the telescopic boss driving device (2-9) through a gas pipeline (2-8); the telescopic boss (2-6) is a cylindrical structure, and its upper end surface is a horizontal plane; the positioning studs (2-5) are fixed at the four corners of the base (2-1), and locking nuts (2-4) are mounted on the positioning studs (2-5).

2. The disc spring assembly assembly tool according to claim 1, characterized in that: A scale (2-2) is arranged on the base (2-1), and a scale probe (2-3) that can move up and down is mounted on the scale (2-2).

3. The disc spring assembly assembly tool according to claim 2, characterized in that: A level ruler (2-7) is provided on the upper end surface of the base (2-1), and the level rulers (2-7) are provided in two groups, one group being arranged parallel to the horizontal and longitudinal side lines of the base (2-1).

4. The disc spring assembly assembly tool according to claim 1, 2 or 3, characterized in that: A pressure gauge (2-9-1), a pressure regulating knob (2-9-2), a boost switch (2-9-3) and a pressure relief switch (2-9-4) are provided on the control panel of the telescopic boss drive device (2-9).

5. The disc spring assembly assembly tool according to claim 4, characterized in that: The bottom of the telescopic boss (2-6) is an inverted conical cone surface (2-6-1).

6. The disc spring assembly assembly tool according to claim 5, characterized in that: The locking nut (2-4) is a butterfly nut.

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