Vacuum arc-extinguishing chamber assembling and calibrating clamp

Abstract

The utility model discloses a vacuum arc-extinguishing chamber assembly calibration clamp, which comprises a base, the upper end of the base is fixedly connected with a fixed column, the upper end of the fixed column is fixedly connected with a mounting plate, and the mounting plate is provided with a telescopic rod. A first positioning block and a second positioning block which are annularly distributed are arranged on the side wall of the rotating disc, the telescopic rod drives the lifting plate to ascend and descend by detaching the fixing bolts, rotating the rotating disc and adjusting the angle of the first positioning block and the angle of the second positioning block, the first positioning block or the second positioning block presses a workpiece downwards, and the workpiece is matched with the mounting base at the lower end to be clamped. Under the action of the conical groove and the conical surface, the workpiece is kept at the axis position, the second positioning block is used for positioning the static tube core firstly, and after the static tube core is machined to the outer side, the first positioning block is used for positioning the cylindrical output end of the vacuum arc-extinguishing chamber.

Description

TECHNICAL FIELD

[0001] The utility model relates to calibration fixture technical field, specifically is vacuum arc-extinguishing chamber assembly calibration fixture. BACKGROUND

[0002] The vacuum arc-extinguishing chamber assembly calibration fixture is a professional tool used in the assembly process of vacuum arc-extinguishing chambers. It is a device used for precise calibration and fixation of internal components of vacuum arc-extinguishing chambers. In the manufacturing process of vacuum arc-extinguishing chambers, ensuring the precise alignment and fixation of each part is crucial for the performance of the entire device. The vacuum arc-extinguishing chamber assembly calibration fixture usually has a precise mechanical structure, which can ensure high-precision calibration during assembly. It is characterized by high clamping force and positioning accuracy to ensure accurate installation of internal components of vacuum arc-extinguishing chambers. Vacuum arc-extinguishing chambers are key components in many electrical devices, and their performance directly affects the operation and safety of the entire device.

[0003] A vacuum arc-extinguishing chamber assembly calibration fixture (publication number: CN108962648B) is provided in the prior art. The device includes a calibration unit for calibrating a single vacuum arc-extinguishing chamber. The calibration unit includes a dynamic end positioning plug and a static tube core positioning structure arranged coaxially in the up-down direction. The dynamic end positioning plug is used for coaxial positioning and insertion with the threaded hole of the dynamic tube core. The static tube core positioning structure is used for coaxial positioning and assembly with the static tube core. A righting structure is provided above the static tube core positioning structure for righting the vacuum arc-extinguishing chamber.

[0004] However, the device still has the following defects:

[0005] When using the device, the fixed positioning plug with a circular truncated cone shape at the end of the device is used to position the workpiece. However, after processing, the end of the vacuum arc-extinguishing chamber outputs a cylindrical output end. The positioning effect of the fixed positioning plug with a circular truncated cone shape on the workpiece is not good, which can easily affect the processing. Therefore, we need to propose a vacuum arc-extinguishing chamber assembly calibration fixture. INVENTION CONTENTS

[0006] The utility model discloses a vacuum arc-extinguishing chamber assembly calibration fixture, the fixing disc is installed to the rotary disc through the limiting frame, the lateral wall of rotary disc is provided with annular distribution's first positioning block and second positioning block, through the removal fixed bolt, rotates the rotary disc, adjusts the angle of first positioning block and second positioning block, and the telescopic link drives the lifting plate to go up and down, and first positioning block or second positioning block is pressed down to the workpiece, and is clamped with the mounting seat of lower end, under the action of conical groove and conical surface, keeps the workpiece in the axial position, uses first positioning block to position the cylindrical output end of vacuum arc-extinguishing chamber after using second positioning block to position static tube core, to solve the problem raised in the above background art.

[0007] In order to achieve the above object, the utility model provides the following technical scheme:

[0008] The vacuum arc-extinguishing chamber assembly calibration fixture, including the base, the upper end of base is fixedly connected with fixed column, the upper end of fixed column is fixedly connected with mounting plate, is provided with telescopic link on mounting plate, the output of telescopic link is fixedly connected with lifting plate through mounting plate, the lateral wall of lifting plate is provided with positioning assembly that carries out positioning to different processing state workpieces;

[0009] The positioning assembly includes a fixed disc fixedly installed on the lateral wall of the lifting plate, a limiting frame is fixedly connected to the lateral wall of the fixed disc, a rotating disc is rotatably connected to the outer side of the limiting frame, the rotating disc is rotatably connected to the fixed disc, a first positioning block is fixedly connected to the lateral wall of the rotating disc, and a second positioning block is fixedly connected to the bottom of the rotating disc.

[0010] Preferably, a fixed bolt is rotatably connected to the inside of the rotating disc, and the fixed bolt is threadedly connected to the fixed disc.

[0011] Preferably, a conical groove is formed in the inside of the first positioning block, and the second positioning block is a cone.

[0012] Preferably, two through holes are formed in the inside of the rotating disc in a ring-shaped distribution, and the through holes are rotatably connected to the fixed bolt.

[0013] Preferably, a mounting seat is arranged at the upper end of the base, and a mounting assembly for mounting the mounting seat is arranged in the inside of the base.

[0014] Preferably, the mounting assembly includes a mounting column slidingly connected to the inside of the base, the mounting column is fixedly connected to the mounting seat, a limiting rod is slidingly connected to the inside of the mounting seat, the limiting rod is slidingly connected to the base, one end of the limiting rod is fixedly connected to a moving plate, the moving plate is slidingly connected to the base, and a spring is arranged on the lateral wall of the moving plate.

[0015] Preferably, a positioning frame is slidingly connected to the outer side of the fixed column.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] The utility model discloses a fixed disc is set up, and the fixed disc is installed to the rotary disc through the limiting support, and the side wall of the rotary disc is provided with annular distribution's first locating block and second locating block, and through the removal fixed bolt, rotates the rotary disc, adjusts the angle of first locating block and second locating block, and the telescopic link drives the lifting plate to go up and down, and first locating block or second locating block presses down the workpiece, and cooperates with the mounting seat of lower end and carries out clamping, under the effect of conical groove and conical surface, keeps the workpiece in the axial position, uses second locating block to position static pipe core first, and after processing to the outside, uses first locating block to position the cylindrical output end of vacuum arc-extinguishing chamber. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is structural schematic diagram of the utility model;

[0019] Figure 2 It is internal structure schematic diagram of the base of the utility model;

[0020] Figure 3 It is local structure schematic diagram of the utility model;

[0021] Figure 4 It is structure schematic diagram of the positioning assembly of the utility model.

[0022] In the drawing: 1, base, 2, mounting seat, 3, mounting assembly, 31, mounting column, 32, limiting rod, 33, moving plate, 34, spring, 4, fixed column, 5, positioning support, 6, mounting plate, 7, telescopic link, 8, lifting plate, 9, positioning assembly, 91, fixed disc, 92, limiting support, 93, rotary disc, 94, first locating block, 95, second locating block, 96, fixed bolt. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0025] The vacuum arc-extinguishing chamber assembly calibration clamp, including base 1, the upper end fixed connection of base 1 has fixed column 4, the upper end fixed connection of fixed column 4 has mounting plate 6, be provided with telescopic link 7 on mounting plate 6, the output end of telescopic link 7 is fixedly connected with lifting plate 8 through mounting plate 6, the side wall of lifting plate 8 is provided with the positioning assembly 9 of positioning different processing state workpieces,

[0026] The positioning assembly 9 comprises a fixed disc 91 fixedly installed on the side wall of the lifting plate 8, a limiting frame 92 fixedly connected on the side wall of the fixed disc 91, a rotating disc 93 rotatably connected on the outer side of the limiting frame 92, the rotating disc 93 being rotatably connected with the fixed disc 91, a first positioning block 94 fixedly connected on the side wall of the rotating disc 93, and a second positioning block 95 fixedly connected on the bottom of the rotating disc 93.

[0027] The rotating disc 93 is rotatably connected with a fixed bolt 96 which is threadedly connected with the fixed disc 91.

[0028] The fixed bolt 96 is used for positioning the rotating disc 93.

[0029] The first positioning block 94 is internally provided with a conical groove, and the second positioning block 95 is a conical body.

[0030] The first positioning block 94 is internally provided with a conical groove, so as to limit the workpiece with a cylindrical end, and the second positioning block 95 is conical, so as to facilitate the machining of the tubular workpiece.

[0031] The rotating disc 93 is internally provided with two through holes in annular distribution, and the through holes are rotatably connected with the fixed bolt 96.

[0032] The through holes are used for mounting the fixed bolt 96.

[0033] The base 1 is provided with a mounting seat 2 at the upper end, and the base 1 is internally provided with a mounting assembly 3 for mounting the mounting seat 2, the mounting assembly 3 comprising a mounting column 31 slidably connected in the base 1, the mounting column 31 being fixedly connected with the mounting seat 2, the mounting seat 2 being internally slidably connected with a limiting rod 32, the limiting rod 32 being slidably connected with the base 1, one end of the limiting rod 32 being fixedly connected with a moving plate 33, the moving plate 33 being slidably connected with the base 1, and the moving plate 33 being provided with a spring 34 on the side wall.

[0034] When the internal machining is completed and the workpiece is assembled with the shell, the mounting seat 2 cannot satisfy the mounting of the shell, the moving plate 33 is moved away from the mounting seat 2, the moving plate 33 drives the limiting rod 32 to move, the limiting rod 32 is separated from the mounting column 31, the limiting of the mounting column 31 is released, the mounting seat 2 and the mounting column 31 are taken out, and the mounting seat 2 adapted to the shell is replaced.

[0035] The fixed column 4 is slidably connected with a limiting frame 5.

[0036] The limiting frame 5 is used for righting and positioning the static cover plate, the porcelain shell and other components, so as to increase the coaxiality of the vacuum interrupter.

[0037] Working principle: the utility model for use, fixed disc 91 installs to rotary disc 93 through limiting support 92, the lateral wall of rotary disc 93 is provided with annular distribution's first locating block 94 and second locating block 95, by removing fixed bolt 96, rotates rotary disc 93, adjusts the angle of first locating block 94 and second locating block 95, telescopic link 7 drives lifting plate 8 to go up and down, first locating block 94 or second locating block 95 presses down workpiece, and cooperates with the mounting seat 2 of lower end and clamps, under the action of conical groove and conical surface, keeps workpiece in the axial position, the inside of first locating block 94 is provided with conical groove, is convenient for to the workpiece of end for cylinder limit, second locating block 95 is conical, is convenient for to tubular workpiece and processes, first using second locating block 95 to position static pipe core, processes to the outside, using first locating block 94 to position the cylindrical output end of vacuum arc-extinguishing chamber, the righting position of static cover plate, porcelain shell and other components is positioned by positioning support 5, increases the coaxiality of vacuum arc-extinguishing chamber whole pipe;

[0038] When internal processing is completed, when the workpiece is assembled shell, the mounting seat 2 cannot satisfy the installation of the shell, the moving plate 33 is moved away from the mounting seat 2, the moving plate 33 drives the limiting rod 32 to move, the limiting rod 32 is separated from the mounting column 31, the limiting of the mounting column 31 is removed, the mounting seat 2 and the mounting column 31 are taken out, and the mounting seat 2 adapted to the shell is replaced.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vacuum interrupter assembly calibration fixture comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected with a fixed column (4), the upper end of the fixed column (4) is fixedly connected with a mounting plate (6), the mounting plate (6) is provided with a telescopic rod (7), the output end of the telescopic rod (7) is fixedly connected with a lifting plate (8) penetrating through the mounting plate (6), and the side wall of the lifting plate (8) is provided with a positioning assembly (9) for positioning workpieces in different machining states. The positioning assembly (9) comprises a fixed disc (91) fixedly installed on the side wall of the lifting plate (8), a limiting frame (92) fixedly connected to the side wall of the fixed disc (91), a rotating disc (93) rotatably connected to the outer side of the limiting frame (92), the rotating disc (93) being rotatably connected to the fixed disc (91), a first positioning block (94) fixedly connected to the side wall of the rotating disc (93), and a second positioning block (95) fixedly connected to the bottom of the rotating disc (93).

2. The vacuum interrupter assembly calibration fixture of claim 1, wherein: The rotating disc (93) is rotatably connected with a fixed bolt (96) inside, and the fixed bolt (96) is threadedly connected with the fixed disc (91).

3. The vacuum interrupter assembly calibration fixture of claim 1, wherein: The first positioning block (94) is internally provided with a conical groove, and the second positioning block (95) is a cone.

4. The vacuum interrupter assembly alignment fixture of claim 2, wherein: The rotating disc (93) is internally provided with two through holes in annular distribution, and the through holes are rotatably connected with the fixed bolt (96).

5. The vacuum interrupter assembly alignment fixture of claim 1, wherein: The upper end of the base (1) is provided with a mounting seat (2), and the inside of the base (1) is provided with a mounting assembly (3) for mounting the mounting seat (2).

6. The vacuum interrupter assembly alignment fixture of claim 5, wherein: The mounting assembly (3) comprises an installation column (31) slidably connected to the inside of the base (1), the installation column (31) is fixedly connected with the mounting seat (2), the inside of the mounting seat (2) is slidably connected with a limiting rod (32), the limiting rod (32) is slidably connected with the base (1), one end of the limiting rod (32) is fixedly connected with a moving plate (33), the moving plate (33) is slidably connected with the base (1), and the side wall of the moving plate (33) is provided with a spring (34).

7. The vacuum interrupter assembly alignment fixture of claim 1, wherein: The outer side of the fixed column (4) is slidably connected with a limiting frame (5).

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