Salient point punching equipment for shielding cylinder of vacuum arc-extinguishing chamber

Abstract

The utility model relates to the technical field of vacuum arc-extinguishing chamber manufacturing equipment, in particular to vacuum arc-extinguishing chamber shielding cylinder salient point forming equipment which comprises a base and a salient point forming assembly, the base is provided with a containing groove for containing a ceramic shell, and the salient point forming assembly comprises a pushing part, a guide seat and a plurality of sliding parts. The guide seat is fixedly connected with the base and located in the containing groove, the pushing piece is movably arranged in the guide seat in the axis direction of the guide seat, and each sliding piece is movably arranged in the circumferential direction of the guide seat. And the sliding piece extends out of the side wall of the guide seat by a preset distance and applies an acting force to the inner side wall of the shielding cylinder, and the side wall of the shielding cylinder is enabled to form a bump structure matched with the bump part of the ceramic shell, so that the advantage that bumps can be punched on the side wall of the shielding cylinder is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vacuum interrupter manufacturing equipment, in particular to a vacuum interrupter shield cylinder bumping device. BACKGROUND

[0002] The vacuum interrupter is an electrical device that can rapidly extinguish arc and suppress current by the excellent insulation of vacuum in the tube after the high-voltage circuit is cut off, and is widely used in power transmission and distribution control systems. The vacuum interrupter includes a ceramic shell and a shield cylinder. The shield cylinder prevents high-temperature metal vapor generated when the moving and static guide rods are broken from splashing and damaging the insulation of the ceramic shell, and needs to be fixedly installed on the ceramic shell.

[0003] A vacuum interrupter shield cylinder fixing structure is known, as shown in Figure 1 The vacuum interrupter shield cylinder fixing structure includes a ceramic shell 90 and a shield cylinder 91. The ceramic shell 90 has a vacuum cavity 901. The cavity wall of the vacuum cavity 901 has a first annular protrusion 9011. The outer side wall of the shield cylinder 91 has a second annular protrusion 911. The shield cylinder 91 is placed in the vacuum cavity 901, and the second annular protrusion 911 abuts against one end of the first annular protrusion 9011. Then, an external device applies an external force to the inner cylinder wall of the shield cylinder 91 to form an outward protrusion 912. The protrusion 912 abuts against the other end of the first annular protrusion 9011 to fix the shield cylinder 91. In order to form the protrusion 912 on the shield cylinder 91, a bumping device is needed.

[0004] Therefore, there is a need to provide a vacuum interrupter shield cylinder bumping device that can bump protrusions on the side wall of the shield cylinder. CONTENT OF THE INVENTION

[0005] The application aims to provide a vacuum arc-extinguishing chamber shielding cylinder bumping device, which is used for bumping a shielding cylinder on the side wall of the shielding cylinder, and the shielding cylinder is placed in a vacuum cavity of a ceramic shell, and the cavity wall of the vacuum cavity has a protruding part, wherein the vacuum arc-extinguishing chamber shielding cylinder bumping device comprises a base and a bumping assembly, the base has a placing groove for placing the ceramic shell, the bumping assembly comprises a pushing piece, a guide seat and a plurality of sliding pieces, the guide seat is fixedly connected with the base and located in the placing groove, the pushing piece is movably arranged in the guide seat in the axial direction of the guide seat, and each sliding piece is movably arranged in the circumferential direction of the guide seat, when the pushing piece moves in the axial direction of the guide seat, the sliding piece extends out of the side wall of the guide seat by a predetermined distance and applies an action force to the inner side wall of the shielding cylinder, and the side wall of the shielding cylinder is formed into a bump structure for cooperating with the protruding part of the ceramic shell, and the shielding cylinder has the advantage of being capable of bumping the side wall of the shielding cylinder.

[0006] Another purpose of the application is to provide a vacuum arc-extinguishing chamber shielding cylinder bumping device, wherein one end of the pushing piece has an inclined surface, and one end of each sliding piece away from the shielding cylinder has a profiling surface, and the profiling surface is matched with the inclined surface to realize the action of each sliding piece when the pushing piece moves up and down.

[0007] In order to achieve at least one of the above-mentioned purposes, the application provides a vacuum arc-extinguishing chamber shielding cylinder bumping device, which is used for bumping a shielding cylinder on the side wall of the shielding cylinder, and the shielding cylinder is placed in a vacuum cavity of a ceramic shell, and the cavity wall of the vacuum cavity has a protruding part, wherein the vacuum arc-extinguishing chamber shielding cylinder bumping device comprises:

[0008] a base, wherein the base has a placing groove for placing the ceramic shell; and

[0009] a bumping assembly, wherein the bumping assembly comprises a pushing piece, a guide seat and a plurality of sliding pieces, the guide seat is fixedly connected with the base and located in the placing groove, the pushing piece is movably arranged in the guide seat in the axial direction of the guide seat, and each sliding piece is movably arranged in the circumferential direction of the guide seat, when the pushing piece moves in the axial direction of the guide seat, the sliding piece extends out of the side wall of the guide seat by a predetermined distance and applies an action force to the inner side wall of the shielding cylinder, and the side wall of the shielding cylinder is formed into a bump structure for cooperating with the protruding part of the ceramic shell.

[0010] In one or more embodiments of the application, one end of the pushing piece has an inclined surface, and one end of each sliding piece away from the shielding cylinder has a profiling surface, and the profiling surface is matched with the inclined surface.

[0011] In one or more embodiments of the present application, the guide seat has a through cavity, a side wall of the through cavity has a plurality of sliding holes arranged in an annular array, each of the sliding holes slidably has a sliding member, and the pushing member is slidably arranged in the through cavity.

[0012] In one or more embodiments of the present application, the protrusion forming assembly further comprises a first lifting driving device, and a push rod of the first lifting driving device is fixedly connected to an end of the pushing member away from the inclined surface.

[0013] In one or more embodiments of the present application, each of the sliding holes has a receiving hole near an end of the through cavity, a side wall of each of the sliding members has an outer edge portion, and the protrusion forming assembly further comprises a plurality of elastic members, and two ends of each of the elastic members are respectively abutted against a bottom wall of the receiving hole and the outer edge portion.

[0014] In one or more embodiments of the present application, each of the sliding members has a spherical surface portion at an end away from the pushing member.

[0015] In one or more embodiments of the present application, the protrusion forming assembly further comprises an upper pressing assembly, the upper pressing assembly comprises a pressing block and a second lifting driving device, the pressing block is located directly above the ceramic housing, the pressing block is fixedly connected to a push rod of the second lifting driving device, and the second lifting driving device is fixedly installed on the base.

[0016] In the embodiments of the present application, the protrusion forming assembly for vacuum interrupter shield cylinder is used to form protrusions on the side wall of the shield cylinder, the shield cylinder is placed in a vacuum cavity of a ceramic housing, a cavity wall of the vacuum cavity has a protruding portion, the protrusion forming assembly comprises a pushing member, a guide seat and a plurality of sliding members, the guide seat is fixedly connected to the base and located in the placing groove, the pushing member is movably arranged in the guide seat in the axial direction of the guide seat, each of the sliding members is movably arranged in the circumferential direction of the guide seat, when the pushing member moves in the axial direction of the guide seat, the sliding member extends out of the side wall of the guide seat by a predetermined distance and exerts an acting force on the inner side wall of the shield cylinder, and the side wall of the shield cylinder forms a protrusion structure for cooperating with the protruding portion of the ceramic housing, and has the advantage of being capable of forming protrusions on the side wall of the shield cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0017] These and / or other aspects and advantages of the present application will become more apparent and more readily appreciated from the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings in which:

[0018] Figure 1The structure of a vacuum arc-extinguishing chamber shielding cylinder fixing structure is shown in the figure;

[0019] Figure 2 The structure of a vacuum arc-extinguishing chamber shielding cylinder fixing structure is shown in the figure;

[0020] Figure 3 The structure of a vacuum arc-extinguishing chamber shielding cylinder fixing structure is shown in the figure; Figure 2 The structure of a vacuum arc-extinguishing chamber shielding cylinder fixing structure is shown in the figure; DETAILED DESCRIPTION

[0021] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but are merely used to enable a clear and complete understanding of the application by those skilled in the art. Accordingly, it should be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustration purpose only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.

[0022] It is understood that the term "one" is understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0023] Although ordinal numbers such as "first", "second", etc. will be used to describe various components, they are not limited to those components. The terms are used only to distinguish one component from another component. For example, a first component can be called a second component, and likewise, a second component can also be called a first component without departing from the teachings of the inventive concept. The term "and / or" used herein includes any and all combinations of one or more associated listed items.

[0024] The terms used herein are only for the purpose of describing various embodiments and are not intended to be limiting. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "has", when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or a combination thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

[0025] The schematic vacuum arc-extinguishing chamber shielding cylinder bumping equipment, referring to Figures 2 to 3 A vacuum arc-extinguishing chamber shielding cylinder bumping equipment according to a preferred embodiment of the present application is used to bump out a bump structure (not marked in the figure) on the side wall of a shielding cylinder 80, the shielding cylinder 80 is placed in a vacuum cavity 811 of a ceramic housing 81, the cavity wall of the vacuum cavity 811 has a protruding part 812, the vacuum arc-extinguishing chamber shielding cylinder bumping equipment comprises a base 10 and a bumping assembly 20.

[0026] Specifically, as shown in Figure 2 and Figure 3 , the base 10 has a placing groove 101 for placing a ceramic shell 81, the bumping assembly 20 includes a pushing member 201, a guide seat 202 and a plurality of sliding members 203, the guide seat 202 is fixedly connected with the base 10, and the guide seat 202 is located in the placing groove 101, the pushing member 201 is movably arranged in the guide seat 202 in the axial direction of the guide seat 202, each sliding member 203 is movably arranged in the circumferential direction of the guide seat 202, when the pushing member 201 moves along the axial direction of the guide seat 202, the sliding member 203 extends out of the side wall of the guide seat 202 by a predetermined distance and applies an action force to the inner side wall of the shielding cylinder 80, and the side wall of the shielding cylinder 80 forms a bump structure for cooperating with the protruding part 812 of the ceramic shell 81.

[0027] It should be noted that when bumping, the operator first places the ceramic shell 81 with the shielding cylinder 80 inside the placing groove 101, then moves the pushing member 201 upward by a predetermined distance, the movement of the pushing member 201 will make each sliding member 203 move in opposite directions and approach the shielding cylinder 80, and as the pushing member 201 further moves upward, each sliding member 203 abuts against the shielding cylinder 80 and applies an action force to the side wall of the shielding cylinder 80, and finally forms a bump structure on the shielding cylinder 80, which has the advantage of being able to bump the shielding cylinder 80 side wall.

[0028] Further, in order to realize the action of each sliding member 203 when the pushing member 201 acts, as shown in Figure 3 , one end of the pushing member 201 has an inclined surface 2011, and one end of each sliding member 203 away from the shielding cylinder 80 has a profiled surface (not labeled in the figure), the profiled surface is in contact with the inclined surface 2011.

[0029] In addition, as shown in Figure 3 , the guide seat 202 has a through cavity 2021, the side wall of the through cavity 2021 has a plurality of sliding holes 2022 arranged in an annular array, each sliding hole 2022 movably arranges a sliding member 203, and the pushing member 201 is movably arranged in the through cavity 2021.

[0030] It should be noted that when the pusher 201 moves upward along the axis direction of the through cavity 2021, the pusher 201 exerts a horizontal force on each sliding piece 203, and each sliding piece 203 slides along the sliding hole 2022 and extends out of the sidewall of the guide seat 202 by a predetermined distance under the horizontal force, and abuts against the inner wall of the shielding cylinder 80 at a certain moment.

[0031] Further, in order to realize the upward and downward movement of the pusher, the protrusion point assembly 20 further comprises a first lifting driving device 205, a push rod of the first lifting driving device 205 is fixedly connected to an end of the pusher 201 away from the inclined surface 2011, and the first lifting driving device 205 is installed on the base 10. Figure 2

[0032] Further, in order to realize the downward movement of the pusher 201 along the axis direction of the through cavity 2021, each sliding piece 203 can move in the opposite direction, as shown in the figure, each sliding hole 2022 is provided with a containing hole 2023 at an end close to the through cavity 2021, each sliding piece 203 is provided with an outer edge portion 2031 on the sidewall, and the protrusion point assembly 20 further comprises a plurality of elastic members 204, two ends of each elastic member 204 abut against the bottom wall of the containing hole 2023 and the outer edge portion 2031, and the elastic member 204 is a spring. Figure 3

[0033] Further, the protrusion point structure is in the shape of a hemisphere, and accordingly, in the embodiment of the present application, as shown in the figure, each sliding piece 203 is provided with a spherical surface portion 2032 at an end away from the pusher 201. When the sliding piece 203 contacts the shielding cylinder 80, the spherical surface portion 2032 contacts the inner wall of the shielding cylinder 80. Figure 3 Further, in order to avoid the shielding cylinder 80 and the ceramic housing 81 from moving during the protrusion point forming process, as shown in the figure, the vacuum interrupter shielding cylinder protrusion point forming device further comprises an upper pressing assembly 30, the upper pressing assembly 30 comprises a pressing block 301 and a second lifting driving device 302, the pressing block 301 is located directly above the ceramic housing 81, the pressing block 301 is fixedly connected to a push rod of the second lifting driving device 302, and the second lifting driving device 302 is fixedly installed on the base 10.

[0034] Figure 2 Specifically, as shown in the figure, the upper pressing assembly 30 further comprises a plurality of pressing rods 3021, each pressing rod 3021 is fixedly connected to the push rod of the second lifting driving device 302, and each pressing rod 3021 is provided with a pressing portion 3022 at an end away from the second lifting driving device 302.

[0035] Further, in order to realize the upward and downward movement of the pusher, the protrusion point assembly 20 further comprises a first lifting driving device 205, a push rod of the first lifting driving device 205 is fixedly connected to an end of the pusher 201 away from the inclined surface 2011, and the first lifting driving device 205 is installed on the base 10. Figure 2 ​​​As shown, the pressing block 301 comprises a first pressing part 3011 and a second pressing part 3012 arranged coaxially, the radial dimension of the second pressing part 3012 is between the maximum radial dimension of the vacuum cavity 811 and the maximum radial dimension of the shielding cylinder 80, the radial dimension of the first pressing part 3011 is greater than the maximum radial dimension of the ceramic shell 81, and the second pressing part 3012 is located at one end of the first pressing part 3011 away from the second lifting driving device 302.

[0036] It should be noted that the push rod of the second lifting driving device 302 is opposite to the push rod of the first lifting driving device 205, when the ceramic shell 81 with the shielding cylinder 80 arranged therein is placed in the placing groove 101, at this time, the ceramic shell 81 is vertically opposite to the first pressing part 3011 in the height direction, and the shielding cylinder 80 is vertically opposite to the second pressing part 3012 in the height direction, the operator moves the push rod of the second lifting driving device 302 downward by a predetermined distance, and makes the first pressing part 3011 abut against the top surface of the ceramic shell 81 and the second pressing part 3012 abut against the top surface of the shielding cylinder 80.

[0037] In addition, as shown in Figure 2 The center of the placing groove 101 has a groove 1011, when the ceramic shell 81 with the shielding cylinder 80 arranged therein is placed in the placing groove 101, the bottom surface of the shielding cylinder 80 abuts against the bottom wall of the groove 1011, and the bottom surface of the ceramic shell 81 abuts against the bottom wall of the placing groove 101.

[0038] In addition, as shown in Figure 2 Figure 2 The side wall of the placing groove 101 has a buffer ring 1012, when the ceramic shell 81 is placed in the placing groove 101, the side wall of the ceramic shell 81 is attached to the buffer ring 1012, and the buffer ring 1012 is arranged to avoid the hard contact between the outer side wall of the ceramic shell 81 and the base 10.

[0039] In summary, the vacuum interrupter shielding cylinder point punching equipment based on the embodiment of the present application is illustrated, which provides the vacuum interrupter shielding cylinder point punching equipment with the advantages of being able to punch points on the side wall of the shielding cylinder.

[0040] It is worth mentioning that, in the embodiment of the present application, the vacuum interrupter shielding cylinder point punching equipment has a simple structure, does not involve complex manufacturing processes and expensive materials, and has high economic efficiency. At the same time, for the manufacturer, the vacuum interrupter shielding cylinder point punching equipment provided by the present application is easy to produce and has low cost, which is more conducive to controlling the production cost and further promoting and using the product.

[0041] Those skilled in the art should understand that the above description and the embodiments of the utility model shown in the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the implementation of the utility model can have any deformation or modification without departing from the principle.

Claims

1. A device for creating raised dots on the shielding cylinder of a vacuum interrupter, used to create raised dot structures on the side wall of the shielding cylinder, wherein the shielding cylinder is placed in a vacuum cavity of a ceramic shell, and the cavity wall of the vacuum cavity has a protrusion, characterized in that: The vacuum interrupter shield cylinder point punching equipment comprises a base, the base has a placing groove for placing the ceramic shell; and a point punching assembly, the point punching assembly comprises a pushing member, a guide seat and a plurality of sliding members, the guide seat is fixedly connected with the base, and the guide seat is located in the placing groove, the pushing member is movably arranged in the guide seat in the axial direction of the guide seat, each sliding member is movably arranged in the circumferential direction of the guide seat, when the pushing member moves in the axial direction of the guide seat, the sliding member extends out of the side wall of the guide seat by a predetermined distance and applies an action force to the inner side wall of the shield cylinder, and the side wall of the shield cylinder forms a point structure for cooperating with the protruding part of the ceramic shell.

2. The vacuum interrupter shield cylinder staking apparatus of claim 1, wherein: One end of the pushing member has an inclined surface, and each sliding member has a profiling surface away from the shield cylinder, the profiling surface is in contact with the inclined surface.

3. The vacuum interrupter shield cylinder staking apparatus of claim 2, wherein: The guide seat has a through cavity, the side wall of the through cavity has a plurality of sliding holes arranged in an annular array, each sliding hole movably arranges a sliding member, and the pushing member is movably arranged in the through cavity.

4. The vacuum interrupter shield cylinder staking apparatus of claim 3, wherein: The point punching assembly further comprises a first lifting driving device, and a push rod of the first lifting driving device is fixedly connected with one end of the pushing member away from the inclined surface.

5. The vacuum interrupter shield cylinder staking apparatus of claim 4, wherein: Each sliding hole near one end of the through cavity has a containing hole, each sliding member has an outer edge, and the point punching assembly further comprises a plurality of elastic members, and two ends of each elastic member are respectively in abutment with the bottom wall of the containing hole and the outer edge.

6. The vacuum interrupter shield cylinder staking apparatus of claim 5, wherein: Each sliding member has a spherical surface away from the pushing member.

7. The vacuum interrupter shield cylinder staking apparatus of claim 6, wherein: The vacuum interrupter shield cylinder point punching equipment further comprises an upper pressing assembly, the upper pressing assembly comprises a pressing block and a second lifting driving device, the pressing block is located directly above the ceramic shell, the pressing block is fixedly connected with a push rod of the second lifting driving device, and the second lifting driving device is fixedly installed on the base.

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