Welding tool for high-voltage ceramic capacitor

Abstract

The utility model discloses a welding tool for a high-voltage ceramic capacitor. Relates to the field of high-voltage insulation and aims to solve the problems of low welding speed, poor welding quality and the like of insert welding of existing ceramic capacitors. The bottom of the base is provided with a supporting rod, two ends of the base are provided with fixing ends used for fixing positioning bolts, and the base is provided with air holes; the positioning bolts penetrate through the vertical holes in the fixed ends, one ends of the positioning bolts are fixed through nuts, the other ends of the positioning bolts are provided with contraction springs, and the pair of positioning bolts are oppositely arranged; one side, close to the fixed end, of each locking top block is connected with the corresponding positioning bolt, the two locking top blocks are fixed on the base through the positioning bolts, and a high-voltage ceramic capacitor and a same-diameter positioning ring are sequentially arranged between the two locking top blocks at intervals; and the center of the same-diameter positioning ring is provided with a circular through hole which is used for arranging an insert welded on the high-voltage ceramic capacitor.

Description

TECHNICAL FIELD

[0001] The utility model relates to high pressure insulation field more particularly related to high pressure ceramic capacitor's welding frock. BACKGROUND

[0002] High pressure ceramic capacitor plays a role in each node of intelligent power grid. When transmitting power over long distances, high pressure ceramic capacitor buffers voltage impact, reduces power loss and protects current flow. In intelligent electric meters and relay protection devices, capacitance is adjusted to provide a solid foundation for equipment operation.

[0003] The insert of the ceramic capacitor supporting product closely related to the high pressure ceramic capacitor is faced with high standard requirements. Nowadays, the power grid system has high requirements for stability, and the product insert welding quality cannot be careless. Once welding loosens or is virtual, the performance of the capacitor will be reduced in a high pressure environment, and even power accidents may occur. At the same time, the large-scale laying of intelligent power grids and the surge in electrical equipment have increased the demand for capacitors and the production pressure.

[0004] The traditional one-by-one welding method has obvious disadvantages. Manual operation is low in efficiency, and a skilled worker can only weld a limited number of products in a day, which cannot meet the demand of a large number of orders. In addition, the quality of manual welding is unstable, and it is difficult to ensure that each welding point meets the standard. Under this condition, industry experts invest efforts to design a frock for the insert welding. The new frock integrates automation and intelligent technology, can handle multiple inserts at a time, accurately positions, uniformly heats, improves welding efficiency, increases the qualified rate of welding points, meets the production rhythm, and meets the demands of customers for quality and delivery time. Utility model content

[0005] The utility model embodiment provides high pressure ceramic capacitor's welding frock, to solve the existing ceramic capacitor's insert welding exists welding speed slow, welding quality poor and so on problem.

[0006] The utility model embodiment provides high pressure ceramic capacitor's welding frock, including:

[0007] The base is provided with a support rod at the bottom, and the two ends are provided with fixed ends for fixing positioning bolts, and the base is provided with air holes;

[0008] The positioning bolt penetrates the vertical hole on the fixed end, one end is fixed through a nut, the other end is provided with a contraction spring, and a pair of positioning bolts are oppositely arranged;

[0009] The locking top block is arranged on the side close to the fixed end and connected with the positioning bolt, the two locking top blocks are fixed on the base through the positioning bolt, and the high pressure ceramic capacitor and the same diameter positioning ring are sequentially and spacedly arranged between the two locking top blocks;

[0010] The center of the same-diameter positioning ring is provided with a circular through hole for setting an insert welded to the high-voltage ceramic capacitor.

[0011] Preferably, the cross section of the base is in a 'V' shape, and two support rods are arranged below the same cross section of the base, and the height of the support rods is adjustable.

[0012] Preferably, an adjusting vertical hole is arranged on the fixed end.

[0013] The adjusting vertical hole is used for setting the positioning bolt, and the positioning bolt is fixed on the adjusting vertical hole through the nut.

[0014] Preferably, the diameters of the locking top block, the same-diameter positioning ring and the high-voltage ceramic capacitor are consistent.

[0015] Preferably, the circular through hole of the same-diameter positioning ring is concentric with the center of the high-voltage ceramic capacitor, the outer diameter of the same-diameter positioning ring is 8-74 mm, and the hole diameter of the circular through hole is 3-20 mm.

[0016] Preferably, the same-diameter positioning ring is used for setting an insert welded to the high-voltage ceramic capacitor, and the insert is provided with solder paste or conductive glue on the side surface close to the high-voltage ceramic capacitor.

[0017] Preferably, a plurality of uniform air holes are arranged on the base, and the length of the base is 10-500 mm.

[0018] The utility model discloses a welding tool of high-voltage ceramic capacitor, which comprises: a base, which is provided with support rods at the bottom, fixed ends for fixing positioning bolts at both ends, and air holes on the base; positioning bolts, which pass through vertical holes on the fixed ends, are fixed at one end through nuts, are provided with contraction springs at the other end, and a pair of the positioning bolts are arranged oppositely; locking top blocks are arranged on the side close to the fixed end and connected with the positioning bolts, the two locking top blocks are fixed on the base through the positioning bolts, and high-voltage ceramic capacitors and same-diameter positioning rings are arranged between the two locking top blocks in sequence. The center of the same-diameter positioning ring is provided with a circular through hole for setting an insert welded to the high-voltage ceramic capacitor. The welding tool can set multiple high-voltage ceramic capacitors on the base at the same time, can realize welding of multiple high-voltage ceramic capacitors at one time, has fast welding speed, solves the problem of slow welding speed of the existing welding mode, and can adopt a unified welding mode, has high consistency of welded products, and has good welding effect. The tool provided by the utility model has simple structure, is easy to manufacture, is easy for operating personnel to master, has high production efficiency, has uniform temperature, and has good product consistency. ACCURACY OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 The welding tool for the high-voltage ceramic capacitor provided by the embodiment of the present application is shown in the top view.

[0021] Figure 2 The welding tool for the high-voltage ceramic capacitor provided by the embodiment of the present application is shown in the side view.

[0022] Among them, 1-base, 2-supporting rod, 3-positioning bolt, 4-locking top block, 5-same-diameter positioning ring, 6-high-voltage ceramic capacitor, 7-fixed end, 11-air hole, 12-fixed end, 13-vertical hole, 31-nut, 32-contracting spring. DETAILED DESCRIPTION

[0023] The technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0024] Figure 1 The welding tool for the high-voltage ceramic capacitor provided by the embodiment of the present application is shown in the top view. Figure 2 The welding tool for the high-voltage ceramic capacitor provided by the embodiment of the present application is shown in the side view. The following takes Figure 1 and Figure 2 as examples to introduce the welding tool for the high-voltage ceramic capacitor provided by the embodiment of the present application in detail.

[0025] As Figure 1 shown, the welding tool for the high-voltage ceramic capacitor mainly comprises a base 1, a supporting rod 2, a positioning bolt 3, a locking top block 4 and a same-diameter positioning ring 5.

[0026] Specifically, the bottom of the base is provided with a plurality of supporting rods, and fixing ends 12 for fixing positioning bolts are arranged at both ends of the base, and air holes 11 are arranged on the base; through the above arrangement, the level of the tooling can be adjusted by the supporting rods, and the air holes arranged on the base can keep the high-voltage ceramic capacitor quickly and uniformly heated during welding; further, the positioning bolts are inserted into vertical holes 13 on the fixing ends, one end of the positioning bolt is fixed by a nut 31, the other end is provided with a contraction spring 32, and the positioning bolts arranged on the two fixing ends are distributed and arranged, and the contraction springs included in the positioning bolts are oppositely arranged; further, the locking blocks are connected with the positioning bolts on the side close to the fixing ends, the two locking blocks are fixed on the base by the positioning bolts, and the high-voltage ceramic capacitor 6 and the same-diameter positioning ring 5 are sequentially and spacedly arranged between the two locking blocks. Here, the contraction springs on the two positioning bolts can adjust the stress of the two locking blocks when they are tightly pressed; further, the same-diameter positioning ring arranged between the two locking blocks is provided with a circular through hole at the center, and the circular through hole is used to arrange the insert welded to the high-voltage ceramic capacitor.

[0027] The welding tooling for high-voltage ceramic capacitors provided by the embodiment of the utility model, in application, first uniformly prints the soldering paste or conductive glue of required thickness on the bottom of the welding nut of the high-voltage ceramic capacitor, the welding nut here can also become an insert, that is, the end of the insert away from the high-voltage ceramic capacitor is arranged in the circular through hole of the same-diameter positioning ring adjacent to the high-voltage ceramic capacitor, then uniformly prints the soldering paste or conductive glue of required thickness on the surface of the side of the insert close to the high-voltage ceramic capacitor, then fixes the same-diameter positioning ring at the center position of the silver surface at both ends of the high-voltage ceramic capacitor, then places the high-voltage ceramic capacitor, the same-diameter positioning ring and the locking block on the base in cooperation, adjusts the pressure of the contraction spring by adjusting the nut on the positioning bolt, so that the top end of the contraction spring is in close contact with the locking block, and the two locking blocks tightly fix the same-diameter positioning ring and the high-voltage ceramic capacitor. The structure is simple, the welding of multiple high-voltage ceramic capacitors can be completed at the same time, the problem that only one high-voltage ceramic capacitor can be welded at a time in the prior art is solved, meanwhile, the tooling can adopt a unified welding method, the consistency of the welded products is high, and the welding effect is good.

[0028] Exemplarily, the welding tooling provided by the embodiment of the utility model, the cross section of the base is in the shape of V, through the above arrangement, the same-diameter positioning ring and the high-voltage ceramic capacitor in the shape of a circle can be arranged in the V-shaped mouth, so that the problem that the fixing is not firm due to the shaking of the cylinder when the locking block is fixed is avoided; furthermore, two supporting rods are arranged below the same cross section of the base, so that the base in the shape of V can be fixed on the setting surface, and in the embodiment, the height of the supporting rod is adjustable, so that the base can be horizontally fixed on the setting surface.

[0029] Further, a plurality of air holes are evenly arranged on the base, through the arrangement of the air holes, it can be ensured that the welding part can be quickly heated and uniformly heated during the welding process, and the problem of uneven welding caused by local heating is avoided.

[0030] In actual application, the length of the base can be set according to actual application, and the length of the base is between 10-500mm.

[0031] For example, the welding tool provided by the embodiment of the utility model is provided with an adjusting vertical hole on the fixed end, and the adjusting vertical hole is used for arranging a positioning bolt, that is, the positioning bolt is fixed on the adjusting vertical hole through a nut.

[0032] For example, the welding tool provided by the embodiment of the utility model is provided with an adjusting vertical hole on the fixed end, and the adjusting vertical hole is used for arranging a positioning bolt, that is, the positioning bolt is fixed on the adjusting vertical hole through a nut.

[0033] It should be noted that, in the embodiment of the utility model, the diameter of the locking top block, the same-diameter positioning ring and the high-voltage ceramic capacitor is consistent, and the circular through hole of the same-diameter positioning ring and the center of the high-voltage ceramic capacitor are concentric circles.

[0034] In summary, the utility model discloses the welding tool of high -voltage ceramic capacitor, include: base, its bottom setting support pole, both ends setting is used for fixed positioning bolt fixed end, set up the air hole on the base;Positioning bolt, it is through the vertical hole on fixed end, one end is fixed through the nut, and the other end is provided with contraction spring, a pair of positioning bolt is opposite and sets up;Locking top piece, it is close to fixed end one side setting and the positioning bolt is connected, two locking top pieces are fixed on the base through the positioning bolt, and high -voltage ceramic capacitor and the same diameter positioning ring are sequentially and spaced apart and set up between two locking top pieces;Same diameter positioning ring, the center is set up circular through -hole, is used to set up the insert that is welded to high -voltage ceramic capacitor.This welding tool can set up multiple high -voltage ceramic capacitors simultaneously on the base, can realize the welding of multiple high -voltage ceramic capacitors of disposable, and welding speed is fast, solves the problem that existing welding mode can only weld one, and welding speed is slow;Furthermore, the tool can adopt unified welding mode, and the consistency of welded product is high, and the welding effect is good;Meanwhile, the tool only needs to complete welding according to the set step, can reach good replicability, and the experiential requirement of welding personnel is reduced, and can quickly get started.The tool provided in the utility model embodiment, simple structure, easy to manufacture, and the operating personnel is easy to master, and the production efficiency is high, and the temperature is uniform, and the product consistency is good.Solve the insert welding of existing ceramic capacitor and exist welding speed slow, welding quality poor and other problems.

[0035] Although the preferred embodiments of the present application have been described, those skilled in the art can make further changes and modifications to these embodiments once they know the basic inventive concept. Therefore, the appended claims are intended to cover all such changes and modifications that fall within the scope of the present application.

[0036] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A soldering fixture for high voltage ceramic capacitors, characterized in that The utility model relates to a high-voltage ceramic capacitor fixing device, including: A base is provided with a support rod at the bottom, fixing ends for fixing positioning bolts are arranged at both ends, and air holes are arranged on the base; Positioning bolts are arranged through vertical holes on the fixing ends, one end is fixed by a nut, the other end is provided with a compression spring, and a pair of positioning bolts are arranged oppositely; Locking top blocks are arranged on the side close to the fixing ends and connected with the positioning bolts, two locking top blocks are fixed on the base through the positioning bolts, and high-voltage ceramic capacitors and same-diameter positioning rings are arranged in sequence and spaced apart between the two locking top blocks; A same-diameter positioning ring is provided with a circular through hole at the center for arranging an insert welded to the high-voltage ceramic capacitor.

2. The welding fixture of claim 1, wherein, The cross section of the base is "V" shaped, two support rods are arranged below the same cross section of the base, and the height of the support rod can be adjusted.

3. The welding fixture of claim 1, wherein, Adjustable vertical holes are arranged on the fixing ends; The adjustable vertical holes are used for arranging the positioning bolts, and the positioning bolts are fixed on the adjustable vertical holes through the nuts.

4. The welding fixture of claim 1, wherein, The diameters of the locking top blocks, the same-diameter positioning ring and the high-voltage ceramic capacitor are consistent.

5. The welding fixture of claim 1, wherein, The circular through hole of the same-diameter positioning ring is concentric with the center of the high-voltage ceramic capacitor, the outer diameter of the same-diameter positioning ring is 8-74mm, and the hole diameter of the circular through hole is 3-20mm.

6. The welding fixture of claim 1, wherein, The same-diameter positioning ring is used for arranging an insert welded to the high-voltage ceramic capacitor, and the insert is provided with solder paste or conductive glue on the surface close to the side surface of the high-voltage ceramic capacitor.

7. The welding fixture of claim 1, wherein A plurality of uniform air holes are arranged on the base, and the length of the base is 10-500mm.

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