Flat lamp filament welding positioning device

Abstract

The utility model discloses a flat lamp filament welding positioning device. Comprising a positioning piece and a fixing piece, the positioning piece is arranged in an installation groove in the top of the X-ray bulb tube cathode head, the positioning piece and the X-ray bulb tube cathode head are concentric, the center of the positioning piece is a positioning part, and the positioning part is located above a ceramic core column assembly in the center of the X-ray bulb tube cathode head. The distance between the positioning part and a filament groove in the ceramic core column assembly is a set height when a flat filament is welded; the positioning part is provided with a fixing part, the fixing part extends to the position below the positioning part, a gap between the fixing part and the positioning part forms a clamping station, the clamping station is parallel to the horizontal plane, and the clamping station clamps and fixes the flat top face of the flat lamp filament. The welding height of the flat lamp filament can be guaranteed through the positioning device, meanwhile, the clamping station is provided to horizontally fix the flat top face of the flat lamp filament, the flatness of the flat top face is guaranteed, and the percent of pass of welding of the flat lamp filament is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to X -ray bulb production technical field, especially relates to a flat plate filament welding positioning device. BACKGROUND

[0002] X -ray bulb is the important component part of CT equipment and DSA equipment, and works through the filament that installs in X -ray bulb cathode head filament slot emits electron beam to anode target surface and produces X -ray.

[0003] The X -ray bulb cathode head of existing CT equipment often adopts flat plate filament, and the flat plate filament is welded in the filament slot of the bulb cathode head through argon arc welding. In order to ensure that the flat plate filament can work normally, the height during welding of the flat plate filament has certain requirements, and the flat plate top surface of the flat plate filament also needs to be kept horizontal. Therefore, it is necessary to develop a welding tool that can position the height during welding of the flat plate filament and ensure the flatness of the flat plate top surface of the flat plate filament.

[0004] The information disclosed in this section is only intended to increase the understanding of the overall background of the present utility model, and should not be regarded as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a flat plate filament welding positioning device to overcome the defects in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides a flat plate filament welding positioning device, which comprises a positioning member and a fixing member. The positioning member is arranged in the mounting groove on the top of the X -ray bulb cathode head, and the positioning member is concentric with the X -ray bulb cathode head. The center of the positioning member is a positioning part, which is located above the ceramic core column assembly at the center of the X -ray bulb cathode head. The distance between the positioning part and the filament slot in the ceramic core column assembly is the set height during welding of the flat plate filament. The fixing member is arranged on the positioning member and extends below the positioning part. The gap between the fixing member and the positioning part forms a clamping station, which is parallel to the horizontal plane and clamps and fixes the flat plate top surface of the flat plate filament. The height during welding of the flat plate filament is ensured by the positioning member, and the flatness of the flat plate top surface of the flat plate filament is ensured by the clamping station.

[0007] Preferably, in the technical solution, the positioning component includes an annular base, a support component, and a connector. Three support components are evenly spaced on the annular base and connected to each other by the connector. The connector is located at the center of the positioning component and serves as the positioning part. The size of the annular base matches the mounting groove at the top of the X-ray tube cathode head. The connector is located above the ceramic core column assembly at the center of the X-ray tube cathode head. The distance between the bottom surface of the connector and the filament groove inside the ceramic core column assembly is the set height during flat filament welding. The bottom surface of the connector is a horizontal plane.

[0008] Preferably, in the technical solution, the fixing component includes a vertical component and a horizontal component. The vertical component is connected to the horizontal component. The vertical component is detachably disposed on one side of the connecting component. The horizontal component extends to the bottom surface of the connecting component. The gap between the horizontal component and the bottom surface of the connecting component forms a clamping station.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] The positioning device ensures the height of the flat filament during welding and provides a clamping station to fix the top surface of the flat filament horizontally, ensuring the flatness of the top surface and improving the pass rate of flat filament welding. Attached image description:

[0011] Figure 1 This is a schematic diagram of the flat filament welding positioning device of this utility model;

[0012] Figure 2 This is a schematic diagram of the assembly of the flat filament welding positioning device of this utility model;

[0013] Figure 3 This is a schematic diagram of the internal structure of the flat filament welding positioning device of this utility model. Detailed implementation method:

[0014] The specific embodiments of this utility model are described in detail below, but it should be understood that the scope of protection of this utility model is not limited to the specific embodiments.

[0015] Unless otherwise expressly stated, throughout the specification and claims, the term "comprising" or its variations such as "including" or "comprises" shall be understood to include the stated elements or components without excluding other elements or other components.

[0016] like Figure 1As shown in the drawings, the flat filament welding positioning device comprises a positioning member and a fixing member; the positioning member is arranged in the mounting groove 8 on the top of the X-ray tube cathode head 7, and the positioning member is concentric with the X-ray tube cathode head 7; the positioning member comprises a ring-shaped base 1, a support 2 and a connecting member 3; three supports 2 are uniformly and spacedly arranged on the ring-shaped base 1, and the supports 2 are connected through the connecting member 3; the connecting member 3 is located at the center of the positioning member, and the connecting member 3 serves as a positioning part; the size of the ring-shaped base 1 is matched with the mounting groove 8 on the top of the X-ray tube cathode head 7; the connecting member 3 is located above the ceramic stem assembly 9 at the center of the X-ray tube cathode head 7; the distance between the bottom surface of the connecting member 3 and the filament groove 10 in the ceramic stem assembly 9 is the set height during welding of the flat filament 11; and the bottom surface of the connecting member 3 is a horizontal surface.

[0017] The fixing member comprises a vertical member 4 and a horizontal member 5; the vertical member 4 is connected with the horizontal member 5; the vertical member 4 is detachably arranged on one side surface of the connecting member 3 through a hexagonal cylindrical head screw 6; the horizontal member 5 extends below the bottom surface of the connecting member 3; the gap between the horizontal member 5 and the bottom surface of the connecting member 3 forms a clamping station; the clamping station is parallel with the horizontal surface; and the clamping station clamps and fixes the flat top surface of the flat filament 11.

[0018] As shown in the drawings, Figures 2-3 the flat filament 11 to be welded is placed in the filament groove 10; the positioning member is placed in the mounting groove 8; the fixing member is arranged on the connecting member 3; the horizontal member 5 lifts the flat top surface of the flat filament 11 to the clamping station; the horizontal member 5 and the bottom surface of the connecting member 3 horizontally clamp and fix the flat top surface; at this time, the height of the flat filament 11 meets the height requirement for welding; the flat filament 11 is subjected to YAHOO welding; and the flat filament 11 is welded and fixed in the filament groove 10. The positioning device guarantees the flatness of the flat top surface and the height of the flat filament welding, and improves the qualified rate of the flat filament welding.

[0019] The foregoing description of the specific exemplary embodiments of the present application is for the purpose of explanation and illustration. These descriptions do not intend to limit the present application to the precise forms disclosed, and many modifications and variations are possible in light of the above teachings. The exemplary embodiments were chosen and described in order to explain the principles of the present application and its practical application, thereby enabling others skilled in the art to implement and utilize the various embodiments of the present application, as well as various alternatives and modifications thereof. It is intended that the scope of the present application be defined by the claims and their equivalents.

Claims

1. A flat filament welding positioning device, characterized by: The positioning piece and the fixing piece are arranged; the positioning piece is arranged in the mounting groove on the top of the X-ray tube cathode head, the positioning piece is concentric with the X-ray tube cathode head, the center of the positioning piece is the positioning part, the positioning part is located above the ceramic stem assembly in the center of the X-ray tube cathode head, the distance between the positioning part and the filament groove in the ceramic stem assembly is the set height during the welding of the flat filament; the fixing piece is arranged on the positioning piece, the fixing piece extends below the positioning part, the gap between the fixing piece and the positioning part forms the clamping station, the clamping station is parallel to the horizontal plane, and the clamping station clamps and fixes the flat top surface of the flat filament.

2. The flat-filament weld positioning device of claim 1, wherein: The positioning piece comprises a ring-shaped base, a support piece and a connecting piece, three support pieces are uniformly and spacedly arranged on the ring-shaped base, the support pieces are connected through the connecting piece, the connecting piece is located at the center of the positioning piece, the connecting piece serves as the positioning part, the size of the ring-shaped base is matched with the mounting groove on the top of the X-ray tube cathode head, the connecting piece is located above the ceramic stem assembly in the center of the X-ray tube cathode head, the distance between the bottom surface of the connecting piece and the filament groove in the ceramic stem assembly is the set height during the welding of the flat filament, and the bottom surface of the connecting piece is the horizontal plane.

3. The flat-filament weld positioning device of claim 2, wherein: The fixing piece comprises a vertical piece and a horizontal piece, the vertical piece is connected with the horizontal piece, the vertical piece is detachably arranged on one side surface of the connecting piece, the horizontal piece extends below the bottom surface of the connecting piece, and the gap between the horizontal piece and the bottom surface of the connecting piece forms the clamping station.

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