Rectifier module sintering die

Abstract

The utility model discloses a rectifier module sintering die. The rectifier module sintering mold comprises a rectifier module and a sintering mold, the rectifier module comprises a rectifier tube core, a pole piece, a ceramic chip and a bottom plate, the ceramic chip and the pole piece are combined with the rectifier tube core according to the properties of a single-arm bridge, a single-phase bridge or a three-phase full bridge and then placed on the bottom plate, and the bottom plate is provided with a mounting hole. The sintering mold comprises a sintering mold frame, a ceramic chip positioning plate, a pole piece positioning plate and a pressure spring plate, the sintering mold frame is provided with a positioning column, an inner side area of the positioning column is provided with an assembling column, and a mounting hole in the bottom plate corresponds to the assembling column to assemble the rectifier module on the sintering mold frame; the ceramic chip positioning plate is provided with an assembly hole and is fixed on the bottom plate through the assembly hole; the ceramic chip positioning plate is provided with an opening and is provided with the pole piece positioning plate; the pressure spring plate is provided with a pressure rod positioning hole, a spring pressure rod penetrates through the pressure rod positioning hole, and the pressure spring plate is provided with a pole piece through hole and a positioning hole. The fixing device is simple in structure, accurate in positioning, rapid in fixing and convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic devices, in particular to a sintering die for a rectifier module. Background Art

[0002] The rectifier module assembles two or more rectifier tube cores together to form a single-arm bridge, a single-phase bridge, or a three-phase full bridge. When assembling the bridge core, there is no mold and the positioning of each supporting part depends on manual experience. The building block-like assembly method is prone to inaccurate positioning of supporting parts and welding voids. Utility Model Content

[0003] The utility model aims to provide a rectifier module sintering mold with accurate positioning, quick fixing and convenient installation in view of the shortcomings of the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a rectifier module sintering mold, including a rectifier module and a sintering mold, the rectifier module includes two or more rectifier tube cores, a plurality of pole pieces, a ceramic piece and a bottom plate, the ceramic piece and the pole piece are placed on the bottom plate after being combined with the rectifier tube core according to the properties of a single-arm bridge, a single-phase bridge or a three-phase full-bridge, the bottom plate is provided with a plurality of mounting holes, the sintering mold includes a sintering mold frame, a ceramic piece positioning plate, a pole piece positioning plate and a compression spring plate, the sintering mold frame is vertically provided with a plurality of positioning columns, the inner side area of ​​the positioning columns is provided with a first assembly column and a second assembly column, the mounting holes on the bottom plate correspond to the first assembly columns and the second assembly column to assemble the rectifier module on the sintering mold frame; the ceramic positioning plate is provided with a first assembly hole corresponding to the first assembly column, and a second assembly hole corresponding to the second assembly column, the ceramic positioning plate is fixed to the bottom plate through the first assembly hole and the second assembly hole, the middle of the ceramic positioning plate is opened, and a pole piece positioning plate framing the pole piece position is installed on the inner wall of the opening; the compression spring plate is provided with a pressure rod positioning hole corresponding to the position of the rectifier tube core, a spring pressure rod is inserted into the pressure rod positioning hole, the compression spring plate is provided with a pole piece through-hole corresponding to the position of the pole piece, and a positioning hole corresponding to the position of the positioning column, the spring pressure rod presses the pole piece downward to fix the rectifier module between the compression spring plate and the sintering mold frame.

[0005] Preferably, the outer diameter of the upper part of the second assembly column is the same as the hole diameter of the second assembly hole, and the lower part of the second assembly column is provided with a cylindrical step whose outer diameter is slightly larger than the outer diameter of the upper part, the height of the step is equal to the height of the base plate, and the outer diameter of the step is the same as the hole diameter of the mounting hole.

[0006] It needs to be further explained that in order to prevent the installation order of the base plate and the pole piece positioning plate from being reversed and the pole piece positioning plate from being placed incorrectly, a step is set on the second assembly column, and the apertures of the first assembly hole and the second assembly hole are differentiated to ensure that the base plate is installed between the pole piece positioning plate and the sintering mold frame, and the direction is indicated by the first assembly hole and the second assembly hole when installing the rectifier module.

[0007] Preferably, the ceramic positioning plate is provided with positioning bosses corresponding to the arrangement and distribution of the ceramics, and the pole piece positioning plate is provided with separation bosses corresponding to the arrangement and distribution of the pole pieces.

[0008] Compared with the prior art, the utility model has the following advantages:

[0009] 1. Compared with manual direct assembly, the utility model fixes the various supporting parts of the rectifier module before sintering through a sintering mold, assembles the various supporting parts accurately according to the required position, and puts them into a sintering furnace to sinter into a bridge core;

[0010] 2. During the sintering process, it is ensured that the positions of the supporting parts will not jump, and the rectifier core will not be damaged. The spring pressure rod on the compression spring plate can compact the gaps between the supporting parts and reduce the welding void rate;

[0011] 3. The utility model has a simple structure, is convenient for assemblers to operate, and can effectively improve assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a structural schematic diagram of a sintering mold in the utility model.

[0014] Figure 3 It is a structural schematic diagram of a sintering mold frame in the utility model.

[0015] Figure 4 It is a structural schematic diagram of the pole piece positioning plate in the utility model.

[0016] Figure 5 It is a structural schematic diagram of the compression spring plate in the utility model.

[0017] Figure 6 This is a structural diagram of the rectifier module in the utility model.

[0018] Figure 7 It is a structural schematic diagram of the rectifier tube core and the pole piece in the utility model.

[0019] Figure 8 It is a structural schematic diagram of the ceramic tile and the bottom plate in the utility model.

[0020] Among them, 10-sintering mold, 11-sintering mold frame, 12-positioning column, 13-first assembly column, 14-second assembly column, 21-ceramic positioning plate, 22-first pole piece positioning plate, 23-second pole piece positioning plate, 24-first assembly hole, 25-second assembly hole, 26-positioning boss, 27-partitioning boss, 31-compression spring plate, 32-positioning hole, 33-pole piece through hole, 34-pressure rod positioning hole, 35-spring pressure rod, 40-three-phase rectifier module, 41-rectifier tube core, 42-pole piece, 51-base plate, 52-ceramic piece, 54-mounting hole. DETAILED DESCRIPTION

[0021] The present invention is further explained below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that these implementation methods are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0022] A rectifier module sintering mold comprises a rectifier module and a sintering mold, wherein the rectifier module comprises two or more rectifier tube cores, a plurality of pole pieces, a ceramic piece and a bottom plate, wherein the ceramic piece and the pole piece are combined with the rectifier tube core according to the properties of a single-arm bridge, a single-phase bridge or a three-phase full-bridge and are placed on the bottom plate, wherein the bottom plate is provided with a plurality of mounting holes, and the sintering mold comprises a sintering mold frame, a ceramic piece positioning plate, a pole piece positioning plate and a compression spring plate, wherein the sintering mold frame is vertically provided with a plurality of positioning columns, wherein the inner side area of ​​the positioning rod is provided with a first assembly column and a second assembly column, and the mounting holes on the bottom plate correspond to the first assembly column and the second assembly column to mount the rectifier module It is equipped on the sintering mold frame; the ceramic positioning plate is provided with a first assembly hole corresponding to the first assembly column, and a second assembly hole corresponding to the second assembly column, the ceramic positioning plate is fixed to the bottom plate through the first assembly hole and the second assembly hole, the middle of the ceramic positioning plate is opened, and a pole piece positioning plate that frames the pole piece position is installed on the inner wall of the opening; the compression spring plate is provided with a pressure rod positioning hole corresponding to the position of the rectifier tube core, a spring pressure rod is inserted into the pressure rod positioning hole, the compression spring plate is provided with a pole piece through-hole corresponding to the position of the pole piece, and a positioning hole corresponding to the position of the positioning column, the spring pressure rod presses the pole piece downward to fix the rectifier module between the compression spring plate and the sintering mold frame.

[0023] Furthermore, the outer diameter of the upper part of the second assembly column is the same as the hole diameter of the second assembly hole, and the lower part of the second assembly column is provided with a cylindrical step with an outer diameter slightly larger than the outer diameter of the upper part, the height of the step is equal to the height of the base plate, and the outer diameter of the step is the same as the hole diameter of the mounting hole.

[0024] Furthermore, the ceramic positioning plate is provided with positioning bosses corresponding to the arrangement and distribution of the ceramics, and the pole piece positioning plate is provided with separation bosses corresponding to the arrangement and distribution of the pole pieces.

[0025] Embodiment: In this embodiment, a three-phase rectifier module 40 is used as a sintering object. Figures 1 to 8 The rectifier module sintering mold 10 shown in FIG. 1 comprises a three-phase rectifier module 40 and a sintering mold 10. The rectifier module comprises six rectifier tube cores 41, five pole pieces 42, two ceramic pieces 52 and a bottom plate 51. Figure 6 As shown, the rectifier tube core 41 is arranged in a 2*3 array, and the ceramic piece 52 and the pole piece 42 are placed on the bottom plate 51 after being mounted and combined with the rectifier tube core 41 according to the properties of the three-phase full bridge. The bottom plate 51 is provided with four mounting holes 54, and the four mounting holes 54 are arranged in a rectangular shape and are respectively placed at the four corners of the bottom plate 51. The sintering mold 10 includes a sintering mold frame 11, a ceramic positioning plate 21, two pole piece 42 positioning plates and two compression spring plates 31. The sintering mold frame 11 is vertically provided with four positioning posts 12, and the four positioning posts 12 are arranged in a rectangular shape and are respectively placed at the four corners of the sintering mold frame 11. The inner area of ​​the positioning column 12 is provided with a first assembly column 13 and a second assembly column 14, and the first assembly column 13 and the second assembly column 14 are arranged diagonally. Two of the four mounting holes 54 on the bottom plate 51 are arranged diagonally to correspond to the first assembly column 13 and the second assembly column 14 to assemble the rectifier module on the sintering mold frame 11; the ceramic positioning plate 21 is provided with a first assembly hole 24 corresponding to the first assembly column 13, and a second assembly hole 25 corresponding to the second assembly column 14. The ceramic positioning plate 21 is fixed to the bottom plate 51 through the first assembly hole 24 and the second assembly hole 25. Figure 3 As shown, the outer diameter of the upper part of the second assembly column 14 is the same as the aperture of the second assembly hole 25, and the lower part of the second assembly column 14 is provided with a cylindrical step with an outer diameter slightly larger than the outer diameter of the upper part, the height of the step is equal to the height of the bottom plate 51, and the outer diameter of the step is the same as the aperture of the mounting hole 54; the middle of the ceramic positioning plate 21 is opened and two pole piece positioning plates framing the position of the pole piece 42 are installed on the inner wall of the opening, as shown in FIG. Figure 4 As shown, the first pole piece positioning plate 22 is located on one side, the second pole piece positioning plate 23 is arranged opposite to the first pole piece positioning plate 22, the inner wall of the second pole piece positioning plate 23 is provided with a separation boss 27 corresponding to the three pole pieces 42 on one side, and the ceramic piece positioning plate 21 is provided with a positioning boss 26 corresponding to the arrangement and distribution of the two ceramic pieces 52, and the positioning boss and the separation boss 27 work together to make each pole piece 42 independently fixed and stuck; two compression spring plates 31 are arranged in parallel corresponding to the three rectifier tube cores 41 on one side, and each compression spring plate 31 is provided with a pressure rod positioning hole 34 corresponding to the position of the rectifier tube core 41, and a spring pressure rod 35 is inserted into the pressure rod positioning hole 34, as shown in FIG. Figure 5As shown, each compression spring plate 31 is provided with a pole piece through hole 33 corresponding to the position of the pole piece 42 located in the middle, and the pole piece through hole 33 is used to limit and fix the pole piece 42 located in the middle; each compression spring plate 31 is provided with a positioning hole 32 corresponding to the position of the positioning column 12 on both sides, and the spring pressure rod 35 presses the pole piece 42 downward to fix the rectifier module between the compression spring plate 31 and the sintering mold frame 11.

[0026] The working principle and process of this embodiment are as follows: the sintering mold frame 11, the bottom plate 51, the ceramic positioning plate 21, the first pole piece positioning plate 22, and the second pole piece positioning plate 23 are assembled and placed downward in sequence; the ceramic 52, the pole piece 42 of the three-phase rectifier module 40, and the rectifier tube core 41 are installed and positioned according to the positioning boss 26 and the partition boss 27; the spring pressure rod 35 is inserted into the pressure rod positioning hole 34 in advance; the two compression spring plates 31 are assembled and positioned corresponding to the pole piece through-hole 33 and the positioning column 12.

[0027] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A rectifier module sintering mold, comprising a rectifier module and a sintering mold, wherein the rectifier module comprises two or more rectifier tube cores, a plurality of pole pieces, a ceramic sheet and a bottom plate, wherein the ceramic sheet and the pole piece are combined with the rectifier tube core according to the properties of a single-arm bridge, a single-phase bridge or a three-phase full bridge and are placed on the bottom plate, wherein the bottom plate is provided with a plurality of mounting holes, and wherein the rectifier module comprises two or more rectifier tube cores, a plurality of pole pieces, a ceramic sheet and a bottom plate, wherein the ceramic sheet and the pole piece are combined with the rectifier tube core according to the properties of a single-arm bridge, a single-phase bridge or a three-phase full bridge and are placed on the bottom plate, and wherein the bottom plate is provided with a plurality of mounting holes, and wherein the rectifier module comprises two or more pole pieces, a plurality of ... The sintering mold includes a sintering mold frame, a ceramic positioning plate, a pole piece positioning plate and a compression spring plate. The sintering mold frame is vertically provided with a plurality of positioning columns, and the inner area of ​​the positioning columns is provided with a first assembly column and a second assembly column. The mounting holes on the base plate correspond to the first assembly column and the second assembly column to assemble the rectifier module on the sintering mold frame; the ceramic positioning plate is provided with a first assembly hole corresponding to the first assembly column and a second assembly hole corresponding to the second assembly column. The ceramic positioning plate is fixed to the base plate through the first assembly hole and the second assembly hole. The middle opening of the ceramic positioning plate is provided with a pole piece positioning plate that frames the pole piece position on the inner wall of the opening; the compression spring plate is provided with a pressure rod positioning hole corresponding to the position of the rectifier tube core, and a spring pressure rod is inserted in the pressure rod positioning hole. The pressure spring plate is provided with a pole piece through-hole corresponding to the position of the pole piece and a positioning hole corresponding to the position of the positioning column. The spring pressure rod presses the pole piece downward to fix the rectifier module between the compression spring plate and the sintering mold frame.

2. A rectifier module sintering mold according to claim 1, characterized in that: The outer diameter of the upper part of the second assembly column is the same as the hole diameter of the second assembly hole. The lower part of the second assembly column is provided with a cylindrical step with an outer diameter slightly larger than the outer diameter of the upper part. The height of the step is equal to the height of the base plate, and the outer diameter of the step is the same as the hole diameter of the mounting hole.

3. The rectifier module sintering mold according to claim 1, characterized in that: The ceramic chip positioning plate is provided with positioning bosses corresponding to the arrangement and distribution of the ceramic chips, and the pole piece positioning plate is provided with separation bosses corresponding to the arrangement and distribution of the pole pieces.

Images