CN220902523U - Machining tool for spigot of bearing seat of hydrogen pump - Google Patents

Abstract

The application relates to a processing tool for a seam allowance of a bearing seat of a hydrogen pump, which belongs to the field of bearing seat processing tools and comprises an upper bottom plate and a lower bottom plate, wherein the upper bottom plate and the lower bottom plate are arranged at intervals and are connected through upright posts, two mounting cavities are symmetrically arranged on the upper bottom plate and are used for placing the bearing seats, a guide sinking groove is horizontally arranged on the upper bottom plate corresponding to the two mounting cavities, two pressing blocks are slidably arranged in the guide sinking groove, the two pressing blocks are simultaneously connected with a driving unit, the driving unit simultaneously drives the two pressing blocks to press the two bearing seats, the clamping tool can limit 6 degrees of freedom of the bearing seats, complete clamping is realized, clamping firmness is improved, simultaneously, the two pressing blocks are simultaneously driven by a driving piece and then simultaneously press the two bearing seats, and processing efficiency is improved.

Description

Machining tool for spigot of bearing seat of hydrogen pump

Technical Field

The utility model relates to the field of bearing seat machining tools, in particular to a machining tool for a spigot of a bearing seat of a hydrogen pump.

Background

The hydrogen pump is mainly used for pressurizing and reutilizing hydrogen-containing mixed gas exhausted by the fuel cell, and mainly comprises a pump shell, a driving rotor and a driven rotor, wherein the shape of the inner wall of the pump shell is designed into an arc-shaped inner wall matched with the driving rotor and the driven rotor, the rotating rotor and the driven rotor are connected to a rotating shaft, the rotating shaft is arranged in a bearing seat on the pump shell through bearing rotation, and under the general condition, a spigot is arranged on the bearing seat in order to ensure that the bearing does not axially float in the high-speed running process of the rotating shaft. The machining of the spigot of the bearing seat is generally carried out on a special machining tool, the clamping plate is generally arranged on a workbench, the clamping plate is driven by a mechanical structure or other driving components, the bearing seat clamping and fixing tool disclosed in patent CN218874504U is used for pressing the bearing seat through a compression spring driving pressing block, the bearing seat clamping tools are various in principle, but the principles are different, but the common point is that the existing bearing seat clamping tool is used for clamping one bearing seat at a time, and the machining efficiency is obviously lower when the bearing seat is machined.

Disclosure of utility model

The application aims to solve the technical problems that the existing bearing seat clamping tool generally clamps one bearing at a time, one bearing is machined at a time and the machining efficiency is low.

Preferably, the driving unit comprises a driving piece and a conical block, the driving piece is connected with the conical block, the conical block is close to two side surfaces of the pressing blocks and respectively provided with an inclined guide groove, a conical space is formed between the inclined guide grooves of the two pressing blocks, the conical space is gradually reduced from the upper surface of the upper bottom plate to the lower surface of the upper bottom plate, the conical block is simultaneously connected between the inclined guide grooves of the two pressing blocks and is located in the conical space, the driving piece drives the conical block to slide in the two inclined guide grooves, and then the two pressing blocks are driven to reciprocate in the guide sinking groove.

Preferably, the cross section of the inclined guide groove is in a shape of a Chinese character 'kou' with a notch at one side, the length of the notch is smaller than that of the symmetrical edge of the notch, the two symmetrical sides of the conical block are correspondingly provided with guide parts, and the cross section of each guide part is matched with the cross section of the inclined guide groove.

Preferably, the driving member is a telescopic cylinder.

Preferably, a cover plate is arranged above the upper bottom plate corresponding to the guide sinking groove.

Preferably, the pressed surface of the hydrogen pump bearing seat has a draft angle, the pressing surface of each pressing block is an inclined surface, and the inclination of the inclined surface is matched with the draft angle.

According to the clamping fixture, 6 degrees of freedom of the bearing can be limited, complete clamping is achieved, clamping firmness is improved, meanwhile, two pressing blocks are arranged in the guide sinking groove, the driving piece is used for driving the two pressing blocks at the same time so as to simultaneously compress the two bearing seats, the two bearing seats are processed at the same time, and processing efficiency is improved.

Drawings

FIG. 1 is a schematic view of the structure of the utility model without covering a cover plate;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the cover plate after being covered;

fig. 4 is a state diagram of the present utility model when the bearing housing is compressed.

In the figure, 1, an upper bottom plate, 2, an upright post, 3, a lower bottom plate, 4, a mounting cavity, 5, a driving unit, 6, a pressing block, 7, an inclined guide groove, 8, a guide part, 9, a guide sinking groove, 10, a draft angle, 11, a cover plate, 12 and a bearing seat;

501. telescopic cylinder 502, conical block.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.

In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.

As shown in fig. 1-4, a processing tool for a spigot of a bearing seat of a hydrogen pump comprises a rectangular upper bottom plate 1 and a rectangular lower bottom plate 3, wherein the upper bottom plate 1 and the lower bottom plate 3 are arranged at intervals up and down and are connected through eight upright posts 2. The upper base plate 1 bilateral symmetry is equipped with two installation cavities 4 for place two bearing frames 12, and upper base plate 1 department level that corresponds between two installation cavities 4 is equipped with direction heavy groove 9, and direction heavy groove 9 left and right sides is "worker" style of calligraphy, and the direction heavy groove 9 is interior to be equipped with two briquetting 6, and two briquetting 6 are connected with a drive unit 5 simultaneously, and drive unit 5 drives two briquetting 6 simultaneously and slides in direction heavy groove 9 and then compress tightly two bearing frames 12, and here drive unit 5 can adopt multiple form, can adopt two pole cylinders, two pole cylinders or two pole cylinders directly drive two briquetting 6 and remove, also can adopt the form of indirect drive.

Further, the driving member is preferably configured in such a manner that the side surface of each pressing block 6 near the driving member is provided with an inclined guide groove 7, the inclined guide groove 7 is directly formed on the right side surface of the pressing block 6 in the embodiment, and is of an integral structure with the pressing block 6, a conical space is formed between the inclined guide grooves 7 of the two pressing blocks 6, the conical space is gradually reduced from top to bottom, a conical block 502 is simultaneously connected between the two inclined guide grooves 7, two side surfaces of the conical block 502 are slidably arranged in the inclined guide grooves 7, the conical block 502 is simultaneously positioned in the conical space, the conical block 502 is connected with the driving member, the driving member drives the conical block 502 to slide in the two inclined guide grooves 7, and further drives the two pressing blocks 6 to reciprocate in the guide sinking groove 9, the driving member can adopt various forms, for example, a telescopic cylinder drives the conical quick lifting, and during the lifting of the conical quick lifting, the two pressing blocks 6 are pushed to reciprocate in the guide sinking groove 9 when the lifting. However, in other embodiments, the driving member may take other forms, such as a motor driving the screw nut to rotate, and thus driving the tapered block 502 to lift.

The application preferably adopts the driving piece to drive the conical block 502 to lift, and indirectly drives the two pressing blocks 6 to move left and right, so that the occupied space of the driving piece in the horizontal direction can be reduced, the size of the whole tool in the left-right front-back direction is balanced, and the situation that the tool is excessively long in the left-right direction due to the arrangement of the driving piece between the two pressing blocks 6 is avoided.

Further, how the inclined guide groove 7 and the tapered block 502 are connected, the section of the inclined guide groove 7 is in a shape of a mouth with a gap at one side, the length of the gap is smaller than that of the symmetric edge of the inclined guide groove, the two symmetrical sides of the tapered block 502 are correspondingly provided with guide parts 8, the section of each guide part 8 is matched with the section of the inclined guide groove 7, the connection mode can realize matching in the vertical direction and limit the pressing blocks 6 in the horizontal direction, and the driving piece is guaranteed to drive the tapered block 502 to push the two pressing blocks 6 away from each other simultaneously and pull the two pressing blocks 6 to be close to each other simultaneously.

Further preferably, the driving member is a telescopic cylinder 501, preferably an electric cylinder, and the electric cylinder does not need to be provided with an air path, an oil path or the like, is convenient to install, is obtained by directly purchasing, the telescopic cylinder 501 is fixed on the lower surface of the upper base plate 1, and the telescopic rod end passes through the upper base plate 1 and is connected with the conical block 502.

Of course, in other embodiments, cylinders or rams may be employed without regard to the complex conditions of installation.

Further, the upper bottom plate 1 is provided with the cover plate 11 above the corresponding guide sinking groove 9, the cover plate 11 is fixed on the upper bottom plate 1 through screws, scraps can be prevented from falling into the conical block 502 when the seam allowance of the bearing seat 12 is machined by the cover plate 11, and particularly scraps are prevented from falling into the guide parts 8 on the left side surface and the right side surface of the conical block 502 and the inclined guide groove 7 of the pressing block 6, so that the conical block 502 is prevented from sliding in the inclined guide groove 7.

Further, the pressed surface of the hydrogen pump bearing seat 12 has a draft angle 10, wherein the draft angle 10 is the draft angle 10 of the blank when the hydrogen pump bearing seat 12 is cast, and the corresponding pressing surface of each pressing block 6 is provided with an inclined surface, the inclination of the inclined surface is matched with the draft angle 10, and in the embodiment, the inclined surfaces of the two pressing blocks 6 incline from top to bottom in the direction approaching to each other, so that the upward tilting when the pressing blocks 6 press the bearing seat 12 can be reduced.

The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims (6)

1. A processing frock for hydrogen pump bearing seat tang, its characterized in that, including upper plate and lower plate, upper plate and lower plate interval set up and connect through the stand, the upper plate symmetry is equipped with two installation cavities for place the bearing frame, two correspond between the installation cavity the upper plate level is equipped with the direction heavy groove, the direction slides in heavy groove and is equipped with two briquetting, two the briquetting is connected with a drive unit simultaneously, drive unit drives two the briquetting compresses tightly two bearing frames simultaneously.

2. The machining tool for the spigot of the bearing seat of the hydrogen pump according to claim 1, wherein the driving unit comprises a driving piece and a conical block, the driving piece is connected with the conical block, the conical block is respectively provided with inclined guide grooves near two side surfaces of the two pressing blocks, a conical space is formed between the inclined guide grooves of the two pressing blocks, the conical space gradually decreases from the upper surface of the upper base plate to the lower surface of the upper base plate, the conical block is simultaneously connected between the inclined guide grooves of the two pressing blocks, the conical block is positioned in the conical space, and the driving piece drives the conical block to slide in the two inclined guide grooves so as to drive the two pressing blocks to reciprocate in the guide sinking groove.

3. The tooling for machining the spigot of the bearing seat of the hydrogen pump according to claim 2, wherein the cross section of the inclined guide groove is in a shape of a Chinese character 'kou' with a notch at one side, the length of the notch is smaller than that of a symmetrical side of the notch, guide parts are correspondingly arranged on two symmetrical sides of the conical block, and the cross section of each guide part is matched with the cross section of the inclined guide groove.

4. A tooling for a spigot of a hydrogen pump bearing seat according to claim 2 or 3 wherein said driving member is a telescopic cylinder.

5. The tooling for machining the spigot of the bearing seat of the hydrogen pump according to claim 1, wherein a cover plate is arranged above the upper bottom plate corresponding to the guide sinking groove.

6. The tooling for the spigot of the hydrogen pump bearing seat according to claim 1, wherein the pressed surface of the hydrogen pump bearing seat has a draft angle, the pressing surface of each pressing block is an inclined surface, and the inclination of the inclined surface is matched with the draft angle.