CN216859658U - Leakage test tool for water channel cover of DCDC converter - Google Patents

Abstract

The utility model discloses a leakage test tool for a water channel cover of a DCDC converter, which comprises a workbench, a clamping mechanism, a pressing mechanism and a bearing platform, wherein the clamping mechanism comprises a guide assembly and a clamping assembly; the clamping device has the advantages that the clamping device can stably clamp workpieces on the bearing platform through the guide assemblies and the clamping assemblies arranged on two sides of the bearing platform, the movable plate can be driven to move downwards through the arranged pressing mechanism to be pressed, the sealing plate is driven to be attached to the workpieces to be sealed, the buffer piece arranged between the movable plate and the sealing plate can play a role in buffering, and the workpieces are prevented from being crushed by hard collision of a driver and the workpieces.

Description

Leakage test tool for water channel cover of DCDC converter

Technical Field

The utility model relates to the field of leakage testing tools, in particular to a leakage testing tool for a water channel cover of a DCDC converter.

Background

Automobiles have become a necessary choice for commuting as vehicles, and with the development of quality of life and technology of people, users have higher and higher requirements on the performance quality of automobiles. The continued operation of the engine during vehicle operation generates relatively high heat, especially after prolonged periods of high speed operation. Normally can adopt the water-cooling to cool down for the normal operating of guarantee vehicle, thereby through the water to in the water tank circulate with the heat transfer in the engine compartment to the rivers of circulation in, then carry out the heat exchange heat dissipation through the fin of automobile front end to the outside. Because the automobile engine compartment is provided with more electrical connection structures for realizing automatic electric control, strict waterproof is required. Therefore, the leakage requirement of the water channel is strict, and particularly, the water channel cover of the converter needs to be strictly waterproof and leakage-proof. In the process of processing and forming the water channel cover, air gaps and even micro cracks which cannot be detected by naked eyes can occur, and therefore, the water channel cover needs to be subjected to leakage test after production and forming.

The prior leakage testing device mostly adopts the technology disclosed in the similar application number 202022086364.X, which is named as a diesel engine valve leakage testing device application text, to test the leakage of a workpiece. The leakage testing device has a plurality of defects in the actual use process, for example, the leakage testing device is pressed by hard contact when being pressed by the cylinder, damages are caused to the workpiece with softer material, especially, the workpiece with thinner thickness such as a water channel cover is easy to crush, and the leakage testing device is not beneficial to later-stage installation and leakage prevention. Meanwhile, the fastening degree of the workpiece is low in the leakage test process, so that the workpiece is unstable and is easy to incline in the leakage test process.

Based on the problem, the application provides a leakage test tool for a DCDC converter water channel cover, which is used for improving the stability of a workpiece and reducing unnecessary damage in the leakage test process.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the leakage test tool for the water channel cover of the DCDC converter is stable in clamping of a leakage test workpiece, effectively reduces compression damage in the leakage test process, and is suitable for the water channel cover of the DCDC converter with the water channel cover which is soft in hardness and thin in thickness.

In order to solve the technical problem, the utility model is solved by the following technical scheme: a leakage test tool for a water channel cover of a DCDC converter comprises a workbench, wherein the upper end surface of the workbench is provided with a clamping mechanism, a pressing mechanism and a bearing table for mounting a workpiece, the clamping mechanism comprises a guide component and a clamping component which are respectively arranged at two sides of the bearing platform, the guide component and the clamping component are matched for clamping a workpiece, the pressing mechanism comprises a supporting frame and a pressing driver, the supporting frame is fixedly arranged on the upper end surface of the workbench, the pressing driver is fixed with the supporting frame, the telescopic shaft of the pressing driver is vertically arranged, a movable plate is fixed at the end part of the telescopic shaft, a sealing plate is arranged below the movable plate, a buffer piece is arranged between the movable plate and the sealing plate, the sealing plate can seal a cavity part of the workpiece and is also provided with an upper channel communicated with the outside.

Furthermore, the movable plate and the sealing plate are both horizontally arranged, the movable plate is vertically provided with a sliding rod, the sealing plate can vertically move along the sliding rod, and the lower end part of the sliding rod is also provided with a first anti-falling part; the advantage lies in that the setting through the slide bar that sets up can make the closing plate along the vertical slip of slide bar, for the closing plate provides an accurate slip direction, ensures the reliability that hold-down mechanism compressed tightly, and the closing plate slippage can effectively be avoided to the first anticreep piece that sets up simultaneously.

Furthermore, the movable plate is detachably provided with 4 sliding rods, the sealing plate is provided with sliding holes corresponding to the sliding rods in a one-to-one correspondence manner, and the sliding holes are uniformly distributed at four corners of the sealing plate; the advantage lies in can effectively ensure the gliding stability of closing plate through the even cooperation that sets up at the slide opening in closing plate four corners and slide bar, ensures the levelness of closing plate slip in-process promptly, improves the sealed reliability of later stage closing plate.

Furthermore, a plurality of auxiliary rods are arranged at the upper end of the sealing plate, auxiliary holes corresponding to the auxiliary rods one to one are formed in the movable plate, the auxiliary rods movably penetrate through the auxiliary holes, the buffer parts are buffer springs, and the buffer springs are sleeved on the outer sides of the auxiliary rods; the advantage lies in can playing buffer spring's spacing through the cooperation in the auxiliary rod that sets up and auxiliary hole, prevents that it from droing. Simultaneously can make buffer spring evenly distributed on the closing plate through the auxiliary rod of even setting, after the closing plate moves down and contacts the work piece, provide comparatively balanced pressure for the closing plate and make the closing plate seal and compress tightly the work piece.

Furthermore, 6 auxiliary rods are uniformly distributed at the upper end of the sealing plate, the upper ends of the auxiliary rods penetrate through the movable plate, and second anti-falling parts are arranged at the upper end parts of the auxiliary rods; the advantage lies in can avoid the auxiliary rod to follow the fly leaf slippage through setting up the auxiliary rod and the cooperation of second anticreep spare of wearing out the fly leaf, further improves the stability when the closing plate removes.

Furthermore, a plurality of support columns are arranged on the upper end face of the workbench, the support columns are positioned right below the sliding plate, and when the sealing plate is attached to the cavity part of the sealed workpiece, the upper ends of the support columns protrude out of the upper end face of the sealing plate; the advantage lies in can playing limiting displacement to the stroke that the fly leaf moved down through the support column that sets up, avoids the excessive lapse of fly leaf, thereby leads to the work piece crushing phenomenon that the closing plate brought too big effort to the work piece.

Furthermore, one end of the upper channel is arranged in the middle of the lower end face of the sealing plate, and the other end of the upper channel is arranged at the side edge part of the sealing plate; the advantage lies in that the one end through with the last passageway is seted up at the middle part and is made gaseous can follow the middle part entering when ventilating airtight test, can be better compress tightly through buffer spring, and the reaction force only has the buffer spring of side to compress tightly the closing plate that leads to compress tightly inefficacy when avoiding aerifing from the side.

Furthermore, the bearing platform is provided with a guide groove, the guide assembly comprises a guide seat, the guide seat is provided with a guide driver, a telescopic shaft of the guide driver is fixedly provided with a guide block, the guide block can be inserted into the guide groove, and the guide block protrudes out of the upper end surface of the bearing platform; the advantage lies in that the cooperation through the guide block that sets up and guide way can carry out preliminary leading just after the work piece is installed on the plummer, is convenient for subsequent clamp tightly.

Furthermore, the clamping assembly comprises a clamping seat, the clamping seat is provided with a clamping driver, a telescopic shaft of the clamping driver is provided with a clamping block, and the front end of the clamping block is provided with a soft rubber pad; the advantage lies in that the cooperation through the tight driver of clamp that sets up and the tight piece of clamp can realize pressing from both sides tightly to the work piece, can avoid the crushing to the work piece through the soft cushion that sets up, still can play the hole of seting up on the work piece through the soft cushion that sets up simultaneously and seal.

Furthermore, the bearing table is provided with a lower channel, one end of the lower channel is arranged in the middle of the upper end surface of the bearing table, and the other end of the lower channel is arranged at the side edge part of the bearing table; the test bench has the advantages that the lower channel arranged on the bearing table can be used for carrying out leakage test on the lower part of the workpiece, so that the double-side test of the workpiece is realized, and the test reliability is improved.

Compared with the prior art, the utility model has the following beneficial effects: the guide assemblies and the clamping assemblies arranged on the two sides of the bearing table can stably clamp and fix the workpiece on the bearing table; the pressing mechanism can drive the movable plate to move downwards to be pressed, so that the sealing plate is driven to be attached to and sealed with the workpiece, the buffer piece arranged between the movable plate and the sealing plate can play a role in buffering, hard collision between the driver and the workpiece is avoided, and the workpiece is prevented from being crushed. The upper channel can be used for air pressure detection by introducing air, so that whether the water channel cover of the DCDC converter leaks cracks or not is detected.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the installation of the buffer member of the present invention;

FIG. 3 is a schematic structural diagram of a movable plate according to the present invention;

FIG. 4 is a schematic view of the sealing plate of the present invention;

FIG. 5 is a view showing a state of use of the clamping mechanism of the present invention;

FIG. 6 is a schematic view of the mounting position of the clamping mechanism of the present invention;

FIG. 7 is a schematic view of a carrier stage according to the present invention;

fig. 8 is a schematic cross-sectional view of fig. 7 taken along the lower channel.

Detailed Description

The utility model is described in further detail below with reference to figures 1-8.

The following description is provided to disclose the utility model so that those skilled in the art can practice the utility model. The preferred embodiments described below are by way of example only, and other obvious variations will occur to those skilled in the art. The principles of the utility model, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the utility model.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or position relative to one another as illustrated in the figures, which is intended to simplify the description of the present disclosure, but does not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed, and operated in a particular orientation, and thus, the above-described terms are not to be construed as limiting the present disclosure.

The utility model provides a DCDC converter water channel lid leak test frock, includes workstation 1, and 1 up end of workstation is provided with fixture and the plummer 2 that is used for installing work piece 4, and plummer 2 is fixed to be set up at the up end of workstation 1, and foretell fixture is including setting up guide assembly 5 and the clamping component 6 in plummer 2 both sides respectively, and guide assembly 5 cooperatees with clamping component 6 and is used for pressing from both sides tight work piece 4. Specifically, the bearing table 2 is provided with a guide groove 2.1, and meanwhile, the upper end surface of the bearing table 2 is also provided with a positioning block 2.3; the guide assembly 5 comprises a guide seat 5.1, the guide seat 5.1 is fixed with the workbench 1, the guide seat 5.1 is provided with a guide driver 5.2, a telescopic shaft of the guide driver 5.2 is fixed with a guide block 5.3, the guide block 5.3 can be inserted into the guide groove 2.1, and the guide block 5.3 protrudes out of the upper end surface of the bearing platform 2. In order to improve the clamping stability of the workpiece 4 on the bearing table 2, auxiliary drivers 5.4 are arranged on the two sides of the guide driver 5.2 on the guide seat 5.1, soft rubber pads 7 are further arranged at the end parts of the telescopic shafts of the auxiliary drivers 5.4, and the parts, located on the two sides of the guide block 5.3, on the workpiece 4 can be compressed through the auxiliary drivers 5.4. The plummer 2 is provided with clamping unit 6 with the relative one side of guide assembly 5, clamping unit 6 is including pressing from both sides tight seat 6.1, presss from both sides tight seat 6.1 and is provided with and presss from both sides tight driver 6.2, the telescopic shaft that presss from both sides tight driver 6.2 is equipped with and presss from both sides tight piece 6.3, just press from both sides tight piece 6.3 with to guide block 5.3 corresponding, when the telescopic shaft that the guarantee pressed from both sides tight driver 6.2 compressed tightly, press from both sides tight piece 6.3 and can compress tightly the middle part of work piece 4, prevent the skew. Meanwhile, the front end of the clamping block 6.3 is also provided with a soft rubber pad 7, and the soft rubber pad 7 can be a rubber pad or a silica gel pad and the like.

A pressing mechanism 3 is further arranged on the workbench 1, the pressing mechanism 3 comprises a support frame 3.1 and a pressing driver 3.2, the support frame 3.1 is fixedly arranged on the upper end face of the workbench 1, the pressing driver 3.2 is fixed with the support frame 3.1, a telescopic shaft of the pressing driver 3.2 is vertically arranged, a movable plate 3.3 is fixed at the end part of the telescopic shaft, a sealing plate 3.4 is arranged below the movable plate 3.3, and the movable plate 3.3 and the sealing plate 3.4 are horizontally arranged; meanwhile, a buffer is arranged between the movable plate 3.3 and the sealing plate 3.4, and the buffer can be selected from a buffer spring 3.5 or made of other elastic materials. Above-mentioned closing plate 3.4 can seal the cavity portion 4.1 of work piece 4, and closing plate 3.4 still is provided with the last passageway 3.10 that is linked together with the external world, and accessible last passageway 3.10 aerifys or dashes the liquid and carry out the leakage detection when needing to carry out the leakage test to work piece 4.

In order to guarantee the reliability of downward compression of the compression driver 3.2, 4 sliding rods 3.6 are vertically detachably fixed on the movable plate 3.3, sliding holes corresponding to the sliding rods 3.6 in a one-to-one correspondence mode are formed in the sealing plate 3.4, the sliding holes are evenly distributed in four corners of the sealing plate 3.4, and meanwhile, in order to guarantee the reliability of sliding of the sealing plate 3.4, slipping is prevented, and a first anti-falling piece 3.7 is arranged at the lower end portion of the sliding rod 3.6. Can effectively ensure the gliding stability of closing plate 3.4 through the even cooperation that sets up slide opening in closing plate 3.4 four corners and slide bar 3.6, ensure the levelness of closing plate 3.4 slip in-process promptly, improve the sealed reliability of later stage closing plate 3.4.

In order to further ensure the reliability of buffering and pressing of the pressing mechanism 3 during working, 6 auxiliary rods 3.8 are uniformly distributed at the upper end of a sealing plate 3.4, auxiliary holes corresponding to the auxiliary rods 3.8 one by one are formed in a movable plate 3.3, the auxiliary rods 3.8 are movably arranged in the auxiliary holes in a penetrating manner, the upper ends of the auxiliary rods 3.8 penetrate through the movable plate 3.3, second anti-falling parts 3.9 are arranged at the upper end parts of the auxiliary rods 3.8, and a plurality of buffer springs 3.5 are respectively sleeved at the outer sides of the corresponding auxiliary rods 3.8; the auxiliary rod 3.8 and the auxiliary hole are matched to limit the buffer spring 3.5 and prevent the buffer spring from falling off. Simultaneously can make buffer spring 3.5 evenly distributed on closing plate 3.4 through the auxiliary rod 3.8 of even setting, after closing plate 3.4 moves down and contacts work piece 4, provide comparatively balanced pressure for closing plate 3.4 and make closing plate 3.4 seal and compress tightly work piece 4.

In order to ensure the safety of leakage testing of the workpiece 4, 4 support columns 8 are arranged on the upper end face of the workbench 1, the support columns 8 are located under the sliding plate, when the sealing plate 3.4 is attached to the cavity part 4.1 of the sealed workpiece 4, the upper end of each support column 8 protrudes out of the upper end face of the sealing plate 3.4 to abut against the movable plate 3.3, and the sealing plate 3.4 is pressed by the pressure of the buffer spring 3.5, so that the sealing plate 3.4 is attached to the workpiece 4. The support column 8 that sets up promptly can play limiting displacement to the stroke that the fly leaf 3.3 moved down, avoids the excessive lapse of fly leaf 3.3, thereby leads to the too big work piece 4 crush injury phenomenon that brings of closing plate 3.4 effort to work piece 4.

One end of an upper channel 3.10 arranged on the sealing plate 3.4 is arranged in the middle of the lower end face of the sealing plate 3.4, and the other end is arranged at the side edge part of the sealing plate 3.4; through set up the one end of last passageway 3.10 at the middle part make gas can follow the middle part entering when ventilating airtight test, compress tightly through buffer spring 3.5 that can be better, the reaction force only has the buffer spring 3.5 of side to compress tightly the closing plate 3.4 that leads to and compress tightly the inefficacy when avoiding aerifing from the side. Meanwhile, a lower channel 2.2 is also arranged on the bearing platform 2, one end of the lower channel 2.2 is arranged in the middle of the upper end face of the bearing platform 2, and the other end is arranged on the side edge part of the bearing platform 2; the lower channel 2.2 arranged on the bearing table 2 can test the leakage of the lower part of the workpiece 4, so that the double-sided test of the workpiece 4 is realized, and the test reliability is improved. In order to further ensure the reliability of the detection of the leakage testing tool, the lower end face of the sealing plate 3.4 and the upper end face of the bearing platform 2 are both provided with sealing strips 9 corresponding to the workpiece 4, namely the DCDC converter water channel cover.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are given by way of example only and are not limiting of the utility model. The objects of the utility model have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims (10)

1. The utility model provides a DCDC converter water channel lid leak test frock, includes workstation (1), its characterized in that, workstation (1) up end be provided with fixture, hold-down mechanism (3) and be used for installing plummer (2) of work piece (4), fixture include guide assembly (5) and clamping component (6) that set up respectively in plummer (2) both sides, guide assembly (5) and clamping component (6) cooperation be used for pressing from both sides tight work piece (4), hold-down mechanism (3) include support frame (3.1) and compress tightly driver (3.2), support frame (3.1) fixed the up end that sets up in workstation (1), compress tightly driver (3.2) and support frame (3.1) fixed mutually, the telescopic shaft of compressing tightly driver (3.2) sets up vertically, and the tip of telescopic shaft still is fixed with fly leaf (3.3), the sealing plate is characterized in that a sealing plate (3.4) is arranged below the movable plate (3.3), a buffer piece is arranged between the movable plate (3.3) and the sealing plate (3.4), the sealing plate (3.4) can seal a cavity part (4.1) of the workpiece (4), and an upper channel (3.10) communicated with the outside is further arranged on the sealing plate (3.4).

2. The leakage test tool for the water channel cover of the DCDC converter as claimed in claim 1, wherein the movable plate (3.3) and the sealing plate (3.4) are both horizontally arranged, the movable plate (3.3) is vertically provided with a sliding rod (3.6), the sealing plate (3.4) can vertically move along the sliding rod (3.6), and the lower end of the sliding rod (3.6) is further provided with a first anti-falling part (3.7).

3. The leakage test tool for the water channel cover of the DCDC converter as claimed in claim 2, wherein the movable plate (3.3) is detachably provided with 4 sliding rods (3.6), the sealing plate (3.4) is provided with sliding holes corresponding to the sliding rods (3.6) in a one-to-one correspondence manner, and the sliding holes are uniformly distributed at four corners of the sealing plate (3.4).

4. The leakage testing tool for the water channel cover of the DCDC converter as claimed in claim 1, wherein a plurality of auxiliary rods (3.8) are arranged at the upper end of the sealing plate (3.4), the movable plate (3.3) is provided with auxiliary holes corresponding to the auxiliary rods (3.8) one by one, the auxiliary rods (3.8) are movably arranged in the auxiliary holes in a penetrating manner, the buffer member is a buffer spring (3.5), and the buffer spring (3.5) is sleeved on the outer side of each auxiliary rod (3.8).

5. The leakage test tool for the water channel cover of the DCDC converter according to claim 4, wherein 6 auxiliary rods (3.8) are uniformly distributed at the upper end of the sealing plate (3.4), the upper ends of the auxiliary rods (3.8) penetrate through the movable plate (3.3), and second anti-falling parts (3.9) are arranged at the upper end parts of the auxiliary rods (3.8).

6. The leakage testing tool for the water channel cover of the DCDC converter as claimed in claim 1, wherein a plurality of support columns (8) are arranged on the upper end surface of the workbench (1), the support columns (8) are located right below the sliding plate, and when the sealing plate (3.4) is attached to the cavity portion (4.1) of the sealed workpiece (4), the upper ends of the support columns (8) protrude out of the upper end surface of the sealing plate (3.4).

7. The leakage test tool for the water channel cover of the DCDC converter as claimed in claim 1, wherein one end of the upper channel (3.10) is provided at the middle part of the lower end surface of the sealing plate (3.4), and the other end is provided at the side part of the sealing plate (3.4).

8. The DCDC converter water channel cover leakage test tool according to claim 1, characterized in that, plummer (2) be provided with guide way (2.1), guide subassembly (5) include guide holder (5.1), guide holder (5.1) be provided with direction driver (5.2), the telescopic shaft of direction driver (5.2) is fixed with guide block (5.3), guide block (5.3) can insert and establish in guide way (2.1), guide block (5.3) protrusion in the up end of plummer (2).

9. The leakage testing tool for the water channel cover of the DCDC converter is characterized in that the clamping assembly (6) comprises a clamping seat (6.1), the clamping seat (6.1) is provided with a clamping driver (6.2), a telescopic shaft of the clamping driver (6.2) is provided with a clamping block (6.3), and the front end of the clamping block (6.3) is provided with a soft rubber pad (7).

10. The DCDC converter water channel cover leakage test tool according to claim 1, characterized in that, the bearing platform (2) is provided with a lower channel (2.2), one end of the lower channel (2.2) is arranged in the middle of the upper end face of the bearing platform (2), and the other end is arranged at the side part of the bearing platform (2).

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