CN111595667A

CN111595667A - Embedment test fixture

Info

Publication number: CN111595667A
Application number: CN202010379864.4A
Authority: CN
Inventors: 韩金娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-08-28

Abstract

The utility model provides an embedment test fixture, comprises welding chassis, T type supporting shoe, L type locating piece, first location backing pin, second location backing pin, clamping bolt, plain noodles briquetting, be provided with installation bottom surface, first locating surface, second locating surface, third locating surface on the L type locating piece, first locating surface, second locating surface, third locating surface with the installation bottom surface is perpendicular, keep apart from X between the axis of second location backing pin and the axis of first location backing pin, top-down is provided with three clamping bolt screw bottom hole on the T type supporting shoe, clamping bolt passes through clamping bolt screw bottom hole installs on the T type supporting shoe, the rotatable cover in clamping bolt front end has the plain noodles briquetting. The invention provides a filling and sealing test fixture which is simple in structure, convenient and fast to clamp and accurate in positioning, is used for filling and sealing between a co-bonded composite material structural member and an aluminum box, and can greatly improve the filling and sealing work efficiency and filling and sealing quality.

Description

Embedment test fixture

Technical Field

The invention relates to a filling and sealing test fixture, in particular to a test fixture for filling and sealing metal parts and composite parts.

Background

In recent years, composite materials, carbon fibers, have been widely used in various fields, including many household fields, on the premise that the composite materials are light in weight, strong enough in strength under the same mass, more and more stable in molding process, and more reliable in edge processing method. In the later stage, the composite material is used as a basic structure material and may be widely popularized. On the basis of composite materials, the potting adhesive materials of the composite materials and various light high-strength metals are also widely researched, for example, the potting adhesive materials of the composite materials and magnesium alloy, aluminum alloy, titanium alloy and the like are subjected to potting adhesive bonding.

In the process of filling, sealing and bonding the composite material and the traditional metal material, the overall mechanical property of the filled and sealed material needs to pass more professional mechanical property analysis and test and be applied in special occasions, and the market popularization value is gradually shown in the future. Therefore, the invention focuses on the research of the potting and bonding of the composite material and the metal material, and particularly designs a part of clamps specially used for the potting of the test piece to finish the manufacturing tasks of various test pieces.

Disclosure of Invention

The invention aims to provide a potting test fixture and a processing technical scheme of the potting test fixture so as to meet the requirements of manufacturing a potting test piece made of composite materials and metal materials.

In order to achieve the purpose, the invention provides the following technical scheme:

a filling and sealing test fixture comprises a welding chassis, T-shaped supporting blocks, L-shaped positioning blocks, first positioning stop pins, second positioning stop pins, clamping bolts and smooth surface pressing blocks, wherein the welding chassis is formed by welding an upper plane flat plate, an aluminum square tube and a base connecting plate into a square frame shape, two planes formed by the upper plane flat plate and the base connecting plate are provided with guaranteed parallelism, eight adjustable supporting angles are arranged on the base connecting plate of the welding chassis, and lifting eye bolts are arranged at four corners of the upper plane flat plate; the upper plane flat plate of the welding underframe is provided with eighteen groups of L-shaped positioning block pin bottom holes, bolt bottom holes and first positioning stop pin bottom holes according to space position requirements and numerical control programs, each group is provided with two pin bottom holes, two bolt bottom holes and one positioning stop pin bottom hole, and the corresponding size requirements are ensured among the two pin bottom holes, the two bolt bottom holes and the one positioning stop pin bottom hole, and the total number of thirty-six pin bottom holes, thirty-six bolt bottom holes and eighteen first positioning stop pin bottom holes is thirty-six; the L-shaped positioning block is provided with an installation bottom surface, a first positioning surface, a second positioning surface and a third positioning surface, the first positioning surface and the third positioning surface are the same plane, the second positioning surface is parallel to the first positioning surface and the third positioning surface, a height difference exists between the second positioning surface and the first positioning surface and the third positioning surface, the height difference is determined by a product to be positioned, the first positioning surface, the second positioning surface and the third positioning surface are perpendicular to the installation bottom surface, meanwhile, a second positioning stop pin bottom hole penetrates through the second positioning surface, and a second pin bottom hole and a bolt through hole are formed in the installation bottom plate; eighteen L-shaped positioning blocks are fixedly connected to an upper plane flat plate of the welding chassis through screw pins; the second positioning stop pin is arranged on a second positioning stop pin bottom hole on the second positioning surface of the L-shaped positioning block in an interference fit manner, a bushing is arranged on a first positioning stop pin bottom hole of the upper plane flat plate in an interference fit manner, the first positioning stop pin can be sleeved in the bushing in a clearance manner, and a distance X is kept between the axis of the second positioning stop pin and the axis of the first positioning stop pin; the T-shaped supporting blocks are inverted T-shaped, are fixed on an upper plane flat plate of the welding underframe through screw pin structures, are eighteen in total and are respectively and correspondingly arranged on the outer sides of the L-shaped positioning blocks; the T-shaped supporting block is provided with three clamping bolt threaded bottom holes from top to bottom, the clamping bolts are installed on the T-shaped supporting block through the clamping bolt threaded bottom holes, and smooth surface pressing blocks are rotatably sleeved at the front ends of the clamping bolts.

As a further scheme of the invention: the processing technical scheme of the encapsulating test fixture is that the welding chassis is tempered after being welded, and stress is removed; the upper plane flat plate and the base connecting plate are respectively processed in a numerical control mode to be smooth, the parallelism degree is guaranteed to be 0.1, and meanwhile the flatness degree of the upper plane flat plate is guaranteed to be 0.1; thirty-six pin bottom holes, thirty-six bolt bottom holes and eighteen first positioning stop pin bottom holes are processed according to a numerical control program, so that the position degree is ensured; meanwhile, the L-shaped positioning block is processed by numerical control, the parallelism of the first positioning surface, the third positioning surface and the second positioning surface is ensured to be within 0.05, the verticality of the first positioning surface, the second positioning surface, the third positioning surface and the mounting bottom surface is ensured to be within 0.05, and the position degrees of a second positioning stop pin bottom hole, a second pin bottom hole and a bolt through hole on the L-shaped positioning block are ensured; the L-shaped positioning block is positioned and directly arranged on the upper plane flat plate through a pin; and simultaneously, trial-manufacturing a test block with a standard thickness X, and testing the distance X between the axis of the second positioning stop pin and the axis of the first positioning stop pin.

Compared with the prior art, the invention has the beneficial effects that: a composite material and metal material filling and sealing glue joint test belongs to a new process and new method exploration stage, and the designed filling and sealing test fixture can greatly improve the positioning precision and filling and sealing test efficiency of filling and sealing test piece manufacturing and improve the quality stability of the filling and sealing test piece.

Drawings

Fig. 1 is a schematic structural view of a potting test fixture (with a potting product) of the present invention.

Fig. 2 is a schematic structural view of a potting test fixture (front view) of the present invention.

Fig. 3 is a schematic structural view (in plan view) of the potting test fixture of the present invention.

Fig. 4 is a schematic structural view of the potting test jig (side view) of the present invention.

Fig. 5 is a partial structural schematic diagram of the potting test fixture of the present invention.

Fig. 6 is a schematic structural view of an L-shaped positioning block (front view) of the potting test fixture of the present invention.

Fig. 7 is a schematic structural view of an L-shaped positioning block (side view) of the potting test fixture of the present invention.

In the figure: 001-L-shaped positioning block, 003-T-shaped supporting block, 005-second positioning stop pin bottom hole, 006-first positioning face, 007-third positioning face, 008-second positioning face, 009-first positioning stop pin, 011-bushing, 012-second positioning stop pin, 013-clamping bolt, 015-smooth face pressing block, 017-base connecting plate, 019-adjustable supporting angle, 021-lifting bolt and 100-welding bottom frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 1 to 7, a potting test fixture comprises a welding underframe 100, a T-shaped supporting block 003, an L-shaped positioning block 001, a first positioning stop pin 009, a second positioning stop pin 012, a clamping bolt 013 and a smooth surface pressing block 015, wherein the welding underframe is formed by welding an upper plane flat plate, an aluminum square tube and a base connecting plate into a square frame shape, two planes formed by the upper plane flat plate and the base connecting plate are provided with guaranteed parallelism, eight adjustable supporting angles 019 are installed on the base connecting plate 017 of the welding underframe, and lifting eye bolts 021 are installed at four corners of the upper plane flat plate; the upper plane flat plate of the welding underframe is provided with eighteen groups of L-shaped positioning block pin bottom holes, bolt bottom holes and first positioning stop pin bottom holes according to space position requirements and numerical control programs, each group is provided with two pin bottom holes, two bolt bottom holes and one positioning stop pin bottom hole, and the corresponding size requirements are ensured among the two pin bottom holes, the two bolt bottom holes and the one positioning stop pin bottom hole, and the total number of thirty-six pin bottom holes, thirty-six bolt bottom holes and eighteen first positioning stop pin bottom holes is thirty-six; the L-shaped positioning block is provided with an installation bottom surface, a first positioning surface 006, a second positioning surface 008 and a third positioning surface 007, the first positioning surface and the third positioning surface are in the same plane, the second positioning surface is parallel to the first positioning surface and the third positioning surface, a height difference exists between the second positioning surface and the first positioning surface and between the second positioning surface and the third positioning surface, the height difference is determined by a product to be positioned, the first positioning surface, the second positioning surface and the third positioning surface are perpendicular to the installation bottom surface, meanwhile, a second positioning stop pin bottom hole 005 penetrates through the second positioning surface, and a second pin bottom hole and a bolt through hole are formed in the installation bottom plate; eighteen L-shaped positioning blocks are fixedly connected to an upper plane flat plate of the welding chassis through screw pins; the second positioning stop pin is arranged on a second positioning stop pin bottom hole on the second positioning surface of the L-shaped positioning block in an interference fit mode, a bushing 011 is arranged on a first positioning stop pin bottom hole of the upper plane flat plate in an interference fit mode, the first positioning stop pin can be sleeved in the bushing in a clearance mode, and a distance X is kept between the axis of the second positioning stop pin and the axis of the first positioning stop pin; the T-shaped supporting blocks are inverted T-shaped, are fixed on an upper plane flat plate of the welding underframe through screw pin structures, are eighteen in total and are respectively and correspondingly arranged on the outer sides of the L-shaped positioning blocks; the T-shaped supporting block is provided with three clamping bolt threaded bottom holes from top to bottom, the clamping bolts are installed on the T-shaped supporting block through the clamping bolt threaded bottom holes, and smooth surface pressing blocks are rotatably sleeved at the front ends of the clamping bolts.

A filling and sealing test fixture is mainly used for filling and sealing tasks between a co-bonded composite material structural member and an aluminum box. As shown in the attached drawing 5, the aluminum box body is placed on the upper plane flat plate and leans against the third positioning surface 007 of the L-shaped positioning block and the first positioning stop pin 011, the co-bonded composite material structural member is nested into the aluminum box body, and the co-bonded composite material structural member is positioned by the second positioning surface 008 of the L-shaped positioning block and the second positioning stop pin, is fixed through the clamping bolt and the smooth pressing block, so that the first side potting work can be started, the potting material is cast into the aluminum box body, and the sealing and fastening are realized. The method comprises the steps of detaching a structural part subjected to material encapsulation on one side, placing a second aluminum box body on an upper plane flat plate, leaning against a third positioning surface 007 and a first positioning stop pin 011 of an L-shaped positioning block, embedding the structural part subjected to single-side encapsulation into the second aluminum box body integrally, positioning the second positioning surface 008 and the second positioning stop pin of the L-shaped positioning block, fixing a co-adhesive composite material structural part through a clamping bolt and a smooth surface pressing block, casting an encapsulating material into the second aluminum alloy box body, compacting and fastening, and conveying the encapsulating material into a drying room for curing. The encapsulating test fixture can complete 18 sets of encapsulating materials of the co-bonded composite structural member and the aluminum box body at one time, and can work simultaneously, so that the work encapsulating efficiency is greatly improved.

The processing technical scheme of the encapsulating test fixture is that the welding chassis is tempered after being welded, and stress is removed; the upper plane flat plate and the base connecting plate are respectively processed in a numerical control mode to be smooth, the parallelism degree is guaranteed to be 0.1, and meanwhile the flatness degree of the upper plane flat plate is guaranteed to be 0.1; thirty-six pin bottom holes, thirty-six bolt bottom holes and eighteen first positioning stop pin bottom holes are processed according to a numerical control program, so that the position degree is ensured; meanwhile, the L-shaped positioning block is processed by numerical control, the parallelism of the first positioning surface, the third positioning surface and the second positioning surface is ensured to be within 0.05, the verticality of the first positioning surface, the second positioning surface, the third positioning surface and the mounting bottom surface is ensured to be within 0.05, and the position degrees of a second positioning stop pin bottom hole, a second pin bottom hole and a bolt through hole on the L-shaped positioning block are ensured; the L-shaped positioning block is positioned and directly arranged on the upper plane flat plate through a pin; and simultaneously, trial-manufacturing a test block with a standard thickness X, and testing the distance X between the axis of the second positioning stop pin and the axis of the first positioning stop pin. If the standard thickness check block detects that the distance X deviates, the position of the L-shaped positioning block can be adjusted, the pin hole is matched again, and the distance X between the axis of the second positioning stop pin and the axis of the first positioning stop pin is ensured.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An encapsulation test fixture is characterized by comprising a welding chassis, a T-shaped supporting block, an L-shaped positioning block, a first positioning stop pin, a second positioning stop pin, a clamping bolt and a smooth surface pressing block, wherein the welding chassis is formed by welding an upper plane flat plate, an aluminum square tube and a base connecting plate into a square frame shape, two planes formed by the upper plane flat plate and the base connecting plate are provided with guaranteed parallelism, eight adjustable supporting angles are arranged on the base connecting plate of the welding chassis, and lifting bolts are arranged at four corners of the upper plane flat plate; the upper plane flat plate of the welding underframe is provided with eighteen groups of L-shaped positioning block pin bottom holes, bolt bottom holes and first positioning stop pin bottom holes according to space position requirements and numerical control programs, each group is provided with two pin bottom holes, two bolt bottom holes and one positioning stop pin bottom hole, and the corresponding size requirements are ensured among the two pin bottom holes, the two bolt bottom holes and the one positioning stop pin bottom hole, and the total number of thirty-six pin bottom holes, thirty-six bolt bottom holes and eighteen first positioning stop pin bottom holes is thirty-six; the L-shaped positioning block is provided with an installation bottom surface, a first positioning surface, a second positioning surface and a third positioning surface, the first positioning surface and the third positioning surface are the same plane, the second positioning surface is parallel to the first positioning surface and the third positioning surface, a height difference exists between the second positioning surface and the first positioning surface and the third positioning surface, the height difference is determined by a product to be positioned, the first positioning surface, the second positioning surface and the third positioning surface are perpendicular to the installation bottom surface, meanwhile, a second positioning stop pin bottom hole penetrates through the second positioning surface, and a second pin bottom hole and a bolt through hole are formed in the installation bottom plate; eighteen L-shaped positioning blocks are fixedly connected to an upper plane flat plate of the welding chassis through screw pins; the second positioning stop pin is arranged on a second positioning stop pin bottom hole on the second positioning surface of the L-shaped positioning block in an interference fit manner, a bushing is arranged on a first positioning stop pin bottom hole of the upper plane flat plate in an interference fit manner, the first positioning stop pin can be sleeved in the bushing in a clearance manner, and a distance X is kept between the axis of the second positioning stop pin and the axis of the first positioning stop pin; the T-shaped supporting blocks are inverted T-shaped, are fixed on an upper plane flat plate of the welding underframe through screw pin structures, are eighteen in total and are respectively and correspondingly arranged on the outer sides of the L-shaped positioning blocks; the T-shaped supporting block is provided with three clamping bolt threaded bottom holes from top to bottom, the clamping bolts are installed on the T-shaped supporting block through the clamping bolt threaded bottom holes, and smooth surface pressing blocks are rotatably sleeved at the front ends of the clamping bolts.

2. The potting test fixture of claim 1, wherein: the processing technical scheme of the encapsulating test fixture is that the welding chassis is tempered after being welded, and stress is removed; the upper plane flat plate and the base connecting plate are respectively processed in a numerical control mode to be smooth, the parallelism degree is guaranteed to be 0.1, and meanwhile the flatness degree of the upper plane flat plate is guaranteed to be 0.1; thirty-six pin bottom holes, thirty-six bolt bottom holes and eighteen first positioning stop pin bottom holes are processed according to a numerical control program, so that the position degree is ensured; meanwhile, the L-shaped positioning block is processed by numerical control, the parallelism of the first positioning surface, the third positioning surface and the second positioning surface is ensured to be within 0.05, the verticality of the first positioning surface, the second positioning surface, the third positioning surface and the mounting bottom surface is ensured to be within 0.05, and the position degrees of a second positioning stop pin bottom hole, a second pin bottom hole and a bolt through hole on the L-shaped positioning block are ensured; the L-shaped positioning block is positioned and directly arranged on the upper plane flat plate through a pin; and simultaneously, trial-manufacturing a test block with a standard thickness X, and testing the distance X between the axis of the second positioning stop pin and the axis of the first positioning stop pin.