CN111571537A

CN111571537A - Embedment test fixture

Info

Publication number: CN111571537A
Application number: CN202010379769.4A
Authority: CN
Inventors: 韩金娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-08-25

Abstract

The invention relates to an encapsulation test fixture which comprises a welding underframe, a welding vertical frame, a square positioning block, a positioning stop pin, a T-shaped supporting block, a clamping bolt, a smooth surface pressing block, a positioning ball head and a conical surface support, wherein the welding underframe is provided with 4 adjustable supporting legs through 4 connecting plates, the welding vertical frame is formed by welding a bottom plate, three vertical pipes, 4 reinforcing transverse pipes and 9 positioning plates, the T-shaped supporting block is fixed on the upper plane of the welding underframe through a screw pin structure, the clamping bolt is arranged on the T-shaped supporting block through a threaded bottom hole of the clamping bolt, and the smooth surface pressing block is rotatably sleeved at the front end of the clamping bolt. 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:

an encapsulation test fixture comprises a welding underframe, a welding vertical frame, a square positioning block, a positioning stop pin, a T-shaped supporting block, a clamping bolt, a smooth surface pressing block, a positioning ball head and a conical surface support, wherein the welding underframe is formed by welding an aluminum profile and an aluminum plate, the upper plane of the welding underframe is a reference A, the planeness is required to be within 0.05, and the welding underframe is provided with four adjustable supporting legs through four connecting plates; the welding vertical frame is formed by welding a bottom plate, three vertical pipes, four reinforcing transverse pipes and nine positioning plates, the welding vertical frame is in a shape like a Chinese character 'tian', the front end face of the bottom plate of the welding vertical frame is a reference B, the flatness is controlled within 0.05, the nine positioning plates are uniformly distributed on the front side faces of the three vertical pipes, three positioning plates are respectively welded on each vertical pipe from top to bottom, the nine positioning plates are processed into a plane D, the plane is parallel to the reference B, a stop pin bottom hole and a positioning ball bottom hole are respectively processed on the upper left positioning plate and the lower left positioning plate, a positioning ball bottom hole is processed on the lower right positioning plate, and conical surface supporting threaded bottom holes are processed on the remaining six positioning plates; the positioning stop pins are two and are respectively arranged on the stop pin bottom holes in an interference fit manner, the three positioning ball heads are sleeved in the positioning ball head bottom holes in a clearance fit manner, the conical surface support is a rotary part, the front end of the conical surface support is a ball head conical surface, the rear end of the conical surface support is a thread, and the conical surface support is rotatably arranged on the conical surface support thread bottom holes through the thread; the T-shaped supporting blocks are inverted T-shaped and fixed on the upper plane of the welding underframe through screw pin structures, and the number of the T-shaped supporting blocks is three, and the T-shaped supporting blocks are respectively arranged on the front sides of the three vertical pipes of the welding vertical frame; four clamping bolt threaded bottom holes are formed in the T-shaped supporting block from top to bottom, the clamping bolts are mounted 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; the square positioning block is fixedly arranged on the upper plane of the welding underframe through a screw pin structure, the square positioning block is arranged between the welding vertical frame bottom plate and the T-shaped supporting block and is arranged on the outer sides of the vertical pipe of the welding vertical frame and the T-shaped supporting block, a reference surface C is arranged on the square positioning block, a fixed distance X is kept between the reference surface C and a connecting line of two positioning guide pins, and the distance tolerance requirement is within plus or minus 0.2; four lifting bolts are further arranged on the welding underframe.

As a further scheme of the invention: the processing technical scheme of the filling and sealing test fixture is that the welding chassis and the welding vertical frame are tempered after welding, the welding chassis is processed into an upper plane and a lower plane, and the flatness of the upper plane of the welding chassis is guaranteed to be within 0.05; meanwhile, the bottom surface and the front end surface of the welding vertical frame bottom plate are exposed and kept vertical; grinding the upper plane and the lower plane of the square positioning plate, and polishing one side surface serving as a reference C to ensure the perpendicularity with the upper plane and the lower plane; respectively and fixedly mounting the welding vertical frame and the square positioning plate on the upper plane of the welding underframe through a screw pin structure according to the space size requirement; and establishing a coordinate system by using the reference A, B, C, processing nine positioning plates on the welding stand, and the stop pin bottom holes, the positioning ball head bottom holes and the conical surface support thread bottom holes on the nine positioning plates, and ensuring that a fixed distance X is kept between a reference surface C and a connecting line of two positioning guide pins.

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 (axial view) of the present invention.

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

In the figure: 01-T-shaped supporting block, 03-square positioning block, 05-clamping bolt, 07-smooth pressing block, 09-lifting bolt, 11-clamping bolt threaded bottom hole, 13-positioning stop pin, 15-positioning ball head, 17-conical surface support, 19-adjustable supporting leg, 100-welding bottom frame, 200-welding vertical frame, 201-bottom plate, 203-vertical pipe, 205-reinforcing transverse pipe and 207-positioning plate.

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 5, a potting test fixture comprises a welding underframe 100, a welding vertical frame 200, a square positioning block 03, a positioning stop pin 13, a T-shaped supporting block 01, a clamping bolt 05, a smooth pressing block 07, a positioning ball head 15 and a conical surface support 17, wherein the welding underframe is formed by welding an aluminum profile and an aluminum plate, the welding underframe needs to ensure that an upper plane is a reference a and the planeness is within 0.05, the welding underframe is provided with 4 adjustable supporting legs 19 through 4 connecting plates, the adjustable supporting legs 19 are placed on the ground, and the level of the whole potting test fixture can be adjusted. The welding vertical frame is formed by welding a bottom plate 201, three

vertical pipes

203, 4 reinforcing transverse pipes 205 and 9 positioning plates 207, the welding vertical frame is in a shape like a Chinese character 'tian', the front end face of the bottom plate of the welding vertical frame is a reference B, the flatness is controlled within 0.05, the 9 positioning plates are uniformly distributed on the front side faces of the three vertical pipes, each vertical pipe is respectively welded with 3 positioning plates from top to bottom, the 9 positioning plates are processed into a plane D, the plane is parallel to the reference B, a stop pin bottom hole and a positioning ball bottom hole are respectively processed on an upper left positioning plate and a lower left positioning plate, a positioning ball bottom hole is processed on a lower right positioning plate, and conical surface supporting threaded bottom holes are processed on the remaining 6 positioning plates; the locating stop pin has 2, and interference fit installs respectively on the stop pin bottom hole, and is three locating ball head clearance fit suit is in the locating ball head bottom hole, the conical surface supports for gyration type part, and the front end is the bulb conical surface, the rear end is the screw thread, through the rotatable installation of screw thread on the conical surface supports the screw thread bottom hole. The T-shaped supporting blocks are inverted T-shaped and fixed on the upper plane of the welding underframe through screw pin structures, the number of the T-shaped supporting blocks is 3, the T-shaped supporting blocks are respectively arranged on the front sides of the three vertical pipes of the welding vertical frame, and the distance between the T-shaped supporting blocks is determined according to the width of a product. 4 clamping bolt threaded bottom holes 11 are formed in the T-shaped supporting block from top to bottom, the clamping bolts are mounted 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; the square positioning block is fixedly arranged on the upper plane of the welding underframe through a screw pin structure, the square positioning block is arranged between the welding vertical frame bottom plate and the T-shaped supporting block and is arranged on the outer sides of the vertical pipe of the welding vertical frame and the T-shaped supporting block, a reference surface C is arranged on the square positioning block, a fixed distance X is kept between the reference surface C and a connecting line of two positioning guide pins, and the distance tolerance requirement is within plus or minus 0.2; the welding underframe is also provided with 4 lifting bolts 09.

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 1, an aluminum box body is placed on the upper plane of a welding underframe and leans against a square surface formed by a reference B and a reference C on a square positioning block 03, a co-bonded composite material structural member is nested into the aluminum box body, one side edge of the co-bonded composite material structural member is positioned by two positioning stop pins 13, the co-bonded composite material structural member leans against a surface formed by three positioning bulbs 15, conical surface supports 17 on each positioning plate on a welding vertical frame 200 are adjusted to support the co-bonded composite material structural member, the co-bonded composite material structural member is fixed through clamping bolts 05 and smooth surface pressing blocks 07, a potting material can be developed, a potting material is poured into the aluminum composite body, and the potting material is conveyed into a drying room to be cured, so that the manufacturing of a potting test piece can be completed. The encapsulation test piece can be used for testing the mechanical property of a specific combined structure and carrying out related experiments.

The processing technical scheme of the filling and sealing test fixture is that the welding chassis and the welding vertical frame are tempered after welding, the welding chassis is processed into an upper plane and a lower plane, and the flatness of the upper plane of the welding chassis is guaranteed to be within 0.05; meanwhile, the bottom surface and the front end surface of the welding vertical frame bottom plate are exposed and kept vertical; grinding the upper plane and the lower plane of the square positioning plate, and polishing one side surface serving as a reference C to ensure the perpendicularity with the upper plane and the lower plane; respectively and fixedly mounting the welding vertical frame and the square positioning plate on the upper plane of the welding underframe through a screw pin structure according to the space size requirement; and establishing a coordinate system by using a reference A, B, C, processing 9 positioning plates on the welding stand, and the stop pin bottom hole, the positioning ball head bottom hole and the conical surface support thread bottom hole on the 9 positioning plates, and ensuring that a fixed distance X is kept between a reference surface C and a connecting line of two positioning guide pins. The technical scheme is the core technical scheme and the control requirement of the encapsulating test fixture, but is not the only technical scheme for realizing. By adopting the technical scheme, the processing precision of the filling and sealing test fixture can be effectively 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 underframe, a welding vertical frame, a square positioning block, a positioning stop pin, a T-shaped supporting block, a clamping bolt, a smooth surface pressing block, a positioning ball head and a conical surface support, wherein the welding underframe is formed by welding an aluminum profile and an aluminum plate, the upper plane of the welding underframe is a reference A, the flatness is required to be within 0.05, and the welding underframe is provided with four adjustable supporting legs through four connecting plates; the welding vertical frame is formed by welding a bottom plate, three vertical pipes, four reinforcing transverse pipes and nine positioning plates, the welding vertical frame is in a shape like a Chinese character 'tian', the front end face of the bottom plate of the welding vertical frame is a reference B, the flatness is controlled within 0.05, the nine positioning plates are uniformly distributed on the front side faces of the three vertical pipes, three positioning plates are respectively welded on each vertical pipe from top to bottom, the nine positioning plates are processed into a plane D, the plane is parallel to the reference B, a stop pin bottom hole and a positioning ball bottom hole are respectively processed on the upper left positioning plate and the lower left positioning plate, a positioning ball bottom hole is processed on the lower right positioning plate, and conical surface supporting threaded bottom holes are processed on the remaining six positioning plates; the positioning stop pins are two and are respectively arranged on the stop pin bottom holes in an interference fit manner, the three positioning ball heads are sleeved in the positioning ball head bottom holes in a clearance fit manner, the conical surface support is a rotary part, the front end of the conical surface support is a ball head conical surface, the rear end of the conical surface support is a thread, and the conical surface support is rotatably arranged on the conical surface support thread bottom holes through the thread; the T-shaped supporting blocks are inverted T-shaped and fixed on the upper plane of the welding underframe through screw pin structures, and the number of the T-shaped supporting blocks is three, and the T-shaped supporting blocks are respectively arranged on the front sides of the three vertical pipes of the welding vertical frame; four clamping bolt threaded bottom holes are formed in the T-shaped supporting block from top to bottom, the clamping bolts are mounted 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; the square positioning block is fixedly arranged on the upper plane of the welding underframe through a screw pin structure, the square positioning block is arranged between the welding vertical frame bottom plate and the T-shaped supporting block and is arranged on the outer sides of the vertical pipe of the welding vertical frame and the T-shaped supporting block, a reference surface C is arranged on the square positioning block, a fixed distance X is kept between the reference surface C and a connecting line of two positioning guide pins, and the distance tolerance requirement is within plus or minus 0.2; four lifting bolts are further arranged on the welding underframe.

2. The potting test fixture of claim 1, wherein: the processing technical scheme of the filling and sealing test fixture is that the welding chassis and the welding vertical frame are tempered after welding, the welding chassis is processed into an upper plane and a lower plane, and the flatness of the upper plane of the welding chassis is guaranteed to be within 0.05; meanwhile, the bottom surface and the front end surface of the welding vertical frame bottom plate are exposed and kept vertical; grinding the upper plane and the lower plane of the square positioning plate, and polishing one side surface serving as a reference C to ensure the perpendicularity with the upper plane and the lower plane; respectively and fixedly mounting the welding vertical frame and the square positioning plate on the upper plane of the welding underframe through a screw pin structure according to the space size requirement; and establishing a coordinate system by using the reference A, B, C, processing nine positioning plates on the welding stand, and the stop pin bottom holes, the positioning ball head bottom holes and the conical surface support thread bottom holes on the nine positioning plates, and ensuring that a fixed distance X is kept between a reference surface C and a connecting line of two positioning guide pins.