CN114233732B - Adhesive type composite material connecting piece and method for connecting composite plates by using same - Google Patents
Adhesive type composite material connecting piece and method for connecting composite plates by using same Download PDFInfo
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- CN114233732B CN114233732B CN202111560982.6A CN202111560982A CN114233732B CN 114233732 B CN114233732 B CN 114233732B CN 202111560982 A CN202111560982 A CN 202111560982A CN 114233732 B CN114233732 B CN 114233732B
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- 239000002131 composite material Substances 0.000 title claims abstract description 129
- 239000000853 adhesive Substances 0.000 title claims abstract description 98
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 97
- 238000000034 method Methods 0.000 title claims abstract description 24
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000003292 glue Substances 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 15
- 229910052755 nonmetal Inorganic materials 0.000 claims description 6
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 description 17
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 17
- 238000001514 detection method Methods 0.000 description 4
- 230000008093 supporting effect Effects 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000012669 compression test Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Abstract
An adhesive composite material connecting piece and a method for connecting composite boards by using the same relate to a material connecting piece, in particular to an adhesive composite board connecting piece. The invention aims to solve the problem that the limit load of the connecting part of the existing adhesive connecting mode is smaller. An adhesive type composite material connecting piece comprises a main body, a plurality of side ribs and embedded blocks; one end of the embedded block is connected with one end of the main body, the other end of the embedded block and the other end of the main body extend towards the direction away from each other, and a plurality of side ribs are arranged on the main body at intervals around the main body; the rib on one side comprises a connecting rod, an adhesive rod and a rib rod. The method comprises the following steps: and (3) respectively forming a semicircular groove at the pre-connection position of the two composite boards, connecting the embedded part with the semicircular groove, aligning the pre-connection position of the two composite boards, embedding the embedded block, filling a gap with blue gel and acrylic acid AB gel, and curing to obtain the connected composite board. The invention is mainly used for adhesive connection of composite materials.
Description
Technical Field
The invention relates to a material connecting piece, in particular to an adhesive type composite board connecting piece.
Background
The joining methods of composite materials are broadly divided into two types: mechanical connection and adhesive connection. The mechanical connection mode is carried out by means of the holes and the fasteners, but the mechanical connection mode is adopted to easily cause the situation that the structures of the fasteners are collapsed, so that the connection fastening position is easy to fail; the adhesive connection mode is a method for connecting two parts by adopting the resultant force generated on an adhesive surface by colloid such as structural adhesive, the requirement of the adhesive on the material property is very low, the difficult problem of connecting different materials by adopting the traditional mechanical connection mode can be avoided, because the adhesive connection mode does not need to drill holes and other operations on the two parts, the number of fasteners required by a connection structure is greatly reduced, the weight of the connection structure can be further reduced, the adhesive connection mode is simple in operation of the connection process, basically no other auxiliary equipment is required, the conditions such as high temperature and high pressure are not required during connection, but the limit load born by the adhesive is smaller.
Disclosure of Invention
The invention aims to solve the problem that the limit load at the joint of the existing adhesive connection mode is smaller, and provides an adhesive type composite material connecting piece and a method for connecting composite plates by using the same.
An adhesive type composite material connecting piece comprises a main body, a plurality of side ribs and embedded blocks; one end of the embedded block is connected with one end of the main body, the other end of the embedded block and the other end of the main body extend towards the direction away from each other, and a plurality of side ribs are arranged on the main body at intervals around the main body; one of the side ribs comprises a connecting rod, an adhesive rod and a rib rod; one end of the connecting rod is vertically connected with one end of the adhesive rod, the other end of the connecting rod and the other end of the adhesive rod extend towards the direction away from the joint of the connecting rod and the adhesive rod, one end of the rib rod is connected with the connecting rod, and the other end of the rib rod is connected with the adhesive rod; the side wall of the connecting rod, which is away from the direction of the adhesive rod, is connected with the side wall of the main body in a mode that the adhesive rod is perpendicular to the main body, and the side surface of the adhesive rod, which is away from the direction of the connecting rod, is in the same plane with the side surface of the main body, which is towards the direction of the embedded block.
The method for connecting the composite boards by using the adhesive type composite material connecting piece is specifically completed by the following steps:
the method comprises the steps of respectively forming a semicircular groove at the pre-connection position of two composite plates according to the sizes of two embedded parts, respectively connecting the outer surfaces of the two embedded parts with the semicircular grooves at the pre-connection position of the two composite plates, aligning the two composite plates to enable the two embedded parts to form an annular pre-buried groove, enabling other pre-connection positions of the two composite plates to be in surface contact, embedding the embedded blocks of the adhesive type composite material connecting piece into the annular pre-buried groove, filling gaps at the contact position of the two composite plates and the contact position of the adhesive type composite material connecting piece and the two composite plates with blue gel, bonding the outer surfaces of the two embedded blocks with the inner surfaces of the embedded parts with acrylic acid AB gel, and completing connection between the two composite plates after the blue gel and the acrylic acid AB gel are solidified to obtain the connected composite plates.
The invention has the advantages and principles that:
1. the adhesive type composite material connecting piece comprises the embedded block and the adhesive rod, and the contact area of the bonding gap at the pre-connection position of the two composite plates can be increased through the embedded block and the adhesive rod, so that the limit load of the bonding gap is further improved;
2. the adhesive type composite material connecting piece comprises the rib rod, the rib rod can provide a great supporting effect for the bonding gap, and the bonding gap basically cannot be broken or invalid before the rib rod is deformed and broken, so that the limit load of the bonding gap can be greatly improved, and even the limit load intensity at the bonding gap can exceed the limit load intensity of the composite board parent metal.
3. The invention adopts blue glue to fill the gap between the contact position of two composite boards and the contact position of the adhesive composite material connecting piece and the two composite boards, and adopts acrylic acid AB glue to bond the outer surfaces of the two embedded blocks and the inner surface of the embedded piece, so the invention still belongs to an adhesive connection mode, has simple process operation and is beneficial to application and popularization.
Drawings
Fig. 1 is a schematic structural view of an adhesive composite connector according to the present invention.
Fig. 2 is a top view of an adhesive composite connector of the present invention.
Fig. 3 is a bottom view of an adhesive composite connector of the present invention.
Fig. 4 is a schematic structural view of the joined composite boards in example 1.
Fig. 5 is an exploded view of the structure of fig. 4.
In the attached drawings, a 1-main body, a 2-side rib, a 21-connecting rod, a 22-adhesive rod, a 23-rib rod, a 3-embedded block, a 4-lightening hole, a 5-composite board, a 6-blue adhesive or acrylic acid AB adhesive and a 7-embedded part are arranged.
Detailed Description
The first embodiment is as follows: the embodiment is an adhesive type composite material connecting piece, which comprises a main body 1, a plurality of side ribs 2 and embedded blocks 3; one end of the embedded block 3 is connected with one end of the main body 1, the other end of the embedded block 3 and the other end of the main body 1 extend towards the direction away from each other, and a plurality of side ribs 2 are arranged on the main body 1 at intervals around the main body 1; one of the side ribs 2 includes a connecting rod 21, an adhesive rod 22 and a rib rod 23; one end of the connecting rod 21 is vertically connected with one end of the adhesive rod 22, the other end of the connecting rod 21 and the other end of the adhesive rod 22 extend towards the direction away from the connection position of the connecting rod 21 and the adhesive rod 22, one end of the rib rod 23 is connected with the connecting rod 21, and the other end of the rib rod 23 is connected with the adhesive rod 22; the side wall of the connecting rod 21, which is away from the direction of the adhesive rod 22, is connected with the side wall of the main body 1 in a manner that the adhesive rod 22 is perpendicular to the main body 1, and the side surface of the adhesive rod 22, which is away from the direction of the connecting rod 21, is in the same plane with the side surface of the main body 1, which is towards the direction of the embedded block 3.
The second embodiment is as follows: the present embodiment differs from the first embodiment in that: the main body 1 is provided with a lightening hole 4, and the lightening hole 4 penetrates through the main body 1 and the embedded block 3 along the direction of the main body 1. The other is the same as in the first embodiment.
In the present embodiment, the weight reducing hole 4 is provided, and the diameter of the weight reducing hole 4 is R, and the outer diameter of the body 1 is R, 2<R/R <3. While weight reduction can be achieved, it is ensured that the adhesive composite connection retains sufficient load strength.
And a third specific embodiment: this embodiment differs from the first or second embodiment in that: the main body 1 and the embedded block 3 are cylindrical, the axes of the main body 1 and the embedded block 3 are coincident, and the outer diameter of the main body 1 is larger than the outer diameter of the embedded block 3; and the roughness Ra of the outer surface of the embedded block 3 is 12-14. The other embodiments are the same as those of the first or second embodiment.
The external diameter of main part 1 is greater than the external diameter of pre-buried piece 3, makes main part 1 face to pre-buried piece 3 the side can exist the face contact with the composite board of pre-connection, further increases bonding area of contact, and main part 1 and the composite board contact department of pre-connection can be based on bonding gap certain supporting strength, and then improves the limit load of the connection gap of the composite board of pre-connection.
The outer surface of the embedded block 3 is roughened, so that the roughness Ra of the outer surface of the embedded block 3 is 12-14, the bonding area is increased, and the connection strength is improved.
The specific embodiment IV is as follows: one difference between this embodiment and the first to third embodiments is that: four side ribs 2 are arranged, and the four side ribs 2 are uniformly distributed around the main body 1 at intervals and are arranged on the main body 1. The other embodiments are the same as those of the first to third embodiments.
Fifth embodiment: one to four differences between the present embodiment and the specific embodiment are: the adhesive type composite material connecting piece further comprises two embedded pieces 7, wherein the two embedded pieces 7 form an annular embedded groove, and the roughness Ra of the outer surface and the inner surface of the two embedded pieces 7 is 12-14; the embedded blocks 3 are embedded into the annular embedded grooves, so that the outer surfaces of the two embedded blocks 3 are connected with the inner surface of the embedded part 7. The other embodiments are the same as those of the first to fourth embodiments.
Specific embodiment six: the present embodiment differs from the first to fifth embodiments in that: the main body 1, the side ribs 2, the embedded blocks 3 and the embedded parts 7 are all made of 6061 aluminum. The other embodiments are the same as those of the first to fifth embodiments.
Seventh embodiment: the embodiment is a method for connecting composite boards by using adhesive type composite material connectors, which is specifically completed by the following steps:
the method comprises the steps of opening a semicircular groove at the pre-connection position of two composite plates according to the size of each embedded part 7, connecting the outer surfaces of the two embedded parts 7 with the semicircular grooves at the pre-connection position of the two composite plates, aligning the two composite plates to enable the two embedded parts 7 to form an annular pre-buried groove, enabling other pre-connection positions of the two composite plates to be in surface contact, embedding the embedded blocks 3 of the adhesive type composite material connecting piece into the annular pre-buried groove, filling gaps at the mutual contact position of the two composite plates and the contact position of the adhesive type composite material connecting piece and the two composite plates with blue glue, bonding the outer surfaces of the two embedded blocks 3 with the inner surfaces of the embedded parts 7 with acrylic acid AB glue, and completing connection between the two composite plates after the blue glue and the acrylic acid AB glue are solidified to obtain the connected composite plate.
The roughness Ra of the inner surface of the embedded part 7 is 12-14, the roughness Ra of the outer surface of the embedded block 3 is 12-14, the adhesive bonding area is increased through the rough surface, the embedded part 7 and the embedded block 3 are bonded by using acrylic acid AB adhesive, and the acrylic acid AB adhesive can better penetrate into the aluminum material, so that the connection strength of the embedded part 7 and the embedded block 3 is greatly improved.
Eighth embodiment: the present embodiment differs from the seventh embodiment in that: two of the four side ribs 2 are aligned with the contact positions of two composite boards. The other is the same as in the seventh embodiment.
The side rib 2 is utilized to shield the gap at the pre-connecting position of the two composite boards, so that the contact area of the pre-connecting position of the composite boards is increased on one hand, and on the other hand, the side rib 2 is utilized to play a role in supporting the gap at the pre-connecting position of the two composite boards, so that the limit load of the connecting gap of the pre-connected composite boards is improved.
Detailed description nine: the present embodiment differs from the seventh or eighth embodiment in that: the thickness of the composite board is 1 mm-50 mm; the distance between two adjacent adhesive type composite material connectors on the connected composite board is 0.3 mm-0.5 mm. The others are the same as in the seventh or eighth embodiment.
Detailed description ten: the present embodiment differs from the seventh to ninth embodiments in that: the two composite boards are the same or different in material;
when the composite board is a metal board, the embedded part 7 is embedded at one side of the metal board before the metal board is formed, so that the metal board and the outer surface of the embedded part 7 are welded together;
when the composite board is a nonmetal board, a semicircular groove is formed at the preconnected position of the nonmetal board according to the size of the embedded part 7, and the outer surface of the embedded part 7 is adhered to the surface of the semicircular groove through blue glue.
The others are the same as in the seventh to ninth embodiments.
When the composite board is a metal board, the embedded part 7 is embedded at one side of the metal board before the metal board is formed, so that the metal board and the outer surface of the embedded part 7 are welded together; when the composite board is a nonmetal board, a semicircular groove is formed at the preconnected position of the nonmetal board according to the size of the embedded part 7, and the outer surface of the embedded part 7 is adhered with the surface of the semicircular groove through blue glue; on one hand, the contact area between the embedded part 7 and the composite board can be increased by arranging the embedded part 7, the outer surface of the embedded part 7 is 12-14, and the connection strength between the composite board and the embedded part 7 can be greatly improved by further increasing the surface area through the rough surface; in addition, when the composite plate is a metal plate, the metal plate is welded with the outer surface of the embedded part 7, and the connection strength is far greater than that of the glue joint.
Eleventh embodiment: the seventh to tenth differences between the present embodiment and the specific embodiment are: the two composite boards are respectively a honeycomb aluminum board and a foam board. The others are the same as those of the seventh to tenth embodiments.
The present invention is not limited to the above embodiments, and the object of the invention can be achieved by one or a combination of several embodiments.
The following experiments are adopted to verify the effect of the invention:
example 1: an adhesive type composite material connecting piece comprises a main body 1, four side ribs 2 and an embedded block 3; one end of the embedded block 3 is connected with one end of the main body 1, the other end of the embedded block 3 and the other end of the main body 1 extend towards the direction away from each other, and four side ribs 2 are arranged on the main body 1 at intervals around the main body 1; one of the side ribs 2 includes a connecting rod 21, an adhesive rod 22 and a rib rod 23; one end of the connecting rod 21 is vertically connected with one end of the adhesive rod 22, the other end of the connecting rod 21 and the other end of the adhesive rod 22 extend towards the direction away from the connection position of the connecting rod 21 and the adhesive rod 22, one end of the rib rod 23 is connected with the connecting rod 21, and the other end of the rib rod 23 is connected with the adhesive rod 22; the side wall of the connecting rod 21, which is away from the direction of the adhesive rod 22, is connected with the side wall of the main body 1 in a manner that the adhesive rod 22 is perpendicular to the main body 1, and the side surface of the adhesive rod 22, which is away from the direction of the connecting rod 21, is in the same plane with the side surface of the main body 1, which is towards the direction of the embedded block 3.
Embodiment 1 the main body 1 is provided with a lightening hole 4, and the lightening hole 4 penetrates the main body 1 and the embedded block 3 along the direction of the main body 1.
The outer diameter of the embedded block in the embodiment 1 is 50mm, and the height is 10mm; the outer diameter of the main body is 70mm, and the height of the main body is 20mm; the aperture of the lightening hole is 30mm; the length of the connecting rod and the adhesive rod is 20mm, and the sections of the connecting rod, the adhesive rod and the rib rod are all 10mm multiplied by 10mm.
In embodiment 1, the main body 1 and the embedded block 3 are cylindrical, the axes of the main body 1 and the embedded block 3 are coincident, and the outer diameter of the main body 1 is larger than the outer diameter of the embedded block 3; and the roughness Ra of the outer surface of the embedded block 3 is 12.5.
In embodiment 1, the number of the side ribs 2 is four, and the four side ribs 2 are uniformly distributed around the main body 1 at intervals on the main body 1.
The adhesive composite material connecting piece of embodiment 1 further comprises two embedded pieces 7, wherein the two embedded pieces 7 form an annular embedded groove, and the roughness Ra of the outer surface and the inner surface of the two embedded pieces 7 is 12.5; the embedded blocks 3 are embedded into the annular embedded grooves, so that the outer surfaces of the two embedded blocks 3 are connected with the inner surface of the embedded part 7.
In embodiment 1, the main body 1, the side ribs 2, the embedded blocks 3 and the two embedded parts 7 are all made of 6061 aluminum.
Example 2: a method of joining composite panels using the adhesive composite connector of example 1, comprising the steps of:
the two composite boards are honeycomb aluminum boards, the length of each honeycomb aluminum board is 100mm, the width of each honeycomb aluminum board is 200mm, and the thickness of each honeycomb aluminum board is 10mm; pre-burying the embedded part 7 at one side of the honeycomb aluminum plate before forming the honeycomb aluminum plate, so that the honeycomb aluminum plate and the outer surface of the embedded part 7 are welded together in the forming process; the method comprises the steps of aligning two honeycomb aluminum plates to enable two embedded parts 7 to form an annular embedded groove, enabling other pre-connection positions of the two honeycomb aluminum plates to be in surface contact, embedding an embedded block 3 of an adhesive type composite material connecting piece into the annular embedded groove, filling gaps at the contact positions of the two composite boards and the contact positions of the adhesive type composite material connecting piece and the two composite boards with blue glue, bonding the outer surfaces of the two embedded blocks 3 and the inner surfaces of the embedded parts 7 with acrylic acid AB glue, and completing connection between the two composite boards after the blue glue and the acrylic acid AB glue are solidified to obtain the connected composite boards.
Example 2 two of the four side ribs 2 are aligned at the contact point with two composite boards.
The spacing between two adjacent adhesive composite connectors on the joined composite boards described in example 2 was 0.35mm.
Limit load detection:
the average value of the limiting load of the honeycomb aluminum plate is 1.32kN
Carrying out limit load detection on the bonding gap of the composite plate after connection obtained in the embodiment 2 and the honeycomb aluminum plate base material, and adopting a static load compression test, wherein the limit load of the honeycomb aluminum plate base material is 1.32kN through detection, and the limit load strength of the bonding gap of the composite plate after connection obtained in the embodiment 2 is 5.85kN, which is more than 4 times of the limit load strength of the honeycomb aluminum plate base material; the detection shows that the ultimate load strength of the bonding gap of the composite board after connection obtained in the embodiment 2 exceeds the ultimate load strength of the honeycomb aluminum board base material, because the adhesive composite material connecting piece comprises a main body 1, four side ribs 2 and an embedded block 3, on one hand, the adhesive composite material connecting piece increases the contact area of the bonding gap through the main body 1, the embedded block 3 and the adhesive rod 22 to achieve the purpose of improving the ultimate load, and on the other hand, the four rib rods 23 provide great support for the bonding gap, so that the ultimate load strength of the bonding gap of the composite board after connection obtained in the embodiment 2 exceeds the ultimate load strength of the honeycomb aluminum board base material.
Claims (7)
1. A method for connecting composite boards by using an adhesive composite material connecting piece, wherein the adhesive composite material connecting piece comprises a main body (1), a plurality of side ribs (2) and embedded blocks (3); one end of the embedded block (3) is connected with one end of the main body (1), the other end of the embedded block (3) and the other end of the main body (1) extend towards mutually deviating directions, and a plurality of side ribs (2) are arranged on the main body (1) at intervals around the main body (1); one side rib (2) comprises a connecting rod (21), an adhesive rod (22) and a rib rod (23); one end of the connecting rod (21) is vertically connected with one end of the adhesive rod (22), the other end of the connecting rod (21) and the other end of the adhesive rod (22) extend towards the direction away from the joint of the connecting rod (21) and the adhesive rod (22), one end of the rib rod (23) is connected with the connecting rod (21), and the other end of the rib rod (23) is connected with the adhesive rod (22); the side wall of the connecting rod (21) deviating from the direction of the adhesive rod (22) is connected with the side wall of the main body (1) in a mode that the adhesive rod (22) is perpendicular to the main body (1), and the side surface of the adhesive rod (22) deviating from the direction of the connecting rod (21) and the side surface of the main body (1) facing the direction of the embedded block (3) are positioned on the same plane; four side ribs (2) are uniformly distributed around the main body (1) at intervals on the main body (1); the adhesive type composite material connecting piece further comprises two embedded pieces (7), wherein the two embedded pieces (7) form an annular embedded groove, and the roughness Ra of the outer surface and the inner surface of the two embedded pieces (7) is 12-14; the embedded blocks (3) are embedded into the annular embedded grooves, so that the outer surfaces of the two embedded blocks (3) are connected with the inner surface of the embedded part (7);
the method is characterized by comprising the following steps of:
the method comprises the steps of opening a semicircular groove at the pre-connection position of two composite boards according to the size of each embedded part (7), connecting the outer surfaces of the two embedded parts (7) with the semicircular groove at the pre-connection position of the two composite boards, aligning the two composite boards to enable the two embedded parts (7) to form an annular embedded groove, enabling other pre-connection positions of the two composite boards to be in surface contact, embedding an embedded block (3) of an adhesive type composite material connecting part into the annular embedded groove, filling gaps at the contact position of the two composite boards and the contact position of the adhesive type composite material connecting part and the two composite boards with blue glue, bonding the outer surfaces of the two embedded blocks (3) with the inner surfaces of the embedded parts (7) with acrylic acid AB glue, and completing connection between the two composite boards after the blue glue and the acrylic acid AB glue are solidified to obtain the connected composite boards.
2. A method of joining composite panels using an adhesive composite connector according to claim 1, wherein two of the four side ribs (2) are aligned at the contact with two composite panels.
3. The method for connecting composite boards by using adhesive type composite material connectors according to claim 1, wherein the thickness of the composite boards is 1 mm-50 mm; the distance between two adjacent adhesive type composite material connectors on the connected composite board is 0.3 mm-0.5 mm.
4. A method of joining composite panels using an adhesive composite connector as claimed in claim 2 wherein the two composite panels are of the same or different materials;
when the composite board is a metal board, the embedded part (7) is embedded at one side of the metal board before the metal board is formed, so that the metal board and the outer surface of the embedded part (7) are welded together;
when the composite board is a nonmetal board, a semicircular groove is formed at the preconnected position of the nonmetal board according to the size of the embedded part (7), and the outer surface of the embedded part (7) is adhered to the surface of the semicircular groove through blue glue.
5. Method for connecting composite boards with glued composite material joints according to claim 1, characterized in that the body (1) is provided with lightening holes (4) and that the lightening holes (4) extend through the body (1) and the pre-buried blocks (3) in the direction of the body (1).
6. Method for connecting composite boards by means of an adhesive composite material connection according to claim 1, characterized in that the body (1) and the pre-buried block (3) are cylindrical, the axes of the body (1) and the pre-buried block (3) coincide, and the outer diameter of the body (1) is greater than the outer diameter of the pre-buried block (3); and the roughness Ra of the outer surface of the embedded block (3) is 12-14.
7. The method for connecting composite boards by using the adhesive type composite material connecting piece according to claim 1, wherein the main body (1), the side ribs (2), the embedded blocks (3) and the two embedded pieces (7) are all made of 6061 aluminum.
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| KR20170142746A (en) * | 2016-06-20 | 2017-12-28 | 주식회사 성우하이텍 | Plastic complex materials structure and manufacturing method of the same |
| CN111963870A (en) * | 2019-05-20 | 2020-11-20 | 覃俊宁 | Low-temperature bearing adhesive support |
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