阅读说明：本技术 散热器导热管无缝滚压铆合工艺及对应的装配结构 (Seamless rolling riveting process for heat conduction pipe of radiator and corresponding assembly structure ) 是由 蔡文龙 于 2020-12-10 设计创作，主要内容包括：本发明提供了散热器导热管无缝滚压铆合工艺,其使得排列完成的导热管和散热器之间没有间隙,且相邻的导热管之间没有间隙,使得导热管的外露散热接触面没有间隙,确保散热器和芯片的接触面有效可靠、接触面积大,保证散热充分可靠。其包括散热器的用于设置导热管的底板BASE,所述底板BASE设置有放置直线排布导热管的内凹槽,所述内凹槽的两侧的外露边缘位置设置形成内凸的包覆结构,直线排布的导热管分别塞装于所述内凹槽内,初始状态下的导热管的外露表面高于所述底板BASE的内凹槽的外露平面、且相邻的导热管之间留有预留间隙,所述包覆结构压附位于两侧的导热管的对应位置的侧壁,之后通过滚压铆合工艺滚压导热管的外露平面。(The invention provides a seamless rolling riveting process for heat conduction pipes of a radiator, which ensures that no gap exists between the arranged heat conduction pipes and the radiator, and no gap exists between adjacent heat conduction pipes, so that no gap exists on the exposed radiating contact surface of the heat conduction pipes, the contact surfaces of the radiator and a chip are effective and reliable, the contact area is large, and the sufficient and reliable radiation is ensured. The heat pipe heat radiator comprises a BASE plate BASE of the heat radiator, wherein the BASE plate BASE is used for arranging heat pipes, the BASE plate BASE is provided with an inner groove for placing the heat pipes which are linearly arranged, exposed edge positions of two sides of the inner groove are provided with inward convex coating structures, the heat pipes which are linearly arranged are respectively plugged in the inner groove, the exposed surface of the heat pipe in an initial state is higher than the exposed plane of the inner groove of the BASE plate BASE, a reserved gap is reserved between the adjacent heat pipes, the coating structures are pressed on the side walls of the corresponding positions of the heat pipes on the two sides, and then the exposed plane of the heat pipe is rolled through a rolling riveting process.)

1. The seamless rolling riveting process for the heat conducting pipe of the radiator is characterized in that: the heat pipe heat radiator comprises a BASE plate BASE of the heat radiator, wherein the BASE plate BASE is used for arranging heat pipes, the BASE plate BASE is provided with an inner groove for placing the heat pipes in linear arrangement, exposed edge positions on two sides of the inner groove are provided with coating structures which form inward bulges, the heat pipes in linear arrangement are respectively plugged in the inner groove, the exposed surface of the heat pipe in an initial state is higher than the exposed plane of the inner groove of the BASE plate BASE, a reserved gap is reserved between the adjacent heat pipes, the coating structures are pressed on the side walls of the corresponding positions of the heat pipes on the two sides, then the exposed plane of the heat pipe is rolled through a rolling riveting process, the exposed surface of the heat pipe is parallel and level to the exposed plane of the inner groove of the BASE, the adjacent heat pipes are arranged in a close fit mode, and the coating structures are pressed on the corresponding.

2. The seamless rolling riveting process for heat conducting pipes of heat radiators according to claim 1, wherein: in the rolling and riveting process, the heights of the pressing and attaching rollers are reduced in a stepped manner until the height of the pressing and attaching roller at the lowest position is flush with the exposed plane of the inner groove of the BASE plate, and the pressing and attaching rollers act on the exposed plane of the heat conduction pipe from small to large according to the pressing and attaching amount, so that the exposed surface of the heat conduction pipe exposed out of the BASE plate is gradually flattened.

3. The seamless rolling riveting process for heat conducting pipes of heat radiators according to claim 2, wherein: in the rolling riveting process, each pressing roller integrally acts on a width area formed by the inner grooves along the length direction of the single heat conduction pipe, and the pressing device integrally formed by all the pressing rollers advances at a constant speed for pressing under the pushing of external power.

4. The seamless rolling riveting process for heat conducting pipes of heat radiators according to claim 1, wherein: in the rolling riveting process, the BASE plate is in a fixed position state.

5. The seamless rolling riveting process for heat conducting pipes of heat radiators according to claim 1, wherein: the coating structure is an inward convex R-angle structure and an inward draft angle structure with inclination.

6. The seamless rolling riveting process for heat conducting pipes of heat radiators according to claim 1, wherein: the coating structure is specifically an upper convex attaching block structure, and the upper convex attaching block structure is subjected to a rolling riveting process to form a riveting structure which is attached to the corresponding side wall of the heat conduction pipe and is flush with the exposed plane of the inner groove of the BASE plate.

7. The assembly structure of radiator heat pipe, its characterized in that: the heat pipe heat radiator comprises a BASE plate BASE of the heat radiator, wherein the BASE plate BASE is provided with an inner groove for placing heat pipes in linear arrangement, the exposed edge positions of two sides of the inner groove are provided with coating structures which are inwards convex, the exposed surfaces of the heat pipes in linear arrangement are flush with the exposed plane of the inner groove of the BASE, the adjacent heat pipes are arranged in a close fit manner, and the coating structures are pressed at the corresponding deformation R angle positions of the heat pipes on the two sides and are arranged in a close fit manner.

Technical Field

The invention relates to the technical field of radiators, in particular to a seamless rolling riveting process for a heat conduction pipe of a radiator, and further provides an assembly structure for the heat conduction pipe of the radiator.

Background

Along with the continuous development of science and technology, the fierce rapid leap forward of chip technique, electronic equipment is intelligent, the consumption is higher and higher, the radiator plays very big effect in whole electronic product follows intelligent electronic equipment, therefore it is higher and higher to require and the technique to the radiator, in order to better solve chip and radiator contact heat conduction efficiency, heat pipe on the current market trend radiator is with chip direct contact, reduce heat pipe on the radiator to a certain extent and follow chip contact surface heat conduction medium, to a great extent reduce material cost and fall with material thermal impedance, promote heat dispersion.

However, the technical problem that the prior art for flattening the heat conduction pipe cannot overcome the defect that the heat conduction pipe is not flattened and has no R angle or the parallel gap between the heat conduction pipe and the heat conduction pipe, and the gap between the heat conduction pipe contact surfaces of the radiator when the heat conduction pipes are arranged to be aligned, so that the gap between the heat conduction pipe surface of the radiator and the chip contact surface exists, the area between the chip surface and the radiator contact surface is reduced, the heat radiation performance is reduced, and the ideal effect cannot be achieved.

Disclosure of Invention

In order to solve the problems, the invention provides a seamless rolling riveting process for heat conduction pipes of a radiator, which ensures that no gap exists between the arranged heat conduction pipes and the radiator, and no gap exists between adjacent heat conduction pipes, so that no gap exists between exposed radiating contact surfaces of the heat conduction pipes, the contact surfaces of the radiator and a chip are effective and reliable, the contact area is large, and the heat radiation is sufficient and reliable.

The seamless rolling riveting process for the heat conducting pipe of the radiator is characterized in that: the heat pipe heat radiator comprises a BASE plate BASE of the heat radiator, wherein the BASE plate BASE is used for arranging heat pipes, the BASE plate BASE is provided with an inner groove for placing the heat pipes in linear arrangement, exposed edge positions on two sides of the inner groove are provided with coating structures which form inward bulges, the heat pipes in linear arrangement are respectively plugged in the inner groove, the exposed surface of the heat pipe in an initial state is higher than the exposed plane of the inner groove of the BASE plate BASE, a reserved gap is reserved between the adjacent heat pipes, the coating structures are pressed on the side walls of the corresponding positions of the heat pipes on the two sides, then the exposed plane of the heat pipe is rolled through a rolling riveting process, the exposed surface of the heat pipe is parallel and level to the exposed plane of the inner groove of the BASE, the adjacent heat pipes are arranged in a close fit mode, and the coating structures are pressed on the corresponding.

It is further characterized in that:

in the rolling and riveting process, the heights of a plurality of pressing and attaching rollers are reduced in a stepped manner until the height of the pressing and attaching roller at the lowest position is flush with the exposed plane of the inner groove of the BASE plate, and the plurality of pressing and attaching rollers act on the exposed plane of the heat conduction pipe from small to large according to the pressing and attaching amount, so that the exposed surface of the heat conduction pipe exposed out of the BASE plate is gradually flattened, the single deformation is small, and the heat conduction pipe is prevented from being damaged due to overlarge deformation in the rolling process;

in the rolling riveting process, each pressing roller integrally acts on a width area formed by the inner grooves along the length direction of the single heat conduction pipe, and a pressing device integrally formed by all the pressing rollers advances at a constant speed for pressing under the pushing of external power;

in the rolling riveting process, the BASE of the bottom plate is in a fixed position state, so that the stability and reliability of the rolling riveting are ensured;

the coating structure is specifically an inward convex R-angle structure and an inward draft angle structure with inclination;

the coating structure is specifically an upper convex attaching block structure, and the upper convex attaching block structure is subjected to a rolling riveting process to form a riveting structure which is attached to the corresponding side wall of the heat conduction pipe and is flush with the exposed plane of the inner groove of the BASE plate.

The assembly structure of radiator heat pipe, its characterized in that: the heat pipe heat radiator comprises a BASE plate BASE of the heat radiator, wherein the BASE plate BASE is provided with an inner groove for placing heat pipes in linear arrangement, the exposed edge positions of two sides of the inner groove are provided with coating structures which are inwards convex, the exposed surfaces of the heat pipes in linear arrangement are flush with the exposed plane of the inner groove of the BASE, the adjacent heat pipes are arranged in a close fit manner, and the coating structures are pressed at the corresponding deformation R angle positions of the heat pipes on the two sides and are arranged in a close fit manner.

After the process is adopted, the BASE plate is provided with an inner groove for placing the heat conduction pipes in linear arrangement, the exposed edge positions of two sides of the inner groove are provided with an inward convex coating structure, the heat conduction pipes in linear arrangement are respectively plugged in the inner groove, the exposed surface of the heat conduction pipe in an initial state is higher than the exposed plane of the inner groove of the BASE plate, a reserved gap is reserved between the adjacent heat conduction pipes, then the exposed plane of the heat conduction pipe is rolled through a rolling riveting process, so that the exposed surface of the heat conduction pipe is flush with the exposed plane of the inner groove of the BASE plate, the adjacent heat conduction pipes are arranged in a close fit mode, and the coating structure is pressed in the corresponding deformation R angle positions of the heat conduction pipes on two sides and is; the heat pipe heat dissipation structure has the advantages that gaps do not exist between the arranged heat pipes and the heat radiator, gaps do not exist between the adjacent heat pipes, the exposed heat dissipation contact surfaces of the heat pipes do not have gaps, the contact surfaces of the heat radiator and a chip are effective and reliable, the contact area is large, and the heat dissipation is sufficient and reliable.

Drawings

FIG. 1 is a schematic process flow diagram (cross-sectional view) of the present invention;

FIG. 2 is a schematic process flow diagram (top view) of the present invention;

FIG. 3 is a partial enlarged view of a first embodiment of FIG. 1;

FIG. 4 is a partially enlarged view of a second embodiment of FIG. 1;

FIG. 5 is a detail view of a third embodiment of FIG. 1 at a point A;

FIG. 6 is an enlarged view of a portion of FIG. 1 at B;

FIG. 7 is an enlarged view of a portion of FIG. 1 at C;

FIG. 8 is a schematic cross-sectional view illustrating an assembly structure of a heat pipe of a heat sink according to the present invention;

the names corresponding to the sequence numbers in the figure are as follows:

the heat pipe comprises a bottom plate BASE1, an inner groove 2, a heat conduction pipe 3, a coating structure 4, an inner convex R-shaped angle structure 41, an inner draft angle structure 42 with a slope, an upper convex pressing and attaching block structure 43, a reserved gap 5 and a pressing and attaching roller 6.

Detailed Description

The seamless rolling riveting process for the heat conducting pipe of the radiator is shown in the figures 1 to 7: the heat pipe heat radiator comprises a bottom plate BASE1 for arranging heat pipes of the heat radiator, wherein the bottom plate BASE1 is provided with an inner groove 2 for placing the heat pipes 3 which are linearly arranged, exposed edge positions on two sides of the inner groove 2 are provided with coating structures 4 which form inner protrusions, the heat pipes 3 which are linearly arranged are respectively plugged in the inner groove 2, the distance between the exposed surface of the heat pipe 3 in an initial state and the exposed plane of the inner groove 2 of the bottom plate BASE is H, a reserved gap 5 is reserved between the adjacent heat pipes 3, the coating structures 4 are pressed on the side walls of the corresponding positions of the heat pipes 3 on two sides, then the exposed plane of the heat pipe 3 is rolled through a rolling riveting process, so that the exposed surfaces of the heat pipes 3 are flush with the exposed plane of the inner groove 2 of the BASE1, and the adjacent heat pipes 3 are closely arranged, and the cladding structure 4 is press-fitted to the corresponding deformed R-angle positions of the heat pipes 3 on both sides.

In the rolling and riveting process, the heights of the pressing and attaching rollers 6 are reduced in a stepped manner until the height of the pressing and attaching roller 6 at the lowest position is flush with the exposed plane of the inner groove 2 of the BASE1 of the bottom plate, and the pressing and attaching rollers 6 act on the exposed plane of the heat conduction pipe 3 from small to large according to the pressing and attaching amount, so that the exposed surface of the heat conduction pipe 3 exposed out of the BASE1 of the bottom plate is gradually flattened, the single deformation amount is small, and the heat conduction pipe 3 is ensured not to be damaged due to overlarge deformation amount in the rolling process;

in the rolling and riveting process, each pressing and attaching roller 6 integrally acts on the width area formed by the inner groove 2 along the length direction of the single heat-conducting pipe 3, and the pressing and attaching device integrally formed by all the pressing and attaching rollers 6 advances at a constant speed for pressing and attaching under the pushing of external power;

in the rolling riveting process, the BASE1 of the bottom plate is in a fixed position state, so that the stability and reliability of the rolling riveting are ensured;

the coating structure 4 is specifically an inward convex R-shaped angle structure 41 and an inward draft angle structure 42 with inclination;

the cladding structure 4 is specifically an upper convex pressing attachment block structure 43, and the upper convex pressing attachment block structure 43 forms a riveting structure which is attached to the corresponding side wall of the heat conduction pipe 3 and is flush with the exposed plane of the inner groove 2 of the bottom plate BASE1 through a rolling riveting process.

The assembly structure of the heat conducting pipe of the radiator is shown in figure 8: the heat pipe heat radiator comprises a bottom plate BASE1 of the heat radiator, wherein the bottom plate BASE1 is provided with an inner groove 2 for placing heat pipes 3 in linear arrangement, exposed edge positions of two sides of the inner groove 2 are provided with coating structures 4 for forming inner protrusions, exposed surfaces of the heat pipes 3 in linear arrangement are flush with exposed planes of the inner groove of the BASE1, adjacent heat pipes 3 are arranged in a close fit mode, and the coating structures 4 are pressed in corresponding deformation R-angle positions of the heat pipes 3 on two sides in a close fit mode.

The working principle is as follows: the BASE plate is provided with an inner groove for placing the heat conduction pipes in linear arrangement, the exposed edge positions of two sides of the inner groove are provided with coating structures which form inward bulges, the heat conduction pipes in linear arrangement are respectively plugged in the inner groove, the exposed surface of the heat conduction pipe in an initial state is higher than the exposed plane of the inner groove of the BASE plate, a reserved gap is reserved between the adjacent heat conduction pipes, then the exposed plane of the heat conduction pipe is rolled through a rolling riveting process, so that the exposed surface of the heat conduction pipe is flush with the exposed plane of the inner groove of the BASE plate, the adjacent heat conduction pipes are arranged in a close fit mode, and the coating structures are pressed on the corresponding deformed R-angle positions of the heat conduction pipes on two sides and; the heat pipe heat dissipation structure has the advantages that gaps do not exist between the arranged heat pipes and the heat radiator, gaps do not exist between the adjacent heat pipes, the exposed heat dissipation contact surfaces of the heat pipes do not have gaps, the contact surfaces of the heat radiator and a chip are effective and reliable, the contact area is large, and the heat dissipation is sufficient and reliable.

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.