CN114012316A - Metal rubber composite jig for preventing liquid cooling runner redundancy - Google Patents
Metal rubber composite jig for preventing liquid cooling runner redundancy Download PDFInfo
- Publication number
- CN114012316A CN114012316A CN202111345954.2A CN202111345954A CN114012316A CN 114012316 A CN114012316 A CN 114012316A CN 202111345954 A CN202111345954 A CN 202111345954A CN 114012316 A CN114012316 A CN 114012316A
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- liquid cooling
- metal
- jig
- composite jig
- flow channel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
Abstract
The invention provides a metal rubber composite jig for preventing liquid cooling runner redundancy, which comprises: the metal core shaft is provided with a dismounting hole at one end and is used for mounting a dismounting tool to dismount the composite jig, and a mounting hole at the other end, wherein the mounting hole is provided with a limiting rod to assist the assembly of the composite jig; or the limiting rod is not arranged in the mounting hole, and the composite jig is directly assembled; and the elastic part is sleeved on the metal core shaft. The metal rubber composite jig for preventing the liquid cooling runner redundancy can adapt to the deformation of a runner interface caused by welding; the flow channel connector can adapt to flow channel interfaces with different structural forms; can simultaneously prevent solid remainders such as cutting chips and liquid remainders such as cutting cooling liquid; the jig can be prevented from falling into the liquid cooling runner; the jig can be prevented from falling out or falling off from the liquid cooling runner interface; meanwhile, the composite jig is convenient to assemble and disassemble, high in operation efficiency and capable of being repeatedly used.
Description
Technical Field
The invention relates to the technical field of mechanical manufacturing of liquid cooling structure products in electronic equipment cooled and radiated by adopting a liquid cooling mode, in particular to a metal rubber composite jig for preventing liquid cooling runner redundancy.
Background
The liquid cooling flow channel in the liquid cooling structure product is generally formed by welding, and due to welding deformation, in order to ensure the machining precision of the external structural characteristics, the structural characteristics with high precision requirements are generally placed after welding for mechanical finish machining. In the fine machining process, in order to prevent the remainders such as aluminum scraps, cutting cooling liquid and the like from entering the liquid cooling runner from the liquid cooling runner interface, the liquid cooling runner needs to be connected
The mouth is plugged. At present, the redundant control of the machining process after welding of the liquid cooling runner mainly adopts the following two modes.
One type is to fill the liquid cooling channels with a filling medium that is easily melted and solidified, and then melt and remove the filling medium after the machining is completed. For example, chinese patent No. CN107138475B describes a method of using animal fat (lard) as a filling medium, which includes melting the fat, filling the fat into a flow channel, rapidly freezing, heating to melt the fat after processing, sequentially introducing steam into the liquid cooling flow channel to blow off, ultrasonically cleaning with clean deionized water, and repeatedly cleaning with gasoline and alcohol until the cleanliness of the cleaning medium after cleaning meets the requirements. The method has complex operation flow, the liquid cooling runner needs to be filled with the filling medium, and the liquid cooling runner is repeatedly cleaned after the processing is finished, so that the risk of unclean cleaning may exist; meanwhile, the filling medium is a surplus substance, and the characteristic of easy melting and solidification needs to be met, so that the risk of sealing failure caused by melting of the filling medium due to cutting heat exists in the machining process.
The other method is to use a process plug to plug the runner interface to prevent redundancy, usually the liquid cooling runner interface is designed into a threaded structure, and the threaded process plug is installed after welding or the threaded plug is embedded in advance before welding. For example, chinese patent publication No. CN112518242A describes a method for dust-free opening of a cold plate flow channel, and the invention adopts a design scheme of a plug with embedded external threads. Such methods have the following problems: the deformation of the pre-processed threaded hole before welding caused by welding deformation can not be smoothly installed or removed out of the threaded plug; in the assembling and disassembling process, the welding high temperature causes the thread to deform, and a new excess is possibly extruded and generated in the thread meshing process to fall into the flow channel; on the other hand, the threaded hole plug cannot effectively prevent cutting coolant from entering the flow channel in the machining process; meanwhile, as the flow channel interface is specially designed into a thread shape due to the assembly of the process plug, the flow resistance of the liquid cooling flow channel interface can be increased.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art.
Therefore, the invention provides a metal rubber composite jig for preventing the surplus of the liquid cooling flow channel.
The invention provides a metal rubber composite jig for preventing liquid cooling runner redundancy, which comprises: the metal core shaft is provided with a dismounting hole at one end and is used for mounting a dismounting tool to dismount the composite jig, and a mounting hole at the other end, wherein the mounting hole is provided with a limiting rod to assist the assembly of the composite jig; or the limiting rod is not arranged in the mounting hole, and the composite jig is directly assembled; and the elastic part is sleeved on the metal core shaft.
According to the metal rubber composite jig for preventing the liquid cooling runner redundancy, the metal core shaft is used for being installed into the liquid cooling runner interface. Specifically, the metal mandrel is usually made of a metal material which has high hardness and is not easily rusted, such as stainless steel. The dismounting hole is used for being matched with a dismounting tool, so that the dismounting process of the composite jig can be conveniently and quickly completed. Specifically, the disassembling tool is assembled in the disassembling hole, and then acting force is applied to the disassembling tool, so that the composite jig is pulled out, and the whole process is convenient and rapid. The elastic part can be sleeved on the metal core shaft in a mould forming mode, so that the deformation of the elastic part is adaptive to the deformation of the liquid cooling runner interface caused by welding; meanwhile, the tight fit between the composite jig and the runner interface is realized, the composite jig can seal and block the runner interface, and solid remainders such as cutting chips and liquid remainders such as cutting cooling liquid can be effectively prevented from entering the cold runner from the liquid cooling runner interface in the machining process after welding of the liquid cooling product. The mounting hole can then install the gag lever post to promote compound tool through the gag lever post and accomplish the assembly process, perhaps the mounting hole does not install the gag lever post, and compound tool directly assembles. The above process can consider whether to use the installation limiting rod according to the depth and the structure of the specific liquid cooling runner interface. In addition, when the cross sections of the liquid cooling runner interfaces are the same in shape and only different in depth, the limiting rods with different lengths are replaced, and the same metal core shaft and the same elastic part are used, so that the applicability of the composite jig can be increased in multiples, the manufacturing cost of the composite jig is effectively reduced, and the utilization rate of the composite jig is improved.
Therefore, the metal rubber composite jig for preventing the surplus objects of the liquid cooling flow channel, provided by the invention, can adapt to the deformation of the flow channel interface caused by welding; the flow channel connector can adapt to flow channel interfaces with different structural forms; can simultaneously prevent solid remainders such as cutting chips and liquid remainders such as cutting cooling liquid; the jig can be prevented from falling into the liquid cooling runner; the jig can be prevented from falling out or falling off from the liquid cooling runner interface; meanwhile, the composite jig is convenient to assemble and disassemble, high in operation efficiency and capable of being repeatedly used.
The metal rubber composite jig for preventing the liquid cooling runner redundancy according to the technical scheme of the invention can also have the following additional technical characteristics:
in the above technical solution, the metal core shaft is formed with a mounting groove and a limiting boss, and the elastic portion is coupled to the mounting groove and stopped by the limiting boss.
In this technical scheme, the mounting groove is used for installing the elasticity portion, and the spacing boss in both sides is used for restricting the position of compounded rubber in axial direction, and the compound rubber position upwards or drops down when preventing assembly, dismantlement compound tool.
In the above technical solution, the elastic portion is a composite rubber.
In this technical scheme, the elastic part is compound rubber, specifically, can be the moderate rubber goods of hardness, and in addition, compound rubber's length is general 3 ~ 5mm, and the assembly resistance of compound tool can be increased to length overlength.
In the above technical solution, the outer dimensions of the inner holes at both ends of the elastic part are larger than the outer dimensions of the inner holes in the middle part thereof.
In this technical scheme, the both ends hole overall dimension of elasticity portion is greater than its mid portion hole overall dimension to what guarantee that the elasticity portion is firm inlays on the metal dabber, so that elasticity portion axial physics is spacing.
In the above technical scheme, the dismounting hole is a threaded hole structure, and at least one end of the dismounting tool forms a threaded structure screwed with the dismounting hole.
In the technical scheme, the dismounting hole is in threaded connection with the dismounting tool, so that the connection structure is simple and easy to operate.
In the above technical scheme, the mounting hole is a threaded hole structure, and at least one end of the limiting rod is formed into a threaded structure screwed with the mounting hole.
In the technical scheme, the limiting rod is in threaded connection with the mounting hole. Specifically, one end of the limiting rod is provided with a convex external thread, and the external thread is in threaded connection with the mounting hole of the metal core shaft. The shape dimension D4 of the lower end of the limiting rod is smaller than the size of the interface of the liquid cooling runner, and can be the same as the shape dimension of the metal mandrel, so that the metal mandrel and the limiting rod are prevented from interfering with the side wall of the liquid cooling runner when the composite jig is assembled, and the composite jig can be smoothly assembled. The material of gag lever post is the same with the metal dabber, and its main effect lies in increasing the total length of composite jig, and when the composite jig was assembled, the terminal surface should contact with liquid cooling runner bottom under the gag lever post to realize the axial spacing of composite jig, guarantee that composite jig can not fall into interior liquid cooling runner and can't take out.
In the above technical solution, the dimension D2 of the metal core shaft is smaller than the dimension of the liquid cooling flow passage interface.
In the technical scheme, the overall dimension D2 of the metal core shaft is smaller than the dimension of the liquid cooling runner interface, so that the composite jig can be easily and smoothly installed in the liquid cooling runner interface.
In any of the above technical solutions, the shape of the elastic portion is adapted to the shape of the flow channel interface, and the external dimension D3 of the elastic portion is 0.1-0.2 mm larger than the external dimension of the liquid cooling flow channel interface.
In the technical scheme, the elastic part is slightly larger than the flow passage interface in appearance, and the friction force between the elastic part and the side wall of the liquid cooling flow passage interface is increased through the radial pressure of the elastic part and the side wall of the flow passage interface, so that the tight fit between the composite jig and the flow passage interface is realized, the composite jig can seal and block the flow passage interface, and solid residues such as cutting chips and liquid residues such as cutting cooling liquid can be effectively prevented from entering the cold flow passage from the liquid cooling flow passage interface in the machining process after the welding of the liquid cooling product.
In any of the above technical solutions, the metal core shaft has a regular cylindrical, long cylindrical or conical cylindrical structure.
In the technical scheme, the metal core shaft can be made into a corresponding shape according to actual working conditions, specifically, the shape of the metal core shaft is determined according to the shape of the liquid cooling flow passage interface under the common condition, the section shape of the metal core shaft is generally similar to that of the liquid cooling flow passage interface, and the size of the metal core shaft is relatively smaller. Preferably, the metal mandrel may be of right cylindrical, long cylindrical or tapered cylindrical configuration.
In any of the above technical solutions, the number of the limiting rods is several, and the length of the limiting rods is different.
In the technical scheme, the liquid cooling flow passages with different specifications and depths are adapted by replacing the limiting rods with different lengths.
When the metal rubber composite jig for preventing the liquid cooling runner redundancy is used, the corresponding size of the liquid cooling runner interface is set to be D, the distance from the lowest surface to be machined to the bottom surface of the liquid cooling runner is set to be L, the depth of a dismounting hole is set to be L1, the diameter is set to be MD1, the depth of an installation hole is set to be L2, and the diameter is set to be MD 2. Then each key dimension of the metal rubber composite jig should satisfy: the diameter of the metal core shaft thread is MD1 and is more than the minimum external dimension of the metal core shaft D1 and is more than the maximum external dimension of the metal core shaft D2 and is more than the external dimension of the liquid cooling runner interface D3, and the total length L3 of the metal rubber composite jig is more than the distance from the lowest surface to be machined to the bottom surface of the liquid cooling runner.
After the composite jig is assembled in place, the position of the top surface of the composite jig is mainly checked, and the top surface of the composite jig is lower than the lowest surface to be machined so as to ensure that a machining tool cannot touch the top surface of the composite jig in the machining process after welding, thereby avoiding the composite jig from falling out or damaging the machining tool. The safety distance between the top surface of the composite jig and the lowest surface to be machined is generally not less than 1mm, and the safety distance can be properly increased under the condition of larger space.
In addition, after the liquid cooling structure product is machined after being welded, and the burrs are removed and all redundant materials on the outer surface of the liquid cooling product are cleaned up, the liquid cooling structure product is screwed into the upper end face dismounting hole of the composite jig by using a dismounting tool with an external thread at one end, and then the composite jig is directly pulled out outwards.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a sectional view of a metal rubber composite jig for preventing liquid cooling flow channel redundancy according to a first embodiment of the present invention (a metal mandrel has a right cylindrical shape and is provided with a stopper rod);
fig. 2 is a mounting state diagram of the metal rubber composite jig for preventing the surplus of the liquid cooling flow channel shown in fig. 1 (the metal mandrel is in a right cylindrical structure in appearance and is provided with a limiting rod);
fig. 3 is a sectional view of a metal rubber composite jig for preventing the surplus in the liquid cooling flow channel according to a second embodiment of the present invention (the metal mandrel has a conical column shape, and is not provided with a stopper);
fig. 4 is a mounting state diagram of the metal rubber composite jig for preventing the surplus of the liquid cooling flow channel shown in fig. 3 (the metal mandrel is in a conical column structure, and a limiting rod is not assembled);
fig. 5 is a sectional view of a metal rubber composite jig for preventing the surplus in the liquid cooling flow channel according to a third embodiment of the present invention (the metal core shaft has an outer shape of a long cylindrical structure and is provided with limiting rods having different lengths);
fig. 6 is an installation state diagram of the metal rubber composite jig for preventing the surplus of the liquid cooling flow channel shown in fig. 5 (the metal core shaft is in a long cylindrical structure in appearance and is provided with limiting rods with different lengths);
fig. 7 is a top view of fig. 6 (the metal core shaft is in an elongated cylindrical configuration and is fitted with stop rods of different lengths).
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:
1 compounded rubber, 2 metal dabber, 3 gag lever posts, 4 liquid cooling structure products, 5 liquid cooling runners, 6 standby machining structural feature, 7 liquid cooling runner interfaces, 8 preprocessing shapes.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
A metal rubber composite jig for preventing liquid cooling flow channel redundancy according to some embodiments of the present invention is described below with reference to fig. 1 to 7.
Some embodiments of the application provide a metal rubber composite jig for preventing liquid cooling runner redundancy.
As shown in fig. 1 and fig. 2, a first embodiment of the present invention provides a metal rubber composite jig for preventing liquid cooling flow channel redundancy, in this embodiment, a metal mandrel 2 has a right cylindrical shape and is equipped with a limiting rod 3.
The metal rubber composite jig for preventing the liquid cooling runner redundancy provided by the embodiment comprises a metal mandrel 2, composite rubber 1 and a limiting rod 3, and is suitable for a liquid cooling runner interface 7 of which the theoretical shape of the interface of a liquid cooling structure product 4 is circular.
Fig. 2 shows an installation state diagram of the composite jig according to this embodiment, in practical use, one end of the limiting rod 3 of the composite jig is downward and is installed into the liquid cooling runner interface 7, the limiting rod 3 is installed to the bottom until contacting with the bottom surface of the runner to limit the movement of the composite jig in the axial direction, and the side surface is tightly matched with the liquid cooling runner interface 7 through the deformation of the composite rubber 1, so that the excess is prevented from entering the liquid cooling runner 5 in the machining process, and the cleanliness of the liquid cooling runner 5 is ensured.
In fig. 2, there is a safety distance between the upper end surface of the composite jig and the bottom surface of the structural feature 6 to be machined, so as to prevent the tool from touching the composite jig during machining.
And (4) finishing machining after welding, removing the clean burrs, cleaning all redundant objects on the outer surface of the liquid-cooled product, screwing a disassembling tool with an external thread at one end into the disassembling hole at the upper end surface of the composite jig, and then directly pulling out the composite jig outwards.
As shown in fig. 3 and 4, a second embodiment of the present invention provides a metal rubber composite jig for preventing the liquid cooling flow channel from being redundant, in this embodiment, the metal mandrel 2 has a conical column shape, and is not provided with the limiting rod 3.
The metal rubber composite jig for preventing the liquid cooling runner redundancy comprises a metal mandrel 2 and a composite rubber 1, is suitable for the liquid cooling runner 5, and is characterized in that the theoretical shape of the interface is a cylinder with a large upper part and a small lower part, and a conical section is arranged in the middle of the interface of the liquid cooling runner 5 for transition.
The liquid cooling runner interface 7 is provided with a conical section, so that the conical section can be used for axial limiting, and the lower end surface of the composite jig is also formed into a conical shape. In order to reduce the friction distance between the composite rubber 1 and the side wall of the liquid cooling runner interface 7, the structural feature 6 to be machined at the mouth part of the liquid cooling runner interface 7 is preprocessed into a shape which is smaller than the size to be machined and larger than the appearance of the composite rubber 1 of the composite jig before welding, and the preprocessed shape is recorded as a preprocessed shape 8, so that the friction distance of the composite rubber 1 is effectively reduced, the smooth installation of the composite jig is facilitated, and the assembly efficiency is improved.
And (4) finishing machining after welding, removing the clean burrs, cleaning all redundant objects on the outer surface of the liquid-cooled product, screwing a disassembling tool with an external thread at one end into the disassembling hole at the upper end surface of the composite jig, and then directly pulling out the composite jig outwards.
As shown in fig. 5 to 7, a third embodiment of the present invention provides a metal-rubber composite jig for preventing the surplus in the liquid cooling flow channel, in which the metal mandrel 2 has an outer shape of a long cylindrical structure and is assembled with limiting rods 3 having different lengths.
The metal rubber composite jig for preventing the liquid cooling runner redundancy provided by the embodiment comprises a metal core shaft 2, composite rubber 1 and two limiting rods 3 with different lengths, wherein the liquid cooling structure product 4 is provided with two liquid cooling runner interfaces 7, the two liquid cooling runner interfaces 7 are identical in theoretical shape and are both oblong, and the liquid cooling runners 5 below the liquid cooling runner interfaces 7 are different in depth.
The composite jig of the two liquid cooling runner interfaces 7 adopts the same metal core shaft 2 and the same composite rubber 1, and only changes the length of the positioning rod 3, namely the positioning rod 3 and the positioning rod 3' have different lengths so as to adapt to the liquid cooling runner interfaces 7 with the same cross section and different depths.
And (4) finishing machining after welding, removing the clean burrs, cleaning all redundant objects on the outer surface of the liquid-cooled product, screwing a disassembling tool with an external thread at one end into the disassembling hole at the upper end surface of the composite jig, and then directly pulling out the composite jig outwards.
In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a compound tool of metal rubber for preventing surplus thing of liquid cooling runner which characterized in that includes:
the metal core shaft is provided with a dismounting hole at one end and is used for mounting a dismounting tool to dismount the composite jig, and a mounting hole at the other end, wherein the mounting hole is provided with a limiting rod to assist the assembly of the composite jig; or the limiting rod is not arranged in the mounting hole, and the composite jig is directly assembled;
and the elastic part is sleeved on the metal core shaft.
2. The metal-rubber composite jig for preventing liquid cooling channel remainders as claimed in claim 1, wherein a mounting groove and a limiting boss are formed on the metal mandrel, and the elastic portion is coupled to the mounting groove and stopped by the limiting boss.
3. The metal rubber composite jig for preventing the surplus of the liquid cooling flow channel according to claim 2, wherein the elastic part is made of composite rubber.
4. The metal-rubber composite jig for preventing the liquid cooling flow channel redundancy of claim 3, wherein the outer dimension of the inner holes at the two ends of the elastic part is larger than the outer dimension of the inner holes at the middle part of the elastic part.
5. The metal-rubber composite jig for preventing the surplus objects in the liquid cooling flow channel according to any one of claims 1 to 4, wherein the detaching holes have a threaded hole structure, and at least one end of the detaching tool has a threaded structure screwed with the detaching holes.
6. The metal-rubber composite jig for preventing the surplus objects in the liquid cooling flow channel according to any one of claims 1 to 4, wherein the mounting hole has a threaded hole structure, and at least one end of the limiting rod has a threaded structure screwed with the mounting hole.
7. The metal-rubber composite jig for preventing the liquid cooling flow channel surplus objects according to any one of claims 1 to 4, wherein the external dimension D2 of the metal mandrel is smaller than the dimension of the liquid cooling flow channel interface.
8. The metal-rubber composite jig for preventing the liquid cooling flow channel surplus objects according to any one of claims 1 to 4, wherein the shape of the elastic part is adapted to the shape of the flow channel interface, and the external dimension D3 of the elastic part is 0.1-0.2 mm larger than the external dimension of the liquid cooling flow channel interface.
9. The metal-rubber composite jig for preventing the liquid cooling flow channel surplus objects according to any one of claims 1 to 4, wherein the metal mandrel is of a right cylinder, a long cylinder or a conical cylinder structure.
10. The metal-rubber composite jig for preventing the liquid cooling flow channel surplus objects according to any one of claims 1 to 4, wherein the number of the limiting rods is several, and the lengths of the limiting rods are different.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111345954.2A CN114012316A (en) | 2021-11-15 | 2021-11-15 | Metal rubber composite jig for preventing liquid cooling runner redundancy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111345954.2A CN114012316A (en) | 2021-11-15 | 2021-11-15 | Metal rubber composite jig for preventing liquid cooling runner redundancy |
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