CN110538941A - Tooth pressing method and device for fin-inserted radiator - Google Patents
Tooth pressing method and device for fin-inserted radiator Download PDFInfo
- Publication number
- CN110538941A CN110538941A CN201910982673.4A CN201910982673A CN110538941A CN 110538941 A CN110538941 A CN 110538941A CN 201910982673 A CN201910982673 A CN 201910982673A CN 110538941 A CN110538941 A CN 110538941A
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- China
- Prior art keywords
- pressing
- blade
- tooth
- radiator
- fin
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- 238000003825 pressing Methods 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000005338 heat storage Methods 0.000 claims abstract description 12
- 238000003780 insertion Methods 0.000 claims description 3
- 238000010862 gear shaping Methods 0.000 abstract description 13
- 239000000758 substrate Substances 0.000 abstract description 10
- 238000012545 processing Methods 0.000 abstract description 2
- 230000017525 heat dissipation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
- B21D39/038—Perpendicular plate connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/04—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of sheet metal
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The invention belongs to the technical field of radiating fin assembly, and particularly relates to a tooth pressing method and device for a finned radiator. The method comprises the steps of sequentially placing the heat radiating fins on the heat storage substrate, driving the pressing cutter to move downwards in a gap between every two adjacent heat radiating fins, and extruding the gear shaping by the pressing cutter to deform the gear shaping so as to rivet and fix the gear shaping with the slots. The device comprises an X-direction workpiece table, a YZ-direction riveting mechanism positioned above the X-direction workpiece table and a knife pressing mechanism fixed on the YZ-direction riveting mechanism. According to the technical scheme provided by the invention, the pressing cutter is used for extruding the fixed point position on the gear shaping of the radiating fin to realize the gear pressing operation, and the method for fixing the pressing distance by the stroke of the pressing gear in the prior art is changed into a method for controlling the pressing distance in real time through pressure, so that the method can be better suitable for the actual different situations of different radiating fins and slot sizes, and can be suitable for processing and producing various shapes of finned radiators in the market.
Description
Technical Field
The invention belongs to the technical field of radiating fin assembly, and particularly relates to a tooth pressing method and device for a finned radiator.
Background
Communication equipment, air conditioner refrigeration plant etc. can produce a large amount of heats in the use, in order to guarantee the normal use and the increase of service life of equipment, can set up the fin in communication equipment, air conditioner refrigeration plant. The heat dissipation structure is generally made of aluminum alloy, and comprises a heat storage substrate and heat dissipation fins arranged on the heat storage substrate in a hollow grid mode, and is mainly formed by direct extrusion molding, a lamination type and an insertion type.
Extrusion type is gradually eliminated because the extrusion die is limited in manufacturing process, the extrusion tongue ratio (tooth height and tooth space) is difficult to be made large, that is, the tooth density is limited, the area/volume ratio of the heat sink cannot be increased, and the extrusion equipment is limited. The lamination formula is that every fin bottom of processing has concave-convex structure's footing, then stacks one by one, and footing portion realizes connecting through unsmooth tenon fourth of the twelve earthly branches structure, can discover that the gap between the lamination can't be eliminated, and also the energy storage effect is not good enough to whole uniformity, the easy atress of bottom warp, also is not very ideal structure.
The radiator structure that is widely used in the existing market is the inserted sheet formula, and the inserted sheet formula radiator has generally included heat accumulation base plate and fixed a plurality of fin on the heat accumulation base plate, be equipped with a plurality of slots on the heat accumulation base plate, fin one end is equipped with the gear shaping with slot interference fit, the fin is through inserting the gear shaping slot realization and heat dissipation bottom plate's fixed connection.
The tight connection between the radiating fins and the heat storage substrate and the influence of necessary gaps between the radiating fins on the radiating effect are obvious, so that the installation mode of the radiating fins is of great importance, the current installation mode is to pre-insert the radiating fins into the slots, the radiating fins are pressed down for a fixed distance from a falling point to be required, and the inserting teeth of the radiating fins are embedded into the slots, and if vertical bars of the radiating fins are inclined, the products are easily crushed by directly pressing down.
Disclosure of Invention
The invention provides a tooth pressing method and a tooth pressing device for a finned radiator, which are used for solving the problem that products are extremely easy to crush by the conventional assembly method.
In order to solve the technical problems, the technical scheme of the invention is as follows: the tooth pressing method of the finned radiator comprises the following steps of: the heat radiating fins are sequentially placed on the heat storage base plate, namely the inserting teeth are inserted into the corresponding slots, the pressing knives are driven to move downwards in gaps between the adjacent heat radiating fins, the pressing knives extrude the inserting teeth to deform and then are riveted and fixed with the slots, and when the stress strength of the pressing riveting ends of the pressing knives reaches a preset value, the pressing knives stop pressing and reset to finish one tooth pressing operation. Because the matching of each slot and the gear shaping and the state of the insertion are different, if the fixed descending stroke can cause the non-uniform pressing and the loose tightness, the risk of crushing the product can exist in the transition, and the close matching of each gear shaping and the slot can be ensured by controlling the motion stroke through the stress consistency of the pressing cutter, and the possibility of crushing the product can also exist.
Optionally, the press blade is driven by an oil press.
Optionally, the rivet pressing end of the pressing knife enters from the middle position of the adjacent cooling fin, and then is close to the point pressed by the pressing knife and pressed down at the point.
Optionally, the point where the pressing blade presses is located at the joint of the gear shaping and the heat sink.
optionally, the one-piece heat sink is assembled by one or more tooth-pressing operations.
The invention also provides a tooth pressing device of the inserted fin type radiator, which comprises an X-direction workpiece platform, a YZ-direction riveting mechanism positioned above the X-direction workpiece platform and a cutter pressing mechanism fixed on the YZ-direction riveting mechanism, wherein the X-direction workpiece platform is used for bearing and fixing the radiator and can enable the radiator to move along the X direction, the YZ-direction riveting mechanism drives the cutter pressing mechanism to apply pressure to the radiator in the Z direction to complete tooth pressing operation, and the cutter pressing mechanism can move along the Y direction. The relative movement of the workpiece table and the riveting mechanism can automatically and continuously press teeth on the radiating fins on the whole radiator.
Optionally, the X-direction workpiece stage includes an operation table, a slide fixed on the operation table, a moving table disposed on the slide, and an X-direction moving cylinder connected to the moving table, and the heat sink is fixed on the surface of the moving table.
optionally, an air cylinder support frame is fixed to the side face of the operating platform, the X-direction moving air cylinder is arranged on the air cylinder support frame, a plate-shaped traction plate is arranged on the side face of the moving platform, and the traction plate is linked with a piston rod of the X-direction moving air cylinder. The stable and accurate movement of the mobile station in the X direction can be ensured through the cylinder support frame and the traction plate with larger contact area.
Optionally, the YZ riveting mechanism includes a Z-direction oil press, a guide rail connected to the oil press, a slider disposed in the guide rail, and a Y-direction moving cylinder connected to the slider, and the blade pressing mechanism is fixed to the slider.
optionally, a plurality of mounting holes are formed in the sliding block. The plurality of mounting holes facilitate mounting of different sizes of pressing knives.
Optionally, the blade pressing mechanism comprises a sheet-shaped blade pressing and a pressure sensor which are fixedly connected with the riveting mechanism through a fixing block, and the pressure sensor detects the pressure applied to the riveting end of the blade pressing and is used for judging whether to continue pressing or stop pressing.
Optionally, the fixed blocks are divided into a left fixed block and a right fixed block. The pressing knives with different lengths can be loaded by adjusting the distance between the left fixing block and the right fixing block, and the adaptability is stronger.
Optionally, the fixed block is fixedly connected with the pressing knife in a mode that the sliding groove is matched with the drawing strip. The method can quickly and conveniently replace the pressing knife.
according to the technical scheme provided by the invention, the teeth pressing operation is realized by extruding the fixed point position on the gear shaping of the radiating fin through the pressing cutter, and the method for fixing the pressing distance of the stroke of the pressing teeth in the prior art is changed into a method for controlling the pressing distance in real time through pressure, so that the method can be better suitable for the different situations of different radiating fins and the difference of the sizes of slots in practice.
Drawings
FIG. 1 is a schematic structural diagram of a tooth pressing device of a finned heat sink according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of an X-direction workpiece stage according to the present invention;
FIG. 3 is a schematic structural view of an embodiment of the YZ-direction workpiece stage and the blade pressing mechanism according to the present invention;
FIG. 4 is a cross-sectional view of the blade pressing mechanism of the present invention;
FIG. 5 is a schematic diagram illustrating a first step in the tooth pressing process of the embodiment;
FIG. 6 is a schematic diagram of a moving route of a pressing knife in a tooth pressing operation in one embodiment;
FIG. 7 is a schematic view of the Y-direction motion in the embodiment;
Fig. 8 is a schematic diagram of the movement in the X direction in the embodiment.
Shown in the figure:
The device comprises a 10-X-direction workpiece table, a 11-operation table, a 12-slideway, a 13-moving table, a 14-X-direction moving cylinder, a 15-cylinder support frame, a 16-traction plate, a 20-YZ-direction riveting mechanism, a 21-guide rail, a 22-sliding block, a 23-Y-direction moving cylinder, a 24-mounting hole, a 30-pressing knife mechanism, a 31-left fixed block, a 32-right fixed block, a 33-pressing knife, a 41-heat storage substrate, a 42-radiating fin, a 43-slot, a 44-gear and a 45-point position.
Detailed Description
For the convenience of understanding, the tooth pressing method and device of the finned heat sink are described in the following with reference to the following embodiments, which are only used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
in the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixed or detachably or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the tooth pressing device of the fin-inserted heat sink includes an X-direction work stage 10, a YZ-direction riveting mechanism 20 located above the X-direction work stage 10, and a blade pressing mechanism 30 fixed to the YZ-direction riveting mechanism 20, wherein the X-direction work stage 10 is used for carrying and fixing the heat sink and can move the heat sink in an X-direction, the YZ-direction riveting mechanism 20 drives the blade pressing mechanism 30Z to press the heat sink to complete a tooth pressing operation, and can move the blade pressing mechanism in a Y-direction.
As shown in fig. 2, the X-direction workpiece stage 10 includes an operation table 11, a slide 12 fixed on the operation table 11, a moving table 13 disposed on the slide 12, an X-direction moving cylinder 14 connected to the moving table 13, and a cylinder support frame 15 fixed to a side surface of the operation table, the heat sink is fixed to a surface of the moving table 13, the X-direction moving cylinder 14 is disposed on the cylinder support frame 15, a plate-shaped pulling plate 16 is disposed on a side surface of the moving table 13, and the pulling plate 16 is linked with a piston rod of the X-direction moving cylinder 14.
As shown in fig. 3, the YZ-direction riveting mechanism 20 includes a Z-direction hydraulic press (not shown), a guide rail 21 connected to the hydraulic press, and a Y-direction moving cylinder 23 provided in the guide rail 21 and connected to a slider 22, wherein the blade pressing mechanism 30 is fixed to the slider 22, and the slider 22 is provided with a plurality of mounting holes 24.
with reference to fig. 3, the blade pressing mechanism 30 includes a left fixing block 31 fixed at the left end of the slider 22, a right fixing block 32 fixed at the right end of the slider 22, a sheet-shaped blade pressing 33 fixed below the left fixing block 31 and the right fixing block 32, and a pressure sensor (not shown), and the pressure sensor detects the pressure applied to the rivet pressing end of the blade pressing 33 and is used for determining whether to press down continuously or stop pressing down.
As shown in fig. 4, the fixing blocks 31 and 32 are fixedly connected with the pressing blade 33 through a sliding groove and a strip.
For explaining the tooth pressing method, the structure of the plate-fin heat sink is described below, and as shown in fig. 5, the plate-fin heat sink includes a heat storage substrate 41 and a plurality of heat dissipation fins 42 fixed on the heat storage substrate 41, a plurality of slots 43 are formed on the heat storage substrate 41, and one end of each heat dissipation fin 42 is provided with a protruding tooth 44 engaged with the slot 43. It should be noted that the structure shown in the drawings is only a specific case of the finned radiator, and the fin pitch, the slot size and the structure, and the tooth size and the structure can be changed according to the needs and the design, that is, the technical solution provided by the present invention can be used for various finned radiators.
Taking the above-mentioned tooth pressing device of the finned radiator as an example, the tooth pressing method of the finned radiator comprises the following steps: with continued reference to fig. 5, the heat dissipation fins 42 are sequentially arranged in parallel on the heat storage substrate 41 along the X direction, i.e., the plug teeth 44 are inserted into the corresponding slots 43; as shown in fig. 6, the pressing blade 33 is driven to enter the middle position of the adjacent heat sink 42, and then the pressing blade 33 is close to the point 50 pressed by the pressing blade 33 in the arrow direction and moves downward at the point 45, in this embodiment, the point 45 is located at the joint of the gear shaping 44 and the heat sink 42, the pressing blade 33 presses the gear shaping 44 to deform and rivet and fix the gear shaping with the slot 43, when the pressure detector detects that the force strength of the top end of the pressing blade 33 reaches a preset value, the pressing blade 33 stops pressing and rises to the initial position, and thus, a gear pressing operation is completed.
As shown in fig. 7, in this embodiment, since the heat sink 42 is long, the YZ caulking mechanism 20 is driven until the mechanism 30 moves to the right end in the Y direction, and then the teeth pressing operation is performed once to fix the right portion of the heat sink 42 to the heat storage substrate 41.
As shown in fig. 8, the X-direction work table 10 drives the heat sink to move in the X-direction, so that the pressing blade 33 is positioned above the next adjacent heat sink to perform the next gear pressing operation.
It should be noted that the sequence of the X-direction movement and the Y-direction movement can be flexibly changed according to the distribution and size design requirements of the radiating fins of the radiator, and the automatic control is completed.
Finally, it should be noted that: the above examples are only for illustrating the technical solutions of the present invention, and are not limited thereto. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, and such modifications or replacements may not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A tooth pressing method of a finned radiator is characterized by comprising the following steps: the heat radiating fins are sequentially placed on the heat storage base plate, namely the inserting teeth are inserted into the corresponding slots, the pressing knives are driven to move downwards in gaps between the adjacent heat radiating fins, the pressing knives extrude the inserting teeth to deform and then are riveted and fixed with the slots, and when the stress strength of the pressing riveting ends of the pressing knives reaches a preset value, the pressing knives stop pressing and reset to finish one tooth pressing operation.
2. A method for forming teeth of fin-inserted heat sink according to claim 1, wherein the pressing blade is driven by an oil press.
3. A tooth pressing method for a fin inserting type heat sink according to claim 1, wherein the pressing end of the pressing blade is first entered from a middle position of the adjacent fin, and then is pressed down at a point close to a point where the pressing blade is pressed.
4. A method for pressing teeth of a finned radiator according to claim 3 wherein the point where the pressing blade presses is located at the junction of the fin and the gear.
5. A method of swaging fins of a finned heat sink according to claim 1 wherein the individual fins are assembled by one or more swaging operations.
6. A tooth pressing device of a fin-inserted radiator is characterized by comprising an X-direction workpiece table, a YZ-direction riveting mechanism and a cutter pressing mechanism, wherein the YZ-direction riveting mechanism is positioned above the X-direction workpiece table, the cutter pressing mechanism is fixed on the YZ-direction riveting mechanism, the X-direction workpiece table is used for bearing and fixing a radiator and can enable the radiator to move along the X direction, the YZ-direction riveting mechanism drives the cutter pressing mechanism to apply pressure to the radiator in the Z direction to complete tooth pressing operation, and the cutter pressing mechanism can move along the Y direction.
7. the tooth pressing device for the finned radiator according to claim 6, wherein the X-direction workpiece stage comprises an operation table, a slide way fixed on the operation table, a moving table arranged on the slide way and an X-direction moving cylinder connected with the moving table, and the radiator is fixed on the surface of the moving table.
8. A tooth pressing device for a finned radiator according to claim 6, wherein the YZ riveting mechanism comprises a Z-direction oil press, a guide rail connected with the oil press, a slide block arranged in the guide rail and a Y-direction moving cylinder connected with the slide block, and the knife pressing mechanism is fixed on the slide block.
9. The tooth pressing device of the finned radiator according to claim 6, wherein the blade pressing mechanism comprises a blade pressing blade and a pressure sensor, the blade pressing blade and the pressure sensor are fixedly connected with the riveting mechanism through a fixing block, and the pressure sensor detects the pressure applied to the riveting end of the pressing blade and is used for judging whether to continue pressing or stop pressing.
10. The fin-insertion type heat sink tooth-pressing device according to claim 9, wherein the fixing blocks are divided into a left fixing block and a right fixing block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910982673.4A CN110538941A (en) | 2019-10-16 | 2019-10-16 | Tooth pressing method and device for fin-inserted radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910982673.4A CN110538941A (en) | 2019-10-16 | 2019-10-16 | Tooth pressing method and device for fin-inserted radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110538941A true CN110538941A (en) | 2019-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910982673.4A Pending CN110538941A (en) | 2019-10-16 | 2019-10-16 | Tooth pressing method and device for fin-inserted radiator |
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| Country | Link |
|---|---|
| CN (1) | CN110538941A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002190561A (en) * | 2000-12-19 | 2002-07-05 | Furukawa Electric Co Ltd:The | Caulking joint type heat sink |
| JP2003142863A (en) * | 2001-11-08 | 2003-05-16 | Fujikura Ltd | Heat sink and fin module |
| JP2004022830A (en) * | 2002-06-17 | 2004-01-22 | Fujikura Ltd | Heat sink |
| CN102538558A (en) * | 2012-02-10 | 2012-07-04 | 东莞汉旭五金塑胶科技有限公司 | Improved design of radiator stamped and combined with radiating fins |
| CN106563735A (en) * | 2015-10-13 | 2017-04-19 | 上海夙臻机械制造有限公司 | Punch-riveting system applicable to manufacture of automobile parts and components, and operation method for same |
| CN207840009U (en) * | 2018-01-04 | 2018-09-11 | 无锡职业技术学院 | The automatic riveter of Three Degree Of Freedom |
| CN209272373U (en) * | 2018-12-26 | 2019-08-20 | 扬州柯尼克机械科技有限公司 | A kind of planer-type squeeze riveter |
| CN209393864U (en) * | 2018-12-18 | 2019-09-17 | 无锡德斯凯动力科技有限公司 | Nozzle ring squeeze riveter |
| CN210702209U (en) * | 2019-10-16 | 2020-06-09 | 苏州宇之能五金有限公司 | Tooth pressing device of inserted sheet type radiator |
-
2019
- 2019-10-16 CN CN201910982673.4A patent/CN110538941A/en active Pending
Patent Citations (9)
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|---|---|---|---|---|
| JP2002190561A (en) * | 2000-12-19 | 2002-07-05 | Furukawa Electric Co Ltd:The | Caulking joint type heat sink |
| JP2003142863A (en) * | 2001-11-08 | 2003-05-16 | Fujikura Ltd | Heat sink and fin module |
| JP2004022830A (en) * | 2002-06-17 | 2004-01-22 | Fujikura Ltd | Heat sink |
| CN102538558A (en) * | 2012-02-10 | 2012-07-04 | 东莞汉旭五金塑胶科技有限公司 | Improved design of radiator stamped and combined with radiating fins |
| CN106563735A (en) * | 2015-10-13 | 2017-04-19 | 上海夙臻机械制造有限公司 | Punch-riveting system applicable to manufacture of automobile parts and components, and operation method for same |
| CN207840009U (en) * | 2018-01-04 | 2018-09-11 | 无锡职业技术学院 | The automatic riveter of Three Degree Of Freedom |
| CN209393864U (en) * | 2018-12-18 | 2019-09-17 | 无锡德斯凯动力科技有限公司 | Nozzle ring squeeze riveter |
| CN209272373U (en) * | 2018-12-26 | 2019-08-20 | 扬州柯尼克机械科技有限公司 | A kind of planer-type squeeze riveter |
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