CN220029642U

CN220029642U - Radiating fin grinding device

Info

Publication number: CN220029642U
Application number: CN202321244021.9U
Authority: CN
Inventors: 李丹丹; 黄国杰; 李春光; 刘云峰; 王健; 黄蕾
Original assignee: Cnmc Innovation Research Institute Tianjin Co ltd
Current assignee: Cnmc Innovation Research Institute Tianjin Co ltd
Priority date: 2023-05-22
Filing date: 2023-05-22
Publication date: 2023-11-17
Anticipated expiration: 2033-05-22

Abstract

The utility model discloses a radiating fin polishing device, and belongs to the technical field of machining. The polishing device comprises a grinding assembly, a fin tool and a workbench, wherein the grinding assembly is arranged on the workbench and is used for grinding a surface to be processed of the radiating fins, the fin tool is movably arranged on the workbench, the installation distance between the fin tool and the grinding assembly is adjustable, and the polishing device is used for providing stations with different grinding sizes for the radiating fins. According to the utility model, flexible matching of the polishing fins and the grinding units is realized through the movably arranged fin tool, so that grinding processing of fins of different types under the same fin tool is facilitated, the fin tool is provided with the placement blocks matched with the fin structure, the fins of special structures can be rapidly positioned by utilizing the quick clamp and the limiting pins, the mounting distance of the two limiting pins is one grinding amount, and two positioning of the fins can be realized by using different limiting pins, so that the two positioning problems in the grinding processing process are effectively solved, and the practicability of the grinding device is improved.

Description

Radiating fin grinding device

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a radiating fin polishing device.

Background

Patent document CN111390048B discloses an assembling and pressing process for laminated heat radiators, wherein each laminated heat radiator has 18 fins, 10 fins of which have a length of 228.5mm and 8 fins of 215.5mm. And the two ends of each fin are 45 degrees with the longitudinal direction of the fin, the included angle is obtained by processing a sawing machine, burrs are easily generated when the sawing machine processes the aluminum fin, and therefore the saw face is required to be ground to improve the accuracy of the fin.

In the prior art, because the fins of the pressing type radiator are not of a single type, the flexible matching requirement of the polishing fins on the clamp and the grinding unit is higher, the surfaces of the fins are of a wave-shaped structure, and the fins are difficult to quickly position by using the traditional clamp during grinding; in addition, each fin is provided with two parallel surfaces to be processed, when the first surface to be processed is ground, the fins are required to be repositioned when the second surface to be processed is ground due to the change of the size of the fins, so that the inconvenience in use of the grinding device is reflected.

Disclosure of Invention

The utility model aims to: a polishing device for cooling fins is provided to solve the above problems in the prior art.

The technical scheme is as follows: the utility model provides a radiating fin grinding device, includes grinding subassembly, fin frock and workstation, install grinding subassembly on the workstation for grinding radiating fin's surface to be processed, the activity is provided with the fin frock on the workstation, the installation interval of fin frock and grinding subassembly is adjustable, is used for providing the station of different grinding sizes for radiating fin.

Further, the radiating fins are of a parallelepiped structure, the matching end faces of the radiating fins and the surface to be processed form an included angle of 45 degrees, the middle of each matching end face is of a wave-shaped structure, and clamping parts are arranged on two sides of each wave-shaped structure.

Further, the fin frock is including placing piece, quick clamp and spacer pin, the up end of placing the piece is the mating surface, the structure and the mating surface of mating surface match, the pinhole has been seted up on the mating surface, the spacer pin sets up in the pinhole, install quick clamp on placing the piece, quick clamp cooperates with clamping part for fixed radiating fin.

Further, the number of the pin holes formed in the matching surface is two, and the distance between the two pin holes along the perpendicular lines of the waveform on the matching surface is the grinding amount.

Further, the model adjustment tank has been seted up to the lower terminal surface of placing the piece, the slide rail cooperation on model adjustment tank and the workstation, fin frock passes through model adjustment tank swing joint on the workstation, threaded mounting has the locking screw on the placing the piece, the tip of locking screw extends to the slide rail cooperation on model adjustment tank and the workstation.

Furthermore, scale marks are arranged on the sliding rail of the workbench.

Further, the grinding assembly comprises a moving module, an inclined frame, a grinding wheel and a driving device, wherein the moving module is fixedly arranged on the workbench, the inclined frame is arranged at the output end of the workbench, the grinding wheel is arranged on the inclined frame and is matched with the surface to be processed, and the grinding wheel is in transmission connection with the driving device.

The beneficial effects are that: according to the utility model, flexible matching of the polishing fins and the grinding unit is realized through the movably arranged fin tool, so that the grinding processing of fins of different types under the same fin tool is facilitated, the fin tool is provided with the placement block matched with the fin structure, and the fins with special structures can be rapidly positioned by utilizing the quick clamp and the limiting pins; in addition, the installation distance of the two limiting pins is one grinding amount, and the fins can be positioned twice by using different limiting pins, so that the problem of twice positioning in the grinding process is effectively solved, and the practicability of the grinding device is improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic structural view of a heat dissipation fin fixed on a fin fixture in the present utility model.

Fig. 3 is a schematic structural diagram of a fin tooling according to the present utility model.

Fig. 4 is a schematic view of the structure of the grinding assembly of the present utility model.

Fig. 5 is a schematic view of a heat dissipating fin according to the present utility model.

The reference numerals are: 1. a grinding assembly; 11. a motion module; 12. an inclined frame; 13. grinding wheel; 14. a driving device; 2. a fin tool; 21. placing a block; 22. a quick clamp; 23. a limiting pin; 24. a locking screw; 25. a mating surface; 26. a model adjusting groove; 3. a work table; 4. a heat radiation fin; 41. a mating end face; 42. a surface to be processed; 43. and a clamping part.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

As shown in fig. 1-5, a cooling fin polishing device comprises a grinding component 1, a fin tool 2 and a workbench 3, wherein the grinding component 1 is installed on the workbench 3 and is used for grinding a surface 42 to be processed of a cooling fin 4, the fin tool 2 is movably arranged on the workbench 3, and the installation interval between the fin tool 2 and the grinding component 1 is adjustable and is used for providing stations with different grinding sizes for the cooling fin 4.

The flexible matching of the radiating fins 4 of two types and the grinding component 1 can be realized by the fin tool 2 which is movably arranged, the production of the pressing-type radiator is convenient, the fin tool 2 has the characteristic of structural matching with the radiating fins 4, the two surfaces 42 to be processed of the radiating fins 4 can be rapidly positioned by utilizing the two limiting pins 23, and the grinding device has the advantages of high efficiency and convenience in use aiming at the structure and the processing characteristics of the radiating fins 4.

As shown in fig. 5, the heat dissipation fin 4 has a parallelepiped structure, the mating end face 41 of the heat dissipation fin 4 forms an included angle of 45 ° with the surface 42 to be processed, the middle part of the mating end face 41 has a wave structure, and two sides of the wave structure are clamping parts 43. The wave-shaped structure of the radiating fin 4 is beneficial to radiating, and the 45-degree included angle between the matching end surface 41 and the surface 42 to be processed is beneficial to laminating quality.

As shown in fig. 3, the fin fixture 2 includes a placement block 21, a quick clamp 22 and a limiting pin 23, the upper end surface of the placement block 21 is a mating surface 25, the structure of the mating surface 25 is matched with the mating end surface 41, a pin hole is formed in the mating surface 25, the limiting pin 23 is arranged in the pin hole, the quick clamp 22 is mounted on the placement block 21, and the quick clamp 22 is matched with the clamping portion 43 for fixing the heat dissipation fin 4. After the radiating fins 4 are placed on the placement block 21, the structure of the matching surface 25 is matched with the structure of the matching end surface 41, so that the radiating fins 4 can only move along a single direction, and the position of the radiating fins 4 is quickly determined by limiting the limiting pins 23 in the single direction, and then the radiating fins 4 are clamped by the quick clamp 22.

The number of the pin holes formed in the mating surface 25 is two, and the distance between the two pin holes along the perpendicular lines of the waveform on the mating surface 25 is the grinding amount. The pin holes provide mounting stations for the limiting pins 23, the two limiting pins 23 are used for limiting the two surfaces 42 to be processed respectively, and the cutting lines of the sawing machine on the surfaces 42 to be processed are contacted with the limiting pins 23, because burrs are more on the cutting lines of the sawing machine, the cutting lines are more smooth, the contact of the flatter side lines with the limiting pins 23 is beneficial to improving the positioning accuracy of the radiating fins 4, and particularly, the grinding quantity is single processing quantity of grinding processing, and the grinding quantity can be selected to be 0.5mm according to the two sizes of the radiating fins 4 in the prior art.

As shown in fig. 1 and 3, a model adjusting groove 26 is formed in the lower end face of the placement block 21, the model adjusting groove 26 is matched with a sliding rail on the workbench 3, the fin tooling 2 is movably connected to the workbench 3 through the model adjusting groove 26, a locking screw 24 is mounted on the placement block 21 in a threaded manner, and the end portion of the locking screw 24 extends to the model adjusting groove 26 to be matched with the sliding rail on the workbench 3. The fin frock 2 realizes swing joint through the cooperation of model adjustment tank 26 and slide rail with workstation 3, and the location of fin frock 2 on workstation 3 can be realized through locking screw 24.

Wherein, scale marks are arranged on the sliding rail of the workbench 3. The scale marks are used for clearly indicating the positions of the fin tooling 2 and are matched with the size of the grinding wheel 13, so that the positioning adjustment after the loss of the grinding wheel 13 is facilitated.

As shown in fig. 1 and 4, the grinding assembly 1 comprises a moving module 11, an inclined frame 12, a grinding wheel 13 and a driving device 14, wherein the moving module 11 is fixedly arranged on a workbench 3, the inclined frame 12 is arranged at the output end of the workbench 3, the grinding wheel 13 is arranged on the inclined frame 12, the grinding wheel 13 is matched with a surface 42 to be processed, and the grinding wheel 13 is in transmission connection with the driving device 14. The inclined frame 12 can match the setting angle of the grinding wheel 13 with the surface 42 to be processed, the driving device 14 consists of a motor and a gearbox, and is used for providing power for the grinding wheel 13, and the grinding wheel 13 rotating at high speed grinds the surface 42 to be processed of the radiating fin 4 under the drive of the moving module 11.

When the utility model is used, firstly, the effective diameter of the grinding wheel 13 is measured, then the installation position of the moving module 11 is taken as an origin, the setting position of the fin tool 2 is calculated according to the size of the radiating fin 4, then the fin tool 2 is positioned by utilizing the scale marks of the sliding rail on the workbench 3, and the fin tool 2 is fixed on the workbench 3 by utilizing the locking screw 24; then placing the radiating fin 4 on the placing block 21, enabling the matching end surface 41 to be in contact with the matching surface 25, removing the limiting pin 23 close to the grinding assembly 1, enabling the surface to be processed 42 which does not participate in grinding at this time to be in contact with the limiting pin 23 far away from the grinding assembly 1, then fixing the radiating fin 4 on the placing block 21 by using the quick clamp 22, and then starting the grinding assembly 1, wherein the driving device 14 enables the grinding wheel 13 to rotate at a high speed, and the movement module 11 carries the grinding wheel 13 to process the surface to be processed 42 which participates in grinding; after the grinding of one surface 42 to be processed is finished, the quick clamp 22 is loosened, the radiating fin 4 is taken down, the limiting pin 23 is installed in the pin hole near the grinding assembly 1, the ground surface 42 to be processed is abutted against the limiting pin 23, the radiating fin 4 is fixed through the quick clamp 22 again, and the surface 42 to be processed which is not ground is processed through the grinding assembly 1.

The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the specific details of the above embodiments, and various equivalent changes can be made to the technical solutions of the present utility model within the scope of the technical concept of the present utility model, and these equivalent changes all fall within the scope of the present utility model.

Claims

1. The utility model provides a radiating fin grinding device, its characterized in that, including grinding subassembly (1), fin frock (2) and workstation (3), install grinding subassembly (1) on workstation (3) for the surface (42) of treating of grinding radiating fin (4), the activity is provided with fin frock (2) on workstation (3), the installation interval of fin frock (2) and grinding subassembly (1) is adjustable, is used for providing the station of different grinding sizes for radiating fin (4).

2. The polishing device for the radiating fins according to claim 1, wherein the radiating fins (4) are of a parallelepiped structure, a matching end face (41) of the radiating fins (4) forms an included angle of 45 degrees with a surface (42) to be processed, the middle part of the matching end face (41) is of a wave-shaped structure, and clamping parts (43) are arranged on two sides of the wave-shaped structure.

3. The cooling fin polishing device according to claim 2, wherein the fin fixture (2) comprises a placement block (21), a quick clamp (22) and a limiting pin (23), the upper end face of the placement block (21) is a matching surface (25), the matching surface (25) is matched with the matching end face (41), a pin hole is formed in the matching surface (25), the limiting pin (23) is arranged in the pin hole, the quick clamp (22) is mounted on the placement block (21), and the quick clamp (22) is matched with the clamping part (43) for fixing the cooling fin (4).

4. A fin grinding apparatus according to claim 3, wherein the number of the pin holes formed in the mating surface (25) is two, and the distance between the two pin holes along the perpendicular of the waveform on the mating surface (25) is the grinding amount.

5. The cooling fin polishing device according to claim 4, wherein a model adjusting groove (26) is formed in the lower end face of the placement block (21), the model adjusting groove (26) is matched with a sliding rail on the workbench (3), the fin tool (2) is movably connected to the workbench (3) through the model adjusting groove (26), a locking screw (24) is mounted on the placement block (21) in a threaded mode, and the end portion of the locking screw (24) extends to the model adjusting groove (26) to be matched with the sliding rail on the workbench (3).

6. A fin grinding device according to claim 5, wherein graduation marks are provided on the slide rail of the table (3).

7. The cooling fin polishing device according to claim 6, wherein the grinding assembly (1) comprises a moving module (11), an inclined frame (12), a grinding wheel (13) and a driving device (14), the moving module (11) is fixedly installed on the workbench (3), the inclined frame (12) is installed at the output end of the workbench (3), the grinding wheel (13) is installed on the inclined frame (12), the grinding wheel (13) is matched with the surface (42) to be processed, and the grinding wheel (13) is in transmission connection with the driving device (14).