CN215315195U - Novel riveting equipment of fin - Google Patents

Abstract

The utility model discloses novel riveting equipment for a radiating fin, which comprises a rack, a vibration feeding mechanism, a riveting upper die, a clamping lower die, a riveting machine, an aluminum block and the radiating fin, wherein a rectangular through hole is formed in the radiating fin, a square boss is arranged on the aluminum block, and the square boss on the aluminum block is arranged in the through hole on the radiating fin. The utility model adopts the square boss riveted on the aluminum block to match the rectangular through hole arranged on the radiating fin to realize quick installation and riveting, improves the product structure, optimizes the processing procedure, achieves the purpose of reducing working hours, saves the production cost, realizes semi-automatic riveting of two products by arranging the frame, the vibration feeding mechanism, the riveting upper die, the clamping lower die and the riveting machine, has high positioning precision and good riveting effect, solves the problem of difficult manual assembly of accessories, reduces the number of workers, improves the manufacturing quality, improves the production efficiency and creates economic benefits.

Description

Novel riveting equipment of fin

Technical Field

The utility model relates to the technical field of riveting processes, in particular to novel riveting equipment for a radiating fin.

Background

Traditional riveting mode utilizes axial force to be thick and form the pin fin with the downthehole nail pole mound of part rivet, makes a plurality of parts be connected, and most such as fin are bent when being connected with other annexes, adopt the riveting mode more, and the mode that fin and crowded type material riveting prior art adopted more is: after the extruded aluminum type material is cut into a small aluminum block with the required length and size, a through hole is processed on the small aluminum block by using a CNC (computer numerical control) machine, a convex point is formed at the riveting point of the radiating fin body, and finally the small aluminum block and the radiating fin body are riveted by using a riveting machine and a die through rivets. This riveting method has the following disadvantages: 1. the small aluminum block needs to be subjected to CNC punching processing, the process flow is long, and the production cost is increased; 2. rivet marks can be left at the riveting position of the rivet, so that the surface flatness and the unsmooth and attractive surface are influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides novel riveting equipment for a heat sink, which is used for solving the problems in the background art.

The utility model discloses: the novel riveting equipment for the radiating fins comprises a rack, a vibration feeding mechanism, a riveting upper die, a clamping lower die, a riveting machine, an aluminum block and the radiating fins, wherein rectangular through holes are formed in the radiating fins, square bosses are arranged on the aluminum block, the square bosses on the aluminum block are arranged in the through holes in the radiating fins, a platen is horizontally arranged on the rack, the clamping lower die is horizontally arranged on the platen, the riveting machine is arranged above the clamping lower die, the riveting upper die is arranged on a machine head of the riveting machine, the vibration feeding mechanism is arranged on the platen on one side of the clamping lower die and comprises a vibration disc and a linear vibrator, the vibration disc is fixedly arranged on the platen, one end of a material conveying channel of the linear vibrator is connected with a discharge hole of the vibration disc, the other end of the material conveying channel is connected with a feed hole of the clamping lower die, and the clamping lower die comprises a lower die holder, The riveting die comprises a displacement mechanism, a positioning mechanism and a lower die fixing block, wherein a feeding groove is formed in the lower die fixing block, and a riveting head is arranged on the riveting upper die.

Preferably, the feed chute is arranged along the Y axis and is superposed with the extension line of the conveying channel of the linear vibrator in the Y axis direction, and an L-shaped limiting block in the Y axis direction is arranged above the feed chute and is fixedly installed on the lower die fixing block.

Preferably, the lower die base is fixedly installed on the platen, the lower die fixing block is fixedly installed on the lower die base, a rectangular groove along the X-axis direction is further formed in the lower die fixing block and is vertically communicated with the feeding groove, and the displacement mechanism is arranged in the rectangular groove.

Preferably, displacement mechanism includes cylinder and U type boss installation piece, U type boss installation piece movable mounting is in the rectangular channel, cylinder fixed mounting is in the side of lower mould fixed block, the piston rod of cylinder runs through the perpendicular fixed mounting in side of lower mould fixed block and U type boss installation piece, and the flexible action of cylinder drives U type boss installation piece and removes along the rectangular channel.

Preferably, the positioning mechanism comprises a first convex limiting block, a second convex limiting block, a first limiting plate, a second limiting plate and a supporting block, the first convex limiting block is connected to the inner side face of the rectangular groove in a clamped mode, the second convex limiting block is connected to the side face of the U-shaped boss mounting block in a clamped mode, the surface of the second convex limiting block blocks the aluminum block in the middle of the U-shaped boss mounting block to be mounted and displaced along the Y axis, the lower die fixing block is close to one end of the cylinder and provided with a step, the first limiting plate and the second limiting plate are vertically and fixedly mounted on the step face of the lower die fixing block along the X axis, and the supporting block is vertically and fixedly mounted on the step face outside the first limiting plate and the second limiting plate.

Preferably, the riveting upper die comprises a riveting head and a pressing rod, the riveting head and the pressing rod are fixedly mounted on a riveting head fixing plate of the riveting upper die, the riveting head coincides with a riveting point of the aluminum block along the Z-axis direction, and the pressing rod and the supporting block coincide along an extension line of the Z-axis direction.

Preferably, the rivet joint fixing plate is also vertically and fixedly provided with a guide pillar, the lower die fixing block is provided with a guide hole, and the guide pillar is movably arranged in the guide hole.

Preferably, the square boss and the rectangular through hole are in clearance fit, the clearance is not larger than one tenth of the diagonal length L of the rectangular through hole, and the square boss is convenient to mount in the rectangular through hole.

Preferably, the height D of the square boss along the Z-axis direction is greater than the depth D of the rectangular through hole, and 1.04D < D < 1.06D.

The utility model has the following beneficial effects: the utility model adopts the square boss riveted on the aluminum block to match the rectangular through hole arranged on the radiating fin to realize quick installation and riveting, improves the product structure, optimizes the processing procedure, achieves the purpose of reducing working hours, saves the production cost, realizes semi-automatic riveting of two products by arranging the frame, the vibration feeding mechanism, the riveting upper die, the clamping lower die and the riveting machine, has high positioning precision and good riveting effect, solves the problem of difficult manual assembly of accessories, reduces the number of workers, improves the manufacturing quality, improves the production efficiency and creates economic benefits.

In order to make the aforementioned and other objects, features and advantages of the utility model comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic three-dimensional structure of the apparatus of the present invention;

FIG. 2 is a schematic three-dimensional structure of the riveting upper die and the clamping lower die of the utility model;

FIG. 3 is a schematic three-dimensional structure of the clamping lower die of the present invention;

fig. 4 is a schematic three-dimensional structure of the aluminum block and the heat sink of the present invention.

Reference numerals of the above figures: the riveting die comprises a frame 10, a bedplate 11, a vibration feeding mechanism 20, a vibration disc 21, a linear vibrator 22, a riveting upper die 30, a riveting head 31, a pressing rod 32, a riveting head fixing plate 33, a clamping lower die 40, a lower die holder 41, a displacement mechanism 42, a positioning mechanism 43, a lower die fixing block 44, a riveting machine 50, an aluminum block 60, a square boss 61, a radiating fin 70, a rectangular through hole 71, a guide pillar 331, a cylinder 421, a U-shaped boss mounting block 422, a first convex limiting block 431, a second convex limiting block 432, a first limiting plate 433, a second limiting plate 434, a supporting block 435, a feeding groove 441, an L-shaped limiting block 442, a rectangular groove 443 and a guide hole 444.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a novel riveting device for a heat sink comprises a frame 10, a vibration feeding mechanism 20, an upper riveting die 30, a lower clamping die 40, a riveting machine 50, an aluminum block 60 and a heat sink 70, wherein the heat sink 70 is provided with a rectangular through hole 71, the aluminum block 60 is provided with a square boss 61, the square boss 61 on the aluminum block 60 is installed in the through hole 71 on the heat sink 10, the frame 10 is horizontally provided with a bedplate 11, the lower clamping die 40 is horizontally arranged on the bedplate 11, the riveting machine 50 is arranged above the lower clamping die 40, the upper riveting die 30 is installed on a machine head of the riveting machine 50, the vibration feeding mechanism 20 is arranged on the bedplate 11 at one side of the lower clamping die 40, the vibration feeding mechanism 20 comprises a vibration disc 21 and a linear vibrator 22, the vibration disc 21 is fixedly installed on the bedplate 11, one end of a material conveying channel of the linear vibrator 22 is connected with a discharge hole of the vibration disc 21, the other end of the lower clamping die 40 is connected with a feed inlet of the lower clamping die 40, the lower clamping die 40 comprises a lower die holder 41, a displacement mechanism 42, a positioning mechanism 43 and a lower die fixing block 44, a feed groove 441 is formed in the lower die fixing block 44, a riveting head 31 is arranged on the upper riveting die 30, the aluminum blocks 60 are orderly arranged in a fixed direction by the vibration disc 21, the aluminum blocks 60 are moved to the lower clamping die 40 comprising the feed groove 441 by the linear vibrator 22, the aluminum blocks 60 are continuously moved to the positioning mechanism 43, the radiating fins 70 are manually placed on the aluminum blocks 60, and the riveting machine 50 drives the riveting head 31 of the upper riveting die 30 to rivet and connect the aluminum blocks 60 and the radiating fins 70.

Further, the feeding groove 441 is arranged along the Y axis and coincides with the extension line of the Y axis direction of the feeding channel of the linear vibrator 22, an L-shaped limiting block 442 is arranged above the feeding groove 441 and is fixedly mounted on the lower die fixing block 44, and when the feeding groove 441 moves, the aluminum block 60 is prevented from being separated from the feeding groove 441.

Further, the lower die holder 41 is fixedly mounted on the platen 11, the lower die fixing block 44 is fixedly mounted on the lower die holder 41, the lower die fixing block 44 is further provided with a rectangular groove 443 along the X-axis direction and vertically communicated with the feeding groove 441, and the displacement mechanism 42 is disposed in the rectangular groove 443.

Further, the displacement mechanism 42 includes a cylinder 421 and a U-shaped boss mounting block 422, the U-shaped boss mounting block 422 is movably mounted in the rectangular groove 443, the cylinder 421 is fixedly mounted on the side surface of the lower mold fixing block 44, a piston rod of the cylinder 421 penetrates through the lower mold fixing block 44 and is vertically and fixedly mounted on the side surface of the U-shaped boss mounting block 422, the cylinder 421 extends and retracts to drive the U-shaped boss mounting block 422 to move along the rectangular groove 443, when the U-shaped boss mounting block moves to a position closest to the cylinder 421, a mounting position of an aluminum block 60 in the middle of the U-shaped boss mounting block 422 is aligned with a discharge port of the feed groove 441, the aluminum block 60 enters the mounting position of the U-shaped boss mounting block 422 from the feed groove 441, and then the cylinder 421 pushes the U-shaped boss mounting block 422 to move away from the cylinder 421.

Further, the positioning mechanism 43 includes a first convex limiting block 431, a second convex limiting block 432, a first limiting plate 433, a second limiting plate 434 and a supporting block 435, the first convex limiting block 431 is clamped on the inner side surface of the rectangular groove 443, the second convex limiting block 432 is clamped on the side surface of the U-shaped boss mounting block 422, the plate surface of the second convex limiting block 432 blocks the displacement of the aluminum block 60 on the mounting position of the aluminum block 60 in the middle of the U-shaped boss mounting block 422 along the Y axis to play a positioning role, one end of the lower die fixing block 44 close to the cylinder 421 is provided with a step, the first limiting plate 433 and the second limiting plate 434 are vertically and fixedly mounted on the step surface of the lower die fixing block 44 along the X axis, the supporting block 435 is vertically and fixedly mounted on the step surface outside the first limiting plate 433 and the second limiting plate 434, the first limiting plate 433 and the second limiting plate 434 are used for positioning the side surface of the heat sink 70, the support block 435 serves to support and position the horizontal plate surface of the heat sink 70, and the riveted surface of the heat sink 70 is placed on the aluminum block 60.

Further, the upper riveting die 30 comprises a riveting head 31 and a pressing rod 32, the riveting head 31 and the pressing rod 32 are both fixedly mounted on a riveting head fixing plate 33 of the upper riveting die 30, the riveting head 31 coincides with the riveting point of the aluminum block 60 along the Z-axis direction, the pressing rod 32 and the supporting block 435 coincide along the extension line of the Z-axis direction, when the upper riveting die 30 moves downwards, the riveting head 31 is riveted at the riveting point of the aluminum block 60 to rivet and connect the aluminum block 60 and the heat sink 70, and the pressing rod 32 presses the horizontal plate surface of the heat sink 70 on the supporting block 435.

Furthermore, a guide post 331 is also vertically and fixedly mounted on the rivet joint fixing plate 33, a guide hole 444 is formed in the lower die fixing block 44, and the guide post 331 is movably mounted in the guide hole 444 to play a guiding role.

Further, the square boss 61 and the rectangular through hole 71 are in clearance fit, and the clearance is not more than one tenth of the diagonal length L of the rectangular through hole 71, so that the square boss 61 can be conveniently installed in the rectangular through hole 11.

Further, the height D of the square boss 61 along the Z-axis direction is larger than the depth D of the rectangular through hole 11, 1.04D < D <1.06D, the square boss 61 is higher than the depth of the rectangular through hole 11, the head of the square boss 61 expands after riveting, and the square boss 61 is firmly connected in the rectangular through hole 11.

The working principle is as follows: when in work, the method comprises the following specific steps:

step 1: extruding an aluminum strip with ribs by using an aluminum profile extruder;

step 2: based on step 1, cutting the aluminum strip into required lengths by using a cutting machine or a sawing machine;

and step 3: based on the step 1-2, a stamping die is used for processing in cooperation with a punch press, and materials on two sides of the aluminum block 60 are punched out to form a square boss 61;

and 4, step 4: based on the steps 1-3, pouring the aluminum blocks 60 into the vibration disc 21, starting vibration discharging of the vibration disc 21, and enabling the aluminum blocks 60 to enter the aluminum block 60 mounting positions in the middle of the U-shaped boss mounting blocks 422 through the material conveying channel of the linear vibrator 22 and the feeding groove 441;

and 5: based on the steps 1-4, after the aluminum block 60 reaches the designated position, the air cylinder 421 pushes the U-shaped boss mounting block 422 to move to the riveting position, and the heat sink 70 is manually placed into the die mounting position by using tweezers, wherein the aluminum block 60 and the heat sink 70 are mounted by matching the square boss 61 and the rectangular through hole 71;

step 6: based on the steps 1 to 5, the riveting machine 50 operates, the upper riveting die 30 moves downwards, the riveting head 31 is riveted at the riveting point of the aluminum block 60, the aluminum block 60 and the heat dissipation fin 70 are riveted and connected, the horizontal plate surface of the heat dissipation fin 70 is pressed tightly on the supporting block 435 by the pressing rod 32, and the aluminum block 60 and the heat dissipation fin 70 are riveted and connected after the riveting machine 50 operates for one stroke to return to the original point.

The principle and the implementation mode of the utility model are explained by applying specific embodiments in the utility model, and the description of the embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (9)

1. The utility model provides a novel riveting equipment of fin, includes frame, vibration feeding mechanism, rivets mould, clamping lower mould, riveting machine, aluminium block and fin, its characterized in that: the heat radiating fin is provided with a rectangular through hole, the aluminum block is provided with a square boss, the square boss on the aluminum block is arranged in the through hole on the heat radiating fin, a bedplate is horizontally arranged on the frame, the lower clamping die is horizontally arranged on the bedplate, the riveting machine is arranged above the lower clamping die, the riveting upper die is arranged on the head of the riveting machine, the vibration feeding mechanism is arranged on a platen at one side of the clamping lower die, the vibration feeding mechanism comprises a vibration disk and a linear vibrator, the vibration disk is fixedly arranged on the bedplate, one end of a material conveying channel of the linear vibrator is connected with a discharge hole of the vibration disc, the other end of the material conveying channel is connected with a feed hole of the clamping lower die, the clamping lower die comprises a lower die base, a displacement mechanism, a positioning mechanism and a lower die fixing block, a feeding groove is formed in the lower die fixing block, and a riveting head is arranged on the riveting upper die.

2. The novel riveting device for the radiating fins according to claim 1, is characterized in that: the feed chute sets up along the Y axle, and coincides with defeated material passageway place Y axle direction extension line of linear vibrator, the feed chute top is provided with along the L type stopper of Y axle direction, and fixed mounting is on the lower mould fixed block.

3. The novel riveting equipment of fin according to claim 1, characterized in that: the lower die base is fixedly arranged on the platen, the lower die fixing block is fixedly arranged on the lower die base, a rectangular groove along the X-axis direction is further formed in the lower die fixing block and is vertically communicated with the feeding groove, and the displacement mechanism is arranged in the rectangular groove.

4. The novel riveting equipment of fin according to claim 1, characterized in that: the displacement mechanism includes cylinder and U type boss installation piece, U type boss installation piece movable mounting is in the rectangular channel, cylinder fixed mounting is in the side of lower mould fixed block, the piston rod of cylinder runs through the perpendicular fixed mounting in side of lower mould fixed block and U type boss installation piece, and the flexible action of cylinder drives U type boss installation piece and removes along the rectangular channel.

5. The novel riveting equipment of fin according to claim 1, characterized in that: positioning mechanism includes first type of protruding stopper, the protruding style of calligraphy stopper of second, first limiting plate, second limiting plate and supporting shoe, first type of protruding stopper joint is at the medial surface of rectangular channel, the protruding style of calligraphy stopper joint of second is in the side of U type boss installation piece, and the face of the protruding style of calligraphy stopper of second blocks that the product boss installation in the middle of the U type boss installation piece is shifted along the Y axle on the position, the lower mould fixed block is close to cylinder one end and is provided with the step, first limiting plate, second limiting plate are along the perpendicular fixed mounting of X axle on the step face of lower mould fixed block, the perpendicular fixed mounting of supporting shoe is on the step face in first limiting plate, the second limiting plate outside.

6. The novel riveting equipment of fin according to claim 1, characterized in that: the riveting upper die comprises a riveting head and a pressing rod, the riveting head and the pressing rod are fixedly mounted on a riveting head fixing plate of the riveting upper die, the riveting head is overlapped with a riveting point of a product boss along the Z-axis direction, and the pressing rod and the supporting block are overlapped along the extension line of the Z-axis direction.

7. The novel riveting equipment of fin of claim 6, characterized in that: the riveting head fixing plate is also vertically and fixedly provided with a guide pillar, the lower die fixing block is provided with a guide hole, and the guide pillar is movably arranged in the guide hole.

8. The novel riveting equipment of fin according to claim 1, characterized in that: the square boss and the rectangular through hole are in clearance fit, the clearance is not larger than one tenth of the diagonal length L of the rectangular through hole, and the square boss is convenient to mount in the rectangular through hole.

9. The novel riveting equipment of fin according to claim 1, characterized in that: the height D of the square boss along the Z-axis direction is larger than the depth D of the rectangular through hole, and 1.04D < D < 1.06D.

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