TW201919791A - Rolling riveting device for slim type heat dissipating fin and slim type cover plate for improving assembly efficiency and reducing defective rate of product - Google Patents

Abstract

The present invention discloses a rolling riveting device for slim type heat dissipating fin and slim type cover plate, which comprises a worktable, a feeding rack, a driving device and a control box. In which, the feeding rack is disposed on the worktable capable of laterally moving back and forth. The driving device is disposed on the worktable and may drive the feeding rack laterally moving back and forth. The rolling riveting position on the worktable is configured with a rolling device for rolling and riveting the convex portion while the slim type heat dissipating fin and the slim type cover plate are passing through. By controlling the driving device by the control box, the driving device may drive the feeding rack for moving. Besides, by disposing the rolling device, while the feeding rack carrying the heat dissipation base, the slim type heat dissipating fin and the slim type cover plate are passing through the rolling device, the rolling device may roll and press the convex portion of each slim type heat dissipating fin, so that the convex portion may be riveted in the corresponding riveting hole, and thus the slim type cover plate and each slim type heat dissipating fin are fixed together. The present invention may greatly improve the assembly efficiency, reduce manpower consumption, and effectively reduce the defective rate of product.

Description

Rolling riveting device for thin heat dissipation fin and thin cover

The invention relates to the technical field of radiator manufacturing equipment, in particular to a rolling and riveting equipment for a thin heat dissipation fin and a thin cover plate.

The heat sink usually includes a heat sink base and a heat sink fin provided on the heat sink base. In order to improve the heat dissipation effect, the current heat sink generally adopts a thin heat sink fin. Because a single thin heat sink fin is weak and easily deformed, for this reason, It is necessary to install a thin cover plate on a plurality of thin heat dissipation fins to enhance the overall strength of the heat sink. In the prior art, most of the thin cover plates are assembled by manual welding. This assembly method is not only inefficient and labor-intensive, but also the thin cover plates are easily welded through, thereby causing defects. Therefore, it is necessary to study a scheme to solve the above problems.

In view of this, the present invention addresses the shortcomings of the prior art, and its main purpose is to provide a rolling riveting device of a thin heat dissipation fin and a thin cover plate, which can improve assembly efficiency and reduce product defects.

To achieve the above objective, the present invention adopts the following technical solutions:

A rolling riveting device for a thin heat-dissipating fin and a thin cover plate includes a workbench, a feeding rack, a driving device, and a control box; the feeding rack can be movably disposed on the workbench in a horizontally movable manner; and the driving device The control box is connected to the driving device and controls the operation of the driving device. The feeding box is a feeding frame for carrying a heat dissipation base, and a plurality of thin heat sinks are vertically arranged on the heat dissipation base. Fins, a plurality of thin heat dissipation fins are covered with a thin cover plate, and a plurality of riveting holes are opened on the thin cover plate, and the convex portion of each thin heat radiation fin extends upward through the riveting holes; and the rolling of the table A rolling device is provided at the riveting position, so that the convex portion is rolled and riveted when the thin heat dissipation fin and the thin cover plate pass through.

As a preferred solution, the rolling device includes a substrate and a plurality of rollers; the substrate is fixed above the workbench, the plurality of rollers are arranged laterally and rotatably installed below the substrate, and each roller extends longitudinally.

As a preferred solution, the rotation centers of the plurality of rollers are located on the same horizontal plane, and the outer diameters of the plurality of rollers increase along the conveying direction of the feeding rack.

As a preferred solution, a plurality of support rollers are provided on the bottom surface of the substrate, and the plurality of support rollers abut against the corresponding rollers.

As a preferred solution, columns are arranged on both sides of the worktable, and the substrate is fixed on the top of the columns.

As a preferred solution, a double-track slide rail seat is laid side by side on the workbench, and the feeding rack moves back and forth along the slide rail seat laterally.

As a preferred solution, the driving device is fixedly disposed on one side of the workbench; the driving device includes a screw, a driving block and a motor; the screw is controlled and driven by the motor, and the driving block is locked and coupled to the feeding frame. On one side, when the motor is driven, the driving block and the feeding frame are synchronously driven for displacement; the control box is connected to the motor of the driving device by a transmission line.

As a preferred solution, two ends of the screw of the driving device are respectively provided with fixed support blocks, and two ends of the screw of the driving device penetrate the corresponding fixed support blocks; Both ends are fixed between support blocks.

As a preferred solution, a plurality of fixing blocks capable of supporting and fixing the heat dissipation base are provided on the feeding rack at a distance.

Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be known from the foregoing technical solutions:

By using a control box to control the driving device, the driving device drives the feeding rack to move, and at the same time, a rolling device is provided. When the feeding frame carrying the cooling base, thin fins and thin cover passes through the rolling device, the rolling device pairs The convex part of each thin heat dissipation fin is rolled, so that the convex part is riveted in the corresponding riveting hole, so that the thin cover plate and each thin heat dissipation fin are fixed together, instead of the traditional manual welding method, Greatly improve assembly efficiency, reduce labor costs, and effectively reduce product failure rate.

In order to explain the structural features and effects of the present invention more clearly, the present invention is described in detail below with reference to the drawings and specific embodiments.

The structural features and other functions and purposes of the present invention are described in detail below with reference to the embodiments of the drawings:

Please refer to FIG. 1 to FIG. 4, which show a specific structure of a preferred embodiment of the present invention, including a workbench 10, a feeding rack 20, a driving device 30, and a control box 40.

The feeding rack 20 can be movably mounted on the workbench 10 in a horizontal and reciprocating manner. The feeding rack 20 is a feeding rack for carrying a heat dissipation base 50. The heat dissipation base 50 is provided with a plurality of thin heat dissipation fins 60 and a plurality of thin heat sources. The radiating fin 60 is covered with a thin cover plate 70, and a plurality of riveting holes 71 are opened on the thin cover plate 70. The convex portion 61 of each thin radiating fin 60 extends upward through the riveting hole 71; in this embodiment In the working table 10, a double-track slide rail base 11 is laid side by side, and a feeding rack 20 moves back and forth along the slide rail base 11; and a plurality of spaced-apart types are provided on the feeding rack 20 to support and fix the The fixing base block 21 of the heat radiation base 50.

The driving device 30 is arranged on the worktable 10 and drives the feeding rack 20 to move back and forth laterally. Specifically, the driving device 30 is fixedly disposed on one side of the worktable 10; the driving device 30 includes a screw 31, a drive Block 32 and a motor 33; the screw 31 is controlled and driven by the motor 33, and the drive block 32 is locked and coupled to one side of the feeding frame 20, so that when the motor 33 is driven, the driving block 32 and the feeding frame 20 are synchronously driven and driven; The two ends of the screw 31 of the driving device 30 are respectively provided with fixed support blocks 34, and the two ends of the screw 31 of the driving device 30 penetrate the corresponding fixed support blocks 34; the driving block 32 is screwed on the screw 31 and is located at The two ends are fixed between the support blocks 34.

The control box 40 is connected to the driving device 30 and controls the operation of the driving device 30. A rolling device 80 is provided at the rolling and riveting position of the table 10, so that the thin heat dissipation fins 60 and the thin cover plate 70 can be convex when passing through. The part 61 is rolled and riveted. The control box 40 is connected to the motor 33 of the driving device 30 by a transmission line 41.

The rolling device 80 includes a base plate 81 and a plurality of rollers 82. The base plate 81 is fixed above the table 10, and the plurality of rollers 82 are arranged laterally and rotatably under the base plate 81. Longitudinal extension. In this embodiment, the rotation centers of the plurality of rollers 82 are located on the same horizontal plane, and the outer diameters of the plurality of rollers 82 increase along the conveying direction of the feeding frame 20 so as to perform stepwise rolling riveting of the convex portions 61. To prevent the thin heat dissipation fins 60 from being deformed by one excessive rolling riveting; and the bottom surface of the substrate 81 is provided with a plurality of support rollers 83, which are abutted above the corresponding roller 82 to The roller 82 is made stronger, and the convex portion 61 is better rolled. In addition, the two sides of the table 10 are provided with pillars 12, and the substrate 81 is fixed on the top of the pillars 12.

The working principle of this embodiment is detailed as follows:

During operation, the feeding rack 20 is on the left side of the workbench 10. First, the heat sink base 50 is fixed on the feed rack 20, and the heat sink base 50 is provided with a plurality of thin heat sink fins 60 in a vertical direction in advance; then, a thin cover 70 is covered. And make the convex portion 61 of each thin heat dissipation fin 60 extend upward through the corresponding riveting hole 71; then the control box 40 presets a work instruction; then the driving device 30 starts to execute the work instruction to drive the heat dissipation base 50 The feeding rack 20 of the thin fins 60 and the thin cover plate 70 moves to the right and passes through the rolling device 80. Each roller 82 on the rolling device 80 sequentially rolls the convex portion 61 of each thin fin 60 , So that the convex portion 61 is riveted in the corresponding riveting hole 71, so that the thin cover plate 70 and each of the thin heat radiation fins 60 are fixed together to form a heat sink; then, the heat sink is removed from the feeding frame 20 The control box 40 controls the driving device 30 to work, so that the driving device 30 drives the feeding rack 20 to reset in the reverse direction, so as to perform the next rolling and riveting cooperation.

5 to 9 are schematic structural diagrams of the first thin heat-dissipating fin and the thin cover plate, wherein the top surface of the convex portion 61 is a horizontal plane; as shown in FIGS. 10 to 12, it is the second thin type. Schematic diagram of the structure of the heat dissipation fin and the thin cover plate, wherein the top of the convex portion 61 is tooth-shaped; it is a schematic diagram of the structure of the third type of the thin heat sink fin and the thin cover plate, in which the top surface of the convex portion 61 is curved Concave.

The design focus of the present invention is: by using a control box to control the driving device, the feeding device is driven by the driving device to move the feeding frame, and at the same time, a rolling device is provided. When the feeding frame carrying the heat dissipation base, the thin heat dissipation fin and the thin cover plate is rolled, During the installation, the rolling device rolls the convex portion of each thin heat dissipation fin, so that the convex portion is riveted in the corresponding riveting hole, so that the thin cover plate is fixed with each thin heat dissipation fin instead of The traditional manual welding method greatly improves the efficiency of assembly, reduces labor costs, and effectively reduces the product failure rate.

The above are only the preferred embodiments of the present invention, and do not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments in accordance with the technical essence of the present invention are still It belongs to the scope of the technical solution of the present invention.

10‧‧‧Workbench

11‧‧‧ Slide rail seat

12‧‧‧ post

20‧‧‧feeding rack

21‧‧‧Fixed Block

30‧‧‧Drive

31‧‧‧Screw

32‧‧‧Driver

33‧‧‧Motor

34‧‧‧Fixed Support Block

40‧‧‧Control Box

41‧‧‧Transmission Line

50‧‧‧ cooling base

60‧‧‧thin heat sink fin

61‧‧‧ convex

70‧‧‧ thin cover

71‧‧‧Riveted hole

80‧‧‧Rolling device

81‧‧‧ substrate

82‧‧‧ roller

83‧‧‧Support roller

FIG. 1 is an assembly perspective diagram of the preferred embodiment of the present invention; FIG. 2 is an exploded view of the preferred embodiment of the present invention; FIG. 3 is a partial assembly schematic diagram of the preferred embodiment of the present invention; Schematic view of the reverse side of the rolling device in the preferred embodiment; Figure 5 is a schematic diagram of the thin heat dissipation fin and the thin cover plate in the preferred embodiment of the present invention; Figure 6 is the thin heat dissipation fin in the preferred embodiment of the present invention Figure 7 is a schematic diagram of a combination of a thin plate and a thin cover plate; FIG. 7 is a partially enlarged schematic view of a first thin heat dissipation fin and a thin cover plate in a preferred embodiment of the present invention; FIG. 8 is a first enlarged view of a preferred embodiment of the present invention A partially enlarged schematic view of a combination of a thin heat-dissipating fin and a thin cover; FIG. 9 is a partially enlarged schematic view of a riveting of the first thin heat-dissipating fin and a thin cover in a preferred embodiment of the present invention; Partially enlarged schematic diagram of the second thin heat-dissipating fin and the thin cover plate in the preferred embodiment; FIG. 11 is a partially enlarged schematic diagram of the second thin-type heat-dissipating fin and the thin cover plate in the preferred embodiment of the present invention FIG. 12 is a partially enlarged schematic view of riveting of a second thin heat-dissipating fin and a thin cover plate in a preferred embodiment of the present invention; FIG. 13 is a first thin heat-dissipating fin and a thin cover in a preferred embodiment of the present invention Partially enlarged schematic diagram of the separated parts of the board; FIG. 14 is a partially enlarged schematic diagram of the combination of the third thin heat-dissipating fin and the thin cover plate in the preferred embodiment of the present invention; FIG. 15 is the third thin profile in the preferred embodiment of the present invention A partially enlarged schematic view of the riveting of the heat dissipation fins and the thin cover plate.

Claims (9)

A rolling riveting device for a thin heat-dissipating fin and a thin cover plate includes a workbench, a feeding rack, a driving device, and a control box; the feeding rack can be movably disposed on the workbench in a horizontally movable manner; and the driving device The control box is connected to the driving device and controls the driving device to work. The control box is connected to the driving device and controls the driving device to work. It is characterized in that the feeding frame is a feeding frame for carrying a heat dissipation base, and the heat dissipation base is vertically arranged. A plurality of thin heat-dissipating fins, a plurality of thin heat-dissipating fins are covered with a thin cover plate, a plurality of riveting holes are opened on the thin-type cover plate, and the convex portion of each thin heat-radiating fin extends upward through the riveting holes; A rolling device is provided at the rolling and riveting position of the table, so as to roll and rive the convex portion when the thin heat dissipation fin and the thin cover plate pass through. The rolling riveting device for the thin heat dissipation fin and the thin cover plate according to item 1 of the scope of the patent application, wherein the rolling device includes a base plate and a plurality of rollers; the base plate is fixed above the table The plurality of rollers are arranged laterally and rotatably installed below the base plate, and each roller extends longitudinally. The rolling riveting device for the thin heat dissipation fin and the thin cover plate according to item 2 of the scope of the patent application, wherein the rotation centers of the plurality of rollers are located on the same horizontal plane, and the outer diameters of the plurality of rollers are along The feeding direction of the feeding rack is increased. According to the rolling riveting device of the thin heat dissipation fin and the thin cover plate according to item 2 of the scope of the patent application, the bottom surface of the substrate is provided with a plurality of support rollers, and the plurality of support rollers abut against corresponding ones. Above the roller. The rolling riveting device for the thin heat dissipation fin and the thin cover plate according to item 2 of the scope of the patent application, characterized in that both sides of the worktable are provided with pillars, and the substrate is fixed on the top of the pillars. The rolling and riveting device for the thin heat dissipation fin and the thin cover plate according to item 1 of the scope of patent application, characterized in that: a double-rail slide rail seat is laid side by side on the working table, and the feeding rack is along the slide rail seat. Horizontal movement back and forth. The rolling and riveting device for the thin heat dissipation fin and the thin cover plate according to item 1 of the scope of the patent application, wherein the driving device is fixedly disposed on one side of the workbench; the driving device includes a screw, A driving block and a motor; the screw is controlled by a motor, and the driving block is locked and coupled to one side of the feeding frame, so that the motor drives the driving block and the feeding frame to move synchronously when the motor is driven; the control box is connected to a transmission line to The motor of the drive. The rolling riveting device for the thin heat dissipation fin and the thin cover plate according to item 7 of the scope of the patent application, wherein the two ends of the screw of the driving device are respectively provided with fixed support blocks, The two ends of the screw pass through the corresponding fixed support blocks; the drive block is screwed on the screw and is located between the two fixed support blocks. The rolling and riveting device for the thin heat dissipation fin and the thin cover according to item 1 of the scope of the patent application, characterized in that the feed rack is provided with a plurality of fixing bases which can support and fix the heat dissipation base in a spaced manner. Piece.