A forming hobbing cutter device for processing aluminum corrugated heat sink fins

Abstract

The present invention is a forming hob device for processing aluminum corrugated heat dissipation fins, comprising a forming platform, a first n-shaped bracket is provided on the forming platform, a second n-shaped bracket and a lower hob shaft are provided between the first n-shaped brackets from top to bottom, a lifting cylinder is connected to the top of the second n-shaped bracket, an upper hob shaft is provided between the second n-shaped brackets, a lower hollow rotating shaft is connected to both end surfaces of the lower hob shaft, a lower driving motor is connected to one end of the lower hollow rotating shaft, an upper hollow rotating shaft is connected to both end surfaces of the upper hob shaft, an upper driving motor is connected to one end of the upper hollow rotating shaft, the lower hob shaft and the upper hob shaft are both hollow structures inside and the outer wall is evenly distributed with blade teeth, a number of heat dissipation pores are provided between adjacent blade teeth, a blast pipe is plugged in at the center position of the other end of the lower hollow rotating shaft and the upper hollow rotating shaft, the blast pipe is connected to a fan, and a number of air outlets are provided on the outer wall of the blast pipe. The present invention can adapt to the processing of aluminum sheets of different thicknesses, continuously blow away the generated heat, and avoid overheating affecting the pressing effect of the aluminum sheet.

Description

Technical Field

[0001] The invention relates to the technical field of fin processing, and in particular to a forming hob device for processing aluminum corrugated heat dissipation fins. Background Art

[0002] Finned radiator is the most widely used heat exchange equipment in gas and liquid heat exchangers. It achieves the purpose of enhancing heat transfer by adding fins to ordinary base tubes. Aluminum corrugated radiator fins are widely used radiator fins, which are processed by forming hobs. During the processing, the hob continuously presses the fins into shape, generating a lot of heat during operation, which can easily damage the quality of aluminum fin products and affect the processing effect. Summary of the invention

[0003] The present invention aims to solve the deficiencies of the prior art and provides a forming hob device for processing aluminum corrugated heat dissipation fins.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A forming hob device for processing aluminum corrugated heat dissipation fins comprises a forming platform, a first n-shaped bracket is arranged on the forming platform, a second n-shaped bracket and a lower hob shaft are arranged in sequence from top to bottom between two side plates of the first n-shaped bracket, a lifting cylinder is connected to the top of the second n-shaped bracket, the lifting cylinder is fixed to the top of the first n-shaped bracket, an upper hob shaft is arranged between the two side plates of the second n-shaped bracket, a lower hollow rotating shaft is connected to both end surfaces of the lower hob shaft, a lower driving motor is connected to one end of the lower hollow rotating shaft, and the upper hob shaft is connected to the lower driving motor. The two end surfaces of the cutter shaft are connected with an upper hollow rotating shaft, one end of the upper hollow rotating shaft is connected to an upper driving motor, the interiors of the lower and upper hob cutter shafts are both hollow structures and the outer walls are evenly distributed with cutter teeth on the circumference, the outer walls of the lower and upper hob cutter shafts have a number of heat dissipation holes penetrating toward the axis on the tooth grooves between adjacent cutter teeth, the other ends of the lower and upper hollow rotating shafts are both plugged with blower pipes at the center positions, the blower pipes are connected to a fan, the blower pipes extend into the lower and upper hob cutter shafts and a number of air outlets are provided on the outer walls of the blower pipes.

[0006] The forming platform is provided with two parallel supporting uprights on one side of the first n-shaped bracket, a conveying roller is rotatably installed between the two supporting uprights via a rotating shaft, the conveying roller is connected to a conveying motor, and the aluminum sheet to be processed is mounted above the conveying roller and transported to between the teeth of the lower hob shaft and the upper hob shaft.

[0007] A lower cleaning roller is rotatably installed between the two supporting vertical plates via a rotating shaft, and the lower cleaning roller is tangent to the lower surface of the aluminum sheet. An upper cleaning roller is provided above the lower cleaning roller, and the upper cleaning roller is tangent to the upper surface of the aluminum sheet. Adjustment plates are rotatably connected to both ends of the upper cleaning roller via a rotating shaft, and the two adjustment plates are installed on the top of the two supporting vertical plates with adjustable heights.

[0008] Two threaded rods are fixed to the top of each supporting vertical plate corresponding to the adjusting plate. The threaded rods are penetrated through the adjusting plate, and adjusting nuts are screwed onto the upper and lower surfaces of the adjusting plate on the threaded rods.

[0009] A cleaning cotton cloth layer is provided on the surface of the lower cleaning roller and the upper cleaning roller, and the cleaning cotton cloth layer is bonded and wound around the outer side of the lower cleaning roller and the upper cleaning roller through a Velcro device.

[0010] The conveying roller is provided with anti-skid patterns.

[0011] The molding platform is provided with a receiving box on the other side of the first n-shaped bracket.

[0012] The beneficial effects of the present invention are as follows: the present invention processes the fins of the aluminum sheet through the adjustable upper hob shaft and the fixed lower hob shaft, which can adapt to the processing of aluminum sheets with different thicknesses, and heat dissipation holes are arranged between the blade teeth of the upper hob shaft and the lower hob shaft, and blast pipes are arranged in the lower hollow rotating shaft and the upper hollow rotating shaft, and the generated heat can be continuously dissipated through the blast pipes to avoid overheating affecting the pressing effect of the aluminum sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the present invention;

[0014] In the figure: 1-forming platform; 2-first n-shaped bracket; 3-second n-shaped bracket; 4-lower hob shaft; 5-lifting cylinder; 6-upper hob shaft; 7-lower hollow shaft; 8-lower drive motor; 9-upper hollow shaft; 10-upper drive motor; 11-knife teeth; 12-heat dissipation holes; 13-blast pipe; 14-support vertical plate; 15-transmission roller; 16-aluminum sheet; 17-lower cleaning roller; 18-upper cleaning roller; 19-adjusting plate; 20-threaded rod; 21-adjusting nut; 22-receiving box;

[0015] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0017] like Figure 1As shown, a forming hob device for processing aluminum corrugated heat dissipation fins comprises a forming platform 1, a first n-shaped bracket 2 is arranged on the forming platform 1, a second n-shaped bracket 3 and a lower hob shaft 4 are arranged from top to bottom between the two side plates of the first n-shaped bracket 2, a lifting cylinder 5 is connected to the top of the second n-shaped bracket 3, the lifting cylinder 5 is fixed to the top of the first n-shaped bracket 2, an upper hob shaft 6 is arranged between the two side plates of the second n-shaped bracket 3, a lower hollow rotating shaft 7 is connected to the two end surfaces of the lower hob shaft 4, one end of the lower hollow rotating shaft 7 is connected to a lower driving motor 8, and the upper hob shaft 6 is connected to the lower end of the lower hollow rotating shaft 7. The end face is connected with an upper hollow rotating shaft 9, one end of which is connected with an upper driving motor 10, the interiors of the lower hob shaft 4 and the upper hob shaft 6 are both hollow structures and the outer walls are evenly distributed with cutter teeth 11 on the circumference, the outer walls of the lower hob shaft 4 and the upper hob shaft 6 have a plurality of heat dissipation holes 12 extending from the tooth grooves between adjacent cutter teeth 11 toward the axis center, the other ends of the lower hollow rotating shaft 7 and the upper hollow rotating shaft 9 are both plugged with a blast pipe 13 at the center position, the blast pipe 13 is connected with a fan, the blast pipe 13 extends into the lower hob shaft 4 and the upper hob shaft 6 and the outer wall of the blast pipe 13 is provided with a plurality of air outlets.

[0018] The forming platform 1 is provided with two parallel supporting uprights 14 on one side of the first n-shaped bracket 2, and a conveying roller 15 is rotatably installed between the two supporting uprights 14 via a rotating shaft. The conveying roller 15 is connected to a conveying motor, and the aluminum sheet 16 to be processed is mounted above the conveying roller 15 and transported to between the cutter teeth 11 of the lower hob shaft 4 and the upper hob shaft 6.

[0019] A lower cleaning roller 17 is rotatably installed between the two supporting uprights 14 via a rotating shaft, and the lower cleaning roller 17 is tangent to the lower surface of the aluminum sheet 16. An upper cleaning roller 18 is provided above the lower cleaning roller 17, and the upper cleaning roller 18 is tangent to the upper surface of the aluminum sheet 16. Adjustment plates 19 are rotatably connected to both ends of the upper cleaning roller 18 via a rotating shaft, and the two adjustment plates 19 are installed on the top of the two supporting uprights 14 with adjustable heights.

[0020] Two threaded rods 20 are fixed to the top of each supporting upright plate 14 corresponding to the adjusting plate 19 . The threaded rods 20 are passed through the adjusting plate 19 , and adjusting nuts 21 are screwed onto the upper and lower surfaces of the adjusting plate 19 .

[0021] A cleaning cotton cloth layer is provided on the surface of the lower cleaning roller 17 and the upper cleaning roller 18, and the cleaning cotton cloth layer is bonded and wound around the outer side of the lower cleaning roller 17 and the upper cleaning roller 18 through a Velcro device.

[0022] The conveying roller 15 is provided with anti-skid patterns.

[0023] A receiving box 22 is provided on the molding platform 1 at the other side of the first n-shaped bracket 2 .

[0024] The present invention processes the fins of the aluminum sheet 16 through the adjustable upper hob shaft 6 and the fixed lower hob shaft 4, which can adapt to the processing of aluminum sheets 16 of different thicknesses, and heat dissipation holes 12 are provided between the teeth 11 of the upper hob shaft 6 and the lower hob shaft 4, and a blast pipe 13 is provided in the lower hollow rotating shaft 7 and the upper hollow rotating shaft 9, through which the generated heat can be continuously blown away to avoid overheating affecting the pressing effect of the aluminum sheet 16. Before the aluminum sheet 16 enters between the teeth 11 for pressing on the forming platform 1, the surface of the aluminum sheet 16 is first cleaned by the lower cleaning roller 17 and the upper cleaning roller 18 to avoid impurities on the surface from causing wear to the teeth 11. The height of the upper cleaning roller 18 can be adjusted in accordance with the thickness of the aluminum sheet 16.

[0025] The present invention is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the present invention, or are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A forming hob device for processing aluminum corrugated heat dissipation fins, characterized in that: The molding platform (1) comprises a first n-shaped bracket (2) provided on the molding platform (1), a second n-shaped bracket (3) and a lower hob shaft (4) provided in sequence from top to bottom between two side plates of the first n-shaped bracket (2), a lifting cylinder (5) connected to the top of the second n-shaped bracket (3), the lifting cylinder (5) being fixed to the top of the first n-shaped bracket (2), an upper hob shaft (6) provided between the two side plates of the second n-shaped bracket (3), a lower hollow rotating shaft (7) being connected at both end surfaces of the lower hob shaft (4), one end of the lower hollow rotating shaft (7) being connected to a lower driving motor (8), and an upper hollow rotating shaft (9) being connected at both end surfaces of the upper hob shaft (6). The upper hollow rotating shaft (9) is connected to an upper driving motor (10) at one end, the lower hob shaft (4) and the upper hob shaft (6) are both hollow structures and have blade teeth (11) evenly distributed on the circumference of the outer wall, the outer wall of the lower hob shaft (4) and the upper hob shaft (6) has a plurality of heat dissipation holes (12) extending from the tooth grooves between adjacent blade teeth (11) toward the axis, the other end of the lower hollow rotating shaft (7) and the upper hollow rotating shaft (9) are both plugged with a blast pipe (13) at the center position, the blast pipe (13) is connected to a fan, the blast pipe (13) extends into the lower hob shaft (4) and the upper hob shaft (6) and has a plurality of air outlets on the outer wall of the blast pipe (13).

2. The forming hob device for processing aluminum corrugated heat dissipation fins according to claim 1, characterized in that: The molding platform (1) is provided with two parallel supporting uprights (14) on one side of the first n-shaped bracket (2); a conveying roller (15) is rotatably mounted between the two supporting uprights (14) via a rotating shaft; the conveying roller (15) is connected to a conveying motor; the aluminum sheet (16) to be processed is mounted above the conveying roller (15) and conveyed to between the cutter teeth (11) of the lower hob shaft (4) and the upper hob shaft (6).

3. The forming hob device for processing aluminum corrugated heat dissipation fins according to claim 2, characterized in that: A lower cleaning roller (17) is rotatably mounted between the two supporting upright plates (14) via a rotating shaft, the lower cleaning roller (17) being tangentially arranged with the lower surface of the aluminum sheet (16), an upper cleaning roller (18) is arranged above the lower cleaning roller (17), the upper cleaning roller (18) being tangentially arranged with the upper surface of the aluminum sheet (16), and adjustment plates (19) are rotatably connected at both ends of the upper cleaning roller (18) via a rotating shaft, and the two adjustment plates (19) are mounted on the top of the two supporting upright plates (14) with adjustable heights.

4. The forming hob device for processing aluminum corrugated heat dissipation fins according to claim 3, characterized in that: Two threaded rods (20) are fixed to the top of each supporting upright plate (14) corresponding to the adjusting plate (19), the threaded rods (20) are passed through the adjusting plate (19), and the threaded rods (20) are screwed with adjusting nuts (21) on the upper and lower surfaces of the adjusting plate (19).

5. The forming hob device for processing aluminum corrugated heat dissipation fins according to claim 4, characterized in that: A cleaning cotton cloth layer is provided on the surface of the lower cleaning roller (17) and the upper cleaning roller (18), and the cleaning cotton cloth layer is adhered and wound around the outer side of the lower cleaning roller (17) and the upper cleaning roller (18) by a Velcro device.

6. The forming hob device for processing aluminum corrugated heat dissipation fins according to claim 5, characterized in that: The conveying roller (15) is provided with anti-slip grooves.

7. A forming hob device for processing aluminum corrugated heat sink fins according to claim 6, characterized in that: A receiving box (22) is provided on the molding platform (1) on the other side of the first n-shaped bracket (2).

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