A lubricating low-wear roller for radiator fin production

Abstract

The present invention is a lubricating low-wear hob for producing radiator fins, comprising a hob shaft, a rotating shaft is arranged on both end surfaces of the hob shaft, a plurality of groups of lubricating hobs are arranged on the hob shaft, a spacing retaining ring is arranged between two adjacent lubricating hobs, a retaining ring plate is installed on both end surfaces of the hob shaft, each group of lubricating hobs comprises two hob rings butted together, an annular groove is arranged on the inner end surfaces of the two hob rings facing each other, a lubricating sponge ring is installed in the annular groove, an annular lubricating oil cavity is arranged on the outer end surfaces of the two hob rings facing each other corresponding to the annular groove, an oil filling port is arranged outside the annular lubricating oil cavity, a closed rubber plug is arranged on the oil filling port, a plurality of through holes are arranged between the annular lubricating oil cavity and the annular groove, and a plurality of lubricating holes connected to the annular groove are evenly distributed on the circumference of the outer walls of the two hob rings. The present invention can reduce the wear of the lubricating hob in the process of processing fins, prolong the service life, and the spacing of the lubricating hobs is adjustable, which is suitable for the processing of more products.

Description

Technical Field

[0001] The invention relates to the technical field of fin processing rollers, in particular to a lubricating low-wear roller for producing radiator fins. Background Art

[0002] Finned radiators are widely used in the radiator field. Finned radiators are the most widely used heat exchange equipment in gas and liquid heat exchangers. Fins are usually added to the surface of the heat exchange device where heat transfer is required by adding a metal sheet with strong thermal conductivity to increase the heat transfer surface area of ​​the heat exchange device.

[0003] The heat sink fins are processed by a roller. During the processing of the fins, the roller is constantly in contact with the fins, causing severe wear and tear, which affects subsequent use. Summary of the invention

[0004] The present invention aims to solve the deficiencies of the prior art and provides a lubricating low-wear roller for producing radiator fins.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A lubricating low-wear hob for producing radiator fins comprises a hob shaft, a rotating shaft for connecting to a former driving motor is provided at the center position of both end surfaces of the hob shaft, a plurality of groups of lubricating hobs are provided on the hob shaft, a spacing retaining ring is provided between two adjacent lubricating hobs, a retaining ring plate is installed on both end surfaces of the hob shaft, the diameter of the retaining ring plate is larger than the diameter of the hob shaft, each group of lubricating hobs comprises two hob rings butted together, annular grooves are provided on the inner end surfaces of the two hob rings facing each other, a lubricating sponge ring is installed in the annular groove, annular lubricating oil cavities are provided on the opposite outer end surfaces of the two hob rings corresponding to the annular grooves, an oil filling port is provided outside the annular lubricating oil cavity, a sealing rubber plug is provided on the oil filling port, a plurality of through holes are provided between the annular lubricating oil cavity and the annular groove, and a plurality of lubricating holes connected to the annular grooves are evenly distributed on the circumference of the outer walls of the two hob rings.

[0007] The two hob rings of the lubricating hob are connected together by a plurality of connecting bolts.

[0008] A plurality of avoidance grooves corresponding to the connecting bolts are arranged on one side of the distance adjusting retaining ring facing the hob ring.

[0009] A plurality of limiting edges are arranged on the circumference of the outer wall of the hob shaft, and limiting grooves corresponding to the limiting edges are arranged on the inner walls of the hob ring and the distance adjustment retaining ring.

[0010] The hob ring is a ring-shaped truncated cone structure with one end narrow and the other end wide, and the end surfaces of the two hob rings of each set of lubricating hobs with larger diameters are butted against each other.

[0011] A plurality of mounting holes are correspondingly arranged on the end surface of the hob shaft and the blocking ring plate, and fastening bolts are arranged in the mounting holes.

[0012] The number of the limiting edges is four.

[0013] The beneficial effects of the present invention are as follows: an annular lubricating oil cavity and a lubricating sponge ring are provided inside the lubricating hob of the present invention, and the lubricating oil is guided to the surface of the lubricating hob through the lubricating hole by the lubricating sponge ring, thereby reducing the wear of the lubricating hob during the fin processing and extending the service life. The spacing between the lubricating hobs can be adjusted by selecting a suitable spacing ring as needed to adapt to the processing of more products, and the overall tool replacement and maintenance are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention;

[0015] Figure 2 It is a schematic diagram of the structure of the lubrication hob and the distance regulating ring on the hob shaft;

[0016] Figure 3 This is a schematic diagram of the installation structure of the lubricating sponge ring inside the hob ring on the hob shaft;

[0017] Figure 4 It is a schematic diagram of the structure of a single hob ring on the hob shaft in one direction;

[0018] Figure 5 It is a schematic diagram of the structure of a single hob ring on the hob shaft in another direction;

[0019] In the figure: 1-hob shaft; 2-rotating shaft; 3-lubricating hob; 4-adjusting retaining ring; 5-retaining ring plate; 6-hob ring; 7-annular groove; 8-lubricating sponge ring; 9-sealing rubber plug; 10-lubricating hole; 11-connecting bolt; 12-avoidance groove; 13-limiting edge; 14-mounting hole; 15-fastening bolt;

[0020] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and embodiments:

[0022] like Figures 1 to 5As shown, a lubricating low-wear hob for producing radiator fins comprises a hob shaft 1, a rotating shaft 2 for connecting to a former driving motor is provided at the center position of both end surfaces of the hob shaft 1, a plurality of groups of lubricating hobs 3 are provided on the hob shaft 1, a spacing retaining ring 4 is provided between two adjacent lubricating hobs 3, a retaining ring plate 5 is installed on both end surfaces of the hob shaft 1, the diameter of the retaining ring plate 5 is larger than the diameter of the hob shaft 1, each group of lubricating hobs 3 comprises two hob rings 6 butted together, annular grooves 7 are provided on the inner end surfaces of the two hob rings 6 facing each other, a lubricating sponge ring 8 is installed in the annular groove 7, annular lubricating oil cavities are provided on the opposite outer end surfaces of the two hob rings 6 corresponding to the annular groove 7, an oil filling port is provided outside the annular lubricating oil cavity, a sealing rubber plug 9 is provided on the oil filling port, a plurality of through holes are provided between the annular lubricating oil cavity and the annular groove 7, and a plurality of lubricating holes 10 connected to the annular groove 7 are evenly distributed on the outer walls of the two hob rings 6.

[0023] The two hob rings 6 of the lubricating hob 3 are connected together by a plurality of connecting bolts 11 .

[0024] A plurality of avoidance grooves 12 corresponding to the connecting bolts 11 are provided on the side of the distance adjusting retaining ring 4 facing the hob ring 6 .

[0025] A plurality of limiting edges 13 are arranged on the circumference of the outer wall of the hob shaft 1 , and limiting grooves corresponding to the limiting edges 13 are arranged on the inner walls of the hob ring 6 and the distance adjustment retaining ring 4 .

[0026] The hob ring 6 is a circular truncated cone structure with one end narrow and the other end wide, and the end surfaces of the two hob rings 6 of each set of lubricating hobs 3 with larger diameters are butted against each other.

[0027] A plurality of mounting holes 14 are correspondingly arranged on the end surface of the hob shaft 1 and the blocking ring plate 5 , and fastening bolts 15 are arranged in the mounting holes 14 .

[0028] The number of the limiting edges 13 is four.

[0029] The lubricating hob 3 of the present invention is provided with an annular lubricating oil cavity and a lubricating sponge ring 8. The lubricating oil is guided to the surface of the lubricating hob 3 through the lubricating hole 10 by the lubricating sponge ring 8, thereby reducing the wear of the lubricating hob 3 during the fin processing and extending the service life. The spacing between the lubricating hobs 3 can be adjusted by selecting a suitable spacing ring 4 as needed to adapt to the processing of more products, and the overall tool replacement and maintenance are convenient.

[0030] 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 lubricating low-wear roller for producing radiator fins, characterized in that: The invention comprises a hob shaft (1), wherein a rotating shaft (2) for connecting to a shaping machine driving motor is provided at the center position of both end surfaces of the hob shaft (1), wherein a plurality of groups of lubricating hobs (3) are provided on the hob shaft (1), wherein a distance-adjusting retaining ring (4) is provided between two adjacent lubricating hobs (3), wherein retaining ring plates (5) are installed on both end surfaces of the hob shaft (1), wherein the diameter of the retaining ring plates (5) is larger than the diameter of the hob shaft (1), and wherein each group of lubricating hobs (3) comprises two hob rings (6) butted together, wherein the two hob rings (6) 6) An annular groove (7) is provided on the inner end faces facing each other, a lubricating sponge ring (8) is installed in the annular groove (7), an annular lubricating oil cavity is provided on the outer end faces of the two hob rings (6) opposite to each other and corresponding to the annular groove (7), an oil filling port is provided outside the annular lubricating oil cavity, a sealing rubber plug (9) is provided on the oil filling port, a plurality of through holes are provided between the annular lubricating oil cavity and the annular groove (7), and a plurality of lubricating holes (10) connected to the annular groove (7) are evenly distributed on the outer walls of the two hob rings (6) on the circumference.

2. A lubricating low-wear roller for producing radiator fins according to claim 1, characterized in that: The two hob rings (6) of the lubricating hob (3) are connected together via a plurality of connecting bolts (11).

3. A lubricating low-wear roller for producing radiator fins according to claim 2, characterized in that: A plurality of avoidance grooves (12) corresponding to the connection bolts (11) are provided on a side of the distance adjustment retaining ring (4) facing the hob ring (6).

4. The lubricating low-wear roller cutter for producing radiator fins according to claim 3, characterized in that: A plurality of limiting edges (13) are provided on the circumference of the outer wall of the hob shaft (1), and limiting grooves corresponding to the limiting edges (13) are provided on the inner walls of the hob ring (6) and the distance adjustment retaining ring (4).

5. The lubricating low-wear roller cutter for producing radiator fins according to claim 4, characterized in that: The hob ring (6) is an annular truncated cone structure with one end being narrow and the other end being wide, and the end surfaces with larger diameters of the two hob rings (6) of each set of lubricating hobs (3) are butted against each other.

6. The lubricating low-wear roller cutter for producing radiator fins according to claim 5, characterized in that: A plurality of mounting holes (14) are correspondingly provided on the end surface of the hob shaft (1) and on the blocking ring plate (5), and fastening bolts (15) are provided in the mounting holes (14).

7. A lubricating low-wear roller for producing radiator fins according to claim 6, characterized in that: The number of the limiting edges (13) is four.

Images