Combined milling cutter disc

Abstract

The utility model provides a combined milling cutter disc which comprises a first cutter disc and a second cutter disc, a gasket used for limiting the axial distance between the first cutter disc and the second cutter disc is further arranged between the first cutter disc and the second cutter disc, and a first blade set, a second blade set and a third blade set are arranged on the first cutter disc. The first blade set is arranged at the end, away from the second cutter head, of the outer circumference of the first cutter head, the second blade set is arranged at the end, close to the second cutter head, of the outer circumference of the first cutter head, and the third blade set is arranged on the outer circumference of the first cutter head between the first blade set and the second blade set. A fourth blade group and a fifth blade group are arranged on the second cutterhead; and the fourth blade group is arranged at one end, close to the first cutterhead, of the outer circumference of the second cutterhead. The cutter head is combined with the structure and the size of the step joint surface of the automobile brake calipers, two cutter heads with different thicknesses are reasonably designed to be combined, and different numbers of blades are configured, so that the step joint surface can be milled at one time, the machining precision is ensured, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical processing tools, in particular to a combined milling cutter disc. Background Art

[0002] The automobile brake caliper is a key component in its braking system. There is a step joint surface of a certain height at the connection between the extension arm of the caliper and the piston cover. At present, the step joint surface is processed and formed multiple times by a milling cutter. This step-by-step processing method easily leads to deviations in the joints of different steps and affects the processing efficiency. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to overcome the deficiencies in the prior art, the utility model provides a combined milling cutter disc dedicated to the step joint surface of the automobile brake caliper in combination with the structure and size of the step joint surface of the automobile brake caliper.

[0004] The technical solution to be adopted by the utility model to solve its technical problems is: a combined milling cutter disc, including a first cutter disc and a second cutter disc coaxially connected in series on a cutter rod, a gasket for limiting the axial spacing between the first cutter disc and the second cutter disc is further provided between the first cutter disc and the second cutter disc, a first blade group, a second blade group and a third blade group are provided on the first cutter disc, the first blade group is arranged on an end of the outer circumference of the first cutter disc away from the second cutter disc, the second blade group is arranged on an end of the outer circumference of the first cutter disc close to the second cutter disc, and the third blade group is arranged on the outer circumference of the first cutter disc between the first blade group and the second blade group; a fourth blade group and a fifth blade group are provided on the second cutter disc, the fourth blade group is arranged on an end of the outer circumference of the second cutter disc close to the first cutter disc, and the fifth blade group is arranged on an end of the outer circumference of the second cutter disc away from the first cutter disc.

[0005] Furthermore, the outer diameters of the first cutter disc and the second cutter disc are the same, and the first cutter disc is provided with 20 first cutter teeth on the outer circumference, and a first chip groove is formed between adjacent first cutter teeth. The second cutter disc is provided with 20 second cutter teeth on the outer circumference, and a second chip groove is formed between adjacent second cutter teeth, and the first cutter teeth and the second cutter teeth correspond one to one in the axial direction.

[0006] Furthermore, the first blade group includes 7 first blades, the second blade group includes 7 second blades, and the third blade group includes 6 third blades. The first blade, the second blade and the third blade are arranged on a first blade tooth in a one-to-one correspondence, and the first blade, the second blade and the third blade are distributed alternately in sequence.

[0007] Further, the fourth blade set includes 10 fourth blades, the fifth blade set includes 10 fifth blades, the fourth blades and the fifth blades are arranged on a second blade tooth in a one-to-one correspondence, and the fourth blades and the fifth blades are alternately distributed in sequence.

[0008] Furthermore, in order to facilitate installation, a tool rod mounting hole is provided in the center of the first tool disc and the second tool disc, and 8 connection holes are provided in the circumferential direction on the tool disc surface outside the tool rod mounting hole.

[0009] Furthermore, a keyway is provided on the inner wall of the knife bar mounting hole, and a key is provided on the knife bar to be matched with the keyway. The knife disc and the knife bar are connected by a key, which is convenient and quick to disassemble and replace.

[0010] Furthermore, the thickness of the first cutter disc is greater than the thickness of the second cutter disc.

[0011] The beneficial effect of the utility model is that the utility model provides a combined milling cutter disc, which combines the structure and size of the step joint surface of the automobile brake caliper, reasonably designs two cutter discs with different thicknesses for combination, and configures different numbers of blades, which can complete the step joint surface cutting and milling processing at one time, ensure the processing accuracy, and improve the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the combined milling cutter disc of the utility model.

[0014] Figure 2 It is a side structural schematic diagram of the combined milling cutter disc of the utility model.

[0015] Figure 3 It is a structural schematic diagram of the combined milling cutter disc of the utility model.

[0016] Figure 4 yes Figure 3 Schematic diagram of the cross-sectional structure of AA.

[0017] In the figure: 1, first cutter disc, 2, second cutter disc, 3, gasket, 4, first blade, 5, second blade, 6, third blade, 7, fourth blade, 8, fifth blade, 9, first cutter tooth, 10, first chip groove, 11, second cutter tooth, 12, second chip groove, 13, arbor mounting hole, 14, connecting hole, 15, keyway. DETAILED DESCRIPTION

[0018] The present invention is now described in further detail in conjunction with the accompanying drawings. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention, and directions and references (e.g., up, down, left, right, etc.) may only be used to help describe the features in the drawings. Therefore, the following specific embodiments are not adopted in a restrictive sense, and the scope of the subject matter for which protection is sought is limited only by the attached claims and their equivalents.

[0019] like Figure 1-Figure 4 As shown, a combined milling cutter disc of the utility model comprises a first cutter disc 1 and a second cutter disc 2 coaxially connected in series on a cutter bar, the thickness H1 of the first cutter disc 1 is greater than the thickness H2 of the second cutter disc 2, in this embodiment, the thickness H1 of the first cutter disc 1 is 37±0.05mm, the thickness H2 of the second cutter disc 2 is 25±0.05mm, and the overall thickness of the cutter disc is 71.5±0.05mm. A gasket 3 for limiting the axial spacing between the first cutter disc 1 and the second cutter disc 2 is also provided between the first cutter disc 1 and the second cutter disc 2, a cutter bar mounting hole 13 is provided in the center of the first cutter disc 1 and the second cutter disc 2, and 8 connecting holes 14 are provided on the cutter disc surface outside the cutter bar mounting hole 13 in the circumferential direction, in this embodiment, the diameter of the cutter bar mounting hole 13 is 60mm, and the diameter of the connecting hole 14 is 35mm. A keyway 15 is provided on the inner wall of the cutter bar mounting hole 13, and a key is provided on the cutter bar to cooperate with the keyway 15. The cutter disc and the cutter bar are connected by a key, which is convenient and quick to disassemble and replace. The first cutter disc 1 is provided with a first blade group, a second blade group and a third blade group. The first blade group is arranged on the outer circumference of the first cutter disc 1 at one end away from the second cutter disc 2, the second blade group is arranged on the outer circumference of the first cutter disc 1 at one end close to the second cutter disc 2, and the third blade group is arranged on the outer circumference of the first cutter disc 1 between the first blade group and the second blade group; the second cutter disc 2 is provided with a fourth blade group and a fifth blade group. The fourth blade group is arranged on the outer circumference of the second cutter disc 2 at one end close to the first cutter disc 1, and the fifth blade group is arranged on the outer circumference of the second cutter disc 2 at one end away from the first cutter disc 1. The first cutter disc 1 and the second cutter disc 2 have the same outer diameter, which is 338 mm in this embodiment, and 20 first cutter teeth 9 are evenly arranged on the outer circumference of the first cutter disc 1, and a first chip removal groove 10 is formed between adjacent first cutter teeth 9. The outer circumference of the second cutter disc 2 is evenly provided with 20 second cutter teeth 11, and a second chip removal groove 12 is formed between adjacent second cutter teeth 11, and the first cutter teeth 9 and the second cutter teeth 11 correspond to each other in the axial direction.

[0020] In this embodiment, the first blade group includes 7 first blades 4, the second blade group includes 7 second blades 5, and the third blade group includes 6 third blades 6. The first blade 4, the second blade 5 and the third blade 6 are arranged on a first blade tooth 9 in a one-to-one correspondence, and the first blade 4, the second blade 5 and the third blade 6 are alternately distributed in sequence. The fourth blade group includes 10 fourth blades 7, and the fifth blade group includes 10 fifth blades 8. The fourth blade 7 and the fifth blade 8 are arranged on a second blade tooth 11 in a one-to-one correspondence, and the fourth blade 7 and the fifth blade 8 are alternately distributed in sequence.

[0021] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without departing from the scope of the utility model through the above description. The technical scope of this utility model is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A combined milling cutter disc, characterized in that: It includes a first cutter disc and a second cutter disc coaxially connected in series on a cutter rod, a gasket for limiting the axial distance between the first cutter disc and the second cutter disc is further provided between the first cutter disc and the second cutter disc, a first blade group, a second blade group and a third blade group are provided on the first cutter disc, the first blade group is arranged on an end of the outer circumference of the first cutter disc away from the second cutter disc, the second blade group is arranged on an end of the outer circumference of the first cutter disc close to the second cutter disc, and the third blade group is arranged on the outer circumference of the first cutter disc between the first blade group and the second blade group; a fourth blade group and a fifth blade group are provided on the second cutter disc, the fourth blade group is arranged on an end of the outer circumference of the second cutter disc close to the first cutter disc, and the fifth blade group is arranged on an end of the outer circumference of the second cutter disc away from the first cutter disc.

2. The combined milling cutter disc according to claim 1, characterized in that: The outer diameters of the first cutter disc and the second cutter disc are the same, and the first cutter disc is provided with 20 first cutter teeth on the outer circumference, and a first chip groove is formed between adjacent first cutter teeth. The outer circumference of the second cutter disc is provided with 20 second cutter teeth, and a second chip groove is formed between adjacent second cutter teeth, and the first cutter teeth and the second cutter teeth correspond one to one in the axial direction.

3. The combined milling cutter disc according to claim 2, characterized in that: The first blade group includes 7 first blades, the second blade group includes 7 second blades, and the third blade group includes 6 third blades. The first blade, the second blade and the third blade are arranged on a first blade tooth in a one-to-one correspondence, and the first blade, the second blade and the third blade are alternately distributed in sequence.

4. The combined milling cutter disc according to claim 2, characterized in that: The fourth blade set includes 10 fourth blades, the fifth blade set includes 10 fifth blades, the fourth blades and the fifth blades are arranged on a second blade tooth in a one-to-one correspondence, and the fourth blades and the fifth blades are alternately distributed in sequence.

5. The combined milling cutter disc according to claim 1, characterized in that: A tool rod mounting hole is provided in the center of the first tool disc and the second tool disc, and 8 connection holes are provided on the tool disc surface outside the tool rod mounting hole in the circumferential direction.

6. The combined milling cutter disc according to claim 5, characterized in that: A keyway is provided on the inner wall of the knife bar mounting hole, and a key matched and connected with the keyway is provided on the knife bar.

7. The combined milling cutter disc according to claim 1, characterized in that: The thickness of the first blade disc is greater than the thickness of the second blade disc.

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