Multi-station milling cutter disc capable of conveniently and rapidly replacing blades

Abstract

The utility model belongs to the technical field of multi-station facing cutter components, and particularly relates to a multi-station facing cutter convenient for quickly replacing blades, which comprises a facing cutter main body, a milling cutter frame main body and a milling blade main body, and further comprises a positioning pin fixed on the milling blade main body, a positioning hole for the positioning pin to penetrate through is formed in the milling cutter frame main body, and a limiting hole is formed in the positioning pin; an operation sheet; the end, away from the operation piece, of the limiting pin penetrates through the through hole and then is embedded into the limiting hole. The reset spring is fixed between the inner wall of the control groove and the operation sheet; according to the utility model, the milling blade main body is positioned and mounted by embedding the positioning pin into the positioning hole, and the limiting pin is embedded into the limiting hole for locking under the elastic action of the reset spring, so that the milling blade main body can be quickly dismounted and replaced without a tool on the premise of ensuring the stable mounting of the milling blade main body, and the use is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of multi-station milling cutter disc components, and in particular relates to a multi-station milling cutter disc which is convenient for quickly replacing blades. Background Art

[0002] The milling cutter disc can carry the milling cutter and connect the driving mechanism to ensure that the milling cutter rotates quickly to achieve the purpose of milling the workpiece. Therefore, in order to ensure a good milling effect, the structural performance requirements of the milling cutter disc itself are relatively important. There are many types of milling cutter disc structures in the prior art.

[0003] At present, milling blades are usually fixed on the milling cutter disc by screws, and generally, a plurality of blades equally spaced along the circumferential direction are fixed on the same milling cutter disc.

[0004] For example, in the prior art, a Chinese utility model patent with authorization announcement number CN219986337U discloses "a multi-station milling cutter disc structure that is easy to install", including a milling cutter disc body, a mounting column and a mounting seat, wherein the mounting column is fixed to the top of the milling cutter disc body, and the mounting seat is installed on the top of the mounting column. It also includes an embedding block, an embedding groove and a fixed square rod, wherein the embedding block is fixed to the top surface of the mounting column, and the embedding block is provided with symmetrically distributed fixed square holes, and the embedding groove is provided for the embedding block to be embedded in the bottom of the mounting seat, which is convenient for the fixing mechanism to install or disassemble the milling cutter disc, and can facilitate the staff to carry out maintenance and replacement of the milling cutter disc in the later stage, and facilitate the rapid installation and disassembly of the milling cutter disc.

[0005] The multi-station milling cutter disc structure in the prior art, including the one mentioned above, is convenient for installation and disassembly of the milling cutter disc, but the blade is not convenient for installation and disassembly. Because the milling cutter blade will generate greater friction with the workpiece during operation, the milling cutter blade needs to be checked frequently, and the blade with severe wear needs to be replaced in time. The prior art fixes it with screws, and disassembly and assembly is time-consuming.

[0006] In order to solve the above problems, the present application proposes a multi-station milling cutter disc that is convenient for quickly replacing blades. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides a multi-station milling cutter disc which is convenient for quickly replacing blades and has the characteristics of being easy to use and easy to disassemble and assemble.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-station milling cutter disc for quick blade replacement, comprising a milling cutter disc main body, a plurality of milling cutter holder main bodies fixed on the milling cutter disc main body at equal intervals along the circumferential direction, and a milling cutter blade main body mounted on the milling cutter holder main body, the milling cutter disc main body having a mounting groove for the milling cutter holder main body to be embedded, the milling cutter holder main body having an assembly groove for the milling cutter blade main body to be embedded, and further comprising:

[0009] A positioning pin, wherein the positioning pin is fixed on the milling cutter blade body, the milling cutter holder body is provided with a positioning hole for the positioning pin to pass through, and a limiting hole is provided in the positioning pin;

[0010] An operating piece, which has a control groove on the milling cutter holder body, the operating piece is located in the control groove, and the milling cutter holder body also has a through hole for connecting the positioning hole with the control groove;

[0011] A limit pin, wherein the limit pin is fixed on the operating piece, and an end of the limit pin away from the operating piece passes through the through hole and then is embedded in the limit hole;

[0012] A return spring is fixed between the inner wall of the control groove and the operating piece.

[0013] As a preferred technical solution of the utility model, the outer wall of the milling cutter holder body is tightly fitted to the inner wall of the mounting groove.

[0014] As a preferred technical solution of the utility model, the outer wall of the milling cutter body is tightly fitted to the inner wall of the assembly groove.

[0015] As a preferred technical solution of the present utility model, the outer wall of the positioning pin is tightly fitted to the inner wall of the positioning hole.

[0016] As a preferred technical solution of the present utility model, the outer wall of the limiting pin is tightly fitted to the inner wall of the limiting hole.

[0017] As a preferred technical solution of the utility model, it also includes:

[0018] A guide rod is fixed in the control groove and passes through the operating piece.

[0019] As a preferred technical solution of the utility model, it also includes:

[0020] A top plate, the top plate being fixed to the top of the milling cutter disc body;

[0021] A mounting post is fixed to the top surface of the top plate.

[0022] As a preferred technical solution of the utility model, it also includes:

[0023] Positioning short columns, a plurality of said positioning short columns are fixed on the bottom surface of said top plate at equal intervals along the circumferential direction, and a positioning groove for embedding said positioning short columns is provided on said milling cutter holder body.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] In the utility model, the milling cutter blade body is positioned and installed by embedding a positioning pin into the positioning hole, and the limit pin is embedded in the limit hole for locking through the elastic force of the reset spring. Under the premise of ensuring the stable installation of the milling cutter blade body, the milling cutter blade body can be quickly disassembled and replaced without tools, which is more convenient to use.

[0026] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0028] Figure 1 It is a schematic diagram of the structure of the utility model;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the milling cutter holder body in the utility model;

[0030] Figure 3 This is a schematic diagram of the axonometric structure of the milling cutter holder body in the utility model;

[0031] Figure 4 For this utility model Figure 1 A in the figure is an enlarged structural diagram.

[0032] In the figure: 1. milling cutter disc body; 11. mounting groove; 2. milling cutter holder body; 21. assembly groove; 22. positioning hole; 23. control groove; 24. through hole; 25. positioning groove; 3. milling blade body; 31. positioning pin; 311. limiting hole; 4. top plate; 41. mounting column; 42. positioning short column; 5. operating piece; 6. limiting pin; 7. reset spring; 8. guide rod. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-Figure 4 The utility model provides the following technical solutions: a multi-station milling cutter disc for quick replacement of blades, comprising a milling cutter disc main body 1, a plurality of milling cutter holder main bodies 2 fixed on the milling cutter disc main body 1 at equal intervals along the circumferential direction, and a milling blade main body 3 installed on the milling cutter holder main body 2, the milling cutter disc main body 1 having an installation groove 11 for the milling cutter holder main body 2 to be embedded, the milling cutter holder main body 2 having an assembly groove 21 for the milling blade main body 3 to be embedded, and also including: a positioning pin 31, an operating sheet 5, a limit pin 6 and a reset spring 7.

[0035] Further, by Figure 1 and Figure 2 As shown, in the present embodiment, the positioning pin 31 is fixed on the milling cutter body 3, the milling cutter holder body 2 is provided with a positioning hole 22 for the positioning pin 31 to pass through, a limiting hole 311 is provided in the positioning pin 31, the milling cutter holder body 2 is provided with a control groove 23, the operating piece 5 is located in the control groove 23, and the milling cutter holder body 2 is further provided with a through hole 24 for connecting the positioning hole 22 with the control groove 23, the limiting pin 6 is fixed on the operating piece 5, and the end of the limiting pin 6 away from the operating piece 5 passes through the through hole 24 and then is embedded in the limiting hole 311, the reset spring 7 is fixed between the inner wall of the control groove 23 and the operating piece 5, and after adopting the above scheme, when installing the milling cutter body 3, the operating piece 5 is first toggled to make the limiting pin 6 retreat The reset spring 7 is in a contracted state at this time, and then the positioning pin 31 is inserted into the positioning hole 22 to make the milling cutter body 3 against the inner wall of the assembly groove 21. At this time, the limiting hole 311 is opposite to the through hole 24. At this time, the operating piece 5 is released, and the reset spring 7 releases the elastic force to reset the operating piece 5. The limiting pin 6 is embedded in the limiting hole 311 for locking. Under the premise of ensuring the stable installation of the milling cutter body 3, the milling cutter body 3 can be quickly disassembled and replaced without tools, and it is more convenient to use. When the milling cutter body 3 needs to be disassembled, the operating piece 5 is moved to make the limiting pin 6 retreat into the control groove 23. At this time, the limiting pin 6 is disengaged from the limiting hole 311, and the milling cutter body 3 can be directly pulled out, which is convenient for disassembly and replacement.

[0036] Preferably, by Figure 1 As shown, in this embodiment, the outer wall of the milling cutter holder body 2 is tightly fitted to the inner wall of the installation groove 11, which further improves the installation stability of the milling cutter holder body 2 and prevents the milling cutter holder body 2 from shaking and affecting the cutting accuracy.

[0037] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, the outer wall of the milling cutter body 3 is tightly fitted to the inner wall of the assembly groove 21, which further improves the installation stability of the milling cutter body 3 and prevents the milling cutter body 3 from shaking and affecting the cutting accuracy.

[0038] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, the outer wall of the positioning pin 31 fits tightly against the inner wall of the positioning hole 22, so the milling cutter body 3 will not vibrate relative to the milling cutter holder body 2, further improving the installation stability of the milling cutter body 3 and preventing the milling cutter body 3 from vibrating and affecting the cutting accuracy.

[0039] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, the outer wall of the limit pin 6 fits tightly against the inner wall of the limit hole 311, so the milling cutter blade body 3 will neither generate lateral vibration relative to the milling cutter holder body 2 nor longitudinal vibration relative to the milling cutter holder body 2, and the installation stability is relatively high.

[0040] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, it also includes: a guide rod 8, which is fixed in the control groove 23 and passes through the operating piece 5. After adopting the above scheme, the operating piece 5 is guided by the set guide rod 8 to improve the stability of the operating piece 5, thereby improving the stability of the limit pin 6, and further improving the stability of the installation of the milling cutter body 3.

[0041] Preferably, by Figure 1 As shown, in this embodiment, it also includes: a top plate 4 and a mounting column 41. The top plate 4 is fixed to the top of the milling cutter disc body 1, and the mounting column 41 is fixed to the top surface of the top plate 4. When in use, the top plate 4 is fixed to the top of the milling cutter disc body 1 with bolts, and the mounting column 41 is used to connect to the power components of the machine tool. The power components of the machine tool drive the mounting column 41, thereby driving the milling cutter disc body 1 to work.

[0042] Preferably, by Figure 1 and Figure 4 As shown, in this embodiment, it also includes: positioning short columns 42, multiple positioning short columns 42 are fixed on the bottom surface of the top plate 4 at equal intervals along the circumferential direction, and a positioning groove 25 is provided on the milling cutter holder body 2 for the positioning short columns 42 to be embedded. After the top plate 4 is fixed to the top end of the milling cutter disc body 1, the top plate 4 limits the milling cutter holder body 2 from the top, and at the same time, the positioning short columns 42 are embedded in the positioning groove 25 to further stabilize, thereby ensuring the stability of the fixed installation of the milling cutter holder body 2.

[0043] Components not described in detail herein are prior art.

[0044] Working principle and use process of the utility model: When the multi-station milling cutter disc assembly of the utility model is in use, the mounting column 41 is used to connect the power component of the machine tool, and the power component of the machine tool drives the mounting column 41, thereby driving the milling cutter disc body 1 to work;

[0045] When installing the milling cutter body 3, first move the operating piece 5 to make the limit pin 6 retreat into the control groove 23. At this time, the reset spring 7 is in a contracted state. Then, the positioning pin 31 is inserted into the positioning hole 22 to make the milling cutter body 3 abut against the inner wall of the assembly groove 21. At this time, the limit hole 311 is opposite to the through hole 24. At this time, the operating piece 5 is released, and the reset spring 7 releases the elastic force to reset the operating piece 5. The limit pin 6 is embedded in the limit hole 311 for locking. Under the premise of ensuring the stable installation of the milling cutter body 3, the milling cutter body 3 can be quickly disassembled and replaced without tools, which is more convenient to use.

[0046] When the milling cutter body 3 needs to be disassembled, the operating piece 5 is moved to make the limit pin 6 retreat into the control groove 23. At this time, the limit pin 6 is separated from the limit hole 311, and the milling cutter body 3 can be directly pulled out, which is convenient for disassembly and replacement.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A multi-station milling cutter disc for quick blade replacement, comprising a milling cutter disc main body (1), a plurality of milling cutter holder main bodies (2) fixed to the milling cutter disc main body (1) at equal intervals in the circumferential direction, and a milling cutter blade main body (3) mounted on the milling cutter holder main body (2), wherein the milling cutter disc main body (1) has a mounting groove (11) for the milling cutter holder main body (2) to be embedded, and the milling cutter holder main body (2) has an assembly groove (21) for the milling cutter blade main body (3) to be embedded, characterized in that: Also includes: A positioning pin (31), wherein the positioning pin (31) is fixed on the milling cutter blade body (3), the milling cutter holder body (2) is provided with a positioning hole (22) for the positioning pin (31) to pass through, and a limiting hole (311) is provided in the positioning pin (31); An operating piece (5) having a control groove (23) on the milling cutter holder body (2), the operating piece (5) being located in the control groove (23), and the milling cutter holder body (2) also having a through hole (24) for connecting the positioning hole (22) and the control groove (23); A limit pin (6), wherein the limit pin (6) is fixed on the operating sheet (5), and an end of the limit pin (6) away from the operating sheet (5) passes through the through hole (24) and is then embedded in the limit hole (311); A return spring (7), wherein the return spring (7) is fixed between the inner wall of the control groove (23) and the operating piece (5).

2. A multi-station milling cutter disc for quick blade replacement according to claim 1, characterized in that: The outer wall of the milling cutter holder body (2) is tightly fitted to the inner wall of the mounting groove (11).

3. The multi-station milling cutter disc for quick blade replacement according to claim 1, characterized in that: The outer wall of the milling cutter body (3) is tightly fitted to the inner wall of the assembly groove (21).

4. The multi-station milling cutter disc for quick blade replacement according to claim 1, characterized in that: The outer wall of the positioning pin (31) is tightly fitted to the inner wall of the positioning hole (22).

5. The multi-station milling cutter disc for quick blade replacement according to claim 1, characterized in that: The outer wall of the limiting pin (6) is tightly fitted to the inner wall of the limiting hole (311).

6. The multi-station milling cutter disc for quick blade replacement according to claim 1, characterized in that: Also includes: A guide rod (8), wherein the guide rod (8) is fixed in the control groove (23) and passes through the operating piece (5).

7. The multi-station milling cutter disc for quick blade replacement according to claim 1, characterized in that: Also includes: A top plate (4), the top plate (4) being fixed on the top of the milling cutter disc body (1); A mounting column (41), wherein the mounting column (41) is fixed to the top surface of the top plate (4).

8. The multi-station milling cutter disc for quick blade replacement according to claim 7, characterized in that: Also includes: Positioning short columns (42), a plurality of said positioning short columns (42) are fixed on the bottom surface of said top plate (4) at equal intervals along the circumferential direction, and said milling cutter holder body (2) is provided with positioning grooves (25) for embedding said positioning short columns (42).

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