Replaceable milling cutter blade with positioning and limiting structure

Abstract

The utility model relates to the technical field of milling cutters, in particular to a replaceable milling cutter blade with a positioning and limiting structure, which comprises a cutter holder, a plurality of mounting components are fixedly connected to the front part of the outer surface of the cutter holder, and the mounting components are distributed on the outer surface of the cutter holder in an annular array manner around the center of the cutter holder. The right ends of the multiple mounting assemblies are connected with connecting assemblies in a clamped mode. According to the replaceable milling cutter blade with the positioning and limiting structure, the mounting assembly and the connecting assembly are arranged, the two sleeve rods are sleeved with the two corresponding positioning rods respectively, meanwhile, the two positioning rods are sleeved with the two corresponding positioning holes respectively, and the milling cutter blade body is positioned and limited; according to the method, the milling cutter blade body can be conveniently mounted and dismounted, the whole cutter holder does not need to be replaced when the milling cutter blade body is damaged, the use cost of the whole milling cutter is reduced, and the milling cutter is convenient to dismount and mount.

Description

Technical Field

[0001] The utility model relates to the technical field of milling cutters, in particular to a replaceable milling cutter blade with a positioning and limiting structure. Background Art

[0002] A milling cutter is a rotary tool with one or more teeth used for milling. Each tooth cuts off the excess of the workpiece intermittently in sequence during operation. Milling cutters are mainly used to process planes, steps, grooves, forming surfaces and cut off workpieces on milling machines.

[0003] There are many milling blades on the milling cutter, but the milling blades of the milling cutter in the prior art still have the following shortcomings: the milling blades of the milling cutter in the prior art are directly fixed on the milling cutter. When one or more milling blades are severely worn and cannot be used, the entire milling cutter needs to be replaced, resulting in high replacement costs. Therefore, we propose a replaceable milling blade with a positioning and limiting structure. Utility Model Content

[0004] The main purpose of the utility model is to provide a replaceable milling cutter blade with a positioning and limiting structure, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A replaceable milling blade with a positioning and limiting structure comprises a tool holder, a plurality of mounting components are fixedly connected to the front of the outer surface of the tool holder, the plurality of mounting components are distributed on the outer surface of the tool holder in a central annular array of the tool holder, the right ends of the plurality of mounting components are all clamped with connecting components, and a through hole is opened in the middle of the front end of the tool holder to pass through the front and rear;

[0007] The mounting assembly includes a blade seat, a mounting groove is opened at the right end of the blade seat, a positioning rod is fixedly connected to the front and rear of the right end of the mounting groove, a No. 1 screw hole is opened in the middle of the right end of the mounting groove, and the lower end of the blade seat is fixedly connected to the upper end of the blade seat.

[0008] Preferably, the connecting assembly comprises a milling cutter body, and positioning holes are formed at the front left end and the rear left end of the milling cutter body, and sleeve rods are fixedly connected to the right inner wall surfaces of the two positioning holes.

[0009] Preferably, a circular hole is opened in the middle of the right end of the milling cutter body, and a No. 2 screw hole is opened on the left inner wall of the circular hole to pass through the left and right sides. A bolt is threadedly connected to the inner wall of the No. 2 screw hole, and a bolt cap is fixedly connected to the right end of the bolt.

[0010] Preferably, the two positioning rods are movably sleeved in the corresponding two positioning holes respectively.

[0011] Preferably, the two sleeve rods are movably sleeved in the corresponding two positioning rods respectively, and the left part of the outer surface of the bolt is threadedly connected to the inner wall surface of the No. 1 screw hole.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, by setting an installation component and a connecting component, the milling cutter body is placed in the corresponding installation groove during installation, so that the two sleeve rods are respectively inserted into the corresponding two positioning rods, and at the same time, the two positioning rods are respectively inserted into the corresponding two positioning holes, so that the milling cutter body is positioned and limited, and then the bolt is threadedly connected in the No. 2 screw hole and then extended to the No. 1 screw hole to be connected together with the cutter seat, so that the milling cutter body is installed and fixed on the corresponding cutter seat for use. This method can facilitate the installation and disassembly of the milling cutter body. When the milling cutter body is damaged, there is no need to replace the entire cutter seat, which reduces the use cost of the entire milling cutter and is convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the replaceable milling cutter blade with a positioning and limiting structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the installation assembly of the replaceable milling cutter blade with a positioning and limiting structure of the utility model;

[0016] Figure 3 It is a right side structural diagram of the connecting assembly of the replaceable milling cutter blade with a positioning and limiting structure of the utility model;

[0017] Figure 4 It is a left view structural diagram of the connecting assembly of the replaceable milling cutter blade with a positioning and limiting structure of the utility model.

[0018] In the figure: 1, tool holder; 2, mounting assembly; 3, connecting assembly; 4, through hole; 21, tool holder; 22, mounting slot; 23, positioning rod; 24, No. 1 screw hole; 31, milling cutter body; 32, positioning hole; 33, sleeve rod; 34, round hole; 35, No. 2 screw hole; 36, bolt; 37, bolt cap. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] See also Figure 1-4 , the utility model provides a technical solution:

[0023] A replaceable milling cutter blade with a positioning and limiting structure comprises a cutter seat 1, a plurality of mounting components 2 are fixedly connected to the front of the outer surface of the cutter seat 1, the plurality of mounting components 2 are distributed on the outer surface of the cutter seat 1 in a central annular array, a plurality of mounting components 2 are clamped with a connecting component 3 at the right ends, and a through hole 4 is opened in the middle of the front end of the cutter seat 1 to pass through the front and rear;

[0024] The mounting assembly 2 includes a blade seat 21, a mounting groove 22 is opened at the right end of the blade seat 21, a positioning rod 23 is fixedly connected to the front and rear of the right end of the mounting groove 22, a No. 1 screw hole 24 is opened in the middle of the right end of the mounting groove 22, and the lower end of the blade seat 21 is fixedly connected to the upper end of the blade seat 1.

[0025] In this embodiment, the connecting component 3 includes a milling blade body 31, and a positioning hole 32 is opened at the front left end and the rear left end of the milling blade body 31, and the right inner wall surfaces of the two positioning holes 32 are fixedly connected with a sleeve rod 33; a circular hole 34 is opened in the middle of the right end of the milling blade body 31, and the left inner wall surface of the circular hole 34 is opened with a No. 2 screw hole 35 passing through the left and right sides, and the inner wall surface of the No. 2 screw hole 35 is threadedly connected with a bolt 36, and the right end of the bolt 36 is fixedly connected with a bolt cap 37; the two positioning rods 23 are respectively movably sleeved in the corresponding two positioning holes 32; the two sleeve rods 33 are respectively movably sleeved in the corresponding two positioning rods 23, and the left part of the outer surface of the bolt 36 is threadedly connected with the inner wall surface of the No. 1 screw hole 24.

[0026] It should be noted that the utility model is a replaceable milling cutter blade with a positioning and limiting structure. During installation, the milling cutter blade body 31 is placed in the corresponding installation groove 22, so that the two sleeve rods 33 are respectively inserted into the corresponding two positioning rods 23, and the two positioning rods 23 are respectively inserted into the corresponding two positioning holes 32, so that the milling cutter blade body 31 is positioned and limited, and then the bolt 36 is threadedly connected in the No. 2 screw hole 35 and then extends to the No. 1 screw hole 24 to be connected to the blade seat 21, so that the milling cutter blade body 31 is installed and fixed on the corresponding blade seat 21 for use. This method can facilitate the installation and disassembly of the milling cutter blade body 31. When the milling cutter blade body 31 is damaged, there is no need to replace the entire cutter seat 1, which reduces the use cost of the entire milling cutter and facilitates disassembly and assembly.

[0027] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A replaceable milling cutter blade with a positioning and limiting structure, comprising a cutter seat (1), characterized in that: A plurality of mounting components (2) are fixedly connected to the front of the outer surface of the knife seat (1); the plurality of mounting components (2) are distributed on the outer surface of the knife seat (1) in a central annular array of the knife seat (1); a connection component (3) is clamped at the right end of each of the plurality of mounting components (2); and a through hole (4) is provided in the middle of the front end of the knife seat (1) and passes through the knife seat (1); The mounting assembly (2) comprises a blade seat (21), a mounting groove (22) is formed at the right end of the blade seat (21), a positioning rod (23) is fixedly connected to the front and rear parts of the right end of the mounting groove (22), a No. 1 screw hole (24) is formed at the middle part of the right end of the mounting groove (22), and the lower end of the blade seat (21) is fixedly connected to the upper end of the blade seat (1).

2. The replaceable milling cutter blade with a positioning and limiting structure according to claim 1, characterized in that: The connecting assembly (3) comprises a milling blade body (31), the left front end and the left rear end of the milling blade body (31) are both provided with positioning holes (32), and the right inner wall surfaces of the two positioning holes (32) are both fixedly connected with sleeve rods (33).

3. The replaceable milling cutter blade with a positioning and limiting structure according to claim 2, characterized in that: A circular hole (34) is formed in the middle of the right end of the milling cutter body (31); a second screw hole (35) is formed on the left inner wall of the circular hole (34) and passes through the left and right sides; a bolt (36) is threadedly connected to the inner wall of the second screw hole (35); and a bolt cap (37) is fixedly connected to the right end of the bolt (36).

4. The replaceable milling cutter blade with a positioning and limiting structure according to claim 1, characterized in that: The two positioning rods (23) are movably sleeved in the corresponding two positioning holes (32) respectively.

5. The replaceable milling cutter blade with a positioning and limiting structure according to claim 3, characterized in that: The two sleeve rods (33) are movably sleeved in the corresponding two positioning rods (23), and the left portion of the outer surface of the bolt (36) is threadedly connected to the inner wall surface of the No. 1 screw hole (24).

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