Milling cutter with replaceable cutter head

Abstract

The utility model relates to the field of milling cutters, in particular to a milling cutter with a replaceable cutter head, which comprises a cutter head part, a handle part is assembled and mounted at the top of the cutter head part, a mounting block is transversely mounted at the joint of the cutter head part and the handle part, and fixing parts are symmetrically and rotationally arranged on the mounting block; the handle part is vertically installed on the connecting column, a handle part inserting groove is formed in the upper surface of the connecting column, an installing opening communicated with the handle part inserting groove is formed in the side wall of one side of the connecting column, a fixing part installing hole is formed in the side wall of the other side, away from the installing opening, of the connecting column, and the fixing part installing hole is communicated with the handle part inserting groove. According to the milling cutter, the cutter head part and the handle part of the milling cutter are detached, so that when the milling blade on the cutter head part is worn and broken and needs to be replaced, the cutter head part can be independently replaced only by detaching the mounting block, the whole milling cutter does not need to be replaced, only the cutter head part needs to be independently replaced, and the waste of materials is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to milling cutter technical field especially relates to a milling cutter of replaceable tool holder. BACKGROUND

[0002] Milling cutter is a kind of rotary cutter for milling processing, with one or more teeth, mainly used for milling plane, step, groove, shaped surface and cutting workpiece on milling machine etc. Milling cutter is processed by the way of rotation.

[0003] Some milling cutters in order to improve the firmness of milling blade, often milling blade is welded on tool holder, when wearing, milling blade is polished, but once milling blade is all broken, it cannot be replaced, only the whole milling cutter is discarded, causing material waste, and the cost is higher. INNOVATION CONTENT

[0004] The utility model aims at solving the shortcomings in prior art and provides a milling cutter of replaceable tool holder.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of milling cutter of replaceable tool holder, including tool head part, the handle portion is assembled and installed on the top of tool head part, the installation block is transversely installed at the junction of tool head part and handle portion, and the fixed component is symmetrically rotated and arranged on the installation block;

[0007] The tool head part includes tool head seat, the connecting column is vertically arranged at the top end of tool head seat, the handle portion is vertically installed on the connecting column, the handle portion slot is formed in the upper surface of the connecting column, the installation opening is formed in the side wall of the connecting column and communicated with the handle portion slot, and the fixed component mounting hole is formed in the side wall of the connecting column away from the installation opening and communicated with the handle portion slot.

[0008] In addition, preferably, the installation opening is installed with the installation block, and the fixed component mounting hole is installed with the fixed component.

[0009] In addition, preferably, the connecting column is symmetrically provided with the limiting lugs on the both sides of the handle portion slot.

[0010] In addition, preferably, the tool head seat is uniformly arranged with a plurality of milling blades.

[0011] In addition, preferably, the handle portion is symmetrically provided with the clamping groove on the side wall of the top end, and the installation block slot is formed through the bottom end of the handle portion column body, the installation block is arranged in the installation block slot, and the limiting clamping groove is formed on the both sides of the installation block slot.

[0012] In addition, preferably, the mounting block is symmetrically provided with a threaded hole, and the fixing component is mounted at the threaded hole.

[0013] In addition, preferably, the mounting block is symmetrically provided with a threaded hole, and the fixing component is mounted at the threaded hole.

[0014] The utility model discloses a milling cutter, which comprises a handle part and a tool head part. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 Fig. 4 is a structural schematic view of the handle part after the handle part and the tool head part are split;

[0016] Figure 2 Fig. 1 is a structural schematic view of the tool head part;

[0017] Figure 3 Fig. 2 is a structural schematic view of the tool head part from a left side view;

[0018] Figure 4 Fig. 3 is a structural schematic view of the tool head part from a right side view;

[0019] Figure 5 Fig. 4 is a structural schematic view of the handle part after the handle part and the tool head part are split;

[0020] Figure 6 Fig. 5 is a structural schematic view of the handle part;

[0021] Figure 7 Fig. 6 is a structural schematic view of the mounting block from a left side view;

[0022] Figure 8 Fig. 7 is a structural schematic view of the mounting block from a right side view.

[0023] In the drawings: 1 tool head part, 11 tool head seat, 111 milling cutter blade, 12 connecting column, 121 handle part slot, 1211 limiting protrusion, 122 mounting port, 123 fixing component mounting hole, 2 fixing component, 3 handle part, 31 clamping groove, 32 mounting block slot, 33 limiting clamping groove, 4 mounting block, 41 threaded hole, 42 mounting block, 421 slot. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0025] Refer toFigures 1-8 A replaceable head milling cutter, comprising a cutter head part 1, a handle part 3 is assembled and installed on the top of the cutter head part 1, a mounting block 4 is transversely installed at the connection between the cutter head part 1 and the handle part 3, and a fixing component 2 is symmetrically and rotatably arranged on the mounting block 4; the cutter head part 1 comprises a cutter head seat 11, a connecting column 12 is vertically arranged at the top end of the cutter head seat 11, the handle part 3 is vertically installed on the connecting column 12, a handle part slot 121 is formed at the upper surface of the connecting column 12, a mounting opening 122 is formed at the sidewall of the connecting column 12 and communicates with the handle part slot 121, a fixing component mounting hole 123 is formed at the sidewall of the connecting column 12 away from the mounting opening 122 and communicates with the handle part slot 121, and the handle part 3 is installed through the handle part slot 121.

[0026] In addition, the mounting block 4 is installed at the mounting opening 122, and the fixing component 2 is installed at the fixing component mounting hole 123, and the fixing component 2 is used to be screwed onto the mounting block 4 through the fixing component mounting hole 123.

[0027] Meanwhile, limit protrusions 1211 are symmetrically arranged at both sides of the handle part slot 121 of the connecting column 12, and the limit protrusions 1211 are used to clamp the handle part 3.

[0028] Furthermore, a plurality of milling blades 111 are uniformly arranged on the cutter head seat 11, and the milling blades 111 are used to mill workpieces.

[0029] Moreover, clamping grooves 31 are symmetrically formed at the top end sidewall of the handle part 3, a mounting block slot 32 is formed through the bottom end of the column body of the handle part 3, the mounting block 4 is arranged at the mounting block slot 32, limit clamping grooves 33 are symmetrically formed at both sides of the mounting block slot 32 of the handle part 3, and the limit clamping grooves 33 are used to abut against the limit protrusions 1211.

[0030] Meanwhile, threaded holes 41 are symmetrically formed on the block body of the mounting block 4, the fixing component 2 is installed at the threaded holes 41, mounting clamping blocks 42 are arranged at one side end of the mounting block 4, the mounting clamping blocks 42 are installed at the mounting opening 122, and tugging grooves 421 are symmetrically formed on the mounting clamping blocks 42, so as to be tugged by the operators to take down the mounting block 4.

[0031] In this embodiment, when the milling blades 111 on the cutter head part 1 are worn out and need to be replaced, the fixing component 2 is screwed out from the threaded holes 41, then the mounting block 4 is taken out from the mounting block slot 32 and the mounting opening 122 by tugging the tugging grooves 421, and then a new cutter head part 1 can be replaced. When the new cutter head part 1 is installed, the bottom end of the handle part 3 is inserted into the handle part slot 121, the limit clamping grooves 33 abut against the limit protrusions 1211, then the mounting block 4 is inserted into the mounting opening 122 and the mounting block slot 32, and then the fixing component 2 is screwed into the threaded holes 41 through the fixing component mounting hole 123, so as to complete the assembly.

[0032] The utility model discloses, through splitting the cutter head part 1 and handle part 3 of milling cutter, thereby realize the milling blade 111 on cutter head part 1 when needing replacement in wear and tear fracture, only need to remove the mounting block 4, can complete the individual replacement of cutter head part 1, like this need not to replace the whole milling cutter, only need to replace cutter head part 1 alone, effectively save the waste of material.

[0033] The above is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A replaceable-head milling cutter, comprising a cutter head (1), characterized in that, The top of the blade head (1) is fitted with a handle (3), and a mounting block (4) is horizontally installed at the connection between the blade head (1) and the handle (3). Fixing components (2) are symmetrically screwed onto the mounting block (4). The blade head (1) includes a blade head seat (11), a connecting post (12) is vertically arranged at the top of the blade head seat (11), the handle (3) is vertically installed on the connecting post (12), a handle slot (121) is provided on the upper surface of the connecting post (12), an installation port (122) communicating with the handle slot (121) is provided on one side wall of the connecting post (12), and a fixing component mounting hole (123) is provided on the other side wall of the connecting post (12) away from the mounting hole (122), and the fixing component mounting hole (123) is communicating with the handle slot (121).

2. The milling cutter with replaceable cutting head according to claim 1, characterized in that, An installation block (4) is installed at the installation port (122), and a fixing component (2) is installed at the fixing component installation hole (123).

3. A milling cutter with a replaceable cutting head according to claim 1, characterized in that, The connecting post (12) is provided with limiting protrusions (1211) symmetrically on both sides of the handle slot (121).

4. A milling cutter with a replaceable cutting head according to claim 1, characterized in that, Multiple milling blades (111) are evenly arranged on the cutter head holder (11).

5. A milling cutter with a replaceable cutting head according to claim 1, characterized in that, The top side wall of the handle (3) is symmetrically provided with clamping grooves (31), and the bottom end of the handle (3) is provided with a mounting block slot (32). The mounting block (4) is inserted through the mounting block slot (32). The handle (3) is provided with limit slots (33) symmetrically provided on both sides of the mounting block slot (32).

6. A milling cutter with a replaceable cutting head according to claim 5, characterized in that, The mounting block (4) has symmetrically opened threaded holes (41) on its body. The fixing component (2) is installed at the threaded holes (41). A mounting clip (42) is provided at one end of the mounting block (4).

7. A milling cutter with a replaceable cutting head according to claim 6, characterized in that, The mounting block (42) is installed at the mounting port (122), and the mounting block (42) has symmetrical slots (421).

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