Machine tool machining tool with replaceable tool bit

Abstract

The utility model discloses a machine tool machining cutter with a replaceable cutter head, and relates to the technical field of machine tool machining cutters, the machine tool machining cutter comprises a cutter bar, the surface of the cutter bar is provided with a limiting groove, a mounting groove is formed in the limiting groove, a positioning hole is formed in the middle of the interior of the limiting groove, and a pressing block is inserted in the limiting groove; a limiting hole penetrating through the surface of the pressing block is formed in the pressing block, a PCD blade is arranged in the mounting groove, and a counterbore is in threaded connection with the interior of the limiting hole. When the PCD blade is damaged or needs to be replaced, the locking bolt is taken out from the positioning hole, so that the pressing block is moved outwards, the PCD blade is taken out, a new PCD blade is placed in the mounting groove, the PCD blade is aligned with the edge of the mounting groove, the pressing block is placed in the limiting groove, the fixing block is tightly attached to the PCD blade, and the PCD blade is taken out. Locking bolts are sequentially screwed into the limiting holes and the positioning holes, and then the PCD blade can be installed and fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of machine tool processing tools, in particular to a machine tool processing tool with a replaceable cutter head. Background Art

[0002] Cutting tools are tools used for cutting in mechanical manufacturing, also known as cutting tools. The vast majority of cutting tools are machine-made, but some are also hand-made. Since cutting tools used in mechanical manufacturing are essentially used to cut metal materials, the term "cutting tool" is generally understood to refer to metal cutting tools. In traditional machine tool systems, tools are generally divided into a shank and a cutter head. The shank is the connecting part that connects to the machine tool, while the replaceable blade is connected to the shank and directly acts on the various products being cut. Because the replaceable blade continuously wears during the cutting process, the replaceable blade needs to be replaced frequently.

[0003] Application number CN201721019956.1 discloses a welded tool structure comprising a cylindrical tool body, the tool body comprising a cutter head and a tool shank, the cutter head being located at the left end of the tool shank. The cutter head and tool shank are integrally formed. The cutter head is provided with a plurality of chip grooves centered on a central axis, the chip grooves being arranged along the axial direction of the tool body. Fixed protrusions are provided at positions corresponding to the chip grooves on the left end face of the cutter head. The side of the fixed protrusions proximal to the chip grooves forms a mounting portion for mounting a blade with the blade welded therein. This welded tool structure, with its integrated structure, requires only the blade to be welded to the mounting portion of the fixed protrusion during use. The blade's area is primarily sufficient for machining, eliminating the need for clamping. This can significantly save material for the cutter head and improve production efficiency. Furthermore, the tool itself has higher precision and coaxiality, ensuring the stability of the processed product.

[0004] However, the above-mentioned tool is integrally welded, has a relatively simple use, and is inconvenient to replace the tool head, and there is room for improvement. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the shortcomings of the existing technology, the utility model provides a tool for machine tool processing with a replaceable tool head, which solves the problems of integral welding of the tool, cumbersome replacement, and relatively simple use, which leaves room for improvement.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a tool for machine tool processing with a replaceable tool head, comprising: a tool rod, a limiting groove is provided on the surface of the tool rod, a mounting groove is provided in the limiting groove, a positioning hole is provided in the center position of the limiting groove, a pressure block is inserted in the limiting groove, a limiting hole is provided on the pressure block that passes through the surface of the pressure block, a PCD blade is provided in the mounting groove, and a locking bolt is threadedly connected to the limiting hole.

[0009] Preferably, a countersunk hole is provided at one end of the locking bolt, and internal threads matching the threads of the locking bolt are provided in the limiting hole and the positioning hole.

[0010] Preferably, an arc-shaped groove is provided at the bottom of the limiting groove, and an arc-shaped portion with the same curvature as that of the arc-shaped groove is provided at the bottom of the pressing block.

[0011] Preferably, one side of the pressing block is fixedly connected to a fixing block, and the fixing block is arranged in close contact with the PCD blade.

[0012] Preferably, the mounting slot and the PCD blade are both hexagonal.

[0013] Preferably, protective grooves are symmetrically arranged at the bottom of the installation groove, and the spacing between the protective grooves is the same as the side length of the PCD blade.

[0014] Preferably, a non-slip layer is provided on a side of the fixing block close to the PCD blade, and the fixing block is arranged in a central position on one side of the PCD blade.

[0015] Beneficial effects

[0016] The present invention provides a tool for machine tool processing with a replaceable tool head, which has at least the following beneficial effects compared with the prior art:

[0017] When the PCD blade is damaged or needs to be replaced, remove the locking bolt from the positioning hole to move the pressing block outward and take out the PCD blade. Place the new PCD blade into the installation slot, align the PCD blade with the edge of the installation slot, place the pressing block into the limiting slot, make the fixing block fit tightly against the PCD blade, and screw the locking bolt into the limiting hole and the positioning hole in sequence to install and fix the PCD blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the installation of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the installation slot of the utility model;

[0021] Figure 4 This is a structural diagram of the fixing block of the utility model.

[0022] In the figure: 1. Tool bar; 2. Limiting groove; 3. Mounting groove; 4. Positioning hole; 5. Pressure block; 6. Locking bolt; 7. Countersunk hole; 8. Limiting hole; 9. PCD blade; 10. Fixing block; 11. Arc groove; 12. Arc portion; 13. Protective groove. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example 1:

[0025] See also Figure 1-4 The utility model provides a technical solution: a tool rod 1, a limiting groove 2 is provided on the surface of the tool rod 1, a mounting groove 3 is provided in the limiting groove 2, a positioning hole 4 is provided in the center of the limiting groove 2, a pressure block 5 is inserted in the limiting groove 2, and a limiting hole 8 is provided on the pressure block 5 that passes through the surface of the pressure block 5, a PCD blade 9 is provided in the mounting groove 3, and a locking bolt 6 is threadedly connected to the limiting hole 8.

[0026] Analysis of the above content: When the PCD blade 9 is damaged or needs to be replaced, remove the locking bolt 6 from the positioning hole 4, thereby moving the pressure block 5 outward and taking out the PCD blade 9. Place the new PCD blade 9 into the installation slot 3, align the PCD blade 9 with the edge of the installation slot 3, place the pressure block 5 into the limiting slot 2, make the fixing block 10 close to the PCD blade 9, and screw the locking bolt 6 into the limiting hole 8 and the positioning hole 4 in turn to install and fix the PCD blade 9.

[0027] Example 2:

[0028] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: a countersunk hole 7 is provided at one end of the locking bolt 6, and an internal thread matching the thread of the locking bolt 6 is provided in the limiting hole 8 and the positioning hole 4.

[0029] Analysis of the above content: The pressing block 5 is fixed by twisting the locking bolt 6, so that the pressing block 5 moves toward the limiting groove 2, and the PCD insert 9 is pressed and fixed.

[0030] Example 3:

[0031] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: an arc-shaped groove 11 is provided at the bottom of the limiting groove 2 , and an arc-shaped portion 12 having the same arc as the arc-shaped groove 11 is provided at the bottom of the pressing block 5 .

[0032] Analysis of the above content: The arrangement of the arcuate groove 11 and the arcuate portion 12 facilitates the positioning and installation of the pressing block 5, so that the pressing block 5 can better fix the PCD insert 9.

[0033] Example 4:

[0034] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: a fixing block 10 is fixedly connected to one side of the pressing block 5 , and the fixing block 10 is fitted with the PCD blade 9 .

[0035] Analysis of the above content: the pressing block 5 moves toward the installation slot 3, so that the fixing block 10 fits with the PCD blade 9. The PCD blade 9 is installed and fixed by the fixing block 10, which makes it easy to replace the PCD blade 9 and convenient to use.

[0036] Embodiment 5:

[0037] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the mounting groove 3 and the PCD insert 9 are both hexagonal.

[0038] Analyzing the above contents: the PCD insert 9 is limited by the mounting groove 3, and the fixing blocks 10 cooperate with each other to press and fix the PCD insert 9.

[0039] Example 6:

[0040] See also Figure 1-4 Based on the first embodiment, the present invention provides a technical solution: symmetrically disposed protective grooves 13 are provided at the bottom of the mounting slot 3, with the spacing between the protective grooves 13 being the same as the side length of the PCD blade 9. A non-slip layer is provided on the side of the fixing block 10 close to the PCD blade 9, and the fixing block 10 is centrally located on one side of the PCD blade 9.

[0041] Analysis of the above content: The protection groove 13 is provided to facilitate the PCD blade 9 to enter the installation groove 3, thereby avoiding damage to the edge of the PCD blade 9 and affecting the use of the tool.

[0042] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tool for machine tool processing with a replaceable tool head, characterized in that: include: A tool rod (1) is provided with a limiting groove (2) on the surface of the tool rod (1), a mounting groove (3) is provided in the limiting groove (2), a positioning hole (4) is provided at a central position inside the limiting groove (2), a pressure block (5) is inserted into the limiting groove (2), a limiting hole (8) is provided on the pressure block (5) and passes through the surface of the pressure block (5), a PCD blade (9) is provided in the mounting groove (3), and a locking bolt (6) is connected to the inner thread of the limiting hole (8).

2. A tool for machine tool processing with a replaceable tool head according to claim 1, characterized in that: A countersunk hole (7) is provided at one end of the locking bolt (6), and internal threads matching the threads of the locking bolt (6) are provided in the limiting hole (8) and the positioning hole (4).

3. The tool for machine tool processing with a replaceable tool head according to claim 1, characterized in that: The bottom of the limiting groove (2) is provided with an arc-shaped groove (11), and the bottom of the pressing block (5) is provided with an arc-shaped portion (12) having the same arc as the arc-shaped groove (11).

4. The tool for machine tool processing with a replaceable tool head according to claim 3, characterized in that: A fixing block (10) is fixedly connected to one side of the pressing block (5), and the fixing block (10) is arranged in close contact with the PCD blade (9).

5. The tool for machine tool processing with a replaceable tool head according to claim 1, characterized in that: The mounting groove (3) and the PCD blade (9) are both arranged in a hexagonal shape.

6. The tool for machine tool processing with a replaceable tool head according to claim 5, characterized in that: The bottom of the installation groove (3) is symmetrically provided with protective grooves (13), and the spacing between the protective grooves (13) is the same as the side length of the PCD blade (9).

7. The tool for machine tool processing with a replaceable tool head according to claim 4, characterized in that: A non-slip layer is provided on the side of the fixing block (10) close to the PCD blade (9), and the fixing block (10) is arranged at a central position on one side of the PCD blade (9).

Images