Numerical control machining slotting cutter

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to a numerical control machining slotting cutting tool which comprises a disc-shaped tool apron, a clamping rod and a tool bit, a plurality of installation grooves distributed at equal intervals in the circumferential direction are machined in the bottom face of the disc-shaped tool apron, the tool bit is fixed in the installation grooves, and the numerical control machining slotting cutting tool further comprises a countersunk screw, a plurality of clamping rods and a plurality of clamping rods, a counter bore is machined in the tool bit, a plurality of threaded holes distributed at equal intervals in the length direction of the mounting groove are machined in the mounting groove, and the sunk screws penetrate through the counter bore and then are screwed into the threaded holes in a threaded screwing mode. The countersunk head screws are matched with the threaded holes to fix the tool bits distributed at equal intervals in the circumferential direction, the multiple threaded holes are distributed, the positions of the tool bits can be adjusted, part of the tool bits can be put into use, the other part of the tool bits can be completely contained in the installation groove for standby application, different production requirements are met, and the production efficiency is improved. And after one end of the tool bit is worn, the tool bit can be reused after the direction is turned, so that the cost is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of machining tools, in particular to a numerical control machining slotting cutting tool. Background Art

[0002] CNC machining refers to a process method for processing parts on CNC machine tools. The process procedures of CNC machine tool processing are generally consistent with those of traditional machine tool processing, but there have also been significant changes. It is a mechanical processing method that uses digital information to control the displacement of parts and tools. It is an effective way to solve problems such as a wide variety of parts, small batches, complex shapes, and high precision, and to achieve efficient and automated processing.

[0003] Slotting cutters are commonly used tools for CNC slotting processing. They generally include a tool holder, a clamping rod and a tool head. The tool head is fixed to the tool holder using countersunk screws.

[0004] It was retrieved from the prior art that a Chinese utility model patent with authorization announcement number CN209867390U discloses "a slotting tool for a CNC machining center", which includes a tool rod, a tool base is fixedly connected to the lower side of the tool rod, a first locking screw is provided at the middle of the upper side of the lower end surface of the tool base, a first cutting knife is sleeved on the outer wall of the first locking screw, a second locking screw is provided on the lower left side of the tool base, a second cutting knife is sleeved on the outer wall of the second locking screw, a third locking screw is provided on the lower right side of the tool base, and a third cutting knife is sleeved on the outer wall of the third locking screw.

[0005] Although the slotting tools in the prior art, including those mentioned above, can meet general processing requirements, they cannot fine-tune the position of the tool head according to the actual processing conditions and cannot meet processing scenarios with different cutting requirements.

[0006] In order to solve the above problems, the utility model provides a CNC machining slotting cutter. Utility Model Content

[0007] In order to solve the above problems existing in the prior art, the utility model provides a CNC machining slotting cutter, which has the characteristics of being easy to use, easy to adjust and having a wide range of applications.

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a CNC machining slotting cutting tool, comprising a disc-shaped tool holder, a clamping rod fixed to the top surface of the disc-shaped tool holder, and a tool head, wherein a plurality of mounting grooves evenly spaced along the circumferential direction are machined on the bottom surface of the disc-shaped tool holder, the tool head being fixed in the mounting grooves, and further comprising:

[0009] A countersunk screw is processed with a countersunk hole on the cutter head, and a plurality of threaded holes are processed in the mounting groove and are evenly spaced along its length. The countersunk screw passes through the countersunk hole and is screwed into the threaded hole by thread engagement.

[0010] As a preferred technical solution of the present invention, an even number of the cutter heads are distributed at equal intervals along the circumferential direction.

[0011] As a preferred technical solution of the present invention, the outer wall of the cutter head abuts against the inner wall of the mounting groove.

[0012] As a preferred technical solution of the present invention, the cutter head is fixed in the mounting groove by two countersunk screws distributed at intervals.

[0013] As a preferred technical solution of the utility model, it also includes:

[0014] A flexible gasket is bonded and fixed in the mounting groove, and a through hole for the countersunk screw to pass through is processed on the flexible gasket.

[0015] As a preferred technical solution of the present invention, the flexible gasket is a silicone rubber component.

[0016] As a preferred technical solution of the present invention, the clamping rod and the disc-shaped tool holder are forged integral components.

[0017] As a preferred technical solution of the present invention, the length of the mounting groove is equal to that of the cutter head, and the length of the mounting groove is equal to one third of the diameter of the disc-shaped cutter seat.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] In the utility model, a plurality of cutter heads distributed at equal intervals along the circumferential direction are fixed by countersunk screws in combination with threaded holes, and there are a plurality of threaded holes, which not only can adjust the position of the cutter heads, but also can put some cutter heads into use and the other cutter heads can be completely stored in the installation groove as spare parts to meet different production needs. Moreover, after one end of the cutter head is worn, it can be reversed and reused, thereby reducing costs.

[0020] Other additional advantages and beneficial effects of the present invention will be partially given in the following description, and partially become obvious from the following description, or be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] 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:

[0022] Figure 1 It is a structural diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 3 For this utility model Figure 2 A in the figure is an enlarged structural diagram.

[0025] In the figure: 1, disc-shaped tool holder; 11, clamping rod; 12, mounting groove; 13, threaded hole; 2, tool head; 21, countersunk hole; 3, countersunk screw; 4, flexible gasket; 41, through hole. DETAILED DESCRIPTION

[0026] 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.

[0027] See also Figure 1-Figure 3 The utility model provides the following technical solutions: a CNC machining slotting cutting tool, comprising a disc-shaped tool holder 1, a clamping rod 11 fixed to the top surface of the disc-shaped tool holder 1, and a tool head 2, a plurality of mounting grooves 12 evenly spaced along the circumferential direction are processed on the bottom surface of the disc-shaped tool holder 1, the tool head 2 is fixed in the mounting groove 12, and also includes: a countersunk screw 3.

[0028] Further, by Figure 1-Figure 3 The tool holder 2 is fixed to the workbench 12 by the screw thread 13, and the tool holder 2 is fixed to the workbench 12 by the screw thread 13.

[0029] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, an even number of cutter heads 2 are evenly spaced along the circumferential direction. In the present utility model, there are six cutter heads 2 evenly spaced along the circumferential direction. When in use, three of the cutter heads 2 evenly spaced along the circumferential direction extend out of the mounting groove 12 and are put into the grooving work, and the extended lengths are equal. The other three cutter heads 2 evenly spaced along the circumferential direction are completely received into the mounting groove 12 as spare parts. When one end of the three cutter heads 2 put into the grooving work is worn, they can be reversed and reused, or the other three intact cutter heads 2 can be used for the grooving work.

[0030] Preferably, by Figure 1 As shown, in this embodiment, the outer wall of the cutter head 2 abuts against the inner wall of the mounting groove 12. After adopting the above solution, the stability of the cutter head 2 can be greatly improved during use, avoiding the cutter head 2 from shaking during operation and affecting the processing quality.

[0031] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, the cutter head 2 is fixed in the mounting groove 12 by using two countersunk screws 3 that are spaced apart. After adopting the above solution, the stability of the installation of the cutter head 2 can be greatly improved during use.

[0032] Preferably, by Figure 1-Figure 3 As shown, this embodiment also includes: a flexible gasket 4, which is bonded and fixed in the installation groove 12, and a through hole 41 for the countersunk screw 3 to pass through is processed on the flexible gasket 4. After adopting the above scheme, when in use, the flexible gasket 4 is flexible. On the one hand, it can further improve the stability of the installation of the cutter head 2. On the other hand, the flexible gasket 4 has a buffering and shock-resistant effect, which can effectively improve the safety of the installation of the cutter head 2.

[0033] Preferably, by Figure 1-Figure 3 As shown, in this embodiment, the flexible gasket 4 is a silicone rubber component, which has good high temperature resistance and high thermal stability, so that the flexible gasket 4 is not prone to aging when working in a high temperature environment for a long time and has a long service life.

[0034] Preferably, by Figure 1 and Figure 2 As shown, in this embodiment, the clamping rod 11 and the disc-shaped tool holder 1 are forged integral components with high structural strength.

[0035] Optionally, by Figure 1 and Figure 2As shown, in this embodiment, the length of the mounting groove 12 is equal to that of the cutter head 2, and the cutter head 2 can be completely received in the mounting groove 12. The length of the mounting groove 12 is equal to one-third of the diameter of the disc-shaped tool holder 1, thereby ensuring the mechanical stability of the disc-shaped tool holder 1 and avoiding affecting the mechanical strength of the disc-shaped tool holder 1 after the mounting groove 12 is processed.

[0036] Components not described in detail herein are prior art.

[0037] Working principle and use process of the utility model: When using the slotting cutting tool of the utility model, the disc-shaped tool holder 1 is fixed to the output shaft of the CNC machine tool by using the clamping rod 11, and the cutter head 2 is fixed in the mounting groove 12 by using the countersunk screw 3, and the cutter head 2 is controlled by the output shaft of the CNC machine tool to realize the slotting operation;

[0038] If necessary, the corresponding countersunk screw 3 can be unscrewed first, the position of the cutter head 2 can be adjusted, and then the countersunk screw 3 can be used to lock it. This is used to adjust the initial position of the cutter head 2 to meet processing scenarios with different cutting requirements.

[0039] In addition, part of the cutter head 2 can be extended from the mounting slot 12 to be used for grooving, and the other part of the cutter head 2 can be completely retracted into the mounting slot 12 as a spare to meet different production needs. Moreover, if one end of the cutter head 2 is worn, it can be reversed and reused, thereby reducing costs.

[0040] In the utility model, a plurality of cutter heads 2 equally spaced along the circumferential direction are fixed by countersunk screws 3 in conjunction with threaded holes 13, and there are a plurality of threaded holes 13, which not only can adjust the position of the cutter head 2, but also can make some cutter heads 2 put into use and the other part of the cutter heads 2 completely received in the mounting groove 12 as spare parts, so as to meet different production needs, and after one end of the cutter head 2 is worn, it can be turned around and reused, thereby reducing costs.

[0041] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A CNC machining slotting cutting tool, comprising a disc-shaped tool holder (1), a clamping rod (11) fixed to the top surface of the disc-shaped tool holder (1), and a tool head (2), wherein a plurality of mounting grooves (12) distributed at equal intervals along the circumferential direction are machined on the bottom surface of the disc-shaped tool holder (1), and the tool head (2) is fixed in the mounting grooves (12), characterized in that: Also includes: A countersunk screw (3) is processed on the cutter head (2) with a countersunk hole (21), and a plurality of threaded holes (13) are processed in the mounting groove (12) and are distributed at equal intervals along the length direction thereof. The countersunk screw (3) passes through the countersunk hole (21) and is screwed into the threaded hole (13) by screwing.

2. A CNC machining slotting cutter according to claim 1, characterized in that: An even number of the cutter heads (2) are distributed at equal intervals along the circumferential direction.

3. The CNC machining slotting cutter according to claim 1, characterized in that: The outer wall of the cutter head (2) abuts against the inner wall of the mounting groove (12).

4. The CNC machining slotting cutter according to claim 1, characterized in that: The cutter head (2) is fixed in the mounting groove (12) by means of two countersunk screws (3) distributed at intervals.

5. The CNC machining slotting cutter according to claim 1, characterized in that: Also includes: A flexible gasket (4) is bonded and fixed in the mounting groove (12), and a through hole (41) for the countersunk screw (3) to pass through is processed on the flexible gasket (4).

6. The CNC machining slotting cutter according to claim 5, characterized in that: The flexible gasket (4) is a silicone rubber component.

7. The CNC machining slotting cutter according to claim 1, characterized in that: The clamping rod (11) and the disc-shaped tool holder (1) are forged integral components.

8. The CNC machining slotting cutter according to claim 1, characterized in that: The length of the mounting groove (12) is equal to that of the cutter head (2), and the length of the mounting groove (12) is equal to one third of the diameter of the disc-shaped cutter seat (1).

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