Combined numerical control cutter

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to a combined numerical control tool which comprises a tapping rod, an adapter fixed at a non-working end of the tapping rod, a screw thread cutting edge arranged on the outer wall of the tapping rod, and a screw thread cutting edge fixed at the non-working end of the adapter, a connecting rod; a connecting cavity allowing the connecting rod to be embedded is machined in the clamping handle, and a second threaded hole is further machined in the clamping handle; the second locking bolt is screwed into the second threaded hole in a thread screwing mode; according to the screw tap, the screw tap is the detachable combination body of the tapping rod, the adapter and the clamping handle, the damaged part can be conveniently and independently detached and replaced according to actual needs, the maintenance cost is reduced, the connecting rod and the connecting cavity are connected to be of a telescopic structure, the overall length of the screw tap can be conveniently adjusted according to the actual needs, and the screw tap is convenient to use. And different machining requirements are met, and the machining safety is improved.

Description

Technical Field

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

[0002] A tap is a CNC tool used to process internal threads. According to its shape, it can be divided into spiral groove taps, blade angle taps, straight groove taps and pipe thread taps. According to the usage environment, it can be divided into hand taps and machine taps. According to its specifications, it can be divided into metric, American and imperial taps. Taps are the most mainstream processing tools used by manufacturing operators when tapping.

[0003] Taps are used for internal thread processing of thin-walled aluminum alloy parts. The tool head and handle of the tap are usually an integrated structure. For machine taps, they are fixed to the end of the output shaft of the tapping machine when in use, and the output shaft of the tapping machine controls the operation of the tap.

[0004] It was retrieved from the prior art that a Chinese utility model patent with authorization announcement number CN221621037U discloses "a tap for processing internal threads of sheet metal parts", which includes a working main taper, a taper body of the working main taper is provided with thread blades, a taper body of the working main taper is provided with chip grooves equidistantly spaced between the thread blades, a taper tail of the working main taper is provided with an insertion column, a taper tail of the working main taper is provided with a matching connecting rod, a front end of the connecting rod is provided with a socket matching the insertion column, a slide groove is provided on the circumference of the top edge of the insertion column, a slide rail matching the slide groove is provided on the inner side wall of the socket, and an integrally connected five-sided clamping handle is provided at the end of the connecting rod.

[0005] Although the taps in the prior art, including those mentioned above, have certain positive effects and can be disassembled and replaced separately for damaged parts, in actual use, the overall length of the tap cannot be adjusted, and there are great limitations in use. For example, when processing thin-walled aluminum alloy casings, it is inconvenient to process the threads inside the casing. During operation, the output shaft of the tapping machine may hit the workpiece due to insufficient tap length, posing a great safety hazard.

[0006] In order to solve the above problems, the present invention proposes a combined CNC tool. Utility Model Content

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

[0008] To achieve the above-mentioned object, the present invention provides the following technical solution: a combined CNC tool, comprising a tapping rod, wherein the outer wall of the tapping rod has a thread cutting edge, and further comprising:

[0009] an adapter, the adapter being fixed to the non-working end of the tapping rod;

[0010] A connecting rod, the connecting rod being fixed to the end of the adapter, and having a plurality of positioning grooves evenly spaced along the length thereof processed on the outer wall of the connecting rod;

[0011] A clamping handle, wherein a connecting cavity for the connecting rod to be embedded is processed in the clamping handle, and a No. 2 threaded hole is also processed on the clamping handle;

[0012] A No. 2 locking bolt is screwed into the No. 2 threaded hole by threaded engagement, and an end portion of the No. 2 locking bolt is embedded in the positioning groove.

[0013] As a preferred technical solution of the present invention, the connecting rod and the connecting cavity are both rectangular columnar structures, and the outer wall of the connecting rod abuts against the inner wall of the connecting cavity.

[0014] As a preferred technical solution of the utility model, it also includes:

[0015] A positioning guide rod is fixed to the end face of the adapter, and a positioning slot for embedding the positioning guide rod is processed in the clamping handle.

[0016] As a preferred technical solution of the present invention, there are two positioning guide rods and two positioning slots symmetrically distributed.

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

[0018] A mounting block, the mounting block being fixed to the non-working end of the tapping rod, and a mounting groove for embedding the mounting block being processed in the adapter;

[0019] A No. 1 locking bolt is processed with a No. 1 threaded hole on the mounting block, and a through hole is processed on the adapter. The No. 1 locking bolt passes through the through hole and is screwed into the No. 1 threaded hole by thread engagement.

[0020] As a preferred technical solution of the present invention, the mounting block and the mounting groove are both hexagonal prism structures, and the outer wall of the mounting block abuts against the inner wall of the mounting groove.

[0021] As a preferred technical solution of the present invention, there are two No. 1 locking bolts symmetrically distributed.

[0022] As a preferred technical solution of the present invention, a plurality of chip removal grooves evenly spaced along the circumferential direction are further processed on the outer wall of the tapping rod, and the working end face of the tapping rod is a cone.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] In the utility model, the tap is a detachable combination of a tapping rod, an adapter and a clamping handle, which is convenient for separately disassembling and replacing damaged parts according to actual needs, thereby reducing maintenance costs. In addition, the connecting rod and the connecting cavity are connected in a telescopic structure, which is convenient for adjusting the overall length of the tap according to actual needs, meeting different processing requirements and improving processing safety.

[0025] 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

[0026] 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:

[0027] Figure 1 It is a structural diagram of the utility model;

[0028] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0029] Figure 3 For this utility model Figure 1 A in the figure shows the enlarged structural diagram;

[0030] Figure 4 This is a schematic diagram of the exploded structure of the present invention.

[0031] In the figure: 1. Tapping rod; 11. Threaded blade; 12. Chip groove; 13. Cone; 14. Mounting block; 141. Threaded hole No. 1; 2. Adapter; 21. Connecting rod; 211. Positioning groove; 22. Mounting groove; 23. Through hole; 24. Positioning guide rod; 3. Clamping handle; 31. Connecting cavity; 32. Threaded hole No. 2; 33. Positioning slot; 4. Locking bolt No. 1; 5. Locking bolt No. 2. DETAILED DESCRIPTION

[0032] 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.

[0033] See also Figures 1-4The utility model provides the following technical solutions: a combined CNC tool, including a tapping rod 1, with a threaded edge 11 on the outer wall of the tapping rod 1, and also including: an adapter 2, a connecting rod 21, a clamping handle 3 and a No. 2 locking bolt 5.

[0034] Further, by Figure 1 and Figure 2 As shown, in this embodiment, the adapter 2 is fixed to the non-working end of the tapping rod 1, the connecting rod 21 is fixed to the end of the adapter 2, and a plurality of positioning grooves 211 are processed on the outer wall of the connecting rod 21 and are evenly spaced along its length direction. A connecting cavity 31 for the connecting rod 21 to be embedded is processed in the clamping handle 3, and a No. 2 threaded hole 32 is also processed on the clamping handle 3. The No. 2 locking bolt 5 is screwed into the No. 2 threaded hole 32 by threading, and the end of the No. 2 locking bolt 5 is embedded in the positioning groove 211. After adopting the above scheme, when in use, the clamping handle 3 is used to fix the tapping rod 1 to the output shaft of the tapping machine, and the tapping rod 1 is driven by the output shaft of the tapping machine to work. When necessary, the No. 2 locking bolt 5 can be loosened first to make the No. 2 locking bolt 5 is disengaged from the positioning groove 211, and then the length of the connecting rod 21 embedded in the connecting cavity 31 is adjusted to adjust the overall length of the tap. After the adjustment is completed, the second locking bolt 5 is tightened to make the second locking bolt 5 embedded in the positioning groove 211 at different positions to achieve locking, thereby ensuring the stability after adjustment, meeting different processing requirements, and improving the safety of processing. The tap of the utility model is a detachable combination of the tapping rod 1, the adapter 2 and the clamping handle 3, which is convenient for separately disassembling and replacing the damaged part according to actual needs, thereby reducing maintenance costs, and the connecting rod 21 and the connecting cavity 31 are connected as a telescopic structure, which is convenient for adjusting the overall length of the tap according to actual needs, thereby meeting different processing requirements and improving the safety of processing.

[0035] Preferably, by Figures 1-4 As shown, in this embodiment, the connecting rod 21 and the connecting cavity 31 are both rectangular columnar structures, and the outer wall of the connecting rod 21 abuts against the inner wall of the connecting cavity 31. After adopting the above scheme, when in use, the connecting rod 21 with a rectangular columnar structure and the connecting cavity 31 have a certain positioning function, ensuring the stability of the plug-in, avoiding relative rotation and shaking, and ensuring the reliability of processing.

[0036] Preferably, by Figure 1 and Figure 3 As shown, this embodiment also includes: a positioning guide rod 24, the positioning guide rod 24 is fixed to the end face of the adapter 2, and a positioning slot 33 for the positioning guide rod 24 to be embedded is processed in the clamping handle 3. After adopting the above scheme, when in use, the positioning guide rod 24 is embedded in the positioning slot 33, which further improves the stability of the connection between the connecting rod 21 and the clamping handle 3, avoids relative rotation and shaking, and ensures the reliability of processing.

[0037] Preferably, by Figure 1 and Figure 3 As shown, in this embodiment, there are two positioning guide rods 24 and two positioning slots 33 symmetrically distributed, which has high stability.

[0038] Optionally, by Figure 1 and Figure 2 As shown, this embodiment also includes: a mounting block 14 and a No. 1 locking bolt 4. The mounting block 14 is fixed to the non-working end of the tapping rod 1. A mounting groove 22 for the mounting block 14 to be embedded is processed in the adapter 2. A No. 1 threaded hole 141 is processed on the mounting block 14, and a through hole 23 is processed on the adapter 2. The No. 1 locking bolt 4 passes through the through hole 23 and is screwed into the No. 1 threaded hole 141 by threaded engagement. After adopting the above scheme, when using, when connecting the tapping rod 1 and the adapter 2, first embed the mounting block 14 into the mounting groove 22, and then tighten the No. 1 locking bolt 4 to lock it, so that a stable connection between the tapping rod 1 and the adapter 2 can be achieved.

[0039] Preferably, by Figure 1 、 Figure 2 and Figure 4 As shown, in this embodiment, the mounting block 14 and the mounting groove 22 are both hexagonal structures, and the outer wall of the mounting block 14 abuts against the inner wall of the mounting groove 22. After adopting the above scheme, when in use, the hexagonal mounting block 14 and the mounting groove 22 have a certain positioning function, ensuring the stability of the plug-in, avoiding relative rotation and shaking, ensuring the reliability of the processing, and ensuring that the No. 1 threaded hole 141 reliably corresponds to the through hole 23.

[0040] Preferably, by Figure 1 、 Figure 2 and Figure 4 As shown, in this embodiment, there are two No. 1 locking bolts 4 symmetrically distributed to ensure the stability of the connection between the tapping rod 1 and the adapter 2.

[0041] Preferably, by Figure 1 As shown, in this embodiment, a plurality of chip grooves 12 are also processed on the outer wall of the tapping rod 1 and are evenly spaced along the circumferential direction, and the working end face of the tapping rod 1 is a cone 13. After adopting the above scheme, when in use, the design of the cone 13 helps the tapping rod 1 to pierce the thin-walled aluminum alloy parts, which is conducive to safe and smooth tapping. The metal debris generated during the tapping process will be discharged along the chip groove 12.

[0042] Components not described in detail herein are prior art.

[0043] The working principle and use process of the utility model: When using the tap of the utility model, the clamping handle 3 is used to fix the tapping rod 1 on the output shaft of the tapping machine, and the output shaft of the tapping machine drives the tapping rod 1 to work;

[0044] When necessary, the second locking bolt 5 can be loosened first to disengage the second locking bolt 5 from the positioning groove 211, and then the length of the connecting rod 21 embedded in the connecting cavity 31 can be adjusted to adjust the overall length of the tap. After the adjustment is completed, the second locking bolt 5 can be tightened again to embed the second locking bolt 5 in the positioning groove 211 at different positions to achieve locking, thereby ensuring the stability after adjustment, meeting different processing requirements, and improving the safety of processing. In addition, it is also convenient to connect and disassemble the adapter 2 and the clamping handle 3, and is convenient for combined use and separate disassembly and replacement;

[0045] In the present invention, when connecting the tapping rod 1 and the adapter 2, the mounting block 14 is first inserted into the mounting groove 22, and then the No. 1 locking bolt 4 is tightened to lock the tapping rod 1 and the adapter 2. The stable connection between the tapping rod 1 and the adapter 2 is achieved, which is convenient and has high stability. In addition, the tapping rod 1 and the adapter 2 are easy to connect and disassemble, and are easy to use in combination or disassemble and replace separately.

[0046] The tap of the present invention is a detachable combination of a tapping rod 1, an adapter 2 and a clamping handle 3, which is convenient for separately disassembling and replacing damaged parts according to actual needs, thereby reducing maintenance costs. In addition, the connecting rod 21 and the connecting cavity 31 are connected as a telescopic structure, which is convenient for adjusting the overall length of the tap according to actual needs, meeting different processing requirements and improving processing safety.

[0047] 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 combined CNC tool, comprising a tapping rod (1), wherein the outer wall of the tapping rod (1) has a thread cutting edge (11), characterized in that: Also includes: An adapter (2), the adapter (2) being fixed to the non-working end of the tapping rod (1); A connecting rod (21), the connecting rod (21) being fixed to the end of the adapter (2), and having a plurality of positioning grooves (211) distributed at equal intervals along the length direction thereof processed on the outer wall of the connecting rod (21); A clamping handle (3), wherein a connecting cavity (31) for embedding the connecting rod (21) is formed in the clamping handle (3), and a second threaded hole (32) is also formed on the clamping handle (3); A No. 2 locking bolt (5) is screwed into the No. 2 threaded hole (32) by screwing, and the end of the No. 2 locking bolt (5) is embedded in the positioning groove (211).

2. A combined CNC tool according to claim 1, characterized in that: The connecting rod (21) and the connecting cavity (31) are both rectangular columnar structures, and the outer wall of the connecting rod (21) abuts against the inner wall of the connecting cavity (31).

3. The combined CNC tool according to claim 1, characterized in that: Also includes: A positioning guide rod (24) is fixed to the end face of the adapter (2), and a positioning slot (33) for embedding the positioning guide rod (24) is processed in the clamping handle (3).

4. The combined CNC tool according to claim 3, characterized in that: There are two positioning guide rods (24) and two positioning slots (33) symmetrically distributed.

5. The combined CNC tool according to claim 1, characterized in that: Also includes: A mounting block (14), the mounting block (14) being fixed to the non-working end of the tapping rod (1), and a mounting groove (22) for embedding the mounting block (14) being machined in the adapter (2); A No. 1 locking bolt (4) is processed on the mounting block (14) with a No. 1 threaded hole (141), and a through hole (23) is processed on the adapter (2). The No. 1 locking bolt (4) passes through the through hole (23) and is screwed into the No. 1 threaded hole (141) by screwing.

6. The combined CNC tool according to claim 5, characterized in that: The mounting block (14) and the mounting groove (22) are both hexagonal prism structures, and the outer wall of the mounting block (14) abuts against the inner wall of the mounting groove (22).

7. The combined CNC tool according to claim 5, characterized in that: There are two No. 1 locking bolts (4) symmetrically distributed.

8. The combined CNC tool according to claim 1, characterized in that: The outer wall of the tapping rod (1) is also processed with a plurality of chip removal grooves (12) distributed at equal intervals along the circumferential direction, and the working end face of the tapping rod (1) is a cone (13).

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