Boring cutter for square tube machining

Abstract

The utility model discloses a boring cutter for square tube machining, and relates to the technical field of boring cutters. The cutter comprises a cutter handle, a cutter body and a cutter head, an adjusting assembly is arranged at the bottom of the cutter body and comprises a threaded rod, an inserting groove is formed in one end of the threaded rod, a tooth column is inserted into the inserting groove in a sliding mode, a connecting rod is fixedly arranged at the end, away from the inserting groove, of the tooth column, and a reset spring is movably arranged on the outer side of the connecting rod in a sleeved mode. The tooth column is driven by the connecting rod to move out of the locking groove, then the tooth column is rotated, the tooth column drives the threaded rod to rotate, the threaded rod drives the sliding block to move in the sliding groove, the sliding block drives the tool bit to move, in this way, the situation that the tool bit needs to be detached tediously during adjustment can be avoided, and the purpose of adjusting efficiency is achieved. A new blade is fixedly installed on the tool bit through the second screw rod, and then the tool bit is fixed below the tool body by inserting the first screw rod into the sliding block, so that the tool bit or the blade can be prevented from being replaced when damaged, and the purpose of reducing the use cost is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of boring cutters, in particular to a boring cutter for processing square tubes. Background Art

[0002] Boring cutters are a type of hole processing tool, usually with round handles, and square shanks are also used for larger workpieces. They are generally found in vertical lathes, and are most commonly used for inner hole processing, hole expansion, and profiling. However, it is not only possible to process inner holes, but also the outer circle of the end face can be processed. Boring cutters are often used for hole expansion in the processing of square tubes;

[0003] Existing boring tools are mostly split structures for convenient adjustment of the offset of the cutter head. However, the adjustment of the cutter head offset mostly requires removing the screws and then installing them in other holes to adjust the offset of the cutter body. This adjustment is relatively cumbersome and inefficient. Utility Model Content

[0004] In order to solve the problem that it is cumbersome and inefficient to adjust the offset of the cutter body by removing the screws, the utility model aims to provide a boring tool for processing square tubes.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a boring tool for square tube processing, comprising a tool handle, a tool body and a tool head, the tool handle is fixedly connected to the tool body, the tool head is located below the tool body, and an adjusting component is arranged at the bottom of the tool body, the adjusting component comprises a threaded rod, a sliding groove is arranged at the bottom end of the tool body, one end of the threaded rod is rotatably installed at one end of the sliding groove, a sliding block is arranged inside the sliding groove for sliding, the sliding block is threadedly sleeved on the outer side of the threaded rod, a slot is arranged at one end of the threaded rod, a tooth column is slidably inserted inside the slot, a connecting rod is fixedly arranged at one end of the tooth column away from the slot, a return spring is arranged on the outer side of the connecting rod, the tooth column is driven to move by the connecting rod, and the tooth column is driven to rotate by the connecting rod, the tooth column drives the threaded rod to rotate, so that the threaded rod drives the slider to move in the sliding groove, and the slider drives the tool head to move, so that the situation that the adjustment tool head needs to be disassembled which is more complicated can be avoided, and the connecting rod can be driven to reset by the elastic force of the return spring, the outer side of the tool body is provided with a groove, and one end of the connecting rod is movable The tool head is movable through the tool body and inserted in the groove, and a connecting rod can be installed through the groove. A scale line is arranged on the outer side of the tool body, and an indicator line is arranged on the outer side of the tool head. The indicator line is used in conjunction with the scale line. The offset distance of the tool head can be judged by moving the indicator line on the scale line. A plurality of guide grooves distributed side by side are provided on the top of the tool head, and a plurality of guide protrusions distributed side by side are fixedly provided on the bottom of the tool body. The guide protrusion is clamped in the guide groove. The movement stability of the tool head can be improved by moving the guide protrusion in the guide groove. A rotating cap is fixedly provided at one end of the connecting rod, and one end of the return spring is fixedly connected to the inner wall of the groove. The connecting rod can be conveniently driven to move and rotate through the rotating cap. A locking groove is provided at one end of the slide away from the threaded rod, and one end of the tooth column is inserted in the locking groove. The tooth column can be locked by inserting the tooth column into the locking groove. A section is provided on the outer side of the tool body and the outer side of the tool head. The indicator line and the scale line are respectively arranged on two sections, and the scale line and the indicator line can be conveniently set through the section.

[0006] Preferably, a first screw rod is movably passed through the bottom end of the cutter head, one end of the first screw rod is threadedly inserted into the bottom of the slider, a mirror-distributed blade is arranged on the cutter head, a second screw rod is movably passed through the middle of the blade, one end of the second screw rod is threaded on the cutter head, and a new blade is fixed to the cutter head by fixing it to the cutter head through the second screw rod, and then the cutter head is fixed under the cutter body by inserting the first screw rod into the slider, thus avoiding damage to the cutter head or blade and requiring replacement.

[0007] Compared with the prior art, the beneficial effects of the utility model are:

[0008] 1. The connecting rod drives the tooth column to move out of the locking groove, and then the tooth column is rotated, and the tooth column drives the threaded rod to rotate, so that the threaded rod drives the slider to move in the slide groove, and the slider drives the cutter head to move, which can avoid the cumbersome situation of adjusting the cutter head and disassembling it, thereby achieving the purpose of adjusting efficiency;

[0009] 2. By fixing a new blade to the cutter head through a second screw, and then inserting the first screw into the slider to fix the cutter head under the cutter body, it is possible to avoid replacement of the cutter head or blade due to damage, thereby achieving the purpose of reducing the cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 It is a schematic diagram of the structural section of the utility model.

[0013] Figure 3 for Figure 2 A is an enlarged view of the structure.

[0014] Figure 4 This is a schematic diagram of the cutter head and its connection structure of the utility model.

[0015] In the figure: 1. tool handle; 2. adjustment assembly; 21. threaded rod; 22. slide groove; 23. slider; 24. slot; 25. tooth column; 26. connecting rod; 27. rotating cap; 28. groove; 29. ​​return spring; 210. locking groove; 3. tool body; 4. tool head; 5. first screw; 6. blade; 7. second screw; 8. cut surface; 9. scale line; 10. indicator line; 11. guide groove; 12. guide protrusion. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] Example: Figure 1-4As shown, the utility model provides a boring tool for square tube processing, including a tool handle 1, a tool body 3 and a tool head 4, the tool handle 1 is fixedly connected to the tool body 3, the tool head 4 is located below the tool body 3, an adjustment component 2 is arranged at the bottom of the tool body 3, the adjustment component 2 includes a threaded rod 21, a slide groove 22 is arranged at the bottom end of the tool body 3, one end of the threaded rod 21 is rotatably mounted at one end of the slide groove 22, a slider 23 is arranged inside the slide groove 22 for sliding, the slider 23 is threadedly sleeved on the outside of the threaded rod 21, a slot 24 is arranged at one end of the threaded rod 21, a tooth column 25 is slidably inserted inside the slot 24, and the tooth column 25 A connecting rod 26 is fixedly provided at one end away from the slot 24, and a return spring 29 is provided on the outer movable sleeve of the connecting rod 26. The connecting rod 26 drives the tooth column 25 to move, and then drives the tooth column 25 to rotate through the connecting rod 26. The tooth column 25 drives the threaded rod 21 to rotate, so that the threaded rod 21 drives the slider 23 to move in the slide groove 22, and the slider 23 drives the cutter head 4 to move. This can avoid the cumbersome situation that the cutter head 4 needs to be disassembled for adjustment. The elastic force of the return spring 29 can drive the connecting rod 26 to reset. A groove 28 is provided on the outer side of the cutter body 3, and one end of the connecting rod 26 movably penetrates the cutter body 3 and Inserted in the groove 28, the connecting rod 26 can be installed through the groove 28, the outer side of the blade body 3 is provided with a scale line 9, the outer side of the blade head 4 is provided with an indicator line 10, the indicator line 10 is used in conjunction with the scale line 9, and the offset distance of the blade head 4 can be judged by moving the indicator line 10 on the scale line 9. The top of the blade head 4 is provided with a plurality of guide grooves 11 distributed side by side, and the bottom of the blade body 3 is fixedly provided with a plurality of guide protrusions 12 distributed side by side. The guide protrusion 12 is clamped in the guide groove 11, and the movement stability of the blade head 4 can be improved by moving the guide groove 11 on the guide protrusion 12. The connecting rod A rotating cap 27 is fixedly provided at one end of 26, and one end of the return spring 29 is fixedly connected to the inner wall of the groove 28. The rotating cap 27 can conveniently drive the connecting rod 26 to move and rotate. A locking groove 210 is provided at the end of the slide groove 22 away from the threaded rod 21, and one end of the tooth column 25 is inserted into the locking groove 210. The tooth column 25 can be locked by inserting the tooth column 25 into the locking groove 210. The outer side of the blade body 3 and the outer side of the blade head 4 are both provided with a cutting surface 8, and the indicator line 10 and the scale line 9 are respectively arranged on the two cutting surfaces 8, and the scale line 9 and the indicator line 10 can be conveniently set through the cutting surface 8.

[0018] A first screw rod 5 is movably passed through the bottom end of the cutter head 4, and one end of the first screw rod 5 is threadedly inserted into the bottom of the slider 23. A mirror-distributed blade 6 is provided on the cutter head 4, and a second screw rod 7 is movably passed through the middle of the blade 6, and one end of the second screw rod 7 is threaded on the cutter head 4. The new blade 6 is fixed to the cutter head 4 through the second screw rod 7, and then the cutter head 4 is fixed under the cutter body 3 by inserting the first screw rod 5 into the slider 23. This can avoid damage to the cutter head 4 or the blade 6 and require replacement.

[0019] Working principle: First, when it is necessary to adjust the offset position of the cutter head 4, the rotating cap 27 is pressed by a tool, and the rotating cap 27 drives the connecting rod 26 to move. At the same time, the rotating cap 27 compresses the reset spring 29, so that the reset spring 29 generates an elastic force, and the connecting rod 26 drives the tooth column 25 to move out of the locking groove 210, and then the rotating cap 27 is rotated. The rotating cap 27 drives the tooth column 25 to rotate through the connecting rod 26, and the tooth column 25 drives the threaded rod 21 to rotate, so that the threaded rod 21 drives the slider 23 to move in the slide groove 22, and the slider 23 drives the cutter head 4 to move. At the same time, the cutter head 4 moves on the guide protrusion 12 through the guide groove 11 to improve the movement stability, and then the offset distance of the cutter head 4 is judged by the moving reading of the indicator line 10 on the scale line 9. This can avoid the situation where the adjustment of the cutter head 4 needs to be disassembled, which is more cumbersome. After the adjustment is completed, the reset spring 29 drives the connecting rod 26 to reset through the elastic force, so that the connecting rod 26 drives the tooth column 25 to insert into the locking groove 210 to lock the tooth column 25;

[0020] When the cutter head 4 or the blade 6 is damaged, the cutter head 4 and the blade 6 are disassembled, and then a new blade 6 is fixed to the cutter head 4 by the second screw 7, and then the cutter head 4 is fixed under the cutter body 3 by inserting the first screw 5 into the slider 23, so as to avoid the cutter head 4 or the blade 6 from being damaged and having to be replaced, thereby achieving the purpose of reducing the use cost.

[0021] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A boring tool for processing a square tube, comprising a tool handle (1), a tool body (3) and a tool head (4), characterized in that: The knife handle (1) is fixedly connected to the knife body (3), the knife head (4) is located below the knife body (3), an adjustment assembly (2) is arranged at the bottom of the knife body (3), the adjustment assembly (2) comprises a threaded rod (21), a slide groove (22) is provided at the bottom end of the knife body (3), one end of the threaded rod (21) is rotatably mounted on one end of the slide groove (22), a slider (23) is provided inside the slide groove (22), the slider (23) is threadedly sleeved on the outside of the threaded rod (21), a slot (24) is provided at one end of the threaded rod (21), a tooth column (25) is slidably inserted inside the slot (24), a connecting rod (26) is fixedly provided at one end of the tooth column (25) away from the slot (24), and a return spring (29) is movably sleeved on the outside of the connecting rod (26).

2. A boring tool for processing square tubes as claimed in claim 1, characterized in that: A first screw rod (5) is movably inserted through the bottom end of the cutter head (4), one end of the first screw rod (5) is threadedly inserted into the bottom of the slider (23), and a mirror-distributed blade (6) is provided on the cutter head (4), a second screw rod (7) is movably inserted through the middle of the blade (6), and one end of the second screw rod (7) is threadedly generated on the cutter head (4).

3. A boring tool for processing square tubes as claimed in claim 1, characterized in that: A groove (28) is provided on the outer side of the knife body (3), and one end of the connecting rod (26) movably passes through the knife body (3) and is inserted into the groove (28).

4. A boring tool for processing square tubes as claimed in claim 1, characterized in that: The outer side of the blade body (3) is provided with scale lines (9), and the outer side of the blade head (4) is provided with indicator lines (10), and the indicator lines (10) are used in conjunction with the scale lines (9).

5. A boring tool for processing a square tube as claimed in claim 1, characterized in that: The top of the cutter head (4) is provided with a plurality of guide grooves (11) distributed side by side, and the bottom of the cutter body (3) is fixedly provided with a plurality of guide protrusions (12) distributed side by side, wherein the guide protrusions (12) are clamped in the guide grooves (11).

6. A boring tool for processing a square tube as claimed in claim 3, characterized in that: A rotating cap (27) is fixedly provided on one end of the connecting rod (26), and one end of the return spring (29) is fixedly connected to the inner wall of the groove (28).

7. A boring tool for processing a square tube as claimed in claim 1, characterized in that: A locking groove (210) is formed at one end of the slide groove (22) away from the threaded rod (21), and one end of the tooth column (25) is inserted into the locking groove (210).

8. A boring tool for processing a square tube as claimed in claim 4, characterized in that: The outer side of the blade body (3) and the outer side of the blade head (4) are both provided with cutting surfaces (8), and the indicating line (10) and the scale line (9) are respectively arranged on the two cutting surfaces (8).

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