Adjustable combined type alloy inner hole boring cutter

Abstract

The utility model belongs to the field of cutting tools, particularly relates to a boring tool, and provides the following scheme aiming at the problem that the length of an existing boring tool is inconvenient to adjust: an adjustable combined alloy inner hole boring tool comprises a tool handle, a clamping position is arranged at one end of the tool handle, a mounting hole is formed in the other end of the tool handle, and a sliding groove I is formed in the inner wall of the mounting hole; a clamping groove is formed in one side of the first sliding groove. The first clamping block at one end of the cutter bar is connected with the clamping groove in a clamped mode, the rotating ring can drive the fixing rod on the connecting rod to move out of the moving hole to move towards the first sliding groove by rotating the rotating ring, the first clamping block on the cutter bar abuts against the rotating ring, the sliding block is moved downwards to fix the rotating ring, and the rotating ring, the connecting rod and the fixing rod cannot rotate. According to the boring cutter, the cutter bar is fixed and prevented from rotating in the using process, the multiple clamping grooves are formed in the cutter handle, a user can adjust the length of the cutter bar according to the hole depth through the multiple clamping grooves, inner holes with different depths can be machined, and the using efficiency and the utilization rate of the boring cutter are improved.

Description

Technical Field

[0001] The utility model relates to a boring tool, in particular to an adjustable combined alloy inner hole boring tool, belonging to the technical field of cutting tools. Background Art

[0002] A boring tool is a type of hole processing tool, generally with a round shank, but also with a square shank for larger workpieces. The most common occasions are internal hole processing, hole expansion, profiling, etc. However, it is not limited to processing inner holes, the outer circle of the end face can also be processed.

[0003] In the prior art, a boring tool disclosed in announcement number CN214290886U includes a shank, a neck, a head and a blade, the neck being provided with two symmetrically arranged chip grooves, the neck being arranged between the shank and the head, the head being provided with two symmetrically arranged chip grooves, the chip grooves being arranged parallel to the chip grooves, the blade being fixed to the head, the chip grooves being arranged parallel to the chip grooves, the blade being fixed to the head, and the arrangement of the chip grooves and the chip grooves can effectively reduce the wear of the boring tool, improve the machining accuracy and accelerate the machining efficiency.

[0004] When the above technical solution is in use, the boring tool is installed on the output end of the machine tool through the clamping position, and the hole is processed by the blade on the head. During the processing, the cut chips are discharged through the chip groove and the chip discharge groove. However, since the length of the tool body and the neck of the boring tool is fixed, the length of the boring tool cannot be adjusted. When it is necessary to process a deeper inner hole, the boring tool cannot be used for processing. It is necessary to replace the boring tool with another length to process the hole, which reduces the cutting efficiency. As a result, there is a problem that the boring tool length is inconvenient to adjust. In view of this, an adjustable combined alloy inner hole boring tool is provided to overcome the above defects. Utility Model Content

[0005] The utility model provides an adjustable combined alloy inner hole boring cutter to solve the problem that the length of the boring cutter is inconvenient to adjust.

[0006] The utility model achieves the above-mentioned purpose through the following technical scheme: an adjustable combined alloy inner hole boring tool, comprising a tool handle, one end of the tool handle is provided with a clamping position, the other end of the tool handle is provided with a mounting hole, the inner wall of the mounting hole is provided with a slide groove, one side of the slide groove is provided with a clamping groove, and the other side of the slide groove is provided with a moving hole;

[0007] A fixed rod is slidably connected inside the movable hole, one end of the fixed rod is fixedly connected to a connecting rod, one end of the connecting rod is fixedly connected to a second clamping block, one end of the second clamping block is fixedly connected to a rotating ring, a rotating groove is arranged on the outer side of the second clamping block, a second slide groove is arranged on the outer surface of the rotating ring, and a slider is arranged inside the second slide groove.

[0008] As a further solution of the utility model: a knife rod is arranged inside the mounting hole, and a clamping block 1 is fixed at one end of the knife rod.

[0009] As a further solution of the utility model: the rotating ring forms a rotating structure with the tool handle through the rotating groove and the second clamping block, and the sliding block forms a sliding structure with the rotating ring through the second sliding groove.

[0010] As a further solution of the utility model: a chip removal groove is provided at one end of the tool rod, and a tool groove is provided at one end of the chip removal groove.

[0011] As a further solution of the utility model: a hinge is fixed to the inner wall of the knife groove, and a fixing plate is fixed to one end of the hinge.

[0012] As a further solution of the utility model: a blade is arranged below the fixing plate, a fixing hole is opened on the outer surface of the fixing plate, and a bolt is connected to the inner thread of the fixing hole.

[0013] As a further solution of the utility model: the knife rod and the knife handle are detachably connected, and the fixing plate and the knife groove form a rotating structure through a hinge.

[0014] The beneficial effects of the utility model are:

[0015] 1. A clamping block 1 at one end of the tool bar is clamped with the clamping groove. By rotating the rotating ring, the rotating ring can drive the fixed rod on the connecting rod to move out of the moving hole and move toward the position of the sliding groove 1, and the clamping block 1 on the tool bar is abutted. The rotating ring is fixed by moving the slider downward, so that the rotating ring, the connecting rod and the fixed rod cannot rotate, and the tool bar is fixed to prevent rotation during use. A plurality of clamping grooves are arranged inside the tool handle. Through the plurality of clamping grooves, the user can adjust the length of the tool bar according to the hole depth, so that the user can process inner holes of different depths, thereby improving the use efficiency and utilization rate of the boring tool;

[0016] 2. The combinable structure between the handle and the shank, and between the shank and the blade allows the two to be disassembled for easy storage and replacement when any component is damaged, thus reducing wear and waste. The hinge allows the fixed plate and the knife groove to rotate, making it easy to take and place the blade when replacing it. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the knife bar of the utility model;

[0019] Figure 3 It is an enlarged view of point A of the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the knife handle of the utility model;

[0021] Figure 5 It is a side sectional view of the connection between the fixing ring and the knife handle of the utility model.

[0022] In the figure: 1. tool handle; 2. clamping position; 3. rotating ring; 4. tool rod; 5. chip groove; 6. tool groove; 7. blade; 8. fixing plate; 9. fixing hole; 10. bolt; 11. hinge; 12. clamping block 1; 13. slide groove 1; 14. clamping groove; 15. moving hole; 16. connecting rod; 17. fixing rod; 18. clamping block 2; 19. rotating groove; 20. slide groove 2; 21. slider; 22. mounting hole. DETAILED DESCRIPTION

[0023] 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. Embodiment 1

[0024] like Figures 1 to 5 As shown, an adjustable combined alloy inner hole boring tool comprises a tool handle 1, one end of the tool handle 1 is provided with a clamping position 2, the other end of the tool handle 1 is provided with a mounting hole 22, the inner wall of the mounting hole 22 is provided with a slide groove 13, one end of a tool rod 4 can be conveniently installed inside the tool handle 1 through the mounting hole 22 and the slide groove 13, one side of the slide groove 13 is provided with a clamping groove 14, a clamping block 12 at one end of the tool rod 4 can be clamped through the clamping groove 14, and a plurality of clamping grooves 14 are provided inside the tool handle 1, and a user can adjust the length of the tool rod 4 according to the hole depth through the plurality of clamping grooves 14, thereby improving the use efficiency and utilization rate of the boring tool;

[0025] A moving hole 15 is provided on the other side of the slide groove 13, and a fixed rod 17 is slidably connected inside the moving hole 15. One end of the fixed rod 17 is fixedly connected to a connecting rod 16, and one end of the connecting rod 16 is fixedly connected to a clamping block 2 18, and one end of the clamping block 2 18 is fixedly connected to a rotating ring 3. A rotating groove 19 is provided on the outer side of the clamping block 2 18, and a slide groove 20 is provided on the outer surface of the rotating ring 3. A slider 21 is provided inside the slide groove 20. By rotating the rotating ring 3, the rotating ring 3 can drive the fixed rod 17 on the connecting rod 16 to move out of the moving hole 15 toward the position of the slide groove 13, and abut against the clamping block 12 on the knife rod 4. The rotating ring 3 is fixed by moving the slider 21 downward, so that the rotating ring 3, the connecting rod 16 and the fixed rod 17 cannot rotate, and the knife rod 4 is fixed to prevent rotation during use. Embodiment 2

[0026] In addition to all the technical features of the first embodiment, this embodiment also includes:

[0027] A knife rod 4 is arranged inside the mounting hole 22, and a clamping block 12 is fixed at one end of the knife rod 4. The clamping block 12 at one end of the knife rod 4 can facilitate the combination of the knife handle 1 and the knife rod 4.

[0028] The rotating ring 3 forms a rotating structure with the tool handle 1 through the rotating groove 19 and the second clamping block 18, and the slider 21 forms a sliding structure with the rotating ring 3 through the second sliding groove 20. The clamping block 12 at one end of the tool rod 4 is clamped with the clamping groove 14. By rotating the rotating ring 3, the rotating ring 3 can drive the fixed rod 17 on the connecting rod 16 to move out of the moving hole 15 toward the position of the sliding groove 13, and abut against the clamping block 12 on the tool rod 4. The rotating ring 3 is fixed by moving the slider 21 downward, so that the rotating ring 3, the connecting rod 16 and the fixed rod 17 cannot rotate, and the tool rod 4 is fixed to prevent rotation during use. In addition, a plurality of clamping grooves 14 are arranged inside the tool handle 1. Through the plurality of clamping grooves 14, the user can adjust the length of the tool rod 4 according to the hole depth, so that it can process inner holes of different depths, thereby improving the use efficiency and utilization rate of the boring tool.

[0029] A chip removal groove 5 is provided at one end of the tool rod 4, and a tool groove 6 is provided at one end of the chip removal groove 5. The chip removal groove 5 allows a blade 7 in the tool groove 6 to discharge the chips cut in the hole.

[0030] A hinge 11 is fixed to the inner wall of the knife groove 6 , and a fixing plate 8 is fixed to one end of the hinge 11 . The fixing plate 8 and the knife groove 6 can be rotated through the hinge 11 to facilitate the replacement of the blade 7 .

[0031] A blade 7 is arranged below the fixing plate 8, a fixing hole 9 is opened on the outer surface of the fixing plate 8, a bolt 10 is connected to the inner thread of the fixing hole 9, and the fixing plate 8 and the blade 7 can be fixed by the bolt 10 and the fixing hole 9.

[0032] The knife bar 4 and the knife handle 1 form a detachable connection, and the fixed plate 8 forms a rotating structure with the knife groove 6 through the hinge 11. Through the combinable structure between the knife handle 1 and the knife bar 4, and the knife bar 4 and the blade 7, the two can be disassembled, which is convenient for storage and replacement when any component is damaged, reducing wear and waste. The hinge 11 can be used to rotate between the fixed plate 8 and the knife groove 6, so that the blade 7 can be easily taken in and out when it is replaced.

[0033] Working principle: On the tool bar 4 of the alloy inner hole boring tool, the fixing plate 8 is connected to the inner wall of the tool groove 6 through the hinge 11, and the fixing plate 8 is rotated through the hinge 11 to put the blade 7 into the tool groove 6, and then the blade 7 is fixed through the fixing hole 9 and the bolt 10 on the fixing plate 8. When the blade 7 is worn, the upper fixing plate 8 can be opened by the bolt 10 to replace the blade 7, which can increase the speed of replacing the tool and reduce the waste caused by replacing the entire tool due to blade damage. The tool groove 6 is located at the bottom of the chip groove 5. The end of the rotating ring 3 can make the cut debris be discharged through the chip discharge groove 5. After the blade 7 is installed, the slider 21 in the slide groove 20 on the rotating ring 3 is slid upward, and then the rotating ring 3 is rotated to make the block 2 18 on both sides of the rotating ring 3 rotate in the rotating groove 19, and drive the connecting rod 16 on one side of the rotating ring 3 to rotate so that the plurality of fixed rods 17 move toward the moving hole 15, and the slide groove 13 is vacant. Then, one end of the tool bar 4 is placed into the mounting hole 22 of the tool handle 1 through the block 12 and the slide groove 13, so that the position of the block 12 Corresponding to the position of the card slot 14, after alignment, the knife bar 4 is rotated to make the card block 12 above it quickly enter the card slot 14, and then the rotating ring 3 is rotated to make the rotating ring 3 drive the fixed rod 17 on the connecting rod 16 to move out of the moving hole 15 and move toward the position of the slide slot 13, so as to abut against the card block 12 on the knife bar 4, and fix the rotating ring 3 by moving the slider 21 downward, so that the rotating ring 3, the connecting rod 16 and the fixed rod 17 cannot rotate, and the knife bar 4 is fixed to prevent it from rotating during use, and the knife handle 1 A plurality of card slots 14 are arranged inside, through which the user can adjust the length of the tool rod 4 according to the hole depth, thereby improving the use efficiency and utilization rate of the boring tool, and through the combinable structure between the tool handle 1 and the tool rod 4, and the tool rod 4 and the blade 7, the two can be disassembled, so that any component can be replaced when it is damaged, thereby reducing wear and waste. A clamping position 2 is provided at one end of the tool handle 1, which can facilitate the assembly of the tool handle 1 and the tool rod 4 to the output end of the machine tool.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An adjustable combined alloy internal boring tool, comprising a tool handle (1), characterized in that: A clamping position (2) is provided at one end of the knife handle (1), a mounting hole (22) is provided at the other end of the knife handle (1), a slide groove (13) is provided on the inner wall of the mounting hole (22), a clamping groove (14) is provided on one side of the slide groove (13), and a moving hole (15) is provided on the other side of the slide groove (13); A fixed rod (17) is slidably connected inside the movable hole (15), one end of the fixed rod (17) is fixedly connected to a connecting rod (16), one end of the connecting rod (16) is fixedly connected to a second clamping block (18), one end of the second clamping block (18) is fixedly connected to a rotating ring (3), a rotating groove (19) is provided on the outer side of the second clamping block (18), a second slide groove (20) is provided on the outer surface of the rotating ring (3), and a sliding block (21) is provided inside the second slide groove (20).

2. The adjustable combined alloy inner hole boring cutter according to claim 1, characterized in that: A knife rod (4) is disposed inside the mounting hole (22), and a clamping block 1 (12) is fixed to one end of the knife rod (4).

3. The adjustable combined alloy inner hole boring tool according to claim 1, characterized in that: The rotating ring (3) forms a rotating structure with the tool handle (1) through the rotating groove (19) and the second clamping block (18), and the sliding block (21) forms a sliding structure with the rotating ring (3) through the second sliding groove (20).

4. The adjustable combined alloy inner hole boring tool according to claim 2, characterized in that: A chip removal groove (5) is formed at one end of the tool rod (4), and a tool groove (6) is formed at one end of the chip removal groove (5).

5. The adjustable combined alloy inner hole boring tool according to claim 4, characterized in that: A hinge (11) is fixed to the inner wall of the knife groove (6), and a fixing plate (8) is fixed to one end of the hinge (11).

6. The adjustable combined alloy inner hole boring tool according to claim 5, characterized in that: A blade (7) is arranged below the fixing plate (8), a fixing hole (9) is provided on the outer surface of the fixing plate (8), and a bolt (10) is threadedly connected to the interior of the fixing hole (9).

7. The adjustable combined alloy inner hole boring cutter according to claim 6, characterized in that: The knife rod (4) and the knife handle (1) are detachably connected, and the fixing plate (8) forms a rotating structure with the knife groove (6) via a hinge (11).

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