Boring cutter

Abstract

The utility model discloses a boring cutter, and relates to the technical field of boring cutters. The boring tool comprises a boring tool base and two blades, the two blades are located on the two sides of the boring tool base, and two turning tool rods are movably inserted into a square groove. Through mutual cooperation of the rotating shaft, the disc, the worm gear, the worm, the connecting plate, the turning tool rod and other structures, the connecting plate can drive the turning tool rod to adjust the length, through self-locking of the worm gear and the worm, the structure is more stable after the turning tool rod is adjusted, meanwhile, the threaded rod and the extrusion block are matched to reinforce the turning tool rod, and the machining precision is improved. Compared with the prior art, the turning tool rod is more stable in the working process, operation can be easy in the turning tool rod adjusting process, the fixing plate, the external inserting groove, the screw and other structures are arranged to be matched with one another, installation of the blade can be reinforced, the phenomenon that the blade shakes in long-time work is avoided, and therefore the stability of the blade is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boring tool tools, in particular to a boring tool tool. Background Art

[0002] In the process of processing deep holes inside products, a batch of products often have the same structure but different inner hole sizes, so it is necessary to adjust the depth of the tool multiple times to adapt to the parts to be processed with different sizes and internal depths of holes. The publication (announcement) number is: CN218836114U, which discloses a boring tool. When the tool rod is extended, the device is only fixed by adjusting bolts. During long-term work, it is very easy to cause the tool rod to shake, which will lead to a decrease in the qualified rate of the processed products. In addition, it is too troublesome and inconvenient to adjust the tool rod. The current blade is often installed by bolts, which is too simple to install, which will cause the blade to shake. In view of the above problems, the inventor proposes a boring tool to solve the above problems. Utility Model Content

[0003] In order to solve the problem that the tool rod is not installed stably after the length is adjusted and the blade is not installed stably, the utility model aims to provide a boring tool.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions: a boring tool, comprising a boring tool seat and a blade, there are two blades in total, the two blades are located on both sides of the boring tool seat, a square groove is opened in the boring tool seat, two turning tool rods are movably inserted in the square groove, the two blades are respectively installed on the outside of the two turning tool rods, a rotating shaft is rotatably provided in the boring tool seat, a fixed sleeve outside the rotating shaft is provided with a disc, two connecting plates are rotatably provided on the side of the disc away from the rotating shaft, and one end of the two connecting plates away from the disc is rotatably connected to the two turning tool rods respectively, a worm gear is provided in the fixed sleeve outside the rotating shaft, a worm is rotatably provided in the boring tool seat, and the worm and the worm gear are meshed with each other.

[0005] Preferably, fixing plates are fixed on both sides of the blade, an external slot is fixed on the outer side of the end of the tool rod away from the boring tool seat, the fixing plate is movably inserted in the external slot, two screws are inserted into the internal threads of the external slot, and the screw threads are inserted through the fixing plate.

[0006] Preferably, the blade is connected to the tool rod by bolts, a connecting piece is installed on the top of the boring tool seat, a rotating block is rotatably provided on the top of the boring tool seat, and the bottom end of the rotating block is fixedly connected to the worm.

[0007] Preferably, the inner thread of the boring tool seat is inserted with symmetrically distributed threaded rods, the bottom end of the threaded rod is rotatably provided with an extrusion block, the extrusion block is fitted with the top of the turning tool rod, and the top of the boring tool seat is rotatably provided with two turntables, and the bottom ends of the two turntables are respectively fixedly connected to the two threaded rods.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. In the utility model, the rotating shaft, the disc, the worm wheel, the worm, the connecting plate and the tool rod cooperate with each other, and the tool rod can be driven by the connecting plate to adjust the length, and the self-locking of the worm wheel and the worm makes the structure of the tool rod more stable after the adjustment is completed. At the same time, the tool rod can be reinforced by the threaded rod and the extrusion block, making it more stable during the working process, and the operation of adjusting the tool rod can be simple;

[0010] 2. In the utility model, by arranging the fixing plate, the external slot and the screws and other structures cooperating with each other, the installation of the blade can be reinforced to avoid the shaking of the blade during long-term work, thereby improving the stability of the blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] 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.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0013] Figure 2 It is a side schematic diagram of the overall structure of the utility model;

[0014] Figure 3 This is a cross-sectional schematic diagram of the boring tool holder and its connection structure of the utility model;

[0015] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0016] Figure 5 This is a schematic diagram of the utility model disc and its connection structure.

[0017] In the figure: 1. boring tool holder; 11. blade; 12. square groove; 13. turning tool rod; 14. threaded rod; 15. extrusion block; 16. turntable; 17. connecting piece; 2. rotating shaft; 21. disc; 22. connecting plate; 23. worm gear; 24. worm; 25. rotating block; 3. fixing plate; 31. external slot; 32. screw. DETAILED DESCRIPTION

[0018] 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.

[0019] like Figure 1-5 As shown, the utility model provides a boring tool, including a boring tool seat 1 and a blade 11. There are two blades 11. The blades 11 are used to process a workpiece. The two blades 11 are located on both sides of the boring tool seat 1. A square groove 12 is provided in the boring tool seat 1, so that a turning tool rod 13 slides in the square groove 12, and the length of the turning tool rod 13 can be adjusted. Two turning tool rods 13 are movably inserted in the square groove 12. The turning tool rod 13 is used to carry and install the blades 11. The two blades 11 are respectively installed on the outsides of the two turning tool rods 13. According to the processing conditions of the reagent, one of the blades 11 can be removed for processing. A rotating shaft is provided in the boring tool seat 1. Shaft 2, the rotation of the shaft 2 drives the disc 21 to rotate, the outer fixed sleeve of the shaft 2 is provided with a disc 21, the rotation of the disc 21 drives the connecting plate 22 to swing, the side of the disc 21 away from the shaft 2 is provided with two connecting plates 22, the ends of the two connecting plates 22 away from the disc 21 are respectively connected to the two turning tool rods 13 for rotation, the swing of the connecting plate 22 can drive the two turning tool rods 13 to move to opposite squares, the outer fixed sleeve of the shaft 2 is provided with a worm gear 23, the inner boring tool seat 1 is provided with a worm 24, the worm 24 and the worm wheel 23 are meshed with each other, the rotation of the worm 24 drives the mutually meshed worm wheels 23 to rotate, and the rotation of the worm wheel 23 drives the shaft 2 to rotate.

[0020] A fixing plate 3 is fixed on both sides of the blade 11, an external slot 31 is fixed on the outer side of the end of the turning tool rod 13 away from the boring tool seat 1, the fixing plate 3 is movably inserted in the external slot 31, two screws 32 are inserted into the internal thread of the external slot 31, and the screws 32 are inserted into the fixing plate 3 through the thread.

[0021] By adopting the above technical solution, the external slot 31, the fixing plate 3 and the screw 32 can be reinforced on the basis of the installation of the blade 11 by the bolts, so that the installation of the blade 11 can be more stable and the shaking of the blade 11 can be avoided.

[0022] The blade 11 is connected to the tool rod 13 by bolts.

[0023] By adopting the above technical solution, the blade 11 is installed and disassembled.

[0024] A connecting piece 17 is installed on the top of the boring tool holder 1 .

[0025] By adopting the above technical solution, the connecting member 17 is connected and installed with the external device.

[0026] A rotating block 25 is rotatably provided at the top end of the boring tool seat 1 , and the bottom end of the rotating block 25 is fixedly connected to the worm 24 .

[0027] By adopting the above technical solution, the rotating block 25 rotates to drive the worm 24 to rotate.

[0028] The internal thread of the boring tool seat 1 is inserted with symmetrically distributed threaded rods 14 , and the bottom end of the threaded rod 14 is rotatably provided with an extrusion block 15 , which fits with the top end of the turning tool rod 13 .

[0029] By adopting the above technical solution, the threaded rod 14 rotates to drive the extrusion block 15 to move downward, thereby extruding the turning tool rod 13, thereby improving the stability of the turning tool rod 13.

[0030] Two rotating discs 16 are rotatably provided at the top of the boring tool seat 1 , and the bottom ends of the two rotating discs 16 are fixedly connected to the two threaded rods 14 respectively.

[0031] By adopting the above technical solution, the rotating disk 16 rotates to drive the threaded rod 14 to rotate.

[0032] Working principle: Before processing the workpiece, first insert the fixing plate 3 on the blade 11 into the external slot 31, then install the blade 11 on the turning tool rod 13 by bolts, and then install the fixing plate 3 on the external slot 31 by screws 32, so as to reinforce the blade 11 to avoid the problem of shaking of the blade 11 affecting the processing quality during long-term processing. Then, the length of the turning tool rod 13 can be adjusted according to the processing requirements. At this time, the rotating block 25 is rotated by the tool, so that the rotating block 25 rotates to drive the worm 24 to rotate, and the rotation of the worm 24 drives the worm wheel 23 to rotate, and the worm wheel 23 rotates. The rotation of the rotating shaft 2 drives the disc 21 to rotate, and the rotation of the disc 21 drives the connecting plate 22 to swing. The swing of the connecting plate 22 can drive the two turning tool rods 13 to move in relative directions. The movement of the turning tool rod 13 can drive the blade 11 to move, so that the distance between the blades 11 can be adjusted according to processing requirements. The self-locking of the worm gear 23 and the worm 24 makes the structure of the turning tool rod 13 more stable after the adjustment is completed. At the same time, the threaded rod 14 and the extrusion block 15 can reinforce the turning tool rod 13, making it more stable during work, and making the operation simple during the adjustment of the turning tool rod 13.

[0033] 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, comprising a boring tool holder (1) and a blade (11), characterized in that: There are two blades (11) in total, and the two blades (11) are located on both sides of the boring tool seat (1). A square groove (12) is provided in the boring tool seat (1), and two turning tool rods (13) are movably inserted in the square groove (12). The two blades (11) are respectively installed on the outside of the two turning tool rods (13); A rotating shaft (2) is rotatably provided in the boring tool seat (1), a disc (21) is provided on the outer fixed sleeve of the rotating shaft (2), two connecting plates (22) are rotatably provided on the side of the disc (21) away from the rotating shaft (2), one end of the two connecting plates (22) away from the disc (21) is rotatably connected to two turning tool rods (13), a worm gear (23) is provided on the outer fixed sleeve of the rotating shaft (2), a worm (24) is rotatably provided in the boring tool seat (1), and the worm gear (24) and the worm gear (23) are meshed with each other.

2. A boring tool according to claim 1, characterized in that: A fixing plate (3) is fixedly provided on both sides of the blade (11); an external slot (31) is fixedly provided on the outer side of one end of the turning tool rod (13) away from the boring tool seat (1); the fixing plate (3) is movably inserted into the external slot (31); two screws (32) are inserted into the internal threads of the external slot (31); and the screws (32) are inserted into the fixing plate (3) through threads.

3. A boring tool according to claim 1, characterized in that: The blade (11) is connected to the turning tool rod (13) via bolts.

4. A boring tool according to claim 1, characterized in that: A connecting piece (17) is installed on the top end of the boring tool seat (1).

5. A boring tool according to claim 1, characterized in that: A rotating block (25) is rotatably provided at the top end of the boring tool seat (1), and the bottom end of the rotating block (25) is fixedly connected to the worm (24).

6. A boring tool according to claim 1, characterized in that: The internal thread of the boring tool seat (1) is inserted with symmetrically distributed threaded rods (14), and the bottom end of the threaded rod (14) is rotatably provided with an extrusion block (15), and the extrusion block (15) is in contact with the top end of the turning tool rod (13).

7. A boring tool according to claim 6, characterized in that: Two rotating discs (16) are rotatably provided at the top of the boring tool seat (1), and the bottom ends of the two rotating discs (16) are respectively fixedly connected to two threaded rods (14).

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