Multifunctional boring cutter

Abstract

The utility model provides a multifunctional boring cutter, which belongs to the technical field of boring cutters, and comprises a connecting seat, the bottom surface of the connecting seat is fixedly connected with a bottom plate, the lower bottom surface of the bottom plate is fixedly connected with a hollow threaded rod, the hollow threaded rod is internally connected with a cutter bar in a sliding manner, the lower half part of the cutter bar is fixedly connected with two mounting rods, and the mounting rods are fixedly connected with the connecting seat. Two mounting bases and a telescopic fixing assembly are symmetrically arranged at the bottom end of the cutter bar, and the telescopic fixing assembly comprises a plurality of elastic pressing plates which are fixedly connected to the bottom end of the hollow threaded rod at equal intervals in the circumferential direction. By arranging the telescopic fixing assembly, the machining depth of the boring tool can be adjusted, the whole adjusted boring tool has good stability, meanwhile, the limiting assembly is matched to further limit and fix the adjusted boring tool, it is ensured that the tool can stably work for a long time, and the machining efficiency is improved. And the processing quality is improved.

Description

Technical Field

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

[0002] Boring refers to the further processing of forged, cast or drilled holes, and boring is divided into different precisions and is also divided into general boring and deep-hole boring. Therefore, different boring tools need to be replaced when processing workpieces of different types, and thus a multifunctional boring tool that can be applied to more usage scenarios is required.

[0003] After retrieval, the patent document with the publication number CN216226963U discloses a new type of multifunctional boring tool, including a connecting shaft, a tool holder and a tool bar. The bottom end of the connecting shaft is fixedly installed with a tool holder, an internal thread groove is opened inside the tool holder, an external threaded rod is threadedly connected inside the internal thread groove, the bottom end of the external threaded rod is fixedly connected with a tool bar, two installation grooves are sequentially opened in the middle of the tool bar from top to bottom, installation rods are clamped on the inner sides of the two installation grooves, and second cutting heads are fixedly installed at one ends of the two installation rods. Tool installation seats are threadedly installed on both sides of the bottom end of the tool bar outer wall through fixing bolts.

[0004] The above-mentioned prior art often has the following problems when in use:

[0005] When the existing multifunctional boring tool is in use, different boring tools need to be replaced for different types of boring operations, and the working efficiency is low. At the same time, when adjusting the length of the tool bar for boring operations of different depths, the thread method is used. After a long time of boring work, the metal will produce fatigue, thereby reducing the stability of the boring tool and affecting the processing quality. Summary of the Utility Model

[0006] In view of the deficiencies in the prior art, the utility model provides a multifunctional boring tool.

[0007] An embodiment of the utility model provides a multifunctional boring tool, including:

[0008] A connecting seat, the bottom surface of the connecting seat is fixedly connected with a bottom plate, the bottom surface of the bottom plate is fixedly connected with a hollow threaded rod, a tool bar is slidably connected inside the hollow threaded rod, two installation rods are fixedly connected to the lower half of the tool bar, and two installation seats are symmetrically arranged at the bottom end of the tool bar;

[0009] A telescopic fixing component, the telescopic fixing component includes a plurality of elastic pressing plates circumferentially and equidistantly fixedly connected to the bottom end of the hollow threaded rod, a threaded sleeve is threadedly connected to the hollow threaded rod, the side walls of the plurality of elastic pressing plates are arc surfaces, and the inner wall of the bottom end of the threaded sleeve is an arc surface and is matched with the arc surface of the elastic pressing plate;

[0010] Two limiting components, and the two limiting components are respectively arranged on both sides of the bottom plate.

[0011] Further, the limiting component includes a threaded hole arranged in the bottom plate, a threaded rod is threadedly connected in the threaded hole, the bottom surface of the bottom plate is fixedly connected with a shell, a movable plate is arranged in the shell, the bottom end of the threaded rod is rotatably connected to the upper surface of the movable plate through a bearing, the bottom surface of the movable plate is fixedly connected with a first connecting rod, the inner bottom surface of the shell is fixedly connected with a first guide rod, a first slider is slidably sleeved on the first guide rod, the bottom end of the first connecting rod is fixedly connected with the side wall of the first slider, a second guide rod is fixedly connected between the inner wall of the shell and the first guide rod, a second slider is slidably sleeved on the second guide rod, a swing rod is hinged to the side wall of the first slider, the bottom end of the swing rod is hinged to the upper surface of the second slider, the bottom surface of the second slider is fixedly connected with a second connecting rod, a groove is arranged on the side wall of the threaded sleeve, and a limiting block is fixedly connected to the side wall of the second connecting rod.

[0012] Further, the movable plate is square and fits the inner wall of the shell.

[0013] Further, a strip-shaped hole groove is arranged on the bottom surface of the shell, and the second connecting rod is located in the strip-shaped hole groove.

[0014] Further, the limiting block is matched with the groove, and an arc-shaped pressing plate is arranged on the side wall of the elastic pressing plate.

[0015] Further, knobs are arranged on both of the threaded rods, and anti-slip grooves are arranged on both of the knobs.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] In the utility model, by arranging the telescopic fixing component, the processing depth of the boring tool can be adjusted, and the overall boring tool after adjustment has good stability. At the same time, in cooperation with the limiting component, the adjusted boring tool is further limited and fixed to ensure that the tool can work stably for a long time, thereby improving the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic three-dimensional structure diagram of a multifunctional boring tool described in an embodiment of the utility model.

[0019] Figure 2 It is a schematic diagram of the main view structure analysis of a multifunctional boring tool described in an embodiment of the utility model.

[0020] Figure 3 It is Figure 2 an enlarged view of part A of

[0021] In the above drawings: 1 connecting seat, 2 bottom plate, 3 hollow threaded rod, 4 tool rod, 5 mounting rod, 6 mounting seat, 7 elastic pressing plate, 8 threaded sleeve, 9 threaded rod, 10 housing, 11 movable plate, 12 first connecting rod, 13 first guide rod, 14 first slider, 15 second guide rod, 16 second slider, 17 swing rod, 18 second connecting rod, 19 groove, 20 limit block. Detailed implementation mode

[0022] The technical solutions in the present utility model will be further described below in conjunction with the drawings and embodiments.

[0023] As Figures 1-3 shown, an embodiment of the present utility model provides a multi-functional boring tool, including:

[0024] A connecting seat 1, the bottom surface of the connecting seat 1 is fixedly connected with a bottom plate 2, the bottom surface of the bottom plate 2 is fixedly connected with a hollow threaded rod 3, a tool rod 4 is slidably connected inside the hollow threaded rod 3, two mounting rods 5 are fixedly connected to the lower half of the tool rod 4, two mounting seats 6 are symmetrically arranged at the bottom end of the tool rod 4, a telescopic fixing component, the telescopic fixing component includes a plurality of elastic pressing plates 7 fixedly connected to the bottom end of the hollow threaded rod 3 at equal circumferential intervals, an arc-shaped pressing plate is arranged on the side wall of the elastic pressing plate 7, a threaded sleeve 8 is threadedly connected to the hollow threaded rod 3, the side walls of the plurality of elastic pressing plates 7 are arc surfaces, and the inner wall of the bottom end of the threaded sleeve 8 is an arc surface and is matched with the arc surface of the elastic pressing plate 7;

[0025] During use, different functional tools are installed through the mounting rods 5 and the mounting seats 6. If it is necessary to adjust the boring depth, first rotate the threaded sleeve 8 so that the threaded sleeve 8 rotates out a certain distance. At this time, the elastic pressing plate 7 and the arc-shaped pressing plate lose the restriction of the arc surface of the inner wall of the bottom end of the threaded sleeve 8, loosen the clamping of the tool rod 4, and pull out the tool rod 4 outward to adjust the length of the extension of the tool rod 4. After the adjustment is completed, rotate the threaded sleeve 8 in the reverse direction so that the arc surface generates a limit on the elastic pressing plate 7 and the arc-shaped pressing plate again, so that the elastic pressing plate 7 and the arc-shaped pressing plate are squeezed to completely fit the surface of the tool rod 4, and the adjusted tool is fixed.

[0026] Two limiting components are respectively arranged on both sides of the bottom plate 2. The limiting component includes a threaded hole arranged in the bottom plate 2, and a threaded rod 9 is threadedly connected in the threaded hole. The bottom surface of the bottom plate 2 is fixedly connected with a housing 10. An active plate 11 is arranged in the housing 10. The bottom end of the threaded rod 9 is rotationally connected to the upper surface of the active plate 11 through a bearing. The bottom surface of the active plate 11 is fixedly connected with a first connecting rod 12. The inner bottom surface of the housing 10 is fixedly connected with a first guiding rod 13. A first sliding block 14 is slidably sleeved on the first guiding rod 13. The bottom end of the first connecting rod 12 is fixedly connected with the side wall of the first sliding block 14. A second guiding rod 15 is fixedly connected between the inner wall of the housing 10 and the first guiding rod 13. A second sliding block 16 is slidably sleeved on the second guiding rod 15. The side wall of the first sliding block 14 is hinged with a swing rod 17. The bottom end of the swing rod 17 is hinged with the upper surface of the second sliding block 16. The bottom surface of the second sliding block 16 is fixedly connected with a second connecting rod 18. A groove 19 is arranged on the side wall of the threaded sleeve 8. A limiting block 20 is fixedly connected to the side wall of the second connecting rod 18. The active plate 11 is square and fits the inner wall of the housing 10. A strip-shaped hole groove is arranged on the bottom surface of the housing 10. The second connecting rod 18 is located in the strip-shaped hole groove. The limiting block 20 cooperates with the groove 19. Knobs are arranged on both threaded rods 9, and anti-slip grooves are arranged on both knobs, which is convenient for the staff to adjust;

[0027] After the length of the boring bar 4 is adjusted, rotate the threaded rods 9 on both sides. The threaded rods 9 will move downward, thereby driving the active plate 11 and the first connecting rod 12 to move downward, and then driving the first sliding block 14 to move downward along the direction of the first guiding rod 13. When the first sliding block 14 moves downward, it drives the second sliding block 16 to move in the direction of the second guiding rod 15 through the hinged swing rod 17, and then drives the limiting block 20 to move. Move into the groove 19 to complete the clamping, so as to further limit and fix the boring tool, ensure that the tool can work stably for a long time, and then improve the processing quality.

[0028] The detailed working process of the present utility model is as follows:

[0029] When in use, different function tools are installed through the mounting rod 5 and the mounting seat 6. If it is necessary to adjust the boring depth, first rotate the threaded sleeve 8 to make the threaded sleeve 8 rotate out a certain distance. At this time, the elastic pressing plate 7 and the arc-shaped pressing plate lose the restriction of the arc surface on the inner wall of the bottom end of the threaded sleeve 8, loosen the clamping of the boring bar 4, and pull out the boring bar 4 outward to adjust the length of the boring bar 4 protruding. After the adjustment is completed, rotate the threaded sleeve 8 in the reverse direction to make the arc surface generate a limit on the elastic pressing plate 7 and the arc-shaped pressing plate again, so that the elastic pressing plate 7 and the arc-shaped pressing plate are squeezed to completely fit the surface of the boring bar 4, and the adjusted tool is fixed;

[0030] After adjusting the length of the tool shank 4, rotate the threaded rods 9 on both sides. The threaded rods 9 will move downward, thereby driving the movable plate 11 and the first connecting rod 12 to move downward, and further driving the first slider 14 to move downward along the direction of the first guide rod 13. When the first slider 14 moves downward, it drives the second slider 16 to move in the direction of the second guide rod 15 through the articulated swing rod 17, and further drives the limit block 20 to move. The limit block 20 moves into the groove 19 to complete the clamping, realizing further limiting and fixing of the boring tool, ensuring that the tool can work stably for a long time, and thus improving the machining quality.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the purpose and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A multi-functional boring tool, characterized in that, Including: A connecting seat (1), a bottom plate (2) is fixedly connected to the bottom surface of the connecting seat (1), a hollow threaded rod (3) is fixedly connected to the lower bottom surface of the bottom plate (2), a tool bar (4) is slidably connected in the hollow threaded rod (3), two mounting rods (5) are fixedly connected to the lower half of the tool bar (4), and two mounting seats (6) are symmetrically arranged at the bottom end of the tool bar (4); A telescopic fixing component, the telescopic fixing component includes a plurality of elastic pressing plates (7) fixedly connected to the bottom end of the hollow threaded rod (3) at equal circumferential intervals, a threaded sleeve (8) is threadedly connected to the hollow threaded rod (3), the side walls of the plurality of elastic pressing plates (7) are arc surfaces, and the inner wall of the bottom end of the threaded sleeve (8) is an arc surface and is matched with the arc surface of the elastic pressing plate (7); Two limiting components, the two limiting components are respectively arranged on both sides of the bottom plate (2).

2. The multifunctional boring tool according to claim 1, characterized in that, Among them: The limiting component includes a threaded hole arranged in the bottom plate (2), a threaded rod (9) is threadedly connected in the threaded hole, a housing (10) is fixedly connected to the bottom surface of the bottom plate (2), a movable plate (11) is arranged in the housing (10), the bottom end of the threaded rod (9) is rotatably connected to the upper surface of the movable plate (11) through a bearing, a first connecting rod (12) is fixedly connected to the lower bottom surface of the movable plate (11), a first guiding rod (13) is fixedly connected to the inner bottom surface of the housing (10), a first sliding block (14) is slidably sleeved on the first guiding rod (13), the bottom end of the first connecting rod (12) is fixedly connected to the side wall of the first sliding block (14), a second guiding rod (15) is fixedly connected between the inner wall of the housing (10) and the first guiding rod (13), a second sliding block (16) is slidably sleeved on the second guiding rod (15), a swing rod (17) is hinged to the side wall of the first sliding block (14), the bottom end of the swing rod (17) is hinged to the upper surface of the second sliding block (16), a second connecting rod (18) is fixedly connected to the bottom surface of the second sliding block (16), a groove (19) is arranged on the side wall of the threaded sleeve (8), and a limiting block (20) is fixedly connected to the side wall of the second connecting rod (18).

3. The multifunctional boring tool according to claim 2, characterized in that, Among them: The movable plate (11) is square and fits the inner wall of the housing (10).

4. A multi-functional boring tool according to claim 2, characterized in that, Among them: A strip-shaped hole groove is arranged on the bottom surface of the housing (10), and the second connecting rod (18) is located in the strip-shaped hole groove.

5. A multi-functional boring tool according to claim 2, characterized in that, Among them: The limiting block (20) is matched with the groove (19), and an arc-shaped pressing plate is arranged on the side wall of the elastic pressing plate (7).

6. The multifunctional boring tool according to claim 2, characterized in that, Among them: Knobs are arranged on both of the two threaded rods (9), and anti-slip grooves are arranged on both of the two knobs.

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