Boring turning tool

Abstract

The utility model is suitable for the technical field of part machining, and provides a boring turning tool which comprises an installation cylinder, a boring piece is arranged in the installation cylinder in a sliding fit mode, an adjusting piece is arranged in the boring piece in a rotating fit mode, one end of the boring piece is sleeved with a fixing piece in a matched mode, and one end of the installation cylinder is in threaded connection with a fastening piece. The boring turning tool solves the problems that when an existing boring turning tool bores a multi-section stepped inner hole of a part, a plurality of boring tools of different specifications need to be replaced frequently so as to achieve the machining process of the multi-section stepped inner hole, the boring tools of different specifications are frequently replaced, the process is tedious, the time spent on tool replacement is long, the working efficiency is low, and the machining cost is high. According to the boring turning tool, the problem that the practicability of the boring turning tool is reduced is solved, the relative distance between the two boring tools can be adjusted, so that the boring machining process of a multi-section stepped inner hole is achieved, the adjusting process is simple and easy to operate, boring tools of different specifications do not need to be replaced frequently, and the practicability of the boring turning tool is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, and more specifically, to a boring tool. Background Art

[0002] A boring tool is a processing tool used in the process of processing the inner surface of a part. During its use, the main operation process is to perform multi-stage stepped inner hole turning on the inner surface of the part.

[0003] At present, boring tools on the market often have the following technical problems during use:

[0004] When existing boring tools are used to perform multi-stage stepped inner hole turning processing on the inner surface of a part, it is often necessary to replace multiple boring tools of different specifications in order to achieve the multi-stage stepped inner hole processing process. The frequent replacement of multiple boring tools of different specifications is cumbersome and takes a long time to change tools, resulting in low work efficiency and reducing the practicality of the boring tool. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a boring tool that can adjust the relative distance between two boring tools so as to realize the boring process of multi-stage stepped inner holes. The adjustment process is simple and easy to operate, and there is no need to frequently replace boring tools of different specifications, thereby improving the practicality of the boring tool.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A boring turning tool comprises a mounting tube, a boring piece is slidably fitted inside the mounting tube, an adjusting piece is rotatably fitted inside the boring piece, a fixing piece is sleeved at one end of the boring piece, and a fastener is threadedly connected to one end of the mounting tube.

[0008] The boring part comprises a boring column, one end of which is provided with an adjusting slot, two guide columns are fixed at the bottom of the adjusting slot, and the two guide columns are slidably matched with a slide plate.

[0009] The outer peripheral side surface of the boring column is connected with two tool groove frames, and a boring tool is slidably matched inside the tool groove frame, and a hinge hole is opened on one side of the boring tool.

[0010] The adjusting member comprises a turntable, and two symmetrical first hinged columns are fixed on the top of the turntable, and the peripheral sides of the two first hinged columns are hingedly matched with arc arms, and a second hinged column is provided on the top of the arc arm, and the second hinged column is hingedly matched with the hinge hole.

[0011] The utility model is further configured as follows: two symmetrical arc-shaped rails are fixed on one side of the slide plate.

[0012] Two symmetrical elastic springs are fixed on the slide plate and the bottom of the adjusting groove, and the two elastic springs are respectively sleeved on the two guide pillars.

[0013] The utility model is further configured as follows: the fixing member comprises a fixing cover cylinder, and the fixing cover cylinder is sleeve-fitted with one end of the boring column.

[0014] The side surface of the fixed cover cylinder is provided with two rectangular slots, and the rectangular slots are engaged with the knife slot frame.

[0015] The utility model is further configured as follows: a circular groove is opened on one side of the turntable, and the circular groove is rotatably matched with the two arc-shaped rails.

[0016] The utility model is further configured as follows: the fastener comprises a rotating rod, a rotating ring is fixed to the peripheral side of the rotating rod, and two symmetrical rectangular plates are fixed to one side of the rotating ring.

[0017] The rotating disk is provided with two rectangular grooves on the other side thereof, and the rectangular grooves are engaged with the rectangular plate.

[0018] The utility model is further configured as follows: a first rotating hole is provided on one side of the slide plate between the two arc-shaped rails.

[0019] A threaded hole is provided at the center of the bottom of the adjusting groove.

[0020] A second rotating hole is formed at one end of the fixed cover cylinder, a third rotating hole is formed at one side of the rotating disk, and the rotating rod is rotatably matched with the second rotating hole, the first rotating hole, and the third rotating hole respectively.

[0021] The rotating rod is internally threadedly connected with a fastening bolt, and the fastening bolt is threadedly connected with the threaded hole.

[0022] The utility model is further configured as follows: a mounting plate is fixed on the outer peripheral side of the mounting tube.

[0023] Two symmetrical sliding grooves are arranged on the side surface of the boring column.

[0024] Two symmetrical slide rails are fixed on the inner wall of the installation cylinder, and the slide rails are slidably matched with the slide grooves.

[0025] The outer peripheral side surface of the installation cylinder is connected with a plurality of positioning cylinders.

[0026] The advantages of the utility model are:

[0027] The utility model realizes positive or reverse rotation of the circular groove on the two arc-shaped rails, so that the two arc-shaped arms respectively hingedly matched on the peripheral side surfaces of the two first hinged columns and the two second hinged columns respectively perform mutually contracting or expanding movements, thereby driving the two boring tools respectively to approach or move away from each other in the two tool groove frames, thereby completing the adjustment of the relative spacing between the two boring tools, so as to realize the boring processing process of multi-stage stepped inner holes. The adjustment process is simple and easy to operate, and there is no need to frequently replace boring tools of different specifications, thereby improving the practicality of the boring tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 The utility model is a structural schematic diagram of a boring tool.

[0029] Figure 2 The utility model is a schematic diagram of the assembly structure of the installation cylinder and the boring part.

[0030] Figure 3 It is a structural schematic diagram of the fixing member of the utility model.

[0031] Figure 4 It is a structural schematic diagram of the fastener of the utility model.

[0032] Figure 5 It is a structural schematic diagram of the adjusting member of the utility model.

[0033] Figure 6 It is a bottom view of the adjusting member of the utility model.

[0034] In the figure: 1, mounting cylinder; 2, boring member; 3, fixing member; 4, fastener; 5, adjusting member; 101, mounting plate; 102, slide rail; 103, positioning cylinder; 201, boring column; 202, adjusting slot; 203, guide column; 204, slide plate; 205, knife groove frame; 206, boring tool; 207, hinge hole; 208, arc rail; 209, elastic spring; 210, first rotating hole; 211, threaded hole; 212, slide groove; 301, fixing cover cylinder; 302, rectangular card slot; 303, second rotating hole; 401, rotating rod; 402, fastening bolt; 403, rotating ring; 404, rectangular plate; 501, turntable; 502, first hinge column; 503, arc arm; 504, second hinge column; 505, circular slot; 506, rectangular slot. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0036] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0037] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directions are not used to limit the present invention.

[0038] Embodiment 1

[0039] See also Figure 1-6 , the utility model provides the following technical solutions:

[0040] Specifically, it refers to a boring turning tool, including a mounting tube 1, a boring member 2 is slidably matched inside the mounting tube 1, an adjusting member 5 is rotatably matched inside the boring member 2, a fixing member 3 is sleeved and matched at one end of the boring member 2, and a fastener 4 is threadedly connected at one end of the mounting tube 1; the boring member 2 includes a boring column 201, an adjusting groove 202 is opened at one end of the boring column 201, two guide columns 203 are fixed at the bottom of the adjusting groove 202, and the two guide columns 203 are slidably matched with a slide plate 204; two tool groove frames 205 are connected to the outer peripheral side of the boring column 201, and a boring tool 2 is slidably matched inside the tool groove frame 205. 06, a hinge hole 207 is provided on one side of the boring tool 206; the adjusting member 5 includes a rotating disk 501, two symmetrical first hinge columns 502 are fixed on the top of the rotating disk 501, and the sides of the two first hinge columns 502 are hingedly matched with arc arms 503, and a second hinge column 504 is provided on the top of the arc arm 503, and the second hinge column 504 is hingedly matched with the hinge hole 207; two symmetrical arc rails 208 are fixed on one side of the slide plate 204; two symmetrical elastic springs 209 are fixed on the slide plate 204 and the bottom of the adjusting slot 202, and the two elastic springs 209 are respectively sleeved on the two guide rails 208. The fixing member 3 includes a fixing cover cylinder 301, which is sleeved with one end of the boring column 201; two rectangular slots 302 are provided on the side of the fixing cover cylinder 301, which are snap-fitted with the knife slot frame 205; a circular slot 505 is provided on one side of the rotating disk 501, which is rotatably matched with the two arc-shaped rails 208; the fastener 4 includes a rotating rod 401, a rotating ring 403 is fixed on the side of the rotating rod 401, and two symmetrical rectangular plates 404 are fixed on one side of the rotating ring 403; two rectangular slots are provided on the other side of the rotating disk 501 506, the rectangular groove 506 is snap-fitted with the rectangular plate 404; a first rotating hole 210 is provided on one side of the slide plate 204 between the two arc rails 208; a threaded hole 211 is provided at the center of the bottom of the adjusting groove 202; a second rotating hole 303 is provided at one end of the fixed cover cylinder 301, and a third rotating hole 507 is provided on one side of the turntable 501, and the rotating rod 401 is rotatably matched with the second rotating hole 303, the first rotating hole 210, and the third rotating hole 507 respectively; a fastening bolt 402 is threadedly connected to the internal thread of the rotating rod 401, and the fastening bolt 402 is threadedly connected to the threaded hole 211.

[0041] The specific application of this embodiment is: when it is necessary to perform multi-stage stepped inner hole turning on the inner surface of a part, the relative spacing between the two boring tools 206 can be adjusted. During the adjustment process, the fixed cover cylinder 301 can be sleeved with one end of the boring column 201 through the sleeve fit, and during the sleeve fit, the fixed cover cylinder 301 sleeved on one end of the boring column 201 can be circumferentially limited and fixed through the clamping fit between the rectangular clamping groove 302 and the tool groove frame 205 to prevent the fixed cover cylinder 301 from circumferentially rotating when the relative spacing between the two boring tools 206 is adjusted later, so as to avoid affecting the adjustment of the relative spacing between the two boring tools 206. During the adjustment of the relative spacing between the two boring tools 206, the two rectangular clamping grooves 302 fixed on one side of the swivel ring 403 can be used to adjust the relative spacing between the two boring tools 206. The plate 404 is engaged with the two rectangular grooves 506 opened on the other side of the turntable 501, and the rotating rod 401 is pressed to a certain extent, so that the two elastic springs 209 fixedly connected between the slide plate 204 and the adjusting groove 202 are compressed, thereby driving the slide plate 204 to slide on the peripheral side of the two guide pillars 203 until the two second hinge pillars 504 fixed at the bottom of the arc arm 503 are respectively inserted into the two hinge holes 207 opened on the two boring tools 206. The circular groove 505 opened on one side of the turntable 501 can be rotated on the two arc rails 208 fixed on one side of the slide plate 204, and then the rotating rod 401 is rotated in the forward or reverse direction, thereby driving The circular groove 505 provided on one side of the rotating disk 501 rotates forward or backward on the two arc-shaped rails 208 fixed on one side of the rotating disk 501. When the circular groove 505 provided on one side of the rotating disk 501 rotates forward or backward on the two arc-shaped rails 208 fixed on one side of the rotating disk 501, the two arc-shaped arms 503 respectively hinged on the side surfaces of the two first hinge columns 502 and the two second hinge columns 504 can be respectively contracted or expanded with each other as the rotating rod 401 is respectively connected and matched with the second rotating hole 303, the first rotating hole 210, and the third rotating hole 507, thereby driving the two boring tools 206 to approach or move away from each other in the two tool groove frames 205, thereby completing the two boring tools 20 6 The relative spacing is adjusted to realize the boring process of multi-stage stepped inner holes. The adjustment process is simple and easy to operate, and there is no need to frequently replace boring tools 206 of different specifications, which improves the practicality of the boring tool. After the adjustment is completed, the rotating rod 401 that is rotatably connected and matched in the second rotating hole 303, the first rotating hole 210, and the third rotating hole 507 can be positioned by a wrench, and then the fastening bolt 402 is threadedly connected to the inside of the rotating rod 401 in sequence by another wrench, and finally fastened to the threaded hole 211 opened at the bottom center position of the adjusting groove 202, so as to position and fix the two boring tools 206 whose relative spacing has been adjusted, so as to avoid the movement of the two boring tools 206 in the later turning process.

[0042] Embodiment 2

[0043] See also Figure 1-6The second embodiment makes the following improvements on the basis of the first embodiment. Specifically, a mounting plate 101 is fixed on the outer peripheral side of the mounting cylinder 1; two symmetrical slide grooves 212 are opened on the outer peripheral side of the boring column 201; two symmetrical slide rails 102 are fixed on the inner wall of the mounting cylinder 1, and the slide rails 102 are slidably matched with the slide grooves 212; and a plurality of positioning cylinders 103 are connected to the outer peripheral side of the mounting cylinder 1.

[0044] A specific application of this embodiment is: before use, the mounting plate 101 fixed to the outer peripheral side of the mounting cylinder 1 can be connected and fixed to the machine tool of the boring tool by bolts, so as to carry out multi-stage stepped inner hole turning operations on the inner surface of the part in the later operation process. In the later operation process, if turning operations of different depths are required, the sliding fit between the slide rail 102 and the slide groove 212 can be used to adjust the extension length of the boring column 201 slidably fitted inside the mounting cylinder 1. After the adjustment is completed, the threaded connection between the bolt and the positioning cylinder 103 can be used to position and fix the boring column 201 slidably fitted inside the mounting cylinder 1.

[0045] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0046] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0047] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0048] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

[0049] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A boring tool, comprising a mounting tube (1), characterized in that: A boring piece (2) is slidably fitted inside the installation tube (1), an adjusting piece (5) is rotatably fitted inside the boring piece (2), a fixing piece (3) is sleeved on one end of the boring piece (2), and a fastener (4) is threadedly connected to one end of the installation tube (1); The boring member (2) comprises a boring column (201), one end of the boring column (201) is provided with an adjustment groove (202), two guide columns (203) are fixed at the bottom of the adjustment groove (202), and the two guide columns (203) are slidably matched with a slide plate (204); The outer peripheral side surface of the boring column (201) is connected with two tool groove frames (205), the tool groove frames (205) are slidably matched with a boring tool (206) inside, and a hinge hole (207) is opened on one side of the boring tool (206); The adjusting member (5) comprises a rotating disk (501), and two symmetrical first hinged columns (502) are fixed on the top of the rotating disk (501), and the peripheral sides of the two first hinged columns (502) are hingedly matched with arc arms (503), and a second hinged column (504) is provided on the top of the arc arm (503), and the second hinged column (504) is hingedly matched with the hinge hole (207).

2. A boring tool according to claim 1, characterized in that: Two symmetrical arc-shaped rails (208) are fixed on one side of the slide plate (204); Two symmetrical elastic springs (209) are fixed to the slide plate (204) and the inner bottom of the adjustment groove (202), and the two elastic springs (209) are respectively sleeved on the two guide pillars (203).

3. A boring tool according to claim 2, characterized in that: The fixing member (3) comprises a fixing cover cylinder (301), and the fixing cover cylinder (301) is sleeve-fitted with one end of the boring column (201); Two rectangular slots (302) are formed on the peripheral side of the fixed cover cylinder (301), and the rectangular slots (302) are engaged with the knife groove frame (205).

4. A boring tool according to claim 3, characterized in that: A circular groove (505) is provided on one side of the rotating disk (501), and the circular groove (505) is rotatably matched with the two arc-shaped rails (208).

5. A boring tool according to claim 4, characterized in that: The fastener (4) comprises a rotating rod (401), a rotating ring (403) is fixed on the peripheral side of the rotating rod (401), and two symmetrical rectangular plates (404) are fixed on one side of the rotating ring (403); The rotating disk (501) is provided with two rectangular grooves (506) on the other side thereof, and the rectangular grooves (506) are engaged with the rectangular plate (404).

6. A boring tool according to claim 5, characterized in that: A first rotating hole (210) is provided on one side of the slide plate (204) between the two arc-shaped rails (208); A threaded hole (211) is provided at the center of the bottom of the adjustment groove (202); A second rotating hole (303) is formed at one end of the fixed cover cylinder (301); A third rotating hole (507) is provided on one side of the rotating disk (501), and the rotating rod (401) is rotatably matched with the second rotating hole (303), the first rotating hole (210), and the third rotating hole (507) respectively; The rotating rod (401) is internally threadedly connected with a fastening bolt (402), and the fastening bolt (402) is threadedly connected to the threaded hole (211).

7. A boring tool according to claim 6, characterized in that: A mounting plate (101) is fixed on the outer peripheral side of the mounting tube (1); The boring column (201) is provided with two symmetrical sliding grooves (212) on the side surface thereof; Two symmetrical slide rails (102) are fixed on the inner wall of the installation cylinder (1), and the slide rails (102) are slidably matched with the slide grooves (212); The outer peripheral side surface of the installation cylinder (1) is connected to a plurality of positioning cylinders (103).

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