A boring tool and machine tool

Abstract

This application relates to the field of machining tool technology, and more particularly to a boring tool and machine tool. The application provides a boring tool and machine tool. The device includes: a tool holder, a connecting member, a first boring tool module, and a second boring tool module. The first boring tool module includes a first boring insert and a first adjusting member; the second boring tool module includes a second boring insert and a second adjusting member. The connecting member is connected to the tool holder; the first boring tool module and the second boring tool module are connected to the connecting member. The distance between the first and second boring inserts and the central axis of the tool holder is adjustable. When the distance between the first boring insert and the central axis of the tool holder meets a first preset value, the first adjusting member restricts the position between the first boring insert and the connecting member; when the distance between the second boring insert and the central axis of the tool holder meets a second preset value, the second adjusting member restricts the position between the second boring insert and the connecting member; the two boring inserts rotate with the tool holder to machine the workpiece. This device avoids multiple tool changes, thereby improving work efficiency.

Description

Technical Field

[0001] This application relates to the field of machining tool technology, and in particular to a boring tool and machine tool. Background Technology

[0002] In modern manufacturing, boring is a commonly used precision machining method. Boring tools, as a type of cutting tool in boring, are widely used in the machining of workpieces that require high-precision hole diameters and surface finishes.

[0003] In the existing technology, a boring bar of one specification usually corresponds to a range of hole diameters. When the hole to be machined is a stepped hole, multiple boring bars of different specifications are required, and multiple tool changes are needed. This not only increases the cost of the tools but also reduces work efficiency, resulting in low output per unit time. Utility Model Content

[0004] This application provides a boring tool and machine tool for machining stepped holes, thereby improving work efficiency and saving production costs by avoiding multiple tool changes.

[0005] In a first aspect, embodiments of this application provide a boring tool, comprising:

[0006] Handle;

[0007] Connector, which connects to the tool holder;

[0008] The first boring tool module includes a first boring blade and a first adjusting member. The first boring blade is detachably connected or slidably connected to the connecting member. The first adjusting member is configured to limit the relative position between the first boring blade and the connecting member when the distance between the central axis of the first boring blade and the tool holder meets a first preset value.

[0009] The second boring tool module includes a second boring blade and a second adjusting member. The second boring blade is detachably connected or slidably connected to the connecting member. The second adjusting member is configured to limit the relative position between the second boring blade and the connecting member when the distance between the central axis of the second boring blade and the tool holder meets a second preset value.

[0010] The first boring bar and the second boring bar are configured to rotate with the tool holder when the tool holder rotates to machine the workpiece.

[0011] In one possible implementation, a counterweight and a third adjusting member are also included. The counterweight is detachably or slidably connected to the connecting member. The third adjusting member is configured to limit the relative position between the counterweight and the connecting member when the distance between the counterweight and the central axis of the handle satisfies a third preset value.

[0012] The counterweight is configured to cooperate with the first boring tool module and the second boring tool module when the tool holder rotates, so that the connecting member is subjected to force balance.

[0013] In one possible implementation, the counterweight, the first boring tool module, and the second boring tool module are all located on the side of the connector away from the tool holder.

[0014] In one possible implementation, the first boring tool module further includes:

[0015] The heightening block is connected to the connector. The first boring bar is detachably or slidably connected to the heightening block. The relative position of the first boring bar and the heightening block is limited by the first adjusting member so that the first boring bar is located on the side of the second boring bar away from the tool holder.

[0016] In one possible implementation, it also includes:

[0017] The fourth adjusting member is detachably or slidably connected to the connecting member. The fourth adjusting member is configured to limit the relative position between the heightening block and the connecting member when the distance between the heightening block and the central axis of the tool holder meets a fourth preset value.

[0018] In one possible implementation, the first boring tool module further includes:

[0019] The first adapter is used to detachably or slidably connect the first boring tool to the heightening block.

[0020] In one possible implementation, the second boring tool module includes:

[0021] The second adapter is provided with the second boring tool, and the second adapter is detachably or slidably connected to the connecting member, and the relative position between the second adapter and the connecting member is limited by the second adjusting member.

[0022] In one possible implementation, it also includes:

[0023] At least two first boring tool modules, the distance between the first boring blade of the at least two first boring tool modules and the central axis of the tool holder increases sequentially.

[0024] In one possible implementation, the connector is provided with at least three grooves, and the first boring tool module, the second boring tool module and the counterweight are respectively installed in the grooves.

[0025] Secondly, embodiments of this application provide a machine tool, including: a machine tool body and a boring tool, wherein the boring tool is mounted on the machine tool body.

[0026] This application provides a boring tool and machine tool. It comprises a tool holder, a connecting member, a first boring tool module, and a second boring tool module. The connecting member is connected to the tool holder, and the first and second boring tool modules are connected to the connecting member. The first boring tool module includes a first boring insert and a first adjusting member, while the second boring tool module includes a second boring insert and a second adjusting member. The distance between the first and second boring inserts and the central axis of the tool holder can be adjusted within a certain range. Based on the hole diameter of the workpiece, a preset value can be set for the distance between the first and second boring inserts and the central axis of the tool holder. When the distance meets the preset value, the first adjusting member limits the distance between the first boring insert and the central axis of the tool holder, and the second adjusting member limits the distance between the second boring insert and the central axis of the tool holder. In use, the first and second boring inserts rotate with the tool holder to process the workpiece, achieving the effect of one specification boring tool corresponding to multiple hole diameters, improving work efficiency and reducing production costs. Attached Figure Description

[0027] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0028] Figure 1 A front view structural diagram of the boring tool provided in this application;

[0029] Figure 2 A schematic diagram of the right-side structure of the boring tool provided in this application;

[0030] Figure 3 This is a rear view structural diagram of the boring tool provided in this application.

[0031] Explanation of reference numerals in the attached figures:

[0032] 100 - Handle;

[0033] 200-Connector;

[0034] 300 - First boring tool module; 310 - Heightening block; 320 - First adapter; 330 - First boring tool;

[0035] 400 - Second boring tool module; 410 - Second adapter; 420 - Second boring tool insert;

[0036] 500-counterweight.

[0037] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0038] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0039] Boring tools are commonly used cutting tools in boring operations, often for machining workpieces requiring high precision. Typically, one type of boring tool corresponds to a specific hole diameter. However, in modern manufacturing, many equipment drive holes are designed as stepped holes. These holes not only require strict dimensional tolerances but also need to consider the machine tool's precision and travel range limitations. In existing technologies, to meet the dimensional and positional tolerance requirements of the same set of stepped holes, multiple boring tool changes are often necessary during semi-finishing and finishing processes.

[0040] Based on the above scenarios, it can be seen that the boring tools in the existing technology cannot process stepped holes in one go. The boring tools have low flexibility, require multiple tool changes during processing, have low work efficiency, and require various specifications of boring tools, resulting in high tool costs.

[0041] To address the aforementioned technical problems, this application provides a boring tool and machine tool. The tool comprises a tool holder, a connecting member, a first boring tool module, and a second boring tool module. The connecting member is connected to the tool holder, and the first and second boring tool modules are connected to the connecting member. The first boring tool module includes a first boring insert and a first adjusting member, while the second boring tool module includes a second boring insert and a second adjusting member. The distances between the first and second boring inserts and the central axis of the tool holder are adjustable. The distances between the first and second boring inserts and the adjusting member can be adjusted according to the hole diameter of the workpiece. The distance between the second boring bar and the central axis of the tool holder is set to a preset value. When the distance meets the preset value, the first adjusting member limits the distance between the first boring bar and the central axis of the tool holder, and the second adjusting member limits the distance between the second boring bar and the central axis of the tool holder. In use, the first boring bar and the second boring bar rotate with the tool holder to process the workpiece. This technical means solves the technical problem that a boring bar of one specification can only correspond to one specification of hole diameter, and multiple tool changes are required when processing stepped holes, resulting in low work efficiency and high tool cost.

[0042] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0043] For some embodiments of this application, please refer to Figure 1 , Figure 2 and Figure 3 As shown, Figure 1 This is a front view structural diagram of a boring bar. Figure 2 This is a schematic diagram of the boring bar's structure from the right side. Figure 3 This is a rear view schematic diagram of the boring tool.

[0044] The boring tool includes a tool holder 100, a connector 200, a first boring tool module 300, and a second boring tool module 400.

[0045] The tool holder 100 is connected to the connector 200. Furthermore, the tool holder 100 can be connected to the connector 200 at any angle, and under normal use, the tool holder 100 and the connector 200 do not need to be disassembled.

[0046] The first boring tool module 300 and the second boring tool module 400 are connected to the connector 200. For example, the first boring tool module 300 and the second boring tool module 400 can be installed on the side of the connector 200 that is connected to the tool holder 100.

[0047] The first boring tool module 300 includes a first boring insert 330 and a first adjusting member. The first boring insert 330 is detachably or slidably connected to the connecting member 200. The distance between the first boring insert 330 and the central axis of the tool holder 100 is adjustable. Based on the different hole diameters of different workpieces to be machined, a corresponding first preset value is set within the adjustable distance range between the first boring insert 330 and the central axis of the tool holder 100. When the distance between the first boring insert 330 and the central axis of the tool holder 100 meets the first preset value, the first adjusting member restricts the relative position between the first boring insert 330 and the connecting member 200.

[0048] For example, when the first boring bar 330 is detachably connected to the connector 200, the first boring bar 330 and the connector 200 are provided with corresponding mounting holes. The first adjusting member can be a bolt. When the first boring bar 330 reaches the position corresponding to the first preset value, the bolt passes through the mounting hole to limit the first boring bar 330 and the connector 200, thereby achieving a tight connection. When the first boring bar 330 is slidably connected to the connector 200, the first adjusting member can be a buckle. The buckle is installed on the connector 200. The first boring bar 330 is provided with a corresponding limiting protrusion or groove. When the first boring bar 330 reaches the position corresponding to the first preset value, the buckle locks the first boring bar 330.

[0049] The second boring tool module 400 includes a second boring insert 420 and a second adjusting member. The second boring insert 420 is detachably or slidably connected to the connecting member 200. The distance between the second boring insert 420 and the central axis of the tool holder 100 is adjustable. According to the different hole diameters of different workpieces to be processed, a corresponding second preset value is set within the adjustable distance range between the second boring insert 420 and the central axis of the tool holder 100. When the distance between the second boring insert 420 and the central axis of the tool holder 100 meets the second preset value, the second adjusting member restricts the relative position between the second boring insert 420 and the connecting member 200.

[0050] Similarly, the second adjusting element can also be a bolt or a clip, so that the second boring tool 420 and the connecting element 200 can be detachably or slidably connected.

[0051] When in use, the tool holder 100 is driven to rotate, and the first boring tool module 300 and the second boring tool module 400 rotate with the tool holder 100 to process the workpiece.

[0052] Furthermore, the workpiece to be processed may have rough-machined holes, and the first boring tool module 300 and the second boring tool module 400 perform finishing on the workpiece.

[0053] In some embodiments of this application, the boring tool further includes a counterweight 500 and a third adjusting member. The counterweight 500 is detachably or slidably connected to the connecting member 200. The distance between the counterweight 500 and the central axis of the tool holder 100 is adjustable. The position of the counterweight 500 is adjusted according to the positions of the first boring tool module 300 and the second boring tool module 400. A third preset value is set. When the distance between the counterweight 500 and the central axis of the tool holder 100 meets the third preset value, the third adjusting member restricts the relative position between the counterweight 500 and the connecting member 200.

[0054] When the tool holder 100 rotates, the counterweight 500 cooperates with the first boring tool module 300 and the second boring tool module 400 to balance the force on the connecting piece 200.

[0055] For example, the tool holder 100 is connected to the connector 200, and the counterweight 500, the first boring tool module 300, and the second boring tool module 400 are installed on the side of the connector 200 connected to the tool holder 100. Specifically, the first boring tool module 300 and the second boring tool module 400 are installed at one end of the connector 200, and the counterweight 500 is installed on the opposite side of the first boring tool module 300 and the second boring tool module 400.

[0056] The connector 200 is provided with a first guide groove, a second guide groove, and a third guide groove, or the connector 200 is equipped with a first slide rail, a second slide rail, and a third slide rail, corresponding one-to-one with the first boring tool module 300, the second boring tool module 400, and the counterweight 500. For example, the first guide groove extends in the same direction as the line connecting the central axis of the first boring tool module 300 and the tool holder 100, allowing the first boring tool module 300 to move along the first guide groove; the second guide groove extends in the same direction as the line connecting the central axis of the second boring tool module 400 and the tool holder 100, allowing the second boring tool module 400 to move along the second guide groove; the third guide groove extends in the same direction as the line connecting the counterweight 500 and the central axis of the tool holder 100, allowing the counterweight 500 to move along the third guide groove. Before machining the workpiece, preset values ​​are set for the distances between the first boring tool module 300, the second boring tool module 400, and the counterweight 500 and the central axis of the tool holder 100, based on the hole diameter of the workpiece. These preset values ​​are the first preset value, the second preset value, and the third preset value.

[0057] The first boring tool module 300 includes a first boring insert 330 and a first adjusting member. The first boring insert 330 is detachably or slidably connected to the connecting member 200. The first boring insert 330 moves along a first guide groove. When the distance between the first boring insert 330 and the central axis of the tool holder 100 meets a first preset value, the first adjusting member restricts the position of the first boring insert 330 and the connecting member 200. Specifically, the first boring tool module 300 may be provided with a first mounting hole, the first adjusting member may be a bolt, and the connecting member 200 is provided with a mounting hole corresponding to the first mounting hole. When the distance between the first boring insert 330 and the central axis of the tool holder 100 meets the first preset value, the first boring tool module 300 is fastened to the connecting member 200 by bolts.

[0058] The second boring tool module 400 includes a second boring insert 420 and a second adjusting member. The second boring insert 420 is detachably or slidably connected to the connecting member 200. The second boring insert 420 moves along a second guide groove. When the distance between the second boring insert 420 and the central axis of the tool holder 100 meets a second preset value, the second adjusting member restricts the position of the second boring insert 420 and the connecting member 200. Specifically, the second boring tool module 400 may be provided with a second mounting hole, the second adjusting member may be a bolt, and the connecting member 200 is provided with a mounting hole corresponding to the second mounting hole. When the distance between the second boring insert 420 and the central axis of the tool holder 100 meets the second preset value, the second boring tool module 400 is fastened to the connecting member 200 by bolts.

[0059] The counterweight 500 is detachably or slidably connected to the connector 200. The counterweight 500 moves along the third guide groove. When the distance between the counterweight 500 and the central axis of the tool holder 100 meets a third preset value, the third adjusting member restricts the position of the counterweight 500 and the connector 200. Specifically, the counterweight 500 may be provided with a third mounting hole, the third adjusting member may be a bolt, and the connector 200 is provided with mounting holes corresponding to the third mounting hole. When the distance between the counterweight 500 and the central axis of the tool holder 100 meets the third preset value, the third boring tool module is securely connected to the connector 200 via bolts.

[0060] During machining, the counterweight 500 cooperates with the first boring tool module 300 and the second boring tool module 400. When the tool holder 100 is driven to rotate, the counterweight 500, the first boring tool module 300 and the second boring tool module 400 rotate together with the tool holder 100 to machine the workpiece.

[0061] By setting the counterweight 500, the weight distribution on the connector 200 can be balanced, making the connector 200 subject to balanced forces, reducing vibration caused by imbalance, and improving the stability and accuracy of machining. It can also reduce the wobble of the first boring bar 330 and the second boring bar 420 when rotating at high speed, ensuring that the first boring bar 330 and the second boring bar 420 cut along the correct path, improving machining accuracy, and reducing the wear of the first boring bar 330 and the second boring bar 420, thus extending their service life.

[0062] In some embodiments of this application, the counterweight 500, the first boring tool module 300, and the second boring tool module 400 are all located on the side of the connector 200 away from the tool holder 100, in order to provide a better balance structure, reduce swaying and wobble caused by the asymmetry of the boring tool structure, thereby increasing the stability and accuracy of machining, improving the surface finish and dimensional accuracy of the machined surface, and can also transmit cutting force more effectively, reduce energy loss, improve cutting efficiency, and provide better chip removal space to improve chip removal efficiency.

[0063] In some embodiments of this application, the first boring tool module 300 further includes a heightening block 310, which is connected to the connector 200. The first boring tool 330 is detachably or slidably connected to the heightening block 310, and the relative position of the first boring tool 330 and the heightening block 310 is limited by a first adjusting member so that the first boring tool 330 is located on the side of the second boring tool 420 away from the tool holder 100.

[0064] For example, the first adjusting element can be a bolt. The first boring bar 330 is detachably or slidably connected to the riser block 310, and is limited by the bolt. The riser block 310 is connected to the connector 200 on the side opposite to the first boring bar 330. By setting the riser block 310, the first boring bar 330 is positioned on the side of the second boring bar 420 opposite to the tool holder 100, which allows adjustment of the machining depth to accurately machine to the required stepped hole depth. This is particularly important for machining stepped holes, as it allows for adaptation to different machining needs without changing the boring bar, improving machining flexibility and efficiency.

[0065] By setting the heightening block 310, the geometry and stress state of the first boring tool module 300 can be optimized, vibration can be reduced, the stability and machining accuracy of the cutting process can be improved, the wear and stress concentration of the first boring tool 330 can be reduced, and its service life can be extended.

[0066] In some embodiments of this application, a fourth adjusting member is also included. The heightening block 310 and the connecting member 200 are detachably or slidably connected. The distance between the heightening block 310 and the central axis of the tool holder 100 can be adjusted. According to the hole diameter of the workpiece to be processed, a corresponding fourth preset value is set. When the distance between the heightening block 310 and the central axis of the tool holder 100 meets the fourth preset value, the fourth adjusting member restricts the relative position between the heightening block 310 and the connecting member 200.

[0067] For example, the first boring bar 330 is connected to the lifting block 310 by bolts. The lifting block 310 is connected to the first guide groove of the connector 200. The extension direction of the first guide groove is consistent with the line direction connecting the lifting block 310 and the central axis of the tool holder 100. The lifting block 310 can move along the first guide groove. Before processing, a preset value, namely the fourth preset value, can be set for the distance between the lifting block 310 and the central axis of the tool holder 100 according to the hole diameter of the workpiece to be processed. When the distance between the lifting block 310 and the central axis of the tool holder 100 meets the fourth preset value, the lifting block 310 is fastened to the connector 200 by the fourth adjusting member, wherein the fourth adjusting member can be a bolt.

[0068] By adjusting the distance between the heightening block 310 and the central axis of the tool holder 100, the distance between the first boring bar 330 and the central axis of the tool holder 100 can be adjusted, thereby improving machining flexibility.

[0069] In some embodiments of this application, the first boring tool module 300 further includes a first adapter 320, and the first boring tool 330 is detachably or slidably connected to the raising block 310 through the first adapter 320.

[0070] For example, the first adapter 320 includes a first fine-tuning slider and a first boring bar holder. The first boring bar 330 can be connected to the first boring bar holder by bolts. The first boring bar holder and the first fine-tuning slider can be connected by bolts. The side of the first fine-tuning slider opposite to the side connected to the first boring bar holder has a slider body. The side of the heightening block 310 opposite to the side connected to the connector 200 has a fourth guide groove. The extension direction of the fourth guide groove is consistent with the line direction connecting the central axis of the first boring bar 330 and the tool holder 100. The slider body of the first fine-tuning slider is installed in the fourth guide groove. The first fine-tuning slider moves along the extension direction of the fourth guide groove. When the distance between the first boring bar 330 and the central axis of the tool holder 100 meets the first preset value, the first adapter 320 is fastened to the heightening block 310 by a first adjusting member, wherein the first adjusting member can be a bolt.

[0071] The first adapter 320 allows for minute adjustments to the cutting position of the first boring bar 330, thereby enabling precise control of the hole diameter and meeting the high-precision dimensional requirements of stepped holes. Simultaneously, as the service life increases, the first boring bar 330 may experience wear, leading to dimensional deviations. The first adapter 320 can compensate for this wear through fine adjustments, extending the service life of the first boring bar 330.

[0072] In some embodiments of this application, the second boring tool module 400 further includes a second adapter 410, the second boring tool 420 is disposed on the second adapter 410, the second adapter 410 is detachably connected or slidably connected to the connector 200, and the relative position between the second adapter 410 and the connector 200 is limited by a second adjusting member.

[0073] For example, the second adapter 410 includes a second fine-tuning slider and a second boring bar holder. The second boring bar 420 can be connected to the second boring bar holder by bolts. The second boring bar holder can be connected to the second fine-tuning slider by bolts. The side of the second fine-tuning slider opposite to the side connected to the second boring bar holder is provided with a slider body. The slider body of the second fine-tuning slider is installed in the second guide groove. The second fine-tuning slider moves along the direction of the extension of the second guide groove. When the distance between the second boring bar 420 and the central axis of the tool holder 100 meets the second preset value, the second adapter 410 is fastened to the connector 200 by a second adjusting member, wherein the second adjusting member can be a bolt.

[0074] Furthermore, the distance between the second boring bar 420 and the central axis of the tool holder 100 is greater than the distance between the first boring bar 330 and the central axis of the tool holder 100, so that the second boring bar 420 is used to machine the large diameter in the stepped hole and the small diameter in the stepped hole.

[0075] In this embodiment, the distances between the counterweight 500, the first adapter 320, the heightening block 310, the second adapter 410, and the central axis of the tool holder 100 are all adjustable. During use, the positional relationship between these four components can be adjusted sequentially according to the actual processing requirements to meet the actual processing needs. Multiple hole diameters can be processed with a single clamping, avoiding multiple tool changes, increasing processing flexibility, improving processing efficiency, and saving production costs.

[0076] In some embodiments of this application, at least two first boring tool modules 300 are also included, and the distance between the first boring blade 330 of the at least two first boring tool modules 300 and the central axis of the tool holder 100 increases sequentially.

[0077] For example, the boring tool includes two first boring tool modules 300 and one second boring tool module 400. The heights of the raising blocks 310 of the two first boring tool modules 300 are different, and the distances between the two first boring tool modules 300 and the central axis of the tool holder 100 are different, and both are smaller than the distance between the second boring insert 420 and the central axis of the tool holder 100, so that the boring tool can process stepped holes with three sets of different hole diameters.

[0078] In some embodiments of this application, the connector 200 is provided with at least three grooves, on which the first boring tool module 300, the second boring tool module 400, and the counterweight 500 are correspondingly installed. By providing grooves, not only is the weight of the connector 200 reduced, but the first boring tool module 300, the second boring tool module 400, and the counterweight 500 are also positioned to prevent displacement due to vibration and improve machining stability.

[0079] Furthermore, the first guide groove, the second guide groove, and the third guide groove are respectively opened in the three grooves or the first slide rail, the second slide rail, and the third slide rail are respectively installed on the three grooves, for connecting the first boring tool module 300, the second boring tool module 400, and the counterweight block 500, and providing a guiding function for adjusting the position of the first boring tool module 300, the second boring tool module 400, and the counterweight block 500.

[0080] This application also provides a machine tool, including a machine tool body and a boring tool, the boring tool being mounted on the machine tool body.

[0081] For example, the machine tool body includes a machine tool spindle, which is connected to a tool holder 100 of a boring tool. The other end of the tool holder 100 is connected to a connector 200. The connector 200 is provided with a counterweight 500, a first boring tool module 300, and a second boring tool module 400 on the side opposite to the tool holder 100. The machine tool spindle drives the tool holder 100 to rotate, and the tool holder 100 drives the counterweight 500, the first boring tool module 300, and the second boring tool module 400 to rotate through the connector 200, so as to process the workpiece to be processed.

[0082] Specifically, in use, the boring bar is mounted on the machine tool spindle. The positions of the first boring bar 330, the second boring bar 420, and the counterweight 500 are adjusted according to the required hole diameter of the workpiece to be machined, and the workpiece is then machined. Alternatively, the positions of the second boring bar 420 and the counterweight 500 are adjusted according to the required hole diameter of the workpiece to machine the larger diameter hole in the stepped hole. After machining, the machine tool spindle retracts the boring bar, and the positions of the first boring bar 330 and the counterweight 500 are adjusted again to machine the smaller diameter hole in the stepped hole. After machining, the boring bar retracts. When machining other workpieces subsequently, the positions of the first boring bar 330, the second boring bar 420, and the counterweight 500 can be manually adjusted accordingly. During the machining process, machining can be completed in a single setup, eliminating the need for multiple tool changes, thus increasing production efficiency and reducing costs.

[0083] Finally, it should be noted that other embodiments of this application will readily conceive of by those skilled in the art upon consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein, and is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and alterations may be made without departing from its scope. The scope of this application is limited only by the appended claims.

Claims

1. A boring tool, characterized in that, include: Handle (100); A connector (200) is connected to the tool holder (100); A first boring tool module (300) includes a first boring bar (330) and a first adjusting member. The first boring bar (330) is detachably or slidably connected to the connecting member (200). The first adjusting member is configured to limit the relative position between the first boring bar (330) and the connecting member (200) when the distance between the central axis of the first boring bar (330) and the tool holder (100) meets a first preset value. The second boring tool module (400) includes a second boring insert (420) and a second adjusting member. The second boring insert (420) is detachably or slidably connected to the connecting member (200). The second adjusting member is configured to limit the relative position between the second boring insert (420) and the connecting member (200) when the distance between the central axis of the second boring insert (420) and the tool holder (100) meets a second preset value. The first boring bar (330) and the second boring bar (420) are configured to rotate with the tool holder (100) to process the workpiece when the tool holder (100) rotates.

2. The boring tool according to claim 1, characterized in that, Also includes: The counterweight (500) and the third adjusting member are detachably or slidably connected to the connecting member (200). The third adjusting member is configured to limit the relative position between the counterweight (500) and the connecting member (200) when the distance between the central axis of the counterweight (500) and the handle (100) meets a third preset value. The counterweight (500) is configured to cooperate with the first boring tool module (300) and the second boring tool module (400) when the tool holder (100) rotates, so that the connecting member (200) is subjected to force balance.

3. The boring tool according to claim 2, characterized in that, The counterweight (500), the first boring tool module (300) and the second boring tool module (400) are all located on the side of the connector (200) away from the tool holder (100).

4. The boring tool according to claim 2, characterized in that, The first boring tool module (300) also includes: The heightening block (310) is connected to the connector (200). The first boring bar (330) is detachably or slidably connected to the heightening block (310). The relative position of the first boring bar (330) and the heightening block (310) is limited by the first adjusting member so that the first boring bar (330) is located on the side of the second boring bar (420) away from the tool holder (100).

5. The boring tool according to claim 4, characterized in that, Also includes: The fourth adjusting member is detachably or slidably connected to the connecting member (200). The fourth adjusting member is configured to limit the relative position between the heightening block (310) and the connecting member (200) when the distance between the central axis of the heightening block (310) and the handle (100) meets a fourth preset value.

6. The boring tool according to claim 5, characterized in that, The first boring tool module (300) also includes: The first adapter (320) is used to detachably or slidably connect the first boring bar (330) to the heightening block (310).

7. The boring tool according to claim 2, characterized in that, The second boring tool module (400) includes: The second adapter (410) is provided on the second boring tool (420). The second adapter (410) is detachably or slidably connected to the connector (200), and the relative position between the second adapter (410) and the connector (200) is limited by the second adjusting member.

8. The boring tool according to any one of claims 2-7, characterized in that, Also includes: At least two first boring bar modules (300), the distance between the first boring bar (330) of the at least two first boring bar modules (300) and the central axis of the tool holder (100) increases sequentially.

9. The boring tool according to claim 8, characterized in that, The connector (200) is provided with at least three grooves, and the first boring tool module (300), the second boring tool module (400) and the counterweight (500) are respectively installed in the grooves.

10. A machine tool, characterized in that, It includes a machine tool body and a boring tool as described in any one of claims 1-9, wherein the boring tool is mounted on the machine tool body.

Images