Machine tool boring cutter convenient to replace

Abstract

The utility model belongs to the technical field of machine tool boring cutters, and particularly relates to a machine tool boring cutter convenient to replace, which comprises a boring cutter seat, a connecting shaft and a loading seat are arranged on the inner side of the boring cutter seat, a loading hole is formed in the top of the loading seat, a connecting seat is arranged on the inner side of the loading hole, positioning holes are symmetrically formed in the connecting seat, and the positioning holes are communicated with the connecting seat. A first connecting hole is formed in the position, located above the positioning hole, of the connecting base, a boring cutter handle is connected to the top of the loading base in an inserted mode, a side loading groove is formed in the boring cutter handle, and a plurality of inserting holes and second connecting holes are sequentially formed in the inner side of the side loading groove in a penetrating mode. The center axis of the second connecting hole and the center axis of the first connecting hole are located on the same straight line, a triangular block is connected to the inner side of the side loading groove in a clamped mode, a loading groove is formed in the bottom of the boring cutter handle, and the loading groove is connected with the loading base in an inserted mode. The device can be conveniently disassembled and assembled, so that the boring cutter handle can be conveniently replaced, and enough stability is kept in the working process of the boring cutter handle.

Description

Technical Field

[0001] This utility model belongs to the field of machine tool boring technology, specifically a machine tool boring tool that is easy to replace. Background Technology

[0002] A boring bar is a type of cutting tool, most commonly used for internal hole machining, reaming, and contouring. It has one or two cutting parts and is specifically designed for roughing, semi-finishing, or finishing existing holes. A boring bar includes a tool holder, a tool head fixed to the tool holder, and boring inserts fixed to the tool head by fastening screws. After the operator installs the boring bar on the boring machine, they can machine the existing hole.

[0003] Traditional boring bar holders often use simple fixing methods to mount boring bars, such as welding or bolting. While this method can secure the boring bar, the replacement process is complex and time-consuming when the boring bar wears out or needs to be replaced. Therefore, to address these issues, a machine tool boring bar that is easy to replace is proposed. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a machine tool boring tool that is easy to replace.

[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: The present utility model provides a machine tool boring tool that is easy to replace, including a boring tool holder. A connecting shaft and a loading seat are provided on the inner side of the boring tool holder. A loading hole is opened on the top of the loading seat. A connecting seat is provided on the inner side of the loading hole. Positioning holes are symmetrically opened on the connecting seat. A first connecting hole is opened on the connecting seat and above the positioning hole. A boring tool shank is inserted into the top of the loading seat. A side loading groove is opened on the boring tool shank. Multiple insertion holes and second connecting holes are sequentially opened through the inner side of the side loading groove. The central axis of the second connecting hole and the first connecting hole are on the same straight line. A triangular block is engaged on the inner side of the side loading groove.

[0006] Preferably, the bottom of the boring bar holder is provided with a loading groove, which is inserted into the loading seat.

[0007] Preferably, a positioning post is inserted into the inner side of the positioning hole, and the positioning post penetrates the loading seat.

[0008] Preferably, the plurality of the insertion holes are arranged symmetrically.

[0009] Preferably, a plurality of plug rods and connecting rods are sequentially installed on the triangular block. The plurality of plug rods are arranged symmetrically, and the plug rods are plugged into the plug holes, and the connecting rods are plugged into the connecting holes.

[0010] Preferably, the boring bar holder has a support groove at the end away from the side loading groove, and a screw plug is fixedly installed on the support groove. The boring bar holder is fixedly connected to the boring head through the screw plug.

[0011] The beneficial effects of this utility model are:

[0012] 1. This utility model provides a machine tool boring tool that is easy to replace. A connecting shaft located inside the boring tool holder connects to the machine tool during operation. The machine tool drives the connecting shaft to rotate, which in turn drives the boring tool holder to rotate, thus enabling the boring tool to work. A loading seat inside the boring tool holder controls the adjustment of the device's working position, achieving high adaptability. A loading hole on the top of the loading seat limits and loads the connecting seat, facilitating easy disassembly of the device. The connecting seat inside the loading hole facilitates easy assembly and disassembly of the loading seat and the boring tool holder. When the boring tool holder needs to be replaced, the connecting seat simplifies the loading process and ensures the stability of the device during use. Symmetrically positioned holes on the connecting seat facilitate loading the connecting seat onto the loading seat. During loading, the device can be assembled and disassembled without contacting the tools, enabling quick and convenient assembly and disassembly, facilitating the replacement of the boring tool holder. The connecting hole 1, located above the positioning hole on the connecting seat, allows for the connection between the loading seat and the boring bar holder. This connection also enhances stability. The three-point positioning via connecting hole 1 and the positioning hole ensures sufficient stability for the connecting seat within the loading seat, preventing shifting or shaking. The boring bar holder is inserted into the top of the loading seat, and a side loading groove on the boring bar holder is used to load and fix the triangular block. This ensures a stable connection between the boring bar holder and the loading seat during use. Multiple insertion holes are sequentially formed along the inner side of the side loading groove for further fixing and connecting the boring bar holder to the loading seat. A second connecting hole, also located inside the side loading groove, serves as the center point for the connection between the boring bar holder and the connecting seat, guaranteeing both connection and stability of the connecting seat within the loading seat. This device allows for easy disassembly and assembly, facilitating the replacement of the boring bar holder while saving time and effort. Attached Figure Description

[0013] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the loading seat in this utility model;

[0016] Figure 3 This is a partial cross-sectional schematic diagram of the loading seat in this utility model;

[0017] Figure 4 This is a schematic diagram of the boring tool holder in this utility model;

[0018] Figure 5 This is a schematic diagram of the triangular block in this utility model.

[0019] Legend:

[0020] 1. Boring tool holder; 2. Connecting shaft; 3. Loading seat; 4. Loading hole; 5. Connecting seat; 6. Positioning hole; 7. Positioning pin; 8. Connecting hole one; 9. Boring tool holder; 10. Loading groove; 11. Side loading groove; 12. Insertion hole; 13. Connecting hole two; 14. Triangular block; 15. Insertion rod; 16. Connecting rod; 17. Support groove; 18. Plug; 19. Boring tool head. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Specific implementation examples are given below.

[0023] Please see Figures 1-5 This utility model provides a machine tool boring tool that is easy to replace, including a boring tool holder 1. A connecting shaft 2 and a loading seat 3 are provided on the inner side of the boring tool holder 1. A loading hole 4 is provided on the top of the loading seat 3. A connecting seat 5 is provided on the inner side of the loading hole 4. A positioning hole 6 is symmetrically provided on the connecting seat 5. A first connecting hole 8 is provided on the connecting seat 5 and above the positioning hole 6. A boring tool holder 9 is inserted into the top of the loading seat 3. A side loading groove 11 is provided on the boring tool holder 9. A plurality of insertion holes 12 and a second connecting hole 13 are sequentially provided through the inner side of the side loading groove 11. The central axis of the second connecting hole 13 and the first connecting hole 8 are on the same straight line. A triangular block 14 is engaged on the inner side of the side loading groove 11.

[0024] In use, the connecting shaft 2, located inside the boring bar holder 1, connects to the machine tool during operation. The machine tool is existing technology and will not be described in detail here. The machine tool drives the connecting shaft 2 to rotate, which in turn drives the boring bar holder 1 to rotate, thus enabling the boring bar to work. The loading seat 3, located inside the boring bar holder 1, controls the adjustment of the device's working position, achieving height adaptability. The loading hole 4 on the top of the loading seat 3 is used to limit and load the connecting seat 5, facilitating easy disassembly of the device. The connecting seat 5, located on the inner side of component 4, facilitates the assembly and disassembly of the loading seat 3 and the boring bar holder 9. When the boring bar holder 9 needs to be replaced, the connecting seat 5 simplifies the loading process and ensures the stability of the device during use. The symmetrically arranged positioning holes 6 on the connecting seat 5 facilitate loading the connecting seat 5 onto the loading seat 3. During loading, the device allows for quick and convenient assembly and disassembly without contact with the tools used for assembly and disassembly, enabling workers to easily replace the boring bar holder 9. The connecting seat 5, located above the positioning holes 6, provides further facilitating the replacement of the boring bar holder 9. The connecting hole 8 serves two purposes: firstly, it connects the loading seat 3 and the boring bar holder 9; secondly, it enhances the stability of the connection between the connecting seat 5 and the loading seat 3. Specifically, the three-point positioning via the connecting hole 8 and the positioning hole 6 ensures that the connecting seat 5 maintains sufficient stability inside the loading seat 3, preventing offset and wobbling. The boring bar holder 9 is inserted into the top of the loading seat 3, and a side loading groove 11 is provided on the boring bar holder 9 for loading and fixing the triangular block 14. This ensures that the boring bar holder 9 and the loading seat are properly connected during use. 3. To maintain a stable connection, multiple insertion holes 12 are sequentially opened through the inner side of the side loading groove 11 for fixing and connecting the boring bar holder 9 to the loading seat 3. The connecting hole 13 opened on the inner side of the side loading groove 11 serves as the center point for connecting the boring bar holder 9 and the connecting seat 5. This ensures both the connection between the two and the stability of the connecting seat 5 inside the loading seat 3. This device enables convenient disassembly and assembly for easy replacement of the boring bar holder 9, and maintains sufficient stability during the operation of the boring bar holder 9, saving time and effort during replacement.

[0025] Furthermore, such as Figure 3 and Figure 4 As shown, a loading groove 10 is provided at the bottom of the boring bar holder 9, and the loading groove 10 is inserted into the loading seat 3;

[0026] In use, the loading groove 10 is opened at the bottom of the boring bar 9 and is inserted into the loading seat 3 to achieve a stable connection between the boring bar 9 and the loading seat 3 in this device. The loading groove 10 is also a key position for easy disassembly and assembly of this device.

[0027] Furthermore, such as Figure 2 and Figure 3As shown, a positioning post 7 is inserted into the inner side of the positioning hole 6, and the positioning post 7 penetrates the loading seat 3.

[0028] During use, the positioning pin 7, which is inserted into the inside of the positioning hole 6 and passes through the loading seat 3, can achieve a stable connection between the connecting seat 5 and the loading seat 3, and ensure the stability of the device during operation while the machine tool drives the device.

[0029] Furthermore, such as Figure 4 As shown, the multiple insertion holes 12 are arranged symmetrically;

[0030] In use, the multiple insertion holes 12 are symmetrically arranged and, together with the connecting hole 8, form an equilateral triangle point structure. After the insertion rods 15 and 16 are respectively inserted, the loading seat 3 and the boring bar 9 can form a stable connection.

[0031] Furthermore, such as Figure 4 and Figure 5 As shown, multiple plug-in rods 15 and connecting rods 16 are sequentially installed on the triangular block 14. The multiple plug-in rods 15 are arranged symmetrically, and the plug-in rods 15 are plugged into the plug-in holes 12, and the connecting rods 16 are plugged into the connecting holes 13.

[0032] In use, multiple plug-in rods 15 and connecting rods 16 are sequentially installed on the triangular block 14. The multiple plug-in rods 15 are symmetrically arranged, and the plug-in rods 15 are plugged into the plug-in holes 12. The connecting rods 16 are plugged into the connecting holes 13. The two plug-in holes 12 cooperate with one connecting hole 8 to form an equilateral triangle point structure. After the plug-in rods 15 and connecting rods 16 are plugged in respectively, the loading seat 3 and the boring bar holder 9 can form a stable connection.

[0033] Furthermore, such as Figure 4 As shown, a support groove 17 is provided at one end of the boring bar holder 9 away from the side loading groove 11. A screw plug 18 is fixedly provided on the support groove 17, and the boring bar holder 9 is fixedly connected to the boring head 19 through the screw plug 18.

[0034] In use, the holding groove 17 opened at the end of the boring bar 9 away from the side loading groove 11 is used to limit and hold the boring head 19 after loading. The screw plug 18 fixedly installed on the holding groove 17 and the boring head 19 fixedly connected to the boring bar 9 through the screw plug 18 are used to load the boring head 19, and the boring head 19 is used to perform through-cutting machining.

[0035] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A machine tool boring tool that is easy to replace, comprising a boring tool holder (1), wherein a connecting shaft (2) and a loading seat (3) are provided on the inner side of the boring tool holder (1); characterized in that: The loading seat (3) has a loading hole (4) at the top. A connecting seat (5) is provided inside the loading hole (4). A positioning hole (6) is symmetrically provided on the connecting seat (5). A connecting hole (8) is provided on the connecting seat (5) above the positioning hole (6). A boring bar holder (9) is inserted into the top of the loading seat (3). A side loading groove (11) is provided on the boring bar holder (9). A plurality of insertion holes (12) and a connecting hole (13) are sequentially provided through the inner side of the side loading groove (11). The central axis of the connecting hole (13) and the connecting hole (8) are on the same straight line. A triangular block (14) is engaged inside the side loading groove (11).

2. The machine tool boring tool that is easy to replace according to claim 1, characterized in that: The bottom of the boring bar holder (9) is provided with a loading groove (10), which is inserted into the loading seat (3).

3. The machine tool boring tool that is easy to replace according to claim 1, characterized in that: A positioning post (7) is inserted into the inner side of the positioning hole (6), and the positioning post (7) penetrates the loading seat (3).

4. The machine tool boring tool that is easy to replace according to claim 1, characterized in that: The plurality of the plug holes (12) are arranged symmetrically.

5. The machine tool boring tool that is easy to replace according to claim 1, characterized in that: Multiple plug rods (15) and connecting rods (16) are sequentially installed on the triangular block (14). The multiple plug rods (15) are arranged symmetrically, and the plug rods (15) are plugged into the plug hole (12). The connecting rods (16) are plugged into the connecting hole (13).

6. The machine tool boring tool that is easy to replace according to claim 1, characterized in that: The boring bar holder (9) has a support groove (17) at one end away from the side loading groove (11). A screw plug (18) is fixedly installed on the support groove (17), and the boring bar holder (9) is fixedly connected to the boring head (19) through the screw plug (18).

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