Boring bar device

Abstract

The utility model discloses a boring bar device which comprises a first boring bar and a second boring bar, the first boring bar is installed on a main machine of a machine tool, the second boring bar is connected with the tail end of the first boring bar, the second boring bar comprises a connecting flange, a connecting portion and an installing portion, the connecting portion is connected with the connecting flange and the installing portion, and the connecting flange is connected with the end face of the tail end of the first boring bar. The mounting part is provided with a blade mounting groove, the front end of the blade mounting groove is provided with a blade mounting through hole, the boring rod II is internally provided with a radial driving hole, and the driving hole is communicated with the blade mounting through hole and the blade mounting groove. The horizontal movement of the shaft is used for driving the cutter row to move, so that the flange conical surface of the power plant is machined.

Description

Technical Field

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

[0002] Machine tools refer to machines that mainly use turning tools to turn rotating workpieces. Drills, reamer drills, reamers, taps, dies and knurling tools can also be used on lathes for corresponding processing. Lathes are mainly used to process shafts, discs, sleeves and other workpieces with rotating surfaces. Boring bars are connecting rods between boring machines, deep hole drilling and boring machines and corresponding drills, boring heads, rolling heads and combined boring and rolling heads. At present, boring bars can be used to process flanges, such as the conical surface of power plant flanges. However, the length of the power plant flange is close to 1m, and it is installed underground, so ordinary machine tools cannot process it. The specific reason is that the existing tool row is fixed at the boring bar at the front end, and then the boring bar is moved to drive the tool row to move, but the current processing environment cannot realize the boring bar, resulting in the inability to process. Utility Model Content

[0003] The utility model discloses a boring bar device which can be quickly disassembled and assembled, is convenient for maintenance, processes a driving hole in the boring bar, the end of a cutter row is arranged in the driving hole, and utilizes the horizontal movement of a shaft to drive the cutter row to move, thereby realizing the processing of the flange cone surface of a power plant.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] The utility model discloses a boring bar device, comprising a boring bar 1 and a boring bar 2. The boring bar 1 is installed at a main machine of a machine tool, the boring bar 2 is connected with the end of the boring bar 1, the boring bar 2 comprises a connecting flange, a connecting part and a mounting part, the connecting part connects the connecting flange and the mounting part, the connecting flange is connected with the end end face of the boring bar 1, a blade mounting groove is arranged on the mounting part, a blade mounting through hole is arranged at the front end of the blade mounting groove, a radial driving hole is arranged in the boring bar 2, and the driving hole communicates the blade mounting through hole and the blade mounting groove.

[0006] Furthermore, the outer diameter of the connecting flange is greater than the outer diameter of the mounting portion, and a positioning ring is provided on the side of the connecting flange facing the boring bar.

[0007] Furthermore, a positioning groove corresponding to the positioning ring is provided on the boring bar, and a plurality of connecting holes are provided at the connecting flange, and the connecting holes are located on the outer side of the positioning ring.

[0008] Furthermore, the inner side of the boring bar 1 is provided with a first protrusion and a second protrusion facing inwards, and both the first protrusion and the second protrusion are in contact with the outer side of the driving rod of the machine tool.

[0009] Furthermore, a positioning key installation hole for installing a positioning key is provided on the boring bar, the positioning key is arranged at the positioning key installation hole, and the end of the positioning key is arranged at the moving groove on the surface of the driving rod.

[0010] Furthermore, the length of the blade mounting groove is smaller than the length of the mounting portion, the bottom of the blade mounting groove is a plane, a blade mounting through hole is provided at the front end of the blade mounting groove, and a plurality of blind holes are provided outside the blade mounting through hole.

[0011] Furthermore, the driving hole includes driving hole 1 and driving hole 2, the diameter of driving hole 2 is greater than the width of driving hole 1, driving hole 1 is a square hole, driving hole 2 is a cylindrical hole, and driving hole 2 is connected to the blade installation hole.

[0012] Furthermore, a first clamping groove is provided at the connecting flange, and a second clamping groove corresponding to the first clamping groove is provided on the first boring bar.

[0013] The beneficial effects of the utility model are:

[0014] The second boring bar of the utility model can be conveniently and quickly removed from one boring bar. Before transportation, the overall size of the machine tool can be reduced to facilitate packaging and transportation. By machining a drive hole in the boring bar, the end of the tool row is arranged in the drive hole, and the horizontal movement of the shaft is used to drive the tool row to move, so as to realize the processing of the flange cone surface of the power plant. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0016] Figure 1 This is a schematic diagram of the installation of an embodiment of the utility model.

[0017] Figure 2 It is a cross-sectional view of a boring bar according to an embodiment of the utility model.

[0018] Figure 3 It is a right side view of a boring bar according to an embodiment of the utility model.

[0019] Figure 4 This is a second front view of a boring bar according to an embodiment of the utility model.

[0020] Figure 5 This is a top view of a boring bar according to an embodiment of the present utility model.

[0021] Figure 6 for Figure 4 Middle BB section view.

[0022] Figure 7 This is a cross-sectional view of a boring bar according to an embodiment of the utility model. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.

[0024] As shown in the figure, the utility model discloses a boring bar device, including a boring bar 1 and a boring bar 2. The boring bar 1 is installed at a main machine 3 of a machine tool. The boring bar 2 is connected to the end of the boring bar 1. The boring bar 2 includes a connecting flange 4, a connecting portion 5 and a mounting portion 6. The connecting portion 5 connects the connecting flange 4 and the mounting portion 6. The connecting flange 4 is connected to the end end face of the boring bar 1. The mounting portion 6 is provided with a blade mounting groove 7. The front end of the blade mounting groove 7 is provided with a blade mounting through hole 12. A radial driving hole 13 is provided in the boring bar 2. The driving hole 13 connects the blade mounting through hole 12 and the blade mounting groove 7. The boring bar 2 is located outside the main machine 3 of the machine tool. The blade or the tool row M passes through the blade installation hole 12 and does not need to be fixed at the boring bar 2. The tool row M is connected to the driving rod located in the boring bar 2. The driving rod drives the tool row M to move along the blade installation hole 12 to adjust the position of the tool row M and process the workpiece. The whole process does not require the boring bar 2 to move horizontally. The driving rod drives the tool row M to move, and it only needs to design the connection between the end of the driving rod and the tool row M as a plurality of slide grooves at a 45-degree angle. In this way, the motion trajectory of the driving rod and the tool row M is vertical. The above driving method is a conventional design in the mechanical field and will not be described in detail here.

[0025] In an embodiment of the utility model, the outer diameter of the connecting flange 4 is larger than the outer diameter of the mounting portion 6, and a positioning ring 9 is provided on the side of the connecting flange 4 facing the boring bar 1. The outer diameter of the connecting flange 4 is larger than the outer diameter of the mounting portion 6, so that the connecting portion 5 is a truncated cone structure, so that the outer diameter of the mounting portion 6 is smaller than the outer diameter of the connecting flange 4, which is convenient for use.

[0026] In an embodiment of the utility model, a positioning groove corresponding to the positioning ring is provided on the boring bar 1, and a plurality of connecting holes 10 are provided at the connecting flange 4, and the connecting holes 10 are located outside the positioning ring 9. The positioning ring 9 is convenient for positioning, installation and disassembly.

[0027] In an embodiment of the utility model, the inner side of the boring bar 1 is provided with an inwardly facing protrusion 101 and a second protrusion 102, and both the protrusion 1 and the second protrusion are in contact with the outer side of the driving rod of the machine tool. The design of the protrusion 101 and the second protrusion 102 reduces the contact area between the boring bar 1 and the driving rod of the machine tool.

[0028] In an embodiment of the utility model, a positioning key installation hole 103 for installing a positioning key is provided on the boring bar 1, a positioning key 11 is arranged at the positioning key installation hole 103, and the end of the positioning key 11 is arranged at the moving groove on the surface of the driving rod. The positioning key 11 plays the role of guiding the movement of the driving rod.

[0029] In an embodiment of the present invention, the length of the blade installation groove 7 is smaller than the length of the installation portion 6, and the bottom of the blade installation groove 7 is a plane.

[0030] In one embodiment of the utility model, the driving hole 13 includes a driving hole 131 and a driving hole 132. The diameter of the driving hole 132 is greater than the width of the driving hole 131. The driving hole 131 is a square hole, and the driving hole 132 is a cylindrical hole. The driving hole 2 is connected to the blade mounting hole.

[0031] The connecting flange 4 is provided with a clamping groove 1 41, and the boring bar 1 is provided with a clamping groove 2 42 corresponding to the clamping groove 1. The clamping block can be inserted into the clamping groove 1 41 and the clamping groove 2 42 after being combined.

[0032] The above description is only the preferred implementation 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.

Claims

1. A boring bar device, characterized in that: The invention comprises a boring bar 1 and a boring bar 2. The boring bar 1 is installed at the main machine of the machine tool. The boring bar 2 is connected to the end of the boring bar 1. The boring bar 2 comprises a connecting flange, a connecting part and a mounting part. The connecting part connects the connecting flange and the mounting part. The connecting flange is connected to the end face of the boring bar 1. The mounting part is provided with a blade mounting groove. The front end of the blade mounting groove is provided with a blade mounting through hole. A radial driving hole is provided in the boring bar 2. The driving hole connects the blade mounting through hole and the blade mounting groove.

2. A boring bar device according to claim 1, characterized in that: The outer diameter of the connecting flange is greater than the outer diameter of the mounting portion, and a positioning ring is arranged on the side of the connecting flange facing the boring bar.

3. A boring bar device according to claim 2, characterized in that: A positioning groove corresponding to the positioning ring is arranged on the boring bar, and a plurality of connecting holes are arranged at the connecting flange, and the connecting holes are located on the outer side of the positioning ring.

4. A boring bar device according to claim 1, characterized in that: The inner side of the boring bar 1 is provided with a first protrusion and a second protrusion facing inwards, and both the first protrusion and the second protrusion are in contact with the outer side of the driving rod of the machine tool.

5. A boring bar device according to claim 4, characterized in that: The first boring bar is provided with a positioning key installation hole for installing the positioning key, the positioning key is arranged at the positioning key installation hole, and the end of the positioning key is arranged at the moving groove on the surface of the driving rod.

6. A boring bar device according to claim 1, characterized in that: The length of the blade installation groove is smaller than the length of the installation portion, the bottom of the blade installation groove is a plane, and a plurality of blind holes are arranged on the outer side of the blade installation through hole.

7. A boring bar device according to claim 1, characterized in that: The driving hole comprises driving hole 1 and driving hole 2. The diameter of driving hole 2 is greater than the width of driving hole 1. Driving hole 1 is a square hole, driving hole 2 is a cylindrical hole, and driving hole 2 is connected with the blade installation hole.

8. A boring bar device according to claim 1, characterized in that: A clamping groove one is arranged at the connecting flange, and a clamping groove two corresponding to the clamping groove one is arranged on the boring bar one.

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