Boring cutter for deep hole machining

Abstract

The utility model discloses a boring cutter for deep hole machining, which relates to the field of boring cutters and comprises a boring cutter holder, a boring cutter body is mounted on the front side of the boring cutter holder, a connecting rod is fixedly connected to the center of the back side of the boring cutter body, and positioning components are symmetrically and movably connected to the left side and the right side of the front side of an inner cavity of the boring cutter holder. A connecting rod is movably connected to the back face of the boring tool rest, a mounting groove is formed in the center of the front face of the boring tool rest, the two positioning assemblies are symmetrically and movably connected to the left side and the right side of an inner cavity of the mounting groove, and the mounting column is matched with the mounting groove in size. According to the boring cutter for deep hole machining, the boring cutter is convenient to install and replace, a good fastening effect can be achieved on the installation column through the arranged positioning assembly and the arranged clamping block, the phenomena of loosening and falling off can be prevented in the working process, and the boring cutter is convenient to install and replace. And meanwhile, the position of the boring cutter body can be adjusted according to use requirements, so that various machining requirements are met.

Description

Technical Field

[0001] The utility model relates to the field of boring cutters, in particular to a boring cutter used for deep hole processing. Background Art

[0002] A boring tool is a type of boring tool, generally with a round shank, but also with a square shank for larger workpieces. The most common occasions are internal hole processing, hole expansion, profiling, etc. It has one or two cutting parts and is specially used for rough processing, semi-finishing or finishing of existing holes. It can be used on boring machines, lathes or milling machines. When using it, appropriate modules can be selected according to the requirements of the workpiece and assembled into various boring tools, thereby simplifying the design and manufacture of the tool.

[0003] When the boring tool is used for deep hole processing, it is inconvenient to further adjust the size of the boring tool, resulting in failure to meet processing requirements. At the same time, it is cumbersome to replace the boring tool, and the tightness of the connection cannot be guaranteed.

[0004] Therefore, it is necessary to propose a boring tool for deep hole processing to solve the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a boring tool for deep hole processing, which can effectively solve the problems in the background technology.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A boring tool for deep hole processing comprises a boring tool holder, a boring tool body is mounted on the front of the boring tool holder, a connecting rod is fixedly connected to the center of the back of the boring tool body, positioning components are symmetrically and movably connected to the left and right sides of the front of the inner cavity of the boring tool holder, and a connecting rod is movably connected to the back of the boring tool holder.

[0008] Preferably, Also includes mounting posts, A mounting groove is provided in the middle of the front side of the boring tool holder, and two positioning components are symmetrically and movably connected to the left and right sides of the inner cavity of the mounting groove, and the sizes of the mounting column and the mounting groove are matched.

[0009] Preferably, card slots are symmetrically opened in the middle of the left and right sides of the mounting column, the two positioning components are arc-shaped, elastic bands are symmetrically fixedly connected to the top and bottom opposite sides of the inner cavity of the two positioning components, and card blocks are symmetrically fixedly connected to the top and bottom opposite sides of the elastic bands.

[0010] Preferably, the front faces of the two card blocks are both inclined surfaces, the sizes of the card blocks and the card slots are adapted, the front and back faces of the two card blocks on opposite sides are symmetrically fixedly connected with springs, and the opposite sides of the springs on the left and right sides are symmetrically fixedly connected to the front and back faces of the opposite sides of the inner cavities of the two positioning components.

[0011] Preferably, a first threaded rod is symmetrically rotatably connected in the middle of opposite sides of the two positioning components, and a rotating handle is symmetrically fixedly connected on opposite sides of the two first threaded rods.

[0012] Preferably, the two first threaded rods are symmetrically threadedly connected to the front sides of the left and right sides of the inner cavity of the boring tool holder, and the front sides of the left and right sides of the boring tool holder are symmetrically provided with first through slots, and the rotating handle is rotatably connected in the inner cavity of the through slots.

[0013] Preferably, the boring tool holder is a cavity structure, a threaded groove is provided in the middle of the back side of the boring tool holder, a second threaded rod is fixedly connected to the middle of the front side of the connecting rod, and a limiting block is fixedly connected to the front side of the second threaded rod.

[0014] Preferably, the second threaded rod is threadedly connected to the boring tool holder via a thread groove, the size of the limit block is larger than the thread groove, the limit block is movably connected in the inner cavity of the boring tool holder, and second through grooves are symmetrically opened on the back side of the left and right sides of the boring tool holder, and positioning bolts are symmetrically threaded in the inner cavities of the two second through grooves, and the opposite sides of the two positioning bolts are symmetrically fitted on the left and right sides of the second threaded rod. Beneficial Effects

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The boring tool for deep hole processing can make the first threaded rod be threadedly connected with the boring tool holder by rotating the rotating handle, and then the two positioning components can be driven to move to the opposite side, and the clamping block can be driven to be clamped into the inner cavity of the clamping slot, so that the mounting column can be installed, thereby facilitating the installation of the boring tool body.

[0017] The boring tool for deep hole processing can drive the positioning component to separate from the outer wall of the mounting column by rotating the handle in the opposite direction, so that the boring tool body can be removed, and it is convenient to replace the boring tool body. In normal state, the spring can bounce the clamping block outward, so as to improve the installation tightness of the clamping block and the mounting column. At the same time, the inclined surface on the front side of the clamping block can facilitate the installation column to enter the inner cavity of the boring tool holder for installation.

[0018] The boring tool for deep hole processing can make the second threaded rod threadably connected to the boring tool holder by rotating the connecting rod. At this time, the position of the boring tool body can be adjusted to meet the processing work of different depths. At the same time, the spacing between the boring tool holder and the connecting rod can be limited by the set limit block. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the front side of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the boring cutter body of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the positioning assembly on the left side of the utility model;

[0022] Figure 4 It is a structural schematic diagram of the connecting rod of the utility model.

[0023] In the figure: 1. boring tool holder; 2. boring tool body; 3. connecting rod; 4. mounting column; 5. slot; 6. turning handle; 7. positioning assembly; 8. first threaded rod; 9. clamping block; 10. elastic band; 11. spring; 12. second threaded rod; 13. limit block; 14. positioning bolt. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] like Figure 1-Figure 4As shown, a boring tool for deep hole processing includes a boring tool holder 1, a boring tool body 2 is installed on the front of the boring tool holder 1, a connecting rod 3 is fixedly connected to the middle of the back of the boring tool body 2, positioning components 7 are symmetrically and movably connected to the left and right sides of the front of the inner cavity of the boring tool holder 1, the back of the boring tool holder 1 is movably connected to the connecting rod 3, a mounting groove is opened in the middle of the front of the boring tool holder 1, two positioning components 7 are symmetrically and movably connected to the left and right sides of the inner cavity of the mounting groove, the mounting column 4 is adapted to the size of the mounting groove, and the left and right sides of the mounting column 4 are symmetrically and movably connected to the left and right sides of the inner cavity of the mounting groove. A card slot 5 is symmetrically opened in the middle of the side, and the two positioning components 7 are both arc-shaped. The top and bottom opposite sides of the inner cavity of the two positioning components 7 are symmetrically fixedly connected with elastic bands 10, and the top and bottom elastic bands 10 are symmetrically fixedly connected with card blocks 9 on the opposite sides. The front faces of the two card blocks 9 are both inclined surfaces, and the card blocks 9 are adapted to the size of the card slot 5. The front and back faces of the two card blocks 9 opposite to each other are symmetrically fixedly connected with springs 11, and the opposite sides of the springs 11 on the left and right sides are symmetrically fixedly connected in the two positioning components 7. The front and back sides of the opposite sides of the cavity, the middle of the opposite sides of the two positioning components 7 are symmetrically connected to the first threaded rod 8, the opposite sides of the two first threaded rods 8 are symmetrically fixedly connected to the handle 6, the two first threaded rods 8 are symmetrically threadedly connected to the front sides of the left and right sides of the inner cavity of the boring tool holder 1, the front sides of the left and right sides of the boring tool holder 1 are symmetrically provided with first through grooves, the handle 6 is rotatably connected in the inner cavity of the through groove, the boring tool holder 1 is a cavity structure, the middle of the back side of the boring tool holder 1 is provided with a threaded groove, the middle of the front side of the connecting rod 3 A second threaded rod 12 is fixedly connected, and a limiting block 13 is fixedly connected to the front side of the second threaded rod 12. The second threaded rod 12 is threadedly connected to the boring tool holder 1 through a thread groove. The size of the limiting block 13 is larger than the thread groove. The limiting block 13 is movably connected in the inner cavity of the boring tool holder 1. Second through grooves are symmetrically opened on the back side of the left and right sides of the boring tool holder 1. Positioning bolts 14 are symmetrically threaded in the inner cavities of the two second through grooves. The opposite sides of the two positioning bolts 14 are symmetrically fitted on the left and right sides of the second threaded rod 12.

[0026] By rotating the rotating handle 6, the first threaded rod 8 can be threadedly connected to the boring tool holder 1, and the two positioning components 7 can be driven to move to the opposite side, and the clamping block 9 can be driven to be clamped into the inner cavity of the clamping groove 5, so that the mounting column 4 can be installed, so as to facilitate the installation of the boring tool body 2. By rotating the rotating handle 6 in the opposite direction, the positioning component 7 can be driven to separate from the outer wall of the mounting column 4, so that the boring tool body 2 can be removed, and the boring tool body 2 can be replaced conveniently. In normal state, the spring 1 The block 9 can be ejected outwards, so as to improve the installation tightness of the block 9 and the installation column 4. At the same time, the inclined surface set on the front of the block 9 facilitates the installation column 4 to enter the inner cavity of the boring tool holder 1 for installation. By rotating the connecting rod 3, the second threaded rod 12 can be threadedly connected with the boring tool holder 1. At this time, the position of the boring tool body 2 can be adjusted to meet the processing work of different depths. At the same time, the spacing between the boring tool holder 1 and the connecting rod 3 can be limited by the set limit block 13.

[0027] The second threaded rod 12 is threadedly connected to the boring tool holder 1 by rotating the connecting rod 3 during use. At this time, the position of the boring tool body 2 can be adjusted. After the adjustment is completed, the positioning bolt 14 is tightened to fix the position of the second threaded rod 12. In this way, the boring tool body 2 can be used. If the boring tool body 2 needs to be replaced, the turning handle 6 is turned to drive the first threaded rod 8 to be threadedly connected to the boring tool holder 1. At this time, the two positioning assemblies 7 can be driven to move to the opposite side until they are separated from the mounting column 4. At this time, the clamping block 9 will also leave the inner cavity of the clamping groove 5, and the boring tool body 2 is taken out. A new boring tool body 2 is prepared and inserted into the inner cavity of the boring tool holder 1 through the mounting column 4. The turning handle 6 is turned so that the positioning assembly 7 can drive the clamping block 9 to be clamped into the inner cavity of the clamping groove 5. At the same time, the positioning assembly 7 will fit the outer wall of the mounting column 4 to complete the replacement of the boring tool body 2.

[0028] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A boring tool for deep hole machining, comprising a boring tool holder (1), characterized in that: A boring tool body (2) is mounted on the front of the boring tool holder (1); a connecting rod (3) is fixedly connected to the center of the back of the boring tool body (2); positioning assemblies (7) are symmetrically and movably connected to the left and right sides of the front of the inner cavity of the boring tool holder (1); and the back of the boring tool holder (1) is movably connected to the connecting rod (3).

2. A boring tool for deep hole machining according to claim 1, characterized in that: It also includes a mounting column (4), a mounting groove is provided in the middle of the front of the boring tool holder (1), two positioning components (7) are symmetrically and movably connected to the left and right sides of the inner cavity of the mounting groove, and the dimensions of the mounting column (4) and the mounting groove are matched.

3. A boring tool for deep hole machining according to claim 2, characterized in that: A clamping groove (5) is symmetrically provided in the middle of the left and right sides of the installation column (4); the two positioning components (7) are both arc-shaped; elastic bands (10) are symmetrically fixedly connected to the top and bottom opposite sides of the inner cavity of the two positioning components (7); and clamping blocks (9) are symmetrically fixedly connected to the top and bottom opposite sides of the elastic bands (10).

4. A boring tool for deep hole machining according to claim 3, characterized in that: The front faces of the two clamping blocks (9) are both inclined surfaces. The sizes of the clamping blocks (9) and the clamping slots (5) are adapted to each other. The front faces and back faces of the two clamping blocks (9) facing away from each other are symmetrically fixedly connected with springs (11). The sides facing away from each other of the springs (11) on the left and right sides are symmetrically fixedly connected to the front faces and back faces of the inner cavities of the two positioning components (7) facing away from each other.

5. A boring tool for deep hole machining according to claim 1, characterized in that: A first threaded rod (8) is symmetrically rotatably connected in the middle of the opposite sides of the two positioning components (7), and a rotating handle (6) is symmetrically fixedly connected to the opposite sides of the two first threaded rods (8).

6. A boring tool for deep hole machining according to claim 5, characterized in that: The two first threaded rods (8) are symmetrically threadedly connected to the front sides of the left and right sides of the inner cavity of the boring tool holder (1); the front sides of the left and right sides of the boring tool holder (1) are symmetrically provided with first through slots; and the rotating handle (6) is rotatably connected in the inner cavity of the through slots.

7. A boring tool for deep hole machining according to claim 1, characterized in that: The boring tool holder (1) is a hollow structure, a threaded groove is provided in the middle of the back of the boring tool holder (1), a second threaded rod (12) is fixedly connected to the middle of the front of the connecting rod (3), and a limiting block (13) is fixedly connected to the front of the second threaded rod (12).

8. A boring tool for deep hole machining according to claim 7, characterized in that: The second threaded rod (12) is threadedly connected to the boring tool holder (1) via a thread groove; the size of the limit block (13) is larger than the thread groove; the limit block (13) is movably connected in the inner cavity of the boring tool holder (1); second through grooves are symmetrically provided on the back surfaces of the left and right sides of the boring tool holder (1); positioning bolts (14) are symmetrically threadedly connected in the inner cavities of the two second through grooves; and opposite sides of the two positioning bolts (14) are symmetrically fitted on the left and right sides of the second threaded rod (12).

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