Adjustable multi-runner precision boring cutter

Abstract

The utility model discloses an adjustable multi-runner precision boring cutter, which belongs to the technical field of boring cutters, and comprises a cutter head which is of a rotary body structure, a liquid storage bin is arranged in the cutter head, a plurality of spraying holes communicated with the liquid storage bin are formed in the side wall of the cutter head, and a cooling liquid runner communicated with the liquid storage bin is formed in the first end of the cutter head; the tool apron is located on one side of the tool bit, and the tool apron is connected with the tool bit through a sliding adjusting mechanism; according to the precise boring tool, the position of the tool apron is adjusted through the sliding adjusting mechanism arranged on the tool bit, then the position of the blade is adjusted, the adjustable use requirement of the precise boring tool is met, and on the premise, the cooling liquid flow channel, the liquid storage bin and the spraying holes are formed in the tool bit, so that the cooling effect is improved. The pressurized cooling liquid is released at the spraying holes after passing through the cooling liquid flow channel and the liquid storage bin, so that the tool bit can supply the cooling liquid to the machining position of the blade during rotary machining, the boring tool and a workpiece are rapidly cooled, and then the machining quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of boring tools, and particularly relates to an adjustable multi-channel precision boring tool. Background Art

[0002] A boring tool is a kind of hole machining tool. Generally, it has a round shank. For larger workpieces, a square tool bar is used, which is commonly seen in vertical lathes. The most common applications are inner hole machining, reaming, profiling, etc.

[0003] At present, for the adjustable design of precision boring tools, the spray head for cooling the boring tool cannot extend into the internal part of the machining hole, so that the boring tool and the workpiece cannot be quickly cooled, thus affecting the machining quality. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an adjustable multi-channel precision boring tool to solve the above problems.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an adjustable multi-channel precision boring tool, which comprises:

[0006] A tool bit, which has a rotary body structure. A liquid storage chamber is arranged inside the tool bit. A plurality of spray holes communicating with the liquid storage chamber are formed on the side wall of the tool bit. A coolant flow channel communicating with the liquid storage chamber is formed at the first end of the tool bit.

[0007] A tool holder, which is located on one side of the tool bit, and the tool holder is connected to the tool bit through a sliding adjustment mechanism.

[0008] A cutting blade, which is connected to the tool holder through a first fixing bolt.

[0009] As a further description of the above technical scheme:

[0010] A plurality of the spray holes are aligned with the cutting blade.

[0011] As a further description of the above technical scheme:

[0012] The coolant flow channel is a round hole, and the axis of the coolant flow channel coincides with the axis of the tool bit.

[0013] As a further description of the above technical scheme:

[0014] The sliding adjustment mechanism includes a piston rod and a first adjusting bolt. The piston rod is slidably connected in a blind hole on the tool head. The tool holder is connected to the end of the piston rod through a second fixing bolt. The first adjusting bolt is hinged on the tool head, and the end of the first adjusting bolt is screwed to the piston rod. A plurality of guide sliding strips are arranged on the side wall of the piston rod, and a plurality of guide sliding grooves are formed on the inner wall of the blind hole. The plurality of guide sliding strips are clamped into the plurality of guide sliding grooves.

[0015] As a further description of the above technical solution:

[0016] The blind hole is communicated with the coolant flow channel. An avoidance groove penetrating the piston rod is formed on the piston rod, and the avoidance groove is communicated with the coolant flow channel.

[0017] As a further description of the above technical solution:

[0018] A plurality of second adjusting bolts matching the coolant flow channel are screwed on the second end of the tool head, and the end of the second adjusting bolt extends into the corresponding spray hole.

[0019] In summary, due to the adoption of the above technical solution, the beneficial effects of the present utility model are as follows:

[0020] 1. In the present utility model, the position of the tool holder is adjusted through the sliding adjustment mechanism arranged on the tool head, and then the position of the cutting blade is adjusted to meet the adjustable use requirements of the precision boring tool. On this premise, a coolant flow channel, a liquid storage chamber and spray holes are arranged inside the tool head. The pressurized coolant is released at the spray holes after passing through the coolant flow channel and the liquid storage chamber, so that the tool head can supply coolant to the cutting blade processing area during rotary machining, enabling the boring tool and the workpiece to be quickly cooled, thereby ensuring the machining quality.

[0021] 2. In the present utility model, by turning the first adjusting bolt, the guide sliding groove has a limiting and guiding effect on the guide sliding groove, so that the screwing action between the first adjusting bolt and the piston rod is converted into the linear movement of the piston rod in the blind hole, thereby adjusting the positions of the tool holder and the cutting blade to meet the flexible use requirements of the precision boring tool.

[0022] 3. In the present utility model, by turning the second adjusting bolt to control the length of the second adjusting bolt extending into the spray hole, it is convenient to adjust the flow rate of the liquid sprayed from the spray hole. Description of the Drawings

[0023] Figure 1 It is a schematic diagram of the overall structure of an adjustable multi-channel precision boring tool Figure 1 。

[0024] Figure 2 It is a schematic diagram of the overall structure of an adjustable multi-channel precision boring tool Figure 2 。

[0025] Figure 3 It is a sectional view of an adjustable multi-channel precision boring tool.

[0026] Figure 4 It is an exploded view of an adjustable multi-channel precision boring tool.

[0027] Legend description:

[0028] 1. Tool bit; 2. Liquid storage chamber; 3. Spray holes; 4. First end; 5. Coolant flow channel; 6. Tool holder; 7. Sliding adjustment mechanism; 71. Piston rod; 72. First adjusting bolt; 8. Blade; 9. First fixing bolt; 10. Blind hole; 11. Second fixing bolt; 12. Guide strip; 13. Guide chute; 14. Relief groove; 15. Second end; 16. Second adjusting bolt. Specific implementation manner

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0030] Please refer to Figures 1-4 , the present invention provides a technical solution: an adjustable multi-channel precision boring tool, including:

[0031] A tool bit 1, which has a rotary body structure. A liquid storage chamber 2 is arranged inside the tool bit 1. A plurality of spray holes 3 communicating with the liquid storage chamber 2 are opened on the side wall of the tool bit 1. A coolant flow channel 5 communicating with the liquid storage chamber 2 is opened at the first end 4 of the tool bit 1;

[0032] A tool holder 6, which is located on one side of the tool bit 1, and the tool holder 6 is connected to the tool bit 1 through a sliding adjustment mechanism 7;

[0033] A blade 8, which is connected to the tool holder 6 through a first fixing bolt 9;

[0034] The plurality of spray holes 3 are aligned with the blade 8 to ensure timely and effective cooling at the blade 8, ensure the stability of processing, and improve the processing quality;

[0035] The coolant flow channel 5 is a round hole, and the axis of the coolant flow channel 5 coincides with the axis of the tool bit 1. When the tool bit 1 rotates for processing, the coolant can be continuously and stably supplied to the liquid storage chamber 2 through the coolant flow channel 5;

[0036] The sliding adjustment mechanism 7 includes a piston column 71 and a first adjustment bolt 72. The piston column 71 is slidably connected in a blind hole 10 on the tool head 1. The tool holder 6 is connected to the end of the piston column 71 through a second fixing bolt 11. The first adjustment bolt 72 is hinged on the tool head 1, and the end of the first adjustment bolt 72 is screwed to the piston column 71. A plurality of guide sliding strips 12 are provided on the side wall of the piston column 71, and a plurality of guide sliding grooves 13 are opened on the inner wall of the blind hole 10. The plurality of guide sliding strips 12 are engaged in the plurality of guide sliding grooves 13. By turning the first adjustment bolt 72, the guide sliding groove 13 has a limiting and guiding effect on the guide sliding groove 13, so that the screwing action of the first adjustment bolt 72 and the piston column 71 is converted into a linear motion of the piston column 71 in the blind hole 10, thereby adjusting the positions of the tool holder 6 and the cutting blade 8 to meet the flexible use requirements of the precision boring tool;

[0037] The blind hole 10 is communicated with the coolant flow channel 5. An avoidance groove 14 penetrating through the piston column 71 is provided on the piston column 71, and the avoidance groove 14 is communicated with the coolant flow channel 5 to ensure that the coolant can smoothly enter the liquid storage chamber 2 from the coolant flow channel 5;

[0038] A plurality of second adjustment bolts 16 matching the coolant flow channel 5 are screwed on the second end 15 of the tool head 1. The end of the second adjustment bolt 16 extends into the corresponding spray hole 3. By turning the second adjustment bolt 16, the length of the second adjustment bolt 16 extending into the spray hole 3 can be controlled, so as to facilitate adjusting the liquid flow rate sprayed from the spray hole 3.

[0039] Working principle: First, connect the coolant supply pipeline to the coolant flow channel 5, and install the first end 4 of the tool head 1 on the guide rod to prepare for boring processing. Secondly, the sliding adjustment mechanism 7 provided on the tool head 1 adjusts the position of the tool holder 6, and then adjusts the position of the cutting blade 8 to meet the adjustable use requirements of the precision boring tool, that is, by turning the first adjustment bolt 72, the guide sliding groove 13 has a limiting and guiding effect on the guide sliding groove 13, so that the screwing action of the first adjustment bolt 72 and the piston column 71 is converted into a linear motion of the piston column 71 in the blind hole 10, thereby adjusting the positions of the tool holder 6 and the cutting blade 8 to meet the flexible use requirements of the precision boring tool. Then, on this premise, a coolant flow channel 5, a liquid storage chamber 2 and a spray hole 3 are provided inside the tool head 1. The pressurized coolant is released at the spray hole 3 after passing through the coolant flow channel 5 and the liquid storage chamber 2, so that the tool head 1 can also supply coolant to the processing area of the cutting blade 8 during rotary processing, so that the boring tool and the workpiece are quickly cooled, thereby ensuring the processing quality. Finally, if the flow rate of the spray hole 3 needs to be adjusted, turn the second adjustment bolt 16 to control the length of the second adjustment bolt 16 extending into the spray hole 3, so as to facilitate adjusting the liquid flow rate sprayed from the spray hole 3.

[0040] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. An adjustable multi-channel precision boring tool, characterized in that: Comprising: A cutter head (1), which has a rotary body structure. A liquid storage chamber (2) is arranged inside the cutter head (1). A plurality of spray holes (3) communicating with the liquid storage chamber (2) are formed on the side wall of the cutter head (1). A coolant flow channel (5) communicating with the liquid storage chamber (2) is formed at the first end (4) of the cutter head (1). A tool holder (6), which is located on one side of the cutter head (1), and the tool holder (6) is connected to the cutter head (1) through a sliding adjustment mechanism (7). A blade (8), which is connected to the tool holder (6) through a first fixing bolt (9).

2. The adjustable multi-channel precision boring tool according to claim 1, wherein, A plurality of the spray holes (3) are aligned with the blade (8).

3. The adjustable multi-channel precision boring tool according to claim 2, wherein The coolant flow channel (5) is a round hole, and the axis of the coolant flow channel (5) coincides with the axis of the cutter head (1).

4. The adjustable multi-channel precision boring tool according to claim 3, wherein, The sliding adjustment mechanism (7) includes a piston column (71) and a first adjustment bolt (72). The piston column (71) is slidably connected in a blind hole (10) on the cutter head (1). The tool holder (6) is connected to the end of the piston column (71) through a second fixing bolt (11). The first adjustment bolt (72) is hinged on the cutter head (1), and the end of the first adjustment bolt (72) is screwed to the piston column (71). A plurality of guide sliding strips (12) are arranged on the side wall of the piston column (71), and a plurality of guide sliding grooves (13) are formed on the inner wall of the blind hole (10). A plurality of the guide sliding strips (12) are snapped into a plurality of the guide sliding grooves (13).

5. The adjustable multi-channel precision boring tool according to claim 4, wherein The blind hole (10) communicates with the coolant flow channel (5). An avoidance groove (14) penetrating through the piston column (71) is formed on the piston column (71), and the avoidance groove (14) communicates with the coolant flow channel (5).

6. An adjustable multi-channel precision boring tool according to claim 5, characterized in that A plurality of second adjustment bolts (16) matching the coolant flow channel (5) are screwed on the second end (15) of the cutter head (1), and the ends of the second adjustment bolts (16) extend into the corresponding spray holes (3).

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