Efficient adjustable inner-cooling reaming tool

Abstract

The utility model discloses an efficient adjustable inner-cooling reaming cutter which comprises a hard alloy sheet and a hard alloy cutter bar, one end of the hard alloy cutter bar is provided with a threaded connector, the inside of the threaded connector is in threaded connection with a conical positioning column, one end of the conical positioning column is fixedly connected with a steel base body, and the other end of the conical positioning column is fixedly connected with the hard alloy sheet. A hard alloy piece is arranged in the steel base body in a telescopic mode, a lateral water outlet groove is formed in the outer side of the hard alloy piece, a threaded hole is formed in one end of the interior of the steel base body, the interior of the threaded hole is in threaded connection with a special conical opening bolt, and the special conical opening bolt is matched with the hard alloy piece in an abutting mode. By arranging the center water outlet channel and the lateral water outlet grooves, water flows through the center water outlet channel in the drilling process and flows into the corresponding lateral water outlet grooves to be discharged, the drilling high temperature of the hard alloy sheet is reduced, and the using effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-efficiency adjustable reamers, in particular to a high-efficiency adjustable internally cooled reaming tool. Background Art

[0002] A reamer is a rotary tool with one or more teeth used to remove a thin layer of metal from the surface of a machined hole. A reamer is a rotary finishing tool with a straight or spiral edge used for expanding or repairing holes.

[0003] The reamer in the prior art can complete the hole expansion operation when in use, but the blade will wear out after a certain period of use, so the cutter head needs to be frequently replaced, which affects the processing efficiency. At the same time, the tool generates high temperature during the hole expansion process. If it is not cooled by water in time, the tool will be damaged. The traditional method uses manual operation, which is less convenient and inconvenient to operate. Utility Model Content

[0004] The utility model aims to provide a highly efficient and adjustable internally cooled reaming tool, which can circulate water from a central water outlet channel to the inside of a corresponding lateral water outlet trough during the drilling process, thereby achieving a cooling operation on the high temperature of the drilling of a cemented carbide sheet.

[0005] To achieve the above-mentioned purpose, a high-efficiency adjustable internally cooled reaming tool is provided, comprising: a carbide sheet and a carbide arbor, a threaded interface is provided at one end of the carbide arbor, a tapered positioning column is connected to the internal thread of the threaded interface, a steel base is fixedly connected to one end of the tapered positioning column, a carbide sheet is telescopically arranged inside the steel base, a lateral water outlet groove is provided on the outer side of the carbide sheet, a threaded hole is provided at one end of the interior of the steel base, a special tapered-mouth bolt is connected to the internal thread of the threaded hole, and the special tapered-mouth bolt and the carbide sheet are in abutment with each other.

[0006] According to the described high-efficiency adjustable internally-cooled reaming tool, a central water outlet channel is provided in the interior of the described carbide tool bar, and the central water outlet channel and the end of the lateral water outlet groove cooperate to circulate.

[0007] According to the high-efficiency adjustable internally-cooled reaming tool, a chip removal groove is provided on the other side of the cemented carbide sheet.

[0008] According to the highly efficient adjustable internally-cooled reaming tool, process flattening positions are provided on both sides of one end of the steel substrate.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] 1. The utility model is provided with a central water outlet channel and a lateral water outlet groove. During the drilling process, the central water outlet channel circulates the water source and circulates it to the inside of the corresponding lateral water outlet groove to complete the discharge, thereby realizing a cooling operation on the high temperature of the drilling of the cemented carbide sheet and improving the use effect.

[0011] 2. The utility model is provided with a special conical mouth bolt, through the rotation of the special conical mouth bolt, the conical thread is moved to expand the size, so as to achieve the ability to fine-tune the tool diameter, greatly increase the use time of the tool and make the adjustment process more convenient.

[0012] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 This is a front cross-sectional view of a high-efficiency adjustable internally-cooled reaming tool according to the utility model;

[0015] Figure 2 This is a disassembled diagram of a special tapered-mouth bolt of a high-efficiency adjustable internally-cooled reaming tool of the utility model;

[0016] Figure 3 It is a side view of a high-efficiency adjustable internally-cooled reaming tool of the utility model.

[0017] In the figure: 1. Carbide sheet; 2. Steel base; 3. Chip groove; 4. Central water outlet channel; 5. Lateral water outlet groove; 6. Special tapered mouth bolt; 7. Tapered positioning column; 8. Threaded interface; 9. Process flat position; 10. Carbide tool holder. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present utility model; the terms "first", "second" and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0020] See also Figure 1-3 The utility model provides a technical solution: a high-efficiency adjustable internal cooling reaming tool, which includes: a cemented carbide sheet 1 and a cemented carbide tool bar 10, one end of the cemented carbide tool bar 10 is provided with a threaded interface 8, the inner thread of the threaded interface 8 is connected with a conical positioning column 7, and the threaded connection is realized through the end of the conical positioning column 7 of the steel base 2 and the threaded interface 8, so as to achieve the function of thread fixing and convenient disassembly and replacement, one end of the conical positioning column 7 is fixedly connected with the steel base 2, and the interior of the steel base 2 is telescopically provided with a cemented carbide sheet 1, and the cemented carbide is adjusted by the driving device The tool rod 10 is driven, and the carbide sheet 1 completes the drilling operation on the steel. A lateral water outlet 5 is provided on the outer side of the carbide sheet 1, and a threaded hole is provided at one end of the inner part of the steel base 2. The inner thread of the threaded hole is connected with a special tapered bolt 6. When the carbide sheet 1 is worn after use, the special tapered bolt 6 can be rotated to expand the size of the tapered bolt, thereby achieving the ability to fine-tune the tool diameter, which greatly increases the use time of the tool and makes the adjustment process more convenient. The special tapered bolt 6 and the carbide sheet 1 are in contact with each other.

[0021] A central water outlet channel 4 is opened in the middle of the interior of the cemented carbide tool rod 10. The central water outlet channel 4 circulates water from the central water outlet channel 4 and circulates it to the inside of the corresponding lateral water outlet groove 5 to complete the discharge, thereby cooling the high temperature of drilling of the cemented carbide sheet 1 and improving the use effect. The central water outlet channel 4 and the end of the lateral water outlet groove 5 cooperate to circulate. A chip discharge groove 3 is set on the other side of the cemented carbide sheet 1. The steel chips are discharged through the chip discharge groove 3. Process flat positions 9 are opened on both sides of one end of the steel base 2, and the disassembly operation is performed through the process flat position 9 using a wrench and other structures.

[0022] Working principle: When in use, threaded connection is achieved through the tapered positioning column 7 at the end of the steel base 2 and the threaded interface 8 to achieve threaded fixation, and then the carbide tool rod 10 is driven by the driving device. At this time, the carbide sheet 1 completes the drilling operation on the steel. During the drilling process, the central water outlet channel 4 circulates the water source and circulates to the inside of the corresponding lateral water outlet trough 5 to complete the discharge, thereby cooling the high temperature of the drilling of the carbide sheet 1 and improving the use effect. When the carbide sheet 1 is worn after use, the special tapered mouth bolt 6 can be rotated to achieve the size expansion of the tapered bolt, thereby achieving the ability to fine-tune the tool diameter, greatly increasing the use time of the tool and making the adjustment process more convenient.

[0023] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-efficiency adjustable internal cooling reaming tool, comprising: A cemented carbide sheet (1) and a cemented carbide arbor (10), characterized in that a threaded interface (8) is provided at one end of the cemented carbide arbor (10), the internal thread of the threaded interface (8) is connected to a conical positioning column (7), one end of the conical positioning column (7) is fixedly connected to a steel base (2), the interior of the steel base (2) is telescopically provided with a cemented carbide sheet (1), the outer side of the cemented carbide sheet (1) is provided with a lateral water outlet groove (5), one end of the interior of the steel base (2) is provided with a threaded hole, the internal thread of the threaded hole is connected to a special conical mouth bolt (6), and the special conical mouth bolt (6) and the cemented carbide sheet (1) are in abutment with each other.

2. A high-efficiency adjustable internal cooling reaming tool as claimed in claim 1, characterized in that: A central water outlet channel (4) is provided in the interior of the hard alloy shank (10), and the central water outlet channel (4) and the end of the lateral water outlet groove (5) are in cooperation for flow.

3. A high-efficiency adjustable internal cooling reaming tool as claimed in claim 1, characterized in that: A chip removal groove (3) is provided on the other side of the cemented carbide sheet (1).

4. A high-efficiency adjustable internal cooling reaming tool as claimed in claim 1, characterized in that: Process flattened positions (9) are provided on both sides of one end of the steel base (2).

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