Split type hard alloy cutter

Abstract

The utility model discloses a split type hard alloy cutter, and belongs to the technical field of alloy cutters. A split type hard alloy cutter comprises a hard alloy cutter body, a rear connecting base and a positioning sleeve, positioning teeth are installed in a penetrating installation opening, and limiting clamping teeth are installed at the front end of the positioning sleeve. The alloy cutter solves the problems that in the actual using process of an existing alloy cutter, the installation structure is complex, a tool needs to be used for operation, and installation and disassembly work is affected, the rear connecting base is screwed into the installation through opening, fixing is conducted through the outer threads and the inner threads, the positioning sleeve is tightly connected with the rear connecting base, and the service life of the alloy cutter is prolonged. The limiting disc is embedded in the outer surface of the penetrating installation opening, the hard alloy cutter body and the positioning sleeve are rapidly connected and fixed, the position of the positioning sleeve is kept stable, the limiting effect is good, long-term use is facilitated, the installation efficiency is improved, disassembly and assembly are convenient, and maintenance and overhaul work on the hard alloy cutter body is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of alloy cutting tools, in particular to a split type hard alloy cutting tool. Background Art

[0002] The cutting tools used in mechanical manufacturing are basically used to cut metal materials, so the cutting tools are generally understood as metal cutting tools. In order to increase the strength of the cutting tools, tungsten steel carbide is used to prepare the cutting tools. At the same time, when the cutting tools are used, they are produced in an integrated molding manner. At the same time, after being clamped on the lathe, when the cutting tools are worn and damaged during use, the entire cutting tool needs to be replaced.

[0003] A Chinese patent with announcement number CN220216766U discloses a split tungsten steel carbide tool, including a tool body. The split tungsten steel carbide tool is obtained by sleeve-fitting an outer shell onto the outside of the tool shell, and then installing a positioning cross bar inside the side of the shell. The positioning cross bar is clamped inside the side positioning slide groove, and the positioning cross bar drives the outer shell, the tool shell and the rear connecting seat to perform splicing and limiting processing. When the outer shell rotates, the outer shell drives the tool body to rotate synchronously, that is, when the split tool is installed and used, the problem of shaking of the tool after installation is avoided.

[0004] In actual use, the alloy tool of the above patent has a complex installation structure and requires the use of tools for operation, which affects the installation and disassembly work. Utility Model Content

[0005] The utility model aims to provide a split carbide tool, which solves the problem that the alloy tool proposed in the above background technology has a complex installation structure during actual use and requires tools to operate, which affects installation and disassembly work.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a split carbide tool, comprising a carbide tool body, a rear connecting seat and a positioning sleeve, the rear connecting seat being arranged in the middle of the interior of the carbide tool body, the positioning sleeve being installed in the interior of the rear connecting seat, the interior of the carbide tool body being provided with an integrally formed through-mounting opening, the interior of the through-mounting opening being provided with positioning teeth, the front end of the positioning sleeve being provided with limiting teeth, the positioning sleeve being engaged with the carbide tool body through the limiting teeth and the positioning teeth, and the rear connecting seat extending to the interior of the positioning sleeve and engaging with the positioning sleeve.

[0007] Preferably, a plurality of the positioning teeth are provided, and the plurality of the positioning teeth are all welded to the cemented carbide tool body.

[0008] Preferably, the positioning sleeve passes through the installation opening and is slidably connected to the carbide tool body, and the rear connecting seat passes through the installation opening and is slidably connected to the carbide tool body.

[0009] Preferably, a limiting plate is provided at one end of the rear connecting seat, the diameter of the limiting plate is larger than the diameter of the through-mounting opening, the limiting plate is welded to the rear connecting seat, an integrally formed mounting opening is provided inside the positioning sleeve, and the limiting plate is embedded in the mounting opening and engages with the carbide tool body and the positioning sleeve respectively.

[0010] Preferably, a limiting sleeve is arranged inside the positioning sleeve, an integrally formed internal thread is arranged inside the limiting sleeve, an external thread is arranged on the outer surface of the rear connecting seat, and the rear connecting seat extends to the inside of the limiting sleeve and is threadedly connected to the limiting sleeve.

[0011] Preferably, an integrally formed weight-reducing opening is provided inside the rear connecting seat, and a fastening groove is installed at the rear end of the rear connecting seat, and the fastening groove is used for connecting to the grinder.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can quickly position the positioning sleeve and the carbide tool body by installing and inserting the positioning sleeve inside the through-installation opening of the carbide tool body during the installation process, and the limiting clamping teeth at the lower end of the positioning sleeve are embedded in the positioning teeth inside the through-installation opening, so that the positioning sleeve and the carbide tool body can be quickly positioned, and the rear connecting seat is screwed into the installation through-opening and fixed by external threads and internal threads, so that the positioning sleeve is tightly connected to the rear connecting seat, and the limiting disk is embedded in the outer surface of the through-installation opening, so that the carbide tool body and the positioning sleeve are quickly connected and fixed, and the position of the positioning sleeve is kept stable, the limiting effect is good, it is conducive to long-term use, the installation efficiency is improved, the disassembly and assembly are convenient, and the maintenance and repair of the carbide tool body are convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is an axonometric view of the front view of the utility model;

[0015] Figure 2 It is an axonometric view of the rear view of the utility model;

[0016] Figure 3 It is an axonometric view of the utility model after disassembly from the front;

[0017] Figure 4 It is an axonometric drawing of the utility model after disassembly from the rear.

[0018] In the figure: 1. Carbide tool body; 101. Through-mounting opening; 102. Positioning teeth; 2. Rear connecting seat; 201. Limiting plate; 202. Weight-reducing opening; 203. Fastening groove; 204. External thread; 3. Positioning sleeve; 301. Limiting sleeve; 302. Internal thread; 303. Mounting opening; 304. Limiting teeth. DETAILED DESCRIPTION

[0019] 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.

[0020] In order to solve the problem that the existing alloy cutting tools have complex installation structures and require tools to operate, which affects the installation and disassembly work, please refer to Figure 1 - Figure 4 , this embodiment provides the following technical solutions:

[0021] A split carbide tool comprises a carbide tool body 1, a rear connecting seat 2 and a positioning sleeve 3. The rear connecting seat 2 is arranged in the middle of the interior of the carbide tool body 1, and the positioning sleeve 3 is installed in the interior of the rear connecting seat 2. An integrally formed through-mounting opening 101 is arranged inside the carbide tool body 1. The positioning sleeve 3 is installed and inserted into the through-mounting opening 101 of the carbide tool body 1, and the limiting clamping teeth 304 at the lower end of the positioning sleeve 3 are embedded in the positioning teeth 102 inside the through-mounting opening 101, so as to quickly position the positioning sleeve 3 and the carbide tool body 1, and the rear connecting seat 2 is screwed into the interior of the installation through-mounting opening 303, and the positioning teeth 102 are installed inside the through-mounting opening 101. The front end of the positioning sleeve 3 is installed with the limiting clamping teeth 304, and the positioning sleeve 3 is engaged with the carbide tool body 1 through the limiting clamping teeth 304 and the positioning teeth 102, and the rear connecting seat 2 extends to the interior of the positioning sleeve 3 and is engaged with the positioning sleeve 3.

[0022] In this embodiment, a plurality of positioning teeth 102 are provided, and the plurality of positioning teeth 102 are all welded to the cemented carbide tool body 1 , which facilitates the fixing and installation work and has a good positioning effect.

[0023] Specifically, by installing and inserting the positioning sleeve 3 inside the through-mounting opening 101 of the cemented carbide tool body 1, the limiting tooth 304 at the lower end of the positioning sleeve 3 is embedded in the positioning tooth 102 inside the through-mounting opening 101, so as to quickly position the positioning sleeve 3 and the cemented carbide tool body 1, and screw into the mounting opening 303 through the rear connecting seat 2.

[0024] In order to solve the problem of poor installation connection and stability of existing alloy cutting tools in actual use, please refer to Figure 1 - Figure 4 , this embodiment provides the following technical solutions:

[0025] In this embodiment, a limiting disk 201 is provided at one end of the rear connecting seat 2. The diameter of the limiting disk 201 is larger than the diameter of the through-mounting opening 101. The limiting disk 201 is welded to the rear connecting seat 2. An integrally formed mounting opening 303 is provided inside the positioning sleeve 3. The limiting disk 201 is embedded in the mounting opening 303 and respectively engages with the carbide tool body 1 and the positioning sleeve 3. The limiting disk 201 is engaged with the outer surface of the through-mounting opening 101 to quickly connect and fix the carbide tool body 1 and the positioning sleeve 3, thereby keeping the position of the positioning sleeve 3 stable, achieving a good limiting effect, and being conducive to long-term use.

[0026] Specifically, a limiting sleeve 301 is arranged inside the positioning sleeve 3, and an integrally formed internal thread 302 is arranged inside the limiting sleeve 301. An external thread 204 is arranged on the outer surface of the rear connecting seat 2. The rear connecting seat 2 extends to the interior of the limiting sleeve 301 and is threadedly connected to the limiting sleeve 301, and is fixed by the external thread 204 and the internal thread 302, so that the positioning sleeve 3 is tightly connected to the rear connecting seat 2, which improves the installation efficiency, facilitates disassembly and assembly, and facilitates maintenance and repair of the cemented carbide tool body 1.

[0027] In this embodiment, the positioning sleeve 3 passes through the installation port 101 and is slidably connected to the carbide tool body 1, and the rear connecting seat 2 passes through the installation port 101 and is slidably connected to the carbide tool body 1. The interior of the rear connecting seat 2 is provided with an integrally formed weight-reducing opening 202, which reduces the overall weight of the tool and facilitates installation. The rear end of the rear connecting seat 2 is installed with a fastening groove 203, which is used to connect to the grinder, and has good positioning effect and good stability.

[0028] Specifically, the external thread 204 and the internal thread 302 are used for fixing, so that the positioning sleeve 3 is tightly connected to the rear connecting seat 2, which improves the installation efficiency, facilitates disassembly and assembly, and facilitates the maintenance and inspection of the cemented carbide tool body 1. The limiting plate 201 is embedded in the outer surface of the through-mounting port 101 to quickly connect and fix the cemented carbide tool body 1 and the positioning sleeve 3, keeping the position of the positioning sleeve 3 stable, and having a good limiting effect, which is conducive to long-term use, good positioning effect, and good stability.

[0029] Working principle: When in use, the positioning sleeve 3 is installed and inserted into the through-mounting port 101 of the cemented carbide tool body 1, and the limiting tooth 304 at the lower end of the positioning sleeve 3 is embedded in the positioning tooth 102 inside the through-mounting port 101, so as to quickly position the positioning sleeve 3 and the cemented carbide tool body 1, and screw it into the installation port 303 through the rear connecting seat 2, and fix it through the external thread 204 and the internal thread 302, so that the positioning sleeve 3 is tightly connected to the rear connecting seat 2, and is embedded in the outer surface of the through-mounting port 101 through the limiting disk 201, so as to quickly connect and fix the cemented carbide tool body 1 and the positioning sleeve 3, keep the position of the positioning sleeve 3 stable, and have a good limiting effect, and reduce the overall weight of the tool through the weight-reducing port 202, so as to facilitate installation work, be conducive to long-term use, improve installation efficiency, facilitate disassembly and assembly, and facilitate maintenance and repair of the cemented carbide tool body 1.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A split carbide tool, comprising a carbide tool body (1), a rear connecting seat (2) and a positioning sleeve (3), characterized in that: The rear connecting seat (2) is arranged in the middle of the interior of the cemented carbide tool body (1), the positioning sleeve (3) is installed in the interior of the rear connecting seat (2), the interior of the cemented carbide tool body (1) is provided with an integrally formed through-mounting opening (101), the interior of the through-mounting opening (101) is provided with a positioning tooth (102), the front end of the positioning sleeve (3) is provided with a limiting clamping tooth (304), the positioning sleeve (3) is engaged with the cemented carbide tool body (1) via the limiting clamping tooth (304) and the positioning tooth (102), and the rear connecting seat (2) extends to the interior of the positioning sleeve (3) and is engaged with the positioning sleeve (3).

2. A split carbide tool according to claim 1, characterized in that: A plurality of positioning teeth (102) are provided, and the plurality of positioning teeth (102) are all welded to the cemented carbide tool body (1).

3. A split carbide tool according to claim 1, characterized in that: The positioning sleeve (3) penetrates through the installation opening (101) and is slidably connected to the carbide tool body (1), and the rear connecting seat (2) penetrates through the installation opening (101) and is slidably connected to the carbide tool body (1).

4. The split carbide tool according to claim 1, characterized in that: A limiting disk (201) is provided at one end of the rear connecting seat (2), the diameter of the limiting disk (201) being larger than the diameter of the through-mounting opening (101), the limiting disk (201) being welded to the rear connecting seat (2), the interior of the positioning sleeve (3) being provided with an integrally formed mounting opening (303), the limiting disk (201) being embedded in the mounting opening (303) and respectively engaging with the carbide tool body (1) and the positioning sleeve (3).

5. The split carbide tool according to claim 1, characterized in that: A limiting sleeve (301) is arranged inside the positioning sleeve (3), an integrally formed internal thread (302) is arranged inside the limiting sleeve (301), an external thread (204) is arranged on the outer surface of the rear connecting seat (2), and the rear connecting seat (2) extends to the inside of the limiting sleeve (301) and is threadedly connected to the limiting sleeve (301).

6. The split carbide tool according to claim 1, characterized in that: An integrally formed weight-reducing opening (202) is provided inside the rear connecting seat (2), and a fastening groove (203) is installed at the rear end of the rear connecting seat (2), wherein the fastening groove (203) is used for connecting to a grinding machine.

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