High-strength hole boring cutter
By designing the inclined mounting hole and internal cooling hole structure of the high-strength boring tool, and combining it with hard tool steel material, the problem of insufficient strength of the boring tool caused by welding at high temperature was solved, and efficient processing and high-precision boring processing effect were achieved.
Patent Information
- Application Number
- CN202423102773.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-16
Smart Images
Figure CN223518661U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machine clamp sword technical field, concretely is a high strength boring tool. BACKGROUND
[0002] In recent years along with the development of domestic number industry, make the appearance of domestic manufacturing industry has changed greatly, however along with the development of science and technology and advent of many new materials, whether aerospace or new energy electron, have had qualitative leap in development, also greatly changed people's way of life, for example, we ride high-speed rail in real life more and more fast, the computer we use is more and more thin, this is actually also the result of the development of science and technology, because now research and development than before better material, can process than before more precise parts, although our country has made great progress in industrial field in recent years, but still faces major challenges in the field of machining, as an important part of processing system, face the upgrading of science and technology and advent of new materials, in the correct design and reasonable use of automatic machining tool, the normal work of machine tool and automation, improve production efficiency and processing quality more important, a qualified tool will create higher efficiency for enterprise, and better product quality, realize part processing cost control and higher profit benefit. Even improve the reputation of company and market competitiveness a qualified tool in addition to price cost, processing life and service performance, more important is to have reasonable material selection and reasonable mechanical structure.
[0003] The existing boring tool can cause metallic ability and hardness to drop due to welding high temperature when being used, so that the damaged tool needs to be frequently replaced, thereby reducing production efficiency, and the conventional machine clamp tool can cause damage to the blade when the clamping force is slightly too large or the stress distribution is slightly uneven during clamping due to insufficient strength of the tool body matrix, and even crush the blade, the tool groove is easy to deform under the influence of cutting resistance or impact force for a long time in the daily machining process, thereby affecting tool precision and machining surface quality, therefore, we provide a high strength boring tool. CONTENT OF UTILITY MODEL
[0004] The utility model is directed to provide a high strength boring tool.
[0005] To achieve the above object, the utility model provides the following technical scheme: A high strength boring tool, including base body, the inside of top side of base body is equipped with mounting hole, the inside threaded connection of mounting hole has installation base, the left end of installation base is rotatably connected with alloy adapter, the left side outside of installation base is provided with tool bit, the side of middle part of base body is provided with blade adjusting block, the right side threaded connection of blade adjusting block has locking stud no.
[0006] As a further scheme of the utility model: The outside of tool bit is threaded connection with three positioning studs, the positioning stud is threaded connection with base body, three positioning studs are arranged in triangle.
[0007] As a further scheme of the utility model: The inside of top side end of base body is equipped with chip flute, and the inlet end of chip flute is below installation base.
[0008] As a further scheme of the utility model: The bottom side of base body is equipped with internal cooling hole at one end, and the internal cooling hole is communicated with chip flute.
[0009] As a further scheme of the utility model: The whole installation hole is inclined, and the top end of base body is inclined to the left.
[0010] As a further scheme of the utility model: The chip groove fixed block and the tool bit are embedded with hard tool steel.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1, the tool is multi-purpose, reduces the time of changing tool and secondary clamping, improves production efficiency and saves processing cost, the tool bar can be reused, the tool durability is improved, the service life is longer, the tool changing time is shortened, and the production efficiency is improved.
[0013] 2, the utility model is inclined through the installation hole, so that the tool bit is inclined as a whole, the tool body support is changed, compared with the straight cylindrical tool body, the strength and stability are obviously improved, the tool impact resistance is strong, and it is more convenient to remove the chip, effectively avoids the situation that the cutting chip scratches the hole wall and damages the cutting edge, and ensures the machining surface quality.
[0014] The other advantages, objects, and features of the present application will be apparent in the following detailed description of the application, and will be apparent to those skilled in the art, based on the teachings of the description, or will be learned from the practice of the application. It is intended that all such additional advantages and features be included within the scope of the present application, and protected by the accompanying claims. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is an overall schematic diagram in the embodiment of the present application.
[0016] Figure 2 It is an installation hole position schematic diagram in the embodiment of the present application.
[0017] Figure 3 It is an overall explosion schematic diagram in the embodiment of the present application.
[0018] In the figure: 1, base body; 2, mounting hole; 3, alloy adapter; 4, positioning stud; 5, blade adjusting block; 6, blade groove fixing block; 7, blade particle; 8, locking stud one; 9, locking stud two; 10, annular adjusting sliding block; 11, locking stud three; 12, tool bit; 13, mounting seat. DETAILED DESCRIPTION
[0019] The specific embodiments of the present application will be further described below with reference to the accompanying drawings, and it should be noted that the description of these embodiments is used to help understand the present application, but does not constitute a limitation on the present application.
[0020] In addition, the technical features involved in each of the embodiments of the present application described below can be combined with each other as long as there is no conflict between them.
[0021] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 3 The utility model discloses a high strength boring tool, including base body 1, the inside of the top side of base body 1 is seted up with mounting hole 2, the inside screw thread connection of mounting hole 2 has mounting seat 13, the left end of mounting seat 13 is rotatably connected with alloy adapter 3, the left side of mounting seat 13 is provided with tool bit 12, the one side of the middle part of base body 1 is provided with blade adjusting block 5, the right side screw thread connection of blade adjusting block 5 has locking stud two 9, the inside bottom of blade adjusting block 5 is provided with blade groove fixing block 6, the left side of blade groove fixing block 6 is provided with blade particle 7, the left end screw thread connection of blade adjusting block 5 has locking stud one 8, the right side of blade adjusting block 5 is provided with annular adjusting sliding block 10, the inside screw thread connection of annular adjusting sliding block 10 has locking stud three 11, the whole mounting hole 2 is inclined and sets up, the top end of base body 1 is inclined and sets up to the left, blade groove fixing block 6 adopts and tool bit 12 adopts hard tool steel and is embedded and sets up.
[0022] Specifically, the installation hole 2 is inclined, so that the cutter head 12 is inclined as a whole, the support of the cutter body is increased, the strength and stability are obviously improved compared with the straight cylindrical cutter body, the cutter has strong impact resistance, and it is more convenient to remove chips, and the performance of the cutter is fully played through reasonable mechanical structure and material properties.
[0023] In embodiment one, the outer side of the cutter head 12 is threadedly connected with three positioning studs 4, the positioning studs 4 are threadedly connected with the base body 1, and the three positioning studs 4 are arranged in a triangular shape.
[0024] Specifically, the front end cutter head 12 adopts a spiral structure, is closely combined with the base body 1, and is triangularly positioned by the three positioning studs 4 on the outer side, so that the cutting edge is ensured to be on the central plane during each clamping, and the radial dimension of the cutter is increased by one pitch unit of the thread when the alloy adapter 3 is rotated one round during installation and adjustment.
[0025] In embodiment two, a chip removal groove is formed in the top side of the base body 1, the inlet end of the chip removal groove is located below the mounting seat 13, and an internal cooling hole is formed in the bottom side of the base body 1, and the internal cooling hole is in communication with the chip removal groove.
[0026] Specifically, during the machining process, the cutter has certain radial movement and the direction of boring machining chips, and due to the space limitation during hole machining, the cutting chips are scattered to the hole wall and wound or attached to the cutter body under the action of centrifugal force, the inclined structure of the cutter body increases the radial direction of the chip removal space, and the use of cutting fluid or compressed air in the internal cooling hole can quickly and smoothly remove the cutting chips, effectively avoids the scratch of the hole wall and the damage of the cutting edge, and ensures the machining surface quality.
[0027] Working principle:
[0028] Through the inclined setting of the mounting hole 2, the cutter head 12 is inclined as a whole, the support of the cutter body is increased, the strength and stability are obviously improved compared with the straight cylindrical cutter body, the cutter has strong impact resistance, and it is more convenient to remove chips, during the machining process, the cutter has a certain radial movement and the direction of the boring machining chip removal, due to the space limitation during the hole machining process, the cutting chips will fly to the surrounding hole wall under the action of centrifugal force or be wound or attached on the cutter body, and the inclined structure of the cutter body will increase the radial direction of the chip removal space, and the cutting fluid or compressed air used in the inner cooling hole can quickly and smoothly remove the cutting chips, effectively avoiding the scratch of the hole wall and the damage of the cutting edge, ensuring the machining surface quality, in addition, the front and rear ends of the cutter are embedded with hard tool steel structure, which greatly enhances the overall strength of the cutter, for a given inner hole machining condition (workpiece shape, size, clamping method, etc.), the size and direction of the cutting force are important factors to suppress the inner hole turning vibration and improve the machining quality, when the cutter is cutting, the tangential cutting force t and the radial cutting force r make the cutter produce deflection phenomenon, slowly make the cutter away from the workpiece, cause the cutting force to deviate the tangential force to try to forcibly press down the cutter, and make the cutter away from the center line, reduce the relief angle of the cutter, when turning a small diameter hole, a large enough relief angle is required to avoid interference between the cutter and the hole wall, during the machining period, the radial and tangential cutting forces cause the inner hole cutter to deflect, causing vibration, the rear cutting edge also adopts a hard tool steel embedded structure, which fully utilizes the performance of the cutter through reasonable mechanical structure and material properties, the hard tool steel fixing piece is embedded in the cutter adjusting block 5 to maximize the contact area between the two and achieve fastening effect through locking force, the front cutter head 12 adopts a spiral structure, which is tightly combined with the base body 1, and the outside is triangularly positioned by three positioning studs 4 to ensure that the cutting edge is on the center plane during each clamping, the alloy adapter 3 increases the radial size of the cutter by one pitch unit of the thread when it rotates one revolution during the installation and adjustment of the cutter, the cutter can be debugged according to the actual machining requirements, and the specification of the thread can be predetermined according to different accuracy requirements to meet the machining requirements, thus the whole working process is completed.
[0029] The above front, rear, left, right, up and down are based on the drawings of the specification Figure 1 , according to the standard of the human observation angle, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and so on.
[0030] In the description of the utility model, need understanding is, the orientation or position relation that the terms "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a particular orientation, is constructed and operated with a particular orientation, therefore can not be understood as the limitation to the protection scope of the utility model.
[0031] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the described embodiments.
[0032] For those skilled in the art, various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and still fall within the protection scope of the utility model.
Claims
1. A high-strength boring tool comprising a base body (1), characterized in that: The inside of the top side of the base body (1) is provided with a mounting hole (2), the inside of the mounting hole (2) is threadedly connected with a mounting seat (13), the left end of the mounting seat (13) is rotatably connected with an alloy adapter (3), the left end outside of the mounting seat (13) is provided with a tool bit (12), one side of the middle part of the base body (1) is provided with a blade adjusting block (5), the right side of the blade adjusting block (5) is threadedly connected with a locking stud two (9), the inside bottom of the blade adjusting block (5) is provided with a blade groove fixing block (6), the left side of the blade groove fixing block (6) is provided with a blade particle (7), the left end of the blade adjusting block (5) is threadedly connected with a locking stud one (8), the right side of the blade adjusting block (5) is provided with an annular adjusting sliding block (10), the inside of the annular adjusting sliding block (10) is threadedly connected with a locking stud three (11).
2. A high strength boring tool according to claim 1, characterized in that: The outside of the tool bit (12) is threadedly connected with three positioning studs (4), the positioning studs (4) are threadedly connected with the base body (1), and the three positioning studs (4) are arranged in a triangular shape.
3. A high strength boring tool according to claim 1, wherein: The inside of the top side end of the base body (1) is provided with a chip groove, and the inlet end of the chip groove is located below the mounting seat (13).
4. The high strength boring tool of claim 1, wherein: The bottom side of the base body (1) is provided with an inner cooling hole, and the inner cooling hole is in communication with the chip groove.
5. The high strength boring tool of claim 1, wherein: The mounting hole (2) is inclined as a whole, and the top end of the base body (1) is inclined to the left.
6. A high strength boring tool according to claim 1, wherein: The blade groove fixing block (6) and the tool bit (12) are embedded with hard tool steel.