A boring device that is easy to correct after wear
By designing mechanical chuck and adjusting bolt structures in the boring device, the problem of larger gaps caused by boring tool vibration is solved, the stable installation and machining stability of boring tool is achieved, and the service life of the tool is extended.
Patent Information
- Application Number
- CN202110677092.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-06-18
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2041-06-18
AI Technical Summary
In high-speed boring processing, vibration of the boring tool causes the gap between the tool holder and tool clip installation to become larger, causing greater vibration, which may lead to tool damage.
A boring device including tool holder, boring tool cutting assembly and boring tool correction assembly is designed. Through structures such as mechanical chuck, fixing bolts, clamps and adjustment bolts, the claws on the mechanical chuck are adjusted by a hexagonal wrench to push the clamps. Tighten the handle to ensure the tool holder is securely installed.
It effectively reduces the vibration of the boring tool during processing, extends the tool usage time, and ensures stable rotation of the machining parts.
Smart Images
Figure CN113333800B_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of boring auxiliary devices, in particular to a boring device which is easy to correct after being worn. Background Art
[0002] Boring tools are essential tools in boring and cutting processes. Commonly used boring tools have round handle structures and are specifically used for rough machining, semi-finishing or finishing of existing holes.
[0003] The boring tool is mainly composed of a cutter head, a tool holder and a tool holder. In high-speed boring processing, the high-speed rotation of the cutter head, the centrifugal force and the imbalance of the cutter head itself may cause large vibrations. Long-term vibrations can easily lead to a larger gap between the tool holder and the tool holder, causing the vibration amplitude of the boring tool itself to become larger during use. In severe cases, the tool may even be damaged during processing. Summary of the invention
[0004] In order to make up for the above shortcomings, the present invention provides a boring device that is easy to correct after wear, aiming to improve the problem that long-term vibration during processing easily leads to an increase in the gap between the tool handle and the tool holder installation, causing greater vibration.
[0005] The present invention is achieved in that:
[0006] The invention provides a boring device which is easy to correct after being worn, comprising a tool handle, a boring tool cutting assembly and a boring tool correcting assembly.
[0007] A mounting hole is provided at the top of the tool handle, a positioning hole and a through hole are respectively provided at the outside of the tool handle, and the positioning hole and the through hole are respectively connected to the mounting hole, a first positioning bolt is provided at the outside of the tool handle, and the rod end of the first positioning bolt is inserted into the positioning hole, the boring tool cutting assembly comprises a tool clamp and a tool head, the tool head is detachably fixedly installed on the top of the tool clamp, and the bottom end of the tool clamp can be inserted into the mounting hole, a first threaded hole and a second threaded hole are respectively provided on one side and the bottom end of the tool clamp, the rod end of the first positioning bolt is screwed into the first threaded hole, the boring tool correction assembly comprises a mechanical chuck, a fixing bolt and a clamp, the mechanical chuck is arranged below the tool clamp, the rod end of the fixing bolt passes through the hole in the middle of the mechanical chuck and is screwed into the second threaded hole, a plurality of clamps are respectively fixedly arranged on the outside of the claws in the mechanical chuck, and the through hole is coaxially arranged with the adjusting bolt on the outside of the mechanical chuck.
[0008] In one embodiment of the present invention, a limiting ring plate is arranged below the mechanical chuck, and the rod end of the fixing bolt movably passes through the limiting ring plate.
[0009] In an embodiment of the present invention, an anti-loosening washer is arranged below the limiting ring plate, and the rod end of the fixing bolt movably passes through the anti-loosening washer.
[0010] In one embodiment of the present invention, the clamping plate is an arc-shaped structure, and the outer wall of the clamping plate is provided with a plurality of groups of equidistant notches.
[0011] In one embodiment of the present invention, a fixing member is installed between the tool holder and the tool head.
[0012] In one embodiment of the present invention, the fixing member includes a second positioning bolt, a countersunk hole is provided on the top of the tool head, a third threaded hole is provided on the top of the tool holder below the countersunk hole, the second positioning bolt is provided inside the countersunk hole, and the second positioning bolt is screwed into the third threaded hole.
[0013] In an embodiment of the present invention, a positioning pin is provided inside the tool holder, and the rod end of the second positioning bolt is connected to the positioning pin.
[0014] In an embodiment of the present invention, a limiting circular hole is provided on one side of the tool holder, and the positioning pin is inserted into the limiting circular hole.
[0015] In an embodiment of the present invention, a fourth threaded hole is formed on the outer side of the positioning pin, and the rod end of the second positioning bolt is threadedly connected to the inside of the fourth threaded hole.
[0016] In one embodiment of the present invention, a slide groove is arranged at the top of the tool holder, a slider is arranged at the bottom of the tool head, and the slider is slidably arranged inside the slide groove.
[0017] The beneficial effects of the present invention are as follows: the present invention obtains a boring device which is easy to correct after wear through the above-mentioned design, and uses a hexagonal wrench to rotate the adjusting bolt on the outside of the mechanical chuck through the through hole, so that the claws on the mechanical chuck push the clamping plate outward to press against the inner wall of the mounting hole on the tool handle. Even if the mounting gap between the tool clamp and the tool handle becomes larger, the tool clamp can be firmly installed on the tool handle after adjustment and correction, so that the tool can rotate more stably when processing parts, thereby extending the tool service life. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0019] Figure 1It is a schematic structural diagram of a boring device that is easy to correct after wear provided by an embodiment of the present invention;
[0020] Figure 2 A schematic diagram of the structure of a knife handle provided in an embodiment of the present invention;
[0021] Figure 3 A schematic diagram of the installation structure of a boring tool cutting assembly and a boring tool correction assembly provided in an embodiment of the present invention;
[0022] Figure 4 A schematic structural diagram of a boring cutter cutting assembly provided in an embodiment of the present invention;
[0023] Figure 5 A schematic diagram of the installation structure of a cutter head and a fixing member provided in an embodiment of the present invention;
[0024] Figure 6 Schematic diagram of the structure of the boring tool correction assembly provided in the embodiment of the present invention Figure 1 ;
[0025] Figure 7 Schematic diagram of the structure of the boring tool correction assembly provided in the embodiment of the present invention Figure 2 .
[0026] In the figure: 10-tool handle; 110-first positioning bolt; 120-mounting hole; 130-positioning hole; 140-through hole; 20-boring tool cutting assembly; 210-tool clamp; 220-tool head; 230-first threaded hole; 240-second threaded hole; 250-fixing piece; 251-second positioning bolt; 252-positioning pin; 260-limiting circular hole; 30-boring tool correction assembly; 310-mechanical chuck; 320-fixing bolt; 330-clamp plate; 340-limiting ring plate; 350-anti-loosening washer; 360-slot. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0033] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0034] Example
[0035] See also Figure 1 and Figure 3The present invention provides a boring device which is easy to correct after wear, comprising a tool handle 10, a boring tool cutting assembly 20 and a boring tool correction assembly 30.
[0036] Among them, the handle 10 and the boring tool cutting assembly 20 are further reinforced and connected by the boring tool correction assembly 30 on the basis of the original positioning bolt installation, and a large gap in the middle can be adjusted and repaired.
[0037] See also Figure 1 and Figure 2 A mounting hole 120 is provided at the top of the knife handle 10, and a positioning hole 130 and a through hole 140 are respectively opened on the outside of the knife handle 10, and the positioning hole 130 and the through hole 140 are respectively connected to the mounting hole 120, and a first positioning bolt 110 is provided on the outside of the knife handle 10, and the rod end of the first positioning bolt 110 is inserted into the positioning hole 130.
[0038] See also Figure 4 The boring tool cutting assembly 20 includes a tool holder 210 and a tool head 220. The tool head 220 is detachably fixedly mounted on the top of the tool holder 210; a slide groove is provided on the top of the tool holder 210, and a slider is provided on the bottom of the tool head 220. The tool head 220 and the slider are integrally formed; and the slider is slidably arranged inside the slide groove; the arrangement of the slider and the slide groove is to facilitate the positioning of the tool head 220 and to stably install it on the top of the tool holder 210. The bottom end of the tool holder 210 can be inserted into the mounting hole 120, and a first threaded hole 230 and a second threaded hole 240 are respectively provided on one side and the bottom end of the tool holder 210, and the rod end of the first positioning bolt 110 is screwed into the first threaded hole 230.
[0039] See also Figure 5 , a fixing member 250 is installed between the tool holder 210 and the cutter head 220. The fixing member 250 includes a second positioning bolt 251, a countersunk hole is provided on the top of the cutter head 220, a third threaded hole is provided on the top of the tool holder 210 below the countersunk hole, the second positioning bolt 251 is provided inside the countersunk hole, and the second positioning bolt 251 is screwed into the third threaded hole; the countersunk hole and the third threaded hole are provided so that the cutter head 220 is fixedly installed using the second positioning bolt 251. A positioning pin 252 is provided inside the tool holder 210, and the rod end of the second positioning bolt 251 is connected to the positioning pin 252. A limited circular hole 260 is provided on one side of the tool holder 210, and the positioning pin 252 is inserted into the limited circular hole 260; it is used to install the positioning pin 252. A fourth threaded hole is provided on the outside of the positioning pin 252, and the rod end of the second positioning bolt 251 is screwed into the fourth threaded hole; so that the cutter head 220 on the top of the tool holder 210 is stably installed.
[0040] See also Figure 6 and Figure 7The boring tool correction assembly 30 includes a mechanical chuck 310, a fixing bolt 320 and a clamping plate 330. The mechanical chuck 310 is arranged below the tool holder 210. The rod end of the fixing bolt 320 passes through the hole in the middle of the mechanical chuck 310 and is screwed into the second threaded hole 240. A plurality of clamping plates 330 are respectively fixedly arranged on the outside of the claws in the mechanical chuck 310. The clamping plate 330 is an arc-shaped structure, and a plurality of groups of equidistant notches 360 are provided on the outer wall of the clamping plate 330; the plurality of groups of notches 360 can be used to increase the friction between the clamping plate 330 and the inner wall of the mounting hole 120, and can improve the stability of the clamping plate 330 when supporting. The through hole 140 is coaxially arranged with the adjusting bolt on the outside of the mechanical chuck 310, and can be used to adjust the adjusting bolt on the outside of the mechanical chuck 310 using a hexagonal wrench. A limit ring plate 340 is provided below the mechanical chuck 310, and the rod end of the fixing bolt 320 movably penetrates the limit ring plate 340; the limit ring plate 340 is used to limit the installation of the fixing bolt 320, so that the fixing bolt 320 can clamp and fix the end face of the mechanical chuck 310. An anti-loosening washer 350 is provided below the limit ring plate 340, and the rod end of the fixing bolt 320 movably penetrates the anti-loosening washer 350; the anti-loosening washer 350 is used to increase the anti-loosening performance of the fixing bolt 320, so that the fixing bolt 320 can stably install and fix the mechanical chuck 310.
[0041] The working principle of the boring device that is easy to correct after wear is as follows: the bottom end of the tool holder 210 is inserted together with the boring tool correction assembly 30 below the tool holder 210 into the mounting hole 120 at the top of the tool handle 10, and the first positioning bolt 110 is used to make the rod end of the first positioning bolt 110 pass through the positioning hole 130 and extend to the first threaded hole 230 on one side of the tool holder 210. The method of fixing and installing the tool holder 210 with the first positioning bolt 110 is a common installation method. Use a hexagonal wrench to rotate the adjustment bolt on the outside of the mechanical chuck 310 through the through hole 140, so that the claws on the mechanical chuck 310 push the clamping plate 330 outward against the inner wall of the mounting hole 120 on the tool handle 10. Even if the installation gap between the tool holder 210 and the tool handle 10 becomes larger, the tool holder 210 can be stably installed on the tool handle 10 after adjustment and correction, so that the tool can rotate more stably when processing parts.
[0042] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A boring device that is easy to correct after wear, characterized in that: include A knife handle (10), wherein a mounting hole (120) is provided at the top of the knife handle (10), a positioning hole (130) and a through hole (140) are respectively provided on the outside of the knife handle (10), and the positioning hole (130) and the through hole (140) are respectively connected to the mounting hole (120), and a first positioning bolt (110) is provided on the outside of the knife handle (10), and a rod end of the first positioning bolt (110) is inserted into the inside of the positioning hole (130); A boring tool cutting assembly (20), the boring tool cutting assembly (20) comprising a tool holder (210) and a tool head (220), the tool head (220) being detachably fixedly mounted on the top of the tool holder (210), the bottom end of the tool holder (210) being insertable into the mounting hole (120), a first threaded hole (230) and a second threaded hole (240) being respectively formed on one side and the bottom end of the tool holder (210), and the rod end of the first positioning bolt (110) being threadedly connected to the inside of the first threaded hole (230); A boring tool correction assembly (30), the boring tool correction assembly (30) comprising a mechanical chuck (310), a fixing bolt (320) and a clamping plate (330), the mechanical chuck (310) being arranged below the tool holder (210), the rod end of the fixing bolt (320) passing through a hole in the middle of the mechanical chuck (310) being screwed into the inside of the second threaded hole (240), a plurality of clamping plates (330) being respectively fixedly arranged on the outside of the clamping claws in the mechanical chuck (310), and the through hole (140) being coaxially arranged with the adjusting bolt on the outside of the mechanical chuck (310); Wherein, a limiting ring plate (340) is provided below the mechanical chuck (310), and the rod end of the fixing bolt (320) movably passes through the limiting ring plate (340); An anti-loosening washer (350) is provided below the limiting ring plate (340), and the rod end of the fixing bolt (320) movably passes through the anti-loosening washer (350); The clamping plate (330) is an arc-shaped structure, and a plurality of groups of equidistant notches (360) are formed on the outer wall of the clamping plate (330).
2. A boring device that is easy to correct after wear according to claim 1, characterized in that: A fixing member (250) is installed between the tool holder (210) and the tool head (220).
3. A boring device that is easy to correct after wear according to claim 2, characterized in that: The fixing member (250) includes a second positioning bolt (251), a countersunk hole is arranged on the top of the tool head (220), a third threaded hole is opened on the top of the tool holder (210) below the countersunk hole, the second positioning bolt (251) is arranged inside the countersunk hole, and the second positioning bolt (251) is screwed into the third threaded hole.
4. A boring device that is easy to correct after wear according to claim 3, characterized in that: A positioning pin (252) is provided inside the tool holder (210), and the rod end of the second positioning bolt (251) is connected to the positioning pin (252).
5. A boring device that is easy to correct after wear according to claim 4, characterized in that: A limiting circular hole (260) is provided on one side of the tool holder (210), and the positioning pin (252) is inserted into the limiting circular hole (260).
6. A boring device that is easy to correct after wear according to claim 4, characterized in that: A fourth threaded hole is formed on the outer side of the positioning pin (252), and the rod end of the second positioning bolt (251) is threadedly connected to the inside of the fourth threaded hole.
7. A boring device that is easy to correct after wear according to claim 1, characterized in that: The top of the tool holder (210) is provided with a slide groove, the bottom of the tool head (220) is provided with a slider, and the slider is slidably arranged inside the slide groove.