CN215033711U

CN215033711U - Boring device convenient to correct after wearing and tearing

Info

Publication number: CN215033711U
Application number: CN202121367814.0U
Authority: CN
Inventors: 何有能; 梁业; 郑小兵; 梁宗辉; 朱岩; 温霞丽
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-07
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a be convenient for after wearing and tearing correct boring device belongs to boring auxiliary device technical field. The boring device convenient to correct after being worn comprises a cutter handle, a boring cutter cutting assembly and a boring cutter correcting assembly. The boring cutter cutting assembly comprises a cutter holder and a cutter head, and is characterized in that a mounting hole is formed in the top end of the cutter holder, a positioning hole and a through hole are formed in the outer side of the cutter holder respectively, the positioning hole and the through hole are communicated with the mounting hole respectively, a first positioning bolt is arranged on the outer side of the cutter holder, the rod end of the first positioning bolt is inserted into the positioning hole in an inserting mode, and the boring cutter cutting assembly comprises a cutter holder and a cutter head. The utility model discloses use the hexagon spanner to pass through the adjusting bolt in the through-hole rotation mechanical chuck outside for jack catch on the mechanical chuck promotes splint to the outside and supports tight mounting hole inner wall on the handle of a knife, even the installation gap grow between cutter holder and the handle of a knife can make the cutter holder firm after revising through adjusting and install on the handle of a knife, makes the cutter rotate more stably when the processing part.

Description

Boring device convenient to correct after wearing and tearing

Technical Field

The utility model relates to a boring auxiliary device field particularly, relates to a boring device of being convenient for revise after wearing and tearing.

Background

The boring cutter is an indispensable tool in the boring and cutting process. The conventional boring cutter is of a round handle structure and is specially used for performing rough machining, semi-finish machining or finish machining on the existing hole.

The boring cutter mainly comprises a cutter head, a cutter handle and a cutter holder. In high-speed boring processing, high-speed rotation of a tool bit, centrifugal force and unbalance of the tool bit can cause large vibration, long-term vibration easily causes the gap at the installation position of a tool holder and a tool holder to be enlarged, the vibration amplitude of the boring tool itself becomes larger when the boring tool is used, and the tool is damaged when the boring tool is serious or even processed.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a boring device of being convenient for revise after wearing and tearing aims at improving in the course of working, and long-term vibration easily leads to the gap grow of handle of a knife and cutter holder installation department, arouses the problem of bigger vibration.

The utility model discloses a realize like this:

the utility model provides a boring device convenient to correction after wearing and tearing, including handle of a knife, boring cutter cutting component and boring cutter correction component.

The top end of the tool holder is provided with a mounting hole, the outer side of the tool holder is respectively provided with a positioning hole and a through hole, the positioning hole and the through hole are respectively communicated with the mounting hole, the outer side of the tool holder is provided with a first positioning bolt, the rod end of the first positioning bolt is inserted into the positioning hole, the boring cutter cutting assembly comprises a cutter holder and a cutter head, the cutter head is detachably and fixedly mounted at the top of the cutter holder, the bottom end of the cutter holder can be inserted into the mounting hole, one side and the bottom end of the cutter holder are respectively provided with a first threaded hole and a second threaded hole, the rod end of the first positioning bolt is screwed into the first threaded hole, the boring cutter correction assembly comprises a mechanical chuck, a fixing bolt and a clamping plate, the mechanical chuck is arranged below the cutter holder, and the rod end of the fixing bolt penetrates through the hole in the middle of the mechanical chuck and is screwed into the second threaded hole, the clamping jaws are arranged in the mechanical chuck, and the through holes are coaxially arranged with the adjusting bolts on the outer side of the mechanical chuck.

In an embodiment of the present invention, a limit ring plate is disposed below the mechanical chuck, and the rod end of the fixing bolt is movably connected to the limit ring plate.

In an embodiment of the present invention, a lock washer is disposed below the limit ring plate, and the rod end of the fixing bolt is movably inserted into the lock washer.

The utility model discloses an in one embodiment, splint are the arc structure, just a plurality of groups of equidistance notch are seted up to the splint outer wall.

In an embodiment of the invention, the tool holder and the tool head are provided with a mounting therebetween.

The utility model discloses an in one embodiment, the mounting includes second positioning bolt, the tool bit top is provided with the counter bore, the counter bore below the third screw hole has been seted up at the cutter holder top, second positioning bolt set up in inside the counter bore, just second positioning bolt spiro union in third screw hole.

The utility model discloses an in one embodiment, the inside locating pin that is provided with of cutter holder, second positioning bolt rod end connect in the locating pin.

The utility model discloses an in one embodiment, spacing round hole has been seted up to cutter holder one side, the locating pin is inserted and is located inside the spacing round hole.

The utility model discloses an in one embodiment, fourth screw hole has been seted up in the locating pin outside, second positioning bolt's rod end spiro union in inside the fourth screw hole.

In an embodiment of the invention, the tool holder top is provided with a sliding groove, the tool bit bottom is provided with a slider, and the slider slides and sets up in inside the sliding groove.

The utility model has the advantages that: the utility model discloses a boring device that is convenient for revise after wearing and tearing that above-mentioned design obtained uses the adjusting bolt that the hexagonal spanner passes through the through-hole and rotates the mechanical chuck outside for jack catch on the mechanical chuck promotes splint to the outside and supports tight mounting hole inner wall on the handle of a knife, even the installation gap grow between cutter holder and the handle of a knife can make the cutter holder stabilize and install on the handle of a knife after revising through adjusting, makes the cutter rotate more stably when processing parts, extension cutter live time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a boring device convenient for correction after being worn according to an embodiment of the present invention;

FIG. 2 is a schematic view of a knife handle structure provided by an embodiment of the present invention;

fig. 3 is a schematic view of an installation structure of a boring cutter cutting assembly and a boring cutter correcting assembly provided by an embodiment of the present invention;

fig. 4 is a schematic structural view of a boring cutter cutting assembly provided in an embodiment of the present invention;

FIG. 5 is a schematic view of a tool bit and a fixing member mounting structure according to an embodiment of the present invention;

fig. 6 is a first schematic structural view of a boring tool correcting assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a boring tool correcting assembly according to an embodiment of the present invention.

In the figure: 10-a knife handle; 110-a first positioning bolt; 120-mounting holes; 130-positioning holes; 140-a through hole; 20-a boring cutter cutting assembly; 210-a tool holder; 220-a cutter head; 230-a first threaded hole; 240-a second threaded hole; 250-a fixture; 251-a second positioning bolt; 252-a locating pin; 260-limiting round holes; 30-a boring tool correction assembly; 310-a mechanical chuck; 320-fixing bolt; 330-a splint; 340-a limit ring plate; 350-lock washer; 360-notch.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 and 3, the present invention provides a boring device convenient for correction after wear, which includes a tool holder 10, a boring tool cutting assembly 20 and a boring tool correcting assembly 30.

The tool holder 10 and the boring cutter cutting assembly 20 are further connected in a reinforcing mode through the boring cutter correcting assembly 30 on the basis of the original positioning bolt installation, and can be adjusted and repaired after a large gap is formed in the middle.

Referring to fig. 1 and 2, a mounting hole 120 is formed at the top end of the tool holder 10, a positioning hole 130 and a through hole 140 are respectively formed on the outer side of the tool holder 10, the positioning hole 130 and the through hole 140 are respectively communicated with the mounting hole 120, a first positioning bolt 110 is arranged on the outer side of the tool holder 10, and a rod end of the first positioning bolt 110 is inserted into the positioning hole 130.

Referring to FIG. 4, the boring cutter assembly 20 includes a holder 210 and a cutter head 220. The cutting head 220 is detachably and fixedly mounted on the top of the tool holder 210; the top of the tool holder 210 is provided with a sliding chute, the bottom of the tool bit 220 is provided with a sliding block, and the tool bit 220 and the sliding block are integrally formed; the sliding block is arranged in the sliding groove in a sliding manner; the slide and slide slot arrangement facilitates positioning and stable mounting of the cutting head 220 on top of the toolholder 210. The bottom end of the tool holder 210 is inserted into the mounting hole 120, a first threaded hole 230 and a second threaded hole 240 are respectively formed in 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.

Referring to fig. 5, a fixing member 250 is installed between the holder 210 and the cutting head 220. The fixing member 250 includes a second positioning bolt 251, a countersunk hole is formed at the top of the tool bit 220, a third threaded hole is formed at 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 with the third threaded hole; the countersunk hole and the third threaded hole are provided to fixedly mount the cutter head 220 using the second set bolt 251. The tool holder 210 is provided therein with a positioning pin 252, and the rod end of the second positioning bolt 251 is connected to the positioning pin 252. One side of the tool holder 210 is provided with a limit round hole 260, and the positioning pin 252 is inserted into the limit round hole 260; for mounting the locating pin 252. A fourth threaded hole is formed in the outer side of the positioning pin 252, and the rod end of the second positioning bolt 251 is in threaded connection with the inside of the fourth threaded hole; so that the cutting head 220 at the top of the holder 210 is stably mounted.

Referring to fig. 6 and 7, the boring tool correcting assembly 30 includes a mechanical chuck 310, a fixing bolt 320, and a clamping plate 330. The mechanical chuck 310 is disposed under the tool holder 210, the rod end of the fixing bolt 320 is screwed into the second screw hole 240 through a hole formed in the middle of the mechanical chuck 310, and the plurality of clamping plates 330 are respectively fixedly disposed outside the clamping jaws of the mechanical chuck 310. The clamping plate 330 is an arc-shaped structure, and a plurality of groups of notches 360 with equal intervals are arranged on the outer wall of the clamping plate 330; the plurality of sets of notches 360 may be used to increase the friction between the clamping plate 330 and the inner wall of the mounting hole 120, which may improve the stability of the clamping plate 330 when supported. The through hole 140 is coaxially disposed with the adjusting bolt at the outer side of the machine chuck 310, and may be used to adjust the adjusting bolt at the outer side of the machine chuck 310 using a hexagonal wrench. A limit ring plate 340 is arranged below the mechanical chuck 310, and the rod end of the fixing bolt 320 movably penetrates through the limit ring plate 340; the limit ring plate 340 is used for limiting and installing the fixing bolt 320, so that the fixing bolt 320 can clamp and fix the end face of the mechanical chuck 310. A check washer 350 is arranged below the limit ring plate 340, and the rod end of the fixing bolt 320 movably penetrates through the check washer 350; the lock washer 350 serves to increase the locking performance of the fixing bolt 320 so that the fixing bolt 320 stably mounts and fixes the mechanical chuck 310.

The working principle of the boring device convenient for correction after abrasion is as follows: the bottom end of the tool holder 210 is connected with the boring correction assembly 30 below the tool holder 210 and is inserted into the mounting hole 120 at the top of the tool holder 10, the first positioning bolt 110 is adopted, the rod end of the first positioning bolt 110 passes through the positioning hole 130 and extends into the first threaded hole 230 at one side of the tool holder 210, and the mode of fixedly mounting the tool holder 210 by the first positioning bolt 110 is a common mounting mode. The adjusting bolt outside the mechanical chuck 310 is rotated through the through hole 140 by using a hexagon wrench, so that the clamping jaws on the mechanical chuck 310 push the clamping plate 330 to the outside to abut against the inner wall of the mounting hole 120 on the tool holder 10, even if the mounting gap between the tool holder 210 and the tool holder 10 becomes large, the tool holder 210 can be stably mounted on the tool holder 10 after adjustment and correction, and the tool can be rotated more stably when a part is machined.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A boring device convenient for correction after abrasion is characterized by comprising

The tool comprises a tool shank (10), wherein a mounting hole (120) is formed in the top end of the tool shank (10), a positioning hole (130) and a through hole (140) are formed in the outer side of the tool shank (10) respectively, the positioning hole (130) and the through hole (140) are communicated with the mounting hole (120) respectively, a first positioning bolt (110) is arranged on the outer side of the tool shank (10), and the rod end of the first positioning bolt (110) is inserted into the positioning hole (130);

the boring cutter cutting assembly (20) comprises a cutter holder (210) and a cutter head (220), the cutter head (220) is detachably and fixedly mounted at the top of the cutter holder (210), the bottom end of the cutter holder (210) can be inserted into the mounting hole (120), one side and the bottom end of the cutter holder (210) are respectively provided with a first threaded hole (230) and a second threaded hole (240), and the rod end of the first positioning bolt (110) is screwed into the first threaded hole (230);

the boring cutter correcting assembly (30) comprises a mechanical chuck (310), a fixing bolt (320) and clamping plates (330), the mechanical chuck (310) is arranged below the cutter holder (210), the rod end of the fixing bolt (320) penetrates through a hole in the middle of the mechanical chuck (310) and is screwed in the second threaded hole (240), the clamping plates (330) are fixedly arranged on the outer sides of clamping jaws in the mechanical chuck (310) respectively, and the through hole (140) and an adjusting bolt on the outer side of the mechanical chuck (310) are coaxially arranged.

2. The boring device convenient for correcting after being worn out is characterized in that a limit ring plate (340) is arranged below the mechanical chuck (310), and the rod end of the fixing bolt (320) movably penetrates through the limit ring plate (340).

3. The boring device convenient for correcting after being worn out as claimed in claim 2, wherein a check washer (350) is arranged below the limit ring plate (340), and the rod end of the fixing bolt (320) movably penetrates through the check washer (350).

4. The boring device facilitating correction after wear as claimed in claim 1, wherein the clamping plate (330) is of an arc structure, and the outer wall of the clamping plate (330) is provided with a plurality of groups of notches (360) at equal intervals.

5. The boring device for facilitating correction after wear according to claim 1, wherein a fixing member (250) is installed between the tool holder (210) and the tool bit (220).

6. The boring device convenient for correcting after being worn out as claimed in claim 5, wherein the fixing member (250) comprises a second positioning bolt (251), a countersunk hole is formed at the top of the tool bit (220), a third threaded hole is formed at 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 in threaded connection with the third threaded hole.

7. The boring device facilitating correction after wear as set forth in claim 6, wherein the tool holder (210) is provided with a positioning pin (252) inside, and the rod end of the second positioning bolt (251) is connected to the positioning pin (252).

8. The boring device convenient for correction after being worn out as claimed in claim 7, wherein a limiting round hole (260) is formed in one side of the tool holder (210), and the positioning pin (252) is inserted into the limiting round hole (260).

9. The boring device convenient for correcting after being worn out as claimed in claim 7, wherein 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 in threaded connection with the inside of the fourth threaded hole.

10. The boring device facilitating correction after wear as set forth in claim 1, wherein the tool holder (210) is provided with a slide groove at the top, the tool bit (220) is provided with a slide block at the bottom, and the slide block is slidably disposed inside the slide groove.