CN211727542U - Boring cutter mechanism for cutting inner hole of large-diameter workpiece - Google Patents
Boring cutter mechanism for cutting inner hole of large-diameter workpiece Download PDFInfo
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- CN211727542U CN211727542U CN202020204418.5U CN202020204418U CN211727542U CN 211727542 U CN211727542 U CN 211727542U CN 202020204418 U CN202020204418 U CN 202020204418U CN 211727542 U CN211727542 U CN 211727542U
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Abstract
The utility model discloses a boring cutter mechanism for cutting inner holes of large-diameter workpieces, which relates to the technical field of boring cutter cutting and comprises a BT cutter handle, a cutter bar and a boring cutter assembly; it is characterized by also comprising a fixing component; the two fixing components are respectively positioned at the two ends of the cutter bar; each fixing component comprises a fixing disc and a centering piece; the fixed disc is sleeved on the cutter bar, and accommodating grooves are respectively formed in the two side faces of the fixed disc; the two centering pieces are sleeved on the cutter bar and are respectively fixed in the accommodating groove; the length of the cutter rod is 1.5 to 2 times of that of the large-diameter workpiece; the boring cutter assembly is provided with a plurality of boring cutter assemblies and is positioned between the two fixing assemblies. The abrasion of the cutter is reduced, and the service life of the cutter is prolonged; the processing quality is improved, and the generation probability of waste products is reduced; the processing procedure is saved, and the processing cost is reduced.
Description
Technical Field
The utility model relates to a boring cutter cutting technical field specifically is a boring cutter mechanism for cutting of major diameter work piece hole.
Background
In the machining operation process, the cutting of an inner hole of a large-diameter workpiece is very difficult work; the cutter arbor length among the traditional structure is shorter, when carrying out cutting operation, and is higher to boring machine and operating personnel's technical requirement, and most enterprises hardly reach corresponding technical requirement, if need carry out cutting work to major diameter work piece, not only improved the cutting degree of difficulty, increased the processing cost, also can't obtain the guarantee in the aspect of product quality moreover.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a boring cutter mechanism for cutting of major diameter work piece hole to solve the problem of proposing among the above-mentioned background art, not only can accomplish the hole cutting work to the major diameter work piece, can promote the cutting quality moreover.
In order to achieve the above object, the utility model provides a following technical scheme: a boring cutter mechanism for cutting an inner hole of a large-diameter workpiece comprises a BT cutter handle, a cutter bar and a boring cutter assembly; it is characterized by also comprising a fixing component;
the two fixing assemblies are respectively positioned at two ends of the cutter bar; each fixing component comprises a fixing disc and a centering piece;
the fixed disc is sleeved on the cutter bar, and accommodating grooves are respectively formed in two side faces of the fixed disc; the two centering pieces are respectively fixed in the accommodating groove and sleeved on the cutter bar;
the length of the cutter rod is 1.5 to 2 times of that of the large-diameter workpiece;
the boring cutter assembly is provided with a plurality of boring cutter assemblies and is positioned between the two fixing assemblies.
Furthermore, the boring cutter assembly comprises a boring cutter frame, a pressing frame, a boring cutter and a pressing plate; the boring cutter holder is arranged on the cutter bar and is fixed through the pressing frame; one end of the boring cutter frame is provided with a cutter groove, and the boring cutter is positioned in the cutter groove and fixed through the pressing plate.
Further, a mounting hole is formed in the cutter bar, and a mounting rod is arranged on one side, close to the cutter bar, of the boring cutter holder; the mounting rod is inserted into the mounting hole.
Further, the centering piece is of a circular ring structure.
Further, the centering piece is made of brass.
Furthermore, a weight reduction groove is formed in one side face, far away from the boring cutter assembly, of the fixed disc.
Furthermore, a reinforcing rib plate is arranged on one side surface of the fixed disc close to the boring cutter assembly.
Furthermore, a plurality of mounting screw holes are formed in the fixed disc.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a boring cutter mechanism for cutting inner holes of large-diameter workpieces, which is specially designed for the inner hole cutting work of the large-diameter workpieces, on one hand, compared with the traditional structure, the length of the cutter bar is increased to 1.5 to 2 times of that of the large-diameter workpieces, and the cutting difficulty can be reduced to a certain extent due to the increase of the length of the cutter bar; on the other hand, the structure of the fixing component for fixing the cutter bar is additionally arranged, so that the cutter shaking phenomenon caused by overlong length of the cutter bar can be effectively avoided; moreover, under the advantage of the length of the cutter bar, a plurality of boring cutter assemblies can be arranged on the cutter bar, so that the operation of simultaneously processing a plurality of parts is realized, and the concentricity of each cutting hole can be ensured under the limiting action of a centering piece in the fixing assembly, so that the design form and position requirements are met; in addition, the following advantages are provided:
1. the abrasion of the cutter is reduced, and the service life of the cutter is prolonged;
2. the processing quality is improved, and the generation probability of waste products is reduced;
3. the processing procedure is saved, and the processing cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a boring cutter mechanism for cutting an inner hole of a large-diameter workpiece according to the present invention;
fig. 2 is an exploded view of the boring cutter mechanism for cutting the inner hole of the large-diameter workpiece provided by the utility model.
In the figure: 100-BT shank; 200-a cutter bar; 210-mounting holes; 300-a boring cutter assembly; 310-boring tool holder; 320-a compaction frame; 330-boring cutter; 340-a platen; 350-a knife slot; 410-fixing the disc; 411-weight reduction slots; 412-reinforcing plate; 413-mounting a screw hole; 420-centering member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only 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.
Fig. 1 shows a schematic structural diagram of a boring cutter mechanism for cutting an inner hole of a large-diameter workpiece, which is provided by the invention; fig. 2 shows an exploded view of a boring cutter mechanism for cutting an inner hole of a large-diameter workpiece provided by the utility model.
Specifically, as shown in fig. 1-2, the utility model provides a boring cutter mechanism for cutting inner holes of large-diameter workpieces, which comprises a BT tool shank 100, a tool bar 200 and a boring cutter assembly 300; it is characterized by also comprising a fixing component; the two fixing components are respectively positioned at the two ends of the cutter bar 200; each fixing assembly includes a fixing plate 410 and a centering member 420; the fixed disc 410 is sleeved on the cutter bar 200, and accommodating grooves are respectively formed on two side surfaces of the fixed disc; the two centering pieces 420 are respectively fixed in the accommodating groove and sleeved on the cutter bar 200; the length of the tool bar 200 is 1.5 to 2 times that of the large-diameter workpiece; the boring cutter assembly 300 is provided in number and is located between two fixed assemblies.
In the technical scheme, the fixing component is used for connecting a boring mill or other processing equipment and can adopt connecting modes such as screw connection, welding and the like; preferably, the fixed disk 410 is provided with a plurality of mounting screw holes 413, and the fixed disk 410 is fixed in a screwing mode, so that the fixed disk is convenient to disassemble and perform replacement and maintenance operations; on the other hand, different processing equipment can be replaced at any time according to the use requirement, so that the device can be applied to different working environments.
The fixing plate 410 may have a square, rectangular or circular polygonal structure, and in this embodiment, a circular structure is taken as an example for illustration; an axial hole penetrating through both sides is formed at the axial center of the fixed disk 410, so that the cutter bar 200 is fixed on the fixed disk 410 through the axial hole and can complete the axial rotation operation relative to the fixed disk 410.
Preferably, a lightening slot 411 is formed on one side surface of the fixed plate 410 away from the boring tool assembly 300.
Under the condition that the strength of the fixed disc 410 is not influenced, the material cost can be controlled, and the weight of the fixed disc 410 can be reduced by arranging the circular weight-reducing groove 411 on the fixed disc 410, so that damage to a boring machine or other processing equipment due to overlarge weight is avoided.
Preferably, a reinforcing rib plate 412 is provided on one side surface of the fixed plate 410 adjacent to the boring cutter assembly 300.
During the cutting process, the fixed disc 410 may vibrate due to the axial rotation of the cutter bar 200 and the operation of the device, and the strength of the fixed disc is improved by arranging a circular reinforcing rib plate 412 thereon, thereby ensuring the reliability of the operation of the boring cutter mechanism.
In order to prevent the cutter bar 200 from generating radial displacement during rotation, the fixed disk 410 is additionally provided with the centering piece 420, the centering piece 420 is assembled in the accommodating groove on the fixed disk 410 in an interference manner, and the accommodating groove is formed along the circumferential direction of the axial center hole of the fixed disk 410 so as to ensure that the axial center of the centering piece 420 and the axial center of the fixed disk 410 are coaxially arranged; moreover, the diameter of the inner circumference of the centering member 420 should match the diameter of the cutter bar 200, so that the cutter bar 200 can be prevented from affecting the axial rotation operation after passing through the fixed disc 410 and the centering member 420 while the limiting effect is achieved.
Preferably, the centering member 420 has a circular ring-shaped structure.
Preferably, the centering member 420 is made of brass.
The centering piece 420 is designed into a brass ring structure, on one hand, the diameter of the inner periphery of the centering piece is matched with that of the cutter bar 200, so that the cutter bar 200 is limited, and radial displacement of the cutter bar 200 is avoided; on the other hand, due to the characteristics of the brass material, the inner circumference of the centering member 420 is relatively smooth, the frictional force generated by the contact surface is small when the tool holder 200 axially rotates, and the degree of wear on the tool holder 200 is relatively low.
In order to adapt to the cutting work of the inner hole of the large-diameter workpiece, the length of the cutter bar 200 can be set according to the size of the large-diameter workpiece, and the fixing and limiting effects of the fixed disc 410 and the centering piece 420 are matched, so that on one hand, the cutter bar 200 with a longer length can be ensured not to generate cutter vibration; on the other hand, the boring cutter assembly 300 can be arranged, multi-part machining can be carried out simultaneously, the concentricity of each machining part can be ensured, the machining quality is improved, and the machining efficiency is improved.
Preferably, as shown in fig. 2, the boring tool assembly 300 includes a boring tool holder 310, a pressing holder 320, a boring tool 330, and a pressing plate 340; the boring tool holder 310 is arranged on the tool bar 200 and fixed through a pressing frame 320; one end of the boring tool holder 310 is provided with a tool slot 350, and the boring tool 330 is positioned in the tool slot 350 and fixed by the pressing plate 340.
The pressing frame 320 is fixed on the boring tool holder 310 in a threaded manner, and the pressing plate 340 is also fixed on the boring tool holder 310 in a threaded manner, so that the positions of the boring tool holder 310 and the boring tool 330 can be conveniently adjusted according to use requirements at any time, and the universality of the application is improved.
Preferably, the cutter bar 200 is provided with a mounting hole 210, and one side of the boring cutter holder 310 close to the cutter bar 200 is provided with a mounting rod; the mounting rod is inserted into the mounting hole 210.
The boring tool holder 310 is inserted into the mounting hole 210, and then fixed by the pressing frame 320, so that the boring tool holder 310 can synchronously complete axial rotation with the tool bar 200; the dimensions of the mounting rod and the mounting hole 210 should be matched to avoid the phenomenon of shaking during the rotation process to affect the cutting quality.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap" or "coupling" or "mating" or "welding" or "mounting" or "providing" are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A boring cutter mechanism for cutting an inner hole of a large-diameter workpiece comprises a BT cutter handle (100), a cutter rod (200) and a boring cutter assembly (300); it is characterized by also comprising a fixing component;
the two fixing assemblies are respectively positioned at two ends of the cutter bar (200); each fixing component comprises a fixing disc (410) and a centering piece (420);
the fixed disc (410) is sleeved on the cutter bar (200), and accommodating grooves are respectively formed in two side faces of the fixed disc; the number of the centering pieces (420) is two, and the two centering pieces (420) are respectively fixed in the accommodating groove and sleeved on the cutter bar (200);
the length of the cutter bar (200) is 1.5 to 2 times of that of the large-diameter workpiece;
the boring cutter assembly (300) is provided with a plurality of fixing assemblies and is positioned between the two fixing assemblies.
2. The boring cutter mechanism for cutting the inner hole of the large-diameter workpiece according to claim 1, characterized in that the boring cutter assembly (300) comprises a boring cutter holder (310), a pressing holder (320), a boring cutter (330) and a pressing plate (340); the boring tool holder (310) is arranged on the tool bar (200) and is fixed through the pressing frame (320); one end of the boring cutter holder (310) is provided with a cutter groove (350), and the boring cutter (330) is positioned in the cutter groove (350) and fixed through the pressing plate (340).
3. The boring cutter mechanism for cutting the inner hole of the large-diameter workpiece according to claim 2, characterized in that a mounting hole (210) is formed in the cutter bar (200), and a mounting rod is arranged on one side, close to the cutter bar (200), of the boring cutter holder (310); the mounting rod is inserted into the mounting hole (210).
4. A boring cutter mechanism for cutting inner holes of large-diameter workpieces according to any one of claims 1 to 3, characterized in that the centering member (420) is of a circular ring-shaped structure.
5. The boring cutter mechanism for cutting the inner hole of the large-diameter workpiece as claimed in claim 4, wherein the centering piece (420) is made of brass.
6. The boring cutter mechanism for cutting the inner hole of the large-diameter workpiece as claimed in claim 1, wherein a weight-reducing slot (411) is formed in one side surface of the fixed disc (410) far away from the boring cutter assembly (300).
7. The boring cutter mechanism for cutting the inner hole of the large-diameter workpiece according to claim 1, characterized in that a reinforcing rib plate (412) is arranged on one side surface of the fixed disc (410) close to the boring cutter assembly (300).
8. The boring cutter mechanism for cutting the inner hole of the large-diameter workpiece as claimed in claim 1, wherein the fixed disc (410) is provided with a plurality of mounting screw holes (413).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204418.5U CN211727542U (en) | 2020-02-25 | 2020-02-25 | Boring cutter mechanism for cutting inner hole of large-diameter workpiece |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020204418.5U CN211727542U (en) | 2020-02-25 | 2020-02-25 | Boring cutter mechanism for cutting inner hole of large-diameter workpiece |
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| CN211727542U true CN211727542U (en) | 2020-10-23 |
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| CN202020204418.5U Active CN211727542U (en) | 2020-02-25 | 2020-02-25 | Boring cutter mechanism for cutting inner hole of large-diameter workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226789A (en) * | 2021-11-20 | 2022-03-25 | 济源市腾辉金属构件有限公司 | Device and method for forming curved surface of hammer head tool of precision forging machine |
-
2020
- 2020-02-25 CN CN202020204418.5U patent/CN211727542U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114226789A (en) * | 2021-11-20 | 2022-03-25 | 济源市腾辉金属构件有限公司 | Device and method for forming curved surface of hammer head tool of precision forging machine |
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