CN218487764U - Long-diameter-multiplying drill body machining tool - Google Patents
Long-diameter-multiplying drill body machining tool Download PDFInfo
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- CN218487764U CN218487764U CN202222839895.0U CN202222839895U CN218487764U CN 218487764 U CN218487764 U CN 218487764U CN 202222839895 U CN202222839895 U CN 202222839895U CN 218487764 U CN218487764 U CN 218487764U
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Abstract
The application provides a long power footpath bores body processing frock, includes: a sleeve having a tapered channel therein; the outer wall of the expansion sleeve is of a conical surface structure; the expansion sleeve is arranged in the conical channel, and the outer wall of the expansion sleeve is attached to the inner wall of the sleeve; the expansion sleeve is internally provided with a first channel through which a workpiece can pass; a compression cover; the pressing cover is arranged at the large-caliber end of the conical channel and is used for pressing the expansion sleeve in the conical channel; the pressing cover is provided with a second channel through which a workpiece can pass; the second channel and the first channel are coaxially arranged. This application can guarantee to bore the body and can not shake when processing long multiple footpath brill body to can steadily process the blade groove, the precision degree that bores the body after processing is accomplished also promotes greatly, and the brill body that processing was come out can guarantee the straightness accuracy and the cylindricity in hole better when the drilling, and the cutter life-span that uses in the simultaneous processing also can greatly increased, has saved the cutter, the cost is reduced.
Description
Technical Field
The application relates to the technical field of machining equipment of long-time-diameter drill bodies, in particular to a long-time-diameter drill body machining tool.
Background
The history of human awareness and drill bit use can go up to prehistoric times. The bur used by flint "wood-boring" can be considered the most primitive drill bit. A twist drill (commonly known as a drill) widely used in modern industrial processing is a solid workpiece hole processing cutter with a complex shape, and is born more than one hundred years ago. Today, the larger diameter drill is mostly an indexable insert drill. It is statistical that in the U.S. automobile industry, the drilling process accounts for approximately 50% of the machining process, while in the aircraft industry, the drilling process accounts for a higher percentage. Although drill bits are used so extensively, it is well known that drilling is one of the most complex machining methods. Deep hole machining requirements are more and more, but when a long-diameter drill body is machined, a plurality of difficulties are met.
When the existing long-diameter drill body machining tool is used for machining, the drill body is easy to vibrate, the machined drill body is low in precision, and the service life of a cutter for machining the drill body is short, for example, in the utility model patent with the application number of CN202123286114.1, the flexible reducing sleeve is adopted to provide flexible support for a workpiece, the support for the workpiece is unstable, and the drill body is easy to vibrate when machining. In order to solve the problem, the application provides a long-diameter-multiplying drill body machining tool.
Disclosure of Invention
The utility model provides a long multiple footpath bores body processing frock to above problem.
The application provides a long power bores body processing frock, includes:
a sleeve having a tapered channel therein;
the outer wall of the expansion sleeve is of a conical surface structure; the expansion sleeve is arranged in the conical channel, and the outer wall of the expansion sleeve is attached to the inner wall of the sleeve; the expansion sleeve is internally provided with a first channel through which a workpiece can pass;
a compression cover; the pressing cover is arranged at the large-caliber end of the conical channel and is used for pressing the expansion sleeve in the conical channel; a second channel through which a workpiece can pass is arranged on the pressing cover; the second channel and the first channel are coaxially arranged.
According to the technical scheme provided by some embodiments of the application, a deformation opening is formed in the outer side wall of the expansion sleeve; the opening end of the deformation opening faces the small-caliber end of the conical channel.
According to the technical scheme provided by some embodiments of the application, a deformation notch is arranged at one end, which is relatively close to the large-diameter end of the tapered channel, of the outer side wall of the expansion sleeve.
According to the technical scheme provided by some embodiments of the present application, the caliber size of the second channel is larger than the caliber size of the first channel, and the caliber size of the first channel is smaller than the outer diameter size of the small end of the expansion sleeve.
According to the technical scheme provided by some embodiments of the application, the pressing cover is in threaded connection with the sleeve.
According to the technical scheme provided by some embodiments of the application, a plurality of locking grooves are arranged on the end face of the pressing cover, which is far away from one side of the expansion sleeve, and the end face of the pressing cover surrounds the opening of the second channel.
According to the technical scheme provided by some embodiments of the application, the compression cover is provided with four locking grooves; the four locking grooves are distributed in a cross shape.
According to the technical scheme provided by some embodiments of the application, the long-diameter drill body machining tool further comprises a locking wrench for locking the pressing cover; the locking wrench comprises a first handle and a locking part arranged at one end of the first handle; a plurality of locking pieces are arranged on the locking part; the locking piece can be inserted into the locking groove at the corresponding position.
According to the technical scheme provided by some embodiments of the application, the locking piece is an inner hexagon screw.
According to the technical scheme provided by some embodiments of the application, the long-diameter drill body machining tool further comprises a disassembling wrench for disassembling the expansion sleeve; the disassembling wrench comprises a second handle and a disassembling part arranged at one end of the second handle; the disassembling part is provided with an arc boss; the circular arc boss can extend into the second channel and is abutted against the small end face of the expansion sleeve.
Compared with the prior art, the beneficial effect of this application: according to the drill, the sleeve with the conical channel, the expansion sleeve with the conical surface structure on the outer wall and the pressing cover for locking the expansion sleeve are arranged, when the drill is used, a drill body to be processed is installed on the expansion sleeve, the expansion sleeve is installed in the sleeve and is pressed by the pressing cover, and finally the sleeve is tightly held on a center frame machine tool; this application can guarantee to bore the body and can not shake when processing the long power bores the body to can steadily process the blade groove, the precision degree that bores the body after processing is accomplished also promotes greatly, and the brill body that processing was come out when the drilling, can guarantee the straightness accuracy and the cylindricity in hole better, and the cutter life-span of using also can greatly increased in the simultaneous processing, has saved the cutter, the cost is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a long-diameter-multiple drill body machining tool provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of another view angle of the long-diameter drill body machining tool provided in the embodiment of the present application;
fig. 3 is a schematic structural diagram of a long-diameter drill body machining tool (with a locking wrench and a dismantling wrench) provided in an embodiment of the present application;
fig. 4 is a schematic structural diagram of another view angle of the long-diameter drill body machining tool (with a locking wrench and a detaching wrench) provided in the embodiment of the present application;
fig. 5 is a schematic structural diagram of a long-diameter drill body machining tool (with a workpiece mounted) according to an embodiment of the present application.
The text labels in the figures are represented as:
1. a sleeve; 101. a tapered channel;
2. expanding sleeves; 201. a first channel; 202. opening the deformation; 203. a deformation notch;
3. a compression cover; 301. a second channel; 302. locking the groove;
4. locking the wrench; 401. a first handle; 402. a locking portion; 403. a locking member;
5. disassembling the wrench; 501. a second handle; 502. a detaching part; 503. a circular arc boss;
6. and (5) a workpiece.
Detailed Description
The following detailed description of the present application is given for the purpose of enabling those skilled in the art to better understand the technical solutions of the present application, and the description in this section is only exemplary and explanatory, and should not be taken as limiting the scope of the present application in any way.
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.
Referring to fig. 1 and fig. 2, the present embodiment provides a tool for machining a long-diameter drill body, including:
a sleeve 1, wherein the sleeve 1 is internally provided with a conical channel 101;
the outer wall of the expansion sleeve 2 is of a conical surface structure; the expansion sleeve 2 is arranged in the conical channel 101, and the outer wall of the expansion sleeve is attached to the inner wall of the sleeve 1; the expansion sleeve 2 is internally provided with a first channel 201 through which the workpiece 6 can pass;
a hold-down cover 3; the pressing cover 3 is arranged at the large-caliber end of the conical channel 101 and is used for pressing the expansion sleeve 2 in the conical channel 101; a second channel 301 through which the workpiece 6 can pass is arranged on the pressing cover 3; the second channel 301 and the first channel 201 are coaxially disposed.
Specifically, the sleeve 1 is a hollow cylindrical sleeve, and a tapered channel 101 is formed in the sleeve; the conical channel 101 is coaxial with the cylindrical structure; the tapered channel 101 has two openings, a large-caliber opening and a small-caliber opening; wherein the large diameter opening is the left end in fig. 1, and the small diameter opening is the right end in fig. 1;
the expansion sleeve 2 is a finish-milling expansion sleeve, the outer wall of the expansion sleeve 2 is of a conical surface structure, when the expansion sleeve 2 is installed in the conical channel 101, the small end of the expansion sleeve 2 corresponds to the small-caliber end of the conical channel 101, the large end of the expansion sleeve 2 corresponds to the large-caliber end of the conical channel 101, and the outer wall of the conical surface structure of the expansion sleeve 2 is tightly attached to the conical surface of the conical channel 101; the first channel 201 in the expansion sleeve 2 is a cylindrical channel;
the pressing cover 3 can be arranged at the large-aperture end of the tapered channel 101 and is used for locking the expansion sleeve 2 in the tapered channel 101, and when the expansion sleeve 2 reaches the bottom end of the tapered channel 101 in the sleeve 1, the expansion sleeve can firmly lock the drill body to be processed; the second channel 301 on the compressing cover 3 is a cylindrical structure and is arranged coaxially with the first channel 201; the inner diameter of the second channel 301 is slightly larger than that of the first channel 201;
the workpiece 6 is a long-diameter-multiplying drill body to be processed and is a cylindrical rod; the diameter of which is slightly smaller than the inner diameter of the first passage 201.
When the machining tool is used for machining a long-diameter-multiple drill body, the machining tool is matched with a machine tool with a center frame for machining, firstly, the drill body to be machined is installed on an expansion sleeve 2 through a first channel 201, then, the expansion sleeve 2 is installed in a conical channel 101, one end of the drill body extends out of a small-diameter end of the conical channel 101, then, a pressing cover 3 is sleeved at the other end of the drill body, and the expansion sleeve 2 is pressed in the conical channel 101 through the pressing cover 3; finally, the sleeve 1 is arranged on a center frame of a machine tool and locked by the center frame, and a main shaft of the machine tool rotates to drive the sleeve 1 to rotate in the machining process, so that a long-diameter drill body to be machined rotates along with the sleeve; this application can guarantee to bore the body and can not shake when processing long multiple footpath brill body to can steadily process the blade groove, the precision degree that bores the body after processing is accomplished also promotes greatly, and the brill body that processing was come out can guarantee the straightness accuracy and the cylindricity in hole better when the drilling, and the cutter life-span that uses in the simultaneous processing also can greatly increased, has saved the cutter, the cost is reduced.
Further, a deformation opening 202 is formed in the outer side wall of the expansion sleeve 2; the open end of the deformation opening 202 faces the small-caliber end of the tapered channel 101.
Specifically, in the present embodiment, two deformation openings 202 are provided; the two deformation openings 202 are oppositely arranged; referring to fig. 2, the deformation opening 202 is composed of two parts, including an oval opening formed in the sidewall of the expansion sleeve 2 and a rectangular opening communicated with one side of the oval opening; the major axis direction of the oval opening is vertical to the axial direction of the expansion sleeve 2, and the minor axis direction is parallel to the axial direction of the expansion sleeve 2; the short side of the rectangular opening is communicated with the oval opening, and the length of the short side of the rectangular opening is smaller than the length of the long axis of the oval opening.
Through adopting above-mentioned technical scheme, when will compress tightly lid 3 orientation and be close to when the direction of cover 2 that rises compresses tightly, because the existence of above-mentioned deformation opening 202 for the cover 2 that rises takes place deformation relatively easily, thereby will treat the drill body locking of processing, be favorable to the stability of processing, thereby be favorable to ensureing the machining precision of the drill body.
Further, a deformation notch 203 is formed in one end, which is relatively close to the large-diameter end of the conical channel 101, of the outer side wall of the expansion sleeve 2.
Specifically, in the present embodiment, two deformation notches 203 are provided, and the two deformation notches 203 and the elliptical opening portions of the two deformation openings 202 are circumferentially distributed; one deformation opening 202 is arranged between the ends, close to each other, of the two deformation notches 203; the deformation notch 203 is not a through hole, but an approximately elliptical groove dug out on the outer surface of the expansion sleeve 2, however, in other embodiments of the present application, the deformation notch 203 may have other shapes.
Through adopting above-mentioned technical scheme, when will compress tightly lid 3 orientation and be close to when the direction of cover 2 that rises compresses tightly, because the existence of above-mentioned deformation notch 203, it with deformation opening 202 cooperation is used for the cover 2 that rises takes place deformation more easily for the drill body locking of treating processing is favorable to the stability of processing, thereby is favorable to ensureing the machining precision of drill body.
Further, the caliber size of the second channel 301 is larger than the caliber size of the first channel 201, and the caliber size of the first channel 201 is smaller than the outer diameter size of the small end of the expansion sleeve 2.
Further, the pressing cover 3 is in threaded connection with the sleeve 1, so that the expansion sleeve 2 is locked to prevent the expansion sleeve from falling off from the small-caliber end of the tapered channel 101, machining is stable, and the pressing cover 3 is convenient to mount and dismount.
Further, referring to fig. 3, a plurality of locking grooves 302 are arranged around an opening of the second passage 301 on an end surface of the pressing cover 3 on a side away from the expansion sleeve 2.
Specifically, the pressing cover 3 is provided with four locking grooves 302; the four locking grooves 302 are distributed in a cross shape; the locking grooves 302 are distributed on the end face of the compression cover 3 along the radial direction of the second channel 301; the extending direction of two adjacent locking grooves 302 forms an included angle of 90 °.
Further, referring to fig. 3 to 5, the long-diameter drill body machining tool further includes a locking wrench 4 for locking the pressing cover 3; the locking wrench 4 comprises a first handle 401 and a locking part 402 arranged at one end of the first handle 401; a plurality of locking pieces 403 are arranged on the locking part 402; the retaining member 403 is insertable into the retaining groove 302 in a corresponding position.
Specifically, the first handle 401 is a cylindrical structure, the locking portion 402 is arranged at one end of the first handle 401, and is a plate-shaped structure, and a gap is formed at one end of the plate-shaped structure, which is far away from the first handle 401, and the gap can allow the workpiece 6 mounted on the expansion sleeve 2 to pass through; the locking members 403 are respectively installed around the gap, namely the left side, the right side and the lower side, that is, three locking members 403 are provided in total, the positions of the three locking members 403 correspond to the positions of any three locking grooves 302 on the compression cover 3, when the device is used, the three locking members 403 are respectively inserted into the locking grooves 302 in the corresponding positions, the first handle 401 is rotated, the compression cover 2 is driven to correspondingly rotate, and therefore the compression cover 2 is screwed and loosened.
In this embodiment, the locking member 403 is a socket head cap screw, the locking portion 402 is provided with a threaded hole, the socket head cap screw is screwed into the corresponding threaded hole, and the insertion end of the socket head cap screw is of a planar structure.
Further, referring to fig. 3 to 5, the long-diameter drill machining tool further includes a disassembling wrench 5 for disassembling the expanding sleeve 2; the disassembling wrench 5 comprises a second handle 501 and a disassembling part 502 arranged at one end of the second handle 501; the dismounting part 502 is provided with an arc boss 503; the arc-shaped boss 503 can extend into the second channel 301 and abut against the end face of the small end of the expansion sleeve 2.
Specifically, the second handle 501 is a cylindrical structure, the detaching part 502 is arranged at one end of the second handle 501 and is a plate-shaped structure, and one end of the plate-shaped structure, which is far away from the second handle 501, is provided with a notch, and the notch can enable the workpiece 6 mounted on the expansion sleeve 2 to pass through; the left side and the right side of the notch are respectively provided with an arc boss 503; since the caliber size of the first channel 201 is smaller than the outer diameter size of the small end of the expansion sleeve 2, the circular arc boss 503 can extend into the opening of the second channel 301 and abut against the end face of the small end of the expansion sleeve 2.
When disassembling, the compression cap 3 is firstly unscrewed and removed by the locking wrench 4, then the circular arc boss 503 of the disassembling wrench 5 is inserted into the second channel 301 and abutted against the end face of the expansion sleeve 2, and the disassembling part 502 is knocked by a hammer on the side far away from the circular arc boss 503, so that the expansion sleeve 2 can be jacked down by the circular arc boss 503.
When the tool for machining the long-diameter drill body is used, the drill body to be machined is placed in the finish-milling expansion sleeve, and then the expansion sleeve is installed in the sleeve, because the outer wall of the finish-milling expansion sleeve and the inner side of the sleeve are in taper fit, and the finish-milling expansion sleeve is provided with the deformation opening and the deformation notch, the finish-milling expansion sleeve is easy to deform; the application provides a long multiple bores body processing frock, for the frock of embracing whole brill body among the prior art, it is light simple and easy, it just holds it in the vicinity of which position of work piece with what position need process to what position of brill body, the lathe that its cooperation has the centre frame bores the body, can guarantee that the brill body can not shake when adding man-hour, thereby can steadily process the blade groove above that, the accurate degree of brill body also promotes greatly after the processing is accomplished, the precision of the brill body has effectively been guaranteed promptly, the brill body that processes out is when the drilling, can guarantee the straightness accuracy and the cylindricity in hole better, the used cutter life also can greatly increased in the simultaneous processing, the condition of useless sword has been reduced, the cutter has been saved, and the cost is reduced.
The application provides a body processing frock cooperation centre frame lathe is bored in long multiple footpath uses, can fine centering, the process time that has significantly reduced, staff's the operation degree of difficulty has also been reduced, this frock is applicable to the processing of various long multiple footpath bores the body, as long as bore the unchangeable stroke that satisfies the centre frame lathe of body diameter all can process, when the size of boring the body diameter changes, only need change an inner wall size with it correspond finish milling rise the cover can, convenient and fast.
The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that there are no specific structures which are objectively limitless due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the technical features mentioned above can be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention in other instances, which may or may not be practiced, are intended to be within the scope of the present application.
Claims (10)
1. The utility model provides a long multiple footpath bores body processing frock which characterized in that includes:
a sleeve (1), said sleeve (1) having a tapered channel (101) therein;
the outer wall of the expansion sleeve (2) is of a conical surface structure; the expansion sleeve (2) is arranged in the conical channel (101), and the outer wall of the expansion sleeve is attached to the inner wall of the sleeve (1); the expansion sleeve (2) is internally provided with a first channel (201) through which a workpiece (6) can pass;
a compression cap (3); the pressing cover (3) is arranged at the large-caliber end of the conical channel (101) and is used for pressing the expansion sleeve (2) in the conical channel (101); a second channel (301) through which a workpiece (6) can pass is arranged on the pressing cover (3); the second channel (301) and the first channel (201) are coaxially arranged.
2. The long-diameter-multiplying drill body machining tool according to claim 1, characterized in that a deformation opening (202) is formed in the outer side wall of the expansion sleeve (2); the open end of the deformation opening (202) faces the small-caliber end of the conical channel (101).
3. The long-diameter-multiplying drill body machining tool according to claim 1, characterized in that a deformation notch (203) is formed in one end, close to the large-diameter end of the conical channel (101), of the outer side wall of the expansion sleeve (2).
4. The long-diameter drill body machining tool according to claim 1, wherein the caliber size of the second channel (301) is larger than the caliber size of the first channel (201); the caliber size of the first channel (201) is smaller than the outer diameter size of the small end of the expansion sleeve (2).
5. The long-diameter drill body machining tool according to claim 1, wherein the pressing cover (3) is in threaded connection with the sleeve (1).
6. The long-diameter drill body machining tool according to claim 5, wherein a plurality of locking grooves (302) are formed in the end face, on the side, away from the expansion sleeve (2), of the pressing cover (3) and around the opening of the second channel (301).
7. The long-diameter drill body machining tool according to claim 6, characterized in that the pressing cover (3) is provided with four locking grooves (302); the four locking grooves (302) are distributed in a cross shape.
8. The long-diameter drill body machining tool according to claim 7, further comprising a locking wrench (4) for locking the pressing cover (3); the locking wrench (4) comprises a first handle (401) and a locking part (402) arranged at one end of the first handle (401); a plurality of locking pieces (403) are arranged on the locking part (402); the locking member (403) can be inserted into the locking groove (302) in the corresponding position.
9. The long-diameter drill body machining tool according to claim 8, wherein the locking piece (403) is an inner hexagonal screw.
10. The long-diameter drill body machining tool according to claim 4, characterized by further comprising a disassembling wrench (5) for disassembling the expansion sleeve (2); the disassembling wrench (5) comprises a second handle (501) and a disassembling part (502) arranged at one end of the second handle (501); the disassembling part (502) is provided with an arc boss (503); the arc boss (503) can extend into the second channel (301) and is abutted against the small end face of the expansion sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222839895.0U CN218487764U (en) | 2022-10-27 | 2022-10-27 | Long-diameter-multiplying drill body machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222839895.0U CN218487764U (en) | 2022-10-27 | 2022-10-27 | Long-diameter-multiplying drill body machining tool |
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| Publication Number | Publication Date |
|---|---|
| CN218487764U true CN218487764U (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222839895.0U Active CN218487764U (en) | 2022-10-27 | 2022-10-27 | Long-diameter-multiplying drill body machining tool |
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| CN (1) | CN218487764U (en) |
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- 2022-10-27 CN CN202222839895.0U patent/CN218487764U/en active Active
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