CN213033679U - Boring cutter with adjustable it is radial - Google Patents
Boring cutter with adjustable it is radial Download PDFInfo
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- CN213033679U CN213033679U CN202020596052.0U CN202020596052U CN213033679U CN 213033679 U CN213033679 U CN 213033679U CN 202020596052 U CN202020596052 U CN 202020596052U CN 213033679 U CN213033679 U CN 213033679U
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Abstract
The utility model provides a boring cutter with adjustable it is radial, in order to solve among the prior art boring cutter extension length can not adjust the technical problem who leads to the hole aperture to appear the spot facing work difficulty that changes, it includes the base, the top cap, radial adjusting part and a plurality of tool bit, top cap detachable lid is located on the base, the top cap radially is formed with a plurality of radial recesses along it, in the radial recess of movable mounting of tool bit one-to-one, be formed with on the tool bit and be used for installing in the mounting groove of blade, radial adjusting part installs between base and top cap, a position for adjusting the tool bit along the length direction of radial recess.
Description
Technical Field
The invention relates to the technical field of boring in metal processing, in particular to a radial adjustable boring cutter.
Background
The boring cutter is one of hole machining cutters, is often used on a boring machine, a lathe or a milling machine, and is most commonly used for inner hole machining, hole expanding, profiling and the like, so that the effects of expanding the hole diameter, improving the precision and reducing the surface roughness are achieved. In the traditional boring machine, a boring cutter is directly arranged in a machine tool main shaft to be fixedly connected with the machine tool main shaft, the extending length of the cutter cannot be adjusted, boring cutters with different specifications are required to be replaced for hole machining with changed hole diameters of inner holes, and the adoption of a single boring cutter is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model provides a boring cutter with adjustable it is radial to solve among the prior art boring cutter extension length can not adjust the technical problem that leads to the hole processing difficulty that the hole aperture appears changing.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a boring cutter with adjustable it is radial, includes base, top cap, radial adjusting part and a plurality of tool bit, and top cap detachable lid is located on the base, and the top cap radially is formed with a plurality of radial recesses along it, in the radial recess of movable mounting of tool bit one-to-one, is formed with the mounting groove that is used for installing in the blade on the tool bit, and radial adjusting part installs between base and top cap for along the position of the length direction regulation tool bit of radial recess.
Adopt the utility model provides a boring cutter with adjustable it is radial, because the top cap radially is formed with a plurality of radial recesses along it, in the radial recess of movable mounting of tool bit one-to-one, be formed with on the tool bit and be used for installing in the mounting groove of blade, when the hole that changes appears in needs processing hole aperture, adjust radial adjusting part, make the tool bit stretch out or retract along the length direction of radial recess, the processing aperture that all can effectual regulation scald to it has the hole that changes to have realized processing hole aperture under the prerequisite of not changing the boring cutter.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings. The detailed description of the present invention is given by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a schematic perspective view of a radially adjustable boring tool according to an embodiment of the present invention;
fig. 2 is a schematic view of a three-dimensional explosion structure of a radially adjustable boring tool according to an embodiment of the present invention;
fig. 3 is a schematic view of the structure and installation of the bevel gear according to the embodiment of the present invention;
FIG. 4 is a schematic transmission diagram of a tool bit guide block according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a tool bit guide block according to an embodiment of the present invention.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention. The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in simplified form and are not to precise scale, and are provided for convenience and clarity in order to facilitate the description of the embodiments of the present invention.
As shown in fig. 1 to 5, the present embodiment discloses a radially adjustable boring cutter, which includes a base 1, a top cover 2, a radial adjusting assembly 3, three cutter heads 4 and three blades 5.
It will be appreciated that the number of blades 4 and blades 5 may be increased or decreased depending on the application.
Wherein, the top cap 2 is detachably covered on the base 1, in some embodiments, the detachable connection of the top cap 2 and the base 1 adopts bolt fastening connection, in other embodiments, the direct clamping fit connection of the top cap and the base can also be adopted, in this embodiment, preferably the former, specifically, the base 1 comprises a base plate 11 and a connector 12 formed at the lower end of the base plate and used for connecting the boring machine equipment, the top cap 2 is in threaded connection with the upper end of the base plate through a plurality of connecting bolts 13, more specifically, 9 connecting bolts 13 are provided, 3 of the connecting bolts are screwed from the top end of the top cap 2, and 6 are screwed from the lower end of the base plate 11, so as to ensure the stable connection of the top cap 2 and the base plate 11.
Wherein, top cap 2 radially forms 3 radial recesses 2a along it, and 3 radial recess 2a evenly spaced distribution are in top cap 2, in the radial recess 2a of movable mounting of tool bit 2 one-to-one correspondence, be formed with on the tool bit 4 and be used for installing the mounting groove 4a in blade 5, as shown in fig. 2, radial adjusting part 3 is installed between base 1 and top cap 2 for along the length direction regulation tool bit 2's of radial recess 2a position.
Specifically, the radial adjusting assembly 3 includes three bevel gears 31, an adjusting plate 32 and a plurality of tool bit guide blocks 33, all bevel gears 31 are rotatably mounted on the base 1, and the axis of each bevel gear 31 is radially arranged along the base 1.
In this embodiment, the bevel gear 31 is rotatably mounted on the base 1, specifically: each bevel gear 31 comprises an inner end shaft 311, a bevel gear part 312, an outer end shaft 313 and a rotating ring 314, the bevel gears of the bevel gears are positioned on the bevel gear parts 312, wherein the inner end shaft 311 and the outer end shaft 313 are coaxially arranged, the bevel gear parts 312 are positioned between the inner end shaft 311 and the outer end shaft 313, and the rotating ring 314 is movably sleeved on the outer end shaft 313; the upper end of the chassis 11 is respectively provided with a first circular ring part 111 and a second circular ring part 112 which are coaxially arranged in a protruding manner, the second circular ring part 112 is positioned outside the first circular ring part 111, an annular groove 1a is formed between the first circular ring part 111 and the second circular ring part 112, 3 first arc-shaped grooves 11a are uniformly formed at the upper end of the first circular ring part 111 at intervals, 3 second arc-shaped grooves 11b are formed at the upper end of the second circular ring part 112 corresponding to the 3 first arc-shaped grooves 11a, and a third arc-shaped groove 11c is formed at one end of the second arc-shaped groove 11a close to the first circular ring part 111, wherein the inner diameters of the first arc-shaped grooves 11a, the second arc-shaped grooves 11b and the third arc-shaped grooves 11c are respectively consistent with the outer diameters of the inner end shaft 311, the outer end shaft 313 and the rotating ring 314, and when a bevel gear 31 is installed on the first circular ring part 111 and the second circular ring part 112, the inner end shaft 311, the outer end shaft 313 and the rotating ring 314 are respectively, The conical teeth part 312 of the second arc-shaped groove 11b and the third arc-shaped groove 11c are positioned in the annular groove 1a, and the lower end of the top cover 2 also forms the arc-shaped grooves matched with the first arc-shaped groove 11a, the second arc-shaped groove 11b and the third arc-shaped groove 11c, so that any bevel gear 31 can rotate on the base 1.
The adjusting disk 32 is installed between the base 1 and the top cover 2, the specific installation mode is that an umbrella-shaped inclined insection 321 is formed on the lower surface of the adjusting disk 32, the bevel teeth of the bevel gears 31 are matched with the umbrella-shaped inclined insection 321, and due to the adoption of the installation mode, the axes of the three bevel gears 31 are positioned on the same horizontal plane, so the adjusting disk 32 can be stably installed on the upper ends of the bevel gears 31.
The upper surface of the adjusting disk 32 is formed with a spiral thread 322, it can be understood that the spiral thread 322 is a spiral thread which is circumferentially and outwardly divergent with the central axis of the adjusting disk 32, the cutter head guide blocks 33 are slidably mounted in the radial grooves 2a in a one-to-one correspondence manner, and the sliding of the cutter head guide blocks 33 in the radial grooves 2a is easily achieved by adopting a sliding chute and a sliding rail, which is not described herein; the head guide 33 has a rack 331 formed of a plurality of equally spaced racks 3311 at a lower end thereof, and the rack 331 is engaged with the spiral thread 322.
In order to rotate the bevel gear 31 and further rotate the adjusting disk 32, in this embodiment, an adjusting portion is formed at an end of the bevel gear 31 away from the axis of the base 1, and more specifically, the adjusting portion is a square opening 31a formed at an end of the corresponding bevel gear 31.
A limiting groove 33a is formed in the middle of the upper end of the cutter head guide block 33, bolt holes 33b are formed on both sides of the limiting groove 33a, a limiting protrusion 41 matched with the limiting groove 33a is formed on the lower end of the cutter head 4, and through holes 4b corresponding to the bolt holes 33b are formed on both sides of the limiting protrusion 41.
When in actual use, the mounting grooves 4a of the three tool bits 4 are positioned on the same circular circumference by the position arrangement of the limiting groove 33 a.
Install a gag lever post 21 in each radial recess 2a, the middle part of tool bit 4 is formed with the spacing hole 4c that runs through its both sides, and spacing hole 4c is the bar and length direction is unanimous with radial recess 2 a's length direction, and gag lever post 21 passes spacing hole 4c and links to each other in radial recess 2 a's lateral wall, and is specific, and gag lever post 21 is a stop bolt, and this stop bolt presets the countersunk head hole through radial recess 2 a's lateral wall and plays spacing and fixed effect to tool bit 4.
Wherein, the mounting groove 4a is located at one side of the upper portion of the corresponding cutter head 4 and is far away from the axis of the top cover 2, and each blade 5 is correspondingly mounted in the mounting groove 4a through a fastening screw 42.
Preferably, the top cover 2 is provided with a chip guide groove 2b near each mounting groove 4a along the cutting direction. The angle of the chip guide groove 2b is 120 °. When the boring cutter cuts a workpiece, cut chips leave the cutting surface along the chip guide grooves 2b, and the blade 5 is prevented from contacting the chips to accelerate blade abrasion.
The utility model discloses in the use, after the boring cutter is installed according to above-mentioned structure, on installing the boring cutter wholly to the lathe through connector 12, according to waiting to process the aperture size and confirming the processing radius, through square hole 31a rotatory bevel gear 31, bevel gear 31 drives the adjusting disk 32 rotatory, and then make vortex thread 322 rotatory, vortex thread 322 promotes rack portion 331 and moves along radial groove 2a, until blade 5 on tool bit 4 moves to the assigned position department, then further fasten the tool bit on top cap 2 through spacing bolt 21, ensure that tool bit 4 and tool bit guide block 33 can not move in the cutting process, when needing to change the aperture processing radius, loosen spacing bolt 21, make tool bit guide block 33 can along the motion of radial groove 2a, it can to repeat above-mentioned regulation step; the whole adjusting process is convenient and simple, the machining diameter can be adjusted without taking down the tool bit on the boring cutter, and the machining efficiency is improved.
To sum up, the utility model discloses at least, following advantage has:
(1) three tool bit 4 is circumference evenly arranged, and three tool bit 4 synchronous feed when adjusting the working diameter has guaranteed that tool bit 4's cutting torque is even stable when accelerating cutting efficiency, has alleviateed the eccentric load of tool bit 4 in work, and further the probability that has alleviateed the card sword is favorable to increasing tool bit 4's life.
(2) By adopting the transmission mode of the gear and the rack, the high-precision adjustment of the processing radius of the three blades 5 is ensured by utilizing the accurate transmission of the gear, so that the fine processing of the boring operation is realized, and the quality of the processed product is improved.
(3) Between tool bit 4 and tool bit guide block 33, all through bolted connection between base 1 and the top cap 2, dismantlement that can be convenient when inside part damages is changed.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way; the utility model can be smoothly implemented by the ordinary technicians in the industry according to the drawings and the above description; however, those skilled in the art should understand that changes, modifications and variations made by the above-described technology can be made without departing from the scope of the present invention, and all such changes, modifications and variations are equivalent embodiments of the present invention; meanwhile, any changes, modifications, evolutions, etc. of the above embodiments, which are equivalent to the actual techniques of the present invention, still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The radially adjustable boring cutter is characterized by comprising a base, a top cover, a radial adjusting component and a plurality of cutter heads, wherein the top cover is detachably covered on the base, a plurality of radial grooves are formed in the top cover along the radial direction of the top cover, the cutter heads are movably mounted in the radial grooves in a one-to-one correspondence manner, mounting grooves for mounting on blades are formed in the cutter heads, and the radial adjusting component is mounted between the base and the top cover and used for adjusting the positions of the cutter heads along the length direction of the radial grooves.
2. The radially adjustable boring tool according to claim 1, wherein the radial adjustment assembly comprises at least three bevel gears, an adjustment disc and a plurality of tool bit guide blocks, all the bevel gears are rotatably mounted on the base, the axis of each bevel gear is radially arranged along the base, the adjustment disc is mounted between the base and the top cover, the upper surface and the lower surface of the adjustment disc are respectively provided with a spiral thread and an umbrella-shaped inclined tooth pattern, the conical teeth of the bevel gears are matched with the umbrella-shaped inclined tooth patterns for rotating the bevel gears, the tool bit guide blocks are slidably mounted in the radial grooves in a one-to-one correspondence manner, the lower ends of the tool bit guide blocks are provided with rack portions formed by a plurality of racks arranged at equal intervals, and the rack portions are matched with the spiral thread; each cutter head is correspondingly arranged at the upper end of a cutter head guide block; and an adjusting part is formed at one end of at least one bevel gear far away from the axis of the base.
3. The radially adjustable boring tool as claimed in claim 2, wherein a limiting groove is formed in the middle of the upper end of the tool bit guide, a bolt hole is formed on at least one side of the limiting groove, a limiting protrusion is formed on the lower end of the tool bit to fit the limiting groove, and a through hole corresponding to the bolt hole is formed on at least one side of the limiting protrusion.
4. The radially adjustable boring tool as claimed in claim 2, wherein a stop bar is installed in each of the radial grooves, a stop hole is formed in the middle of the tool bit to penetrate through both sides of the tool bit, the stop hole is bar-shaped and has a length direction identical to that of the radial groove, and the stop bar penetrates through the stop hole and is connected to the sidewall of the radial groove.
5. The radially adjustable boring tool of claim 2, wherein the adjustment portion is a square mouth formed at an end of the corresponding bevel gear.
6. The radially adjustable boring tool as claimed in claim 1, wherein the mounting groove is located at one side of an upper portion of the corresponding tool bit and is located away from an axis of the top cap.
7. The radially adjustable boring tool as claimed in claim 5 further comprising a plurality of inserts, each insert being mounted in the mounting slot by a fastening screw.
8. The radially adjustable boring tool as claimed in claim 5, wherein the cap defines chip guide slots adjacent each of the mounting slots in the cutting direction.
9. The radially adjustable boring tool as claimed in claim 8 wherein the flute guide angle is 120 °.
10. The radially adjustable boring tool as claimed in claim 1, wherein the number of the tool bits is 3, and the top cover is formed with three radial grooves along a radial direction thereof, the three radial grooves being uniformly spaced on the top cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596052.0U CN213033679U (en) | 2020-04-20 | 2020-04-20 | Boring cutter with adjustable it is radial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596052.0U CN213033679U (en) | 2020-04-20 | 2020-04-20 | Boring cutter with adjustable it is radial |
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| Publication Number | Publication Date |
|---|---|
| CN213033679U true CN213033679U (en) | 2021-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020596052.0U Active CN213033679U (en) | 2020-04-20 | 2020-04-20 | Boring cutter with adjustable it is radial |
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| CN (1) | CN213033679U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669767A (en) * | 2022-03-24 | 2022-06-28 | 温岭市科宇自动化设备有限公司 | Fly cutter tool |
| CN116160030A (en) * | 2023-04-23 | 2023-05-26 | 强胜精密机械(苏州)有限公司 | Rotary cutting tool and cutting device |
-
2020
- 2020-04-20 CN CN202020596052.0U patent/CN213033679U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114669767A (en) * | 2022-03-24 | 2022-06-28 | 温岭市科宇自动化设备有限公司 | Fly cutter tool |
| CN116160030A (en) * | 2023-04-23 | 2023-05-26 | 强胜精密机械(苏州)有限公司 | Rotary cutting tool and cutting device |
| CN116160030B (en) * | 2023-04-23 | 2023-07-14 | 强胜精密机械(苏州)有限公司 | Rotary cutting tool |
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