CN110732695A - Machine presss from both sides detachable deep hole reducing boring cutter device - Google Patents
Machine presss from both sides detachable deep hole reducing boring cutter device Download PDFInfo
- Publication number
- CN110732695A CN110732695A CN201911024193.3A CN201911024193A CN110732695A CN 110732695 A CN110732695 A CN 110732695A CN 201911024193 A CN201911024193 A CN 201911024193A CN 110732695 A CN110732695 A CN 110732695A
- Authority
- CN
- China
- Prior art keywords
- jaw
- boring
- guide rail
- spindle nut
- spiral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
- B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
- B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
- B23B27/1685—Adjustable position of the cutting inserts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
A machine-clamped detachable deep hole diameter-changing boring tool device comprises a boring tool bit and a control connection mechanism, wherein a jaw guide rail cover of the boring tool bit is provided with a hollowed I-shaped guide rail, a spiral groove with an Archimedes spiral line is arranged on the surface of a spiral disc, a th guide block jaw and a cutter jaw are respectively embedded into the spiral groove through the hollowed I-shaped guide rail, a rotating handle in the control connection mechanism drives an outer mandrel to rotate, so that the spiral disc in the boring tool bit is driven to rotate, the cutter jaw and the guide block jaw generate synchronous radial free movement in the spiral groove and the I-shaped guide rail, diameter-changing adjustment of the boring tool is realized, coaxiality between different apertures in a machining process and stability of the cutter in the machining process are ensured, and the machine-clamped detachable deep hole diameter-changing boring tool device has the advantages of reasonable structure, accuracy, reliability, simplicity in operation and low efficiency and high machining cost, and can be widely used for inner reaming of various diameter-.
Description
Technical Field
The invention belongs to a boring cutter in the field of deep hole machining, and particularly relates to an machine-clamped detachable deep hole reducing boring cutter device.
Background
At present, in a traditional deep hole inner expanding cutter, a cutter is difficult to realize radial free expansion, so that the expanding allowance is small, a self-guiding function and a forced chip removal function are not provided, the rigidity requirement of the cutter is difficult to ensure, the vibration is large in the machining process, and the quality of a machined workpiece is not ideal.
The conventional variable-diameter boring tool generally comprises a boring bar, a guide block, a variable-diameter device, a driving device and the like, wherein the variable-diameter device realizes the variable diameter of the tool by utilizing the movement of a mandrel and relying on an inclined surface, and the guide block is fixed on the excircle of the boring bar, so that the guide block of the variable-diameter boring tool cannot realize radial movement like the tool .
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide machine-clamped detachable deep hole diameter-changing boring cutter devices, which can realize the diameter-changing purpose aiming at the hole-expanding processing of a section in a processed through hole, form expected high-precision inner hole expansion, simultaneously realize the radial free expansion of a cutter and a guide block at the same time, ensure the coaxiality between different apertures and the stability of the cutter in the processing process, have the advantages of simplicity and easiness, reasonable structure, accuracy and reliability and low processing cost, and can be widely used for the inner hole expansion processing of various diameter-changing deep holes or straight-through deep holes by .
In order to achieve the purpose, the invention adopts the following technical scheme:
machine clamp detachable deep hole reducing boring cutter device, which comprises a boring cutter head and a control connection mechanism, wherein the boring cutter head comprises an end cover 1, the inner side of the end cover 1 is fixedly connected with a jaw guide rail cover 2 through a screw, a side cover face of the jaw guide rail cover 2 contacting the end cover 1 is provided with a hollowed I-shaped guide rail 3, the other side of the jaw guide rail cover 2 is provided with a spiral disc 4, the side disc face of the spiral disc 4 contacting the jaw guide rail cover 2 is provided with a spiral groove 5, an guide block jaw 6, a second guide block jaw 7 and a cutter jaw 8 are respectively embedded into the spiral groove 5 through the hollowed I-shaped guide rail 3, the other 6325 side of the spiral disc 4 is provided with a spiral disc protrusion 9, the outer end of the spiral disc protrusion 9 is sleeved with a deep groove end of a rotary mandrel 10, the other end of the rotary mandrel 10 is provided with a boss 11, the outer sleeves of the spiral disc 4 and the rotary mandrel 10 are provided with a boring rod A12, the end of the boring rod A12 is fixedly connected with the guide rail cover 392 through a screw, the end of the rotary mandrel 638, the rotary mandrel is sleeved with a cylindrical nut 6313, the cylindrical nut, the cylindrical inner wall of the cylindrical nut is provided with a cylindrical nut, the cylindrical nut 3, the cylindrical nut 3 is sleeved with a cylindrical nut, the cylindrical nut 15 is sleeved with cylindrical;
the control connecting mechanism comprises a boring rod B21, wherein an internal thread is arranged at the end of the boring rod B21 , the internal thread is matched and connected with an external thread of a boring head boring rod A12, an external positioning device 22, a rotating handle 23 and a locking nut B24 are sequentially arranged at the other end of the boring rod B21, an outer mandrel 20 is further arranged in the boring rod B21, the end of the outer mandrel 20 is fixedly connected with the inner wall of a boss 11 of the boring head rotating mandrel 10 through a flat key B27, the other end of the outer mandrel 20 penetrates through the centers of the external positioning device 22, the rotating handle 23 and the locking nut B24, and the outer mandrel 20 is fixedly connected with the rotating handle 23 through a flat key A26.
Three guide blocks 25 are radially and equidistantly arranged at the middle section of the periphery of the boring bar A12.
The spiral groove 5 adopts an Archimedes spiral line.
The th guide block jaw 6 and the second guide block jaw 7 are identical in structure, and the th guide block jaw 6, the second guide block jaw 7 and the cutter jaw 8 are distributed radially at an angle of 120 degrees.
The th guide block claw 6, the second guide block claw 7 and the cutter claw 8 are saw-shaped teeth at the bottom.
The width and the depth of the sawtooth are matched and adapted with the spiral groove 5.
The cutter jaws 8 are provided with replaceable mechanically clamped blades.
The invention drives the outer mandrel 20 to rotate by controlling the rotating handle 1 in the connecting mechanism, and further drives the inner spiral disk 4 of the boring cutter head to rotate, so that the cutter jaw 8, the guide block jaw 6 and the guide block jaw 7 freely stretch out and draw back in the radial direction in the spiral groove 5 and the I-shaped guide rail 3, the diameter-changing adjustment of the boring cutter is realized, the coaxiality between different apertures in the processing process and the stability of the cutter in the processing process are ensured, because the spiral groove 5 adopts an Archimedes spiral line structure, the invention has high adjustment precision and meets the precision requirement of mechanical processing, and the operation process advances steps, the invention realizes the adjustment of the cutting diameter of the boring cutter outside the deep hole by rotating the handle 23, does not need to withdraw and feed the cutter for many times, greatly shortens the processing time, and the pre-hole with the required diameter is firstly turned in the through hole, then the mechanical processing blade is replaced, and the expected inner clamping type hole-expanding is processed by push boring and pull boring.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an external perspective view of the boring head of the present invention.
Fig. 3 is an exploded perspective view of the boring head of the present invention.
Fig. 4 is a schematic view of a jaw guide cover of the present invention.
FIG. 5 is a schematic view of the spiral groove of the present invention.
Fig. 6 is a perspective view of a guide block jaw of the present invention.
Fig. 7 is a perspective view of the tool jaw of the present invention.
Fig. 8 is a cross-sectional view taken along line a-a of fig. 1 in accordance with the present invention.
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 1 in accordance with the present invention.
Fig. 10 is a cross-sectional view taken along line C-C of fig. 1 in accordance with the present invention.
In the drawing, the device comprises an end cover 1, a jaw guide rail cover 2, an I-shaped guide rail 3, an I-shaped guide rail 4, a spiral disc 5, a spiral groove 6, an th guide block jaw 7, a second guide block jaw 8, a cutter jaw 9, a spiral disc bulge 10, a rotating mandrel 11, a boss 12, a boring rod A13, an annular boss 12, a thrust ball bearing 14, a thrust ball bearing 15, a deep groove ball bearing A16, a sleeve 16, a deep groove ball bearing B17, a gasket 18, a gasket 19, a locking nut A20, an outer mandrel 21, a boring rod B22, an external positioning device 23, a rotating handle 24, a locking nut B25, a guide block 26, a flat key A27 and a flat key B.
Detailed Description
The invention is further described in conjunction with the drawing.
Referring to fig. 1 to 3, machine clamp detachable deep hole reducing boring tool device comprises a boring tool bit and a control connection mechanism, wherein the boring tool bit comprises an end cover 1, the inner side of the end cover 1 is fixedly connected with a jaw guide rail cover 2 through a screw, a hollow-out i-shaped guide rail 3 is arranged on a cover surface of side of the jaw guide rail cover 2 contacting the end cover 1, a spiral disc 4 is arranged on the other side of the jaw guide rail cover 2, a spiral groove 5 is arranged on a disc surface of side of the spiral disc 4 contacting the jaw guide rail cover 2, a guide block jaw 6 of 2, a guide block jaw 7 of a second guide block and a tool jaw 8 are respectively embedded into the spiral groove 5 through the hollow-out i-shaped guide rail 3, so that the guide block jaw 6 of a , the guide block jaw 7 of the second guide block and the tool jaw 8 can be freely extended and extended in the radial direction simultaneously, the coaxiality of different apertures in the processing process is ensured, a mandrel angles between the spiral disc 4 and a 6385 side is provided with a protrusion 9 of a disc, a is externally sleeved with a rotating end of a rotating disc, a rotating disc 6311, a rotating spindle nut is provided with a rotating spindle nut 3510, a rotating spindle nut 3514 a rotating disc is sleeved with a rotating spindle nut of a rotating spindle nut, a rotating spindle nut is arranged on an annular rotating disc, a spindle nut of a rotating spindle nut, a spindle nut of a rotating spindle nut, a spindle nut is arranged on a rotating spindle nut 3513, a rotating spindle is arranged on an annular rotating ring-shaped guide rail nut, a rotating spindle is arranged on a rotating spindle nut;
the control connecting mechanism comprises a boring rod B21, wherein an internal thread is arranged at the end of the boring rod B21 , the internal thread is matched and connected with an external thread of a boring head boring rod A12, an external positioning device 22, a rotating handle 23 and a locking nut B24 are sequentially arranged at the other end of the boring rod B21, an outer mandrel 20 is further arranged in the boring rod B21, the end of the outer mandrel 20 is fixedly connected with the inner wall of a boss 11 of the boring head rotating mandrel 10 through a flat key B27, the other end of the outer mandrel 20 penetrates through the centers of the external positioning device 22, the rotating handle 23 and the locking nut B24, and the outer mandrel 20 is fixedly connected with the rotating handle 23 through a flat key A26.
Referring to fig. 2, three guide blocks 25 are radially and equidistantly arranged in the middle section of the periphery of the boring bar a12, so that when the cutter body enters the through hole, the coaxiality of the inner reaming hole and the through hole is ensured.
Referring to fig. 5, the spiral groove 5 adopts an archimedes spiral line, so as to meet the high-precision requirement of processing.
The th guide block jaw 6 and the second guide block jaw 7 are identical in structure, and the th guide block jaw 6, the second guide block jaw 7 and the cutter jaw 8 are distributed radially at an angle of 120 degrees.
Referring to fig. 6 and 7, the th guide block jaw 6, the second guide block jaw 7 and the cutter jaw 8 are saw-shaped teeth at the bottom, and the guide block jaws have the functions of guiding and keeping stability during operation.
The width and the depth of the sawtooth are matched and adapted with the spiral groove 5.
The cutter claw 8 is provided with a replaceable mechanical clamping type blade, so that different operation requirements are met.
The working principle of the invention is as follows:
the invention sets a hollow I-shaped guide rail 3 on a jaw guide rail cover 2 of a boring cutter head, sets a spiral groove 5 with an Archimedes spiral line on the disk surface of a spiral disk 4, and embeds an th guide block jaw 6, a second guide block jaw 7 and a cutter jaw 8 into the spiral groove 5 through the hollow I-shaped guide rail 3 respectively, and drives an outer mandrel 10 to rotate by controlling a rotating handle 23 in a connecting mechanism, so as to drive the spiral disk 4 in the boring cutter head to rotate, so that the cutter jaw 8, the th guide block jaw 6 and the second guide block jaw 7 generate synchronous radial free movement in the spiral groove 5 and the I-shaped guide rail 3, thereby realizing the diameter-changing adjustment of the boring cutter, and the centering precision can reach between 0.05mm and 0.15 mm.
During processing, machine-clamped blades for processing pre-holes are firstly installed on the tool jaw 8 of the invention, the tool points of the machine-clamped blades and the tops of the other two guide blocks are not on the same circle of , the tool points of the machine-clamped blades are higher than the tops of the other two guide blocks by 2-3 mm, and the pre-holes are processed by the machine-clamped blades;
and then withdrawing the boring cutter, detaching the mechanical clamping type blade for machining the pre-hole, and replacing the mechanical clamping type blade for reaming, wherein the cutter point of the mechanical clamping type blade and the tops of the two guide blocks on the clamping jaws are in the same circles, and at the moment, the accurate machining of the inner reaming can be realized through push boring or pull boring.
It should be understood that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (7)
- The machine-clamp detachable deep-hole reducing boring cutter device comprises a boring cutter head and a control connection mechanism, and is characterized in that the boring cutter head comprises an end cover (1), the inner side of the end cover (1) is fixedly connected with a jaw guide rail cover (2) through a screw, a hollow I-shaped guide rail (3) is arranged on a side cover face of the jaw guide rail cover (2) contacting with the end cover (1), a spiral disc (4) is arranged on the other side of the jaw guide rail cover (2), a spiral groove (5) is arranged on a side disc face of the spiral disc (4) contacting with the jaw guide rail cover (2), a guide block jaw (6), a second guide block jaw (7) and a jaw (8) are respectively embedded into the spiral groove (5) through the hollow I-shaped guide rail (3), a spiral disc bulge (9) is arranged on the other side of the spiral disc (4) 2, a end of the spiral disc bulge (10) is sleeved outside the spiral disc (9), a boss (11) of the spiral disc (10) and a spindle nut (10) is sleeved with a rotary spindle nut (10), a spindle nut (13) is arranged on the outer periphery of a spindle nut (10), a spindle nut (10) and a spindle nut (13), a spindle nut (13) is sleeved on the spindle nut, a spindle nut (13) and a spindle nut, a spindle nut (13) is arranged on the spindle nut, a circular ring-shaped guide rail nut, a spindle nut (13) and a circular ring-shaped guide rail nut, a circular ring-shaped guide rail nut (13) and a circular groove (13) and a spindle nut, a spindle nut, a;the control connecting mechanism comprises a boring rod B (21), wherein an internal thread is arranged at the end of the boring rod B (21), the internal thread is matched and connected with an external thread of a boring head boring rod A (12), an external positioning device (22), a rotating handle (23) and a locking nut B (24) are sequentially arranged at the other end of a boring rod B21, an outer mandrel (20) is further arranged in the boring rod B (21), the end of the outer mandrel (20) is fixedly connected with the inner wall of a boss (11) of a boring head rotating mandrel (10) through a flat key B (27), the other end of the outer mandrel (20) penetrates through the centers of the external positioning device (22), the rotating handle (23) and the locking nut B (24), and the outer mandrel (20) is fixedly connected with the rotating handle (23) through the flat key A (26).
- 2. The machine-clamped detachable deep hole reducing boring tool device according to claim 1, characterized in that: and three guide blocks (25) are radially and equidistantly arranged at the middle section of the periphery of the boring rod A (12).
- 3. The mechanical-clamp detachable deep-hole reducing boring cutter device according to claim 1, wherein the spiral groove (5) is an Archimedes spiral.
- 4. The machine-clamped detachable deep-hole reducing boring tool device as claimed in claim 1, wherein the th guide block jaw (6) and the second guide block jaw (7) are identical in structure, and the th guide block jaw (6), the second guide block jaw (7) and the tool jaw (8) are distributed radially at 120 degrees.
- 5. The machine-clamped detachable deep-hole reducing boring tool device as claimed in claim 1, wherein the th guide block jaw (6), the second guide block jaw (7) and the bottom of the tool jaw (8) are saw teeth.
- 6. The machine-clamped detachable deep-hole reducing boring tool device as claimed in claims 1 and 5, wherein: the width and the depth of the sawtooth are matched and adapted with the spiral groove (5).
- 7. The machine-clamped detachable deep hole reducing boring tool device according to claim 1, characterized in that: the cutter claw (8) is provided with a replaceable mechanical clamping type blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024193.3A CN110732695A (en) | 2019-10-25 | 2019-10-25 | Machine presss from both sides detachable deep hole reducing boring cutter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911024193.3A CN110732695A (en) | 2019-10-25 | 2019-10-25 | Machine presss from both sides detachable deep hole reducing boring cutter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110732695A true CN110732695A (en) | 2020-01-31 |
Family
ID=69271447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911024193.3A Pending CN110732695A (en) | 2019-10-25 | 2019-10-25 | Machine presss from both sides detachable deep hole reducing boring cutter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110732695A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3409568A1 (en) * | 1983-07-29 | 1985-02-07 | Everett Douglas Flint Mich. Hougen | HOLE CUTTER |
| CN202667712U (en) * | 2012-05-28 | 2013-01-16 | 无锡西姆莱斯石油专用管制造有限公司 | Double-boring cutter processing device for boring oil bushing |
| CN104607983A (en) * | 2014-12-10 | 2015-05-13 | 西安石油大学 | Deep hole inner wall blind hole machining tool |
| CN204524297U (en) * | 2015-03-13 | 2015-08-05 | 德州三嘉机器制造有限公司 | Numerical control deep-hole grooving boring tool |
| CN105598501A (en) * | 2016-03-31 | 2016-05-25 | 国营第六一六厂 | Converse boring processing device for intermittent deep hole |
| CN105945313A (en) * | 2016-06-23 | 2016-09-21 | 鞍钢重型机械有限责任公司 | Adjustable deep hole boring tool and adjusting method thereof |
-
2019
- 2019-10-25 CN CN201911024193.3A patent/CN110732695A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3409568A1 (en) * | 1983-07-29 | 1985-02-07 | Everett Douglas Flint Mich. Hougen | HOLE CUTTER |
| CN202667712U (en) * | 2012-05-28 | 2013-01-16 | 无锡西姆莱斯石油专用管制造有限公司 | Double-boring cutter processing device for boring oil bushing |
| CN104607983A (en) * | 2014-12-10 | 2015-05-13 | 西安石油大学 | Deep hole inner wall blind hole machining tool |
| CN204524297U (en) * | 2015-03-13 | 2015-08-05 | 德州三嘉机器制造有限公司 | Numerical control deep-hole grooving boring tool |
| CN105598501A (en) * | 2016-03-31 | 2016-05-25 | 国营第六一六厂 | Converse boring processing device for intermittent deep hole |
| CN105945313A (en) * | 2016-06-23 | 2016-09-21 | 鞍钢重型机械有限责任公司 | Adjustable deep hole boring tool and adjusting method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201524924U (en) | Special drill jig for processing holes perpendicular to gear inclined radial plate surface | |
| CN103537748B (en) | Machine cut by pipe | |
| CN212217131U (en) | Manual clamping chuck and laser cutting machine | |
| JP2013022694A (en) | Pipe cutter | |
| CN215510003U (en) | Self-centering tool for machining center hole in end face of shaft head | |
| CN210877613U (en) | Machine presss from both sides detachable deep hole reducing boring cutter | |
| CN111957989B (en) | Deep hole groove processing method | |
| CN202922283U (en) | Floating adjustable reamer clamp device | |
| CN104227418A (en) | Special machining equipment for flanged shaft | |
| CN110732695A (en) | Machine presss from both sides detachable deep hole reducing boring cutter device | |
| CN104625733A (en) | Rotary type machining device for parts with holes | |
| CN204867654U (en) | It is portable from feeling relieved accurate pipeline groove cutting machine | |
| CN204413588U (en) | Rotary hollow part processing unit (plant) | |
| CN211840281U (en) | Rotary type porous drilling machine fixture for thin-wall sleeve part | |
| CN214724541U (en) | Round tube cutting device | |
| CN214602002U (en) | Porous workpiece clamping mechanism matched with three-jaw chuck for use | |
| CN104690581A (en) | Valve body turning method | |
| CN104057161A (en) | Internal thread tapper and tapping method thereof | |
| CN209094611U (en) | A kind of long cone hole machine device | |
| CN219074418U (en) | Lathe tailstock centering chuck | |
| CN211248664U (en) | Tapping device special for threaded hole | |
| CN221389975U (en) | Axial clamping and positioning device for bar machining | |
| CN215616518U (en) | Cutter clamp for processing spindle nose type parts by horizontal boring machine | |
| CN214212273U (en) | Clamping fixture for compressor impeller | |
| CN104084602A (en) | Turning device for regularly polygonal workpieces |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200131 |
|
| RJ01 | Rejection of invention patent application after publication |