CN113695681A - Inner chamber processing knife rest assembly - Google Patents
Inner chamber processing knife rest assembly Download PDFInfo
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- CN113695681A CN113695681A CN202111096815.0A CN202111096815A CN113695681A CN 113695681 A CN113695681 A CN 113695681A CN 202111096815 A CN202111096815 A CN 202111096815A CN 113695681 A CN113695681 A CN 113695681A
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- tool rest
- tool
- inner cavity
- cutter
- tool holder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
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- Engineering & Computer Science (AREA)
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The application relates to an inner cavity machining tool rest assembly, including first tool rest (100), second tool rest (200) and cutter (300), the first end detachably of first tool rest (100) is installed on lathe ram (400), the second end of first tool rest (100) extends along first direction, the first end of second tool rest (200) with the second end of first tool rest (100) can be dismantled continuously, the second end of second tool rest (200) extends along the second direction is flexible, the second direction with the first direction is crossing, cutter (300) detachably install in the second end of second tool rest (200). The scheme can solve the problem that the inner cavity of the workpiece is difficult to process in the prior art.
Description
Technical Field
The invention relates to the technical field of auxiliary tools, in particular to an inner cavity machining tool rest assembly.
Background
At present, the conventional method for processing the inner cavity of the crown of the water turbine is to vertically clamp a workpiece, then directly process a cutter on a ram, and if the depth of an opening from the inner cavity is large and the diameter of the opening is large enough, a horizontally lengthened cutter rest can be used for processing.
However, there are two problems with the use of horizontally elongated tool holders: firstly, in order to process the deepest part, a longer horizontal lengthened tool rest is needed, the tool rest is easy to interfere with a workpiece because a ram cannot pass through the center of a cross beam of a lathe, and the tool rest cannot be opened into an inner cavity of the workpiece; secondly, in order to solve the first problem, the tool rest can be installed on the ram through the workpiece inner cavity, but because the opening diameter is small, an operator can not get in and out of the workpiece inner cavity, and in addition, the tool setting and the blade replacement can not be carried out normally in the machining process. Therefore, the traditional method for machining the small opening inner cavity of the crown of the water turbine by the lathe is not feasible.
Of course, cavities in other workpieces also present the problems described above.
Disclosure of Invention
Therefore, it is necessary to provide an inner cavity machining tool rest assembly for solving the problem that the inner cavity of a workpiece is difficult to machine in the prior art.
In order to solve the problems, the invention adopts the following technical scheme:
the embodiment of the invention discloses an inner cavity machining tool rest assembly which comprises a first tool rest, a second tool rest and a cutter, wherein the first end of the first tool rest is detachably arranged on a ram of a machine tool, the second end of the first tool rest extends along a first direction, the first end of the second tool rest is detachably connected with the second end of the first tool rest, the second end of the second tool rest extends in a telescopic manner along a second direction, the second direction is intersected with the first direction, and the cutter is detachably arranged at the second end of the second tool rest.
In one embodiment, the first tool rest further comprises a plurality of connecting bolts, the first tool rest comprises a mounting seat and an extending portion which are connected with each other, the extending portion extends along the first direction, the machine tool ram is provided with connecting grooves, the machine tool ram is provided with first adjusting holes which are distributed at intervals along the second direction, the mounting seat is provided with first connecting holes corresponding to the first adjusting holes, and the connecting bolts can penetrate through the first adjusting holes and the first connecting holes so as to fix parts of the mounting seat in the connecting grooves.
In one embodiment, the machine tool ram is provided with second adjusting holes distributed along the first direction, the mounting seat is provided with second connecting holes corresponding to the second adjusting holes, and the connecting bolt can penetrate through the second adjusting holes and the second connecting holes so as to fix part of the mounting seat in the connecting groove.
In one embodiment, one of the mounting seat and the connecting groove is provided with a clamping groove, and the other one of the mounting seat and the connecting groove is provided with a clamping bulge, and the clamping groove is in clamping fit with the clamping bulge.
In one embodiment, the first tool holder further comprises a connecting rib, and the connecting rib connects the mounting seat and the extending portion.
In one embodiment, the second end of the second tool holder is provided with a fitting comprising two oppositely disposed coupling plates, between which the tool is mounted.
In one embodiment, the connecting plate is provided with a plurality of third adjusting holes distributed at intervals along the length direction and the width direction of the connecting plate, and the through holes in the cutter are connected and matched with the third adjusting holes through bolts.
In one embodiment, the second end of the first tool rest is provided with fourth adjusting holes distributed at intervals along the second direction, and the through hole on the first end of the second tool rest is matched with the fourth adjusting holes through bolt connection.
In one embodiment, the first tool holder and the second tool holder are both made of 45-alloy steel.
In one embodiment, the cutter comprises a blade, and the blade is an R8 arc knife.
The technical scheme adopted by the invention can achieve the following beneficial effects:
in the tool rest assembly for processing the inner cavity disclosed by the embodiment of the invention, the first tool rest and the second tool rest extend along two intersecting directions, so that a cutter connected on the second tool rest can extend to a part to be processed in the inner cavity of the workpiece, the inner cavity of the workpiece can be processed under the condition that a ram of a machine tool does not need to enter the inner cavity of the workpiece, and the dimensional precision and the processing efficiency can be ensured. Moreover, the inner cavity machining tool rest assembly is simple in structure, convenient to operate and high in universality, and can be used at other parts which exceed the stroke of a machine tool and cannot be machined, so that the positions which are difficult to machine in the inner cavity of the workpiece can be machined conveniently.
Drawings
FIG. 1 is a schematic view of a cavity machining tool holder assembly according to an embodiment of the present invention in use;
fig. 2 is a schematic structural diagram of an inner cavity machining tool rest assembly disclosed in an embodiment of the invention.
Description of reference numerals:
100-a first tool rest, 110-a mounting seat, 111-a clamping groove, 120-an extending part, 130-a connecting rib, 200-a second tool rest, 210-an assembly part, 300-a cutter, 400-a machine tool ram, 411-a clamping protrusion, 500-a connecting bolt and 600-a workpiece.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-2, the embodiment of the present invention discloses an internal cavity machining tool holder assembly, which includes a first tool holder 100, a second tool holder 200, and a tool 300.
The first tool holder 100 and the second tool holder 200 are main body components of the internal cavity machining tool rest assembly, and optionally, the cross sections of the main body of the first tool holder 100 and the main body of the second tool holder 200 can be rectangular, in this case, the strength of the first tool holder 100 and the second tool holder 200 is high, so that the subsequent machining effect can be prevented from being influenced, and the integral assembly of the internal cavity machining tool rest assembly is facilitated.
The first end of the first tool rest 100 is detachably mounted on the machine tool ram 400, that is, the first section of the first tool rest 100 may be mounted on the machine tool ram 400 in a clamping, sleeving or threaded manner, so that the machine tool ram 400 can drive the first tool rest 100 to move.
The second end of the first tool holder 100 extends along a first direction, in this case, the first direction may be a direction away from the ram 400 of the machine tool so as to machine an inner cavity of the workpiece 600, the first end of the second tool holder 200 may be detachably connected to the second end of the first tool holder 100, that is, the first end of the second tool holder 200 may be detachably connected to the second end of the first tool holder 100 by means of snap-fit, socket-fit, or threaded connection, and the second end of the second tool holder 200 extends telescopically along a second direction, in this case, the second end of the second tool holder 200 may be a telescopic structure, the second direction intersects with the first direction, the tool 300 is detachably mounted to the second end of the second tool holder 200, and accordingly, the tool 300 may be detachably mounted to the second end of the second tool holder 200 by means of snap-fit, socket-fit, or threaded connection.
As can be seen from the above, in the tool rest assembly for processing an inner cavity disclosed in the embodiment of the present invention, the first tool rest 100 and the second tool rest 200 extend in two intersecting directions, so that the tool 300 connected to the second tool rest 200 can extend to a portion of the inner cavity of the workpiece 600 to be processed, and thus, the inner cavity of the workpiece 600 can be processed without entering the inner cavity of the workpiece 600 by the ram 400 of the machine tool, and the dimensional accuracy and the processing efficiency can be ensured. Moreover, the inner cavity machining tool rest assembly is simple in structure, convenient to operate and high in universality, and can be used at other parts which exceed the stroke of a machine tool and cannot be machined, so that the positions which are difficult to machine in the inner cavity of the workpiece 600 can be machined conveniently.
Optionally, the workpiece 600 may be a water turbine, and the tool rest assembly may be processed through the inner cavity to process a small opening inner cavity of a crown of the water turbine, so as to solve the problem that the small opening inner cavity of the crown of the water turbine is difficult to process.
The inner cavity machining tool holder assembly disclosed by the embodiment of the invention can further comprise a plurality of connecting bolts 500, the first tool holder 100 can comprise the connecting mounting seat 110 and the extending part 120, please refer to fig. 2, the extending part 120 can extend along a first direction, namely the extending part 120 can extend along a direction far away from the ram 400 of the machine tool, the cross section of the extending part 120 can be rectangular to ensure the strength of the extending part 120, when the inner cavity machining tool holder assembly is assembled, one end of the extending part 120 is fixedly connected with the mounting seat 110, and the other end of the extending part 120 is detachably connected with the first section of the second tool holder 200.
Meanwhile, the machine tool ram 400 may be provided with a connecting groove, the machine tool ram 400 may be provided with first adjusting holes spaced apart from each other in the second direction, the mounting base 110 may be provided with a first connecting hole corresponding to the first adjusting hole, and the connecting bolt 500 may pass through the first adjusting hole and the first connecting hole to fix a portion of the mounting base 110 in the connecting groove. The mounting base 110 can be better mounted on the ram 400 of the machine tool by a plurality of connecting bolts 500, so that the mounting stability of the whole inner cavity machining tool rest assembly is better.
Further, the ram 400 of the machine tool may be provided with second adjusting holes distributed along the first direction, the mounting base 110 may be provided with second connecting holes corresponding to the second adjusting holes, and the connecting bolt 500 may pass through the second adjusting holes and the second connecting holes to fix a portion of the mounting base 110 in the connecting grooves. Under the condition, the first adjusting hole and the second adjusting hole are formed in the machine tool ram 400 in different directions, so that the mounting seat 110 can be fixed at different positions, the mounting seat 110 is better fixed in the connecting groove, the mounting stability of the whole inner cavity machining tool rest assembly is better, and the size precision and the machining efficiency of a machined part can be further ensured.
In an alternative embodiment, one of the mounting base 110 and the connecting slot may be provided with a slot 111, and the other may be provided with a locking protrusion 411, that is, the mounting base 110 may be provided with the slot 111, and the connecting slot may be provided with the locking protrusion 411; or the mounting base 110 may be provided with a locking protrusion 411, the connecting slot may be provided with a locking slot 111 therein, and the locking slot 111 may be in locking engagement with the locking protrusion 411. Under this kind of circumstances, through the joint cooperation of draw-in groove 111 with screens arch 411 to guarantee the installation accuracy of mount pad 110, thereby can promote the installation effect of whole inner chamber processing knife rest assembly, and then can guarantee the size precision and the machining efficiency of processing portion.
Accordingly, to further increase the strength of the inner cavity machining tool holder assembly, the first tool holder 100 may further include a connecting rib 130, and the connecting rib 130 may connect the mounting base 110 and the extension 120. Specifically, as shown in fig. 2, the connecting rib 130 may be fixed at the connection position of the mounting seat 110 and the extending portion 120 by welding or bonding, so that while the connection stability of the mounting seat 110 and the extending portion 120 is ensured, the connection position of the mounting seat 110 and the extending portion 120 is prevented from being changed, which may affect the processing effect.
In the disclosed embodiment, the second end of the second tool holder 200 may be provided with a fitting 210, and the fitting 210 may include two coupling plates disposed opposite to each other, and the cutter 300 may be mounted between the two coupling plates. At this time, the assembly member 210 can provide an installation position for the cutter 300 so as to facilitate installation and replacement of the cutter 300, thereby improving working efficiency, and the assembly member 210 has a simple structure so as to facilitate machine-shaping. Specifically, the tool 300 may be mounted to the fitting 210 by a snap fit or a threaded connection, or the like. Of course, the assembly member 210 may also be a component of other structures, which is not limited in this embodiment of the present invention.
Further, the connecting plate can be provided with a plurality of third adjusting holes distributed at intervals along the length direction and the width direction of the connecting plate, and the through holes in the cutter 300 can be connected and matched with the third adjusting holes through bolts. Under this condition, cutter 300 can set up between two connecting plates through threaded connection to and, the through-hole on cutter 300 can with along the length direction of connecting plate and width direction interval distribution's a plurality of third regulation hole phase-matchs, at this moment, through the cooperation of the through-hole on cutter 300 with the third regulation hole of different positions, thereby can adjust cutter 300's position and angle, so that the different positions in the processing inner chamber, and then can improve the processing effect.
In the embodiment of the present invention, the second end of the first tool holder 100 may be provided with fourth adjusting holes distributed at intervals along the second direction, and the through hole on the first end of the second tool holder 200 may be matched with the fourth adjusting holes through a bolt connection. In this case, the through hole on the first end of the second tool holder 200 is matched with the fourth adjusting hole at a different position, so that the second end of the second tool holder 200 can be extended and retracted along the second direction, thereby facilitating the processing at a different position in the inner cavity.
In the embodiment disclosed by the invention, through mechanical tests, the first tool holder 100 and the second tool holder 200 can be made of No. 45 alloy steel. Compared with other materials, the 45 # alloy steel has better mechanical property, so that the first tool rest 100 and the second tool rest 200 made of the materials have better hardness, and the overall stability of the inner cavity machining tool assembly is improved.
In an alternative embodiment, the cutter 300 may include a blade 310, and the blade 310 may be an R8 circular arc cutter. The cutting part of the R8 arc knife has a certain angle with the handle of the knife, so that the cutter 300 can be processed from top to bottom without leaving a knife-connecting mark, the processing efficiency is improved, and the surface processing quality is ensured.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The inner cavity machining tool rest assembly is characterized by comprising a first tool rest (100), a second tool rest (200) and a cutter (300), wherein the first end of the first tool rest (100) is detachably mounted on a ram (400) of a machine tool, the second end of the first tool rest (100) extends along a first direction, the first end of the second tool rest (200) is detachably connected with the second end of the first tool rest (100), the second end of the second tool rest (200) extends in a second direction in a telescopic mode, the second direction is intersected with the first direction, and the cutter (300) is detachably mounted at the second end of the second tool rest (200).
2. The toolholder assembly according to claim 1, further comprising a plurality of connecting bolts (500), wherein the first toolholder (100) includes a mounting block (110) and an extension portion (120) connected to each other, the extension portion (120) extends along the first direction, the ram (400) has a connecting groove formed therein, the ram (400) has first adjusting holes spaced apart along the second direction, the mounting block (110) has a first connecting hole corresponding to the first adjusting hole, and the connecting bolts (500) pass through the first adjusting holes and the first connecting hole to fix a portion of the mounting block (110) in the connecting groove.
3. The inner cavity machining toolholder assembly as set forth in claim 2, wherein the ram (400) defines second adjustment holes distributed along the first direction, the mounting block (110) defines second attachment holes corresponding to the second adjustment holes, and the attachment bolt (500) is configured to pass through the second adjustment holes and the second attachment holes to secure portions of the mounting block (110) within the attachment grooves.
4. The tool holder assembly for cavity machining according to claim 2, wherein one of the mounting base (110) and the connecting groove is provided with a clamping groove (111), and the other one of the mounting base and the connecting groove is provided with a clamping protrusion (411), and the clamping groove (111) is in clamping fit with the clamping protrusion (411).
5. The inner cavity machining tool holder assembly according to claim 2, wherein the first tool holder (100) further comprises a connecting rib (130), and the connecting rib (130) connects the mounting seat (110) and the extension portion (120).
6. The inner cavity machining tool holder assembly according to claim 1, wherein the second end of the second tool holder (200) is provided with a fitting (210), the fitting (210) comprising two connecting plates which are oppositely distributed, and the cutter (300) is mounted between the two connecting plates.
7. The tool rest assembly for inner cavity machining according to claim 6, wherein the connecting plate is provided with a plurality of third adjusting holes which are distributed at intervals along the length direction and the width direction of the connecting plate, and the through holes on the cutter (300) are matched with the third adjusting holes through bolt connection.
8. The tool rest assembly for cavity machining according to claim 1, wherein the second end of the first tool rest (100) is provided with fourth adjusting holes spaced apart along the second direction, and the through hole in the first end of the second tool rest (200) is matched with the fourth adjusting holes through bolt connection.
9. The intracavity machining tool holder assembly of claim 1 wherein said first tool holder (100) and said second tool holder (200) are both 45 alloy steel.
10. The bore machining toolholder assembly according to claim 1, wherein the cutter (300) includes a blade (310), the blade (310) being an R8 radius cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111096815.0A CN113695681A (en) | 2021-09-23 | 2021-09-23 | Inner chamber processing knife rest assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111096815.0A CN113695681A (en) | 2021-09-23 | 2021-09-23 | Inner chamber processing knife rest assembly |
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| CN113695681A true CN113695681A (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111096815.0A Pending CN113695681A (en) | 2021-09-23 | 2021-09-23 | Inner chamber processing knife rest assembly |
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| CN109048465A (en) * | 2018-08-27 | 2018-12-21 | 宁夏共享精密加工有限公司 | A kind of vertical lathe ram is anti-to rub warning device |
| CN110480039A (en) * | 2019-09-12 | 2019-11-22 | 无锡航亚科技股份有限公司 | A kind of cutter and processing method for processing aero-engine welding disc intracoelomic cavity |
| CN111633224A (en) * | 2020-06-23 | 2020-09-08 | 贵州黎阳国际制造有限公司 | L-shaped composite ring groove cutting tool |
| CN212217117U (en) * | 2019-12-27 | 2020-12-25 | 陕西西咸新区富恒电器设备有限公司 | Boring cutter for boring on back of workpiece |
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Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201249279Y (en) * | 2008-05-27 | 2009-06-03 | 南车戚墅堰机车有限公司 | Vertical lath tool holder device |
| CN102950336A (en) * | 2011-08-27 | 2013-03-06 | 沈阳黎明航空发动机(集团)有限责任公司 | Special cutter and method for processing closed elongated inner cavity profile |
| CN103586495A (en) * | 2013-09-30 | 2014-02-19 | 沈阳黎明航空发动机(集团)有限责任公司 | Cutting tool of ultra-high-pressure inner-cooling structure and using method for cutting tool |
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| CN106424756A (en) * | 2016-08-26 | 2017-02-22 | 宁夏共享精密加工有限公司 | Machining method for vertical lathe for large-diameter end cover flange back |
| CN109048465A (en) * | 2018-08-27 | 2018-12-21 | 宁夏共享精密加工有限公司 | A kind of vertical lathe ram is anti-to rub warning device |
| CN110480039A (en) * | 2019-09-12 | 2019-11-22 | 无锡航亚科技股份有限公司 | A kind of cutter and processing method for processing aero-engine welding disc intracoelomic cavity |
| CN212217117U (en) * | 2019-12-27 | 2020-12-25 | 陕西西咸新区富恒电器设备有限公司 | Boring cutter for boring on back of workpiece |
| CN111633224A (en) * | 2020-06-23 | 2020-09-08 | 贵州黎阳国际制造有限公司 | L-shaped composite ring groove cutting tool |
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