CN211889040U - Adjustable coaxial hole machining tool - Google Patents
Adjustable coaxial hole machining tool Download PDFInfo
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- CN211889040U CN211889040U CN202020218244.8U CN202020218244U CN211889040U CN 211889040 U CN211889040 U CN 211889040U CN 202020218244 U CN202020218244 U CN 202020218244U CN 211889040 U CN211889040 U CN 211889040U
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- 238000003754 machining Methods 0.000 title claims abstract description 24
- 239000000956 alloy Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000005520 cutting process Methods 0.000 abstract description 5
- 230000002411 adverse Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000003801 milling Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Abstract
The utility model discloses a with axle hole machining cutter with adjustable belongs to the lathe work field. The movable tool rest is coaxially connected to the front end of the fixed tool rest, a mounting hole is formed in the fixed tool rest, the movable tool rest is inserted in the mounting hole, and a locking piece for adjusting the mounting length of the movable tool rest is arranged on the side wall of the fixed tool rest; the fixed tool rest and the movable tool rest are respectively fixed with a first boring blade and a second boring blade through an index head holder, and the index head holder is vertically fixed on the side walls of the fixed tool rest and the movable tool rest. The utility model discloses only with a cutter just can realize the simultaneous processing of the coaxial big aperture of interval difference, the adverse effect to the hole axiality such as reducible cutter structure, cutting parameter guarantees that the interval is different, the different coaxial hole high accuracy processing of diameter, practices thrift process time, improves machining efficiency greatly.
Description
Technical Field
The utility model relates to a cutting process cutter, concretely relates to with axle hole machining cutter with adjustable.
Background
At present, in the field of aviation, a plurality of airplane structural parts are joint parts, and the structural part is characterized in that a double-lug structure with a connecting function is provided. The machining method of the holes which are coaxial but have different radiuses is that the two holes are machined into initial holes by a drill bit or a milling cutter respectively, then the two holes are subjected to rough boring and fine boring from two sides respectively, and the machining method has the defect that the machined holes are influenced by factors such as the swing angle precision of a machine tool, the structure of a cutter, cutting force, the amplitude of the eccentric amount of a vibration extremely easy to bore cutter blades, different change rules and the like, so that the coaxiality of the coaxial holes is difficult to control.
To the above-mentioned problem, the publication number is CN203304641U, and the china utility model granted patent that the announcement day is 2013 11 month 27 discloses a cutter of processing isometric big-spacing coaxial hole system, including handle of a knife and cutter arbor, characterized by: one end of the cutter bar is provided with a cutter head, the other end of the cutter bar is provided with a cutter handle, and a guide body is arranged between the cutter handle and the cutter head. Although the problem that the coaxiality of the machined holes is low and the efficiency is low is solved, the cutter can only machine the coaxial holes with the same diameter, and when the coaxial holes with different diameters need to be machined, the cutter needs to be replaced.
In order to solve the problems, the disclosure number is CN109202141A, and the disclosure number is 2019, 01, 15, and discloses a coaxial hole machining tool which comprises a tool body and a tool shank, wherein the tool shank is connected with the tool body, a tool bit groove is vertically formed in the tool body and comprises a chip removal surface and a tool bit surface, a plurality of mounting holes are transversely formed in the tool body at intervals, the mounting holes are located at the included angle between the chip removal surface and the tool bit surface, tool bits are respectively arranged in the mounting holes, blades are arranged on the tool bits, blade parts of the blades protrude out of the side wall of the tool body, and an adjusting piece capable of adjusting the length of the tool bits is further arranged on the tool. This patent has solved the problem of how to use the coaxial hole of a sword processing different diameters, but can't process two coaxial holes that have certain distance simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the above-mentioned problem among the prior art, provide a coaxial hole machining cutter with adjustable, this cutter can realize the simultaneous processing of the different coaxial big aperture of interval, practices thrift process time, improves machining efficiency greatly.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
the utility model provides a with axle hole machining tool with adjustable, includes handle of a knife and cutter body, cutter body and handle of a knife link to each other its characterized in that: the cutter body comprises a fixed cutter frame and a movable cutter frame, the movable cutter frame is coaxially connected to the front end of the fixed cutter frame, the fixed cutter frame is provided with a mounting hole, the movable cutter frame is inserted into the mounting hole, and the side wall of the fixed cutter frame is provided with a locking piece for adjusting the mounting length of the movable cutter frame; the fixed tool rest and the movable tool rest are respectively fixed with a first boring blade and a second boring blade through an index head holder, and the index head holder is vertically fixed on the side walls of the fixed tool rest and the movable tool rest.
Further, the adjustable distance from the first boring blade to the rotating center line of the cutter is larger than the adjustable distance from the second boring blade to the rotating center line of the cutter.
Further, the movable tool rest is in clearance fit with the mounting hole. Furthermore, the locking piece is a fastening bolt, a plurality of groups of threaded holes are formed in the side wall of the fixed tool rest, and the tool rest can be moved to be locked and fixed by screwing the fastening bolt into the threaded holes.
Further, the first boring blade and the second boring blade are both made of hard alloy materials.
The utility model has the advantages that:
the utility model discloses in, be equipped with two sets of knife rests on the cutter body, divide into fixed knife rest and can move the knife rest, fixed knife rest with can move and all install dividing head holder and boring blade on the knife rest, wherein, the knife tip of boring blade can be adjusted according to the aperture size with the axle hole with the distance of cutter rotation center line on two knife rests, the interval of two boring blade knife tips can be adjusted according to the size with the axle hole interval, only just can realize the simultaneous processing of the different coaxial big aperture of interval with a cutter, reducible tool structure, adverse effect to the hole axiality such as cutting parameter, guarantee that the interval is different, the different coaxial hole high accuracy processing of diameter, practice thrift process time, improve machining efficiency greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a component assembly hole applied in the present invention;
wherein,
1. the boring tool comprises a tool shank, 2, a tool body, 3, a movable tool rest, 4, a fixed tool rest, 5, a dividing head holder, 6, a tool rotation central line, 7, a threaded hole, 8, a boring blade I, 9, a boring blade II, 10, a part, 11, a coaxial small hole, 12 and a coaxial large hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
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.
In the description of the present invention, it should be noted that the terms "upper", "vertical", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that the utility model is usually placed when using, or the orientation or positional relationship that a person skilled in the art usually understands, only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As a most basic embodiment of the present invention, the present embodiment discloses an adjustable coaxial hole machining tool, which is suitable for the one-step forming of coaxial but different distances of combined big and small holes, and the specific structure thereof is as shown in fig. 1, including a tool shank 1 and a tool body 2, the tool body 2 includes a fixed tool rest 4, a movable tool rest 3, a dividing head holder 5, a boring tool piece 8, a boring tool piece 9, a tool rotation center line 6, and a locking member capable of moving the tool rest 3. The dividing head holder 5 is respectively fixed on the side walls of the movable tool rest 3 and the fixed tool rest 4, the boring blade I8 is fixed on the dividing head holder 5 on the movable tool rest 3 through screws, the boring blade II 9 is fixed on the dividing head holder 5 on the fixed tool rest 4 through screws, the movable tool rest 3 can move relative to the fixed tool rest 4, the fixed tool rest 4 is provided with a mounting hole, the movable tool rest 3 is inserted in the mounting hole, the side wall of the fixed tool rest 4 is provided with a locking piece for adjusting the mounting length of the movable tool rest 3, and when the distance is adjusted, the movable tool rest 3 can be fixed on the fixed tool rest 4 through the locking piece.
In the embodiment, the vertical distance between the tool points of the boring blades on the two tool rests and the rotating center line 6 of the tool can be adjusted according to the aperture size of the coaxial hole, the distance between the tool points of the two boring blades can be adjusted according to the distance between the coaxial holes, the simultaneous machining of the coaxial large holes and the coaxial small holes with different distances can be realized by only one tool, the adverse effects of the tool structure, the cutting parameters and the like on the coaxiality can be reduced, the coaxial holes with different distances and different diameters can be machined at high precision, the machining time is saved, and the machining efficiency is greatly improved.
Example 2
This example is based on the entirety of example 1, with the following differences:
preferably, the adjustable distance from the boring blade one 8 to the tool rotation center line 6 is greater than the adjustable distance from the boring blade two 9 to the tool rotation center line 6. The two groups of boring blades have different adjustable distances, and the purpose is that in practical use, if the hole at the near end is larger than the hole at the far end, the requirement can be met by adopting a conventional single-head boring cutter and a processing method, for example, the conventional single-head boring cutter is used for boring the big hole at the near end in place firstly, then the big hole at the far end is stretched into the boring cutter to bore the small hole at the far end in place, when the small hole at the far end is bored, the big hole at the near end cannot be interfered, but conversely, the big hole at the near end and the big hole at the far end cannot be bored by adopting the conventional method, because the small hole at the near end.
Preferably, the movable tool rest 3 is in clearance fit with the mounting hole, the locking piece is a fastening bolt, a plurality of groups of threaded holes 7 are formed in the side wall of the fixed tool rest 4, the threaded holes 7 are communicated with the mounting hole, and the movable tool rest 3 is locked and fixed by the fastening bolt screwed into the threaded holes 7.
Preferably, the first boring blade 8 and the second boring blade 9 are made of hard alloy materials.
Fig. 2 shows the structure of the combined hole of the component 10, which includes the component 10, the coaxial big hole 12 and the coaxial small hole 11, wherein d1 and d2 are the hole diameters of the coaxial big hole 12 and the coaxial small hole 11, respectively.
The machining process of the combined hole of the part 10 is as follows: firstly, machining a coaxial big hole 12 and a coaxial small hole 11 to be in an initial hole state through a drill or a milling cutter, respectively adjusting the distance from a boring blade I8 and a boring blade II 9 to a tool rotation central line 6 according to the size of the hole, and then machining the distance D = L + W between the tool points of the two boring blades according to the distance L of the combined hole and the thickness W of a lug plate where the small hole is located. The eccentric control is carried out through a set processing program to enable a cutter to enter from a small hole end, when the tool tips of two boring blades are close to the end faces of two coaxial holes, the rotating center line 6 of the cutter is overlapped with the center of a hole shaft, a main shaft drives a first boring blade 8 and a second boring blade 9 to start rotating and process a part 10, after the processing is finished, the eccentric control of the main shaft is carried out to enable the tool tips of the boring blades to retreat without interfering the hole wall of the part 10, finally, the boring blades are completely retreated, the hole diameter is checked, then the distance from the first boring blade 8 and the second boring blade 9 to the rotating center line 6 of the cutter is adjusted according to the checked hole diameter, and the processes are repeated until the processing is.
Claims (5)
1. The utility model provides a coaxial hole machining cutter with adjustable, includes handle of a knife (1) and cutter body (2), cutter body (2) and handle of a knife (1) link to each other its characterized in that: the cutter body (2) comprises a fixed cutter frame (4) and a movable cutter frame (3), the movable cutter frame (3) is coaxially connected to the front end of the fixed cutter frame (4), a mounting hole is formed in the fixed cutter frame (4), the movable cutter frame (3) is inserted into the mounting hole, and a locking piece for adjusting the mounting length of the movable cutter frame (3) is arranged on the side wall of the fixed cutter frame (4); the fixed tool rest (4) and the movable tool rest (3) are respectively fixed with a first boring blade (8) and a second boring blade (9) through a dividing head holder (5), and the dividing head holder (5) is vertically fixed on the side walls of the fixed tool rest (4) and the movable tool rest (3).
2. The adjustable coaxial hole machining tool according to claim 1, wherein: the adjustable distance from the boring blade I (8) to the rotating center line (6) of the cutter is larger than the adjustable distance from the boring blade II (9) to the rotating center line (6) of the cutter.
3. The adjustable coaxial hole machining tool according to claim 1 or 2, wherein: the movable tool rest (3) is in clearance fit with the mounting hole.
4. The adjustable coaxial hole machining tool according to claim 3, wherein: the locking piece is a fastening bolt, a plurality of groups of threaded holes (7) are formed in the side wall of the fixed tool rest (4), and the tool rest (3) can be moved to be locked and fixed by the fastening bolt screwed into the threaded holes (7).
5. The adjustable coaxial hole machining tool according to claim 4, wherein: the boring blade I (8) and the boring blade II (9) are made of hard alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218244.8U CN211889040U (en) | 2020-02-27 | 2020-02-27 | Adjustable coaxial hole machining tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020218244.8U CN211889040U (en) | 2020-02-27 | 2020-02-27 | Adjustable coaxial hole machining tool |
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| CN211889040U true CN211889040U (en) | 2020-11-10 |
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| CN202020218244.8U Active CN211889040U (en) | 2020-02-27 | 2020-02-27 | Adjustable coaxial hole machining tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260728A (en) * | 2022-01-20 | 2022-04-01 | 石家庄达辛科技有限公司 | Processing tool, processing system and processing method for handle part |
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2020
- 2020-02-27 CN CN202020218244.8U patent/CN211889040U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260728A (en) * | 2022-01-20 | 2022-04-01 | 石家庄达辛科技有限公司 | Processing tool, processing system and processing method for handle part |
| CN114260728B (en) * | 2022-01-20 | 2024-01-26 | 石家庄达辛科技有限公司 | Processing tool, processing system and processing method of handle part |
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