CN112247231B - Lengthened angle milling head device of three-point positioning supporting structure - Google Patents
Lengthened angle milling head device of three-point positioning supporting structure Download PDFInfo
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- CN112247231B CN112247231B CN202011102948.XA CN202011102948A CN112247231B CN 112247231 B CN112247231 B CN 112247231B CN 202011102948 A CN202011102948 A CN 202011102948A CN 112247231 B CN112247231 B CN 112247231B
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- milling head
- pin
- angle milling
- machine tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
- B23C9/005—Details or accessories so far as specially adapted to milling machines or cutter milling heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
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- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
A lengthened angle milling head device of a three-point positioning supporting structure belongs to the field of milling head devices. The invention solves the problems of generally poor rigidity, low processing efficiency and high cost of the existing lengthened angle milling head. The angle milling head is connected with the machine tool main shaft, the flange is fixed on the angle milling head, the positioning pin and the damping pin are fixedly arranged on the flange, the other end of the damping pin is in contact with the end face of the machine tool main shaft, the other end of the positioning pin is connected with the positioning block, and the positioning block is fixedly arranged on the machine tool main shaft. According to the invention, the three-point positioning support of the shock absorption pin and the positioning pin can effectively prevent the vibration phenomenon caused by overlong angle milling head, the service life of the lengthened angle milling head is prolonged, and the processing efficiency is improved.
Description
Technical Field
The invention relates to an elongated angle milling head device with a three-point positioning support structure, and belongs to the field of milling head devices.
Background
The milling machine mainly refers to a machine tool for processing various surfaces of a workpiece by using a milling cutter, wherein the full-length milling cutter mainly moves by rotating, the workpiece and the milling cutter move by feeding, and the milling machine can process planes, grooves, various curved surfaces, gears and the like. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planing machine, and is widely applied to mechanical manufacturing and repairing departments;
the angle milling head is an accessory of a machine tool, the rotation center line of a cutter can form an angle with the rotation center line of a main shaft to process a workpiece after the angle milling head is arranged on the machine tool, and the angle milling head is widely applied to various fields of mechanical processing such as aviation, automobiles, molds and the like at present;
with the rapid development of the aerospace industry, higher requirements are provided for the performance and reliability of an aircraft, the design concept of aerospace products is deeply influenced, large cabin parts of a flight missile are gradually changed into special-shaped and narrow deep cavity structures, the processing difficulty of an inner cavity is high, and the existing technology needs to adopt an elongated milling head to process the inner cavity, but the rigidity of the elongated angle milling head is generally poor, the processing efficiency is low, and the cost is high.
In view of the above, there is a need for an elongated angle milling head apparatus with a three-point positioning support structure to solve the above problems.
Disclosure of Invention
The invention solves the problems of generally poor rigidity, low processing efficiency and high cost of the existing lengthened angle milling head, and discloses a lengthened angle milling head device with a three-point positioning support structure. The following presents a simplified summary of the invention in order to provide a basic understanding of some aspects of the invention. It should be understood that this summary is not an exhaustive overview of the invention. It is not intended to determine the key or important part of the present invention, nor is it intended to limit the scope of the present invention.
The technical scheme of the invention is as follows:
the utility model provides a three point location bearing structure add elongated angle cutter head device, includes lathe main shaft, locating piece, locating pin, flange, damper pin and angle cutter head, and the angle cutter head is connected with the lathe main shaft, and the flange is fixed on the angle cutter head, and locating pin and damper pin fixed mounting are on the flange, and the other end of damper pin and the terminal surface contact of lathe main shaft, the other end and the locating piece connection of locating pin, locating piece fixed mounting are on the lathe main shaft.
Furthermore, the flange is fixedly installed on the angle milling head through a second screw.
Further, the positioning pin and the damper pin are fixedly mounted on the flange through first screws.
Furthermore, the positioning block is fixedly mounted on the machine tool spindle through a third screw.
Furthermore, two damping pins and a positioning pin are mounted on the flange, and the two damping pins and the positioning pin are arranged at an angle of 120 degrees by taking the axis of the machine tool spindle as the center.
The invention has the beneficial effects that:
1. the lengthened angle milling head device with the three-point positioning support structure is designed, the three-point positioning support of the two shock absorption pins and the positioning pin can effectively prevent the vibration phenomenon caused by overlong angle milling head, the rigidity and the service life of the lengthened angle milling head are enhanced, and the processing efficiency is improved;
2. the lengthened angle milling head device with the three-point positioning support structure is simple in structure, convenient to disassemble, assemble and maintain and capable of effectively reducing cost.
Drawings
FIG. 1 is a schematic view of an elongated angle milling head assembly with a three-point positioning support structure;
FIG. 2 is a front view of an elongated angled milling head assembly of a three point alignment support structure;
FIG. 3 is a cross-sectional view of the elongated angled milling head assembly of the three point positioning support structure taken along the line A;
fig. 4 is a B-direction cross-sectional view of an elongated angled milling head assembly of a three-point alignment support structure.
In the figure, 1 represents a machine tool main shaft, 2 represents a positioning block, 3 represents a positioning pin, 4 represents a flange, 5 represents a shock absorption pin, 6 represents an angle milling head, 7 represents a first screw, 8 represents a second screw and 9 represents a third screw.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the invention will be described by way of example only, and with reference to the accompanying drawings. It is to be understood that this description is made only by way of example and not as a limitation on the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the elongated angle milling head device of the three-point positioning support structure of the embodiment includes a machine tool spindle 1, a positioning block 2, a positioning pin 3, a flange 4, a damper pin 5 and an angle milling head 6, wherein the angle milling head 6 is connected with the machine tool spindle 1, the flange 4 is fixed on the angle milling head 6, the positioning pin 3 and the damper pin 5 are fixedly installed on the flange 4, the other end of the damper pin 5 is in contact with the end surface of the machine tool spindle 1, the other end of the positioning pin 3 is connected with the positioning block 2, the positioning block 2 is fixedly installed on the machine tool spindle 1, the positioning block 2 is fixed on the end surface of the machine tool spindle 1, after the angle milling head 6 is aligned, a groove of the positioning block 2 is tightly matched with the positioning pin 3, one end of the positioning pin 3 is supported in a groove of the positioning block 2, the positioning block 2 realizes angular fixation of the angle milling head 6 through the positioning pin 3, the flange 4 is used for installing the positioning pin 3 and the damper pin 5, the other end of the damper pin 5 is supported on the end surface of the machine tool spindle 1, and the damper pin 5 is used for preventing the angle milling head 6 from shaking phenomenon caused when the angle milling head 6 is in operation, thereby improving the elongated angle milling head washing rigidity;
specifically, the flange 4 is fixedly mounted on the angle milling head 6 through a second screw 8, the second screw 8 is mounted at the joint of the flange 4, and the flange 4 is fastened on the angle milling head 6 by screwing the second screw 8;
specifically, locating pin 3 and damper pin 5 are through first screw 7 fixed mounting on flange 4, and the dismouting of being convenient for through locating pin 3 and damper pin 5 of first screw 7 fixed mounting on flange 4 can be changed at any time when locating pin 3 or damper pin 5 work for a long time has wearing and tearing.
Specifically, the positioning block 2 is fixedly mounted on the machine tool spindle 1 through a third screw 9, threaded holes are formed in the positioning block 2 and the machine tool spindle 1, and the third screw 9 fixes the positioning block 2 on the machine tool spindle 1 through the threaded holes in the positioning block 2 and the machine tool spindle 1, so that the positioning block 2 is firmer on the machine tool spindle 1.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 4, and the lengthened angle milling head device of the three-point positioning support structure of the embodiment is characterized in that two damping pins 5 and one positioning pin 3 are mounted on the flange 4, and the two damping pins 5 and the one positioning pin 3 are arranged at an angle of 120 degrees with the axis of the machine tool spindle 1 as the center, so that the damping pins 5 and the positioning pin 3 are uniformly arranged on the end surface of the machine tool spindle 1, thereby greatly improving the rigidity of the angle milling head 6 and avoiding the damage of the angle milling head due to the influence of the trembling phenomenon during the operation.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. 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, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "in 8230; \8230;" above "may include both orientations" in 8230; \8230; "above" and "in 8230; \8230;" below ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.
It should be noted that, in the above embodiments, as long as the technical solutions can be aligned and combined without contradiction, those skilled in the art can exhaust all possibilities according to the mathematical knowledge of the alignment and combination, and therefore, the present invention does not describe the technical solutions after alignment and combination one by one, but it should be understood that the technical solutions after alignment and combination have been disclosed by the present invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a three point location bearing structure adds elongated angle cutter head device which characterized in that: the angle milling machine comprises a machine tool spindle (1), a positioning block (2), a positioning pin (3), a flange (4), a damping pin (5) and an angle milling head (6), wherein the angle milling head (6) is connected with the machine tool spindle (1), the flange (4) is fixed on the angle milling head (6), the positioning pin (3) and the damping pin (5) are fixedly arranged on the flange (4), the other end of the damping pin (5) is in contact with the end face of the machine tool spindle (1), the other end of the positioning pin (3) is connected with the positioning block (2), and the positioning block (2) is fixedly arranged on the machine tool spindle (1);
two shock-absorbing pins (5) and a positioning pin (3) are installed on the flange (4), and the two shock-absorbing pins (5) and the positioning pin (3) are arranged at an angle of 120 degrees by taking the axis of the machine tool spindle (1) as the center.
2. The elongated angular milling head assembly of a three-point alignment support structure of claim 1, wherein: the flange (4) is fixedly arranged on the angle milling head (6) through a second screw (8).
3. The elongated angular milling head assembly of a three-point alignment support structure of claim 2, wherein: the positioning pin (3) and the damping pin (5) are fixedly arranged on the flange (4) through a first screw (7).
4. The elongated angular milling head assembly of a three-point alignment support structure of claim 1, wherein: the positioning block (2) is fixedly arranged on the machine tool spindle (1) through a third screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102948.XA CN112247231B (en) | 2020-10-15 | 2020-10-15 | Lengthened angle milling head device of three-point positioning supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011102948.XA CN112247231B (en) | 2020-10-15 | 2020-10-15 | Lengthened angle milling head device of three-point positioning supporting structure |
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| Publication Number | Publication Date |
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| CN112247231A CN112247231A (en) | 2021-01-22 |
| CN112247231B true CN112247231B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011102948.XA Active CN112247231B (en) | 2020-10-15 | 2020-10-15 | Lengthened angle milling head device of three-point positioning supporting structure |
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| CN112247231A (en) | 2021-01-22 |
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