CN218556279U

CN218556279U - Special-shaped end cover part machining tool

Info

Publication number: CN218556279U
Application number: CN202223119153.7U
Authority: CN
Inventors: 孙辉; 孙润金; 谭跃鹏; 范汉卓; 王绍先
Original assignee: Shenyang Jiarun Machinery Equipment Co ltd
Current assignee: Shenyang Jiarun Machinery Equipment Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-03
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a dysmorphism end cover class parts machining frock relates to the technical field of frock, the utility model discloses the processing progress that aims at solving dysmorphism end cover class product is difficult to guarantee, arrears the problem of production progress. The utility model comprises a foundation plate and a pressing plate; a plurality of groups of positioning pins for positioning the machining-replacing parts are arranged on the foundation plate; a first threaded hole is formed in the center of each group of positioning pins and used for being matched with a bolt to fix a part to be machined; the pressing plate is used for pressing two adjacent machining-substituted parts; and a second threaded hole is formed between every two groups of positioning pins and used for being matched with a bolt to fix the pressing plate.

Description

Special-shaped end cover part machining tool

Technical Field

The utility model relates to a technical field of frock, concretely relates to dysmorphism end cover class parts machining frock.

Background

For some parts of end covers applied to airplanes, such as end covers of various controllers, instruments and the like, the parts are usually made of aluminum alloy materials and have certain special shapes, the processing is not easy and very troublesome, and particularly when the parts are matched with military machine parts, the parts have higher requirements on precision and have stricter processing requirements than general airplane parts. The processing difficulty lies in: the part is not a revolving body, otherwise, the part can be directly machined by a lathe, the part cannot be machined, the part can be machined by a mode of firstly turning and then milling or completely by a milling mode, but multiple clamping is usually needed, and the machining precision is not guaranteed well because the part must be recalibrated in each clamping, so that more time and energy are consumed to produce in order to meet the design form and position tolerance requirement, the production progress is influenced, and the factory yield is not high. A targeted solution is therefore highly desirable.

Disclosure of Invention

The utility model provides a special-shaped end cover part processing tool, which comprises a foundation plate and a pressing plate; a plurality of groups of positioning pins for positioning the machining-replacing parts are arranged on the foundation plate; a first threaded hole is formed in the center of each group of positioning pins and used for being matched with a bolt to fix a part to be machined; the pressing plate is used for pressing two adjacent machining-substituted parts; and a second threaded hole is formed between every two groups of positioning pins and is used for being matched with a bolt to fix the pressing plate.

The utility model discloses a further set up to: the pressing plate is provided with a round avoiding opening so as to avoid the position of the connecting bolt of the processing part.

The utility model discloses a further set up to: the lower surface of the pressing plate is provided with supporting legs, and at least two supporting legs are used for pressing one machining-substitute part.

The utility model discloses a further set up to: the supporting legs for pressing one machining-substituted part are distributed in an equiangular mode according to the central axis of the machining-substituted part.

The utility model discloses a further set up to: the upper surface of foundatin plate is provided with a plurality of draw-in groove, every the draw-in groove all is located each group the shared region of locating pin.

The utility model has the advantages that:

1. a plurality of parts can be processed at one time, and only two clamping processes are needed, so that the processing process is simplified;

2. in the conversion process of the two clamping, the position of the part to be machined is not changed, and the problem of position calibration caused by multiple times of clamping is solved, so that the reference of a reference machine tool is not changed, and the machining precision can be better ensured.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

FIG. 4 is an enlarged view of a portion of FIG. 1 at C;

fig. 5 is a schematic structural view of the middle press plate of the present invention;

fig. 6 is a schematic structural diagram of the part to be machined in the present invention.

Reference numerals are as follows: 1. a foundation plate; 11. a card slot; 12. positioning pins; 2. a part to be processed; 21. a bump to be cut; 3. pressing a plate; 31. an avoidance groove; 32. supporting legs; 4. and (4) bolts.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

The utility model provides a dysmorphism end cover class parts machining frock is applied to the frock that mills on the milling machine in an organic whole big batch, and it includes foundatin plate 1 and clamp plate 3.

A plurality of sets of positioning pins 12 for positioning the machined parts are arranged on the base plate 1, and taking machining of the machined parts shown in fig. 6 as an example, each set needs to be provided with three positioning pins 12. A clamping groove 11 is also arranged in the area occupied by each group of positioning pins 12. The clamping groove 11 is used for facilitating the matching and positioning of parts to be machined on one hand, and avoiding a milling cutter which precesses downwards so as to avoid damaging the foundation plate 1 on the other hand.

And a first threaded hole is formed in the center of each group of positioning pins 12 and used for being matched with a bolt 4 to fix a machined part. The group number of the positioning pins 12 is even, every two adjacent groups are a group, a second threaded hole is formed between every two adjacent groups of the positioning pins 12, and the second threaded hole is used for being matched with the bolt 4 to fix the pressing plate 3, because the pressing plate 3 is used for pressing two adjacent machined parts. It is to be understood that the first and second threaded holes are not required to be of equal size, and that the reference to "bolt 4" and "bolt 4" are based on the specific size of the application to which they are adapted, although the same name does not require equal size, as will be understood by those skilled in the art. The center of the first threaded hole in each set of positioning pins 12 is only a special example in this embodiment, and according to different parts to be produced, the position of the first threaded hole can be adjusted adaptively according to the position of the hole on the part to be machined, so as to prepare the tool in a targeted manner.

Two ends of the pressure plate 3 which are deviated from each other are provided with round avoiding openings so as to avoid the positions of the connecting bolts 4 of the processing parts. Two supporting legs 32 are respectively arranged on the lower surfaces of the two ends, and the two supporting legs 32 for pressing the substitute processing part are distributed in an equal angle mode according to the central axis of the substitute processing part so as to stably press the substitute processing part.

The specific implementation process is as follows: first, after a side surface is previously machined in the machine part, the surface faces downward, the middle part is punched and fixed to the first threaded hole by using the bolt 4, the position of which can be quickly aligned by using the positioning pin 12 and the torque and the chattering during the machining can be restrained. When a cut is finished, the part to be machined is basically milled, but a lug of the bearing bolt 4 is only left in the middle of the part 2 to be machined. Therefore, next step, the pressing plate 3 is fixed on the second threaded hole through the bolt 4, the pressing plate 3 presses the two machining-substituted parts, then the bolt 4 for fixing the machining-substituted parts is dismounted, and the convex block is milled by the milling cutter. The whole fixed structure is replaced by a machining part without any position change in the replacing process.

The advantage of this structural scheme is:

2. in the conversion process of twice clamping, the position of the part to be machined is not changed, and the problem of position calibration caused by multiple times of clamping is solved, so that the reference of a machine tool is not changed, and the machining precision can be better ensured.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention, and particularly, various features shown in the various embodiments may be combined in any combination as long as there is no structural conflict. The present invention is not intended to be limited to the particular embodiments disclosed herein, but rather to include all embodiments falling within the scope of the appended claims.

In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions can be made on the related technical features by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions will fall into the protection scope of the invention.

Claims

1. The utility model provides a dysmorphism end cover class parts machining frock which characterized in that: comprises a foundation plate (1) and a pressing plate (3);

a plurality of groups of positioning pins (12) for positioning the parts to be machined are arranged on the foundation plate (1);

a first threaded hole is formed in the center of each group of positioning pins (12), and the first threaded holes are used for being matched with bolts (4) to fix a machining-substituted part;

the pressing plate (3) is used for pressing two adjacent machining-substituted parts;

and a second threaded hole is formed between every two groups of positioning pins (12), and the second threaded hole is used for being matched with a bolt (4) to fix the pressing plate (3).

2. The special-shaped end cover part machining tool according to claim 1, characterized in that: the pressing plate (3) is provided with a round avoidance opening to avoid the position of the connecting bolt (4) of the processing part.

3. The special-shaped end cover part machining tool according to claim 1, characterized in that: supporting legs (32) are arranged on the lower surface of the pressing plate (3), and at least two supporting legs (32) are used for pressing one machining-substituted part.

4. The special-shaped end cover part machining tool according to claim 3, characterized in that: supporting legs (32) for pressing one of the machining-substituted parts are distributed in an equiangular manner with reference to the central axis of the machining-substituted part.

5. The special-shaped end cover part machining tool according to claim 1, characterized in that: the upper surface of foundatin plate (1) is provided with a plurality of draw-in groove (11), every draw-in groove (11) all are located each group the shared region of locating pin (12).