CN217394444U

CN217394444U - Rotary clamping device for airplane parts of numerical control machining center

Info

Publication number: CN217394444U
Application number: CN202220500943.0U
Authority: CN
Inventors: 杨欣欣; 王兴飞
Original assignee: Shenyang Tianhe Aviation Equipment Manufacturing Co ltd
Current assignee: Shenyang Tianhe Aviation Equipment Manufacturing Co ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-09-09
Anticipated expiration: 2032-03-09

Abstract

The utility model discloses a rotatory clamping device of numerical control machining center aircraft part, comprising a base plate, the bracing piece is installed to one side of bottom plate, the end of bracing piece is rotated and is connected with the three-jaw chuck, the worm wheel is installed to the outer wall below of three-jaw chuck, the outer wall meshing of worm wheel is connected with the worm, driving motor is installed to the worm. The utility model relates to an aircraft parts machining technical field, this rotatory clamping device of numerical control machining center aircraft part, through the worm wheel, cooperation between worm and the bracing piece, make three-jaw chuck rotate through driving motor, with the adjustment of realizing the work piece angle, and the worm can separate with the worm wheel, make things convenient for the staff to carry out manual regulation, the regulative mode is more nimble, through the locating lever, the gag lever post, the cooperation between limiting plate and the kelly, make the bottom plate be convenient for carry out fixed connection with external lathe, the installation is simple with the dismantlement process, and fixed effect can obtain guaranteeing, and work efficiency is improved.

Description

Rotary clamping device for airplane parts of numerical control machining center

Technical Field

The utility model relates to an aircraft parts machining technical field specifically is a rotatory clamping device of numerical control machining center aircraft part.

Background

The large integral structural members widely applied to modern airplanes, such as integral wing panels, wing spars, reinforcing frames and the like, have complex shapes, large cutting processing amount and poor self rigidity, need to be processed on a modern numerical control milling machine with a plurality of high-speed milling heads and a large-area workbench (manufactured by the integral panels) with a vacuum chuck for processing large-scale frames with complex three-dimensional shapes, such as cabin windshield frameworks, cabin doors, window frames and the like, and also need to adopt a multi-coordinate linked numerical control milling machine or a three-dimensional profiling milling machine (manufactured by numerical control) for processing the integral wing panels, some wing panels, the wing spars, the reinforcing frames and the like.

In the process of machining, sometimes a workpiece needs to be rotated, but the traditional milling machine is inconvenient to rotate and complex in structure, and the use requirements of people cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rotatory clamping device of numerical control machining center aircraft part has solved at the in-process of processing, needs rotatory work piece sometimes, but traditional milling machine is rotatory inconvenient, and the structure is comparatively complicated, can not satisfy the problem of people's use needs.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a rotatory clamping device of numerical control machining center aircraft part, includes the bottom plate, the bracing piece is installed to one side of bottom plate, the end-to-end rotation of bracing piece is connected with the three-jaw chuck, the worm wheel is installed to the outer wall below of three-jaw chuck, the outer wall meshing of worm wheel is connected with the worm, driving motor is installed to the worm, the support is installed to driving motor's bottom, the bottom and the bottom plate swing joint of support, the support is provided with fixed unit.

Preferably, the bottom of support and the top recess slip joint of bottom plate, the spring is installed to one side of support, the terminal looks rigid coupling of spring and the inner wall of bottom plate.

Preferably, the fixing unit comprises a bolt and a fixing seat; the bolt penetrates through the support, a fixed seat is inserted at the tail end of the bolt, and the fixed seat is fixedly connected to the surface of the bottom plate.

Preferably, the bottom center of bottom plate installs the locating lever, the limiting plate has been cup jointed to the outer wall of locating lever, the bottom of limiting plate is rotated and is connected with the kelly, the end of kelly passes through draw-in groove and locating lever looks joint.

Preferably, both sides of the positioning rod are provided with limiting rods arranged at the bottom of the bottom plate, and the limiting rods penetrate through the limiting plates.

Advantageous effects

The utility model provides a rotatory clamping device of numerical control machining center aircraft part. The method has the following beneficial effects: this rotatory clamping device of numerical control machining center aircraft part through the cooperation between worm wheel, worm and the bracing piece for three-jaw chuck can rotate through driving motor, in order to realize the adjustment of work piece angle, and the worm can separate with the worm wheel, makes things convenient for the staff to carry out manual regulation, and the regulation mode is more nimble.

Through the cooperation between locating lever, gag lever post, limiting plate and the kelly for the bottom plate is convenient for carry out fixed connection with external lathe, and the installation is simple with the dismantlement process, convenient operation, and fixed effect can be guaranteed, improves work efficiency.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the base plate, three-jaw chuck and worm of FIG. 1;

FIG. 3 is a schematic view of the structure of the base plate, the bracket and the spring in FIG. 2

Fig. 4 is a schematic structural diagram of the bottom plate, the positioning rod and the limiting plate in fig. 1.

In the figure: 1. the device comprises a bottom plate, 2, a support rod, 3, a three-jaw chuck, 4, a worm wheel, 5, a worm, 6, a driving motor, 7, a support, 8, a spring, 9, a bolt, 10, a fixing seat, 11, a positioning rod, 12, a limiting rod, 13, a limiting plate, 14, a clamping rod, 15 and a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

As can be known from figures 1, 2 and 3, the numerical control machining center aircraft part rotary clamping device comprises a bottom plate 1, a supporting rod 2 is installed on one side of the bottom plate 1, the tail end of the supporting rod 2 is connected with a three-jaw chuck 3 in a rotating mode, a worm wheel 4 is installed below the outer wall of the three-jaw chuck 3, a worm 5 is connected to the outer wall of the worm wheel 4 in a meshed mode, a driving motor 6 is installed on the worm 5, a support 7 is installed at the bottom of the driving motor 6, the bottom of the support 7 is movably connected with the bottom plate 1, and the support 7 is provided with a fixing unit.

It can be understood that the support rod 2 plays a role in connecting the bottom plate 1 and the three-jaw chuck 3, and the worm 5 can be rotated to drive the three-jaw chuck 3 to rotate through the cooperation between the worm 5 and the worm wheel 4, wherein the three-jaw chuck 3 is not different from the prior art, the technical scheme recorded in the application document is not structurally improved, the technical scheme is well known by technical personnel in the field, the description is omitted herein, the specific model of the driving motor 6 is not limited, the function of driving the worm 5 can be played, the support 7 is movably connected with the bottom plate 1 and aims to facilitate the driving motor 6 to drive the worm 5 to be separated from the worm wheel 4, the worker can manually rotate the three-jaw chuck 3 conveniently, the fixing unit fixes the support 7 and the bottom plate 1, and the specific form is not limited.

Furthermore, the bottom of the support 7 is in sliding clamping connection with the top groove of the bottom plate 1, a spring 8 is installed on one side of the support 7, and the tail end of the spring 8 is fixedly connected with the inner wall of the bottom plate 1.

It will be appreciated that the spring 8 gives the support 7 an elastic force close to the worm wheel 4, thereby ensuring that the worm 5 is not separated from the worm wheel 4 in the absence of external force, while the elastic force of the spring 8 ensures effective cooperation of the worm 5 with the worm wheel 4.

Further, the fixing unit comprises a bolt 9 and a fixing seat 10; the bolt 9 penetrates through the support 7, the tail end of the bolt 9 is inserted with a fixed seat 10, and the fixed seat 10 is fixedly connected to the surface of the bottom plate 1.

It will be appreciated that the latch 9 cooperates with the anchor 10 to secure the bracket 7 to the base plate 1.

However, the latch 9 and the fixing seat 10 are only one form of fixing unit, and may be other forms of fixing, and many changes, modifications, substitutions and alterations may be made to these embodiments without departing from the principle and spirit of the present structure, and all that is encompassed in the protection scope of the present document.

Specifically, when the aircraft part rotary clamping device of the numerical control machining center is used, the base plate 1 is fixedly connected with a machine tool, the bolt 9 penetrates through the support 7 and is inserted into the fixing seat 10, the worm 5 is connected with the worm wheel 4 at the moment, the worm 5 can be driven to rotate through the driving motor 6, the three-jaw chuck 3 is driven to rotate through the matching between the worm 5 and the worm wheel 4, and then a workpiece can rotate, meanwhile, the matching between the worm 5 and the worm wheel 4 has irreversibility, namely, the worm 5 can not be driven to rotate by the worm wheel 4, when a worker is required to manually rotate the three-jaw chuck 3, the bolt 9 is drawn out from the inside of the fixing seat 10, then the support 7 is pushed to slide along the base plate 1, at the moment, the spring 8 is stressed and compressed, at the moment, the worm 5 and the worm wheel 4 are classified, the worker can manually rotate the three-jaw chuck 3 to enable the workpiece to be positioned at a proper angle, and then the external force on the support 7 is removed, under the action of the spring 8, the support 7 is restored to the original position, and at the moment, the worm 5 is meshed with the worm wheel 4 again, so that the angle fixation of the three-jaw chuck 3 is realized.

In an implementation manner, please refer to fig. 1 and fig. 4, a positioning rod 11 is installed at the center of the bottom plate 1, a limiting plate 13 is sleeved on the outer wall of the positioning rod 11, a clamping rod 14 is rotatably connected to the bottom of the limiting plate 13, and the tail end of the clamping rod 14 is clamped with the positioning rod 11 through a clamping slot 15.

It can be understood that the locating rod 11 is inserted into the mounting hole of the machine tool, and the limiting plate 13 is tightly abutted against the bottom of the machine tool under the matching of the clamping rod 14 and the clamping groove 15, so that the fixing of the bottom plate 1 and the machine tool is realized.

Furthermore, both sides of the positioning rod 11 are provided with a limiting rod 12 installed at the bottom of the bottom plate 1, and the limiting rod 12 penetrates through the limiting plate 13.

In the specific implementation process, it is worth pointing out that the limiting rod 12 and the positioning rod 11 penetrate through different mounting holes of the machine tool at the same time, so that the mounting stability of the bottom plate 1 and the machine tool can be improved, and the rotation of the bottom plate 1 is avoided.

Can know through the aforesaid, on the basis of above-mentioned embodiment, gag lever post 12 runs through the different mounting holes of lathe with locating lever 11 simultaneously, can improve the installation stability of bottom plate 1 with the lathe like this, avoids bottom plate 1 to rotate, through rotating kelly 14, makes kelly 14 and draw-in groove 15 joint link to each other, can play fixed effect to limiting plate 13 like this, guarantees that limiting plate 13 can be tight and the laminating of lathe bottom.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, method, article, or apparatus. Without further limitation. The use of the phrase "comprising" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the same.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted", "disposed", "connected", "fixed", "screwed" and the like are to be understood broadly, and may be, for example, a fixed connection, a detachable connection, or an integral body; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotatory clamping device of numerical control machining center aircraft part, includes bottom plate (1), its characterized in that: bracing piece (2) are installed to one side of bottom plate (1), the end of bracing piece (2) is rotated and is connected with three-jaw chuck (3), worm wheel (4) are installed to the outer wall below of three-jaw chuck (3), the outer wall meshing of worm wheel (4) is connected with worm (5), driving motor (6) are installed to worm (5), support (7) are installed to the bottom of driving motor (6), the bottom and bottom plate (1) swing joint of support (7), support (7) are provided with fixed unit.

2. The rotary clamping device for the airplane parts of the numerical control machining center according to claim 1, is characterized in that: the bottom of support (7) and the top recess slip joint of bottom plate (1), spring (8) are installed to one side of support (7), the terminal of spring (8) and the inner wall looks rigid coupling of bottom plate (1).

3. The rotary clamping device for the airplane parts of the numerical control machining center according to claim 1, is characterized in that: the fixing unit comprises a bolt (9) and a fixing seat (10), the bolt (9) penetrates through the support (7), the fixing seat (10) is inserted into the tail end of the bolt (9), and the fixing seat (10) is fixedly connected to the surface of the bottom plate (1).

4. The rotary clamping device for the airplane parts of the numerical control machining center according to claim 1, is characterized in that: the bottom center of bottom plate (1) is installed locating lever (11), limiting plate (13) have been cup jointed to the outer wall of locating lever (11), the bottom of limiting plate (13) is rotated and is connected with kelly (14), the end of kelly (14) is through draw-in groove (15) and locating lever (11) looks joint.

5. The rotary clamping device for the airplane parts of the numerical control machining center according to claim 4, is characterized in that: limiting rods (12) installed at the bottom of the bottom plate (1) are arranged on two sides of the positioning rod (11), and the limiting rods (12) penetrate through the limiting plates (13).