CN207309041U - A kind of milling machine for the formed thin plate processing of cambered surface - Google Patents

Abstract

The utility model discloses a milling machine for processing arc-shaped thin plates, comprising: a base (1); the base (1) is connected with a workbench (2), and the upper end of the workbench (2) has Milling tool holder (5), the milling tool holder (5) is connected with the tool holder bed (3), the tool holder bed (3) is connected with the feed reduction box (6), and the workbench (2 ) is also connected with the vacuum system; the workbench (2) is used to drive the formed thin plate on the arc surface to make a C-axis feed movement along the arc guide rail; the feed reduction box (6) is used to control the knife The feeding of the frame bed (3); the vacuum system is used to clamp and loosen the curved surface formed thin plate on the workbench (2) by means of vacuum adsorption. In order to solve the problem that the uneven thickness of the fractured arc plate is easily caused in the milling groove during the production process, resulting in material waste and substandard production of arc thin plate processing.

Description

A Milling Machine Used for Machining Arc Surface Formed Thin Plate

technical field

The utility model relates to the field of milling machines, in particular to a milling machine used for processing curved thin plates.

Background technique

When milling the inner side of the existing arc surface thin plate, because the inner groove is milled first, and then the arc surface is formed, it is very easy to cause the uneven thickness of the fractured arc plate forming at the milling groove during the production process. Material waste and substandard products caused by arc thin plate processing.

Contents of the invention

In view of this, the utility model provides a milling machine for processing arc-shaped thin plates, so as to solve the phenomenon that the thickness of the arc-shaped thin plates is uneven when the fractured arc plate is formed at the milling groove during the production process. The waste of processed materials and the problem of substandard production.

The utility model provides a milling machine used for processing arc-shaped thin plates, comprising:

base;

The base is connected with the workbench, the upper end of the workbench has a milling tool holder, the milling tool holder is connected with the tool holder bed, the tool holder bed is connected with the feed reduction box, and the workbench also Connected to the vacuum system;

The workbench is used to drive the arc-shaped thin plate to perform C-axis feed movement along the arc guide rail;

The feed reduction box is used to control the feed of the tool holder bed;

The vacuum system is used for clamping and releasing the arc-formed thin plate on the workbench by means of vacuum adsorption;

Wherein, the thickness of the arc shaped thin plate is less than 5mm.

Preferably, both ends of the bed of the tool post have slide rails;

The feed reduction box is slidably connected with the tool holder bed through the slide rail.

Preferably, the workbench includes: a chuck and a chuck base, the chuck is connected to the chuck base, and the chuck base is connected to the base;

The chuck is used to install and fix the curved thin plate;

The chuck base is used to support the rotation of the chuck.

Preferably, the vacuum system includes: an output gas source of the vacuum unit, the output gas source of the vacuum unit is divided by a vacuum splitter and connected to the chuck.

Preferably, the front end of the chuck base is connected to the tool post bed, the bottom of the chuck base has a chuck base box, and the chuck base box has the feed reduction box.

Preferably, the inner arc surface of the chuck is divided into equidistant grids, and the grids are used for air gap sealing.

Preferably, there is also a frictional suction cup between the grid and the curved thin plate;

The friction suction cup is used for absorbing and preventing the lateral displacement of the formed thin plate with the curved surface.

Preferably, the chuck is also connected with the chuck ring gear, and the chuck ring gear drives the chuck to perform C-axis feed motion along the arc guide rail.

Preferably, there is a square window in the chuck base box, and the feed reduction box is installed in the square window.

Preferably, the slide rail is a rectangular guide rail structure.

The utility model has the following beneficial effects:

The base of the utility model is connected with the workbench, the upper end of the workbench has a milling tool holder, the milling tool holder is connected with the tool holder bed, the tool holder bed is connected with the feed reduction box, and the workbench is also connected with the vacuum system; the workbench Drive the formed thin plate with curved surface to make C-axis feed movement along the curved guide rail; the feed reduction box controls the feed of the tool holder bed; the vacuum system uses vacuum adsorption to clamp and loosen the formed thin plate with curved surface on the workbench. The feed reduction box is used to control the feed of the tool holder bed and the worktable drives the curved surface to rotate the formed thin plate. At the same time, the vacuum system achieves short clamping time, large clamping force and high clamping accuracy. After clamping, after positioning the tool on the milling tool holder for processing, the inner milling work can be completed in one clamping, which ensures the pass rate and completeness of the workpiece processing.

Description of drawings

Through the following description of the embodiments of the utility model with reference to the accompanying drawings, the above-mentioned and other purposes, features and advantages of the utility model are more clear, in the accompanying drawings:

Fig. 1 is a schematic diagram of a milling machine used for processing arc-shaped formed thin plates according to an embodiment of the present invention.

Detailed ways

The following describes the present invention based on examples, but it should be noted that the present invention is not limited to these examples. In the following detailed description of the present utility model, some specific details are described in detail. However, those skilled in the art can also fully understand the utility model for the parts that are not described in detail.

In addition, those of ordinary skill in the art should understand that the provided drawings are only for illustrating the purpose, features and advantages of the present utility model, and the drawings are not actually drawn to scale.

At the same time, unless the context clearly requires, the words "include", "include" and other similar words in the entire specification and claims should be interpreted as an inclusive meaning rather than an exclusive or exhaustive meaning; that is, "include but not limited to the meaning of ".

Fig. 1 is a schematic diagram of a milling machine used for processing arc-shaped formed thin plates according to an embodiment of the present invention. As shown in Figure 1, a milling machine used for machining arc-shaped thin plates includes: base 1, worktable 2, tool holder bed 3, slide rail 4, milling tool holder 5, feed reduction box 6 and vacuum system.

In Fig. 1, specifically, the base 1 is connected with the workbench 2, and the upper end of the workbench 2 has a milling tool holder 5, and the milling tool holder 5 is connected with the tool holder bed 3, and the tool holder bed 3 is connected with the feed deceleration The box 6 is connected, and the workbench 2 is also connected with the vacuum system; the workbench 2 is used to drive the arc-formed thin plate to move along the arc-shaped guide rail for C-axis feed movement; the feed reduction box 6 is used to control the tool holder bed 3 feeding; a vacuum system, used for clamping and loosening the curved surface formed thin plate (ie, the workpiece) on the workbench 2 by vacuum suction, wherein the thickness of the curved curved surface formed thin plate is below 5mm.

Further, in FIG. 1 , there are slide rails 4 at both ends of the tool post bed 3 ; the feed reduction box 6 is slidably connected to the tool post bed 3 through the slide rails 4 .

Further, in FIG. 1 , the workbench 2 includes: a chuck and a chuck base, the chuck is connected to the chuck base, and the chuck base is connected to the base 1; the chuck is used to install and fix the arc-shaped formed sheet ; Chuck base, used to support the chuck rotation.

In FIG. 1 , specifically, the workbench 2 is arranged up and down and consists of a chuck and a chuck base. The chuck is located on the upper part of the workbench 2. The chuck is used to install and fix the workpiece. Since the workpiece is a formed arc-shaped thin plate part, the chuck body is also designed in a semi-circular arc shape. It passes through two high-precision arc-shaped rolling guide rails. Connected with the base 1, it is driven by an AC servo feed motor and a high-precision double gearbox for backlash elimination and speed reduction. The chuck ring gear drives the chuck body to perform C-axis feed motion along the arc-shaped guide rail, and the C-axis The feedback element is an imported high-precision circular grating.

Further, in FIG. 1 , the vacuum system includes: the output gas source of the vacuum unit, which is divided by a vacuum splitter and connected to the chuck.

In Fig. 1, specifically, the chuck of workbench 2 clamps the workpiece by means of vacuum adsorption, which has short clamping time, large clamping force and high clamping precision, and is especially suitable for thin plate parts. The chuck body is made of special high-strength aluminum alloy, and the precision-processed inner arc surface is divided into equidistant grids for air gap sealing, and multiple sets of friction suction cups are arranged in the middle of the interval for strong adsorption And prevent the lateral displacement of the workpiece. The vacuum system of the chuck is an external high-power vacuum unit outputting air source, which is diverted through a vacuum splitter and connected to the chuck. When the vacuum switch is activated, the workpiece can be clamped and released. In order to increase the vacuum adsorption force, a sealing strip can also be installed within the working area to improve the adsorption effect.

Further, in FIG. 1 , the front end of the chuck base is connected to the tool holder bed 3 , the bottom of the chuck base has a chuck base box, and the chuck base box has a feed reduction box 6 .

Further, in FIG. 1 , the inner arc surface of the chuck is divided into grids at equal intervals, and the grids are used for air gap sealing.

Further, in Fig. 1, there is also a frictional suction cup between the grid and the formed sheet with the arcuate surface; the frictional suction cup is used to absorb and prevent the lateral displacement of the formed sheet with the arcuate surface.

Further, in FIG. 1 , the chuck is also connected with the chuck ring gear, and the chuck ring gear drives the chuck to perform C-axis feed motion along the arc guide rail.

Further, there is a square window in the chuck base box, and the feed reduction box 6 is installed in the square window.

Further, in Fig. 1, specifically, the chuck base is a cast box structure, which is made of resin sand molding, high-strength and low-stress high-quality cast iron, and has good rigidity and stability. The chuck base is mainly used to support the rotation of the chuck body, and the rear end surface of the chuck base is directly combined with the front end surface of the tool holder bed 3, and is combined with the tool holder bed 3, which has good connection rigidity. The bottom surface of the chuck base is processed with anchor screw holes, which are firmly connected with the foundation through anchor bolts and adjustable pad irons. The chuck base box is designed with a square window, which is used to install the high-precision double-gear feed reduction box 6. The gears in the reduction box are all made of alloy steel after quenching and grinding, and have good transmission accuracy and sufficient rigidity.

Further, the slide rail 4 is a rectangular guide rail structure.

In Fig. 1, specifically, the tool rest bed 3 is located at the rear end of the chuck, and is connected with the chuck base as a whole. Connect firmly. Both sides of the lower end of the tool holder bed 3 are respectively provided with slide rails 4, and the slide rails 4 all adopt a rectangular guide rail structure, which has high basic rigidity and can meet the requirements of heavy loads. The tool holder bed 3 is made of cast iron, which can effectively reduce the vibration caused by high-speed milling and improve the stability of the machine tool. The 3 guide rail surfaces of the tool holder bed are quenched and finely ground to improve wear resistance and prolong service life. The rear end of the tool holder bed 3 is fixed with a precision gear reducer, which is driven by a servo motor, decelerated by a precision gear, transmitted by a ball screw, and drives the ram to perform X-axis lateral feed movement, and the X-axis feedback element is an imported grating ruler.

At the same time, the milling turret is fixed on the front end of the ram, and can move along with the ram in the X direction. The milling turret is equipped with imported high-speed milling spindles (single group and two groups are selected by the user), which can be controlled within 1 second. Acceleration from 0 to 12000r/min, the internal cooling device is installed inside the spindle to keep the temperature of the spindle stable. The front end of the main shaft is also equipped with a taper hole for tool installation. After the tool is inserted, it can be automatically locked by the broaching device. The tool taper handle meets the ISO standard.

The above-mentioned embodiment is only to express the embodiment of the utility model, and its description is relatively specific and detailed, but it should not be understood as limiting the patent scope of the utility model. It should be pointed out that those skilled in the art can make several modifications, equivalent replacements, improvements, etc. without departing from the concept of the utility model, all of which belong to the protection scope of the utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. A kind of 1. milling machine for the formed thin plate processing of cambered surface, it is characterised in that including：

   Base（1）；

   The base（1）, with workbench（2）Connection, the workbench（2）Upper end there is milling slide（5）, the milling cutter Frame（5）With knife rest lathe bed（3）Connection, the knife rest lathe bed（3）With feeding reduction box（6）Connection, the workbench（2）Also with very Empty set system connection；

   The workbench（2）, for driving the formed thin plate of cambered surface, arcuately guide rail makees C axis feed motions；

   The feeding reduction box（6）, for controlling the knife rest lathe bed（3）Feed；

   The vacuum system, clamps for vacuum suction mode and loosens the workbench（2）On the cambered surface it is formed thin Plate；

   Wherein, the formed gauge of sheet of the cambered surface is below 5mm.
2. A kind of 2. milling machine for the formed thin plate processing of cambered surface according to claim 1, it is characterised in that：

   The knife rest lathe bed（3）Both ends there is slide（4）；

   The feeding reduction box（6）Pass through the slide（4）With the knife rest lathe bed（3）It is slidably connected.
3. A kind of 3. milling machine for the formed thin plate processing of cambered surface according to claim 1, it is characterised in that：

   The workbench（2）, including：Chuck and chuck base, the chuck are connected with the chuck base, the chuck base With the base（1）Connection；

   The chuck, for installing and fixing the formed thin plate of the cambered surface；

   The chuck base, for supporting the chuck revolution.
4. A kind of 4. milling machine for the formed thin plate processing of cambered surface according to claim 3, it is characterised in that：

   The vacuum system, including：Vacuum unit exports source of the gas, and the vacuum unit output source of the gas is shunted by vacuum current divider And it is connected with the chuck.
5. A kind of 5. milling machine for the formed thin plate processing of cambered surface according to claim 3, it is characterised in that：

   The front end of the chuck base and the knife rest lathe bed（3）Connection, the bottom of the chuck base has chuck base case Body, the chuck base babinet is interior to have the feeding reduction box（6）.
6. A kind of 6. milling machine for the formed thin plate processing of cambered surface according to claim 3, it is characterised in that：

   Division has equidistant grid on the intrados of the chuck, and the grid is used for air gap sealed.
7. A kind of 7. milling machine for the formed thin plate processing of cambered surface according to claim 6, it is characterised in that：

   Between the grid and the formed thin plate of the cambered surface, also there is friction sucker；

   The friction sucker, for adsorbing and preventing the lateral displacement of the formed thin plate of the cambered surface.
8. A kind of 8. milling machine for the formed thin plate processing of cambered surface according to claim 3, it is characterised in that：

   The chuck is also connected with chuck gear ring, and the chuck gear ring drives the chuck, and arcuately guide rail makees C axis feed motions.
9. A kind of 9. milling machine for the formed thin plate processing of cambered surface according to claim 5, it is characterised in that：

   There is square window, the feeding reduction box in the chuck base babinet（6）In side's window.
10. A kind of 10. milling machine for the formed thin plate processing of cambered surface according to claim 2, it is characterised in that：

    The slide（4）For rectangular guideway structure.