RU222697U1 - PORTABLE MACHINE FOR PROCESSING LARGE PARTS WITH MAINLY RADIAL SYMMETRY - Google Patents

Abstract

The utility model relates to the field of metalworking and can be used in the manufacture and repair of large-sized parts, mainly with radial symmetry, for example, excavator bases. The portable machine contains a support configured to be installed and fastened on the workpiece, a traverse having a mechanism for its rotation relative to the support, a support mounted on the traverse with the possibility of positioning in the radial direction by means of an appropriate drive, and a spindle block mounted on the support with the possibility of positioning in vertical direction using a suitable drive. Moreover, it is equipped with an outer annular support, configured to be fixed to the workpiece, while the outer annular support is movably articulated with the traverse through carriages mounted on the traverse, and the said traverse rotation mechanism is made in the form of a rotating platform mounted on the support through a rotary support device, and the corresponding drive, and the traverse is rigidly fastened by one end part to the turntable. The use of a utility model allows you to expand the technological capabilities of the machine. 6 salary f-ly, 2 ill.

Description

The utility model relates to the field of mechanical engineering, namely to portable machines for processing large-sized parts, mainly with radial symmetry, containing a support configured to be installed and fastened on the workpiece, a traverse and a spindle block, and can be used in the manufacture and repair of large-sized parts, predominantly with radial symmetry, in particular, the bases of excavators.

State of the art

A portable machine for processing large-sized parts is known, containing a ring-shaped base mounted on the workpiece through technological spacers and attached to them, a rotary table with a table rotation drive installed on the base through a ball shoulder strap, a traverse mounted on the rotary table with its outer parts, a spindle block moving along the traverse guide using a drive mounted on the traverse, and a quill moving with the spindle in the vertical direction along the spindle block with fixation using crackers (RU 2318646 C2, 12/26/2005, [1]).

The disadvantage of the analogue [1] is that the processing area of the machine is limited by the internal space of the base and the size of the base is limited by transport dimensions.

A portable radial milling machine is known, containing a column installed with its base in the central hole of the workpiece, carrying a traverse, along the guides of which, by means of a gearbox, a carriage with a rotating spindle head moves horizontally, receiving vertical movement from the same gearbox through a gear transmission and vertical feed screw (SU 109110, 04/04/1956, [2]).

The closest analogue to the technical solution chosen for the prototype is a portable machine for processing large-sized parts, containing a support configured to be installed and secured in the center of the workpiece, a cross-beam hinged to the support, on which a spindle block is installed with the possibility of radial and vertical positioning , as well as a block for rotary movement of the traverse, preferably made in the form of a trolley moving along the workpiece, connected to the traverse in the area of its end part via a detachable connection (RU 142145 U1, 12/20/2013, [3]).

The disadvantage of the prototype [3] and the previous analogue [2] is the impossibility of processing with their help the central section of the part used for mounting analogues, as well as the presence of special requirements for pre-processing in this area of the seat and mounting holes corresponding to the machine support.

The technical problem being solved is the need to create a portable machine with advanced technological capabilities that allows processing in one installation all the surfaces of large-sized parts that require mechanical processing, such as excavator bases.

Disclosure of utility model

This utility model is mainly intended to offer a portable machine for processing a large part having predominantly radial symmetry, containing a support configured to be installed and fastened on the workpiece, a traverse having a mechanism for its rotation relative to the support, a caliper mounted on the traverse with the possibility of positioning in the radial direction by means of a corresponding drive, and a spindle unit mounted on a support with the possibility of positioning in the vertical direction by means of a corresponding drive, allowing processing in one installation of all surfaces of large parts requiring machining, such as the bases of excavators, which is the supplied technical task.

To achieve this goal, the portable machine is equipped with an outer annular support, configured to be attached to the workpiece, while the outer annular support is movably articulated with the traverse through carriages fixed to the traverse, and the said mechanism for rotating the traverse is made in the form of a rotating platform mounted on the support through a slewing support device, and a corresponding drive, wherein the traverse is rigidly fastened by one end part to the turntable.

Thanks to such advantageous characteristics, it becomes possible to process in one installation all surfaces of large-sized parts that require mechanical processing, such as excavator bases.

In addition, it becomes possible to carry out processing on the outer cylindrical surface of the part when extending the spindle block beyond the dimension of the part, thanks to the support of the rigid traverse on the outer ring support.

There is also another possible embodiment of the utility model, in which the rotary platform predominantly contains an opening for processing the part through it.

Thanks to such advantageous characteristics, it becomes possible to process the part through the opening of the rotary platform.

There is also a possible embodiment of the utility model, in which the support and the outer annular support are made with mechanisms for positioning them on the workpiece.

Thanks to such advantageous characteristics, it becomes possible to secure the support and the outer ring support to the workpiece using technological spacers.

There is also another possible embodiment of the utility model, in which the mentioned drive of the traverse rotation mechanism is installed on a turntable.

Thanks to such advantageous characteristics, it becomes possible to specifically rotate the turntable.

In addition, there is also another possible embodiment of the utility model, in which the outer annular support is made of several sectors fastened together.

Thanks to such advantageous characteristics, the possibility of another specific implementation of the utility model arises, in which the design of the outer annular support consists of several sectors fastened together.

There is also another possible embodiment of the utility model, in which the traverse can be secured to the turntable via a detachable connection.

Thanks to such advantageous characteristics, it becomes possible to specifically design the traverse.

There is also a possible embodiment of the utility model, in which the support is installed inside the traverse.

Thanks to such advantageous characteristics, it becomes possible to place a radial caliper inside it.

Brief description of the drawings.

Other distinctive features and advantages of this utility model clearly emerge from the description given below for illustrative purposes and not being limiting, with reference to the accompanying drawings, in which:

fig. Figure 1 shows a machine installed on a workpiece, according to the utility model,

fig. 2 shows a separate side view of the machine support, according to the utility model.

In fig. 1 and 2 are indicated:

1 - workpiece;

2 - outer ring support;

3 - support;

4 - technological spacers;

5 - rotating platform;

6 - rotating support;

7 - traverse;

8 - carriages;

9 - first drive;

10 - caliper;

11 - second drive;

12 - third drive;

13 - slider;

14 - spindle block;

15 - main drive;

16 - electrical cabinet;

17 - operator platform;

18 - control panel.

The portable machine (Fig. 1) includes an outer ring support 2 and a support 3, installed, aligned and secured to the workpiece 1 through technological spacers 4 in places not subject to processing.

For workpieces that have a central hole, supports 2 and 3 are aligned coaxially with this hole.

The rotating platform 5 is mounted on a support 3 through a rotating support device 6. On the rotating platform 5, a cross-beam 7, which is a rigid closed structure, is installed and rigidly fixed at one of its end parts. On the traverse 7, carriages 8 are fixed, which are movably articulated with the outer ring support 2. In this case, the carriages 8 are equidistant from the center of rotation.

The turntable 5 together with the traverse 7 performs a rotational movement through the first drive 9 installed on the turntable 5.

Inside the traverse 7, a support 10 is installed with the possibility of radial movement along its guides, shown in detail in Fig. 2. The support 10 moves through the second drive 11. Along the vertical guides of the support 10, through the third drive 12, the slide 13 moves, with the spindle block 14 installed in it, driven by the main drive 15.

The power supply of the machine is supplied via a cable laid inside the workpiece 1, through a current collector installed in the central part of the workpiece 1 (not shown in the figures), to an electrical cabinet 16 installed on the operator platform 17. Feeds and positioning along the axes of the machine are carried out using drives 9 , 11, 12, as well as the main drive 15, are set and controlled by the operator using the control panel 18.

Examples of specific implementation.

Example 1. The design of the outer ring support 2 consists of several sectors fastened together.

Example 2. The cross-beam 7 is fixed to the turntable 5 by means of a detachable connection.

Example 3. The operator platform 17 is fixed with the possibility of rotation together with the traverse 7 and the turntable 5.

Implementation of a utility model.

When the machine is operating, the mandrel with the metal-cutting tool is installed in the spindle cone and rotates with it. To work with a tool with a large reach, supporting devices are used that are attached to the end of the slide 13. The spindle block 14 is positioned by positioning feeds relative to the workpiece surfaces using drives 9, 11 and 12, and processes the part by moving the working feed along one axis, or along several axes at once in accordance with the control program, mainly the working feed of rotation of the turntable 5.

To process the central part of the part, the spindle block 14 is lowered into the opening of the rotary platform 5. When moving the support 10 along the traverse 7 in positions dangerous for a collision of the spindle block 14 with the rotary platform 5, the outer ring support 2, or the structural elements of the traverse 7 itself, the spindle block 14 with slider 13 is raised to the highest position. Control of the position of the spindle block 14 depending on the position of the support 10 is carried out electrically.

Machining on the outer cylindrical surface of the part is carried out using end and three-sided cutters (not shown), when the axis of the spindle block 14 is moved beyond the dimension of the part by moving the caliper 10 along the traverse 7.

Industrial applicability

A portable machine for processing large-sized parts, mainly with radial symmetry, can be implemented by a specialist in practice and, when implemented, ensures the implementation of the stated purpose, which allows us to conclude that it meets the criterion of “industrial applicability” for a utility model.

A portable machine for processing large parts has been put into production and has successfully passed preliminary tests.

As a result of the test, it was shown that due to the proposed structural modifications, it becomes possible to process in one installation all the surfaces of large-sized parts that require mechanical processing, such as the bases of excavators. It also becomes possible to process on the outer cylindrical surface of a part when the spindle block is extended beyond the dimensions of the part, thanks to the support of a rigid traverse on the outer ring support.

Claims (7)

1. A portable machine for processing a large-sized part having predominantly radial symmetry, containing a support configured to be installed and fastened on the workpiece, a traverse having a mechanism for its rotation relative to the support, a support mounted on the traverse with the possibility of positioning in the radial direction by means of an appropriate drive , and a spindle unit mounted on a support with the possibility of positioning in the vertical direction by means of an appropriate drive, characterized in that it is equipped with an outer annular support configured to be mounted on the workpiece, while the outer annular support is movably articulated with the traverse through carriages mounted on traverse, and the mentioned mechanism for turning the traverse is made in the form of a rotating platform mounted on a support through a rotary support device, and a corresponding drive, and the traverse is rigidly fastened by one end part to the rotating platform. 2. The machine according to claim 1, characterized in that the rotary platform is made with an opening to allow processing of the part through it. 3. The machine according to claim 1, characterized in that the support and the outer ring support are made with mechanisms for positioning them on the workpiece. 4. The machine according to claim 1, characterized in that the mentioned drive of the traverse rotation mechanism is installed on a turntable. 5. The machine according to claim 1, characterized in that the outer ring support is made of several sectors fastened together. 6. The machine according to claim 1, characterized in that the traverse is fixed to the turntable via a detachable connection. 7. The machine according to claim 1, characterized in that the support is installed inside the traverse.