Back type five-axis structure

Abstract

A back type five-axis structure comprises a bottom frame, a first driving assembly, a second driving assembly, a bridge plate, a driving box and a top seat, wherein the first driving assembly and the second driving assembly are arranged on the bottom frame, the bridge plate is connected with the first driving assembly and the second driving assembly, the driving box is arranged on the bridge plate, and the top seat is arranged on the driving box. The first driving assembly comprises a first supporting frame, a first driving device, a first driving shaft, a first driving table, a first L-shaped plate and a first cross beam, the second driving assembly comprises a second supporting frame, a second driving device, a second driving shaft, a second driving table, a second cross beam and a second L-shaped plate, and a mounting space is defined by the first L-shaped plate, the second L-shaped plate and the bridge plate. The driving box is arranged in the mounting space, and the top seat extends out of the mounting space; when the top base is adjusted to be perpendicular to the vertical direction, the height of the upper end face of the top base is larger than the heights of the first supporting frame, the second supporting frame, the first driving device and the second driving device, and therefore the large workpiece is not affected by the first supporting frame, the second supporting frame, the first driving device and the second driving device in the machining process, and the machining angle is increased.

Description

Technical Field

[0001] The utility model relates to a processing machine tool, in particular to a back-type five-axis structure. Background Art

[0002] The five-axis linkage CNC machine tool is a machine tool with high technological content, high precision, and is specially used for processing complex surfaces. The five-axis linkage CNC machine tool system is a means to solve the processing of workpieces such as impellers, blades, marine propellers, heavy generator rotors, turbine rotors, and large diesel engine crankshafts.

[0003] A traditional five-axis machine tool is provided with a top seat, and a chuck is provided on the top seat for clamping the product to be processed, and the top seat is usually sunken. For the sunken top seat, after a large product is fixed, it is easy to be interfered by the power components and support frames on both sides during the rotation process, so that its rotation angle is limited, which brings troubles to the production enterprises. Utility Model Content

[0004] Based on this, it is necessary to provide a back-type five-axis structure to address the deficiencies in the prior art.

[0005] The technical solution of the utility model is: a back-type five-axis structure, which includes a base frame, a first drive assembly and a second drive assembly installed on the base frame, a bridge plate connecting the first drive assembly and the second drive assembly, a drive box installed on the bridge plate, a waterproof cover sleeved on the drive box and installed on the bridge plate, and a top seat installed on the drive box. The first drive assembly includes a first support frame, a first drive device, a first drive shaft, a first drive platform, a first L-plate, and a first crossbeam. The second drive assembly includes a second support frame, a second drive device, a second drive shaft, a second drive platform, a second crossbeam, The second L-plate, the bridge plate is arranged between the first support frame and the second support frame, an installation space is enclosed by the first L-plate, the second L-plate and the bridge plate, the drive box is arranged in the installation space, and the top seat extends out from the installation space; the first drive device is arranged on the outside of the first support frame in the horizontal direction, and the second drive device is arranged on the outside of the second support frame in the horizontal direction; when the top seat is adjusted to be perpendicular to the vertical direction, the upper end surface height of the top seat is higher than the first support frame and the second support frame, and the upper end surface height of the top seat in the vertical direction is also higher than the first drive device and the second drive device.

[0006] In one embodiment, the first driving device is mounted on the first supporting frame, the first driving shaft is mounted on the first supporting frame and connected to the first driving device, the first driving platform is connected to the first driving shaft, the first L-plate is mounted on the first driving platform, and the first crossbeam is mounted on the first L-plate.

[0007] In one embodiment, the second driving device and the second driving shaft are mounted on a second supporting frame, the second driving platform is connected to the second driving shaft, the second L-plate is mounted on the second driving platform, and the second crossbeam is mounted on the second L-plate.

[0008] In one of the embodiments, one end of the bridge plate is mounted on the second cross beam, and the other end of the bridge plate is mounted on the first cross beam.

[0009] In one embodiment, the second drive assembly further includes a power conversion device, which connects the second drive shaft and the second drive device.

[0010] In one embodiment, the first support frame and the second support frame are arranged opposite to each other in a horizontal direction.

[0011] In one of the embodiments, the base frame includes a bottom plate and two support plates installed on both sides of the bottom plate, the two support plates are arranged opposite to each other in the horizontal direction, the first support frame and the second support frame are respectively installed on the upper end surfaces of the two support plates in the vertical direction, and the first support frame and the second support frame are at the same height.

[0012] The beneficial effect of the back-type five-axis structure of the utility model is that: an installation space is enclosed between the first L-plate, the second L-plate and the bridge plate, the drive box is arranged in the installation space, and the top seat extends out from the installation space. When the top seat is adjusted to be perpendicular to the vertical direction, the upper end surface height of the top seat is greater than the height of the first support frame, the second support frame, the first drive device and the second drive device, so that the large workpiece fixed on the top seat is not affected by the first support frame, the second support frame, the first drive device and the second drive device during the horizontal rotation process, thereby increasing the processing angle and improving the flexibility and practicality of the five-axis machine tool during processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the structure of the back-type five-axis structure of the utility model;

[0014] Figure 2 for Figure 1 A schematic structural diagram of the shell body of the back-type five-axis structure from another angle;

[0015] Figure 3 for Figure 1 An exploded view of the back-type five-axis structure is shown. DETAILED DESCRIPTION

[0016] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the specific embodiments disclosed below.

[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0018] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0019] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0021] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0022] See also Figures 1 to 3 The utility model provides a back-type five-axis structure, including a base frame 10, a first driving assembly 20 and a second driving assembly 30 installed on the base frame 10, a bridge plate 40 connecting the first driving assembly 20 and the second driving assembly 30, a driving box 50 installed on the bridge plate 40, a waterproof cover 70 sleeved on the driving box 50 and installed on the bridge plate 40, and a top seat 60 installed on the driving box 50. The first driving assembly 20 and the second driving assembly 30 drive the bridge plate 40, the driving box 50 installed on the bridge plate 40, and the top seat 60 installed on the driving box 50 to adjust the angle in the circumferential direction of the vertical plane, and the driving box 50 drives the top seat 60 to adjust the angle in the circumferential direction of the horizontal plane.

[0023] The first driving assembly 20 includes a first supporting frame 21, a first driving device 22, a first driving shaft 23, a first driving platform 24, a first L-plate 25, and a first crossbeam 26. The first driving device 22 is mounted on the first supporting frame 21, the first driving shaft 23 is mounted on the first supporting frame 21 and connected to the first driving device 22, the first driving platform 24 is connected to the first driving shaft 23, the first L-plate 25 is mounted on the first driving platform 24, and the first crossbeam 26 is mounted on the first L-plate 25.

[0024] The second drive assembly 30 includes a second support frame 31, a second drive device 32, a second drive shaft 33, a power conversion device 37, a second drive platform 34, a second cross beam 36, and a second L-plate 35. The second drive device 32 and the second drive shaft 33 are mounted on the second support frame 31. In this embodiment, the power conversion device 37 is a gear set. The power conversion device 37 connects the second drive shaft 33 and the second drive device 32. The second drive platform 34 is connected to the second drive shaft 33. The second L-plate 35 is mounted on the second drive platform 34. The second cross beam 36 is mounted on the second L-plate 35. One end of the bridge plate 40 is mounted on the second cross beam 36, and the other end of the bridge plate 40 is mounted on the first cross beam 26.

[0025] During operation, the first driving device 22 and the second driving device 32 drive the first driving platform 24 and the second driving platform 34 to rotate in the same direction through the first driving shaft 23 and the second driving shaft 33 respectively. During the rotation process, the first driving platform 24 and the second driving platform 34 simultaneously drive the bridge plate 40, the driving box 50 installed on the bridge plate 40, and the top seat 60 installed on the driving box 50 to adjust the angle in the circumferential direction of the vertical plane. The driving box 50 drives the top seat 60 to adjust the angle in the circumferential direction of the horizontal plane.

[0026] In this embodiment, the base frame 10 is arranged in a U-shape as a whole. The base frame 10 includes a bottom plate 11 and two support plates 12 installed on both sides of the bottom plate 11. The two support plates 12 are arranged opposite to each other in the horizontal direction. The first support frame 21 and the second support frame 31 are respectively installed on the upper end surfaces of the two support plates 12 in the vertical direction, and the first support frame 21 and the second support frame 31 are flush with each other.

[0027] The first support frame 21 and the second support frame 31 are also arranged opposite to each other in the horizontal direction, the bridge plate 40 is arranged between the first support frame 21 and the second support frame 31, and an installation space 80 is formed between the first L plate 25, the second L plate 35 and the bridge plate 40. The drive box 50 is arranged in the installation space 80, and the top seat 60 extends from the installation space 80. The first drive device 22 is arranged on the outside of the first support frame 21 in the horizontal direction, and the second drive device 32 is arranged on the outside of the second support frame 31 in the horizontal direction. When the top seat 60 is adjusted to be perpendicular to the vertical direction, the upper end surface of the top seat 60 is higher than the first support frame 21 and the second support frame 31, and the upper end surface of the top seat 60 is also higher than the first drive device 22 and the second drive device 32 in the vertical direction.

[0028] The beneficial effect of the back-type five-axis structure of the utility model is that: an installation space 80 is enclosed between the first L plate 25, the second L plate 35 and the bridge plate 40, the drive box 50 is arranged in the installation space 80, and the top seat 60 extends out from the installation space 80. When the top seat 60 is adjusted to be perpendicular to the vertical direction, the upper end surface height of the top seat 60 is greater than the height of the first support frame 21, the second support frame 31, the first drive device 22 and the second drive device 32, so that the large workpiece fixed on the top seat 60 is not affected by the first support frame 21, the second support frame 31, the first drive device 22 and the second drive device 32 during the horizontal rotation, thereby increasing the processing angle and improving the flexibility and practicality of the five-axis machine tool during processing.

[0029] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0030] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A back-type five-axis structure, characterized in that: It includes a base frame, a first drive assembly and a second drive assembly installed on the base frame, a bridge plate connecting the first drive assembly and the second drive assembly, a drive box installed on the bridge plate, a waterproof cover sleeved on the drive box and installed on the bridge plate, and a top seat installed on the drive box. The first drive assembly includes a first support frame, a first drive device, a first drive shaft, a first drive platform, a first L-plate, and a first crossbeam. The second drive assembly includes a second support frame, a second drive device, a second drive shaft, a second drive platform, a second crossbeam, and a second L-plate. The bridge plate is arranged between the first support frame and the second support frame. An installation space is formed between the first L-plate, the second L-plate and the bridge plate. The drive box is arranged in the installation space, and the top seat extends out from the installation space. The first drive device is arranged on the outside of the first support frame in the horizontal direction, and the second drive device is arranged on the outside of the second support frame in the horizontal direction. When the top seat is adjusted to be perpendicular to the vertical direction, the upper end surface height of the top seat is higher than the first support frame and the second support frame, and the upper end surface height of the top seat in the vertical direction is also higher than the first drive device and the second drive device.

2. The back-type five-axis structure according to claim 1, characterized in that: The first driving device is mounted on the first supporting frame, the first driving shaft is mounted on the first supporting frame and connected to the first driving device, the first driving platform is connected to the first driving shaft, the first L-plate is mounted on the first driving platform, and the first crossbeam is mounted on the first L-plate.

3. The back-type five-axis structure according to claim 2, characterized in that: The second driving device and the second driving shaft are installed on the second supporting frame, the second driving platform is connected to the second driving shaft, the second L-plate is installed on the second driving platform, and the second crossbeam is installed on the second L-plate.

4. The back-type five-axis structure according to claim 3, characterized in that: One end of the bridge plate is installed on the second cross beam, and the other end of the bridge plate is installed on the first cross beam.

5. The back-type five-axis structure according to claim 1, characterized in that: The second drive assembly further includes a power conversion device, which connects the second drive shaft and the second drive device.

6. The back-type five-axis structure according to claim 1, characterized in that: The first support frame and the second support frame are arranged opposite to each other in a horizontal direction.

7. The back-type five-axis structure according to claim 6, characterized in that: The base frame includes a bottom plate and two support plates installed on both sides of the bottom plate. The two support plates are arranged opposite to each other in the horizontal direction. The first support frame and the second support frame are respectively installed on the upper end surfaces of the two support plates in the vertical direction. The first support frame and the second support frame are flush with each other.

Images