Blisk polishing machine tool with five rotary tables

Abstract

The utility model relates to the field of blisk processing machine tools, in particular to a blisk polishing machine tool with five rotary tables, which comprises a machine tool body, the machine tool body comprises a base and a stand column, and the stand column is fixed at the top of one end of the outer wall of the base; the sliding seat and ram assembly comprises a sliding seat and a ram, and the sliding seat is movably connected to the top of the outer wall of the stand column; the device further comprises a swinging head assembly and a cradle rotating workbench assembly. The rotary table mechanism comprises a shaft box, a motor, a rotor, a movable tooth speed reducer, a circular grating and a transition connecting disc, and the rotary table mechanism is a specific internal structure of the multiple sets of rotary tables; according to the utility model, the sliding seat ram assembly, the swinging head assembly and the cradle rotating table assembly are matched, so that the machining flexibility of the machine tool on the blisk is greatly improved, and the machining quality deviation caused by human subjective factors is reduced; full-closed-loop control is achieved through the rotary table mechanism, the torque is large, and the positioning precision is high.

Description

Technical Field

[0001] The utility model relates to the field of integral blisk processing machine tools, in particular to an integral blisk polishing machine tool with five turntables. Background Art

[0002] At present, the integral blisk is a new type of structural part designed to meet the requirements of high-performance aero-engines. It integrates the engine rotor blades and the disk, eliminating the tenons, mortises, and locking devices in traditional connections, reducing the structural weight and the number of parts, avoiding the airflow loss at the tenons, improving the aerodynamic efficiency, and greatly simplifying the engine structure. It has now been widely used in military and civil aero-engines in various countries.

[0003] The following problems exist currently;

[0004] However, the manufacturing process of integral blisks is complex. At present, the polishing of integral blisks mostly adopts manual polishing and abrasive belt grinding. Manual polishing is affected by the proficiency of workers and other subjective factors, and it is difficult to guarantee the polishing quality. Abrasive belt grinding cannot complete the full-profile polishing, and the problem of integral blisk polishing has not been solved. Summary of the Utility Model

[0005] The purpose of this part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part, as well as in the abstract and the title of the utility model of this application, to avoid obscuring the purpose of this part, the abstract, and the title of the utility model. However, such simplifications or omissions shall not be used to limit the scope of the utility model.

[0006] In view of the above and / or existing problems, the present utility model is proposed.

[0007] Therefore, the first technical problem to be solved by the present utility model is that the polishing of integral blisks mostly adopts manual polishing and abrasive belt grinding. Manual polishing is affected by the proficiency of workers and other subjective factors, and it is difficult to guarantee the polishing quality.

[0008] To solve the above technical problems, the present utility model provides the following technical solutions: An integral blisk polishing machine tool with five turntables, comprising a machine body, the machine body includes a base and a column, and the column is fixed to the top of one end of the outer wall of the base; a slide base and ram assembly, the slide base and ram assembly includes a slide base and a ram, and the slide base is movably connected to the top of the outer wall of the column; a swivel head assembly, the swivel head assembly includes a first turntable, a second turntable, a third turntable and a spindle box assembly, and the whole swivel head assembly is connected to the ram of the slide base and ram assembly; a cradle rotary worktable assembly, the cradle rotary worktable assembly includes a fourth turntable, a cross-over plate and a fifth turntable, the cradle rotary worktable assembly is connected to the column and is located on the top of the base, and a fixing fixture is arranged at the end of the fifth turntable, and the fifth turntable is connected to the integral blisk through the fixing fixture; a turntable mechanism, the turntable mechanism includes a spindle box, a motor, a rotor, a harmonic reducer, a circular grating and a transition connecting plate, and the turntable mechanism is the specific internal structure of several groups of turntables.

[0009] As a preferred scheme of the integral blisk polishing machine tool with five turntables according to the present utility model, wherein: guide rails are arranged at both ends of the top of the column, an X-axis motor is arranged on the top of the outer wall of the column, the X-axis motor is connected with a connecting lead screw, the connecting lead screw is connected with the slide base, the slide base is slidably connected to the top of the column through the connecting lead screw, a slider is arranged at the bottom of the slide base, the slider is slidably connected in the guide rail of the column, the ram is slidably connected to the top of the slide base through a motor and a lead screw, and the sliding direction of the slide base and the ram is perpendicular to the sliding direction of the slide base and the column.

[0010] As a preferred scheme of the integral blisk polishing machine tool with five turntables according to the present utility model, wherein: a connecting plate is fixedly connected to one end of the outer wall of the ram, the outer wall of the connecting plate is fixedly connected to the first turntable through bolts, the second turntable is connected to the end of the first turntable, the third turntable is connected to the end of the second turntable, the spindle box assembly is connected to the end of the third turntable, an electric spindle is rotatably connected to the spindle box assembly, and the electric spindle is fixedly connected to a machining tool.

[0011] As a preferred scheme of the integral blisk polishing machine tool with five turntables according to the present utility model, wherein: a chip collection groove is formed on the top of the outer wall of the base, and a support seat plate is fixedly connected to the top of one end of the outer wall of the base away from the column.

[0012] As a preferred scheme of the integral blisk polishing machine tool with five turntables according to the present utility model, wherein: the fourth turntable in the cradle rotary worktable assembly is rotatably connected to the column, the cross-over plate is connected to the end of the fourth turntable, the other end of the cross-over plate is clamped in the support seat plate, and the fifth turntable is connected to the middle of the cross-over plate.

[0013] As a preferred embodiment of the integral blisk polishing machine tool with five turntables according to the present utility model, wherein: a motor is fixedly connected inside the axle box, the motor is provided with a rotor, the movable tooth reducer is fixedly arranged inside the axle box, the input end of the movable tooth reducer is connected to the output end of the motor, the circular grating is fixed to the output end of the corresponding turntable, and the transition connecting plate is connected to the output end of the movable tooth reducer by screws.

[0014] As a preferred embodiment of the integral blisk polishing machine tool with five turntables according to the present utility model, wherein: a tool magazine assembly is fixedly connected to the outer wall of the column by screws.

[0015] The beneficial effects of the present utility model are as follows: Through the cooperation of the slide base and ram assembly, the swing head assembly and the cradle rotary table assembly, the flexibility of the machine tool for processing integral blisks is greatly increased, and the processing quality deviation caused by human subjective factors is reduced; Through the turntable mechanism, full closed-loop control is realized, and it has large torque and high positioning accuracy. Description of the Drawings

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for description in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. Among them:

[0017] Figure 1 It is a schematic diagram of the overall structure in an integral blisk polishing machine tool with five turntables provided by the present utility model;

[0018] Figure 2 It is a schematic diagram of the structure of the swing head assembly in an integral blisk polishing machine tool with five turntables provided by the present utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the slide base and ram assembly in an integral blisk polishing machine tool with five turntables provided by the present utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the cradle rotary table assembly in an integral blisk polishing machine tool with five turntables provided by the present utility model;

[0021] Figure 5 It is a schematic cross-sectional view of the structure of each turntable mechanism in an integral blisk polishing machine tool with five turntables provided by the present utility model. Detailed Embodiments

[0022] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the following will describe in detail the specific embodiments of the present utility model with reference to the accompanying drawings of the specification.

[0023] In the following description, many specific details are set forth in order to provide a thorough understanding of the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present utility model. Therefore, the present utility model is not limited by the specific embodiments disclosed below.

[0024] Secondly, the present utility model will be described in detail with reference to the schematic diagrams. When detailing the embodiments of the present utility model, for the convenience of explanation, the cross-sectional views showing the device structure will be enlarged locally in a non-general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present utility model herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0025] Furthermore, the so-called "one embodiment" or "embodiment" herein refers to specific features, structures, or characteristics that may be included in at least one implementation manner of the present utility model. The "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment that mutually excludes other embodiments.

[0026] Embodiment 1

[0027] Referring to Figures 1 to 5 , this embodiment provides an integral blisk polishing machine tool with five turntables, including a machine body 100, the machine body 100 includes a base 101 and a column 102, and the column 102 is fixed to the top of one end of the outer wall of the base 101; a slide-saddle assembly 200, the slide-saddle assembly 200 includes a slide 201 and a saddle 202, and the slide 201 is movably connected to the top of the outer wall of the column 102; a swivel head assembly 300, the swivel head assembly 300 includes a first turntable 301, a second turntable 302, a third turntable 303, and a spindle box assembly 304, and the swivel head assembly 300 as a whole is connected to the saddle 202 of the slide-saddle assembly 200; a cradle rotary table assembly 400, the cradle rotary table assembly 400 includes a fourth turntable 401, a cross bridge 402, and a fifth turntable 403, the cradle rotary table assembly 400 is connected to the column 102 and is located on the top of the base 101, and a fixing fixture is provided at the end of the fifth turntable 403, and the fifth turntable 403 is connected to the integral blisk through the fixing fixture; a turntable mechanism 500, the turntable mechanism 500 includes a housing 501, a motor 502, a rotor 503, a harmonic reducer 504, a circular grating 505, and a transition connecting plate 506, and the turntable mechanism 500 is the specific internal structure of several groups of turntables.

[0028] At both ends of the top of the column 102, there are guide rails 102a. On the top of the outer wall of the column 102, there is an X-axis motor 102b. The X-axis motor 102b is connected to a connecting lead screw 102c. The connecting lead screw 102c is connected to the sliding seat 201. The sliding seat 201 is slidably connected to the top of the column 102 through the connecting lead screw 102c. At the bottom of the sliding seat 201, there is a slider 201a. The slider 201a is slidably connected within the guide rail 102a of the column 102. The ram 202 is slidably connected to the top of the sliding seat 201 through a motor and a lead screw. The sliding direction of the sliding seat 201 and the ram 202 is perpendicular to the sliding direction of the sliding seat 201 and the column 102. The function of the sliding seat-ram assembly 200 is to control the position of the swing head assembly 300, and thus control the orientation and feed of the machining tool. Among them, through the cooperation of the X-axis motor 102b and the connecting lead screw 102c, the sliding seat 201 is slidably connected to the top of the column 102. This is the coordinate control of the X-axis of the machine tool tool. Through the sliding connection between the ram 202 and the sliding seat 201, the coordinate control of the Y-axis of the machine tool tool is realized.

[0029] One end of the outer wall of the ram 202 is fixedly connected with a connecting plate 202a. The outer wall of the connecting plate 202a is fixedly connected to the first turntable 301 through bolts. The end of the first turntable 301 is connected to the second turntable 302. The end of the second turntable 302 is connected to the third turntable 303. The end of the third turntable 303 is connected to the spindle box assembly 304. The spindle box assembly 304 is rotatably connected to an electric spindle 304a. The electric spindle 304a is fixedly connected to the machining tool. The swing head assembly 300 is specifically a three-swing-head turntable. Among them, through the rotation of the first turntable 301, the Z-axis control of the machine tool tool is realized. And through the cooperation of the first turntable 301 with the second turntable 302 and the third turntable 303, the machine tool tool can be switched between the vertical and horizontal states, enabling the machine tool to perform more complex machining.

[0030] At the top of the outer wall of the base 101, there is a chip collection groove 101a. At the top of one end of the outer wall of the base 101 away from the column 102, there is a support seat plate 101b fixedly connected. The chip collection groove 101a is used to collect the waste materials or chips after the machining of the machine tool, making it more convenient for processing or recycling.

[0031] The fourth turntable 401 in the cradle rotary table assembly 400 is rotatably connected to the column 102. The end of the fourth turntable 401 is connected to a cross bridge plate 402. The other end of the cross bridge plate 402 is clamped within the support seat plate 101b. The middle of the cross bridge plate 402 is connected to a fifth turntable 403. The function of the fourth turntable 401 is to control the cross bridge plate 402 and drive the fifth turntable 403 to rotate. Through the rotation of the fourth turntable 401, the coordinate control of the B-axis of the integral blisk is realized. And the fifth turntable 403 drives the integral blisk to rotate through a fixed fixture, and the coordinate control of the C-axis of the integral blisk is realized through the fifth turntable 403.

[0032] Inside the axle box 501, there is a motor 502 fixedly connected. The motor 502 is provided with a rotor 503. The oscillating tooth speed reducer 504 is fixedly arranged inside the axle box 501. The input end of the oscillating tooth speed reducer 504 is connected to the output end of the motor 502. The circular grating 505 is fixed to the output end of the corresponding turntable. The transition connecting disk 506 is connected to the output end of the oscillating tooth speed reducer 504 by screws. The motor 502 provides a power source for the rotation of the turntable. The function of the oscillating tooth speed reducer 504 is to increase the output torque of the motor 502 and reduce the inertia of the load, making the output of the turntable more stable. The function of the circular grating 505 is to measure and calibrate the rotation of each turntable, thereby realizing the full closed-loop control of each turntable. Each turntable is connected and fixed to the turntable mechanism 500 through screws and the transition connecting disk 506 to achieve transmission output.

[0033] On the outer wall of the column 102, there is a tool magazine assembly 600 fixedly connected by screws.

[0034] Among them, the fixing tooling for fixing the integral blisk and the clamping parts for the cutting tools are both common prior arts, so they will not be elaborated here.

[0035] Importantly, it should be noted that the structures and arrangements of the present application shown in multiple different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who refer to this disclosure should easily understand that many modifications are possible on the premise of substantially not deviating from the novel teachings and advantages of the subject matter described in this application (for example, the dimensions, scales, structures, shapes and proportions of various components, and parameter values (such as temperature, pressure, etc.), installation arrangements, use of materials, color, orientation changes, etc.). For example, an element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature, number or position of discrete elements can be changed or altered. Therefore, all such modifications are intended to be included within the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures that perform the recited function herein, and not only structurally equivalent but also equivalent structures. Other substitutions, modifications, changes and omissions can be made in the design, operating conditions and arrangements of the exemplary embodiments without departing from the scope of the present utility model. Therefore, the present utility model is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0036] In addition, in order to provide a concise description of the exemplary embodiments, not all features of the actual embodiments may be described (i.e., those features that are not relevant to the currently considered best mode of implementing the present utility model or those features that are not relevant to the implementation of the present utility model).

[0037] It should be understood that, during the development of any actual implementation, such as in any engineering or design project, a large number of specific implementation decisions can be made. Such development efforts may be complex and time-consuming, but for those of ordinary skill in the art who benefit from this disclosure, without excessive experimentation, such development efforts will be a routine task of design, manufacture, and production.

[0038] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered by the scope of the claims of the present invention.

Claims

1. A blisk polishing machine with five turntables, characterized in that: The bed body (100) comprises a base (101) and a column (102), wherein the column (102) is fixed to the top of one end of the outer wall of the base (101); A slide seat and ram assembly (200), the slide seat and ram assembly (200) comprising a slide seat (201) and a ram (202), the slide seat (201) being movably connected to the top of the outer wall of the column (102); A swing head assembly (300), the swing head assembly (300) comprising a first turntable (301), a second turntable (302), a third turntable (303) and a spindle box assembly (304), the swing head assembly (300) being integrally connected to a ram (202) of a slide seat ram assembly (200); A cradle rotary table assembly (400), the cradle rotary table assembly (400) comprising a fourth rotary table (401), a bridge plate (402) and a fifth rotary table (403), the cradle rotary table assembly (400) being connected to the column (102) and located on the top of the base (101), a fixing fixture being provided at the end of the fifth rotary table (403), and the fifth rotary table (403) being connected to the integral blade disk via the fixing fixture; A turntable mechanism (500), the turntable mechanism (500) comprises an axle box (501), a motor (502), a rotor (503), a movable tooth reducer (504), a circular grating (505) and a transition connection plate (506), and the turntable mechanism (500) is the specific internal structure of several groups of turntables.

2. The blisk polishing machine tool with five turntables according to claim 1, characterized in that: Guide rails (102a) are arranged at both ends of the top of the column (102); an X-axis motor (102b) is arranged at the top of the outer wall of the column (102); the X-axis motor (102b) is connected to a connecting screw (102c); the connecting screw (102c) is connected to a slide seat (201); the slide seat (201) is slidably connected to the top of the column (102) via the connecting screw (102c); a slider (201a) is arranged at the bottom of the slide seat (201); the slider (201a) is slidably connected in the guide rail (102a) of the column (102); the ram (202) is slidably connected to the top of the slide seat (201) via the motor and the screw; and the sliding direction of the slide seat (201) and the ram (202) is perpendicular to the sliding direction of the slide seat (201) and the column (102).

3. The blisk polishing machine tool with five turntables according to claim 2, characterized in that: One end of the outer wall of the ram (202) is fixedly connected to a connecting disk (202a); the outer wall of the connecting disk (202a) is fixedly connected to the first turntable (301) by bolts; the end of the first turntable (301) is connected to the second turntable (302); the end of the second turntable (302) is connected to the third turntable (303); the end of the third turntable (303) is connected to a spindle box assembly (304); the spindle box assembly (304) is rotatably connected to an electric spindle (304a); and the electric spindle (304a) is fixedly connected to a machining tool.

4. The blisk polishing machine tool with five turntables according to claim 3, characterized in that: The top of the outer wall of the base (101) is provided with a chip collecting groove (101a), and the top of one end of the outer wall of the base (101) away from the column (102) is fixedly connected with a supporting seat plate (101b).

5. The blisk polishing machine tool with five turntables according to claim 4, characterized in that: The fourth turntable (401) in the cradle turntable assembly (400) is rotatably connected to the column (102), the end of the fourth turntable (401) is connected to a bridge plate (402), the other end of the bridge plate (402) is clamped in the support seat plate (101b), and the middle of the bridge plate (402) is connected to a fifth turntable (403).

6. The blisk polishing machine tool with five turntables according to claim 5, characterized in that: The shaft box (501) is fixedly connected to a motor (502), the motor (502) is provided with a rotor (503), the movable tooth reducer (504) is fixedly arranged inside the shaft box (501), the input end of the movable tooth reducer (504) is connected to the output end of the motor (502), the circular grating (505) is fixed to the output end of the turntable, and the transition connection plate (506) is connected to the output end of the movable tooth reducer (504) via screws.

7. The blisk polishing machine tool with five turntables according to claim 6, characterized in that: The outer wall of the column (102) is fixedly connected to a tool magazine assembly (600) via screws.

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