CN112894674A - Flexible positioning device for assembling unit bodies of gas compressor - Google Patents
Flexible positioning device for assembling unit bodies of gas compressor Download PDFInfo
- Publication number
- CN112894674A CN112894674A CN202110068577.6A CN202110068577A CN112894674A CN 112894674 A CN112894674 A CN 112894674A CN 202110068577 A CN202110068577 A CN 202110068577A CN 112894674 A CN112894674 A CN 112894674A
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- press
- sliding seat
- seat
- axis
- compressor unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
Abstract
The invention discloses a flexible positioning device for assembling unit bodies of a gas compressor. The device comprises a stand column, a Z-direction guide rail pair, a Z-direction worm gear reducer, a Z-direction trapezoidal screw rod pair, a Z-axis servo motor, a Z-direction sliding seat, an HMI (human machine interface), a Y-direction sliding seat, a Y-direction guide rail pair, a single-axis driver, a servo press, a press-fitting pressure head, a rotating seat base, a rotating seat support, a clamping seat, a rotating motor, a gear pair and a control cabinet. The compressor unit body can realize the integral A-axis rotation of a product and the position movement of the press-fitting pressure head in the Z-axis and Y-axis directions in the assembling process, so that the accessibility requirement of man-machine engineering operation in the assembling process is met, and the compressor unit body has the characteristics of flexibility, automation, multiple functions and the like, so that the assembling efficiency and quality are improved, and the manual labor intensity is reduced.
Description
Technical Field
The invention relates to a flexible positioning device for assembling a unit body of a gas compressor, belonging to the field of automatic, digital and intelligent manufacturing and assembling of aerospace engines.
Background
The aircraft engine is the heart of the aircraft, is known as the pearl on the crown of modern industry, and the manufacturing level of the aircraft engine is an important mark of national military equipment, scientific and technical industry level and comprehensive national strength. In recent years, foreign engine manufacturers, such as Sneckma (SNECMA), boon (PW), etc., have been upgraded from the traditional manual assembly mode to the automatic, digital, and intelligent advanced manufacturing technology, and especially, the investment effect on the production line and the core equipment is obvious. At present, the assembly of the domestic aero-engine still adopts the traditional fixed station type assembly mode and the manual assembly method, the assembly precision is high and low, the assembly quality is stable, the operation experience and the proficiency of an assembly worker are seriously depended on, the assembly quality is unstable, the assembly efficiency is low, the labor intensity of the worker is high, and the assembly operation management is difficult. The engine has a complex structure and a large number of parts, a large amount of repeated assembly, measurement and other work is required in the assembly process from partial assembly to final assembly, the accessibility of the man-machine engineering is poor, the engine is required to be repeatedly turned over for many times in the vertical or circumferential direction, and the assembly, the size measurement and other operations of the engine are facilitated. In each domestic aeroengine manufacturing host machine factory, no matter the unit body part assembly, still assemble the assembly and all adopt traditional simple assembly jig of welding, degree of automation is low, and is inefficient, has seriously restricted the requirement that the aircraft manufacturing of contemporary put forward short delivery cycle, high reliability and long-life etc. to the engine.
Aiming at the requirements, the invention provides a flexible positioning device for assembling the unit bodies of the air compressor, which can automatically complete the Z-direction up-and-down movement, the Y-direction forward-and-backward movement, the Z-direction pressing operation and the rotating motion of the unit bodies of the air compressor in the A axis within the stroke range of the press-fitting pressing head in the assembling process of the air compressor according to the operation requirements in the assembling process of the unit bodies, thereby reducing the labor intensity and having good accessibility; the method is an important innovation for changing the assembly of the aero-engine from the traditional fixed assembly mode to the flexible, digital and intelligent assembly technology, and has wide application prospect in the fields of digital and intelligent assembly of the aero-space engine.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, has the characteristics of flexibility, automation, high digitization degree, low investment cost, good accessibility for workers, high assembly efficiency and the like, and has important significance for carrying out comprehensive technical upgrade on the assembly of the unit body parts of the air compressor related to the aircraft engine.
The invention provides a flexible positioning device for assembling a compressor unit body, which comprises an upright post, a Z-direction guide rail pair, a Z-direction worm gear speed reducer, a Z-direction trapezoidal screw rod pair, a Z-axis servo motor, a Z-direction sliding seat, an HMI (human machine interface), a Y-direction sliding seat, a Y-direction guide rail pair, a single-axis driver, a servo press, a press-fitting pressure head, a rotating seat base, a rotating seat support, a clamping seat, a rotating motor and a control cabinet, wherein the Z-direction trapezoidal screw rod pair is arranged;
the Z-direction guide rail pair is arranged on the stand column along a Z axis, the Z-direction sliding seat is connected with the stand column through the Z-direction guide rail pair, the HMI human-computer interface is used for receiving a control instruction to control the Z-axis servo motor, the output of the Z-axis servo motor is transmitted to the Z-direction trapezoidal screw rod pair through the Z-direction worm gear reducer, and the Z-direction trapezoidal screw rod pair drives the Z-direction sliding seat to realize Z-direction up-down movement;
the Y-direction sliding seat is connected with the Z-direction sliding seat through a Y-direction guide rail pair, and the Y-direction sliding seat can move in the Y direction through a single-shaft driver arranged on the Z-direction sliding seat; the servo press is vertically arranged on the Y-direction sliding seat, the press-mounting pressure head is arranged at the head of the servo press, the press-mounting pressure head can move along the Y-direction sliding seat along the Z direction and the Y direction, and when the Y-direction sliding seat and the Z-direction sliding seat stop at the appointed positions, the servo press can drive the press-mounting pressure head to carry out up-and-down pressing operation on the compressor unit; an L-shaped rotating seat support is welded on the left side of a rotating seat base, a pluggable clamping seat is installed on the upper portion of the support, a rotating seat is installed on the rotating seat base, the rotating seat and the clamping seat are concentric, a gas compressor unit can be vertically placed between the rotating seat and the clamping seat, and a rotating motor is used for driving the gas compressor unit to rotate; the control cabinet is arranged at the back of the upright post, and the Z-axis servo motor, the single-axis driver, the servo press and the rotating motor are independently controlled by each output driving signal of the control cabinet; the HMI is used as a user operation interface, a user can start and stop the working parameters of the device or adjust the working parameters of the device, and meanwhile, the control cabinet displays the current working parameters of the Z-axis servo motor, the single-axis driver, the servo press and the rotating motor in real time through the HMI and stores the current working parameters.
Compared with the prior art, the invention has the following beneficial effects:
1) the flexible positioning device for assembling the compressor unit body can realize the function of mechanically pressing the blades of the compressor unit body of the aircraft engine;
2) compared with the existing manual press-fitting technology, the device has the advantages of uniform stress, improved product quality, reduced labor intensity, improved production efficiency and the like.
Drawings
FIG. 1 is an axial side view of a compressor unit assembled flexible positioning device;
FIG. 2 is a front view of a compressor unit assembled with a flexible positioning device;
FIG. 3 is a left side view of the compressor unit body assembled with the flexible positioning device;
FIG. 4 is a right side view of the compressor unit body with the flexible positioning device assembled;
in the figure: the device comprises an upright column 1, a Z-direction guide rail pair 2, a Z-direction worm gear reducer 3, a Z-direction trapezoidal screw rod pair 4, a Z-axis servo motor 5, a Z-direction sliding plate 6, a B-axis overturning seat 7, a B-axis worm gear rotary reducer 8, a B-axis worm gear reducer 9, a B-axis rotary driving motor 10, a left clamping cylinder 11, a right clamping cylinder 12, an A-axis rotary seat 13, an A-axis rotary worm gear reducer 14, an A-axis rotary driving motor 15, an HMI (human machine interface) 16, a base frame 17, an adjusting supporting foot 18, a universal caster 19, a base sliding plate 20 and a control cabinet 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; the connection can be mechanical connection, electrical connection, physical connection or wireless communication connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1-4, in an embodiment of the present invention, the compressor unit is equipped with a flexible positioning device, which includes a column 1, a Z-direction guide rail pair 2, a Z-direction worm gear reducer 3, a Z-direction trapezoidal screw pair 4, a Z-axis servo motor 5, a Z-direction slide 6, an HMI human-machine interface 7, a Y-direction slide 8, a Y-direction guide rail pair 9, a single-axis driver 10, a servo press 11, a press-fitting pressure head 12, a rotary base 13, a rotary base support 14, a clamping base 15, a rotary base 16, a rotary motor 17, and a control cabinet 19;
the Z-direction guide rail pair 2 is arranged on the stand column 1 along a Z axis, the Z-direction sliding seat 6 is connected with the stand column 1 through the Z-direction guide rail pair 2, the HMI human-machine interface 7 is used for receiving a control instruction to control the Z-axis servo motor 5, the output of the Z-axis servo motor 5 is transmitted to the Z-direction trapezoidal screw rod pair 4 through the Z-direction worm gear reducer 3, and the Z-direction trapezoidal screw rod pair 4 drives the Z-direction sliding seat 6 to realize Z up-and-down movement;
the Y-direction sliding seat 8 is connected with the Z-direction sliding seat 6 through a Y-direction guide rail pair 9, and the Y-direction sliding seat 8 can move in the Y direction through a single-shaft driver 10 arranged on the Z-direction sliding seat 6; the servo press 11 is vertically arranged on the Y-direction sliding seat 8, the press-mounting pressure head 12 is arranged at the head of the servo press 11, the press-mounting pressure head 12 can move along the Y-direction sliding seat 8 along the Z direction and the Y direction, and when the Y-direction sliding seat and the Z-direction sliding seat stop at the appointed positions, the servo press 11 can drive the press-mounting pressure head 12 to carry out up-and-down pressing operation on the compressor unit; an L-shaped rotating seat support 14 is welded on the left side of a rotating seat base 13, a pluggable clamping seat 15 is installed on the upper portion of the support, a rotating seat 16 is installed on the rotating seat base 13, the rotating seat 16 and the clamping seat 15 are concentric, a compressor unit can be vertically placed between the rotating seat 16 and the clamping seat 15, and a rotating motor 17 is used for driving the compressor unit to rotate; the control cabinet 19 is mounted behind the uprights.
In a preferred embodiment of the present invention, as shown in fig. 1, the rotary motor 17 is mounted on the rotary base 13, which rotates the rotary base 16 through the gear pair 18. The gear pair 18 may include two or more gears engaged with each other to perform a transmission function, one of the gears is coaxially fixed with the rotary base 16, and the other gear is connected with an output shaft of the rotary motor 17, so that the rotary base 16 and the upper compressor unit body thereof can be driven to rotate by the operation of the rotary motor 17.
The press-fitting pressure head can be adjusted at any position within the moving stroke range in the Z direction; the Y direction of the press-mounting pressure head can be adjusted at any position within the moving stroke range; the air compressor unit body can be adjusted at any position in the rotation direction, and the adjustable angle is 0-360 degrees.
When the press-fitting pressure head is adjusted to a proper position, the press-fitting operation is carried out on the compressor unit through the servo press, and the servo press has the functions of stopping press-in force and press-in displacement.
The Z-direction sliding seat adopts a double-mechanical self-locking structure measure combining a worm gear and a trapezoidal screw rod, and absolute safety of products and personnel in the press fitting process is guaranteed.
The Y-direction sliding seat adopts a single-shaft driver driving structure, the structure is small, and the single-shaft driver has a self-locking function.
The invention can automatically complete the Z-direction up-and-down movement, the Y-direction forward-and-backward movement, the Z-direction pressing operation and the rotating motion of the unit body of the air compressor in the A axis in the stroke range of the press fitting pressure head in the assembly process of the air compressor according to the operation requirements in the assembly process of the unit body. The flexible positioning device for assembling the compressor unit body can meet the urgent need of the improvement of the assembly technology of a large number of compressor unit body parts of an aeroengine.
The Z-direction up-and-down movement of the press-fitting pressure head is realized by driving the Z-direction servo motor 5, the output of the Z-direction servo motor 5 is transmitted to the Z-direction trapezoidal screw rod pair 4 through the Z-direction worm gear reducer 3, and the Z-direction trapezoidal screw rod pair 4 can rotate to drive the Z-direction sliding seat 6 to communicate with the component fixed on the Z-direction sliding seat to realize the Z-direction up-and-down movement.
The Y-direction forward and backward movement of the press-fitting pressure head is realized through a single-shaft driver 10, the single-shaft driver 10 drives the Y-direction sliding seat 8 to slide along the Y-direction guide rail pair 9 during working, and the Y-direction sliding seat and the component fixed on the Y-direction sliding seat can move in the Y direction.
The Z-direction pressing operation of the pressing pressure head is driven by a servo press 11 vertically arranged on the Y-direction sliding seat 8.
The rotary motion of the compressor unit body on the axis A is realized by a rotary motor 17 through a gear pair 18.
The Z-axis servomotor 5, the single-axis driver 10, the servo press 11, and the rotary motor 17 of the present invention are each independently controlled by respective output drive signals of the control cabinet 19. The HMI 7 is used as a user operation interface, a user can start and stop the working parameters of the device or adjust the working parameters of the device, and the control cabinet 19 displays and stores the current working parameters of the Z-axis servo motor 5, the single-axis driver 10, the servo press 11 and the rotating motor 17 through the HMI 7 in real time. Further, the control cabinet 19 may further be provided with a wired or wireless communication module, and the wired or wireless communication module is used for uploading relevant data of the working state of the device in real time.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiment, and all technical solutions belonging to the principle of the present invention belong to the protection scope of the present invention. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and are intended to be within the scope of the invention.
Claims (6)
1. A flexible positioning device for assembling of a compressor unit body is characterized by comprising an upright post (1), a Z-direction guide rail pair (2), a Z-direction worm gear speed reducer (3), a Z-direction trapezoidal screw rod pair (4), a Z-axis servo motor (5), a Z-direction sliding seat (6), an HMI (human machine interface) interface (7), a Y-direction sliding seat (8), a Y-direction guide rail pair (9), a single-axis driver (10), a servo press (11), a press-mounting pressing head (12), a rotating seat base (13), a rotating seat support (14), a clamping seat (15), a rotating seat (16), a rotating motor (17) and a control cabinet (19);
the Z-direction guide rail pair (2) is arranged on the stand column (1) along a Z axis, the Z-direction sliding seat (6) is connected with the stand column (1) through the Z-direction guide rail pair (2), the HMI human-computer interface (7) is used for receiving a control instruction to control the Z-axis servo motor (5), the output of the Z-axis servo motor (5) is transmitted to the Z-direction trapezoidal lead screw pair (4) through the Z-direction worm gear reducer (3), and the Z-direction trapezoidal lead screw pair (4) drives the Z-direction sliding seat (6) to move up and down in a Z direction;
the Y-direction sliding seat (8) is connected with the Z-direction sliding seat (6) through a Y-direction guide rail pair (9), and the Y-direction sliding seat (8) can move in the Y direction through a single-shaft driver (10) arranged on the Z-direction sliding seat (6); the servo press (11) is vertically arranged on the Y-direction sliding seat (8), the press-mounting pressure head (12) is arranged at the head of the servo press (11), the press-mounting pressure head (12) can move along the Z direction and the Y direction along with the Y-direction sliding seat (8), and when the Y-direction sliding seat and the Z-direction sliding seat stop at the appointed positions, the servo press (11) can drive the press-mounting pressure head (12) to vertically press the air compressor unit; an L-shaped rotating seat support (14) is welded on the left side of a rotating seat base (13), a pluggable clamping seat (15) is installed on the upper portion of the support, a rotating seat (16) is installed on the rotating seat base (13), the rotating seat (16) and the clamping seat (15) are concentric, an air compressor unit can be vertically placed between the rotating seat (16) and the clamping seat (15), and a rotating motor (17) is used for driving the air compressor unit to rotate; the control cabinet (19) is arranged at the back of the upright post, and the Z-axis servo motor (5), the single-axis driver (10), the servo press (11) and the rotating motor (17) are independently controlled by each output driving signal of the control cabinet (19); the HMI human-machine interface (7) is used as a user operation interface, a user can start and stop the working parameters of the device or adjust the working parameters of the device, and meanwhile, the control cabinet (19) displays the current working parameters of the Z-axis servo motor (5), the single-axis driver (10), the servo press (11) and the rotating motor (17) in real time through the HMI human-machine interface (7) and stores the current working parameters.
2. The compressor unit body assembly flexible positioning device according to claim 1, wherein the rotary motor (17) is mounted on the rotary base (13) and drives the rotary base (16) to rotate through a gear pair (18).
3. The flexible positioning device for assembling the compressor unit bodies as claimed in claim 1, wherein the press-fitting pressure head is adjustable in any position within a moving stroke range in the Z direction; the Y direction of the press-mounting pressure head can be adjusted at any position within the moving stroke range; the air compressor unit body can be adjusted at any position in the rotation direction, and the adjustable angle is 0-360 degrees.
4. An assembly flexible positioning device for a compressor unit body according to claim 1, characterized in that the servo press has a press-in force stop and a press-in displacement stop function.
5. The compressor unit body assembling flexible positioning device as claimed in claim 1, wherein the Z-direction sliding seat adopts a double mechanical self-locking structure combining a worm gear and a trapezoidal screw rod.
6. The compressor unit body assembly flexible positioning device as claimed in claim 1, wherein the Y-direction slide carriage is driven by a single-shaft driver, and the single-shaft driver has a self-locking function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110068577.6A CN112894674B (en) | 2021-01-19 | 2021-01-19 | Flexible positioning device for assembling unit bodies of gas compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110068577.6A CN112894674B (en) | 2021-01-19 | 2021-01-19 | Flexible positioning device for assembling unit bodies of gas compressor |
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| CN112894674A true CN112894674A (en) | 2021-06-04 |
| CN112894674B CN112894674B (en) | 2022-09-23 |
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Cited By (2)
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| CN113664752A (en) * | 2021-08-20 | 2021-11-19 | 西安飞机工业（集团）有限责任公司 | Flexible positioning and supporting device and supporting method for wing wall plate |
| CN117182518A (en) * | 2023-11-07 | 2023-12-08 | 万向钱潮股份公司 | Method and device for mounting brake planetary gear |
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| CN117182518B (en) * | 2023-11-07 | 2024-01-26 | 万向钱潮股份公司 | Method and device for mounting brake planetary gear |
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| CN112894674B (en) | 2022-09-23 |
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