A high-precision cutting and repeatable positioning mechanism for stainless steel aerospace parts

By using a ball screw system driven by a servo motor and a reinforcement mechanism, the problem of existing positioning devices being unable to quickly position multi-sized stainless steel aerospace parts has been solved, achieving high-precision and stable repeatable positioning results.

CN224273494UActive Publication Date: 2026-05-26SUZHOU TIANSHUN XINYI PRECISION MACHINERY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU TIANSHUN XINYI PRECISION MACHINERY CO LTD
Filing Date
2025-06-16
Publication Date
2026-05-26

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    Figure CN224273494U_ABST
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Abstract

This utility model relates to the field of positioning device technology and discloses a high-precision cutting and repetitive positioning mechanism for stainless steel aerospace parts. It includes a mounting base with mounting holes inside, and a mounting housing installed at the bottom of the mounting base. A positioning device extending outwards is provided inside the mounting housing. This device, equipped with a positioning device, allows for the repeated positioning of stainless steel aerospace parts. A servo motor is bolted to the corresponding high-precision cutting worktable. Starting the servo motor drives the ball screw to rotate, and two clamping positioning plates clamp and position the stainless steel aerospace part. This allows for rapid positioning of stainless steel aerospace parts of various sizes, facilitating repeated positioning. A reinforcement mechanism is provided, allowing for easy reinforcement of the connection between the reinforcement plate and the mounting housing after the servo motor and mounting housing are fixedly connected, ensuring a stable connection between the servo motor and the mounting housing.
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Description

Technical Field

[0001] This utility model relates to the field of positioning device technology, specifically a high-precision repetitive positioning mechanism for cutting stainless steel aerospace parts. Background Technology

[0002] Stainless steel aerospace parts refer to various components and parts for aircraft made of stainless steel. Due to its excellent mechanical properties, corrosion resistance and high temperature stability, stainless steel has a wide range of applications in the aerospace field. In the continuous automated processing of stainless steel aerospace parts, it is necessary to perform multiple positioning through a repetitive positioning device.

[0003] However, existing positioning devices are not suitable for rapid positioning of stainless steel aerospace parts of various sizes during use. Therefore, those skilled in the art have provided a high-precision cutting and repetitive positioning mechanism for stainless steel aerospace parts to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a high-precision cutting and repetitive positioning mechanism for stainless steel aerospace parts, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A high-precision cutting and repeatable positioning mechanism for stainless steel aerospace parts includes a mounting base, an installation hole inside the mounting base, a mounting housing installed at the bottom of the mounting base, a positioning device extending outward inside the mounting housing, a reinforcing mechanism installed on the outside of the mounting housing, and a guide groove on one side of the mounting housing.

[0007] The positioning device includes a servo motor, one end of the output shaft of the servo motor is fixed with a ball screw, a first ball nut is threaded to the outer side of the ball screw, a second ball nut is threaded to the outer side of the ball screw, a guide block is fixed to the outer side of both the first and second ball nuts, a guide slider is fixed to one side of the guide block, a movable mounting bracket is fixed to the outer side of the guide slider, and a clamping positioning plate is fixed to the outer side of the movable mounting bracket.

[0008] As a further embodiment of this utility model: the reinforcement mechanism includes a reinforcement plate, a fixed semi-threaded column is fixed to the outer side of the reinforcement plate, an installation block is installed on the outer side of the mounting housing, a fixed metal rod is fixed to the outer side of the installation block, the fixed metal rod is connected to a rotating plate through a bearing, and a movable semi-threaded rod is fixed to the outer side of the rotating plate.

[0009] As a further embodiment of this utility model: the movable semi-threaded rod and the fixed semi-threaded column are movably sleeved with washers on their outer sides, and the movable semi-threaded rod and the fixed semi-threaded column are threadedly connected with reinforcing nuts on their outer sides.

[0010] As a further embodiment of this utility model: the reinforcing plate and the servo motor are fixedly connected, and the reinforcing plate and the mounting housing are fixedly connected.

[0011] As a further improvement of this utility model: the servo motor and the mounting housing are fixedly connected, and the size of the guide slider is adapted to the size of the guide groove.

[0012] As a further embodiment of this utility model: the internal threads of the first ball nut and the second ball nut are in opposite directions, and the ball screw and the mounting housing are connected by a bearing.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This device is equipped with a positioning device. When repeatedly positioning stainless steel aerospace parts, the servo motor is fixed to the corresponding high-precision cutting worktable by bolts. Then, the servo motor is started to drive the ball screw to rotate. The two clamping positioning plates clamp and position the stainless steel aerospace parts. Moreover, it can quickly complete the rapid positioning of stainless steel aerospace parts of multiple sizes, which is conducive to repeated positioning.

[0015] 2. With the reinforcement mechanism in place, after the servo motor and the mounting housing are fixedly connected, the connection between the reinforcement plate and the mounting housing can be easily reinforced to ensure a stable connection between the servo motor and the mounting housing. Attached Figure Description

[0016] Figure 1 A three-dimensional view of a high-precision cutting and repetitive positioning mechanism for stainless steel aerospace parts;

[0017] Figure 2 This is a schematic diagram of the positioning device in a high-precision cutting and repeating positioning mechanism for stainless steel aerospace parts.

[0018] Figure 3 This is a schematic diagram of the reinforcement mechanism in a high-precision cutting and repetitive positioning mechanism for stainless steel aerospace parts.

[0019] Figure 4 for Figure 3 A magnified diagram of region A.

[0020] In the diagram: 1. Mounting base; 2. Mounting hole; 3. Mounting housing; 4. Positioning device; 41. Servo motor; 42. Ball screw; 43. First ball nut; 44. Second ball nut; 45. Guide block; 46. Guide slider; 47. Movable mounting bracket; 48. Clamping positioning plate; 5. Reinforcing mechanism; 51. Reinforcing plate; 52. Fixed semi-threaded column; 53. Mounting block; 54. Fixed metal rod; 55. Rotating plate; 56. Movable semi-threaded rod; 57. Washer; 58. Reinforcing nut; 6. Guide slot. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 In this embodiment of the utility model, a high-precision cutting and repetitive positioning mechanism for stainless steel aerospace parts includes a mounting base 1. The mounting base 1 has a mounting hole 2 inside, a mounting housing 3 is mounted on the bottom of the mounting base 1, a positioning device 4 extending to the outside is provided inside the mounting housing 3, a reinforcing mechanism 5 is mounted on the outside of the mounting housing 3, and a guide groove 6 is provided on one side of the mounting housing 3.

[0023] The positioning device 4 includes a servo motor 41. A ball screw 42 is fixed to one end of the output shaft of the servo motor 41. A first ball nut 43 is threaded onto the outer side of the ball screw 42, and a second ball nut 44 is threaded onto the outer side of the ball screw 42. Guide blocks 45 are fixed to the outer sides of both the first ball nut 43 and the second ball nut 44. A guide slider 46 is fixed to one side of the guide block 45. A movable mounting bracket 47 is fixed to the outer side of the guide slider 46, and a clamping positioning plate 48 is fixed to the outer side of the movable mounting bracket 47. The servo motor 41 and the mounting housing 3 are fixedly connected. The size of the guide slider 46 is adapted to the size of the guide groove 6. The internal threads of the first ball nut 43 and the second ball nut 44 are in opposite directions. The servo motor 41 is fixed to the corresponding high-precision cutting table by bolts when repeatedly positioning stainless steel aerospace parts. Then, the servo motor 41 is started to drive the ball screw 42 to rotate, so that the first ball nut 43 and the second ball nut 44 on the outside of the ball screw 42 move. The threads inside the first ball nut 43 and the second ball nut 44 are opposite, which can drive the guide block 45 and the clamping positioning plate 48 to move. The guide slider 46 moves in the guide groove 6 and plays a guiding and limiting role, so that the two clamping positioning plates 48 clamp and position the stainless steel aerospace parts. Moreover, it can quickly complete the rapid positioning of stainless steel aerospace parts of multiple sizes, which is conducive to repeated positioning.

[0024] In one embodiment of this utility model, the reinforcement mechanism 5 includes a reinforcement plate 51, a fixed semi-threaded post 52 fixed to the outer side of the reinforcement plate 51, an mounting block 53 mounted on the outer side of the mounting housing 3, a fixed metal rod 54 fixed to the outer side of the mounting block 53, a rotating plate 55 connected to the fixed metal rod 54 via a bearing, a movable semi-threaded rod 56 fixed to the outer side of the rotating plate 55, a washer 57 movably sleeved between the movable semi-threaded rod 56 and the outer side of the fixed semi-threaded post 52, a reinforcement nut 58 threadedly connected between the movable semi-threaded rod 56 and the outer side of the fixed semi-threaded post 52, a fixed connection between the reinforcement plate 51 and the servo motor 41, and a fixed connection between the reinforcement plate 51 and the mounting housing 3. After the servo motor 41 and the mounting housing 3 are fixedly connected, the reinforcing plate 51 on the outside of the servo motor 41 is fixed to the outside of the mounting housing 3. Then, the rotating plate 55 on the outside of the fixed metal rod 54 is rotated so that the movable semi-threaded rod 56 on the outside of the rotating plate 55 and the fixed semi-threaded post 52 on the outside of the reinforcing plate 51 form a complete threaded post. The washer 57 is movably sleeved on the outside of the fixed semi-threaded post 52 and the movable semi-threaded rod 56, and the reinforcing nut 58 is threadedly connected to the fixed semi-threaded post 52 and the movable semi-threaded rod 56. This facilitates the auxiliary reinforcement of the connection between the reinforcing plate 51 and the mounting housing 3, ensuring a stable connection between the servo motor 41 and the mounting housing 3.

[0025] The working principle of this utility model is as follows: This device is equipped with a positioning device 4. When repeatedly positioning stainless steel aerospace parts, the servo motor 41 is fixed to the corresponding high-precision cutting worktable by bolts. Then, the servo motor 41 is started to drive the ball screw 42 to rotate, so that the first ball nut 43 and the second ball nut 44 on the outside of the ball screw 42 move. The threads inside the first ball nut 43 and the second ball nut 44 are opposite, which can drive the guide block 45 and the clamping positioning plate 48 to move. The guide slider 46 moves in the guide groove 6 and plays a guiding and limiting role, so that the two clamping positioning plates 48 clamp and position the stainless steel aerospace parts. Moreover, it can quickly complete the rapid positioning of stainless steel aerospace parts of multiple sizes, which is conducive to repeated positioning. With the reinforcement mechanism 5 in place, after the servo motor 41 and the mounting housing 3 are fixedly connected, the reinforcement plate 51 on the outside of the servo motor 41 is fixed to the outside of the mounting housing 3. Then, the rotating plate 55 on the outside of the fixed metal rod 54 is rotated. The rotating plate 55 rotates around the axis of the fixed metal rod 54, so that the movable semi-threaded rod 56 on the outside of the rotating plate 55 and the fixed semi-threaded post 52 on the outside of the reinforcement plate 51 form a complete threaded post. The washer 57 is movably sleeved on the outside of the fixed semi-threaded post 52 and the movable semi-threaded rod 56, and the reinforcement nut 58 is threadedly connected to the fixed semi-threaded post 52 and the movable semi-threaded rod 56. This facilitates the auxiliary reinforcement of the connection between the reinforcement plate 51 and the mounting housing 3, ensuring a stable connection between the servo motor 41 and the mounting housing 3.

[0026] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A high-precision cutting and repeated positioning mechanism for stainless steel aviation parts, comprising a mounting seat (1), characterized in that, The mounting base (1) has a mounting hole (2) inside, and a mounting housing (3) is installed at the bottom of the mounting base (1). The mounting housing (3) has a positioning device (4) extending to the outside inside, and a reinforcing mechanism (5) is installed on the outside of the mounting housing (3). A guide groove (6) is provided on one side of the mounting housing (3). The positioning device (4) includes a servo motor (41), one end of the output shaft of the servo motor (41) is fixed with a ball screw (42), the outer side of the ball screw (42) is threaded with a first ball nut (43), the outer side of the ball screw (42) is threaded with a second ball nut (44), the outer side of the first ball nut (43) and the second ball nut (44) are both fixed with guide blocks (45), one side of the guide block (45) is fixed with a guide slider (46), the outer side of the guide slider (46) is fixed with a movable mounting bracket (47), and the outer side of the movable mounting bracket (47) is fixed with a clamping positioning plate (48).

2. The high-precision cutting and repeatable positioning mechanism for stainless steel aerospace parts according to claim 1, characterized in that, The reinforcement mechanism (5) includes a reinforcement plate (51), a fixed semi-threaded column (52) is fixed on the outside of the reinforcement plate (51), an installation block (53) is installed on the outside of the mounting housing (3), a fixed metal rod (54) is fixed on the outside of the installation block (53), a rotating plate (55) is connected to the fixed metal rod (54) through a bearing, and a movable semi-threaded rod (56) is fixed on the outside of the rotating plate (55).

3. The high-precision cutting and repeatable positioning mechanism for stainless steel aerospace parts according to claim 2, characterized in that, The movable semi-threaded rod (56) and the fixed semi-threaded column (52) are movably fitted with washers (57), and the movable semi-threaded rod (56) and the fixed semi-threaded column (52) are threadedly connected with reinforcing nuts (58).

4. The high-precision cutting and repeatable positioning mechanism for stainless steel aerospace parts according to claim 2, characterized in that, The reinforcing plate (51) and the servo motor (41) are fixedly connected, and the reinforcing plate (51) and the mounting housing (3) are fixedly connected.

5. The high-precision cutting and repeatable positioning mechanism for stainless steel aerospace parts according to claim 1, characterized in that, The servo motor (41) and the mounting housing (3) are fixedly connected, and the size of the guide slider (46) is adapted to the size of the guide slot (6).

6. The high-precision cutting and repeatable positioning mechanism for stainless steel aerospace parts according to claim 1, characterized in that, The first ball nut (43) and the second ball nut (44) have opposite internal thread directions, and the ball screw (42) and the mounting housing (3) are connected by bearings.