Positioning device for aircraft engine part

Abstract

The utility model relates to the technical field of aircraft engine parts, in particular to a positioning device for aircraft engine parts, which comprises a bottom plate, an adjusting plate is slidably arranged on the upper side of the bottom plate, the upper end of the adjusting plate is connected with a through hole sleeve, a clamping component is mounted in the through hole sleeve, and the clamping component comprises an annular sleeve rotationally arranged in the through hole sleeve. Symmetrical clamping plates are arranged in the annular sleeve, the screw penetrates through the annular sleeve to be rotationally connected with the clamping plates, and the screw is in threaded connection with the annular sleeve. The shaft part is clamped through the screw rod with the clamping plate, so that the part is fixed in the annular sleeve, the annular sleeve is fixed through insertion connection of the plug pin and the positioning hole and matching of the positioning rod and the positioning groove, the annular sleeve is kept stable, and when the annular sleeve is not fixed, the clamping plate is fixed in the annular sleeve. And by rotating the rotating block, the annular sleeve can drive the part to rotate, the step of fixing the part again is omitted, and the machining efficiency of the part is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aircraft engine parts, in particular to a positioning device for aircraft engine parts. Background Art

[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines (reciprocating piston engines), external combustion engines (Stirling engines, steam engines, etc.), jet engines, electric motors, etc. For example, internal combustion engines usually convert chemical energy into mechanical energy. When engine parts are produced, especially shaft parts, they need to be positioned and clamped.

[0003] According to patent application number: CN202020651262.5, a positioning and clamping device for the production of engine parts is disclosed, including a main body, a front wall of the main body is provided with a placement groove, and a positioning and clamping structure is provided in the main body; wherein the positioning and clamping structure mainly includes: two movable plates with the same structure, four sliders with the same structure, two slide rails with the same structure, an electric push rod, a support rod and a clamping part; the two slide rails are installed on the upper and lower walls inside the main body, the four sliders are movably installed on the two slide rails, and one at each of the four corners, and the two movable plates are installed on the upper and lower walls of the four sliders respectively. The utility model relates to the technical field of auxiliary production of engine parts, and solves the problem that when engine parts are produced, especially shaft parts, they need to be positioned and clamped, and the existing devices cannot adjust the positioning and clamping according to the different diameters of the shaft parts.

[0004] It can be seen that the existing positioning mechanism can be adjusted and fixed according to the size of the engine's shaft parts. However, since various parts of the parts need to be processed during the parts processing, the parts need to be rotated. After the parts are fixed, the existing positioning device is not convenient for rotating the parts. The parts need to be rotated and then repositioned, which reduces the efficiency of parts processing. Utility Model Content

[0005] The purpose of the utility model is to provide a positioning device for aircraft engine parts to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides a positioning device for aircraft engine parts, including a base plate, an adjustment plate is slidably arranged on the upper side of the base plate, the upper end of the adjustment plate is connected to a through-hole sleeve, a clamping assembly is installed in the through-hole sleeve, the clamping assembly includes an annular sleeve rotating inside the through-hole sleeve, symmetrical clamping plates are arranged in the annular sleeve, a screw penetrates the annular sleeve and is rotatably connected to the clamping plates, and the screw is threadedly connected to the annular sleeve.

[0007] As a further improvement of the present technical solution, a first positioning strip is provided at one end of the annular sleeve, a first annular groove is provided on the inner wall of the through hole sleeve, the first positioning strip is located in the first annular groove, and a plurality of positioning holes are provided on the first positioning strip, and the pin passes through the through hole sleeve and is plugged into the positioning hole.

[0008] As a further improvement of the present technical solution, a second positioning strip is provided at the other end of the annular sleeve, and the second positioning strip is located in a second annular groove formed on the inner wall of the through hole sleeve. A plurality of positioning grooves are formed on the second positioning strip, and the positioning rod passes through a sliding hole formed on the through hole sleeve and is plugged into the positioning groove.

[0009] As a further improvement of the technical solution, the two ends of the positioning rod are connected to the through hole sleeve via a spring.

[0010] As a further improvement of the technical solution, one end of the annular sleeve extends out of the through-hole sleeve and is connected to the rotating block.

[0011] As a further improvement of the technical solution, a mounting plate is arranged on one side of the base plate, a rotating drum is rotatably arranged inside the mounting plate, a micro hydraulic rod is installed inside the rotating drum, and a piston end of the micro hydraulic rod is connected to the push plate.

[0012] As a further improvement of the technical solution, a screw rod is rotatably arranged on the base plate, and the screw rod is threadedly connected to the adjustment plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. In the positioning device for aircraft engine parts, the screw rod and the clamping plate are used to clamp the shaft parts so that the parts are fixed in the annular sleeve, and the annular sleeve is fixed by the insertion of the latch and the positioning hole, and the cooperation of the positioning rod and the positioning groove, so that the annular sleeve remains stable, and when the annular sleeve is not fixed, the rotating block can be rotated to cause the annular sleeve to rotate with the parts, thereby eliminating the step of re-fixing the parts and improving the processing efficiency of the parts.

[0015] 2. In the positioning device for aircraft engine parts, a push plate is moved by a micro hydraulic rod so that the push plate fits with one end of the shaft part, further improving the stability of the shaft part. When the part needs to be removed, the push plate is pushed by the micro hydraulic rod to promote the movement of the part so that the part can be quickly taken out. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the utility model;

[0017] Figure 2 This is the second schematic diagram of the base structure of the embodiment of the utility model;

[0018] Figure 3 It is a schematic cross-sectional view of the through hole sleeve structure of an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of the through hole sleeve structure of an embodiment of the utility model;

[0020] Figure 5 The figure is a schematic diagram of the screw rod structure of an embodiment of the utility model.

[0021] The meaning of each number in the figure is:

[0022] 1. Bottom plate; 2. Adjustment plate; 21. Screw rod; 3. Through-hole sleeve; 31. First annular groove; 32. Second annular groove; 33. Slide hole; 34. Positioning rod; 35. Spring; 4. Clamping assembly; 41. Annular sleeve; 42. Clamping plate; 43. Screw rod; 44. First positioning strip; 45. Second positioning strip; 46. Positioning hole; 47. Positioning groove; 48. Latch; 49. Rotating block; 5. Mounting plate; 6. Rotating drum; 7. Micro hydraulic rod; 8. Push plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] 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" 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.

[0025] 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 one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined. Example

[0026] See also Figure 1-Figure 5 As shown, this embodiment provides a positioning device for aircraft engine parts, including a base plate 1, an adjustment plate 2 is slidably arranged on the upper side of the base plate 1, the upper end of the adjustment plate 2 is connected to a through hole sleeve 3, and a clamping assembly 4 is installed in the through hole sleeve 3. By sliding the adjustment plate 2, the height of the clamping assembly 4 can be adjusted, and then the height of the fixed part can be adjusted, so that the part can be processed conveniently.

[0027] A screw rod 21 is rotatably arranged on the bottom plate 1 , and the screw rod 21 is threadedly connected to the adjustment plate 2 . The adjustment plate 2 is automatically moved by the rotation of the screw rod 21 , thereby improving the stability of the adjustment plate 2 .

[0028] The clamping assembly 4 includes an annular sleeve 41 that rotates inside the through-hole sleeve 3. A symmetrical clamping plate 42 is provided inside the annular sleeve 41. A screw 43 passes through the annular sleeve 41 and is rotatably connected to the clamping plate 42. The screw 43 is threadedly connected to the annular sleeve 41. The shaft parts are placed in the annular sleeve 41, and the screw 43 is rotated so that the clamping plate 42 fixes the parts in the annular sleeve 41.

[0029] One end of the annular sleeve 41 extends out of the through-hole sleeve 3 and is connected to the rotating block 49. The rotating block 49 rotates to cause the part to rotate and adjust the direction in which the part is processed.

[0030] In addition, a first positioning strip 44 is provided at one end of the annular sleeve 41, a first annular groove 31 is provided on the inner wall of the through hole sleeve 3, the first positioning strip 44 is located in the first annular groove 31, and a plurality of positioning holes 46 are provided on the first positioning strip 44, a latch 48 passes through the through hole sleeve 3 and is plugged into the positioning holes 46, and the annular sleeve 41 is fixed by the latch 48, thereby improving the stability of the part during processing.

[0031] Furthermore, a second positioning strip 45 is provided at the other end of the annular sleeve 41. The second positioning strip 45 is located in a second annular groove 32 provided on the inner wall of the through hole sleeve 3. A plurality of positioning grooves 47 are provided on the second positioning strip 45. The positioning rod 34 passes through the sliding hole 33 provided on the through hole sleeve 3 and is plugged into the positioning groove 47, thereby further improving the stability of the annular sleeve 41 and preventing the parts from rotating during the processing.

[0032] The two ends of the positioning rod 34 are connected to the through hole sleeve 3 via a spring 35 , and the spring 35 causes the positioning rod 34 to be inserted into the positioning groove 47 through elastic contraction.

[0033] Furthermore, a mounting plate 5 is provided on one side of the base plate 1, a rotating drum 6 is rotatably provided inside the mounting plate 5, a micro hydraulic rod 7 is installed inside the rotating drum 6, a piston end of the micro hydraulic rod 7 is connected to a push plate 8, the rotating drum 6 is rotated to make the push plate 8 perpendicular to the fixed part, and the push plate 8 is tightly fitted to one end of the part through the drive of the micro hydraulic rod 7, thereby improving the stability of the part.

[0034] When the utility model is used for positioning device for aircraft engine parts, the parts are placed in the annular sleeve 41, and the clamping plate 42 is driven to fix the parts by rotating the screw 43. The annular sleeve 41 is rotated according to the orientation of the parts to be processed, and the annular sleeve 41 is fixed by plugging the latch 48 into the corresponding positioning hole 46, and the positioning rod 34 is plugged into the positioning groove 47. At the same time, the micro hydraulic rod 7 is used to bring the push plate 8 to fit with one end of the parts to strengthen the fixation of the parts. Example

[0035] Considering that the part needs to be taken out of the annular sleeve 41 after processing, in order to quickly take the part out, the push plate 8 is moved by the micro hydraulic rod 7 so that the push plate 8 pushes one end of the part. When the part is not fixed, the part can be quickly pushed out of the annular sleeve 41.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A positioning device for aircraft engine parts, characterized in that: The invention comprises a bottom plate (1), an adjusting plate (2) is slidably arranged on the upper side of the bottom plate (1), the upper end of the adjusting plate (2) is connected to a through hole sleeve (3), a clamping assembly (4) is installed in the through hole sleeve (3), the clamping assembly (4) comprises an annular sleeve (41) which rotates inside the through hole sleeve (3), a symmetrical clamping plate (42) is arranged in the annular sleeve (41), a screw rod (43) passes through the annular sleeve (41) and is rotatably connected to the clamping plate (42), and the screw rod (43) is threadedly connected to the annular sleeve (41).

2. The positioning device for aircraft engine parts according to claim 1, characterized in that: A first positioning strip (44) is provided at one end of the annular sleeve (41), a first annular groove (31) is provided on the inner wall of the through hole sleeve (3), the first positioning strip (44) is located in the first annular groove (31), and a plurality of positioning holes (46) are provided on the first positioning strip (44), and a latch (48) passes through the through hole sleeve (3) and is plugged into and matched with the positioning holes (46).

3. The positioning device for aircraft engine parts according to claim 2, characterized in that: A second positioning strip (45) is disposed at the other end of the annular sleeve (41). The second positioning strip (45) is located in a second annular groove (32) provided on the inner wall of the through-hole sleeve (3). A plurality of positioning grooves (47) are provided on the second positioning strip (45). The positioning rod (34) passes through a sliding hole (33) provided on the through-hole sleeve (3) and is plugged into and engaged with the positioning groove (47).

4. The positioning device for aircraft engine parts according to claim 3, characterized in that: The two ends of the positioning rod (34) are connected to the through hole sleeve (3) via springs (35).

5. The positioning device for aircraft engine parts according to claim 4, characterized in that: One end of the annular sleeve (41) extends out of the through-hole sleeve (3) and is connected to the rotating block (49).

6. The positioning device for aircraft engine parts according to claim 1, characterized in that: A mounting plate (5) is arranged on one side of the base plate (1), a rotating drum (6) is rotatably arranged inside the mounting plate (5), a micro hydraulic rod (7) is installed inside the rotating drum (6), and a piston end of the micro hydraulic rod (7) is connected to a push plate (8).

7. The positioning device for aircraft engine parts according to claim 6, characterized in that: A screw rod (21) is rotatably arranged on the bottom plate (1), and the screw rod (21) is threadedly connected to the adjustment plate (2).

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