Aircraft part machining clamping mechanism

Abstract

The utility model relates to the technical field of workpiece clamping, and discloses an aircraft part machining clamping mechanism which comprises a fixing plate. The air pressure tank provides power for the air cylinder through the air pipe, the output end of the air cylinder is fixedly connected with the fixing block, when the air cylinder drives the supporting plate to move, the sliding block slides on the outer wall of the sliding groove, the supporting plate can be effectively prevented from deviating in the moving process, a workpiece can be better clamped, and the machining efficiency is improved. A first fixing plate is fixed to a connecting rod to enable a rotating plate to rotate on the outer wall of the connecting rod, so that the rotating plate and the fixing rod rotate, a fixing column rotates on the outer wall of a connecting column, the first supporting plate can be driven by the first rotating plate to conduct center positioning and clamping, and meanwhile it can be guaranteed that a workpiece is located at the accurate position in the clamping process through center positioning and clamping; and machining errors caused by inaccurate positioning are reduced, so that the machining process is more accurate.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece clamping technical field especially relates to aircraft parts machining clamping mechanism. BACKGROUND

[0002] In the machining process, workpieces are subjected to cutting force, centrifugal force, gravity, inertial force and the like, and under the action of these external forces, the workpieces need to be fixed by clamping devices, but the existing clamping devices cannot clamp special-shaped workpieces when clamping them, and the special-shaped workpieces may become loose and fall off during machining operation.

[0003] In the prior art, the workpieces cannot be clamped at the center, and the workpieces may deviate during machining, resulting in a decrease in machining accuracy and failure to meet design requirements, and also causing product quality to fluctuate, which brings difficulties to quality control. UTILITY MODEL CONTENTS

[0004] To at least partially solve the above technical problems, the utility model provides an aircraft parts machining clamping mechanism.

[0005] The utility model adopts the following technical scheme: an aircraft parts machining clamping mechanism, comprising a fixed plate, a sliding groove is formed in the top of the fixed plate, a gas pressure tank is fixedly connected inside the fixed plate, the gas pressure tank is provided with a gas pipe in communication, one end of the gas pipe away from the gas pressure tank is provided with a gas cylinder in communication, a fixed block is fixedly connected to the output end of the gas cylinder, a supporting plate is fixedly connected to the top of the fixed block, a sliding block is fixedly connected to the bottom of the supporting plate, the sliding block is slidingly connected to the outer wall of the sliding groove, a fixed plate one is fixedly connected to the back of the supporting plate, a connecting rod is fixedly connected to the outer wall of the fixed plate one, a rotating plate is rotatably connected to the outer wall of the connecting rod, a fixed rod is rotatably connected to one end of the rotating plate away from the connecting rod, a connecting column is fixedly connected to the bottom of the fixed rod, a fixed column is rotatably connected to the outer wall of the connecting column, and the fixed column is fixedly connected to the top of the fixed plate.

[0006] Through the technical scheme, the air tank provides power for the air cylinder through the air pipe, the output end of the air cylinder is fixedly connected with the fixed block, the fixed block is fixed with the support plate, and the support plate is fixed with the sliding block; when the air cylinder drives the support plate to move, the sliding block slides on the outer wall of the sliding groove, so that the support plate can be effectively prevented from deviating during movement, the workpiece can be better clamped, the connecting rod is fixed with the first fixed plate, the first fixed plate is fixed with the connecting rod, the rotating plate rotates on the outer wall of the connecting rod through the fixing of the connecting rod, so that the rotating plate and the fixed rod rotate, the fixed rod is fixed with the connecting column, the fixed column rotates on the outer wall of the connecting column, and the fixed column is fixed on the top of the fixed plate; therefore, the support plate one can be driven by the rotating plate one to be centrally positioned and clamped, the central positioning and clamping can ensure that the workpiece is in an accurate position during clamping, machining errors caused by inaccurate positioning are reduced, the machining process is more accurate, the clamping force can be uniformly distributed, workpiece deformation or vibration caused by uneven clamping is avoided, and the machining quality is improved.

[0007] As a further improvement of the above scheme, the sliding groove is provided with two, and the two sliding grooves are symmetrically arranged at the center of the fixed plate. The sliding block is provided with four, and the four sliding blocks are symmetrically arranged at the center of the fixed plate.

[0008] As a further improvement of the above scheme, the connecting column is fixedly connected with the first fixed rod at the top, the first rotating plate is rotatably connected with the outer wall of the first fixed rod, the first connecting rod is rotatably connected with one end, away from the first fixed rod, of the first rotating plate, the second fixed plate is fixedly connected with the outer end of the first connecting rod, and the first support plate is fixedly connected with the back surface of the second fixed plate.

[0009] Through the technical scheme, the support plate one can be driven by the rotating plate one to be centrally positioned and clamped, the central positioning and clamping can ensure that the workpiece is in an accurate position during clamping, machining errors caused by inaccurate positioning are reduced, the machining process is more accurate, the clamping force can be uniformly distributed, workpiece deformation or vibration caused by uneven clamping is avoided, and the machining quality is improved.

[0010] As a further improvement of the above scheme, the inner wall of the support plate is provided with an arc-shaped groove, a rotating rod is arranged in contact with the bottom of the inner wall of the support plate, a clamping groove is formed in the outer wall of the rotating rod, a first fixed column is slidably connected with the outer wall of the arc-shaped groove, the first fixed column is slidably connected with the outer wall of the arc-shaped groove, and a support rod is rotatably connected in the first fixed column.

[0011] As a further improvement of the above scheme, the outer end of the support rod is fixedly connected with a first fixed block, and the top of the first fixed block is fixedly connected with a pressing plate.

[0012] As further improvement of the above scheme, the pressing plate contacts the outer wall of the clamping groove at one end close to the fixed block one, the top of the supporting plate is provided with a clamp, the clamp is rotationally connected to the outer wall of the rotating rod, and the inner wall of the clamp is provided with a release slot.

[0013] As further improvement of the above scheme, the release slot penetrates the clamp, the inner wall of the clamp is provided with a clamping groove one, the outer wall of the clamping groove one is provided with a clamping block, and the clamping block is fixedly connected to the outer wall of the rotating rod.

[0014] Through the above technical scheme, by pressing the pressing plate, the bottom of the pressing plate is fixed with the fixed block one, the fixed block one is fixed with the supporting rod, the supporting rod is rotated in the fixed column one, and the pressing plate contacts the outer wall of the clamping groove, the clamping groove is arranged in the rotating rod, the rotating rod is moved upward through the lever principle, the clamping block is separated from the clamping groove one, at this time, the fixed column one slides along the arc-shaped groove, and when the clamping block reaches the release slot, the clamp is unlocked, so that different clamps can be replaced, the downtime can be reduced, the production preparation time can be shortened, and the overall production efficiency can be improved.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model discloses a center positioning clamping device, which comprises a fixed column, a supporting plate, a fixed block, a supporting rod, a rotating rod, a clamping block, a clamping groove, a release slot, a clamp, a rotating plate, a fixed rod, a connecting rod, a fixed plate, a connecting column, a fixed column, a fixed plate one, a rotating plate one, a fixed rod one and a connecting rod one.

[0017] The utility model discloses a presser plate is pressed, and the fixed block one is fixed in the bottom of presser plate, and the fixed block one is fixed with support rod, and the support rod rotates in the inside fixed column no. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is whole structure schematic diagram of the utility model;

[0019] Figure 2 It is whole section structure schematic diagram of the utility model;

[0020] Figure 3 It is rotating plate structure schematic diagram of the utility model;

[0021] Figure 4 It is the utility model Figure 3 A part enlarged structure schematic diagram in the utility model;

[0022] Figure 5 It is arc groove structure schematic diagram of the utility model;

[0023] Figure 6 It is the utility model Figure 5 B part enlarged structure schematic diagram in the utility model;

[0024] Figure 7 It is presser plate structure schematic diagram of the utility model;

[0025] Figure 8 It is the utility model Figure 7 C part enlarged structure schematic diagram in the utility model;

[0026] Figure 9 It is fixture section structure schematic diagram of the utility model.

[0027] Main symbol explanation:

[0028] 1, fixed plate;2, sliding slot;3, air pressure tank;4, air pipe;5, air cylinder;6, fixed block;7, support plate;8, sliding block;9, fixed plate one;10, connecting rod;11, rotating plate;12, fixed rod;13, connecting column;14, fixed column;15, fixed rod one;16, rotating plate one;17, connecting rod one;18, fixed plate two;19, support plate one;20, arc groove;21, rotating rod;22, card slot;23, fixed column one;24, support rod;25, fixed block one;26, presser plate;27, fixture;28, release slot;29, card slot one;30, card block. DETAILED DESCRIPTION

[0029] The utility model will be described further in connection with the drawings and specific embodiments, it is to be noted that, in the premise of not conflicting, the following described embodiments between or between technical features can be combined to form new embodiments.

[0030] Embodiment:

[0031] Please combine Figures 1-9 The aircraft parts machining clamping mechanism of the embodiment comprises a fixed plate 1, a sliding groove 2 is formed in the top of the fixed plate 1, a gas pressure tank 3 is fixedly connected inside the fixed plate 1, the gas pressure tank 3 is communicated with a gas pipe 4, one end of the gas pipe 4 away from the gas pressure tank 3 is communicated with a gas cylinder 5, the output end of the gas cylinder 5 is fixedly connected with a fixed block 6, the top of the fixed block 6 is fixedly connected with a supporting plate 7, the bottom of the supporting plate 7 is fixedly connected with a sliding block 8, the sliding block 8 is slidingly connected to the outer wall of the sliding groove 2, the back of the supporting plate 7 is fixedly connected with a fixed plate one 9, the outer wall of the fixed plate one 9 is fixedly connected with a connecting rod 10, the outer wall of the connecting rod 10 is rotatably connected with a rotating plate 11, one end of the rotating plate 11 away from the connecting rod 10 is rotatably connected with a fixed rod 12, the bottom of the fixed rod 12 is fixedly connected with a connecting column 13, the outer wall of the connecting column 13 is rotatably connected with a fixed column 14, and the fixed column 14 is fixedly connected to the top of the fixed plate 1.

[0032] The sliding groove 2 is provided with two, and the two sliding grooves 2 are symmetrically arranged with the center of the fixed plate 1, and the sliding block 8 is provided with four, and the four sliding blocks 8 are symmetrically arranged with the center of the fixed plate 1.

[0033] The top of the connecting column 13 is fixedly connected with a fixed rod one 15, the outer wall of the fixed rod one 15 is rotatably connected with a rotating plate one 16, one end of the rotating plate one 16 away from the fixed rod one 15 is rotatably connected with a connecting rod one 17, the outer end of the connecting rod one 17 is fixedly connected with a fixed plate two 18, and the back of the fixed plate two 18 is fixedly connected with a supporting plate one 19.

[0034] An arc-shaped groove 20 is formed in the inner wall of the supporting plate 7, a rotating rod 21 is arranged in contact with the bottom of the inner wall of the supporting plate 7, a clamping groove 22 is formed in the outer wall of the rotating rod 21, a fixed column one 23 is slidingly connected to the outer wall of the arc-shaped groove 20, and a supporting rod 24 is rotatably connected inside the fixed column one 23.

[0035] The outer end of the supporting rod 24 is fixedly connected with a fixed block one 25, and the top of the fixed block one 25 is fixedly connected with a pressing plate 26.

[0036] One end of the pressing plate 26 close to the fixed block one 25 is arranged in contact with the outer wall of the clamping groove 22, a clamp 27 is arranged in contact with the top of the supporting plate 7, the clamp 27 is rotatably connected to the outer wall of the rotating rod 21, and a release groove 28 is formed in the inner wall of the clamp 27.

[0037] The releasing groove 28 is arranged through the inside of the clamp 27, the inside of the clamp 27 is provided with a clamping groove 29, the outer wall of the clamping groove 29 is in contact with a clamping block 30, and the clamping block 30 is fixedly connected to the outer wall of the rotating rod 21.

[0038] The implementation principle of the aircraft part machining clamping mechanism in the embodiment of the application is as follows: the air tank 3 provides power for the air cylinder 5 through the air pipe 4, the output end of the air cylinder 5 is fixedly connected with the fixed block 6, the fixed block 6 is fixed with the supporting plate 7, and the supporting plate 7 is fixed with the sliding block 8; when the air cylinder 5 drives the supporting plate 7 to move, the sliding block 8 slides on the outer wall of the sliding groove 2, the deviation of the supporting plate 7 in the movement process can be effectively prevented, the workpiece can be better clamped, the connecting rod 10 is fixed with the fixed plate 1, the fixed plate 1 is fixed with the rotating plate 11 through the connecting rod 10, so that the rotating plate 11 rotates on the outer wall of the connecting rod 10, the fixed rod 12 rotates with the rotating plate 11, the connecting column 13 is fixed with the fixed rod 2, the fixed column 14 rotates on the outer wall of the connecting column 13, the fixed column 14 is fixed on the top of the fixed plate 1, the connecting column 13 is fixed with the fixed rod 1 through the fixed rod 1, the fixed rod 1 rotates with the rotating plate 1, the fixed rod 1 is fixed with the connecting rod 1, the connecting rod 1 drives the supporting plate 1 to move through the fixed plate 2, so that the supporting plate 1 moves with the supporting plate 7, the center positioning and clamping are completed, the workpiece is ensured to be in the accurate position in the clamping process, the machining error caused by inaccurate positioning is reduced, the machining process is more accurate, the clamping force can be uniformly distributed, the workpiece is prevented from being deformed or vibrated due to uneven clamping, the machining quality is improved, the rotating rod 21 is fixed with the clamping block 30, the clamping block 30 is clamped on the outer wall of the clamping groove 1, so that the stability of the clamp 27 in the clamping process is ensured, when the clamp 27 needs to be replaced, the fixed block 1 is pressed first, the fixed block 1 is fixed on the bottom of the pressing plate 2, the fixed block 1 is fixed with the supporting rod 2, the supporting rod 2 rotates in the inside of the fixed column 1, the pressing plate 2 contacts the outer wall of the clamping groove 1, the clamping groove 1 is arranged in the inside of the rotating rod 1, the rotating rod 1 moves upward through the lever principle, the clamping block 1 is separated from the clamping groove 1, the fixed column 1 slides along the arc-shaped groove, when the clamping block 1 reaches the releasing groove 1, the clamp 1 is unlocked, different clamps 1 can be replaced, the downtime can be reduced, the production preparation time can be shortened, and the overall production efficiency is improved.

[0039] The preferred embodiments of the utility model are merely provided above, and the range of the utility model protection cannot be limited by the above, any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of the utility model required protection.

Claims

1. An aircraft component machining clamping mechanism, characterized by, The utility model provides a kind of fixed plate (1), the fixed plate (1) top is equipped with sliding slot (2), the fixed plate (1) inside is fixedly connected with air tank (3), the air tank (3) is communicated with air pipe (4), the air pipe (4) is communicated with cylinder (5) at the end away from air tank (3), the cylinder (5) output end is fixedly connected with fixed block (6), the fixed block (6) top is fixedly connected with support plate (7), the support plate (7) bottom is fixedly connected with sliding block (8), the sliding block (8) is slidably connected in sliding slot (2) outer wall, the support plate (7) back is fixedly connected with fixed plate one (9), the fixed plate one (9) outer wall is fixedly connected with connecting rod (10), the connecting rod (10) outer wall is rotatably connected with rotating plate (11), the rotating plate (11) is rotatably connected with fixed rod (12) at the end away from connecting rod (10), the fixed rod (12) bottom is fixedly connected with connecting column (13), the connecting column (13) outer wall is rotatably connected with fixed column (14), and the fixed column (14) is fixedly connected in fixed plate (1) top.

2. The aircraft part machining clamp of claim 1, wherein: The sliding slot (2) is provided with two, and the two sliding slots (2) are symmetrically arranged with the center of the fixed plate (1), the sliding block (8) is provided with four, and the four sliding blocks (8) are symmetrically arranged with the center of the fixed plate (1).

3. The aircraft part machining clamp of claim 1, wherein: The connecting column (13) top is fixedly connected with fixed rod one (15), the fixed rod one (15) outer wall is rotatably connected with rotating plate one (16), the rotating plate one (16) is rotatably connected with connecting rod one (17) at the end away from fixed rod one (15), the connecting rod one (17) outer end is fixedly connected with fixed plate two (18), and the fixed plate two (18) back is fixedly connected with support plate one (19).

4. The aircraft part machining clamping mechanism according to any one of claims 1 to 3, characterized in that: The support plate (7) inner wall is equipped with arc slot (20), the support plate (7) inner wall bottom is in contact with rotatable rod (21), the rotatable rod (21) outer wall is equipped with clamping groove (22), the arc slot (20) outer wall is slidably connected with fixed column one (23), the fixed column one (23) is slidably connected in the arc slot (20) outer wall, and the fixed column one (23) is rotatably connected with support rod (24) inside.

5. The aircraft part machining clamp of claim 4, wherein: The support rod (24) outer end is fixedly connected with fixed block one (25), and the fixed block one (25) top is fixedly connected with pressing plate (26).

6. The aircraft part machining clamp of claim 5, wherein: The pressing plate (26) is in contact with the outer wall of the clamping groove (22) at one end close to the fixed block one (25), the support plate (7) top is in contact with clamp (27), the clamp (27) is rotatably connected to the outer wall of the rotatable rod (21), and the inner wall of the clamp (27) is equipped with release slot (28).

7. The aircraft part machining clamp of claim 6, wherein: The release slot (28) penetrates the inside of the clamp (27), the clamp (27) is equipped with clamping groove one (29) inside, the clamping groove one (29) outer wall is in contact with clamping block (30), and the clamping block (30) is fixedly connected to the outer wall of the rotatable rod (21).

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