CN219027230U - Clamp for machining aviation parts - Google Patents

Abstract

The utility model relates to a clamp for machining aviation parts, which comprises a base, an automatic rolling clamping device and an automatic extrusion clamping device, wherein the automatic rolling clamping device and the automatic extrusion clamping device are arranged on the upper surface of the base in parallel, the automatic rolling clamping device comprises a roller elastic supporting component, a transmission component and a pneumatic rod pressing component, the roller elastic supporting component is connected with the transmission component, the transmission component is connected with the pneumatic rod pressing component, the roller elastic supporting component and the pneumatic rod pressing component are oppositely arranged up and down, a space for installing large and medium aviation parts to be machined is reserved between the roller elastic supporting component and the pneumatic rod pressing component, the automatic extrusion clamping device comprises a V-shaped fixed clamping plate and a V-shaped movable clamping plate component, the V-shaped fixed clamping plate and the V-shaped movable clamping plate component are oppositely arranged, and a space for installing small aviation parts to be machined is reserved between the V-shaped fixed clamping plate and the V-shaped movable clamping plate. The utility model is suitable for aviation parts to be processed with various sizes and can greatly improve the efficiency of clamping and fixing the parts.

Description

Clamp for machining aviation parts

Technical Field

The utility model relates to the technical field of machining clamps, in particular to a clamp for machining aviation parts.

Background

The fixture is a tool used for fixing a machining object and enabling the machining object to occupy a correct machining position in a mechanical manufacturing process, the existing fixture for machining the aviation parts is usually used for clamping and fixing the aviation parts to be machined by adopting an up-and-down manual lifting extrusion type clamping device, wherein the clamping and fixing piece is an L-shaped upper fixing plate and an L-shaped lower fixing plate which are arranged in an up-and-down opposite mode, the L-shaped upper fixing plate is arranged on a manual thread lifting mechanism, the whole clamping and fixing process is that the aviation parts to be machined are firstly placed on the L-shaped lower fixing plate, then the L-shaped upper fixing plate is driven to move downwards through the manual thread lifting mechanism until the clamping and fixing device clamps and fixes the upper surface of the aviation parts to be machined, and the L-shaped upper fixing plate is driven to move upwards through the manual thread lifting mechanism after machining is completed to loosen and detach the machined aviation parts. Obviously, the vertical manual lifting extrusion type clamping device is low in clamping and fixing part efficiency and is not suitable for clamping and fixing aviation parts to be processed in small sizes.

Disclosure of Invention

The technical problem solved by the utility model is that the existing vertical manual lifting extrusion type clamping device has low clamping and fixing efficiency and is not suitable for clamping and fixing small aviation parts to be processed.

The utility model provides a clamp for machining aviation parts, which comprises a base, an automatic rolling clamping device and an automatic extrusion clamping device, wherein the automatic rolling clamping device and the automatic extrusion clamping device are arranged on the upper surface of the base in parallel, the automatic rolling clamping device comprises a roller elastic supporting component, a transmission component and a pneumatic rod pressing component, the roller elastic supporting component is connected with the transmission component, the transmission component is connected with the pneumatic rod pressing component, the roller elastic supporting component and the pneumatic rod pressing component are oppositely arranged up and down, a space for installing large and medium aviation parts to be machined is reserved between the roller elastic supporting component and the pneumatic rod pressing component, the automatic extrusion clamping device comprises a V-shaped fixed clamping plate and a V-shaped movable clamping plate component, and the V-shaped fixed clamping plate and the V-shaped movable clamping plate component are oppositely arranged, and a space for installing small aviation parts to be machined is reserved between the V-shaped fixed clamping plate and the V-shaped movable clamping plate component.

According to the utility model, the automatic rolling clamping device and the automatic extrusion clamping device are arranged on the same base at the same time, so that the device is suitable for clamping and fixing large, medium and small aviation parts to be processed, and the efficiency of clamping and fixing the parts can be greatly improved. When the automatic rolling clamping device is used for clamping and fixing the large and medium-sized aviation part to be processed, the large and medium-sized aviation part to be processed is firstly placed on the roller elastic supporting component, then the roller elastic supporting component is pressed down by the dead weight of the large and medium-sized aviation part to be processed, and the pressing force is transmitted to the air pressure rod pressing component through the transmission component, so that the air pressure rod pressing component automatically moves downwards until contacting and clamping and fixing the air pressure rod pressing component at the upper surface of the large and medium-sized aviation part to be processed; when the automatic extrusion clamping device is used for clamping and fixing the small aviation part to be processed, the small aviation part to be processed is firstly placed on the V-shaped fixed clamping plate, and then the V-shaped movable clamping plate is automatically moved until contacting and clamping and fixing the small aviation part to be processed at the surface of the small aviation part to be processed.

Further, gyro wheel elastic support subassembly includes first bottom plate, pressurized plate, gyro wheel mounting groove, gyro wheel support bar post and compression spring, first bottom plate is located the base upper surface, the anterior upper surface of bottom plate is used for placing the aviation part of waiting to process, and the middle part upper surface is equipped with the pressurized plate, and the rear portion is opened has the gyro wheel mounting groove, all be equipped with in the gyro wheel mounting groove left and right sides gyro wheel support bar post, two equipartition has a plurality of between the gyro wheel support bar post the gyro wheel, be equipped with between the bottom of gyro wheel support bar post with compression spring is equipped with along upper and lower direction to the gyro wheel support bar post, first rack be used for with transmission subassembly links to each other.

Further, the transmission assembly adopts the gear transmission assembly, the gear transmission assembly includes that the roll extrusion presss from both sides tight fixed frame, first duplex gear train, bipyramid gear shaft and second duplex gear train, the top inner wall of roll extrusion presss from both sides tight fixed frame with the bottom surface opposite arrangement of gyro wheel mounting groove has two bipyramid gear shaft supports, bipyramid gear shaft vertically arranges and upper and lower both ends install respectively on two bipyramid gear shaft supports, the second duplex gear train includes first gear, second duplex gear shaft and first bevel gear, the both sides of first duplex gear shaft are equipped with respectively the first gear with first bevel gear, the roll extrusion presss from both sides and all is equipped with first duplex gear shaft support on the inner wall about the roll extrusion fixed frame lower part, the both ends of first duplex gear shaft are fixed mounting respectively two on the first duplex gear shaft support, first gear with the second bevel gear shaft support meshes mutually, the second bevel gear shaft is installed to the upper and lower both sides tight, the second bevel gear shaft is equipped with second bevel gear shaft support mutually, the second bevel gear shaft is equipped with second bevel gear shaft, the second duplex gear shaft support meshes mutually, the second bevel gear shaft support mutually, the second bevel gear shaft has the second bevel gear shaft support, the second duplex gear shaft support has the second bevel gear shaft support.

Further, the pneumatic rod pushes down the subassembly and includes movable plate, pneumatic rod, fixed head, reset spring, the top fixed mounting of roll extrusion clamp fixation frame has a plurality of reset spring, a plurality of reset spring's bottom with the movable plate links to each other, the bottom equipartition of movable plate has a plurality of the pneumatic rod, the head of pneumatic rod is equipped with the fixed head, be equipped with the second rack on the lateral wall of movable plate, the second rack with the second gear meshes, reset rod installation screw has been opened on the upper portion before the roll extrusion clamp fixation frame, reset rod installs the screw and installs the interior reset rod of screw, reset rod's one end with movable plate fixed connection, the other end extends the lateral surface of roll extrusion clamp fixation frame.

The press-down drive clamping path when a gear drive assembly is employed is: the method comprises the steps of pressing a roller downwards on a large and medium-sized aviation part to be processed, driving a roller support bar column to move downwards, driving a first rack to move downwards, driving a first gear to rotate, driving a first duplex gear shaft to rotate, driving a first bevel gear to rotate, driving a second bevel gear to rotate, driving a double bevel gear transmission shaft to rotate, driving a fourth bevel gear to rotate, driving a third bevel gear to rotate, driving a second duplex gear shaft to rotate, driving a second gear to rotate, driving a second rack to rotate, driving a moving plate to move downwards, driving a pneumatic rod to move downwards, and driving a fixed head to move downwards until contacting and clamping the upper surface of the large and medium-sized aviation part to be processed.

When the clamping and fixing state is required to be canceled after the large and medium-sized parts are machined, the reset rod is pressed and the moving plate is pushed to move backwards, so that the second rack and the second gear are in a disengaged state, and then the moving plate moves upwards to reset through the reset spring at the top of the moving plate. When the large and medium-sized parts are dismounted, the rollers are moved upwards to reset through the compression springs at the bottoms of the roller support bar posts.

Further, the appearance of receiving the clamp plate is right angle triangular prism, right angle triangular prism includes the inclined plane, the inclined plane is followed the direction is placed from low to high around the base and is used for guiding wait to process aviation part roll extremely on the gyro wheel, receiving the clamp plate bottom equipartition has a plurality of restriction springs, receiving the clamp plate with link to each other through the extension rod between the gyro wheel support bar post.

Further, the V-shaped movable clamp plate assembly comprises a second bottom plate, a movable clamp plate mounting plate, a pneumatic telescopic rod and a V-shaped movable clamp plate, wherein the movable clamp plate mounting plate is arranged on the front side face of the second bottom plate, the pneumatic telescopic rod is arranged on the middle upper portion of the movable clamp plate mounting plate, the V-shaped movable clamp plate is arranged at the rear end of the pneumatic telescopic rod, the front end of the pneumatic telescopic rod is connected with an air cylinder, and the V-shaped movable clamp plate is arranged opposite to the V-shaped fixed clamp plate.

The clamping and fixing route when the automatic extrusion clamping device is adopted is as follows: placing the small aviation part to be processed close to the two inner sides of the V-shaped fixed clamping plate, starting the cylinder and enabling the piston rod to extend, driving the pneumatic telescopic rod to extend, and driving the V-shaped movable clamping plate to move towards the V-shaped fixed clamping plate until the small aviation part to be processed is clamped and fixed.

When the small part is machined, the cylinder is started to enable the piston rod to shrink and drive the pneumatic telescopic rod to shrink, and then the V-shaped movable clamping plate is driven to move in the direction away from the V-shaped fixed clamping plate until the machined small part is loosened and removed.

Further, the V-shaped movable clamp plate and the V-shaped fixed clamp plate are oppositely arranged along the up-down direction or are oppositely arranged along the front-back direction.

Further, the fixed cardboard of L shape is adopted to the fixed splint appearance of V-arrangement, the fixed cardboard of L shape includes the fixed cardboard of first L shape and the fixed cardboard of second L shape, the one end of the fixed cardboard of first L shape with the contained angle that the one end of the fixed cardboard of second L shape formed links to each other is the right angle towards the place ahead, the other end of the fixed cardboard of first L shape with the other end of the fixed cardboard of second L shape equipartition respectively has a plurality of draw-in grooves, the movable splint of V shape adopts L shape movable cardboard, the movable cardboard of L shape includes first L shape movable cardboard and the movable cardboard of second L shape, the one end of first L shape movable cardboard with the contained angle that the one end of the movable cardboard of second L shape links to each other is the right angle towards the rear, the other end of the movable cardboard of first L shape with the other end of the movable cardboard of second L shape equipartition has a plurality of card strip respectively, a plurality of card strip and a plurality of card slot phase-match.

The clamping and fixing route when the automatic extrusion clamping device comprising the L-shaped fixed clamping plate and the L-shaped movable clamping plate is adopted is as follows: placing the small aviation part to be processed close to the two inner sides of the L-shaped fixed clamping plate, starting the air cylinder and enabling the piston rod to extend, driving the pneumatic telescopic rod to extend, driving the L-shaped movable clamping plate to move towards the direction of the L-shaped fixed clamping plate, and until a plurality of clamping strips on the L-shaped movable clamping plate are inserted into a plurality of clamping grooves on the L-shaped fixed clamping plate and are in contact with and clamp to fix the small aviation part to be processed.

Further, the first rack is replaced with a first chain.

Further, the transmission assembly adopts a chain transmission assembly, the chain transmission assembly comprises a rolling clamping fixed frame, a first double-gear sprocket set, a double-bevel gear transmission shaft and a second double-bevel gear sprocket set, two double-bevel gear transmission shaft supports are oppositely arranged on the inner wall of the top of the rolling clamping fixed frame and the bottom surface of the roller mounting groove, the double-bevel gear transmission shaft is vertically arranged, the upper shaft ends and the lower shaft ends are respectively arranged on the two double-bevel gear transmission shaft supports, the second double-bevel gear sprocket set comprises a first sprocket, a first double-bevel gear sprocket shaft and a first bevel gear, two sides of the first double-bevel gear sprocket shaft are respectively provided with a second sprocket and the first bevel gear, two ends of the first double-bevel gear sprocket shaft are respectively fixedly arranged on two second double-bevel gear sprocket shaft supports, two ends of the first double-bevel gear sprocket shaft are respectively meshed with the second bevel gear transmission shaft supports, two sides of the second double-bevel gear transmission shaft supports are respectively provided with a second double-bevel gear sprocket shaft, two double-bevel gear shafts are respectively meshed with the second bevel gear transmission shaft supports, two double-bevel gear shafts are respectively arranged on the left and right side walls of the lower than the rolling clamping fixed frame, two double-bevel gear shafts are respectively meshed with the second double-bevel gear shafts, the second sprocket is used for being connected with the pneumatic rod pressing component.

Further, the pneumatic rod pushes down the subassembly and includes movable plate, pneumatic rod, fixed head, reset spring, the top fixed mounting of roll extrusion clamp fixation frame has a plurality of reset spring, a plurality of reset spring's bottom with the movable plate links to each other, the bottom equipartition of movable plate has a plurality of the pneumatic rod, the head of pneumatic rod is equipped with the fixed head, be equipped with the second chain on the lateral wall of movable plate, the second chain with the second sprocket meshes mutually, reset rod installation screw has been opened to roll extrusion clamp fixation frame upper left portion, reset rod installs the screw and installs the interior reset rod of screw, reset rod's one end with movable plate fixed connection, the other end extends the lateral surface of roll extrusion clamp fixation frame.

The pressing transmission clamping route when the chain transmission assembly is adopted is as follows: the method comprises the steps of pressing a roller downwards on a large and medium-sized aviation part to be processed, driving a roller support bar column to move downwards, driving a first chain to move downwards, driving a first sprocket wheel to rotate, driving a first duplex gear chain wheel shaft to rotate, driving a first bevel gear to rotate, driving a second bevel gear to rotate, driving a double bevel gear transmission shaft to rotate, driving a fourth bevel gear to rotate, driving a third bevel gear to rotate, driving a second duplex gear chain wheel shaft to rotate, driving a second sprocket wheel to rotate, driving a second chain to rotate, driving a moving plate to move downwards, driving a pneumatic rod to move downwards, and driving a fixed head to move downwards until contacting and clamping the upper surface of the large and medium-sized aviation part to be processed.

When the clamping and fixing state is required to be canceled after the large and medium-sized parts are machined, the reset rod is pressed and the movable plate is pushed to move rightwards, so that the second chain and the second chain wheel are in a disengaged state, and then the movable plate moves upwards to reset through the reset spring at the top of the movable plate. When the large and medium-sized parts are dismounted, the rollers are moved upwards to reset through the compression springs at the bottoms of the roller support bar posts.

Further, the left side face of the first bottom plate is contacted with the right side face of the second bottom plate, a first connecting seat is arranged on the front side face of the first bottom plate, a second connecting seat is arranged on the front side face of the second bottom plate, and the first connecting seat and the second connecting seat are oppositely arranged and are connected through a connecting rod.

Drawings

Fig. 1 is a perspective view of a preferred embodiment of the present utility model.

Fig. 2 is a right side view of the embodiment of the present utility model shown in fig. 1.

Fig. 3 is a top view of the embodiment of fig. 1 of the present utility model.

Fig. 4 is a front cross-sectional view of the self-rolling clamping device of the embodiment of fig. 1 of the present utility model.

Reference numerals illustrate:

1-a first bottom plate; 11-a roller mounting groove; 12-a first connection base; 2-a second base plate; a 21-L type fixed clamping plate; 211-clamping grooves; 22-a movable splint mounting plate; 23-pneumatic telescopic rod; a 24-L-shaped movable clamping plate; 241-clip strip; 3-rolling and clamping the fixed frame; 4-a roller; 41-a roller support column; 42-a first gear; 43-double bevel gear drive shaft; 44-a second gear; 45-a second rack; 46-moving plate; 461-pneumatic rod; 462—a fixed head; 463-a return spring; 47-reset lever; 48-a compression spring; 5-a base; 6-a pressure receiving plate; 61-limiting the spring; 62-stretching rod.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model briefly described above will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", and the like in the embodiments indicate directional terms, and are merely used for simplifying the description based on the positional relationship of the drawings in the specification, and do not represent that the elements and devices and the like referred to must be operated according to the specific orientations and the operations and methods, configurations defined in the specification, and such directional terms do not constitute limitations of the present utility model.

The embodiment provides a fixture for aviation part processing, as shown in fig. 1-4, including base 5, automatic roll extrusion clamping device and automatic extrusion clamping device, base 5 upper surface has arranged side by side automatic roll extrusion clamping device with automatic extrusion clamping device, automatic roll extrusion clamping device includes gyro wheel elastic support subassembly, drive assembly and pneumatic lever hold-down subassembly, gyro wheel elastic support subassembly with drive assembly links to each other, drive assembly with pneumatic lever hold-down subassembly links to each other, gyro wheel elastic support subassembly with pneumatic lever hold-down subassembly is the relative arrangement from top to bottom and leaves the space of installing the large and medium-sized aviation part of waiting to process between the two, automatic extrusion clamping device includes V-arrangement fixed splint and V-arrangement movable splint subassembly, V-arrangement fixed splint with V-arrangement movable splint subassembly relative arrangement and leave the space of installing the small-size aviation part of waiting to process between the two.

In this embodiment, by simultaneously setting the automatic rolling clamping device and the automatic extrusion clamping device on the same base 5, the device can be applied to clamping and fixing large, medium and small aviation parts to be processed and can greatly improve the efficiency of clamping and fixing the parts. When the automatic rolling clamping device is used for clamping and fixing the large and medium-sized aviation part to be processed, the large and medium-sized aviation part to be processed is firstly placed on the roller elastic supporting component, then the roller elastic supporting component is pressed down by the dead weight of the large and medium-sized aviation part to be processed, and the pressing force is transmitted to the air pressure rod pressing component through the transmission component, so that the air pressure rod pressing component automatically moves downwards until contacting and clamping and fixing the air pressure rod pressing component at the upper surface of the large and medium-sized aviation part to be processed; when the automatic extrusion clamping device is used for clamping and fixing the small aviation part to be processed, the small aviation part to be processed is firstly placed on the V-shaped fixed clamping plate, and then the V-shaped movable clamping plate is automatically moved until contacting and clamping and fixing the small aviation part to be processed at the surface of the small aviation part to be processed.

Alternatively, as shown in fig. 1-4, the roller elastic supporting component comprises a first bottom plate 1, a pressure receiving plate 6, a roller mounting groove 11, rollers 4, a roller supporting bar column 41 and a pressure receiving spring 48, wherein the first bottom plate 1 is positioned on the upper surface of the base 5, the upper surface of the front part of the bottom plate 1 is used for placing aviation parts to be processed, the pressure receiving plate 6 is arranged on the upper surface of the middle part, the roller mounting groove 11 is arranged at the rear part, the roller supporting bar columns 41 are respectively arranged on the left side and the right side in the roller mounting groove 11, a plurality of rollers 4 are uniformly distributed between the roller supporting bar columns 41, the pressure receiving spring 48 is arranged between the bottom of the roller supporting bar column 41 and the bottom surface of the roller mounting groove 11, a first rack is arranged on the roller supporting bar column 41 along the up-down direction, and the first rack is used for being connected with the transmission component.

Alternatively, as shown in fig. 1-4, the transmission assembly adopts a gear transmission assembly, the gear transmission assembly comprises a rolling clamping fixed frame 3, a first duplex gear set, a double bevel gear transmission shaft 43 and a second duplex gear set, two double bevel gear transmission shaft supports are oppositely arranged on the top inner wall of the rolling clamping fixed frame 3 and the bottom surface of the roller mounting groove 11, the double bevel gear transmission shaft 43 is vertically arranged, the upper shaft ends and the lower shaft ends of the double bevel gear transmission shaft are respectively arranged on the two double bevel gear transmission shaft supports, the first duplex gear set comprises a first gear 42, a second duplex gear shaft and a first bevel gear, two sides of the first duplex gear shaft are respectively provided with the first gear 42 and the first bevel gear, two ends of the rolling clamping fixed frame 3 are respectively provided with a second duplex gear shaft support, two ends of the second duplex gear shaft are respectively fixedly arranged on the two second duplex gear shaft supports, the second bevel gear shaft 42 is meshed with the second rack gear shaft, the lower part of the double bevel gear transmission shaft 43 is provided with a second bevel gear shaft, two sides of the second bevel gear shaft support are respectively provided with a second bevel gear shaft support, two sides of the rolling clamping fixed frame 3 are respectively, two sides of the rolling clamping fixed on the lower part of the rolling clamping fixed frame are respectively, two sides of the rolling clamping fixed frame are respectively provided with a second duplex gear shaft support, two sides of the second duplex gear shafts respectively, two sides of the rolling transmission shafts are respectively, two sides of the two bevel gear shafts are respectively, and two sides of the two sides, and each of two shafts are respectively, and each of two right and are respectively, the second gear 44 is adapted to be coupled to the pneumatic ram hold down assembly.

Alternatively, as shown in fig. 1-4, the air pressure rod pressing component includes a moving plate 46, an air pressure rod 461, a fixing head 462, and a reset spring 463, where a plurality of reset springs 463 are fixedly installed on the top of the rolling press fixing frame 3, the bottoms of the plurality of reset springs 463 are connected with the moving plate 46, a plurality of air pressure rods 461 are uniformly distributed on the bottom of the moving plate 46, the head of the air pressure rod 461 is provided with the fixing head 462, a second rack 45 is provided on a side wall of the moving plate 46, the second rack 45 is meshed with the second gear 44, a reset rod installation screw hole is formed in the front upper portion of the rolling press fixing frame 3, a reset rod 47 is installed in the reset rod installation screw hole, one end of the reset rod 47 is fixedly connected with the moving plate 46, and the other end extends out of the outer side surface of the rolling press fixing frame 3.

In this embodiment, the press-down drive clamping path when a gear drive assembly is employed is: the method comprises the steps of pressing a roller 4 downwards for a large and medium-sized aviation part to be processed, driving a roller support bar 41 to move downwards, driving a first rack to move downwards, driving a first gear 42 to rotate, driving a first duplex gear shaft to rotate, driving a first bevel gear to rotate, driving a second bevel gear to rotate, driving a double bevel gear transmission shaft 43 to rotate, driving a fourth bevel gear to rotate, driving a third bevel gear to rotate, driving a second duplex gear shaft to rotate, driving a second gear 44 to rotate, driving a second rack 45 to rotate, driving a moving plate 46 to move downwards, driving a pneumatic rod 461 to move downwards, and driving a fixed head 462 to move downwards until contacting and clamping the upper surface of the large and medium-sized aviation part to be processed.

In the present embodiment, when the clamping fixing state needs to be canceled after the large and medium-sized parts are finished, the second rack 45 is disengaged from the second gear 44 by pressing the reset lever 47 and pushing the moving plate 46 to move backward, and then the moving plate 46 is moved upward to be reset by the reset spring 463 on the top of the moving plate 46. When the processed large and medium-sized parts are disassembled, the rollers are moved upwards and reset by the compression springs 48 at the bottoms of the roller support bar posts 41.

Optionally, as shown in fig. 1 and fig. 3, the shape of the pressure receiving plate 6 is a right triangular prism, the right triangular prism includes a bevel plane, the bevel plane is placed from low to high along the front-back direction of the base 5 and is used for guiding the aviation part to be processed to roll onto the roller 4, a plurality of limiting springs 61 are uniformly distributed at the bottom of the pressure receiving plate 6, and the pressure receiving plate 6 is connected with the roller supporting bar 41 through a stretching rod 62.

Alternatively, referring to fig. 1-3, the V-shaped movable clamp plate assembly includes a second bottom plate 2, a movable clamp plate mounting plate 22, a pneumatic telescopic rod 23, and a V-shaped movable clamp plate, wherein the movable clamp plate mounting plate 22 is mounted on the front side of the second bottom plate 2, the pneumatic telescopic rod 23 is mounted on the middle upper portion of the movable clamp plate mounting plate 22, the V-shaped movable clamp plate is mounted on the rear end of the pneumatic telescopic rod 23, the front end is connected with an air cylinder, and the V-shaped movable clamp plate is disposed opposite to the V-shaped fixed clamp plate.

In the present embodiment, the clamping fixing route when the automatic pressing clamping device is adopted is as follows: placing the small aviation part to be processed close to the two inner sides of the V-shaped fixed clamping plate, starting the cylinder and enabling the piston rod to extend, driving the pneumatic telescopic rod 23 to extend, and driving the V-shaped movable clamping plate to move towards the direction of the V-shaped fixed clamping plate until the small aviation part to be processed is clamped and fixed.

In this embodiment, after the small part is machined, the cylinder is started to shrink the piston rod and drive the pneumatic telescopic rod 23 to shrink, so that the V-shaped movable clamping plate is driven to move away from the V-shaped fixed clamping plate until the machined small part is loosened and removed.

Optionally, the V-shaped movable clamping plate and the V-shaped fixed clamping plate are oppositely arranged along the up-down direction or are oppositely arranged along the horizontal direction.

Alternatively, as shown in fig. 1-3, the shape of the V-shaped fixing clamp plate adopts an L-shaped fixing clamp plate 21, the L-shaped fixing clamp plate 21 includes a first L-shaped fixing clamp plate and a second L-shaped fixing clamp plate, an included angle formed by connecting one end of the first L-shaped fixing clamp plate with one end of the second L-shaped fixing clamp plate is a right angle towards the front, a plurality of clamping grooves 211 are uniformly distributed at the other end of the first L-shaped fixing clamp plate and the other end of the second L-shaped fixing clamp plate respectively, the V-shaped movable clamp plate adopts an L-shaped movable clamp plate 24, the L-shaped movable clamp plate 24 includes a first L-shaped movable clamp plate and a second L-shaped movable clamp plate, an included angle formed by connecting one end of the first L-shaped movable clamp plate with one end of the second L-shaped movable clamp plate is a right angle towards the rear, a plurality of clamping strips 241 are uniformly distributed at the other end of the first L-shaped movable clamp plate and the other end of the second L-shaped movable clamp plate respectively, and a plurality of clamping strips 241 are matched with a plurality of clamping grooves 211.

In the present embodiment, the clamping fixing route when the automatic pressing clamping device including the L-shaped fixing clamp plate 21 and the L-shaped movable clamp plate 24 is adopted is: placing the small aviation part to be processed close to the two inner sides of the L-shaped fixed clamping plate 21, starting the air cylinder and enabling the piston rod to extend, driving the pneumatic telescopic rod 23 to extend, driving the L-shaped movable clamping plate 24 to move towards the L-shaped fixed clamping plate 21 until a plurality of clamping strips 241 on the L-shaped movable clamping plate 24 are inserted into a plurality of clamping grooves 211 on the L-shaped fixed clamping plate 21 and are in contact with and clamp the small aviation part to be processed.

Optionally, the first rack is replaced with a first chain.

Alternatively, as shown in fig. 1-4, the transmission assembly adopts a chain transmission assembly, the chain transmission assembly comprises a rolling clamping fixed frame 3, a first double-gear sprocket set, a double-bevel gear transmission shaft 43 and a second double-gear sprocket set, two double-bevel gear transmission shaft supports are oppositely arranged on the inner wall of the top of the rolling clamping fixed frame 3 and the bottom surface of the roller mounting groove 11, the double-bevel gear transmission shaft 43 is vertically arranged, the upper and lower shaft ends of the double-bevel gear transmission shaft are respectively arranged on the two double-bevel gear transmission shaft supports, the first double-gear sprocket set comprises a first sprocket, a first double-bevel gear sprocket shaft and a first bevel gear, two sides of the second double-gear sprocket shaft are respectively provided with the first sprocket and the first bevel gear, two ends of the rolling clamping fixed frame 3 are respectively provided with a second double-bevel gear sprocket shaft support, two ends of the first double-bevel gear sprocket shaft are respectively fixedly arranged on two second double-bevel gear sprocket shafts, two ends of the first double-bevel gear sprocket shaft support are respectively meshed with the second bevel gear sprocket shaft support, two double-bevel gear shafts are respectively arranged on the two lower double-bevel gear sprocket shafts are respectively, two double-bevel gear sprocket shafts are respectively meshed with the second bevel gear sprocket shafts, two double-bevel gear shafts are respectively arranged on the lower part of the rolling clamping fixed frame 3, two double-bevel gear shafts are respectively meshed with the second bevel gear sprocket shafts respectively, and two double-bevel gear shafts are respectively meshed with the two bevel gear shafts respectively, the second sprocket is used for being connected with the pneumatic rod pressing component.

Alternatively, referring to fig. 1-4, the air pressure rod pressing assembly includes a moving plate 46, an air pressure rod 461, a fixing head 462, and a reset spring 463, where a plurality of reset springs 463 are fixedly installed at the top of the rolling press fixing frame 3, the bottoms of the plurality of reset springs 463 are connected to the moving plate 46, a plurality of air pressure rods 461 are uniformly distributed at the bottom of the moving plate 46, the head of the air pressure rod 461 is provided with the fixing head 462, a second chain is provided on a side wall of the moving plate 46, the second chain is engaged with the second sprocket, a reset rod installation screw hole is formed at the upper left part of the rolling press fixing frame 3, a reset rod 47 is installed in the reset rod installation screw hole, one end of the reset rod 47 is fixedly connected to the moving plate 46, and the other end extends out of the outer side surface of the rolling press fixing frame 3.

In this embodiment, the press-down drive clamping path when a chain drive assembly is employed is: the method comprises the steps of pressing a roller 4 downwards for a large and medium-sized aviation part to be processed, driving a roller support bar 41 to move downwards, driving a first chain to move downwards, driving a first sprocket wheel to rotate, driving a first double-linked gear chain wheel shaft to rotate, driving a first bevel gear to rotate, driving a second bevel gear to rotate, driving a double-bevel gear transmission shaft 43 to rotate, driving a fourth bevel gear to rotate, driving a third bevel gear to rotate, driving a second double-linked gear chain wheel shaft to rotate, driving a second sprocket wheel to rotate, driving a second chain to rotate, driving a moving plate 46 to move downwards, driving a pneumatic rod 461 to move downwards, and driving a fixed head 462 to move downwards until contacting and clamping the upper surface of the large and medium-sized aviation part to be processed.

In the present embodiment, when the clamping fixing state is required to be canceled after the large and medium-sized parts are finished, the second chain is disengaged from the second sprocket by pressing the reset lever 47 and pushing the moving plate 46 to move rightward, and then the moving plate 46 is moved upward to be reset by the reset spring 463 at the top of the moving plate 46. When the processed large and medium-sized parts are dismounted, the rollers 4 are moved upwards and reset by the compression springs 48 at the bottoms of the roller support bar posts 41.

Alternatively, as shown in fig. 1-3, the left side surface of the first bottom plate 1 contacts with the right side surface of the second bottom plate 2, the front side surface of the first bottom plate 1 is provided with a first connecting seat 12, the front side surface of the second bottom plate 2 is provided with a second connecting seat, and the first connecting seat 12 and the second connecting seat are oppositely arranged and are connected through a connecting rod.

Although the present utility model is disclosed in the above preferred embodiments, the present utility model is not limited thereto. Various arrangements and combinations of the above-described preferred embodiments can be made by those skilled in the art without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (10)

1. The utility model provides an aviation part processing anchor clamps, its characterized in that includes base (5), automatic roll extrusion clamping device and automatic extrusion clamping device, base (5) upper surface has arranged side by side automatic roll extrusion clamping device with automatic extrusion clamping device, automatic roll extrusion clamping device includes gyro wheel elastic support subassembly, drive assembly and atmospheric pressure pole pushing component, gyro wheel elastic support subassembly with drive assembly links to each other, drive assembly with atmospheric pressure pole pushing component links to each other, gyro wheel elastic support subassembly with atmospheric pressure pole pushing component is the space of the large and medium-sized aviation part of processing of installation and reserving between the two about being relative arrangement, automatic extrusion clamping device includes V-arrangement fixed splint and V-arrangement movable splint subassembly, V-arrangement fixed splint with V-arrangement movable splint subassembly relative arrangement and reserving the space of the small-size aviation part of processing of waiting between the two.

2. The fixture for machining aviation parts according to claim 1, wherein the roller elastic supporting assembly comprises a first bottom plate (1), a pressure receiving plate (6), a roller mounting groove (11), rollers (4), a roller supporting bar column (41) and a compression spring (48), the first bottom plate (1) is located on the upper surface of the base (5), the upper surface of the front portion of the first bottom plate (1) is used for placing aviation parts to be machined, the pressure receiving plate (6) is arranged on the upper surface of the middle portion, the roller mounting groove (11) is arranged at the rear portion, the roller supporting bar column (41) is arranged on the left side and the right side in the roller mounting groove (11), a plurality of rollers (4) are uniformly distributed between the two roller supporting bar columns (41), the compression spring (48) is arranged between the bottom of the roller supporting bar column (41) and the bottom surface of the roller mounting groove (11), the roller supporting bar column (41) is provided with a first rack in the upper and lower direction, and the first rack is used for being connected with the transmission assembly.

3. The fixture for machining aviation parts according to claim 2, wherein the transmission assembly is a gear transmission assembly, the gear transmission assembly comprises a rolling clamping fixing frame (3), a first duplex gear set, a duplex gear transmission shaft (43) and a second duplex gear set, two duplex gear transmission shaft supports are oppositely arranged on the inner wall of the top of the rolling clamping fixing frame (3) and the bottom surface of the roller mounting groove (11), the duplex gear transmission shaft (43) is vertically arranged, the upper shaft ends and the lower shaft ends of the duplex gear transmission shaft are respectively arranged on the two duplex gear transmission shaft supports, the first duplex gear set comprises a first gear (42), a first duplex gear shaft and a first bevel gear, the two sides of the first duplex gear shaft are respectively provided with the first gear (42) and the first bevel gear, the left and right inner walls of the lower part of the rolling clamping fixing frame (3) are respectively provided with the first duplex gear shaft supports, the two ends of the first duplex gear shaft are respectively fixedly arranged on the two second duplex gear shaft supports, the second gear (42) and the second duplex gear shaft supports are respectively meshed with the second duplex gear shaft supports, the second duplex gear shaft supports are respectively provided with the second duplex gear (44), the two duplex gear shafts are respectively meshed with the second duplex gear shafts (43) and the second duplex gear shafts are respectively arranged on the two duplex gear transmission frames respectively, the two ends of the second duplex gear shaft are respectively and fixedly arranged on the two second duplex gear shaft supports, a fourth bevel gear is arranged on the upper portion of the double bevel gear transmission shaft (43), the third bevel gear is meshed with the fourth bevel gear, and the second gear (44) is used for being connected with the pneumatic rod pressing assembly.

4. The fixture for machining aviation parts according to claim 3, wherein the pneumatic rod pressing component comprises a moving plate (46), a pneumatic rod (461), a fixed head (462) and a reset spring (463), a plurality of reset springs (463) are fixedly arranged at the top of the rolling clamping fixing frame (3), a plurality of reset springs (463) are connected with the moving plate (46) at the bottom, a plurality of pneumatic rods (461) are uniformly distributed at the bottom of the moving plate (46), the fixed head (462) is arranged at the head of the pneumatic rod (461), a second rack (45) is arranged on the side wall of the moving plate (46), the second rack (45) is meshed with the second gear (44), a reset rod mounting screw hole is formed in the front upper portion of the rolling clamping fixing frame (3), a reset rod (47) is arranged in the reset rod mounting screw hole, one end of the reset rod (47) is fixedly connected with the moving plate (46), and the other end of the reset rod extends out of the outer side surface of the rolling clamping fixing frame (3).

5. The fixture for machining aviation parts according to claim 2, wherein the shape of the pressure receiving plate (6) is a right triangular prism, the right triangular prism comprises an inclined plane, the inclined plane is placed from low to high along the front-back direction of the base (5) and used for guiding the aviation parts to be machined to roll onto the roller (4), a plurality of limiting springs (61) are uniformly distributed at the bottom of the pressure receiving plate (6), and the pressure receiving plate (6) is connected with the roller supporting bar (41) through a stretching rod (62).

6. The clamp for machining aviation parts according to claim 1, wherein the V-shaped movable clamp plate assembly comprises a second base plate (2), a movable clamp plate mounting plate (22), a pneumatic telescopic rod (23) and a V-shaped movable clamp plate, the movable clamp plate mounting plate (22) is mounted on the front side surface of the second base plate (2), the pneumatic telescopic rod (23) is mounted on the middle upper portion of the movable clamp plate mounting plate (22), the V-shaped movable clamp plate is mounted on the rear end of the pneumatic telescopic rod (23), the front end of the V-shaped movable clamp plate is used for being connected with an air cylinder, and the V-shaped movable clamp plate is arranged opposite to the V-shaped fixed clamp plate.

7. The fixture for machining aviation parts according to claim 6, wherein the V-shaped fixed clamping plate is an L-shaped fixed clamping plate (21), the L-shaped fixed clamping plate (21) comprises a first L-shaped fixed clamping plate and a second L-shaped fixed clamping plate, an included angle formed by connecting one end of the first L-shaped fixed clamping plate with one end of the second L-shaped fixed clamping plate is a right angle towards the front, a plurality of clamping grooves (211) are uniformly distributed at the other end of the first L-shaped fixed clamping plate and the other end of the second L-shaped fixed clamping plate respectively, the V-shaped movable clamping plate is an L-shaped movable clamping plate (24), the L-shaped movable clamping plate (24) comprises a first L-shaped movable clamping plate and a second L-shaped movable clamping plate, an included angle formed by connecting one end of the first L-shaped movable clamping plate with one end of the second L-shaped movable clamping plate is a right angle towards the rear, a plurality of clamping strips (241) are uniformly distributed at the other end of the first L-shaped movable clamping plate and the other end of the second L-shaped movable clamping plate respectively, and the plurality of clamping strips (241) are matched with the clamping grooves (211).

8. The clamp for machining an aircraft part according to claim 2, wherein the first rack is replaced with a first chain.

9. The fixture for machining aviation parts according to claim 8, wherein the transmission assembly is a chain transmission assembly, the chain transmission assembly comprises a rolling clamping fixing frame (3), a first double-gear sprocket set, a double-bevel gear transmission shaft (43) and a second double-gear sprocket set, two double-bevel gear transmission shaft supports are oppositely arranged on the inner wall of the top of the rolling clamping fixing frame (3) and the bottom surface of the roller mounting groove (11), the double-bevel gear transmission shaft (43) is vertically arranged, the upper shaft ends and the lower shaft ends of the double-bevel gear transmission shaft are respectively arranged on the two double-bevel gear transmission shaft supports, the first double-gear sprocket set comprises a first sprocket, a second double-bevel gear sprocket shaft and a first bevel gear, two sides of the first double-gear sprocket shaft are respectively provided with the first sprocket and the first bevel gear, two sides of the rolling clamping fixing frame (3) are respectively provided with a second double-gear sprocket support, two ends of the second double-bevel gear sprocket shaft are respectively fixedly arranged on two second double-bevel gear sprocket shafts, two sides of the rolling clamping fixing frame (3), two sides of the second double-bevel gear sprocket shafts are respectively provided with the second double-gear sprocket shafts are respectively meshed with the second double-bevel gear sprocket shafts (3), the two ends of the second duplex gear sprocket shaft are respectively and fixedly arranged on two second duplex gear sprocket shaft supports, a fourth bevel gear is arranged on the upper portion of the double bevel gear transmission shaft (43), the third bevel gear is meshed with the fourth bevel gear, and the second sprocket is used for being connected with the pneumatic rod pressing assembly.

10. The fixture for machining aviation parts according to claim 9, wherein the air pressure rod pressing component comprises a moving plate (46), an air pressure rod (461), a fixed head (462) and a reset spring (463), a plurality of reset springs (463) are fixedly arranged at the top of the rolling clamping fixing frame (3), the bottoms of the reset springs (463) are connected with the moving plate (46), a plurality of air pressure rods (461) are uniformly distributed at the bottom of the moving plate (46), the fixed head (462) is arranged at the head of the air pressure rod (461), a second chain is arranged on the side wall of the moving plate (46), the second chain is meshed with the second chain wheel, a reset rod mounting screw hole is formed in the left upper portion of the rolling clamping fixing frame (3), a reset rod (47) is arranged in the reset rod mounting screw hole, one end of the reset rod (47) is fixedly connected with the moving plate (46), and the other end of the reset rod extends out of the outer side face of the rolling clamping fixing frame (3).

Images