Propeller key groove machining clamping device

Abstract

The utility model discloses a clamping device for propeller key groove machining. The clamping device comprises a taper base plate assembly and a clamping and positioning mechanism which are installed on a tray. The clamping and positioning mechanism is matched with the tray for positioning and mounting and is used for clamping and positioning the propeller; the taper base plate assembly is matched with the tray for mounting and is used for adjusting the inclination angle of the propeller; according to the propeller key groove machining clamping device in the technical scheme, a propeller can fall to the correct machining position of the taper cushion block, the working clamp can be adjusted to the proper position more rapidly and accurately through the structure of the clamping positioning mechanism, the working efficiency is greatly improved, and meanwhile the labor intensity of workers is relieved; and meanwhile, the propeller is pressed more stably, the phenomena of deviation and shaking do not occur in the machining process, and the machining quality of the key groove and the operation safety are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to propeller processing field, concretely relates to a propeller keyway processing clamping device. BACKGROUND

[0002] Propeller refers to the blade in air or water rotation, the rotating power of engine is converted into the device of propulsive force, can have two or more leaves and hub connection, the rear of leaf is helical surface or approximate helical surface a kind of propeller, propeller is important component in power system.

[0003] In the existing propeller keyway processing process, propeller taper hole needs to be processed, since propeller taper hole is big down small (or small down big) taper structure along axial direction, cutter is vertically downward in plug cutting processing, therefore, propeller taper hole position needs to be adjusted, so that plug cutting processing is smoothly carried out, the existing mode is that propeller is installed on tray and is adjusted using shim, ensures the processing position of its taper hole, but shim position is prone to deviation, and structure is prone to deformation;At the same time, propeller is not clamped and fixed by special device, and the overall structural stability is poor, processing is extremely inconvenient.

[0004] Therefore, to solve the above problems, a propeller keyway processing clamping device is needed to solve the above production problems. UTILITY MODEL CONTENTS

[0005] Therefore, the propeller keyway processing clamping device of the technical scheme can be placed in the correct processing position of the taper shim, the structure of the clamping and positioning mechanism can quickly and accurately adjust the working clamp to the appropriate position, greatly improving the work efficiency and reducing the labor intensity of personnel;At the same time, the propeller is more stable, and the processing process will not deviate and vibrate, so that the processing quality of the keyway and the safety of the operation are greatly improved.

[0006] A propeller keyway processing clamping device, comprising a taper shim assembly installed on a tray and a clamping and positioning mechanism;The clamping and positioning mechanism is positioned and installed with the tray and clamps and positions the propeller, and the taper shim assembly is installed with the tray and is used to adjust the inclination angle of the propeller.

[0007] Further, the clamping and positioning mechanism comprises a support plate installed with the tray, a height rod adjusting assembly installed on the support plate, a positioning pressure ring for pressing the propeller, and a locking rod assembly used with the positioning pressure ring;The locking rod assembly is installed with the support plate and the height adjusting rod assembly, and the end is used to press the positioning pressure ring.

[0008] Further, the height rod adjusting assembly comprises a support sleeve mounted on the support plate, an adjusting stud mounted in cooperation with the support sleeve, and a positioning nut mounted in cooperation with the adjusting stud, the lower end of the adjusting stud is mounted in cooperation with the support sleeve, and the positioning nut is adjustably mounted on the upper end of the adjusting stud and used for supporting the locking rod assembly.

[0009] Further, the locking rod assembly comprises a pressing arm and a locking rod mounted on the pressing arm and in cooperation with the support plate, one end of the pressing arm is mounted in cooperation with the height rod adjusting assembly, and the other end of the pressing arm is pressed in cooperation with a positioning pressing ring.

[0010] Further, a strip-shaped slot for mounting the locking rod is formed on the pressing arm, a support plate opening hole for mounting the locking rod in cooperation with the support plate is formed on the support plate, and the end of the locking rod passes through the strip-shaped slot and is positioned and locked in cooperation with the support plate.

[0011] Further, a pressing ring slot for positioning and mounting the propeller is formed on the bottom of the positioning pressing ring.

[0012] Further, a sleeve support plate for mounting the support plate is formed on the bottom of the support sleeve, and a support plate opening hole for positioning and mounting the support plate in cooperation with the support plate is formed on the sleeve support plate.

[0013] Further, the taper pad assembly comprises a pad body and a pad positioning block arranged at the end of the pad body, a propeller positioning hole is formed in the middle of the pad body, and the pad positioning block is inserted and mounted in cooperation with the tray.

[0014] Further, the pad body is in the shape of a cuboid as a whole, and an inclined included angle is formed on the upper surface of the pad body relative to the lower surface of the pad body.

[0015] The propeller key groove machining clamping device has the advantages that the propeller can be placed in the correct machining position of the taper pad, the structure of the clamping and positioning mechanism can quickly and accurately adjust the work clamp to the appropriate position, the working efficiency is greatly improved, and the labor intensity of personnel is reduced; meanwhile, the propeller is pressed more stably, the deviation and shaking phenomenon in the machining process is eliminated, the machining quality of the key groove is greatly improved, and the safety of operation is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further described in connection with the drawings and examples:

[0017] Figure 1 It is the whole structure schematic view of the utility model;

[0018] Figure 2 It is the installation side surface schematic view of the utility model;

[0019] Figure 3 It is the pad body schematic view of the utility model;

[0020] Figure 4 is a schematic view of the support sleeve of the utility model;

[0021] Figure 5 is a schematic view of the adjusting stud of the utility model;

[0022] Figure 6 is a schematic view of the bottom of the positioning pressing ring of the utility model;

[0023] Figure 7 is a schematic view of the utility model Figure 2 is a schematic view of the A place in the middle. DETAILED DESCRIPTION

[0024] Figure 1 is a schematic view of the overall structure of the utility model; Figure 2 is a schematic view of the installation side of the utility model; Figure 3 is a schematic view of the base plate body of the utility model; Figure 4 is a schematic view of the support sleeve of the utility model; Figure 5 is a schematic view of the adjusting stud of the utility model; Figure 6 is a schematic view of the bottom of the positioning pressing ring of the utility model; Figure 7 is a schematic view of the utility model Figure 2 is a schematic view of the A place in the middle; as shown in the figure, a propeller key groove machining clamping device, comprising a taper base plate assembly 8 mounted on a tray 10 and a clamping positioning mechanism; the clamping positioning mechanism is positioned and installed in cooperation with the tray 10 and clamps and positions the propeller 7, and the taper base plate assembly is installed in cooperation with the tray 10 and is used for adjusting the inclination angle of the propeller; the propeller key groove machining clamping device of the technical scheme can be placed in the correct machining position of the taper base plate, the structure of the clamping positioning mechanism can adjust the work clamp to the appropriate position more quickly and accurately, greatly improving the work efficiency and reducing the labor intensity of personnel; at the same time, the propeller is pressed more stably, and the processing process will not appear deviation and shaking phenomenon, so that the processing quality and the safety of operation of the key groove are greatly improved.

[0025] In the embodiment, the clamping positioning mechanism comprises a support plate 9 installed in cooperation with the tray 10, a height rod adjusting assembly installed on the support plate 9, a positioning pressing ring 1 used for pressing the propeller 7, and a locking rod assembly used in cooperation with the positioning pressing ring 1; the locking rod assembly is installed in cooperation with the support plate 9 and the height adjusting rod assembly and the end part is used for pressing the positioning pressing ring 1. The support plate 9 is fixedly installed in cooperation with the tray 10, the height adjusting rod assembly is installed on the support plate 9, the positioning pressing ring 1 is pressed and installed in cooperation with the locking rod assembly, the positioning pressing ring 1 presses the propeller 7, and the stability of the overall structure installation is ensured, such as Figure 1 、 2As shown, the support plate 9 and the height rod adjusting assembly and the like are correspondingly provided with at least two groups, ensuring that the overall structure is balanced in stress and stable.

[0026] In this embodiment, the height rod adjusting assembly comprises a support sleeve 6 mounted on the support plate 9, an adjusting stud 5 mounted in cooperation with the support sleeve 6, and a positioning nut 4 mounted in cooperation with the adjusting stud 5. The lower end of the adjusting stud 5 is mounted in cooperation with the support sleeve 6, and the positioning nut 4 is adjustably mounted on the upper end of the adjusting stud and used to support the locking rod assembly. The support sleeve 6 is fixedly mounted in cooperation with the support plate 9. The support sleeve 6 is in a cylindrical structure as a whole. The lower end of the adjusting stud 5 is inserted into the inside of the support sleeve 6. The upper end of the adjusting stud 5 is mounted in cooperation with the positioning nut 4. The upper end surface of the positioning nut 4 is mounted in cooperation with the pressure arm 2. When height adjustment is needed, the mounting height of the positioning nut is rotated, and the height adjustment of the pressure arm 2 can be realized.

[0027] In this embodiment, the locking rod assembly comprises a pressure arm 2 and a locking rod 3 mounted on the pressure arm 2 and mounted in cooperation with the support plate 9. One end of the pressure arm 2 is mounted in cooperation with the height rod adjusting assembly, and the other end of the pressure arm 2 is pressed in cooperation with the positioning pressure ring 1. The two ends of the pressure arm 2 are respectively mounted in cooperation with the positioning pressure ring 1 and the positioning nut 4. Of course, the lower surface of the pressure arm 2 can be provided with corresponding positioning holes to facilitate positioning and mounting in cooperation with the positioning nut 4, improve the mounting precision, and also make the overall structure more stable.

[0028] In this embodiment, the pressure arm 2 is provided with a strip-shaped groove for mounting the locking rod 3. The support plate 9 is provided with a support plate opening hole for mounting the locking rod 3. The end of the locking rod 3 passes through the strip-shaped groove and is positioned and locked in cooperation with the support plate 9. The support plate 9 is provided with a plurality of support plate opening holes which are uniformly distributed along the length direction. The pressure arm 2 is provided with a strip-shaped groove. After the locking rod 3 is selected to pass through the strip-shaped groove and the support plate opening hole, it is locked to have a pre-tightening force in an axial direction, ensuring that the stability of the overall structure is guaranteed.

[0029] In this embodiment, the bottom of the positioning pressure ring 1 is provided with a pressure ring slot for positioning and mounting the propeller 7. Figure 6 As shown, the lower surface of the positioning pressure ring 1 is provided with an arc-shaped groove structure. The arc-shaped groove has different radii to facilitate the installation of propeller blades of different specifications, so that the positioning and mounting precision is higher. During processing, rotation is avoided. Of course, the arc-shaped groove can be provided in two groups or multiple groups and arranged in rotational symmetry relative to the center of the positioning pressure ring 1, facilitating the installation of the blades. The lower surface of the pressure arm 2 (the contact end with the positioning pressure ring 1) can be provided with a longitudinal and transverse slot structure or mounted with a rubber pad, etc., to further improve the friction between the pressure arm 2 and the positioning pressure ring 1 and improve the pressing effect.

[0030] In this embodiment, the bottom of the support sleeve 6 is formed with a sleeve support plate 61 installed with the support plate, and the sleeve support plate 61 is provided with a support plate opening hole for positioning and installing the support plate. The support sleeve 6 and the sleeve support plate 61 can be welded or integrally formed, and the support plate opening hole of the sleeve support plate 61 is bolted with the support plate 9.

[0031] In this embodiment, the taper gasket assembly 8 includes a gasket body and a gasket positioning block 81 arranged at the end of the gasket body, and the middle of the gasket body is provided with a propeller positioning hole, and the gasket positioning block is inserted into the tray 10. After the gasket positioning block 81 at the end of the gasket body is inserted into the strip-shaped groove on the tray 10, the gasket body is fixed on the tray by using the positioning hole 82 on the gasket body and the bolt with the gasket 11.

[0032] In this embodiment, the gasket body is in the shape of a rectangular parallelepiped, and the upper surface of the gasket body forms an inclined angle with the lower surface of the gasket body. Figure 3 As described above, the gasket body is in the shape of a rectangular parallelepiped, and the middle is provided with a mounting hole for installing the propeller. The upper surface of the gasket body has a certain inclination angle with the lower surface, that is, the thickness of the left end a of the gasket is greater than the thickness of the right end b of the gasket, so that the axis of the propeller has a certain inclination angle with the vertical direction after installation, which is convenient for machining. Of course, when the angle needs to be adjusted, the gasket can be installed on the upper surface of the gasket body to adjust the angle, so that the machining precision of the overall structure is improved.

[0033] A method for using a propeller key groove machining clamping device, comprising the following steps:

[0034] S1: Install the taper gasket assembly on the tray 10, ensure that the gasket positioning block 81 at the end of the gasket body is installed in the tray positioning groove, hoist the propeller 7 and install it on the gasket body, ensure that the key groove to be machined is in the right position after installation, and lock the gasket body; after the taper gasket assembly is installed on the tray, the propeller is installed on the gasket, and the position is adjusted. If there is deviation in the installation position, the gasket or other means can be used for fine adjustment, so that the installation position meets the machining position, and then the positioning and locking are carried out.

[0035] S2: Install the support plate 9 on the tray 10, and fix and install the support sleeve 6 on the end of the support plate 9 for locking, and insert the adjusting stud 5 into the support sleeve and install the positioning nut 4 on the upper end of the adjusting stud 5; after the support sleeve 6 and the adjusting stud 5 are installed in place, the positioning nut is installed on the adjusting stud;

[0036] S3: install the positioning pressure ring 1 on the upper end of the propeller, rotate the adjusting positioning pressure ring 1 to make the propeller fit the groove installation of the pressure ring, install the pressure arm 2 to make the two ends of the pressure arm 2 respectively installed on the upper surface of the positioning nut and the upper surface of the positioning pressure ring; after the positioning pressure ring 1 is installed on the propeller blade, rotate the adjusting to make it fit the groove installation of the pressure ring on the upper end of the blade, ensure the installation stability, observe the installation of the blade to the position, and install the pressure arm;

[0037] S4: adjust the installation height of the positioning nut 4, so that the pressure arm is arranged in parallel relative to the tray surface, and the locking rod 3 is used to lock through the support plate and the pressure arm. Adjust the height of the positioning nut to make the pressure arm relative to the tray 10 in a parallel position, and then lock with the locking rod 3.

[0038] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and they should be covered in the scope of the claims of the present application.

Claims

1. A propeller keyway machining clamping device, characterized by: The application relates to a propeller installation device, which comprises a taper pad assembly installed on a tray and a clamping positioning mechanism; the clamping positioning mechanism is installed on the tray and is used for clamping and positioning the propeller, and the taper pad assembly is installed on the tray and is used for adjusting the inclination angle of the propeller.

2. The propeller keyway machining clamp apparatus according to claim 1, characterized by: The clamping positioning mechanism comprises a support plate installed on the tray, a height rod adjusting assembly installed on the support plate, a positioning pressing ring used for pressing the propeller, and a locking rod assembly used in cooperation with the positioning pressing ring; the locking rod assembly is installed on the support plate and the height rod adjusting assembly and the end part is used for pressing the positioning pressing ring.

3. The propeller keyway machining clamp apparatus according to claim 2, characterized by: The height rod adjusting assembly comprises a support sleeve installed on the support plate, an adjusting stud installed on the support sleeve, and a positioning nut installed on the adjusting stud; the lower end of the adjusting stud is installed on the support sleeve, and the positioning nut is adjustably installed on the upper end of the adjusting stud and is used for supporting the locking rod assembly.

4. The propeller keyway machining clamp apparatus according to claim 2, characterized by: The locking rod assembly comprises a pressing arm and a locking rod installed on the pressing arm and installed on the support plate; one end of the pressing arm is installed on the height rod adjusting assembly, and the other end of the pressing arm is used for pressing the positioning pressing ring.

5. The propeller keyway machining clamp apparatus according to claim 4, characterized by: A strip-shaped groove is formed on the pressing arm and is used for installing the locking rod; a support plate opening hole is formed on the support plate and is used for installing the locking rod; and the end part of the locking rod passes through the strip-shaped groove and is positioned and locked on the support plate.

6. The propeller keyway machining clamp apparatus according to claim 2, characterized by: A pressing ring groove is formed on the bottom of the positioning pressing ring and is used for installing and positioning the propeller.

7. The propeller keyway machining clamp apparatus according to claim 3, characterized by: A sleeve support plate is formed on the bottom of the support sleeve and is used for installing the support plate; and a support plate opening hole is formed on the sleeve support plate and is used for installing and positioning the support plate.

8. The propeller keyway machining clamp apparatus according to claim 1, characterized by: The taper pad assembly comprises a pad body and pad positioning blocks arranged on the end parts of the pad body; a propeller positioning hole is formed in the middle part of the pad body; and the pad positioning blocks are inserted on the tray.

9. The propeller keyway machining clamp apparatus according to claim 8, characterized by: The pad body is in the shape of a cuboid; and an inclined angle is formed between the upper surface of the pad body and the lower surface of the pad body.

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