Propeller machining tool with limiting mechanism

Abstract

The propeller machining tool with the limiting mechanism comprises a base, a workbench, a moving assembly and a clamping assembly, the workbench longitudinally moves on the base through the moving assembly, and the clamping assembly comprises a positioning limiting seat and a moving limiting seat which are arranged on the workbench. A limiting area for fixing the propeller is formed between the positioning limiting seat and the movable limiting seat, and the distance between the movable limiting seat and the positioning limiting seat is adjusted through the power unit, so that the size of the limiting area is adjusted. A second handle is rotated to drive a second screw to rotate, a second bearing sleeve drives a movable limiting seat to move, the size of a limiting area is adjusted according to the size of the propeller, preliminary fixing of the propeller is completed, finally, a third handle is rotated, axial feeding relative to a supporting plate is achieved through a third screw, and the movable limiting seat is supported; and final fixing of the propeller is achieved, the overall stability is good, and the machining accuracy of the propeller is improved.

Description

Technical Field

[0001] The utility model relates specifically to a propeller processing tool with a limiting mechanism. Background Art

[0002] A propeller is a device that converts the engine's rotational power into propulsion by rotating the blades in the air or water. It can have two or more blades connected to the hub, and the rear side of the blade is a helical surface or a propeller similar to a helical surface. There are many types of propellers, and they are widely used, such as propellers for aircraft and ships.

[0003] Currently, propellers need to undergo surface finishing after production to achieve accuracy. However, the current processing tooling will produce a certain amount of shaking during the propeller processing, affecting processing efficiency and accuracy. Utility Model Content

[0004] The purpose of the utility model is to provide a propeller processing tool with a limiting mechanism to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a propeller processing tool with a limiting mechanism, comprising a base, a workbench, a movable assembly and a clamping assembly, wherein the workbench moves longitudinally on the base through the movable assembly, and the clamping assembly comprises a positioning limiting seat and a movable limiting seat arranged on the workbench, wherein a limiting area for fixing the propeller is formed between the positioning limiting seat and the movable limiting seat, and the movable limiting seat adjusts the distance between the movable limiting seat and the positioning limiting seat through a power unit to adjust the size of the limiting area.

[0006] Preferably, the moving component includes a groove centrally opened on the surface of the base, a first screw is arranged in the groove, protrusions extend upward from notches on both sides of the groove, and a first sliding groove adapted to the protrusion is opened in the workbench.

[0007] Preferably, a first rotating rod is provided on the outside of the base, the first rotating rod extends into the groove and is connected to the first screw, and a first handle is connected to one end of the rotating rod away from the first screw, and a first bearing sleeve is provided on the outside of the screw, and the top of the first bearing sleeve is connected to the lower surface of the workbench.

[0008] Preferably, a strip groove is provided in the workbench, the power unit comprises a second screw rod arranged in the strip groove, a second bearing sleeve is sleeved on the outer side of the second screw rod, and the second bearing sleeve is connected to the movable limit seat through a connecting plate.

[0009] Preferably, second sliding grooves are respectively provided along the upwardly extending portions of the inner walls on both sides of the strip-shaped groove, and a sliding block adapted to the second limiting seat is provided at the bottom of the movable limiting seat.

[0010] Preferably, a second rotating rod is arranged on the outer side of the workbench, the second rotating rod extends into the strip groove and is connected to the second screw rod, and a second handle is connected to one end of the second screw rod away from the second screw rod.

[0011] Preferably, the clamping assembly also includes a support plate arranged on the workbench, a third screw rod is inserted into the support plate and feeds axially relative to the support plate, one end of the third screw rod is connected to the movable limit block through a bearing seat, and a third handle is provided at the other end of the third screw rod.

[0012] The technical effects and advantages of the utility model are as follows: the propeller processing tooling with a limiting mechanism places the propeller to be processed in the limiting area formed between the movable limiting seat and the fixed limiting seat, rotates the first handle to drive the rotation of the first screw, and the convex block slides in the first slide groove to convert the rotational motion into linear motion, so that the first bearing sleeve drives the workbench to move on the base, and moves the propeller to the working direction of the staff, and then rotates the second handle to drive the rotation of the second screw, so that the second bearing sleeve drives the movement of the movable limiting seat, and the size of the limiting area is adjusted according to the size of the propeller to complete the preliminary fixation of the propeller, and finally rotates the third handle to feed the axial direction relative to the support plate through the third screw, and supports the movable limiting seat to achieve the final fixation of the propeller, with good overall stability and improved accuracy during propeller processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 This is a structural schematic diagram of the support plate of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the slider of the utility model;

[0016] Figure 4 It is a cross-sectional view of the power unit of the utility model.

[0017] In the figure: 1. base; 2. workbench; 3. positioning limit seat; 4. movable limit seat; 5. first screw; 6. bump; 7. first handle; 8. strip groove; 9. second screw; 10. connecting plate; 11. slider; 12. second handle; 13. support plate; 14. third screw; 15. third handle. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] In order to improve the stability of propeller processing, refer to Figure 1 , Figure 2 and Figure 3 As shown, it includes a base 1, a workbench 2, a moving component and a clamping component. The workbench 2 moves longitudinally on the base 1 through the moving component. The clamping component includes a positioning limit seat 3 and a movable limit seat 4 arranged on the workbench 2. A limiting area for fixing the propeller is formed between the positioning limit seat 3 and the movable limit seat 4. The movable limit seat 4 adjusts the distance between the positioning limit seat 3 and the movable limit seat 4 through a power unit to adjust the size of the limiting area. The propeller to be processed is placed in the limiting area formed between the movable limit seat 4 and the fixed limit seat, and the first handle 7 is turned to drive the first screw 5 is rotated, and the convex block 6 slides in the first slide groove, so that the rotational motion is converted into linear motion, so that the first bearing sleeve drives the workbench 2 to move on the base 1, and the propeller is moved to the working direction of the staff. Then the second handle 12 is rotated to drive the rotation of the second screw 9, so that the second bearing sleeve drives the movement of the movable limit seat 4, and the size of the limit area is adjusted according to the size of the propeller to complete the preliminary fixation of the propeller. Finally, the third handle 15 is rotated, and the third screw 14 is axially fed relative to the support plate 13, and the movable limit seat 4 is supported to achieve the final fixation of the propeller.

[0020] In order to improve the stability of the stiffener 1 after assembly, refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the moving assembly includes a groove centrally opened on the surface of the base 1, a first screw 5 is arranged in the groove, and protrusions 6 extend upward at the notches on both sides of the groove. A first slide groove adapted to the protrusion 6 is opened in the workbench 2, and the protrusion 6 slides in the first slide groove, which can drive the workbench 2 to follow the slide and move the propeller to the working direction of the staff. A first rotating rod is arranged on the outside of the base 1, and the first rotating rod extends into the groove and is connected to the first screw 5, and a first handle 7 is connected to the end of the rotating rod away from the first screw 5. A first bearing sleeve is sleeved on the outside of the screw, and the top of the first bearing sleeve is connected to the lower surface of the workbench 2. As the first screw 5 rotates, the first bearing sleeve is driven to rotate, and the first bearing sleeve is limited by sliding the protrusion 6 in the first slide groove, so that the rotational motion can be converted into linear motion, so that the workbench 2 moves axially relative to the base 1.

[0021] Furthermore, a strip groove 8 is provided in the workbench 2, and the power unit includes a second screw 9 provided in the strip groove 8, a second bearing sleeve is provided on the outer side of the second screw 9, and the second bearing sleeve is connected to the movable limit seat 4 through a connecting plate 10, and second slide grooves are provided along the inner walls on both sides of the strip groove 8 extending upward, respectively, and a slider 11 adapted to the second limit seat is provided at the bottom of the movable limit seat 4, and the second screw 9 is driven to rotate by rotating the second handle 12, so that the second bearing sleeve rotates, and the slider 11 slides in the second slide groove to limit the rotation of the second bearing sleeve, so that the movable limit seat 4 can be driven to move axially in the strip groove 8, close to or away from the positioning limit seat 3, and the size of the limit area can be changed according to the size of the propeller. A second rotating rod is provided on the outer side of the workbench 2, and the second rotating rod extends into the strip groove 8 and is connected to the second screw 9, and the second screw 9 is connected to the second handle 12 at one end away from the second screw 9. The clamping assembly also includes a support plate 13 disposed on the workbench 2, a third screw 14 is inserted into the support plate 13 and is axially fed relative to the support plate 13, one end of the third screw 14 is connected to the movable limit block through a bearing seat, and a third handle 15 is provided at the other end of the third screw 14. A threaded hole adapted to the third screw 14 is provided in the support plate 13. When the propeller is initially fixed, the third handle 15 is rotated and the threaded hole is matched, so that the third screw 14 is axially fed relative to the support plate 13 to fix the movable limit seat 4, thereby further improving stability. Figure 1 In the embodiment, the opposite surfaces of the positioning limit seat 3 and the movable limit seat 4 are provided with arc grooves matched with the arc line of the propeller blade edge, and the arc angle of the arc groove can be opened according to the matching propeller.

[0022] When in use, first place the propeller to be processed in the limiting area formed between the movable limiting seat 4 and the fixed limiting seat, turn the first handle 7 to drive the rotation of the first screw 5, and convert the rotational motion into linear motion through the projection 6 sliding in the first slide groove, so that the first bearing sleeve drives the workbench 2 to move on the base 1, and moves the propeller to the working direction of the staff, and then turn the second handle 12 to drive the rotation of the second screw 9, so that the second bearing sleeve drives the movement of the movable limiting seat 4, and adjusts the size of the limiting area according to the size of the propeller to complete the preliminary fixation of the propeller, and finally turns the third handle 15, and feeds the axial direction relative to the support plate 13 through the third screw 14, and supports the movable limiting seat 4 to achieve the final fixation of the propeller.

[0023] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention.

Claims

1. A propeller processing tool with a limiting mechanism, characterized in that: The invention comprises a base (1), a workbench (2), a moving assembly and a clamping assembly, wherein the workbench (2) is longitudinally moved on the base (1) by means of the moving assembly, and the clamping assembly comprises a positioning limit seat (3) and a moving limit seat (4) arranged on the workbench (2), wherein a limiting area for fixing a propeller is formed between the positioning limit seat (3) and the moving limit seat (4), and the moving limit seat (4) is used to adjust the distance between the moving limit seat (4) and the positioning limit seat (3) by means of a power unit, thereby adjusting the size of the limiting area.

2. The propeller processing tool with a limiting mechanism according to claim 1, characterized in that: The moving assembly comprises a groove centrally opened on the surface of the base (1), a first screw (5) is arranged in the groove, bumps (6) extend upwards from notches on both sides of the groove, and a first sliding groove matched with the bumps (6) is opened in the workbench (2).

3. The propeller processing tool with a limiting mechanism according to claim 2, characterized in that: A first rotating rod is arranged on the outside of the base (1), the first rotating rod extends into the groove and is connected to the first screw rod (5), and a first handle (7) is connected to one end of the rotating rod away from the first screw rod (5), a first bearing sleeve is sleeved on the outside of the screw rod, and the top of the first bearing sleeve is connected to the lower surface of the workbench (2).

4. The propeller processing tool with a limiting mechanism according to claim 1, characterized in that: The workbench (2) is provided with a strip groove (8), the power unit comprises a second screw rod (9) arranged in the strip groove (8), a second bearing sleeve is sleeved on the outer side of the second screw rod (9), and the second bearing sleeve is connected to the movable limit seat (4) via a connecting plate (10).

5. The propeller processing tool with a limiting mechanism according to claim 4, characterized in that: Second sliding grooves are respectively provided at the locations extending upwards along the inner walls on both sides of the strip-shaped groove (8), and a sliding block (11) adapted to the second limiting seat is provided at the bottom of the movable limiting seat (4).

6. The propeller processing tool with a limiting mechanism according to claim 5, characterized in that: A second rotating rod is arranged outside the workbench (2), the second rotating rod extends into the strip groove (8) and is connected to the second screw rod (9), and a second handle (12) is connected to one end of the second screw rod (9) away from the second screw rod (9).

7. The propeller processing tool with a limiting mechanism according to claim 1, characterized in that: The clamping assembly further comprises a support plate (13) arranged on the workbench (2), a third screw rod (14) being inserted into the support plate (13) and being axially fed relative to the support plate (13), one end of the third screw rod (14) being connected to the movable limit block via a bearing seat, and a third handle (15) being arranged at the other end of the third screw rod (14).

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