Auxiliary equipment for propeller manufacturing

Abstract

The utility model discloses auxiliary equipment for manufacturing a propeller. The auxiliary equipment comprises a rack, a propeller hub limiting structure and a propeller blade limiting structure, the rack comprises a supporting framework and a base, the base is arranged on the supporting framework in a mode of being driven to move in the height direction, and the base is further driven to rotate by a set angle in the set direction; the propeller hub limiting structure is arranged on the base, and a propeller hub of the propeller is limited to the base through the propeller hub limiting structure; after the propeller hub is limited on the base, the central axis of the propeller hub is parallel to or coincides with the rotating axis of the base; the blade limiting structure is arranged on the supporting framework, and blades of the propeller are limited to the supporting framework through the blade limiting structure; after the blades are limited on the supporting framework, the blades are arranged in the radial direction of the propeller hub in a set posture; the propeller blade positioning and position adjustment can be better assisted, and the connection precision of the propeller blade on the propeller hub is improved, so that the product quality and the operation stability of the propeller are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to propeller auxiliary tool field, concretely relates to a kind of auxiliary equipment for propeller manufacturing. BACKGROUND

[0002] In prior art, during the processing and manufacturing of propeller, the blade is welded to the hub to form a propeller. Since the blade is at an angle on the hub and the blade has a curved surface structure, it is difficult to fix the blade. In actual operation, since there is no special positioning device, the blade is limited by the jaw for subsequent welding. Manual operation error is large, and it is not easy to find the center line of the hub and the installation area of the blade on the hub. It is difficult to ensure that the blades are connected to the hub at the same angle and evenly distributed on the circumference. The precision of the propeller is low, which affects the product quality and operational stability.

[0003] Therefore, to solve the above problems, an auxiliary equipment for propeller manufacturing is needed, which can better assist in positioning and position adjustment of the blade, improve the connection precision of the blade on the hub, and thus improve the product quality and operational stability of the propeller. SUMMARY

[0004] Therefore, the purpose of the utility model is to overcome the defects in the prior art, provide an auxiliary equipment for propeller manufacturing, which can better assist in positioning and position adjustment of the blade, improve the connection precision of the blade on the hub, and thus improve the product quality and operational stability of the propeller.

[0005] The auxiliary equipment for propeller manufacturing of the utility model comprises a rack, a hub limiting structure and a blade limiting structure.

[0006] The rack comprises a support framework and a base. The base is driven to move in the height direction and is arranged on the support framework. The base is also driven to rotate in a certain direction by a certain angle.

[0007] The hub limiting structure is arranged on the base, and the hub of the propeller is limited on the base by the hub limiting structure. After the hub is limited on the base, the center axis of the hub is parallel or coincides with the rotation axis of the base.

[0008] The blade limiting structure is arranged on the support framework, and the blade of the propeller is limited on the support framework by the blade limiting structure. After the blade is limited on the support framework, the blade is arranged in a certain posture in the radial direction of the hub.

[0009] Further, the blade limiting structure comprises a limiting seat and a blade posture adjusting assembly. The limiting seat is arranged on the support framework.

[0010] The limiting seat has a limiting channel located at the circumference of the base and facing the rotation axis of the base, and the paddle is adjusted to a set posture in the limiting channel by the paddle posture adjusting assembly.

[0011] Further, the posture adjusting assembly comprises adjusting rod I and adjusting rod II, the adjusting rod I has a limiting head I located in the limiting channel, and the adjusting rod II has a limiting head II located in the limiting channel.

[0012] The limiting head I and the limiting head II are oppositely arranged in the limiting channel, and the limiting head I and / or the limiting head II are driven to be close to or away from the preset position.

[0013] The pair of adjusting rod I and adjusting rod II at least comprises three groups for clamping the paddle surface, and the set points of the pair of adjusting rod I and adjusting rod II of the three groups are not collinear.

[0014] Further, the adjusting rod I is a screw rod I penetrating the side wall of the limiting seat, and the adjusting rod II is a screw rod II penetrating the side wall of the limiting seat; the side wall of the limiting seat is provided with a threaded hole corresponding to the threaded cooperation of the screw rod I and the threaded cooperation of the screw rod II.

[0015] Further, the posture adjusting assembly further comprises positioning rod I and positioning rod II,

[0016] The positioning rod I has a contact head I arranged in the limiting channel through the elastic element I, and the positioning rod II has a contact head II arranged in the limiting channel through the elastic element II.

[0017] The contact head I and the contact head II are oppositely arranged in the limiting channel, and the contact head I and the contact head II are resisted by the elastic force of the elastic element I and the elastic force of the elastic element II.

[0018] The contact head I and the adjusting rod I are located on the same side of the limiting channel, and the contact head II and the adjusting rod II are located on the same side of the limiting channel.

[0019] Further, the limiting seat comprises a support plate and a buckle plate, the support plate is arranged on the support framework, the support plate is in the shape of "Fang" character, and the buckle plate is arranged on the support plate to block the opening of the "Fang" character to form the limiting channel by the support plate and the buckle plate, and the buckle plate is adjusted to open or close the opening of the "Fang" character.

[0020] The adjusting rod I and the limiting rod I are correspondingly arranged on the back plate of the "Fang" character, and the adjusting rod II and the limiting rod II are correspondingly arranged on the buckle plate.

[0021] Further, the pair of adjusting rod I and adjusting rod II is several groups, and the pair of adjusting rod I and adjusting rod II of the several groups are arranged in two rows along the extension direction of the limiting channel.

[0022] The positioning rod I and the positioning rod II are arranged in pairs, and a plurality of pairs of the positioning rod I and the positioning rod II are arranged in a single column between two columns of the adjusting rod I and the adjusting rod II.

[0023] Further, the limiting seat is arranged on the support framework through a paddle displacement structure.

[0024] The paddle displacement structure is used for rotating the limiting seat close to or away from the rotating axis of the base and / or displacing the limiting seat in the height direction.

[0025] Further, the bottom of the support framework is provided with a limiting groove in the vertical direction, and the base is guided to displace in the height direction by the limiting groove.

[0026] The paddle hub limiting structure comprises a multi-jaw chuck I arranged on the base, and the jaws of the multi-jaw chuck I are driven to be close to or away from each other.

[0027] Further, the paddle hub limiting structure further comprises a multi-jaw chuck II arranged on the support framework, and the jaws of the multi-jaw chuck II are driven to be close to or away from each other; the multi-jaw chuck II is located on the top of the multi-jaw chuck I and coaxial with the multi-jaw chuck I.

[0028] The auxiliary equipment for propeller manufacturing has the following beneficial effects: the center axis of the paddle hub, the rotating axis of the base, the axes of the multi-jaw chuck I and the multi-jaw chuck II are coincident through the arrangement of the paddle hub limiting structure; the paddle hub is driven to be deflected by a set angle each time the paddle blade is welded, and the self-axis is unchanged, the deviation of the connection position of the paddle blade on the paddle hub is reduced, and the connection precision of the paddle blade on the paddle hub is improved; the paddle blade limiting structure arranged in the radial direction of the paddle hub makes the welding of the paddle blade and the paddle hub more stable, and the setting posture of each paddle blade can be controlled correspondingly, the welding precision of the paddle hub and the paddle blade is greatly improved, and the product quality and the operation stability are improved in combination with the paddle hub driven to be deflected by a set angle. BRIEF DESCRIPTION OF DRAWINGS

[0029] The utility model will be further described in connection with the drawings and embodiments:

[0030] Figure 1 It is the structural schematic diagram of the utility model;

[0031] Figure 2 It is the front view structural schematic diagram of the utility model;

[0032] Figure 3 It is the plan view structural schematic diagram of the utility model;

[0033] Figure 4 It is the side view structural schematic diagram of the utility model;

[0034] Figure 5The utility model discloses Figure 4 A-A direction structural schematic view of the utility model;

[0035] Figure 6 B-B direction structural schematic view of the utility model. Figure 4 B-B direction structural schematic view of the utility model. Specific implementation

[0036] Figure 1 The structural schematic view of the utility model, as shown in the figure, the auxiliary equipment for propeller manufacturing in the embodiment includes a rack, a hub limiting structure and a blade limiting structure;

[0037] The rack includes a support framework 001 and a base 002, the base 002 is driven to displace in the height direction and is arranged on the support framework 001, the bottom of the support framework 001 is provided with a limiting groove in the vertical direction, and the base 002 is guided by the limiting groove and is displaced in the height direction;The base 002 is also driven to rotate to a predetermined direction by a set angle;

[0038] As Figure 1 A plurality of columns and beams are connected to form a portal support framework 001, the bottom of the support framework 001 is provided with a machining table 003, the machining table 003 is arranged in the longitudinal front side, and the longitudinal rear side of the machining table 003 has an operation area, so that the position of the hub and the blade is set, the longitudinal direction corresponds to the length direction of the support framework 001, a through hole penetrating through the machining table 003 is arranged in the center position of the machining table 003 as a limiting groove, and the base 002 is arranged in the limiting groove in a conformation manner, and the base 002 is guided by the limiting groove and is displaced in the height direction;The limiting groove is in a cylindrical shape, and the base 002 is in a disc shape, so that the base 002 can also be driven to rotate in the limiting groove by a set angle.

[0039] The base 002 is displaced in the height direction by any device with the functions of rising and falling in the prior art, and the base 002 is displaced in the height direction by using any lifting platform 004 arranged at the bottom of the base 002 in the prior art, and details are not repeated here;The base 002 is rotated to a predetermined direction by any device with the function of rotating by a set angle in the prior art, and the base 002 is rotated to a predetermined direction by a set angle by using any stepping motor 005 arranged between the base 002 and the lifting platform in the prior art, and details are not repeated here.

[0040] Among them, the fixed end of the lifting platform is arranged at a preset position at the bottom of the base 002, the stepping motor is arranged at the lifting end of the lifting platform, and the power output end of the stepping motor is connected to the base 002, so that the base 002 is displaced in the height direction and rotated to a predetermined direction by a set angle.

[0041] In the embodiment, asFigure 1 and Figure 3 As shown in the figure, the propeller hub limiting structure is arranged on the base 002, and the propeller hub is limited on the base 002 through the propeller hub limiting structure; after the propeller hub is limited on the base 002, the central axis of the propeller hub is parallel to or coincides with the rotation axis of the base 002. The propeller hub limiting structure can be selected from any one of the existing technology, such as a claw, a hoist or a clamp, and the like, which limits the propeller hub, and will not be described here.

[0042] In this scheme, the propeller hub limiting structure includes a multi-claw chuck I 201 arranged on the base 002 and a multi-claw chuck II 202 arranged on the support framework 001, the claws of the multi-claw chuck I 201 are driven to approach or move away, and the claws of the multi-claw chuck II 202 are driven to approach or move away; the multi-claw chuck II 202 is located on the top of the multi-claw chuck I 201 and coaxial with the multi-claw chuck I 201.

[0043] The multi-claw chuck I 201 and the multi-claw chuck II 202 are selected from any one of the existing technology, which can be of the same type or of different types, and can realize the function of limiting the propeller hub, and will not be described here; in this scheme, the multi-claw chuck I 201 and the multi-claw chuck II 202 are selected from the same type of three-claw chuck, and the multi-claw chuck I 201 and the multi-claw chuck II 202 are coaxially arranged in the height direction, and the propeller hub is stably limited in the upper and lower clamping mode of the multi-claw chuck I 201 and the multi-claw chuck II 202 when the propeller hub is arranged on the rack; in this state, the central axis of the propeller hub, the rotation axis of the base 002 and the axes of the multi-claw chuck I 201 and the multi-claw chuck II 202 coincide; so as to realize the deflection of the propeller hub by a set angle when welding each propeller blade, and the self-axis remains unchanged, reduce the deviation of the connection position of the propeller blade on the propeller hub, so that the several propeller blades are evenly distributed on the circumference of the propeller hub, improve the connection precision of the propeller blade on the propeller hub, and improve the product quality and operation stability.

[0044] In this embodiment, the position where the support framework 001 is used to install the multi-claw chuck II 202 is provided with a reinforcing beam 006, and the reinforcing beam 006 is a plurality of reinforcing beams uniformly distributed in the circumferential direction of the multi-claw chuck II 202, so as to facilitate to ensure the stability of the propeller hub arranged on the rack.

[0045] In the embodiment, the blade limiting structure is arranged on the support framework 001, and the blades of the propeller are limited on the support framework 001 by the blade limiting structure. After the blades are limited on the support framework 001, the blades are arranged in a set posture in the radial direction of the hub. The blade limiting structure can be any one of the existing technology for limiting the blades, such as a clamp or a lifting tool, which will not be described here. The blade limiting structure arranged in the radial direction of the hub can make the welding of the blades and the hub more stable, and can correspondingly control the setting posture of each blade, greatly improving the welding precision of the hub and the blades. Combined with the hub driven to be deflected by a set angle, the product quality can be improved.

[0046] In the embodiment, the blade limiting structure includes a limiting seat and a blade posture adjusting assembly. The limiting seat is arranged on the support framework 001. The limiting seat has a limiting channel located in the circumferential direction of the base 002 and facing the rotation axis of the base 002. More specifically, the limiting channel is arranged in the radial direction of the hub and perpendicular to the central axis of the hub. The blades are adjusted to a set posture in the limiting channel by the blade posture adjusting assembly. The blade posture adjusting assembly can be a mechanical hand or a multi-degree-of-freedom moving platform in the existing technology, which will not be described here. By arranging the limiting channel, the blades can be supported and limited on the support framework 001, which is beneficial to adjusting the setting posture of the blades and improving the welding quality of the blades on the hub. It should be understood that the blade limiting structure can be arranged in multiple groups to improve the setting stability of the blades, which will not be described here.

[0047] In the embodiment, as shown in Figure 1 and Figure 2 , the limiting seat includes a support plate 101 and a buckle plate 102. The support plate 101 is arranged on the support framework 001 and has a “” shape. The buckle plate 102 is arranged on the support plate 101 to block the opening of the “” shape, so that the support plate 101 and the buckle plate 102 form a limiting channel. The buckle plate 102 is adjusted to open or close the opening of the “” shape. The “” shape includes a top plate, a bottom plate, and a back plate connecting the top plate and the bottom plate. The bottom end of the buckle plate 102 is hinged to the bottom plate of the “” shape, and the top end of the buckle plate 102 is detachably connected to the top plate of the “” shape by a pin, so that the buckle plate 102 is adjusted to open or close the opening of the “” shape. In use, the blades are arranged in the limiting channel formed by the support plate 101 and the buckle plate 102, and are adjusted to a preset posture by the corresponding posture adjusting assembly, which meets the welding requirement of the blades on the hub in a preset posture.

[0048] In the embodiment, the posture adjusting assembly comprises adjusting rod I 103 and adjusting rod II 104, the adjusting rod I 103 has a limiting head I in the limiting channel, and the adjusting rod II 104 has a limiting head II in the limiting channel; the limiting head I and the limiting head II are oppositely arranged in the limiting channel, and the limiting head I and / or the limiting head II are driven to be close to or away from the preset position; the and / or meaning means that it can be independently used or simultaneously used, which will not be described here; the adjusting rod I 103 and the adjusting rod II 104 are arranged in pairs to form clamping of the paddle, and the setting posture of the paddle can be changed by adjusting the adjusting rod I 103 and the adjusting rod II 104 correspondingly; the pair of adjusting rod I 103 and adjusting rod II 104 at least comprises three groups for clamping the paddle surface, and the setting points of the three pairs of adjusting rod I 103 and adjusting rod II 104 are not collinear. So that the whole surface of the paddle can be adjusted in the corresponding posture, and the welding quality of the paddle on the hub is improved.

[0049] More specifically, as shown in Figure 6 The adjusting rod I 103 is a screw rod I arranged in the limiting seat side wall, and the adjusting rod II 104 is a screw rod II arranged in the limiting seat side wall; the limiting seat side wall is provided with a threaded hole corresponding to the threaded cooperation of the screw rod I and the threaded cooperation of the screw rod II; the end (limiting head I) of the screw rod I in the limiting channel is provided with an elastic stopper I 109, and the end of the screw rod I outside the limiting channel is provided with a screw head I, which is integrally formed with the screw rod I; the end (limiting head II) of the screw rod II in the limiting channel is provided with an elastic stopper II 110, and the end of the screw rod II outside the limiting channel is provided with a screw head II, which is integrally formed with the screw rod II; the screw head I and the screw head II are beneficial to driving the adjusting rod I 103 and the adjusting rod II 104 correspondingly; the elastic stopper I 109 and the elastic stopper II 110 are fixed in the corresponding position by selecting any one of the existing technologies, which can improve the protection of the paddle surface and the friction with the paddle, and is beneficial to the maintenance of the paddle surface form; the elastic stopper I 109 and the elastic stopper II 110 can also be felt or composite materials with elastic force and certain friction, which will not be described here.

[0050] In the embodiment, as shown in Figure 3 The pair of adjusting rod I 103 and adjusting rod II 104 is several groups, and the several pairs of adjusting rod I 103 and adjusting rod II 104 are arranged in two rows along the extension direction of the limiting channel; the two rows of the preset number of pairs of adjusting rod I 103 and adjusting rod II 104 are correspondingly arranged on the longitudinal front side and the longitudinal rear side of the limiting seat, which can ensure the setting reliability of the paddle on the paddle limiting structure, ensure the adjustment accuracy of the posture of the paddle, and adapt to the subsequent welding of the paddle at one time, which has stronger universality.

[0051] In the embodiment, the posture adjusting assembly further comprises a positioning rod I 105 and a positioning rod II 106, the positioning rod I 105 is provided with a contact I arranged in the limiting channel through an elastic element I 107, and the positioning rod II 106 is provided with a contact II arranged in the limiting channel through an elastic element II 108; the elastic element I 107 and the elastic element II 108 are any spring in the prior art, which has a large deformation capacity and can be applied to the scheme of large-angle adjustment of the posture of the paddle, the contact I and the contact II are oppositely arranged in the limiting channel, and the contact I and the contact II are resisted by the elastic force of the elastic element I 107 and the elastic force of the elastic element II 108; the positioning rod I 105 and the positioning rod II 106 are arranged in pairs to form clamping of the paddle, and the predetermined position of the paddle can be formed by the elastic force of the elastic element I 107 and the elastic force of the elastic element II 108; the positioning rod I 105 and the positioning rod II 106 only meet the requirement of pre-positioning of the paddle, and the initial limiting of the paddle is sufficient, when the adjusting rod I 103 and the adjusting rod II 104 are adjusted, the posture of the paddle is adjusted to the preset state by overcoming the elastic force of the elastic element I 107 and the elastic force of the elastic element II 108; the contact I and the adjusting rod I 103 are located on the same side of the limiting channel, and the contact II and the adjusting rod II 104 are located on the same side of the limiting channel; the adjusting rod I 103 and the limiting rod I are correspondingly arranged on the back plate of the "Fang" shape, and the adjusting rod II 104 and the limiting rod II are correspondingly arranged on the buckle plate 102.

[0052] More specifically, as shown in the figure, Figure 5 The end (contact I) of the positioning rod I 105 in the limiting channel is provided with an elastic stop block III 111, and the end of the positioning rod I 105 outside the limiting channel is provided with a screw head III, which is integrally formed with the positioning rod I 105; the end (contact II) of the positioning rod II 106 in the limiting channel is provided with an elastic stop block IV 112, and the end of the positioning rod II 106 outside the limiting channel is provided with a screw head IV, which is integrally formed with the positioning rod I 105; the screw head III and the screw head IV are beneficial to driving the positioning rod I 105 and the positioning rod II 106 correspondingly; the elastic stop block III 111 and the elastic stop block IV 112 correspondingly select any rubber block in the prior art, which can improve the protection of the paddle surface and the friction with the paddle, and is beneficial to the maintenance of the shape of the paddle surface; the elastic stop block III 111 and the elastic stop block IV 112 can also be felt or composite materials with elastic force and certain friction, which will not be described here.

[0053] The circumferential outer wall of the elastic stop block III 111 protrudes from the periphery of the contact I to form a blocking end I, the elastic element I 107 is arranged between the blocking end I and the back plate of the "Fang" shape, and the circumferential outer wall of the elastic stop block IV 112 protrudes from the periphery of the contact II to form a blocking end II, and the elastic element II 108 is arranged between the blocking end II and the buckle plate 102.

[0054] In the embodiment, as shown in Figure 3 The pairs of positioning rods 105 and 106 are arranged in several groups, and the pairs of positioning rods 105 and 106 in the several groups are arranged in a single column between the two columns of adjusting rods 103 and 104. The three columns of structures for limiting the blades are arranged in parallel with each other, so as to ensure the stability of the arrangement of the blades on the blade limiting structure and the accuracy of the adjustment of the posture of the blades, and one adjustment can be adapted to the subsequent welded blades, and the universality is stronger.

[0055] In the embodiment, the limiting seat is arranged on the support framework 001 through the blade displacement structure; the blade displacement structure is used for rotating the limiting seat close to or away from the rotation axis of the base 002 and / or displacing the limiting seat in the height direction. The support framework 001 of the scheme includes a top longitudinal beam 007 on which the blade displacement structure is mounted, the bottom of the top longitudinal beam 007 is provided with a slide rail in the longitudinal direction, the blade displacement structure includes a slide block 301 arranged in the slide rail and a lifting rod 302 connected to the bottom of the slide block, the bottom end of the lifting rod is connected to the top of the limiting seat, more specifically, is connected to the support plate 101 of the limiting seat, so that the limiting seat is displaced in the height direction and in the longitudinal direction through the blade displacement structure, the multi-degree-of-freedom displacement of the blade is realized, and the arrangement position and the arrangement posture of the blade on the hub are facilitated to be adjusted. The slide block and slide rail cooperation structure and the lifting rod structure of the blade displacement structure are selected according to the existing technology, and the selected structure is suitable for realizing the given function, and will not be described here; the blade displacement structure can also be any independent lifting structure or displacement structure in the existing technology, which is arranged in the scheme according to the use function, and will not be described here.

[0056] The use process of the scheme is that the hub is first limited on the hub limiting structure, then the blade is limited on the blade limiting structure, then the position and the posture of the blade are adjusted, finally the hub and the blade are welded to form a whole, then the hub is rotated, the blade is assembled again, the next blade is fixed on the hub, and finally the welding of the propeller is completed, so that the product precision of the scheme is higher, and the operation stability and durability are better.

[0057] Finally, it should be noted 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, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. An auxiliary equipment for propeller manufacturing, characterized in that: It includes a test stand, a hub limiting structure and a blade limiting structure; The test stand includes a support skeleton and a base. The base is arranged on the support skeleton and is driven to shift in the height direction, and the base is also driven to rotate a set angle in a predetermined direction; The hub limiting structure is arranged on the base. The hub of the propeller is limited to the base through the hub limiting structure; after the hub is limited to the base, the central axis of the hub is parallel or coincident with the rotation axis of the base; The blade limiting structure is arranged on the support skeleton. The blades of the propeller are limited to the support skeleton through the blade limiting structure; after the blades are limited to the support skeleton, the blades are arranged in a set posture in the radial direction of the hub.

2. The auxiliary equipment for propeller manufacturing according to claim 1, characterized in that: The blade limiting structure includes a limiting seat and a blade posture adjusting component. The limiting seat is arranged on the support skeleton; The limiting seat has a limiting channel facing the rotation axis of the base in the circumferential direction of the base. The blade is adjusted into a set posture in the limiting channel through the blade posture adjusting component.

3. The auxiliary equipment for propeller manufacturing according to claim 2, characterized in that: The posture adjusting component includes adjusting rod I and adjusting rod II. Adjusting rod I has a limiting head I located in the limiting channel, and adjusting rod II has a limiting head II located in the limiting channel; The limiting head I and the limiting head II are arranged oppositely in the limiting channel, and the limiting head I and / or the limiting head II are driven to be close to or away from and limited at a preset position; At least three pairs of the adjusting rod I and the adjusting rod II are used for clamping the blade surface. The setting points of the three pairs of the adjusting rod I and the adjusting rod II are not collinear.

4. The auxiliary equipment for propeller manufacturing according to claim 3, characterized in that: The adjusting rod I is a screw rod I penetrating through the side wall of the limiting seat, and the adjusting rod II is a screw rod II penetrating through the side wall of the limiting seat; threaded holes corresponding to the threaded engagement with the screw rod I and the threaded engagement with the screw rod II are opened on the side wall of the limiting seat.

5. The auxiliary equipment for propeller manufacturing according to claim 3, characterized in that: The posture adjusting component further includes positioning rod I and positioning rod II, The positioning rod I has a contact head I arranged in the limiting channel through an elastic member I, and the positioning rod II has a contact head II arranged in the limiting channel through an elastic member II; The contact head I and the contact head II are arranged oppositely in the limiting channel, and the contact head I and the contact head II are abutted through the elastic force of the elastic member I and the elastic force of the elastic member II; The contact head I and the adjusting rod I are on the same side of the limiting channel, and the contact head II and the adjusting rod II are on the same side of the limiting channel.

6. The auxiliary equipment for propeller manufacturing according to claim 5, characterized in that: The limiting seat includes a support plate and a buckle plate. The support plate is arranged on the support skeleton. The support plate is in a "C" shape. The buckle plate is arranged on the support plate to block the open end of the "C" shape, so that the support plate and the buckle plate enclose to form a limiting channel, and the buckle plate is adjusted to open or close the open end of the "C" shape; The adjusting rod I and the limiting rod I are correspondingly arranged on the back plate of the "C" shape, and the adjusting rod II and the limiting rod II are correspondingly arranged on the buckle plate.

7. The auxiliary equipment for propeller manufacturing according to claim 6, characterized in that: Several pairs of the adjusting rod I and the adjusting rod II are in several groups. The several pairs of the adjusting rod I and the adjusting rod II are divided into two columns arranged side by side along the extending direction of the limiting channel; Several pairs of the positioning rod I and the positioning rod II are in several groups. The several pairs of the positioning rod I and the positioning rod II are arranged in a single column between the two columns of the paired adjusting rod I and the adjusting rod II.

8. The auxiliary equipment for propeller manufacturing according to claim 2, characterized in that: The limiting seat is arranged on the support skeleton through a blade shifting structure; The blade displacement mechanism is used to move the limiting seat closer to or away from the rotation axis of the base and / or to move the limiting seat along the height direction.

9. The auxiliary equipment for propeller manufacturing according to claim 1, characterized in that: The bottom of the support frame has a vertically oriented limiting groove, and the base is guided by the limiting groove to shift along the height direction; The hub limiting structure includes a multi-jaw chuck I disposed on the base, and the jaws of the multi-jaw chuck I are driven to move closer or further away.

10. The auxiliary equipment for propeller manufacturing according to claim 9, characterized in that: The hub limiting structure also includes a multi-jaw chuck II disposed on the support frame, the jaws of the multi-jaw chuck II being driven to move closer or further away; the multi-jaw chuck II is located on top of the multi-jaw chuck I and is coaxial with the multi-jaw chuck I.

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