阅读说明：本技术 一种空气悬浮轴承高速变频电机叶轮生产工艺 (Production process of high-speed variable frequency motor impeller of air suspension bearing ) 是由 张长森 曹枫 于 2019-12-07 设计创作，主要内容包括：本发明涉及一种空气悬浮轴承高速变频电机叶轮生产工艺,其包括步骤一,风机底座安装,首先人工将风机底座放置在滑行架上,然后三爪机械手将风机底座中心夹持住,并旋转90°,然后伸长伸缩管,将风机底座送入上料工位区域内的分套轴上；步骤二,风机底座定位；步骤三,第一片叶片焊接工作,当分轴由上料工位转动至焊接工位时,叶片通过限位框定位在风机底座上,然后焊接手进行第一片叶片的焊接工作,焊接完成后,平推件复位；步骤三,第一片叶片焊接工作；步骤五,焊缝打磨工作；步骤六,风机叶片输出；本发明解决了风机叶片完成组装后,无法实现自动输出,进而导致风机叶片无法连续性生产,降低生产产量的技术问题。(The invention relates to a production process of an air suspension bearing high-speed variable frequency motor impeller, which comprises the following steps of firstly, installing a fan base, manually placing the fan base on a sliding frame, then clamping the center of the fan base by a three-jaw mechanical arm, rotating the fan base by 90 degrees, extending a telescopic pipe, and sending the fan base to a sleeve separating shaft in a feeding station area; secondly, positioning a fan base; step three, welding a first blade, positioning the first blade on a fan base through a limiting frame when a sub-shaft rotates from a feeding station to a welding station, then welding the first blade by a welding hand, and resetting a horizontal pushing piece after welding is finished; step three, welding the first blade; fifthly, polishing the welding line; sixthly, outputting a fan blade; the invention solves the technical problems that after the fan blade is assembled, automatic output cannot be realized, so that the fan blade cannot be continuously produced, and the production yield is reduced.)

1. The production process of the high-speed variable frequency motor impeller of the air suspension bearing is characterized by comprising the following steps of:

firstly, the fan base is manually placed on a skid (153), then a three-jaw manipulator (151) clamps the center of the fan base (20), rotates 90 degrees, then extends a telescopic pipe (152), and sends the fan base (20) to a sleeve shaft (1311) in the area of a feeding station (100);

secondly, positioning the fan base, starting a motor (125) to intermittently rotate, rotating a sub-shaft (121) from a feeding station (100) to a welding station (400), rotating a gear a (1422) under the action of an arc-shaped rack a1321, synchronously driving a screw rod (1324) to rotate on the sub-shaft (121) by the gear a (1422), driving a pressing rod (1316) to move towards the inner side of a sub-sleeve shaft (1311) by a nut (1323), and ejecting a sliding block (1314) outwards to prop up the fan base (20);

step three, welding the first blade, when the split shaft (121) rotates from the feeding station (100) to the welding station (400), positioning the blade (10) on the fan base (20) through the limiting frame (51), then welding the first blade (10) by a welding hand, and resetting the horizontal pushing piece (52) after welding is finished;

fourthly, welding the rest blades, starting a motor (125) to rotate for the second time, rotating a gear b (142) under the action of an arc-shaped rack b (141), synchronously rotating a fan base, rotating a station to be welded on the fan base to the welding station, positioning the blades (10) on the fan base (20) through a limiting frame (51), completing the welding of the second blade (10) by a welding hand, resetting a horizontal pushing piece (52) after the welding is completed, and repeating the steps until the welding of all the blades (10) is completed;

fifthly, welding seam polishing work is carried out, the finished fan blade after welding work rotates to a polishing station (300) along with the split shaft (121), the connecting block (211) drives the connecting block (211) to slide towards the center direction of the fan base (20) under the action of the driving assembly (22), meanwhile, the connecting block (211) drives the control pieces (212) connected on two sides to synchronously move, in the moving process, the spring b (213) is compressed, the roller (216) abuts against the blade (10) and rolls on the side face of the blade (10), and meanwhile, the grinding cutter (215) polishes the welding seam;

and sixthly, outputting the fan blades, wherein the finished fan blades after polishing rotate to an output station (200) along with the split shaft (121), in the rotating process, the gear a (1422) is rotated in the direction under the action of the arc-shaped rack c (31) to complete the material loosening work on the finished fan blades, the split shaft (121) continues to revolve under the action of the motor, and the finished fan blades are guided by the discharge rail (32) to complete the automatic output work.

2. The production process of the air suspension bearing high-speed variable frequency motor impeller according to claim 1, wherein in the second step, a transmission is arranged at the output end of the motor (125).

3. The process for producing the air suspension bearing high-speed variable frequency motor impeller according to the claim 1, wherein in the second step, the down time of the motor (125) is equal to the time of each angle rotation of the sub-shaft (121).

4. The production process of the air suspension bearing high-speed variable frequency motor impeller according to claim 3, wherein in the second step, the down time of the motor (125) is 3-5 min.

5. The production process of the air suspension bearing high-speed variable frequency motor impeller according to claim 4, wherein in the second step, the time of one rotation of the sub-shaft (121) is 3-5 min.

6. The production process of the air suspension bearing high-speed variable frequency motor impeller according to claim 1, wherein in the fifth step, m blades on the fan blade are provided, n sub-shafts (121) are provided, and n is m + 4.

7. The production process of the air suspension bearing high-speed variable frequency motor impeller according to claim 6, wherein in the fifth step, the number of the blades on the fan blade is 8, 12 sub-shafts (121) are provided, and n is m + 4.

8. The process for producing the impeller of the air suspension bearing high-speed variable frequency motor according to claim 7, wherein in the second step, the angle of each rotation of the motor (125) is a, and a is 360 °/m.

9. The process for producing the air suspension bearing high-speed variable frequency motor impeller according to claim 8, wherein in the second step, the angle of each rotation of the motor (125) is 45 °.

Technical Field

The invention relates to the technical field of variable frequency motor impellers, in particular to a production process of an air suspension bearing high-speed variable frequency motor impeller.

Background

A wind driven generator blade, called a fan blade for short, is a key component of a wind driven generator set. The number of the fan blades of one wind generating set is generally three, and when the wind generating set rotates in the air, the weight of each blade is required to be equal to the moment relative to the gravity center of the hub, so that the balance of the blades during rotation can be ensured. However, under the existing fan blade production process conditions, due to various factors, such as the weight and the dimensional deviation of the blade core material, and other factors in the specific implementation process, the production process of the blade is restricted, and the weight of the fan blade and the moment relative to the center of gravity of the hub cannot be balanced in the initial stage.

Patent document No. CN2017103205971 discloses a fan blade and a method for assembling the same, the fan blade includes a blade body and a blade root baffle plate disposed in an inner cavity of the blade body, wherein an elastic member is disposed between an outer peripheral wall of the blade root baffle plate and an inner wall of the blade body, and the fan blade can effectively prevent the problem of cracking caused by shear stress borne by the blade root baffle plate due to deformation of the blade.

However, in the actual use process, the inventor finds that automatic output cannot be realized after the fan blade is assembled, so that the fan blade cannot be continuously produced, and the production yield is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the fan base is automatically screwed and positioned by setting the fan base positioning work, the first blade welding work and the residual blade welding work are sequentially utilized to weld and load the fan base, and finished fan blades are unscrewed and automatically output by the fan blade output work, so that the technical problems that the automatic output cannot be realized after the fan blades are assembled, the fan blades cannot be continuously produced and the production yield is reduced are solved.

Aiming at the technical problems, the technical scheme is as follows: a production process of an air suspension bearing high-speed variable frequency motor impeller comprises the following steps:

firstly, manually placing a fan base on a sliding frame, then clamping the center of the fan base by a three-jaw manipulator, rotating the fan base by 90 degrees, then extending a telescopic pipe, and sending the fan base onto a sleeve separating shaft in a feeding station area;

secondly, positioning the fan base, starting a motor to rotate intermittently, rotating a sub-shaft from a feeding station to a welding station, rotating a gear a under the action of an arc-shaped rack a, synchronously driving a screw rod to rotate on the sub-shaft by the gear a, driving a pressing rod to move towards the inside of the sub-sleeve shaft by a nut, ejecting a sliding block outwards, and tightly supporting the fan base;

step three, welding a first blade, positioning the first blade on a fan base through a limiting frame when a sub-shaft rotates from a feeding station to a welding station, then welding the first blade by a welding hand, and resetting a horizontal pushing piece after welding is finished;

fourthly, welding the rest blades, starting a motor to rotate for the second time, rotating a gear b under the action of an arc-shaped rack b, synchronously rotating a fan base, rotating a station to be welded on the fan base to a welding station, positioning the blades on the fan base through a limiting frame, completing the welding work of a second blade by a welding hand, resetting a horizontal pushing piece after the welding is completed, and repeating the steps until the welding work of all the blades is completed;

fifthly, polishing a welding seam, namely rotating a finished fan blade after welding to a polishing station along with split shaft, driving a connecting block to slide towards the center of a fan base under the action of a driving assembly, driving control pieces connected at two sides to synchronously move by the connecting block, compressing a spring b in the moving process, enabling a roller to roll on the side face of the blade against the blade simultaneously, and polishing the welding seam by grinding the cutter;

and sixthly, outputting the fan blade, wherein the finished fan blade after polishing rotates to an output station along with the split shaft, in the rotating process, the gear a is rotated in the direction under the action of the arc-shaped rack c to complete the material loosening work on the finished fan blade, the split shaft continues to revolve under the action of the motor, and the finished fan blade is guided by the discharge rail to complete the automatic output work.

Preferably, in the second step, a transmission is provided at an output end of the motor.

Preferably, in the second step, the dead time of the motor is equal to the time of every rotation of the split shaft by an angle.

Preferably, in the second step, the down time of the motor is 3-5 min.

Preferably, in the second step, the time of rotating the sub-shaft once is 3-5 min.

Preferably, in the fifth step, m blades on the fan blade are provided, n blades are provided in each split shaft, and n is m +4

Preferably, in the fifth step, the number of the blades on the fan blade is 8, 12 blades are provided in each split shaft, and n is equal to m + 4.

Preferably, in the second step, the motor rotates by an angle a, where a is 360 °/m.

Preferably, in the second step, the angle of rotation of the motor is 45 ° at each time.

The invention provides a production device of an air suspension bearing high-speed variable frequency motor impeller, which is matched with a production process of the air suspension bearing high-speed variable frequency motor impeller, and comprises the following components:

the assembling device comprises a supporting table, a feeding assembly arranged on the supporting table, a screwing assembly arranged on the feeding assembly, a switching assembly used for driving the feeding assembly to complete uniform feeding work of a plurality of groups of blades, and a feeding seat assembly used for automatically feeding the blades onto the feeding assembly;

the polishing device comprises a plurality of groups of unhairing assemblies which are uniformly arranged, wherein each group of unhairing assembly is arranged between two adjacent blades after welding is finished in a sliding mode, and a driving assembly for driving the unhairing assemblies to synchronously move; and

an output device disposed between the assembly device and the polishing device;

after the assembling device is screwed up and assembled, the fan base completes sequential welding of the blades, and the assembled fan blades are automatically output under the guidance of the output device after being polished and welded by the polishing device.

Preferably, the feeding assembly comprises a working frame which is arranged in the center of the support table and is uniformly distributed with a plurality of component shafts, and a rotating part which is arranged below the working frame;

the rotating part comprises a mounting column and a motor which is arranged in the mounting column and the output end of the motor is vertically upward, and the working frame is fixedly connected with the output end of the motor and is rotationally arranged on the mounting column through a rotating ring; the motor drives the working frame to intermittently rotate;

any two adjacent split shafts form a feeding station, the two split shafts on one side of the two split shafts form an output station along the reverse direction of the rotation of the working frame, the two split shafts on one side of the output station along the reverse direction of the rotation of the working frame form a polishing station, and the split shafts between the feeding station and the polishing station form a welding station.

Preferably, the tightening assembly comprises a pressure divider, a transmission member for driving the pressure divider to fix the fan base on the split shaft, and a limiting member for limiting the split shaft located at the feeding station from rotating.

Preferably, the transmission member comprises:

the arc-shaped rack a is fixedly arranged on the support table and arranged along the rotating direction of the working frame, and the arc-shaped rack a is positioned at the feeding station;

the screw rod is rotatably arranged on the sub-shaft and is coaxial with the sub-shaft;

the gear a is coaxial and fixedly connected with the screw rod, and the gear a is meshed with the arc-shaped rack a; and

the nut is arranged on the bottom plate below the split shaft in a sliding mode through the supporting rod and is in threaded connection with the screw rod.

Preferably, the pressure dividing member includes:

one end of the sleeve separating shaft is fixedly sleeved at the end part of the screw rod, and the end of the sleeve separating shaft facing the working frame is of a hollow structure;

the extruding units are horizontally and symmetrically arranged in the hollow part of the sleeve separating shaft and comprise sliding grooves which are formed in the sleeve separating shaft and are perpendicular to the screw rod, sliding blocks which are arranged in the sliding grooves in a sliding mode, and springs a, one ends of the springs are fixedly connected with the sliding blocks, the other ends of the springs are fixedly connected with the sliding grooves, and chamfers are arranged at one ends of the sliding blocks; and

the pressing rod is provided with two groups and corresponds to the sliding block, the pressing rod is fixedly connected with the nut, and the end part of the pressing rod is provided with a chamfer and is matched with the sliding block.

Preferably, the stopper includes:

the arc-shaped groove a is fixedly arranged on the support table and arranged along the rotating direction of the working frame, and the arc-shaped groove a is vertically and upwards arranged; and

and the clamping block is fixedly arranged on the split shaft and is matched with the arc-shaped groove a.

Preferably, the switching component includes:

the arc-shaped rack b is fixedly arranged on the support table and arranged along the rotating direction of the working frame, and the arc-shaped rack b and the arc-shaped rack a are arranged in a staggered mode and are positioned at a welding station; and

and the gear b is coaxial and fixedly connected with the split shaft, and is meshed with the arc-shaped rack b.

Preferably, the hair removal assembly comprises:

the connecting block is arranged on the supporting platform in a sliding mode and is positioned in the center position between any two blades; and

the control pieces are arranged on two sides of the connecting block in pairs and respectively corresponding to the welding parts with the blades for polishing, and each control piece comprises a spring b fixedly connected with the connecting block, a connecting column which is fixedly connected with the other end of the spring b and is vertically arranged, a knife sharpener which is coaxial with the connecting column and is rotationally connected with the connecting column, a roller and a linkage rod which is hinged with the connecting block;

the sharpening and the roller are arranged up and down along the height direction of the connecting column and are in contact with the blades.

Preferably, the driving assembly includes:

the air cylinder is arranged on the support platform and is arranged horizontally; and

and the extension rod is fixedly connected with the telescopic end of the cylinder and is hinged with any one of the linkage rods.

Preferably, the output means includes:

the arc-shaped rack c is fixedly arranged on the support table and is arranged in the same rotating direction as the arc-shaped rack a, and the arc-shaped rack c is positioned at the output station and is opposite to the teeth of the arc-shaped rack a;

the arc-shaped groove b is fixedly arranged on the support table and is positioned at the output station, and the arc-shaped groove b is matched with the sliding track of the fixture block; and

the polishing machine comprises a support table, a feeding station, a discharging rail, a fan blade and a polishing device, wherein the feeding station is arranged on the support table, the discharging rail is fixedly arranged on the support table and is positioned between the feeding station and the discharging station, one end of the discharging rail is positioned at one side, facing the working frame, of the fan blade for polishing, and the other end of the discharging rail deviates outwards from the rotating direction of the working frame.

The invention has the beneficial effects that:

(1) according to the invention, the automatic tightening and positioning of the fan base are completed by setting the fan base positioning work, then the welding and assembling work is sequentially performed on the fan base by utilizing the first blade welding work and the residual blade welding work, and the finished fan blades are loosened and automatically output by the fan blade output work, so that the connection of the whole work front and rear processes is tight, the automation degree is high, and the finished production process improves the quality and the assembly efficiency of the fan blades;

(2) according to the invention, the output device is arranged, the arc-shaped rack c and the gear a are matched to rotate, so that the sliding block of the extrusion unit is separated from the fan blade, the fan blade is loosened, and the sliding block gradually separates from the sleeve shaft to be automatically output under the guiding action of the discharging track for collection;

(3) according to the invention, the fan base is manually inserted into the pressure dividing piece by arranging the screwing component, and the pressure dividing piece is matched with the transmission piece in the revolution process by utilizing the split shaft to automatically fix the fan base on the transmission piece, so that the fan base is prevented from displacing during welding, and the welding precision is improved;

(4) according to the invention, the driving assembly is matched with the unhairing assemblies, so that the plurality of groups of unhairing assemblies slide along the length direction of the blades towards the center of the fan base, the rollers abut against the blades and roll on the side surfaces of the blades, the rollers are rotationally arranged to avoid sliding friction from causing abrasion to the blades, the product quality is reduced, and meanwhile, the corresponding blades are guaranteed to be stably sharpened, and the welding seam is polished.

In conclusion, the device has the advantages of simple structure and automatic loading of the fan chassis, and is particularly suitable for the technical field of variable frequency motor impellers.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a production process of an air suspension bearing high-speed variable frequency motor impeller.

Fig. 2 is a schematic plan view of a fan blade assembly manufacturing apparatus having an automatic output function.

Fig. 3 is a schematic view of the state in which the blade is mounted.

Fig. 4 is a schematic view showing a state that a fan base is installed.

Fig. 5 is a schematic diagram of a state that the fan base is installed on the fan base.

Fig. 6 is a schematic diagram of a state that the fan base is installed on the fan base.

Fig. 7 is a schematic structural view of a fan blade assembly production apparatus having an automatic output function.

Fig. 8 is an enlarged partial schematic view at a of fig. 7.

Fig. 9 is a schematic structural diagram of an output device.

Fig. 10 is a schematic top view of an output device.

Fig. 11 is a schematic cross-sectional view of an assembly device.

Fig. 12 is a schematic top view of each work station.

FIG. 13 is a schematic view of the tightening assembly.

Fig. 14 is a partially enlarged schematic view at B of fig. 13.

FIG. 15 is a cross-sectional schematic view of the tightening assembly.

Fig. 16 is an enlarged partial schematic view at C of fig. 15.

Fig. 17 is a schematic view of a tightening operation state of the tightening assembly.

Fig. 18 is a schematic structural view of the polishing apparatus.

Fig. 19 is an enlarged partial schematic view at D of fig. 18.

Fig. 20 is a schematic top view of the grinding apparatus.

Fig. 21 is a schematic structural view of a fan blade.

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.