CN104242572B - The manufacture craft of inner magnet rotor of magnetic drive pump - Google Patents

Abstract

The invention discloses a manufacturing process of an inner magnetic rotor of a magnetic force pump. The steps are as follows: a. Manufacturing a welding tool for the inner magnetic rotor of a magnetic force pump; , and then spot weld the sheath baffle plate, sheath and rotor seat to form the inner magnetic rotor blank of the magnetic pump; c, pick up the inner magnetic rotor blank of the magnetic pump and place it on the welding tooling of the inner magnetic rotor of the magnetic pump; d, Weld the sheath baffle with the rotor seat, weld the left and right ends of the sheath to the rotor seat and the sheath baffle respectively to make a semi-finished part of the inner magnetic rotor of the magnetic pump; e. Machine the semi-finished part of the magnetic rotor inside the magnetic pump After processing and passing the inspection, the finished magnetic rotor in the magnetic pump is obtained. The manufacturing process of the magnetic rotor in the magnetic pump of the present invention adopts such a method that spatter does not occur during welding, which can ensure welding quality, eliminate product scrapping caused by internal stress, improve product qualification rate, and reduce manufacturing cost.

Description

Manufacturing process of magnetic rotor in magnetic pump

technical field

The invention relates to a pump, in particular to a manufacturing process of a magnetic rotor in a magnetic pump.

Background technique

The magnetic pump is composed of a pump, a magnetic driver and a motor. The magnetic driver includes an inner magnetic rotor, an outer magnetic rotor and an isolation sleeve. When the motor drives the outer magnetic rotor to rotate, the magnetic field can penetrate the air gap and non-magnetic materials, and drive the impeller to rotate. The connected internal magnetic rotors rotate synchronously to realize the non-contact transmission of power, thereby pumping liquid. As shown in Figure 3, the magnetic rotor in the magnetic pump includes a rotor seat 15, a magnetic flux coil 20, a plurality of magnetic blocks 17, spacers 18, a wrapping 16 and a wrapping baffle 19, the rotor seat 15 has a shaft hole, and the rotor seat The middle part of 15 has a magnetic flux circle 20, and a plurality of magnetic blocks 17 are arranged on the outer surface of the magnetic flux circle 20. The N poles and S poles of two adjacent magnetic blocks 17 are opposite, and the wrapping baffle plate 19 is welded to the rotor seat 15. The left and right ends of the sheath 16 are respectively welded to the rotor base 15 and the sheath baffle 19 . The manufacturing process of the magnetic rotor in the existing magnetic pump, the steps are as follows: a, the magnetic flux coil 20, a plurality of magnetic blocks 17, and spacer blocks 18 are installed on the rotor seat 15, and the N poles and S poles of the adjacent two magnetic blocks 17 are The poles are opposite; b. Weld the wrapping baffle 19 with the rotor seat 15; c. Weld the left and right ends of the wrapping 16 with the rotor seat 15 and the wrapping baffle 19 respectively to make a magnetic rotor semi-finished part in the magnetic pump ; d. Machining the semi-finished inner magnetic rotor of the magnetic pump, and obtaining the finished inner magnetic rotor of the magnetic pump after passing the inspection. Due to the existence of the magnetic block, spatter will be generated during welding, which will affect the welding quality. In addition, due to the internal stress factor, defects will be formed after cooling, which cannot be remedied, the scrap rate is high, and the production cost is high.

Contents of the invention

The technical problem to be solved by the present invention is to provide a manufacturing process of the inner magnetic rotor of the magnetic pump, which can ensure the welding quality, improve the qualified rate of products, and reduce the manufacturing cost.

To solve this technical problem, the technical solution of the present invention is: a manufacturing process of a magnetic rotor in a magnetic pump, the steps of which are as follows:

a. Welding tooling for making the inner magnetic rotor of the magnetic pump, which includes a bracket, a magnetic circuit closing part and an inner magnetic rotor lifting mechanism supporting the inner magnetic rotor, the magnetic circuit closing part is located above the support, and the magnetic circuit is closed The inner part includes a metal outer ring and an inlaid magnetic block having the same number as the magnetic blocks of the inner magnetic rotor. The inlaid magnetic blocks are arranged on the inner surface of the metal outer ring, and the N poles and S poles of two adjacent inlaid magnetic blocks are opposite;

b. Install the magnetic flux circle, multiple magnetic blocks, and pads on the rotor seat, and the N poles and S poles of the two adjacent magnetic blocks are opposite, and then spot weld the wrapping baffle, wrapping and rotor seat to form Magnetic rotor blanks in magnetic pumps;

c. Pick up the inner magnetic rotor blank of the magnetic pump and place it on the welding tooling of the inner magnetic rotor of the magnetic pump. The magnetic block of the inner magnetic rotor blank of each magnetic pump and the inlaid magnetic block of the magnetic circuit closing part are opposite to the N pole and S pole. correspond;

d. Weld the cover baffle with the rotor seat, and weld the left and right ends of the cover with the rotor seat and the cover baffle respectively to make a semi-finished magnetic rotor in the magnetic pump;

e. Machining the semi-finished magnetic rotor of the magnetic pump, and obtaining the finished magnetic rotor of the magnetic pump after passing the inspection.

A pressing plate is arranged above the inlaid magnetic block of the welding tool of the inner magnetic rotor of the magnetic pump, and the pressing plate is fixedly connected with the metal outer ring.

The lower part of the bracket of the welding tool for the inner magnetic rotor of the magnetic pump is a base, the upper part of the bracket is a top plate, and the lower part of the magnetic circuit closing part is detachably connected with the top plate. The inner magnetic rotor lifting mechanism includes a movable plate, a shaft head , a cylinder and a cylinder seat, the cylinder seat is fixed on the base, the cylinder is placed on the cylinder seat, the movable plate is connected to the top of the piston rod of the cylinder, and the shaft head is located above the movable plate, The shaft head is integrated with the movable plate and adapted to the inner magnetic rotor.

The manufacturing process of the magnetic rotor in the magnetic pump of the present invention adopts such a method to keep the magnetic rotor blank in the magnetic pump closed with the magnetic circuit of the magnetic circuit closing part, and there will be no spatter during welding, which can ensure the welding quality and eliminate The scrapping of products caused by internal stress improves the qualified rate of products and reduces the production cost.

Description of drawings

The manufacturing process of the magnetic rotor in the magnetic pump of the present invention will be described in further detail below in conjunction with the accompanying drawings;

Fig. 1 is a structural schematic diagram of a welding tool for a magnetic rotor in a magnetic pump;

Figure 2 is a schematic diagram of magnetic circuit closure when the magnetic rotor in the magnetic pump is welded;

Fig. 3 is a structural schematic diagram of the magnetic rotor in the magnetic pump;

In Fig. 1, Fig. 2 and Fig. 3, 1. Metal outer ring; 2. Press plate; 3. Inlaid magnetic block; 4. Cylinder piston rod; 5. Shaft head; 6. Movable plate; 7. Top plate; 8. Bracket ; 10, cylinder; 11, cylinder seat; 12, base; 13, air gap; 14, inner magnetic rotor; plate; 20, magnetic flux circle.

Detailed ways

The manufacturing process of the magnetic rotor in the magnetic force pump of the present invention, the steps are as follows: a, the welding tooling of the magnetic rotor in the magnetic force pump is made, as shown in Figure 1 and Figure 2, the welding tooling of the magnetic rotor in the magnetic force pump comprises a support 8, and the magnetic circuit is closed part and the internal magnetic rotor lifting mechanism, the magnetic circuit closing part is located above the bracket 8, the lower part of the bracket 8 is the base 12, the upper part of the bracket 8 is the top plate 7, and the magnetic circuit closing part includes a metal outer ring 1, a pressing plate 2, and an inner magnetic The rotor 14 has inlaid magnets 3 with the same number of magnets. The inlaid magnets 3 are arranged on the inner surface of the metal outer ring 1. The N poles and S poles of two adjacent inlaid magnets are opposite. The pressure plate 2 is located above the metal outer ring 1. The magnets The lower part of the road closing part is detachably connected with the top plate 7. The inner magnetic rotor lifting mechanism includes a movable plate 6, a shaft head 5, a cylinder 10 and a cylinder seat 11. The cylinder seat 11 is fixed on the base 12, and the cylinder 10 is placed on the cylinder seat 11. On the top, the movable plate 6 is connected with the top of the cylinder piston rod 4, the shaft head 5 is located above the movable plate 6, the shaft head 5 is connected with the movable plate 6 and is compatible with the inner magnetic rotor 14;

b. Install the magnetic flux circle, multiple magnetic blocks, and pads on the rotor seat, and the N poles and S poles of the two adjacent magnetic blocks are opposite, and then spot weld the wrapping baffle, wrapping and rotor seat to form Magnetic rotor blanks in magnetic pumps;

c. Pick up the inner magnetic rotor blank of the magnetic force pump and place it on the welding tool of the inner magnetic rotor of the magnetic force pump. , the magnetic block of the inner magnetic rotor blank of each magnetic pump and the inlaid magnetic block 3 of the magnetic circuit closing part should be oppositely corresponding to the N pole and the S pole, so as to keep the magnetic circuit of the inner magnetic rotor and the magnetic circuit closing part closed, and the magnetic pump There is an air gap 13 between the inner magnetic rotor blank and the inlaid magnetic block 3 in the magnetic circuit closing part;

d. Weld the cover baffle with the rotor seat, and weld the left and right ends of the cover with the rotor seat and the cover baffle respectively to make a semi-finished magnetic rotor in the magnetic pump;

e. Machining the semi-finished magnetic rotor of the magnetic pump, and obtaining the finished magnetic rotor of the magnetic pump after passing the inspection.

The manufacturing process of the magnetic rotor in the magnetic pump of the present invention adopts such a method to keep the magnetic rotor blank in the magnetic pump closed with the magnetic circuit of the magnetic circuit closing part, and there will be no spatter during welding, which can ensure the welding quality and eliminate The scrapping of products caused by internal stress improves the qualified rate of products and reduces the production cost.

Claims (3)

1. A kind of 1. manufacture craft of inner magnet rotor of magnetic drive pump, it is characterised in that：Its step is as follows：

   A, make inner magnet rotor of magnetic drive pump welding tooling, it include stent, magnetic circuit closure and support in magnet rotor interior magnetic Rotor elevating mechanism, the magnetic circuit closed location in the top of stent, the magnetic circuit closure include metal outer ring, with it is interior Magnet rotor magnetic patch quantity it is identical inlay magnetic patch, described inlays magnetic patch arranged in metal inner surface, adjacent two edge Embedding magnetic patch N poles and S are extremely opposite；

   B, magnetic flux circle, multiple magnetic patch, cushion block are attached on rotator seat, the N poles and S poles of adjacent two magnetic patch are on the contrary, again keep off jacket Plate, jacket and rotator seat difference spot welding connection, form inner magnet rotor of magnetic drive pump blank；

   C, inner magnet rotor of magnetic drive pump blank is picked up and be placed on the welding tooling of inner magnet rotor of magnetic drive pump, magnetic turns in each magnetic drive pump The magnetic patch of inlaying of sub- blank magnetic patch and magnetic circuit closure accomplishes N poles and S poles phase inverse correspondence；

   D, jacket baffle and rotator seat are welded, the left and right ends of jacket is welded with rotator seat and jacket baffle respectively, are made Into inner magnet rotor of magnetic drive pump semi-finished articles；

   E, inner magnet rotor of magnetic drive pump semi-finished articles are machined, after the assay was approved, obtain inner magnet rotor of magnetic drive pump finished product Part.
2. 2. the manufacture craft of inner magnet rotor of magnetic drive pump according to claim 1, it is characterised in that：Magnetic in the magnetic drive pump Inlaying for the welding tooling of rotor is provided with pressing plate above magnetic patch, the pressing plate and metal outer ring are affixed.
3. 3. the manufacture craft of inner magnet rotor of magnetic drive pump according to claim 1 or 2, it is characterised in that：The magnetic drive pump The lower part of the stent of the welding tooling of interior magnet rotor is base, and the top of stent is top plate, the lower part of magnetic circuit closure and top plate It is detachably connected, the interior magnet rotor elevating mechanism includes movable plate, spindle nose, cylinder and cylinder block, and the cylinder block is consolidated It is connected on base, the cylinder is placed on cylinder block, and the movable plate is connected with the top of cylinder piston rod, the axis Above movable plate, the spindle nose is connected and is adapted with interior magnet rotor head with movable plate.