CN213547242U - Motor casing and special motor for pulping machine with same - Google Patents

Abstract

The utility model relates to a motor shell and a motor special for a refiner with the same, the motor shell comprises a shell, an upper end cover and a lower end cover which are respectively positioned at the top and the bottom of the shell, the edge of the lower end cover is provided with flanges which are uniformly arranged at intervals around the periphery of the lower end cover, the flange is provided with at least one first mounting hole, the two sides of the flange are symmetrically and obliquely provided with a lacing wire which is in an integral structure with the flange and is connected with the outer wall of the lower end cover, the motor special for the refiner comprises a motor shaft, a centrifugal switch and a rotor which are arranged outside the motor shaft, and the motor shell, the second mounting hole on the upper end cover of the motor and the first mounting hole on the flange of the lower end cover are respectively and directly connected with a sizing barrel and a refiner corner of the refiner respectively, a stand column can be saved, the lacing wires which are symmetrically and obliquely arranged on the two sides, the cost is reduced, and the assembly is rapid, so that the service life and the operation stability of the pulping machine are improved.

Description

Motor casing and special motor for pulping machine with same

Technical Field

The utility model relates to a motor casing and have special motor of fiberizer of this casing belongs to fiberizer motor technical field.

Background

After materials pretreated by cleaning, soaking and the like enter a pulping machine from a hopper, the materials enter between an upper sand table and a lower sand table which move relatively under the action of centrifugal force, the materials are impacted mutually, extruded and sheared, rubbed and torn by the sand tables, so that the materials are ground from inside to outside along the plane of the sand tables and from coarse to fine, the grinding machine is widely applied to material wet grinding processing in industries of food, medicine, sugar manufacturing and the like, a lower grinding wheel of the pulping machine is driven to rotate by a motor arranged at the bottom, after a rotating motor is suspended at the bottom and is connected with an upper pulp cylinder of the pulping machine in a hoisting way, a pulping machine corner and the upper pulp cylinder need to be connected through an upright post, so that the installation is time-consuming and the cost is increased, meanwhile, the shake is easily generated when the motor drives the pulping machine to run, the service life and the running stability of the pulping machine are influenced, and the bonding strength and the mechanical strength of a connecting part and a motor shell, resulting in difficulty in meeting application requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at prior art's defect, provide a motor casing and have special motor of fiberizer of this casing, the lacing wire that the flange both sides of motor casing lower extreme set up through the symmetry slope improves the joint strength with the lower extreme and the load strength who is connected with the fiberizer angle, reduce cost, rapid Assembly to improve the life and the operating stability of fiberizer.

The utility model discloses a realize through following technical scheme:

a motor shell comprises a shell, an upper end cover and a lower end cover, wherein the upper end cover and the lower end cover are respectively positioned at the top and the bottom of the shell, a motor shaft hole is formed in the upper end cover, flanges are uniformly arranged at intervals around the lower end cover at the edge of the lower end cover, the end parts of the flanges are arc-shaped or square, at least one first mounting hole is formed in each flange, lacing wires which are of an integrated structure and connected with the outer wall of the lower end cover are symmetrically and obliquely arranged on two sides of each flange, and the lacing wires on the adjacent sides of the adjacent flanges are positioned on the same straight line;

be equipped with on the upper end cover with coaxial first bulge loop in motor shaft hole and a plurality of second mounting hole, the upper end cover both sides are equipped with the notch that is located first bulge loop department, the upper end cover is square or circular, and a plurality of second mounting holes are the four corners setting, upper end cover four corners department is equipped with the first arch that corresponds with the second mounting hole, the lower end cover bottom is the arc and is equipped with a plurality of wind holes, be equipped with a plurality of tie bolts that pass the flange on the upper end cover, it is protruding to be equipped with the second that corresponds with tie bolt on upper end cover edge or the shell.

A motor special for a pulping machine comprises a motor shaft, a centrifugal switch and a rotor, wherein the centrifugal switch and the rotor are arranged outside the motor shaft;

the motor is characterized in that a second convex ring coaxial with a motor shaft hole is arranged at the bottom of the upper end cover, a bearing seat is arranged in the lower end cover, bearings sleeved outside a motor shaft are arranged in the second convex ring and the bearing seat, and the motor bearing is provided with fan blades which are positioned at the bottom of the rotor and rotate synchronously with the motor shaft.

The utility model has the advantages that:

(1) the two sides of the flange of the lower end cover of the motor shell are symmetrically and obliquely arranged, are in an integrated structure with the flange and are connected with the outer wall of the lower end cover, and the lacing wires on the adjacent sides of the adjacent flanges are on the same straight line, so that the bonding strength of the flange and the lower end cover and the supporting load strength when the flange is connected with the corner of the pulping machine are improved, and the pulping machine is prevented from shaking when being driven by a motor;

(2) a plurality of tie bolts pass the corresponding flange of upper end cover and lower extreme cover respectively, and with screw thread locking, fix upper end cover and lower extreme cover detachable at shell top and bottom, realize motor casing rapid Assembly, first bulge loop and notch and the starching barrel of fiberizer fix a position fast, the second mounting hole on the motor is whole above the end cover, and the first mounting hole on the lower extreme cover flange directly links to each other with the fiberizer starching barrel and machine angle respectively, can save the stand between starching barrel and the machine angle, the cost is reduced, rapid Assembly, thereby to sum up, improve the life and the operating stability of fiberizer, satisfy the fiberizer application demand.

Drawings

Fig. 1 is a perspective view of a motor housing upper end cap of embodiment 1 in a circular shape.

Fig. 2 is a perspective view of the motor housing of embodiment 1 in which the upper end cap is square.

FIG. 3 is a view showing the structure of a lower cap in which the flange end portion of example 1 is square.

Fig. 4 is a coupling structure of the motor and the refiner of embodiment 2.

The labels in the figure are: shell 1, upper end cover 2 and lower end cover 3, motor shaft hole 4, flange 5, first mounting hole 6, lacing wire 7, first bulge loop 8, second mounting hole 9, notch 10, first arch 11, wind hole 12, tie bolt 13, second arch 15, motor shaft 16, centrifugal switch 17 and rotor 18, stator 19, terminal 20 and electric capacity 21, second bulge loop 22, bearing frame 23, bearing 24, fan blade 25, go up thick liquid section of thick bamboo 26, machine foot 27, protecting sheathing 28.

Detailed Description

The following describes the present invention with reference to the accompanying drawings.

Example 1:

a motor shell comprises a shell 1, an upper end cover 2 and a lower end cover 3 which are respectively positioned at the top and the bottom of the shell 1, wherein a motor shaft hole 4 is formed in the upper end cover 2, flanges 5 which are uniformly arranged around the lower end cover 3 at intervals are arranged at the edge of the lower end cover 3, the end parts of the flanges 5 are arc-shaped or square, at least one first mounting hole 6 is formed in each flange 5, tie bars 7 which are of an integrated structure with the flanges 5 and are connected with the outer wall of the lower end cover 3 are symmetrically and obliquely arranged on two sides of each flange 5, and the tie bars 7 on the adjacent sides of the adjacent flanges 5 are positioned on the same straight line;

be equipped with on upper end cover 2 with the coaxial first bulge loop 8 of motor shaft hole 4 and a plurality of second mounting hole 9, 2 both sides of upper end cover are equipped with the notch 10 that is located 8 departments of first bulge loop, upper end cover 2 is square or circular, and a plurality of second mounting holes 9 are the four corners setting, 2 four corners departments of upper end cover are equipped with the first arch 11 that corresponds with second mounting hole 9, 3 bottoms of lower end cover are the arc and are equipped with a plurality of wind holes 12, be equipped with a plurality of taut bolts 13 that pass flange 5 on the upper end cover 2, be equipped with the protruding 15 of second that corresponds with taut bolt 13 on 2 edges of upper end cover or the shell 1.

Example 2: a motor special for a refiner comprises a motor shaft 16, a centrifugal switch 17 and a rotor 18, wherein the centrifugal switch 17 and the rotor 18 are arranged outside the motor shaft 16, a stator 19 is arranged outside the rotor 18, the motor casing is arranged outside the stator 19, the motor shaft 16 penetrates through a motor shaft hole 4 and protrudes out of an upper end cover 2, and a binding post 20 and a capacitor 21 are arranged outside a casing 1;

a second convex ring 22 coaxial with the motor shaft hole 4 is arranged at the bottom of the upper end cover 2, a bearing seat 23 is arranged inside the lower end cover 3, bearings 24 sleeved outside the motor shaft 16 are arranged inside the second convex ring 22 and the bearing seat 23, and the motor shaft 16 is provided with fan blades 25 which are positioned at the bottom of the rotor 18 and rotate synchronously with the motor shaft 16.

The utility model discloses a theory of operation does:

referring to the attached drawings 1 and 2, a plurality of tension bolts 13 respectively penetrate through corresponding flanges 5 of an upper end cover 2 and a lower end cover 3 or second bulges 15 of a shell 1 to be locked in a threaded fit manner, the upper end cover 2 and the lower end cover 3 are detachably fixed at the top and the bottom of the shell 1 to realize the quick assembly of a motor shell, the plurality of tension bolts 13 are coaxially arranged with a motor shaft hole 4, at least one second bulge 15 corresponding to the tension bolt 13 on the upper end cover 2 is used for reducing the size of the upper end cover 2, the installation structure is compact, and the installation space and the installation position of the tension bolt 13 are met;

referring to fig. 3, the motor is integrally matched with a sizing barrel 26 of a refiner in a limiting way through a first convex ring 8 of an upper end cover 2, a notch 10 is used for quickly positioning a hole, the motor is fixedly connected with the sizing barrel 26 through a plurality of second mounting holes 9, a first bulge 11 arranged corresponding to the second mounting holes 9 is used for improving the structural strength of four corners of the upper end cover 2, at least one first mounting hole on a flange 5 of the end cover 3 below the bottom of the motor is fixedly connected with a corner of the refiner and used for supporting, and a protective shell 28 positioned between the sizing barrel 26 and the corner is sleeved outside a motor shell, so that a stand column between the sizing barrel 26 and the corner can be omitted through direct installation of the motor and the sizing barrel 26 and the corner respectively, the cost is reduced, the motor is quickly assembled, and a motor shaft 16 protruding out of the upper end cover 2 is used for being connected with a lower grinding wheel of the refiner to drive rotary grinding;

when the motor runs, the stator 19 comprises a stator 19 iron core and a stator 19 winding in the stator 19 iron core, the stator 19 winding is connected with alternating current through a wiring terminal 20 to establish armature magnetomotive force and generate a rotating magnetic field, the rotor 18 comprises a rotor 18 iron core and a rotor 18 winding in the rotor 18 iron core, the rotor 18 winding cuts the stator 19 rotating magnetic field to generate induced electromotive force and current, electromagnetic torque is formed to enable the motor shaft 16 to rotate, the centrifugal switch 17 is connected to the rotor 18 in series to rotate around the motor shaft 16, the switch is switched on when the rotor 18 is static, the centrifugal switch 17 is switched off to automatically cut off a starting loop when a certain rotating speed is reached, the starting is finished, and the motor becomes a running state;

the motor capacitor 21 is used for phase splitting and is connected with the stator 19 winding in series, so that a phase difference of approximately 90 ° is generated between currents in the stator 19 winding and the rotor 18 winding to generate a rotating magnetic field, the currents interact with the rotating magnetic field to generate an electromagnetic field torque, the motor shaft 16 rotates, the bearing 24 sleeved outside the motor shaft 16 is arranged in the second convex ring 22 of the upper end cover 2 and the bearing seat 23 of the lower end cover 3, the stability of the motor shaft 16 during rotation is improved, wind flows are generated by the fan blades 25 which rotate synchronously with the motor shaft 16, and the wind is exhausted from the wind holes 12 of the lower end cover 3, so that the heat dissipation is accelerated, and the service life of the motor is prolonged;

the lower end cover 3 can be formed integrally by forging and casting, the end part of the flange 5 is arc as shown in the attached drawing 1 or square as shown in the attached drawing 2, meanwhile, the two sides of the flange 5 of the lower end cover 3 of the motor shell are obliquely arranged through symmetry, the flange 5 is of an integrated structure and is connected with the outer wall of the lower end cover 3, the tie bars 7 on the adjacent sides of the adjacent flanges 5 are arranged on the same straight line, the bonding strength between the flange 5 and the lower end cover 3 is improved, the supporting load strength when the flange 5 is connected with the corner of the refiner is improved, the phenomenon that the motor drives the refiner to shake during operation is prevented, the service life and the operation stability of the refiner are prolonged, and the application requirements of.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a motor casing, includes the shell, is located upper end cover and the lower end cover of shell top and bottom respectively, be equipped with the motor shaft hole on the upper end cover, its characterized in that, the lower end cover edge is equipped with the flange that sets up around the even interval of lower end cover a week, be equipped with at least one first mounting hole on the flange, flange bilateral symmetry is equipped with the lacing wire that is the integral type structure with the flange aslope, just links to each other with the lower end cover outer wall.

2. The motor housing of claim 1, wherein the flange end is arcuate or square.

3. The motor housing of claim 1, wherein the tie bars on adjacent sides of adjacent flanges are aligned.

4. The motor housing of claim 1, wherein the bottom of the lower end cap is curved and has a plurality of air holes.

5. The motor housing of claim 1, wherein the upper end cap defines a first raised ring and a plurality of second mounting holes that are coaxial with the motor shaft bore, and wherein the upper end cap defines notches on opposite sides of the first raised ring.

6. The motor housing according to claim 5, wherein the top cover is square or circular, the second mounting holes are arranged at four corners, and the first protrusions corresponding to the second mounting holes are arranged at the four corners of the top cover.

7. The motor housing of claim 1, wherein the upper end cap includes a plurality of tension bolts extending through the flange.

8. The motor housing of claim 7, wherein the upper end cap edge or the outer shell has second projections corresponding to the tension bolts.

9. A motor special for a pulping machine comprises a motor shaft, a centrifugal switch and a rotor, wherein the centrifugal switch and the rotor are arranged outside the motor shaft, and a stator is arranged outside the rotor.

10. A motor as claimed in claim 9, wherein a second protruding ring is disposed at a bottom of the upper end cover and is coaxial with the motor shaft hole, a bearing seat is disposed inside the lower end cover, a bearing is disposed inside each of the second protruding ring and the bearing seat and sleeved outside the motor shaft, and the motor bearing is provided with a fan blade which is disposed at a bottom of the rotor and rotates synchronously with the motor shaft.

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