CN113541369B - High-efficiency energy-saving direct-connection shot blasting machine - Google Patents

High-efficiency energy-saving direct-connection shot blasting machine Download PDF

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Publication number
CN113541369B
CN113541369B CN202110788329.9A CN202110788329A CN113541369B CN 113541369 B CN113541369 B CN 113541369B CN 202110788329 A CN202110788329 A CN 202110788329A CN 113541369 B CN113541369 B CN 113541369B
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plate
motor
blasting machine
cover
permanent magnet
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CN113541369A (en
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张延强
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Qiqihar Saishi Precision Machinery Manufacturing Co ltd
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Qiqihar Saishi Precision Machinery Manufacturing Co ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/02—Casings or enclosures characterised by the material thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/06—Cast metal casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
    • H02K5/124—Sealing of shafts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to a high-efficiency energy-saving direct-connection shot blasting machine. The ball blasting machine mainly solves the problems that the manufacturing and maintenance cost and the maintenance difficulty are increased due to the adoption of a double-layer structure of the existing ball blasting machine shell. The method is characterized in that: one side of the shell (1) is connected with a permanent magnet synchronous motor (8) through a motor mounting disc (6), a single impeller (5) is connected to an output shaft of the permanent magnet synchronous motor (8), a pill dividing wheel (4) is arranged at the center of the single impeller (5), and the pill dividing wheel (4) is connected to the end part of a main shaft of the permanent magnet synchronous motor (8) through a pill dividing wheel fixing screw (9); the side of the shell (1) opposite to the permanent magnet synchronous motor (8) is provided with a pill feeding port (2). The high-efficiency energy-saving direct-connection shot blasting machine can reduce vibration and noise while improving the rotating speed, improve the working efficiency and prolong the whole service life of the shot blasting machine.

Description

High-efficiency energy-saving direct-connection shot blasting machine
Technical Field
The invention relates to the field of machinery, in particular to a high-efficiency energy-saving direct-connection shot blasting machine.
Background
At present, a shot blasting machine is commonly used for cleaning the surfaces of a steel structure welding piece and a casting piece, and the core component of the shot blasting machine is a shot blasting machine. The work efficiency of the shot blasting machine is shown in that the motor drives the impeller to rotate at a high speed, steel shots (abrasive materials) are shot out, and the higher the impact kinetic energy of the steel shots on the surface of a workpiece is, the cleaner the surface of the workpiece is, and the higher the work efficiency is. In the daily production of users, the quality or diameter of the shot is fixed according to the requirement of the surface roughness of the workpiece, and according to the principle of a kinetic energy formula, the diameter of the shot-blasting wheel or the rotation number of the main shaft of the shot-blasting machine can be increased only to improve the product quality and the production efficiency of the users, and the only best method is to improve the working rotation speed of the shot-blasting machine under the condition that the design structure of the shot-blasting machine is determined.
The shot blasting machine and the driving motor which are commonly used at present mostly adopt a belt transmission connection mode, and the belt can do speed-up transmission, so that the working rotation speed is improved. The parts and the protective parts rotating at high speed in the shell of the shot blasting machine are called wear-resistant consumable parts, high-chromium wear-resistant cast iron materials are generally adopted, casting precision of the castings is poor, high-speed rotation unbalance is inevitably generated, and particularly internal slag inclusion, air holes or shrinkage porosity generated by casting is more likely to generate serious unbalance, so that vibration and noise are generated when the shot blasting machine works, and the bearings of the main shaft of the shot blasting machine are burnt or blocked.
Disclosure of Invention
In order to overcome the defects that the existing belt type transmission shot blasting machine is high in vibration and noise and easy to cause the burning or blocking of a bearing of a main shaft of the shot blasting machine when in work, the invention provides the high-efficiency energy-saving direct-connection shot blasting machine.
The technical scheme of the invention is as follows: the high-efficiency energy-saving direct-connection shot blasting machine comprises a shell, wherein one side of the shell is connected with a permanent magnet synchronous motor through a motor mounting disc, a single impeller is connected to an output shaft of the permanent magnet synchronous motor, a shot separating wheel is arranged at the center of the single impeller, and the shot separating wheel is connected to the end part of a main shaft of the permanent magnet synchronous motor through a shot separating wheel fixing screw; and a pill feeding port is arranged on one side of the shell opposite to the permanent magnet synchronous motor.
The shell comprises a first side plate and a second side plate, wherein the first side plate and the second side plate are both double-layer composite steel plates, the inner side is a wear-resistant steel layer, the outer side is a carbon steel layer, a first end plate and a second end plate are inlaid on the inner walls of the wear-resistant steel layers of the first side plate and the second side plate through grooves, the tops of the first side plate and the second side plate are connected with an upper cover plate through cover plate screws, and a cover plate rubber pad and a top plate are sequentially arranged between the bottom of the upper cover plate and the two side plates.
A motor mounting plate is fixed at the center of the carbon steel layer at the outer side of the second side plate, and a bottom plate is fixed at the bottom of the second side plate; the reinforcing ring is fixed at the center of the carbon steel layer at the outer side of the first side plate, the bottom of the first side plate is fixed with the bottom plate connecting plate, and the bottom plate connecting plate is connected with the bottom plate through bolts.
The first end plate, the second end plate and the top plate are all made of wear-resistant steel.
The top of the first side plate and the top of the second side plate are respectively fixed with a top plate connecting plate, and the top plate connecting plates are connected with the upper cover plate through cover plate screws.
The first end plate and the second end plate are formed by connecting an upper end plate monomer and a lower end plate monomer.
The single impeller comprises an impeller disc, a plurality of blades are uniformly fixed on one side wall of the impeller disc, a convex blade connector is arranged on one side of each blade, a clamping groove is formed in the side wall of the impeller disc, and the blade connectors are embedded in the clamping grooves.
The permanent magnet synchronous motor comprises a motor front end cover and a motor rear end cover, which are connected through a machine body connecting screw rod, wherein a front bearing is arranged in the motor front end cover, a rear bearing is arranged in the motor rear end cover, a main shaft is arranged in the front bearing and the rear bearing, a rotor is fixed on the main shaft, a magnet block is arranged outside the rotor, and a stator is arranged outside the magnet block; the front end cover of the motor is provided with a front bearing oil filler hole.
The front end of the front bearing is provided with a front bearing cover, and the front bearing cover is fixed on the front end cover of the motor through a screw; the rear end of the rear bearing is provided with a rear bearing cover, and the rear bearing cover is fixed on the rear end cover of the motor.
The invention has the following beneficial effects: by adopting the scheme, the shot blasting machine adopts the permanent magnet synchronous motor for the first time in the domestic and foreign shot blasting machine industry, adopts alloy grinding tool steel for forging and processing to manufacture the single impeller, adopts the composite steel plate and high-quality alloy steel for the first time to manufacture the single-layer open shell, has simple structure, convenient use, installation and maintenance, good dynamic balance, low noise, relatively low manufacturing cost, high production efficiency in working, power saving and greatly improved production efficiency of shot blasting treatment, and compared with the current domestic and foreign direct-connection shot blasting machine, the striking kinetic energy and the production capacity of the shot blasting treatment workpiece can be improved by more than 31 percent, and has high popularization value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic structural view of the housing;
FIG. 3 is a schematic view of a single impeller configuration;
fig. 4 is a schematic structural view of a permanent magnet synchronous motor.
In the drawing, the motor comprises a 1-shell, a 2-pill feeding port, a 3-directional sleeve, a 4-pill separating wheel, a 5-single impeller, a 6-motor mounting disc, a 7-connecting bolt, an 8-permanent magnet synchronous motor, a 9-pill separating wheel fixing screw, a 11-first side plate, a 12-first end plate, a 13-side plate connecting bolt, a 14-top plate, a 15-cover plate screw, a 16-upper cover plate, a 17-cover plate rubber pad, a 18-second end plate, a 19-second side plate, a 20-bottom plate, a 51-blade, a 52-blade connector, a 53-impeller disc, a 54-clamping groove, a 81-motor connecting bolt, a 82-main shaft, a 83-main shaft sealing ring, a 84-front bearing cover, a 85-front bearing, a 86-front bearing oil filling hole, a 87-motor front end cover, a 88-body connecting screw, a 89-stator, a 90-magnet block, a 91-rotor, a 92-flat key, a 93-motor rear end cover, a 94-rotor shaft retainer, a 95-rear bearing and a 96-rear bearing cover.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the high-efficiency energy-saving direct-connection shot blasting machine comprises a shell 1, wherein the shell 1 is provided with a motor mounting disc 6, the motor mounting disc 6 is connected with a permanent magnet synchronous motor 8 through a connecting bolt 7, and a shot feeding port 2 is arranged on one side, opposite to the permanent magnet synchronous motor 8, of the shell 1. The output shaft of the permanent magnet synchronous motor 8 is connected with a single impeller 5, and the single impeller 5 is positioned in the shell 1. The center of the single impeller 5 is provided with a pill separating wheel 4, and the pill separating wheel 4 is connected with the end part of the main shaft of the permanent magnet synchronous motor 8 through a pill separating wheel fixing screw 9. When the shot blasting machine works, the shot separating wheel 4 and the single impeller 5 rotate at high speed along with a motor shaft, and a directional sleeve 3 is arranged outside the shot separating wheel 4 and used for controlling the direction of a shot outlet.
The shell 1 comprises a first side plate 11 and a second side plate 19, wherein the first side plate 11 and the second side plate 19 are both made of double-layer composite steel plates, the inner side is made of a wear-resistant steel layer, cr12Mo1V1, cr12MoV, 9CrWMn or martensitic stainless steel and the like can be adopted as materials, and the outer side is made of a carbon steel layer, and Q235, Q345 or 16Mn and the like can be adopted as materials. The grooves are formed in the inner walls of the wear-resistant steel layers of the first side plate 11 and the second side plate 19, the first end plate 12 and the second end plate 18 are inlaid in the grooves, the width and the depth of the grooves are consistent with the inlaid thickness and the width reserved by the end plates, the sealing effect of the end plates inlaid on the side plates is guaranteed, and the two end plates are fixed with the two side plates through connecting bolts 13. The first end plate 12 and the second end plate 18 are formed by connecting an upper end plate monomer and a lower end plate monomer, and are made of wear-resistant steel. Because the end plate is inconsistent in loss in the length direction when the shot blasting machine works, the structure that two sections of end plate monomers are connected is adopted, and the end plate can be independently replaced after the end plate monomers are worn, so that the maintenance cost is saved.
The top of first curb plate 11 and second curb plate 19 is fixed with the roof connecting plate respectively, is connected with upper cover plate 16 through apron screw 15 on the roof connecting plate, and is equipped with apron rubber pad 17 and roof 14 in proper order between upper cover plate 16 bottom and the two curb plates, and wherein upper cover plate 16 both sides buckle downwards, wrap up apron rubber pad 17, roof 14 and two roof connecting plates inside, improved the leakproofness, wherein roof 14 adopts wear-resisting steel equally.
The bottom plate 20 is fixed at the bottom of the second side plate 19, an included angle between the second side plate 19 and the bottom plate 20 is 90 degrees, a motor mounting plate is fixed at the center of the carbon steel layer at the outer side of the second side plate 19, and reinforcing ribs are arranged between the motor mounting plate and the bottom plate 20. A reinforcing ring is fixed at the center of the carbon steel layer at the outer side of the first side plate 11, a bottom plate connecting plate is fixed at the bottom of the first side plate 11, and the bottom plate connecting plate is connected with the bottom plate 20 through bolts.
It can be seen that the open type shot blasting machine shell is divided into 5 independent units, and after the open type shot blasting machine shell is manufactured, the 5 independent units can be fastened together through the connecting bolts 13 and the cover plate screws 15, so that a shell finished product is formed. Because the open shell is adopted, the shell is not required to be formed firstly in the process of assembling the impeller head product and maintaining and replacing parts by users, the impeller head is greatly convenient to manufacture, assemble and maintain and replace parts by users, and the single-layer shell is manufactured, so that the material cost, the manufacturing cost and the user maintenance cost are obviously reduced due to the simple structure.
The single impeller 5 comprises an impeller plate 53, wherein a plurality of blades 51 are uniformly fixed on the side wall of one side of the impeller plate 53, and the number of the blades 51 is 6 or 8. Wherein, one side of the vane 1 is provided with a convex vane connector 6, the side wall of the impeller plate 53 is provided with a clamping groove 54, and the vane connector 52 is embedded in the clamping groove 54, thereby connecting the vane 51 on the impeller plate 53. The cross section of the clamping groove 54 can be T-shaped or dovetail-shaped, and the cross section of the blade connecting body 52 corresponds to the shape of the clamping groove 54. The cross section of the clamping groove can be rectangular, and the blade 51 and the impeller plate 53 can be connected through a screw or a spring pin.
The impeller plate 53 and the blades 21 of most standard impeller heads can be made of Cr12Mo1V1, cr12MoV or 9CrWMn, and the impeller plate is finished through a plurality of heat treatments after being processed. The impeller of the impeller with small size (the diameter of the impeller is smaller than 280 mm) and low power (below 18.5 kW) is made of 20CrMnMo alloy steel, and is forged and processed, and then carburized and integrally quenched, wherein a carburized layer is larger than 2mm. The freedom degree of the blades 51 in the center direction of the impeller in the Z axial direction is controlled by a boss of the pill dividing wheel 4 arranged in the middle of the impeller disc 53, and in order to fix the blades 51 on the impeller disc 53 completely to complete a single impeller assembly, three inner hexagon screws are arranged on a 120-degree equal division circle of a small-diameter part of the impeller, so that the pill dividing wheel is fixed on the center of the single impeller.
The single impeller device can be matched with any type of shot blasting machine, whether the shot blasting machine is a direct-connection shot blasting machine or a non-direct-connection shot blasting machine, and the single impeller device can be manufactured according to the requirement of the installation size. Because of the high assembly accuracy required by single impeller devices, it is generally not suitable for cast blades and split wheels, and no matter which mounting form is adopted, the manufacturing process of forging, processing and quenching alloy steel must be adopted.
The permanent magnet synchronous motor 8 comprises a motor front end cover 87 and a motor rear end cover 93 which are connected through a machine body connecting screw 88, wherein the motor front end cover 87 is fixed with the shot blasting machine through a connecting bolt 81. A front bearing 85 is arranged in the motor front end cover 87, a rear bearing 95 is arranged in the motor rear end cover 93, a front bearing cover 84 is arranged at the front end of the front bearing 85, a main shaft sealing ring 83 is arranged between the front bearing cover 84 and the main shaft 82, and the front bearing cover 84 is fixed on the motor front end cover 87 through screws; the rear end of the rear bearing 95 is provided with a rear bearing cover 96, and the rear bearing cover 96 is fixed on the motor rear end cover 93. A main shaft sealing ring 83 is arranged between the front bearing cover 84 and the main shaft 82, and a front bearing oil filling hole 86 is formed in a front motor end cover 87. The front bearing 85 and the rear bearing 95 are internally provided with a main shaft 82, and the main shaft 82 is connected with the shot blasting machine to drive the shot blasting machine to work. A rotor 91 is fixed on the main shaft 82, a rotor shaft retainer 94 is arranged on one side of the rotor 91, a magnet block 90 is arranged outside the rotor 91, and a stator 89 is arranged outside the magnet block 90.
The permanent magnet synchronous motor 8 is connected with the single impeller 5 through a motor connecting bolt 81, and the end part of the main shaft 82 is connected with the pill separating wheel 4 through a pill separating wheel fixing screw 9. The permanent magnet synchronous motor does not need to adopt current excitation of rotor coils (including rotor die-cast aluminum bars and aluminum rings of an asynchronous motor) to generate magnetic field power like a common motor, and excitation loss (copper loss) caused by excitation is avoided, so that the starting and working currents of the motor are small. According to the kinetic energy formula, the higher the rotating speed is, the larger the working kinetic energy is. Because of using the permanent magnet synchronous motor, the working revolution of the shot blasting machine can reach 3900r/min, and the speed can be regulated at any time from 2500-4500r/min in working. The permanent magnet synchronous motor has high power factor and even can be designed to be 1, so that the light load time efficiency value is much higher than that of a common motor, and because the permanent magnet synchronous motor works with small current and smaller heating value, the permanent magnet synchronous motor is designed to eliminate a cooling fan at the tail part of the common motor, and because of the reason, the length of the motor is shorter, the volume is smaller, the power factor is obviously smaller than that of a three-phase asynchronous motor with the same power, the length of the motor is about 1/3 of that of the three-phase asynchronous motor with the same power, the whole weight of the motor is also less than that of the three-phase asynchronous motor with the same power, and if an aluminum alloy or high-strength engineering plastic is adopted for manufacturing a shell, the whole weight of the motor can be further reduced, and meanwhile, vibration and noise can be reduced. The open type shell can be adopted for the first time at home and abroad by using the permanent magnet synchronous motor with small volume, light weight and high rotating speed, and the single impeller assembly is convenient to adopt by using the open type shell.
The advantages can be seen that the light load time efficiency value of the permanent magnet synchronous motor is very high, and the design is to design the output torque according to the used torque, so that the calibration value of the output power of the motor is not the jump type table data series of the national standard, but can be designed into any power according to the needs. Therefore, the accurate design and accurate use according to the power requirement are certainly energy-saving, and compared with the common three-phase asynchronous motor, the energy is saved by more than 20%.
The special nonstandard permanent magnet synchronous motor has a relatively simple manufacturing structure, and thus has two great advantages: (1) The motor has less parts, besides the customized neodymium iron boron strong magnet, all the parts are steel parts which are processed in daily life, and even the motor stator is a conventional product of each motor manufacturer, so that the cost of the motor is not higher than that of a common three-phase asynchronous motor, and the motor has strong market competitiveness. (2) The special non-standard product is characterized in that the steel is a standard steel plate and bar of various domestic large steel companies and various standard components, and batch casting of parts is not needed when the yield is small, so that the steel is an environment-friendly product suitable for energy conservation and emission reduction. The product is manufactured fully in accordance with the relevant standards and general technical requirements of the state-of-the-art motor. The permanent magnet synchronous motor is a two-stage motor with the applicable voltage of 380V and 50Hz, and the protection grade IP55. The permanent magnet synchronous motor arranged on the shot blasting machine can be used for customizing and designing the stepless design power from 5.5 to 75kW according to the required power and the specific rotating speed of the shot blasting machine by a user. Customized products with the applicable voltages of 220V, 60Hz and IP55 can be designed according to European and American user needs. The special permanent magnet synchronous motor is manufactured, popularized and used, and fills the blank of the special motor for the domestic and foreign direct-connection shot blasting machine.
The flange installation size of the high-rotation-speed permanent magnet synchronous motor and various direct-connection shot blasting machines is universal with the installation size of the driving motor of the existing direct-connection shot blasting machines at home and abroad, the popularization applicability is strong, and obvious economic benefits, energy conservation and emission reduction social benefits can be brought to users of various shot blasting machines.
The described embodiments are intended to be illustrative of only and not all of the principles of the patent, and are intended to be within the scope of the patent as defined by the appended claims.

Claims (5)

1. The utility model provides a high-efficient energy-conserving direct-coupled shot-blasting machine, includes casing (1), its characterized in that: one side of the shell (1) is connected with a permanent magnet synchronous motor (8) through a motor mounting disc (6), a single impeller (5) is connected to an output shaft of the permanent magnet synchronous motor (8), a pill dividing wheel (4) is arranged at the center of the single impeller (5), and the pill dividing wheel (4) is connected to the end part of a main shaft of the permanent magnet synchronous motor (8) through a pill dividing wheel fixing screw (9); a pill feeding port (2) is arranged on one side of the shell (1) opposite to the permanent magnet synchronous motor (8);
the permanent magnet synchronous motor (8) comprises a motor front end cover (87) and a motor rear end cover (93), wherein the motor front end cover (87) and the motor rear end cover (93) are connected through a machine body connecting screw rod (88), a front bearing (85) is arranged inside the motor front end cover (87), a rear bearing (95) is arranged inside the motor rear end cover (93), a main shaft (82) is arranged inside the front bearing (85) and the rear bearing (95), a rotor (91) is fixed on the main shaft (82), a magnet block (90) is arranged outside the rotor (91), and a stator (89) is arranged outside the magnet block (90); a front bearing oil filler hole (86) is formed in the front end cover (87) of the motor;
the shell (1) comprises a first side plate (11) and a second side plate (19), wherein the first side plate (11) and the second side plate (19) are both double-layer composite steel plates, the inner side is a wear-resistant steel layer, the outer side is a carbon steel layer, a first end plate (12) and a second end plate (18) are inlaid on the inner walls of the wear-resistant steel layers of the first side plate (11) and the second side plate (19) through grooves, the tops of the first side plate (11) and the second side plate (19) are connected with an upper cover plate (16) through cover plate screws (15), and a cover plate rubber pad (17) and a top plate (14) are sequentially arranged between the bottom of the upper cover plate (16) and the two side plates; a motor mounting disc (6) is fixed at the center of the carbon steel layer at the outer side of the second side plate (19), and a bottom plate (20) is fixed at the bottom of the second side plate (19); a reinforcing ring is fixed at the center of the carbon steel layer at the outer side of the first side plate (11), a bottom plate connecting plate is fixed at the bottom of the first side plate (11), and the bottom plate connecting plate is connected with the bottom plate (20) through bolts; top plate connecting plates are respectively fixed at the tops of the first side plate (11) and the second side plate (19), and the top plate connecting plates are connected with an upper cover plate (16) through cover plate screws (15).
2. The high-efficiency and energy-saving direct-connection shot blasting machine according to claim 1, wherein: the first end plate (12), the second end plate (18) and the top plate (14) are made of wear-resistant steel.
3. The high-efficiency energy-saving direct-connection shot blasting machine according to claim 2, wherein: the first end plate (12) and the second end plate (18) are formed by connecting an upper end plate monomer and a lower end plate monomer.
4. The high-efficiency energy-saving direct-connection shot blasting machine according to claim 3, wherein: the single impeller (5) comprises an impeller disc (53), a plurality of blades (51) are uniformly fixed on one side wall of the impeller disc (53), a convex blade connector (52) is arranged on one side of each blade (51), a clamping groove (54) is formed in the side wall of the impeller disc (53), and the blade connector (52) is embedded in the clamping groove (54).
5. The high-efficiency and energy-saving direct-connection shot blasting machine according to claim 1, wherein: the front end of the front bearing (85) is provided with a front bearing cover (84), and the front bearing cover (84) is fixed on a front end cover (87) of the motor through screws; the rear end of the rear bearing (95) is provided with a rear bearing cover (96), and the rear bearing cover (96) is fixed on a rear end cover (93) of the motor.
CN202110788329.9A 2021-07-13 2021-07-13 High-efficiency energy-saving direct-connection shot blasting machine Active CN113541369B (en)

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CN211220309U (en) * 2019-11-08 2020-08-11 齐齐哈尔斯潘塞重工装备有限公司 Single-impeller head
CN211361906U (en) * 2019-11-26 2020-08-28 盐城磊业机械科技有限公司 Blade for shot blasting machine
CN211992518U (en) * 2019-12-30 2020-11-24 齐齐哈尔斯潘塞重工装备有限公司 High-manganese nonmagnetic wear-resistant steel shot blasting machine shell
CN212033853U (en) * 2020-04-14 2020-11-27 徐延平 Self-starting permanent magnet synchronous motor
CN213197123U (en) * 2020-09-03 2021-05-14 大连振荣汽车零部件锻造有限公司 Shot cleaning device for crawler-type shot blasting machine

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