CN117797692A - Electric magnetic stirring device - Google Patents

Abstract

The invention provides an electric magnetic stirring device, which comprises a tank body and a sealing cover, wherein a stirring assembly is arranged on the tank body, the stirring assembly comprises a motor and a rotating rod, a magnetic assembly is arranged on the tank body, the magnetic assembly comprises a magnetic plate and a magnetic block, a fixing assembly is arranged on the tank body, the fixing assembly comprises a support sleeve and a clamping sleeve, a transmission assembly is arranged on the magnetic block, the transmission assembly comprises a main shaft and a gear set, the gear set comprises a first gear and a second gear, the electric magnetic stirring device can adapt to the mixing and stirring work of different raw materials, can automatically adjust the rotating speed of the rotating rod according to the resistance change of the raw materials, ensure the stirring efficiency of the rotating rod, ensure the sufficient stirring speed of the rotating rod, improve the stirring efficiency, ensure the smooth progress of the speed change work, avoid the frequent disassembly of parts and the supplement of hydraulic oil by personnel, save manpower consumption, ensure the working efficiency of equipment, and is suitable for the processing and stirring use of the chemical raw materials.

Description

Electric magnetic stirring device

Technical Field

The invention relates to the technical field of electric magnetic stirring equipment, in particular to an electric magnetic stirring device.

Background

When the chemical raw material is processed, in order to ensure that the raw material is subjected to fully and uniform reaction operation under a high-pressure or vacuum environment and the tightness of reaction equipment is ensured, electric magnetic stirring equipment is often required, and the invention patent with the patent application number of CN201310407261.0 discloses an electric magnetic stirring high-pressure reactor, wherein the fluctuation of the reaction temperature is small in the working process, and a magnetic rotor of the common reactor is uniformly stirred, so that the deposition and agglomeration of reactants are effectively prevented, and the growth of whiskers or nano materials is prevented; and a plurality of groups of comparison tests can be simultaneously carried out, so that the test efficiency is high; the stirring device has the advantages that materials can react more uniformly, the stirring device is low in cost, reliable in operation and ideal in test effect, according to the technical scheme disclosed by the stirring device, on one hand, when stirring is performed, the stirring speed cannot be adjusted, and on the other hand, the stirring speed is slower, or the stirring operation of different raw materials cannot be adapted due to overlarge resistance of the raw materials, on the other hand, when the stirring rotation speed is adjusted through the speed changing device to adapt to the resistance of the raw materials, the rotation speed cannot be automatically adjusted according to the change of the resistance of the raw materials due to the fact that the resistance of the raw materials cannot be detected in real time, so that the rotation speed cannot be automatically adjusted according to the change of the raw materials, the stirring efficiency is not beneficial to guarantee, on the other hand, when pressure conduction is utilized to perform rotation speed adjustment, the hydraulic oil is easy to cause loss during use, smooth speed changing operation of the stirring device is not beneficial to guarantee, regular inspection and supplement are needed, manpower consumption is increased, and the working efficiency of the device is reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an electric magnetic stirring device which solves the problems in the prior art.

In order to achieve the above object, the present invention is realized by the following technical scheme: the utility model provides an electronic magnetic stirring device, includes the jar body and closing cap, install stirring subassembly on the jar body, stirring subassembly includes motor and bull stick, install magnetic force subassembly on the jar body, magnetic force subassembly includes magnetic plate and magnetic path, install fixed subassembly on the jar body, fixed subassembly includes brace and cutting ferrule, install drive assembly on the magnetic path, drive assembly includes main shaft and gear train, the gear train includes gear one and gear two, the speed change subassembly is installed to the inboard of cutting ferrule, the speed change subassembly includes gear three and gear four, pushing component is installed on the top of bull stick, pushing component includes toothed ring and insection, automatic break away from subassembly is installed to the inboard of main shaft, automatic break away subassembly includes fixture block and bayonet lock.

Further, the closing cap passes through the screw thread seal to be installed at the top of the jar body, the brace passes through the top of the jar body is installed to quantity, the motor passes through the bolt to be installed at the top of brace, the inboard at the brace is installed to the magnetic plate, the output shaft of motor passes the top of brace and passes through the center department of bolt installation at the magnetic plate.

Further, the top welding of the jar body has the magnetic conduction board, the cutting ferrule welds on the inner wall at the top of the jar body, magnetic plate and magnetic path set up respectively at the top and the bottom of magnetic conduction board, the main shaft welds in the bottom of magnetic path, the main shaft passes through the bearing and installs the inboard at the cutting ferrule.

Further, gear one and gear two all overlap and establish the outside side at the main shaft, gear one installs the bottom at gear two, the ring gear passes through the bearing and installs the inboard at the cutting ferrule, the top of bull stick passes the bottom of cutting ferrule and welds the bottom at the ring gear, the bottom of bull stick extends to the bottom of jar body.

Further, the support is welded on the inner side of the cutting sleeve, the third gear and the fourth gear are all installed on the support through bearings, the first gear is meshed with the third gear, the second gear is meshed with the fourth gear, the insection is formed in the inner wall of the toothed ring, and the third gear and the fourth gear are meshed with the insection.

Further, the draw-in groove has been seted up to the inboard of main shaft, the bayonet socket has been seted up to the inboard of gear one, the one end of fixture block is connected with the inner wall of draw-in groove through spring one, the other end of fixture block extends to the inboard of bayonet socket, the gyro wheel is installed to the other end of fixture block, the gyro wheel card is on the inner wall of bayonet socket.

Furthermore, an inner groove is formed in the inner side of the main shaft, a pin groove is formed in the inner side of the second gear, one end of the clamping pin is connected with the inner wall of the inner groove through the second spring, the pin groove is located on the outer side of the other end of the clamping pin, and the clamping groove is communicated with the inner groove through a Tesla valve.

Further, an inner cavity is formed in the inner side of the top of the main shaft, a piston is formed in the inner wall of the inner cavity, the bottom of the piston is connected with the bottom of the inner cavity through a spring IV, the bottom of the inner cavity is communicated with the inner groove, and hydraulic oil is filled in the clamping groove, the inner groove and the inner side of the inner cavity.

Further, a wedge block is clamped on the inner side of the piston, a wedge groove is formed in the inner wall of the inner cavity, one end of the wedge block is connected with the inner side of the piston through a spring III, and the other end of the wedge block penetrates through the inner side of the piston and is clamped on the inner side of the wedge groove.

Further, the top welding of the jar body has the trachea, install the solenoid valve on the trachea, the outside side of the jar body is installed through the bolt and is organized, switch group passes through the electric wire and is connected with motor and solenoid valve.

Compared with the prior art, the invention has the beneficial effects that:

1. this electronic magnetic stirring device when using, when the resistance of raw materials is great, can drive the main shaft through the magnetic path and rotate, the main shaft drives the fixture block and rotates, the fixture block promotes the bayonet socket under the elasticity of spring one, and then drive gear one and rotate, gear one drives gear three and rotate, gear three drives the ring gear through the meshing with the insection, and then drive the bull stick and rotate fast, when the resistance of raw materials is great, make the bull stick receive the resistance great, and then make the magnetic field thrust of magnetic plate through leading to magnetic plate to the magnetic path be insufficient when promoting the main shaft rotation, make the main shaft drive gear four through gear two, and then drive the bull stick through the ring gear and rotate, thereby increase the reduction ratio, thereby improve the rotation torsion of bull stick, and reduce the resistance that the main shaft received, and then ensure that the magnetic plate can drive the bull stick through leading to magnetic field thrust of magnetic plate to the magnetic path and stir the work, and then realize adjusting the slew velocity of bull stick according to the resistance of raw materials, both avoided leading to the motor to drive the magnetic plate idle because of the resistance of the raw materials is great, can not realize stirring work, avoid again because of the slew velocity of bull stick is lower, stirring velocity is slower, and then can adapt to the mixed stirring work of different raw materials.

2. When the electric magnetic stirring device is used, the motor drives the magnetic plate to rotate, the magnetic plate transmits magnetic force to the magnetic block through the magnetic guide plate, the magnetic force is utilized to drive the magnetic block to rotate, the main shaft drives the clamping block to rotate, the clamping block pushes the bayonet under the elasticity of the first spring, the bayonet drives the first gear to rotate, the first gear drives the toothed ring to rotate through the third gear so as to drive the rotating rod to rotate, when the resistance of the rotating rod is larger, the clamping block is compressed to the inner side of the clamping groove by the clamping block when the reaction force of the bayonet received by the clamping block is larger than the elasticity of the first spring, the abrasion of the clamping block and the bayonet is reduced through the rotation of the roller, the clamping block extrudes hydraulic oil in the clamping groove to the inner side of the inner groove through the Tesla valve, the clamping pin is pushed to the inner side of the pin groove, and the reduction ratio of the toothed ring is larger through the fourth gear, the reaction force of the bayonet catch is smaller, the rotating rod is driven to rotate slowly, when the resistance of the chemical raw materials is reduced due to the temperature, the reaction and other factors during the reaction, the first spring pushes the clamping block, the clamping block is clamped into the inner side of the bayonet, the resistance of the rotating rod passing through the toothed ring, the third gear and the first gear to the clamping block is smaller than the resistance of the first spring to the bayonet through the clamping block, the main shaft drives the third gear through the third gear, the rotating rod is driven to rotate rapidly through the toothed ring, meanwhile, the clamping block sucks hydraulic oil in the inner groove into the inner side of the bayonet catch, the bayonet catch is separated from the second gear under the suction force of the hydraulic oil, the rotating speed of the rotating rod can be automatically regulated according to the resistance change of the raw materials, the stirring efficiency of the rotating rod is ensured, the stirring speed of the rotating rod is ensured, the stirring efficiency is improved, the working safety of the motor is protected, meanwhile, the magnetic plate and the magnetic block can be guaranteed to effectively conduct power transmission.

3. When the electric magnetic stirring device is used, when the hydraulic oil is utilized to perform speed change operation, when the hydraulic oil in the clamping groove and the inner groove is damaged due to the operation, after the operation is stopped, the oil pressure in the clamping groove and the inner groove is reduced, the piston is pulled downwards by the spring IV to supplement the hydraulic oil in the inner cavity to the inner sides of the clamping groove and the inner groove, and when the oil pressure in the clamping groove and the inner groove is increased due to the extrusion of the clamping block and the clamping pin during the operation, the wedge block in the piston is clamped at the inner side of the wedge groove under the elasticity of the spring, the upward movement of the piston is avoided, the pressure conduction operation of the hydraulic oil in the clamping groove and the inner groove is effectively avoided, the phenomenon that the pressure conduction operation of the clamping block and the clamping pin cannot be realized due to the loss of the hydraulic oil is effectively avoided, further smooth speed change operation is ensured, no personnel are required to disassemble parts and supplement the operation of the hydraulic oil frequently, the manpower consumption is saved, and the working efficiency of equipment is ensured.

Drawings

FIG. 1 is a schematic diagram of an electric magnetic stirring device according to the present invention;

FIG. 2 is a cross-sectional view of an electric magnetic stirring device according to the present invention;

FIG. 3 is a cross-sectional view of a ferrule of an electric magnetic stirring device of the present invention;

FIG. 4 is a top view of a ferrule of an electric magnetic stirring device according to the present invention;

FIG. 5 is a cross-sectional view of a spindle of an electric magnetic stirring device according to the present invention;

FIG. 6 is a top view of a gear I of an electric magnetic stirring device according to the present invention;

in the figure: 1. a tank body; 2. a cover; 3. a support sleeve; 4. a motor; 5. an air pipe; 6. a magnetic plate; 7. a magnetic block; 8. a cutting sleeve; 9. a rotating rod; 10. a first gear; 11. a second gear; 12. a main shaft; 13. a third gear; 14. a fourth gear; 15. a toothed ring; 16. tooth patterns; 17. a bracket; 18. a magnetic conductive plate; 19. a clamping groove; 20. a clamping block; 21. a first spring; 22. a bayonet; 23. a roller; 24. an inner tank; 25. a bayonet lock; 26. a pin slot; 27. a second spring; 28. a tesla valve; 29. an inner cavity; 30. a piston; 31. wedge blocks; 32. a third spring; 33. a spring IV; 34. wedge grooves; 35. and a switch group.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Referring to fig. 1 to 6, the present invention provides a technical solution: an electric magnetic stirring device comprises a tank body 1 and a sealing cover 2, wherein a stirring assembly is arranged on the tank body 1, the stirring assembly comprises a motor 4 and a rotating rod 9, a magnetic assembly is arranged on the tank body 1, the magnetic assembly comprises a magnetic plate 6 and a magnetic block 7, a fixing assembly is arranged on the tank body 1, the fixing assembly comprises a support sleeve 3 and a clamping sleeve 8, a transmission assembly is arranged on the magnetic block 7, the transmission assembly comprises a main shaft 12 and a gear set, the gear set comprises a first gear 10 and a second gear 11, a speed changing assembly is arranged on the inner side of the clamping sleeve 8, the speed changing assembly comprises a third gear 13 and a fourth gear 14, a pushing assembly is arranged on the top end of the rotating rod 9, the pushing assembly comprises a toothed ring 15 and a toothed pattern 16, an automatic disengaging assembly is arranged on the inner side of the main shaft 12 and comprises a clamping block 20 and a clamping pin 25, an inner cavity 29 is formed in the inner side of the top of the main shaft 12, a piston 30 is formed in the inner wall of the inner cavity 29, the bottom of the piston 30 is connected with the bottom of the inner cavity 29 through a spring IV 33, the bottom of the inner cavity 29 is communicated with an inner groove 24, hydraulic oil is filled in the clamping groove 19, the inner groove 24 and the inner side of the inner cavity 29, a wedge block 31 is clamped in the inner side of the piston 30, a wedge groove 34 is formed in the inner wall of the inner cavity 29, one end of the wedge block 31 is connected with the inner side of the piston 30 through a spring III 32, the other end of the wedge block 31 penetrates the inner side of the piston 30 and is clamped in the inner side of the wedge groove 34, when the hydraulic oil in the clamping groove 19 and the inner groove 24 is damaged due to operation in the speed change operation by the hydraulic oil, after the operation is stopped, the hydraulic oil in the clamping groove 19 and the inner groove 24 is reduced by the spring IV 33 to pull the piston 30 downwards, the hydraulic oil in the inner cavity 29 is supplemented to the inner sides of the clamping groove 19 and the inner groove 24, and when the hydraulic oil in the clamping groove 19 and the inner groove 24 is increased due to the extrusion of the clamping block 20 and the clamping pin 25 during operation, the wedge block 31 in the piston 30 is clamped on the inner side of the wedge groove 34 under the elastic force of the spring III 32, so that the upward movement of the piston 30 is avoided, the pressure conduction operation of the hydraulic oil in the clamping groove 19 and the inner groove 24 is ensured, the condition that the pressure conduction operation of the clamping block 20 and the clamping pin 25 cannot be realized due to the loss of the hydraulic oil is effectively avoided, the smooth operation of speed change operation is further ensured, the frequent operation of disassembling parts and supplementing the hydraulic oil is not required by personnel, the manpower consumption is saved, and the working efficiency of equipment is ensured.

In this embodiment, the bracket 17 is welded on the inner side of the ferrule 8, the third gear 13 and the fourth gear 14 are both mounted on the bracket 17 through bearings, the first gear 10 is meshed with the third gear 13, the second gear 11 is meshed with the fourth gear 14, the insection 16 is formed on the inner wall of the toothed ring 15, the third gear 13 and the fourth gear 14 are both meshed with the insection 16, the inner side of the spindle 12 is provided with a clamping groove 19, the inner side of the first gear 10 is provided with a bayonet 22, one end of the clamping block 20 is connected with the inner wall of the clamping groove 19 through a first spring 21, the other end of the clamping block 20 extends to the inner side of the bayonet 22, the other end of the clamping block 20 is provided with a roller 23, the roller 23 is clamped on the inner wall of the bayonet 22, the inner side of the spindle 12 is provided with an inner groove 24, the inner side of the second gear 11 is provided with a pin groove 26, one end of the clamping pin 25 is connected with the inner wall of the inner groove 24 through a second spring 27, the pin groove 26 is positioned at the outer side of the other end of the clamping pin 25, the clamping groove 19 is communicated with the inner groove 24 through a Tesla valve 28, when the clamping pin is used, the motor 4 drives the magnetic plate 6 to rotate, the magnetic plate 6 transmits magnetic force to the magnetic block 7 through the magnetic plate 18, the magnetic force drives the magnetic block 7 to rotate, the main shaft 12 drives the clamping block 20 to rotate, the clamping block 20 pushes the bayonet 22 under the elasticity of the first spring 21, the bayonet 22 drives the first gear 10 to rotate, the first gear 10 drives the toothed ring 15 to rotate through the third gear 13 to drive the rotary rod 9, when the resistance of the rotary rod 9 is larger, the clamping block 20 is compressed to the inner side of the clamping groove 19 by the bayonet 22 when the reaction force of the bayonet 22 is larger than the elasticity of the first spring 21, abrasion of the clamping block 20 and the bayonet 22 is reduced through the rotation of the roller 23, the fixture block 20 extrudes the hydraulic oil in the clamping groove 19 to the inner side of the inner groove 24 through the Tesla valve 28, and then the clamping pin 25 is pushed to the inner side of the pin groove 26, because the gear two 11 drives the reduction ratio of the toothed ring 15 through the gear four 14 to be larger, the reaction force of the clamping pin 25 to the pin groove 26 is smaller, and then the rotating rod 9 is driven to rotate slowly, when the chemical raw materials reduce resistance due to temperature, reaction and other factors during reaction, the spring one 21 pushes the fixture block 20, the fixture block 20 is clamped into the inner side of the bayonet 22, the rotating rod 9 sequentially passes through the toothed ring 15, the gear three 13 and the gear one 10, when the resistance of the clamping rod 20 to the spring one 10 is smaller than the thrust of the spring one 21 to the bayonet 22, the main shaft 12 drives the gear three 13 through the gear one 10, and then drives the rotating rod 9 to rotate rapidly through the toothed ring 15, meanwhile, the clamping pin 25 is separated from the gear two 11 under the suction force of the hydraulic oil in the inner groove 24, the rotating rod 9 can be automatically adjusted according to the change of the resistance of the raw materials, the sufficient stirring efficiency of the fixture block 9 is ensured, the stirring efficiency of the motor is ensured, the magnetic stirring efficiency of the magnetic stirring plate 6 is guaranteed, the magnetic stirring efficiency of the magnetic stirring plate 7 is effectively guaranteed, and the magnetic stirring plate 7 is guaranteed, and the work efficiency is guaranteed, and the safety is guaranteed.

In this embodiment, the sealing cover 2 is installed at the top of the can body 1 through screw thread sealing, the supporting sleeve 3 is installed at the top of the can body 1 through quantity, the motor 4 is installed at the top of the supporting sleeve 3 through bolts, the magnetic plate 6 is installed at the inner side of the supporting sleeve 3, the output shaft of the motor 4 passes through the top of the supporting sleeve 3 and is installed at the center of the magnetic plate 6 through bolts, the top of the can body 1 is welded with the magnetic plate 18, the clamping sleeve 8 is welded on the inner wall of the top of the can body 1, the magnetic plate 6 and the magnetic block 7 are respectively arranged at the top and the bottom of the magnetic plate 18, the main shaft 12 is welded at the bottom of the magnetic block 7, the main shaft 12 is installed at the inner side of the clamping sleeve 8 through bearings, the first gear 10 and the second gear 11 are both sleeved at the outer side of the main shaft 12, the first gear 10 is installed at the bottom of the second gear 11, the toothed ring 15 is arranged on the inner side of the cutting sleeve 8 through a bearing, the top end of the rotating rod 9 passes through the bottom of the cutting sleeve 8 and is welded on the bottom of the toothed ring 15, the bottom of the rotating rod 9 extends to the bottom of the tank 1, the top of the tank 1 is welded with the air pipe 5, an electromagnetic valve is arranged on the air pipe 5, the outer side of the tank 1 is provided with a switch group 35 through a bolt, the switch group 35 is connected with the motor 4 and the electromagnetic valve through wires, when the resistance of raw materials is larger, the main shaft 12 can be driven to rotate through the magnetic block 7, the main shaft 12 drives the clamping block 20 to rotate, the clamping block 20 pushes the bayonet 22 under the elasticity of the spring one 21, the gear one 10 is driven to rotate, the gear three 13 is driven to rotate through meshing with the toothed ring 16, the rotating rod 9 is driven to rotate fast, when the resistance of the raw materials is larger, the resistance of the rotating rod 9 is enabled to be larger, when the magnetic field thrust of the magnetic plate 6 to the magnetic block 7 through the magnetic guide plate 18 is insufficient to push the main shaft 12 to rotate, the main shaft 12 drives the gear IV 14 through the gear II 11, and then drives the rotating rod 9 to rotate through the toothed ring 15, so that the reduction ratio is increased, the rotating torque of the rotating rod 9 is improved, the resistance of the main shaft 12 is reduced, the magnetic field thrust of the magnetic plate 6 to the magnetic block 7 through the magnetic guide plate 18 is further ensured to drive the rotating rod 9 to stir, the rotating speed of the rotating rod 9 is further adjusted according to the resistance of raw materials, the phenomenon that the motor drives the magnetic plate to idle due to overlarge resistance of the raw materials is avoided, the stirring work cannot be realized, the lower stirring speed is avoided due to the lower rotating speed of the rotating rod 9, and the mixing stirring work of different raw materials can be adapted.

The electric magnetic stirring device provides electric energy for all electric equipment through an external power supply, when the electric magnetic stirring device is used, the motor 4 drives the magnetic plate 6 to rotate, the magnetic plate 6 transmits magnetic force to the magnetic block 7 through the magnetic guide plate 18, the magnetic force is utilized to drive the magnetic block 7 to rotate, the main shaft 12 drives the clamping block 20 to rotate, the clamping block 20 pushes the clamping block 22 under the elasticity of the first spring 21, the clamping block 22 drives the first gear 10 to rotate, the first gear 10 drives the toothed ring 15 to rotate through the third gear 13, the rotating rod 9 is driven to rotate, when the resistance of the rotating rod 9 is larger, the reaction force of the clamping block 20 received by the clamping block 22 is larger than the elasticity of the first spring 21, the clamping block 20 is compressed to the inner side of the clamping groove 19 through the clamping block 22, abrasion of the clamping block 20 and the clamping block 22 is reduced through the rotation of the roller 23, the clamping block 20 extrudes hydraulic oil in the clamping groove 19 to the inner side of the inner groove 24 through the Tesla valve 28, the clamping pin 25 is pushed to the inner side of the pin groove 26, the gear II 11 drives the gear ring 15 through the gear IV 14 to have larger reduction ratio, so that the clamping pin 25 is subjected to smaller reaction force of the pin groove 26, and then the rotating rod 9 is driven to rotate slowly, when the resistance of the chemical raw materials is reduced due to factors such as temperature and reaction, the first spring 21 pushes the clamping block 20 to clamp the inner side of the bayonet 22, the resistance of the rotating rod 9 to the clamping block 20 sequentially passes through the gear ring 15, the gear III 13 and the gear I10 is smaller than that of the first spring 21 to push the bayonet 22 through the clamping block 20, the spindle 12 drives the gear III 13 through the gear I10, and then drives the rotating rod 9 to rotate rapidly through the gear ring 15, meanwhile, the clamping block 20 sucks hydraulic oil in the inner groove 24 to the inner side of the clamping groove 19, the clamping pin 25 is separated from the gear II 11 under the suction force of the hydraulic oil, the rotating speed of the rotating rod 9 can be automatically regulated according to the resistance change of the raw materials, the stirring efficiency of the rotating rod 9 is ensured, the sufficient stirring speed of the rotating rod 9 is ensured, the stirring efficiency is improved, the work safety of the motor 4 is protected, meanwhile, the effective power transmission work of the magnetic plate 6 and the magnetic block 7 is ensured, when the resistance of the raw materials is large, the magnetic block 7 can drive the main shaft 12 to rotate, the main shaft 12 drives the clamping block 20 to rotate, the clamping block 20 drives the bayonet 22 under the elasticity of the spring 21 so as to drive the gear one 10 to rotate, the gear one 10 drives the gear three 13 to rotate, the gear three 13 drives the toothed ring 15 to rotate through the meshing with the toothed pattern 16 so as to drive the rotating rod 9 to rotate quickly, when the resistance of the raw materials is large, the resistance of the rotating rod 9 is large, and the magnetic field thrust of the magnetic plate 6 to the magnetic block 7 through the magnetic guide plate 18 is insufficient to drive the main shaft 12 to rotate, the main shaft 12 drives the gear IV 14 through the gear II 11 and then drives the rotating rod 9 to rotate through the toothed ring 15, so that the reduction ratio is increased, the rotation torque of the rotating rod 9 is improved, the resistance of the main shaft 12 is reduced, the magnetic field thrust of the magnetic plate 6 to the magnetic block 7 through the magnetic guide plate 18 is further ensured to drive the rotating rod 9 to stir, the rotation speed of the rotating rod 9 is further regulated according to the resistance of raw materials, the phenomenon that the motor drives the magnetic plate to idle due to overlarge resistance of the raw materials is avoided, the stirring work cannot be realized, the stirring speed is lower due to lower rotation speed of the rotating rod 9, the stirring speed is further adapted to the mixing stirring work of different raw materials, when the hydraulic oil in the clamping groove 19 and the inner groove 24 is used for carrying out variable speed work, the oil pressure in the clamping groove 19 and the inner groove 24 is reduced after the work is stopped, the spring IV 33 pulls the piston 30 downwards, supplements the hydraulic oil in the inner cavity 29 to the inner sides of the clamping groove 19 and the inner groove 24, and when the hydraulic oil in the clamping groove 19 and the inner groove 24 rises due to the extrusion of the clamping block 20 and the clamping pin 25 during operation, the wedge block 31 in the piston 30 is clamped at the inner side of the wedge groove 34 under the elasticity of the spring III 32, so that the piston 30 is prevented from moving upwards, the pressure conduction operation of the hydraulic oil in the clamping groove 19 and the inner groove 24 is ensured, the situation that the pressure conduction operation of the clamping block 20 and the clamping pin 25 cannot be realized due to the loss of the hydraulic oil is effectively avoided, the smooth speed change operation is further ensured, the frequent disassembly of parts and the supplement of the hydraulic oil are not required, the manpower consumption is saved, and the working efficiency of equipment is ensured.

While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (10)

1. The utility model provides an electronic magnetic stirring device, includes jar body (1) and closing cap (2), install stirring subassembly on jar body (1), stirring subassembly includes motor (4) and bull stick (9), install magnetic force subassembly on jar body (1), magnetic force subassembly includes magnetic plate (6) and magnetic path (7), install fixed subassembly on jar body (1), fixed subassembly includes branch sleeve (3) and cutting ferrule (8), its characterized in that: install drive assembly on magnetic path (7), drive assembly includes main shaft (12) and gear train, the gear train includes gear one (10) and gear two (11), the speed change assembly is installed to the inboard of cutting ferrule (8), the speed change assembly includes gear three (13) and gear four (14), the promotion subassembly is installed on the top of bull stick (9), the promotion subassembly includes ring gear (15) and insection (16), automatic break away from the subassembly is installed to the inboard of main shaft (12), automatic break away from the subassembly and include fixture block (20) and bayonet lock (25).

2. An electric magnetic stirring device as set forth in claim 1, wherein: the sealing cover (2) is arranged at the top of the tank body (1) in a threaded sealing manner, the supporting sleeves (3) are arranged at the top of the tank body (1) in a quantity manner, the motor (4) is arranged at the top of the supporting sleeves (3) through bolts, the magnetic plate (6) is arranged at the inner side of the supporting sleeves (3), and an output shaft of the motor (4) penetrates through the top of the supporting sleeves (3) and is arranged at the center of the magnetic plate (6) through bolts.

3. An electric magnetic stirring device as set forth in claim 2 wherein: the magnetic conduction plate (18) is welded at the top of the tank body (1), the clamping sleeve (8) is welded on the inner wall of the top of the tank body (1), the magnetic plate (6) and the magnetic block (7) are respectively arranged at the top and the bottom of the magnetic conduction plate (18), the main shaft (12) is welded at the bottom of the magnetic block (7), and the main shaft (12) is arranged on the inner side of the clamping sleeve (8) through a bearing.

4. An electric magnetic stirring device as set forth in claim 3 wherein: the gear I (10) and the gear II (11) are both sleeved on the outer side of the main shaft (12), the gear I (10) is installed at the bottom of the gear II (11), the toothed ring (15) is installed on the inner side of the clamping sleeve (8) through a bearing, the top end of the rotating rod (9) penetrates through the bottom of the clamping sleeve (8) and is welded at the bottom of the toothed ring (15), and the bottom of the rotating rod (9) extends to the bottom of the tank body (1).

5. An electric magnetic stirring device as set forth in claim 4 wherein: the inside welding of cutting ferrule (8) has support (17), gear three (13) and gear four (14) are all installed on support (17) through the bearing, gear one (10) meshes with gear three (13), gear two (11) meshes with gear four (14), insection (16) are seted up on the inner wall of ring gear (15), gear three (13) and gear four (14) all mesh with insection (16).

6. An electric magnetic stirring device as set forth in claim 1, wherein: clamping grooves (19) are formed in the inner side of the main shaft (12), clamping holes (22) are formed in the inner side of the first gear (10), one end of the clamping block (20) is connected with the inner wall of the clamping grooves (19) through a first spring (21), the other end of the clamping block (20) extends to the inner side of the clamping holes (22), rollers (23) are mounted at the other end of the clamping block (20), and the rollers (23) are clamped on the inner wall of the clamping holes (22).

7. An electric magnetic stirring device as set forth in claim 6 wherein: an inner groove (24) is formed in the inner side of the main shaft (12), a pin groove (26) is formed in the inner side of the gear II (11), one end of the clamping pin (25) is connected with the inner wall of the inner groove (24) through a spring II (27), the pin groove (26) is located on the outer side of the other end of the clamping pin (25), and the clamping groove (19) is communicated with the inner groove (24) through a Tesla valve (28).

8. An electric magnetic stirring device as set forth in claim 7 wherein: an inner cavity (29) is formed in the inner side of the top of the main shaft (12), a piston (30) is formed in the inner wall of the inner cavity (29), the bottom of the piston (30) is connected with the bottom of the inner cavity (29) through a spring IV (33), the bottom of the inner cavity (29) is communicated with the inner groove (24), and hydraulic oil is filled in the clamping groove (19), the inner groove (24) and the inner side of the inner cavity (29).

9. An electric magnetic stirring device as set forth in claim 8 wherein: wedge blocks (31) are clamped on the inner side of the piston (30), wedge grooves (34) are formed in the inner wall of the inner cavity (29), one end of each wedge block (31) is connected with the inner side of the piston (30) through a spring III (32), and the other end of each wedge block (31) penetrates through the inner side of the piston (30) and is clamped on the inner side of each wedge groove (34).

10. An electric magnetic stirring device as set forth in claim 1, wherein: the top welding of jar body (1) has trachea (5), install the solenoid valve on trachea (5), switch group (35) are installed through the bolt to the outside side of jar body (1), switch group (35) are connected with motor (4) and solenoid valve through the electric wire.