CN108816077B - Heatable continuous stirrer - Google Patents
Heatable continuous stirrer Download PDFInfo
- Publication number
- CN108816077B CN108816077B CN201810970243.6A CN201810970243A CN108816077B CN 108816077 B CN108816077 B CN 108816077B CN 201810970243 A CN201810970243 A CN 201810970243A CN 108816077 B CN108816077 B CN 108816077B
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- stirring
- electric heating
- heating plate
- electrode
- tooth
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- 238000003756 stirring Methods 0.000 claims abstract description 145
- 238000005485 electric heating Methods 0.000 claims abstract description 89
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- 238000003780 insertion Methods 0.000 claims description 26
- 230000037431 insertion Effects 0.000 claims description 26
- 230000007246 mechanism Effects 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 6
- 238000010030 laminating Methods 0.000 abstract description 2
- 239000000919 ceramic Substances 0.000 description 15
- 239000000463 material Substances 0.000 description 10
- 239000000758 substrate Substances 0.000 description 8
- 239000010426 asphalt Substances 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/93—Heating or cooling systems arranged inside the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/38—Mixing of asphalt, bitumen, tar or pitch or their ingredients
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the technical field of stirring devices, in particular to a heatable continuous stirrer. This kind of heatable mixer, including stirring vane, stirring arm, its characterized in that: still include the electrical heating board, the electrical heating board is located between stirring vane and the stirring arm, and electrical heating board and stirring vane heat conduction laminating. The electric heating plate has the advantages of high heating efficiency, uniform heating, long service life, low temperature regulation hysteresis, and rapid and accurate regulation.
Description
Technical Field
The invention relates to the technical field of stirring devices, in particular to a heatable continuous stirrer.
Background
At present, a continuous stirring cylinder of a core component in continuous asphalt mixture stirring equipment adopts a long and narrow structural form, the temperature control precision in the cylinder is lower, and as asphalt is a temperature-sensitive material, the temperature is too low to realize the uniform mixing of binders, and too high temperature can cause ageing damage of asphalt molecules, so that the service performance of the structure is affected.
In order to solve the above problems, the chinese patent with the issued publication number CN 205308172U discloses an energy-saving self-control thermal insulation asphalt mixer, which is characterized in that: mainly including stirring barrel, heat preservation coating, temperature sensor, temperature regulator, heating device, power device, speed reduction steering device, (mixing) shaft, stirring paddle, stirring barrel top is provided with pitch holding vessel, feed inlet, stirring barrel is close to bottom department and is provided with the discharge gate, power device is connected with speed reduction steering device, power device is connected with the drive (mixing) shaft, the drive (mixing) shaft is connected with stirring paddle, stirring barrel outer wall scribbles heat preservation coating, stirring barrel outer wall still is provided with temperature sensor, temperature sensor is connected with temperature regulator, temperature regulator is connected with heating device, be provided with the mix temperature setting button on the heating device. The current controllable pitch mixer of temperature, temperature sensor and heating device all locate on the jar wall of agitator bowl, and there is certain deviation volume in the temperature of jar wall and jar interior pitch to there is great hysteresis quality at temperature regulation and control in-process, and heating device fixes in a certain position of jar wall, and it is uneven to jar interior pitch heating, and temperature regulation and control effect is relatively poor.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the heatable stirrer which is high in heating efficiency, accurate in temperature regulation and control, high in regulation and control speed and long in service life.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a heatable mixer, includes stirring vane, stirring arm, its characterized in that: still include the electrical heating board, the electrical heating board is located between stirring vane and the stirring arm, and electrical heating board and stirring vane heat conduction laminating.
Further, the stirring vane is provided with a groove for accommodating the electric heating plate, and the electric heating plate is tightly embedded in the groove.
Further, the cell wall of the groove is provided with a clamping groove, one end of the clamping groove is provided with an opening, the side face of the electric heating plate is provided with clamping strips matched with the clamping groove, and the clamping strips of the electric heating plate are inserted into the clamping groove through the opening of the clamping groove and are installed in the groove.
Further, the electric heating plate, the stirring blade and the stirring arm are detachably connected.
The utility model provides a mixer with controllable heating, includes stirring vane, stirring arm, its characterized in that: the stirring blade is characterized by further comprising an electric heating plate, wherein the electric heating plate is poured into the stirring blade.
Further, the electric heating plate is provided with a first conductive plug-in connection part, the stirring arm is provided with a second conductive plug-in connection part, the first conductive plug-in connection part and the second conductive plug-in connection part can be in conductive plug-in connection relatively, and the second plug-in connection part is connected with a power supply circuit of the electric heating plate.
Further, the first conductive plug-in connection part comprises a first tooth-shaped structure arranged on the electric heating plate and a first electrode arranged on the first tooth-shaped structure, the first electrode is electrically connected with the electric heating plate, the second conductive plug-in connection part comprises a second tooth-shaped structure arranged on the stirring arm and a second electrode arranged on the second tooth-shaped structure, and the second electrode is electrically connected with a power supply circuit of the stirring arm.
Further, the first toothed structure and the second toothed structure are tooth rows with teeth vertically distributed, the first toothed structure and the second toothed structure can be meshed with each other in the vertical direction in a staggered mode to change the vertical relative positions of the electric heating plate and the stirring arm, and then the vertical relative positions of the stirring blades and the stirring arm after the stirring blades and the stirring arm are installed are changed.
Further, the first tooth-shaped structure is provided with two first electrodes, the second tooth-shaped structure is provided with two second electrodes, each first electrode corresponds to each second electrode one by one, and the area of each first electrode is smaller than that of each second electrode, so that the first tooth-shaped structure and the second tooth-shaped structure ensure that the first electrode can be connected with the corresponding second electrode and only connected with the corresponding second electrode when the first tooth-shaped structure and the second tooth-shaped structure are connected in staggered mode.
Further, a wire passing hole through which a power supply line of the power supply heating plate passes is formed in the stirring arm, and the wire passing hole extends along the length direction of the stirring arm.
Further, a temperature sensor and a PLC controller are also arranged, and the temperature sensor is arranged on the electric heating plate and connected with the PLC controller.
Further, stirring vane includes main blade and side blade, main blade and side blade realize dismantling the connection through slide rail mechanism, slide rail mechanism includes guide slot and guide rail, guide slot and guide rail are located on the main blade one of them, and the other locates on the side blade.
Further, the stirring arm comprises an upper arm section and a lower arm section, one of the upper arm section and the lower arm section is provided with an insertion part, the other one of the upper arm section and the lower arm section is provided with an insertion position matched with the insertion part, the insertion parts can be installed into the insertion positions at different angles, and the relative rotation direction between the upper arm section and the lower arm section is limited after the insertion parts are inserted into the insertion positions.
Further, the stirrer is a continuous stirrer or a batch stirrer.
As can be seen from the above description of the present invention, compared with the prior art, the heatable stirrer provided by the present invention has the advantages that the electric heating plate is arranged between the stirring blade and the stirring arm, and the electric heating plate heats the material through the inside, so that the heating efficiency is high, and the energy loss is small; the electric heating plate rotates along with the stirring blade to uniformly heat the materials in the stirring cylinder; most of the surface of the electric heating plate is covered by the stirring blades and the stirring arms, so that the scouring abrasion and corrosion of materials to the electric heating plate are avoided; the plug-in structure of the electric heating plate is easy to replace; the power supply circuit of the electric heating plate is arranged in the wire passing hole of the stirring arm, and the hidden structure is not easy to damage; the electric heating plate is meshed with the stirring arms through the toothed structures, and the electrodes are positioned in the two toothed structures, and the toothed structures have a limiting effect, so that the electrodes are accurately and firmly connected; the temperature sensor is integrated on the electric heating plate, the regulation hysteresis is small, the temperature sensor also rotates along with the stirring blade, and the measured temperature value is more accurate; the split type design of the stirring blade enables the section of the stirring blade to be adjustable and the vulnerable part to be independently replaced; the split type design of stirring arm makes stirring vane work angle who is located on the stirring arm easily adjust and angle adjustment degree of accuracy is high.
Drawings
FIG. 1 is a schematic view showing a detachable state of a heatable agitator according to the present invention.
FIG. 2 is a schematic diagram showing the combination of a heatable agitator according to the present invention.
FIG. 3 is a schematic view showing a state in which the stirring blade and the electric heating plate are detached.
FIG. 4 is a schematic partial cross-sectional view of the connection of the stirring blade and the stirring arm according to the present invention.
FIG. 5 is a schematic view showing the separation state of the stirring blade according to the present invention.
Fig. 6 is a schematic view showing a detached state of the stirring arm according to the present invention.
Fig. 7 is a schematic view of an embodiment of an electric heating plate according to the present invention.
Fig. 8 is a schematic diagram of a second embodiment of an electric heating plate according to the present invention.
The labels correspond to the following: stirring blade 1, groove 11, groove bottom 12, clamping groove 13, stopper 14, main blade 15, side blade 16, slide rail mechanism 17, guide groove 171, guide rail 172, positioning portion 1721 and connecting portion 1722, first locking mechanism 18, first screw hole 181, first locking screw 182, stirring arm 2, second toothed structure 21, second electrode 211, second ceramic insulating ring 212, wire passing hole 22, upper arm segment 23, insertion portion 231, positioning rail 232, lower arm segment 24, insertion position 241, positioning groove 242, second locking mechanism 25, second screw hole 251, second locking screw 252, electric heating plate 3, heat generating surface 31, clamping bar 32, first toothed structure 33, first electrode 331, first ceramic insulating ring 332, ceramic substrate 34a, heating wire 35a, cast aluminum substrate 34b, tubular electric heating element 35b, and temperature sensor 4.
Detailed Description
The invention is further described below by means of specific embodiments.
Referring to fig. 1 to 8, a heatable stirrer, which is exemplified by a continuous asphalt stirrer, comprises a stirring blade 1, a stirring arm 2, an electric heating plate 3, a temperature sensor 4, and a PLC controller.
The electric heating plate 3 is of a rectangular plate-shaped structure, the electric heating plate 3 is arranged between the stirring blade 1 and the stirring arm 2, the electric heating plate 3 is provided with a heating surface 31 which is in heat conduction fit with the stirring blade 1, the bottom surface of the electric heating plate 3 forms the heating surface 31, the top surface of the electric heating plate 3 is in fit with the stirring arm 2 after being installed, the stirring blade 1 is provided with a groove 11 for accommodating the electric heating plate 3, the groove 11 is provided with a groove bottom 12 in heat conduction fit with the electric heating plate 3, two sides of the bottom of the groove 12 are provided with clamping grooves 13, one end of each clamping groove 13 is provided with an opening, two sides of the electric heating plate 3 are provided with convex clamping strips 32 which are matched with the clamping grooves 13, and the clamping strips 32 of the electric heating plate 3 are inserted into the clamping grooves 13 through the openings of the clamping grooves 13 and are installed into the grooves 11; the stirring blade 1 is respectively provided with a limiting block 14 at two sides above the groove 11, a stirring arm 2 can be accommodated between the two limiting blocks 14 for installation, the stirring arm 2 is arranged between the two limiting blocks 14 for installation, the electric heating plate 3 is clamped between the stirring arm 2 and the stirring blade 1, the electric heating plate 3 and the stirring arm 2 are respectively provided with a perforation, and bolts penetrate through the perforations to detachably fix the stirring blade 1, the electric heating plate 3 and the stirring arm 2 by locking with nuts; the side of the electric heating plate 3 opposite to the stirring arm 2 is provided with a first toothed structure 33, the side of the stirring arm 2 opposite to the electric heating plate 3 is provided with a second toothed structure 21 meshed with the first toothed structure 33, the first toothed structure 33 is provided with a first electrode 331 connected with the electric heating plate, the second toothed structure 21 is provided with a second electrode 211, the second electrode 211 is connected with a power supply circuit of the electric heating plate 3, and when the stirring blade 1, the electric heating plate 3 and the stirring arm 2 are fixed, the first toothed structure 33 is meshed and matched with the second toothed structure 21, and meanwhile, the first electrode 331 and the second electrode 211 are contacted with each other; the first ceramic insulating ring 332 is arranged at the connecting part of the first electrode 331 and the first toothed structure 33, the second ceramic insulating ring 212 is arranged at the connecting part of the second electrode 211 and the second toothed structure 21, and the first ceramic insulating ring 332 and the second ceramic insulating ring 212 can prevent the first electrode 331 and the second electrode 211 from leaking to the first toothed structure 33 and the second toothed structure 21; the first tooth-shaped structure 33 and the second tooth-shaped structure 21 are tooth rows with teeth vertically arranged, the first tooth-shaped structure 33 and the second tooth-shaped structure 21 can be meshed in a staggered manner in the vertical direction to change the vertical relative positions of the electric heating plate 3 and the stirring arm 2, so that the vertical relative positions of the stirring blades 1 and the stirring arm 2 after being installed are changed, the first tooth-shaped structure 33 is provided with two first electrodes 331, the second tooth-shaped structure 21 is provided with two second electrodes 211, each first electrode 331 corresponds to each second electrode 211 one by one, the area of the first electrode 331 is smaller than that of the second electrode 211, and the first electrode 211 can be connected with the corresponding second electrode 211 and only connected with the corresponding second electrode 211 when the first tooth-shaped structure 33 and the second tooth-shaped structure 21 are connected in staggered manner; a wire passing hole 22 through which a power supply circuit of the power supply heating plate 3 passes is formed in the stirring arm 2, the wire passing hole 22 extends along the length direction of the stirring arm 2, the power supply circuit is arranged in the wire passing hole 22, one end of the power supply circuit is connected to the second electrode 211, and the other end of the power supply circuit extends out of the stirring arm 2 to the inside of the stirring shaft and is sent to the outside through the wire passing hole in the stirring shaft; the temperature sensor 4 is integrated on the electric heating plate 3, the temperature sensor 4 is a K-type thermocouple or a J-type thermocouple, a temperature signal acquired by the temperature sensor 4 is transmitted to the PLC through a signal wire, and the signal wire is arranged in the wire through hole 22; the power supply connection between the electric heating plate 3 and the stirring arm 2 can also be matched by adopting a quick power plug, for example, the electric heating plate 3 is provided with pins, and the joint of the stirring arm 2 and the electric heating plate is provided with corresponding jacks.
The specific structure of the electric heating plate 3 provides two specific embodiments: (a) The electric heating plate 3 comprises a ceramic substrate 34a and an electric heating wire 35a embedded in the ceramic substrate 34a, wherein the electric heating wire 35a is arranged in a blank body when the ceramic substrate 34a is positioned in a ceramic blank body, a heating part of the electric heating wire 35a is sealed in the ceramic substrate 34a after the ceramic blank body is fired and molded, and heat of the electric heating wire 35a is transferred to the ceramic substrate 34a when the electric heating wire 35a works and is uniformly transferred to the stirring blade 1 by the ceramic substrate 34 a; (b) The electric heating plate 3 comprises a cast aluminum base plate 34b and a tubular electric heating element 35b, wherein the tubular electric heating element 35b is in a bent shape, and a heating part of the tubular electric heating element 35b is hermetically arranged in the cast aluminum base plate 34b and is integrally cast with the cast aluminum base plate 34 b.
The electric heating plate 3 may also be directly cast into the stirring vane 1 to achieve connection.
The stirring blade 1 comprises a main blade 15 and a side blade 16, the main blade 15 and the side blade 16 are detachably connected through a sliding rail mechanism 17, the sliding rail mechanism 17 comprises a guide groove 171 and a guide rail 172, the guide rail 172 is arranged on the side blade 16, the guide groove 171 is arranged on the main blade 15 as an example, the guide rail 172 is a linear guide rail, the guide rail 172 comprises a positioning part 1721 and a connecting part 1722, the positioning part 1721 is connected with the side blade 16 through the connecting part 1722, the maximum section width of the positioning part 1721 is larger than the section width of the connecting part 1722, and the section of the positioning part 1721 is one of circular, polygonal and irregular; two sides of the main blade 15 are respectively provided with a guide groove 171 which is arranged in a penetrating way, and the section shape of the guide groove 171 is matched with the guide rail 172; the main blade 15 is also provided with a first locking mechanism 18, the first locking mechanism 18 comprises a first screw hole 181 penetrating into the guide groove 171, a first locking screw 182 arranged in the first screw hole 181, and after the guide rail 172 is arranged in the guide groove 171, the first locking screw 182 locks towards the inside of the guide groove 171 to tightly press and fix the guide rail 172 in the guide groove 171, so that the fixed connection between the main blade 15 and the side blade 16 is realized; the number of the side blades 16 is two, and the main blade 15 can be selected to be connected with the side blade 16 on one side or be connected with the side blade 16 on both sides or be disconnected with the side blade 16 on the other side so as to change the cross section shape of the stirring blade 1; one surface of the stirring vane 1 is a stirring surface, the other surface opposite to the stirring surface is a mounting surface, and the first locking mechanism 18 is arranged on the mounting surface, so that direct scouring abrasion of the first locking screw 182 during the working of the stirring vane 1 can be avoided.
The front section of the stirring arm 2 is of a plate-shaped structure, the stirring arm 2 comprises an upper arm section 23 and a lower arm section 24, the upper arm section 23 is connected with the stirring blade 1, the lower arm section 23 is connected with a stirring shaft, the upper arm section 23 and the lower arm section 24 are connected by adopting a shaft mounting mode, the upper arm section 23 is provided with an inserting part 231, the lower arm section 24 is provided with an inserting position 241, the inserting part 231 is provided with a plurality of positioning rails 232, the inserting position 241 is provided with a plurality of positioning grooves 242, the positioning grooves 242 are matched with the positioning rails 232, and the positioning rails 232 can be selectively inserted into different positioning grooves 242 to realize different angle positioning connection between the upper arm section 23 and the lower arm section 24, so that the adjustment of different stirring angles of the stirring blade 1 relative to the stirring shaft is realized; the positioning rails 232 are provided with a plurality of positioning grooves 242 with the same shape as the positioning rails 232 in number and uniformly distributed along the circumference of the insertion part 231, and the insertion positions 241 are internally provided with the positioning grooves 242 with the same shape as the positioning rails 232, so that the positioning rails 232 are matched with the different positioning grooves 242 to realize equal angle adjustment; for example, the number of the positioning rails 232 and the positioning grooves 242 is six, so that the positioning rails 232 are matched with different positioning grooves 242 to realize the adjustment and installation of 60-degree angle increment between the upper arm section 23 and the lower arm section 24; the lower arm section 24 is provided with a second locking mechanism 25, the second locking mechanism 25 comprises a second screw hole 251 penetrating into the insertion position 241, a second locking screw 252 arranged in the second screw hole 251, after the insertion part 231 is inserted into the insertion position 241, the second locking screw 252 is screwed into the second screw hole 251 to press the insertion part 231, so that the upper arm section 23 and the lower arm section 24 are fixed, the second locking mechanism 25 is provided with a plurality of groups, and the upper arm section 23 and the lower arm section 24 can be more firmly fixed; the insertion portion 231 and the insertion portion 241 may also be a polygonal insertion block and a polygonal insertion slot.
The working principle of the heatable stirrer is as follows: when the stirrer works, the temperature sensor 4 detects the real-time temperature of materials, a temperature signal is transmitted to the PLC in real time through a signal wire, the PLC controls the power supply circuit to control the electric heating plate 3 to heat, the electric heating plate 3 heats the materials through heat transfer of the stirring blade 1, and meanwhile, the PLC receives the feedback signal of the temperature sensor 4 in real time and adjusts the voltage of the power supply circuit to control the electric heating plate 3 to heat so as to achieve the most suitable stirring temperature; because the electric heating plate 3 moves along with the stirring vane 1 continuously, the temperature of the electric heating plate 3 is more uniform and rapid when being transferred to materials, the temperature sensor 4 is integrated on the electric heating plate 3, the material temperature signal received by the temperature sensor 4 is more accurate, and the regulation hysteresis of the PLC controller is reduced.
The electric heating plate 3 is clamped between the stirring vane 1 and the stirring arm 2 after being installed, the direct scouring of materials to the electric heating plate 3 is small, the service life of the electric heating plate 3 is long, the electric heating plate 3 is connected with the stirring vane 1 and the stirring arm 2 by bolts, and the electric heating plate 3 is easy to detach and replace when damaged. The power supply line is arranged in the wire passing hole 22 of the stirring arm 2, the material erosion can not be generated during operation, the stability is high, the electric heating plate 3 is matched with the first tooth-shaped structure 33 and the second tooth-shaped structure 21 which are arranged on the power supply line of the stirring arm 2, the two tooth-shaped structures are meshed to be positioned accurately, the accurate fit of the first electrode 331 and the second electrode 211 can be guaranteed to conduct the power supply line, a certain limiting effect can be realized after the two tooth-shaped structures are meshed, and the first electrode 331 and the second electrode 211 are prevented from relative movement during operation to cause disconnection.
The stirring vane 1 is formed by combining a main vane 15 and a side vane 16, the main vane 15 is detachably connected with the side vane 16 through a slide rail mechanism 17, and the main vane 15 can be provided with the side vane 16 on one side or provided with the side vane 16 on two sides or provided with no side vane 16 so as to realize different section shapes of the stirring vane 1; taking the side blades 16 installed on both sides of the main blade 15 as an example, compared with the main blade 15, the side blades 16 at both ends are more easily worn, and when the side blades 16 are too worn, the working capacity of the stirring blade 1 can be recovered only by disassembling and replacing the lower side blades 16, so that the whole stirring blade 1 is not required to be replaced, and the equipment operation cost is low.
The stirring arm 2 is divided into an upper arm section 23 and a lower arm section 24, the upper arm section 23 and the lower arm section 24 can be spliced by selecting different relative angles to change the angle of the stirring blade 1 connected with the stirring arm 2, the relative rotation between the upper arm section 23 and the lower arm section 24 is limited after a positioning rail 172 of the upper arm section 23 is inserted into a positioning groove 242 of the lower arm section 24, the stress area of the positioning rail 232 and the positioning groove 242 is larger, and the connecting part of the upper arm section 23 and the lower arm section 24 can bear larger torsion, namely the stirring blade 1 can bear larger work load; since the positioning grooves 242 are uniformly distributed on the circumference, the angle formed by the positioning rails 232 inserted into different positioning grooves 242 is a fixed value, and therefore, the inclination angle of each stirring vane 1 relative to the stirring shaft can be directly read out through the connection state of the upper arm section 23 and the lower arm section 24, and the positioning of the stirring vanes 1 is accurate.
The foregoing is merely one specific embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modification of the present invention by using the concept shall belong to the behavior of infringement of the protection scope of the present invention.
Claims (4)
1. The utility model provides a heatable mixer, includes stirring vane, stirring arm, its characterized in that: the electric heating plate is arranged between the stirring blade and the stirring arm, the electric heating plate is in heat conduction fit with the stirring blade, the stirring blade is provided with a groove for accommodating the electric heating plate, the electric heating plate is tightly embedded into the groove, the groove wall of the groove is provided with a clamping groove, one end of the clamping groove is provided with an opening, the side surface of the electric heating plate is provided with a clamping strip matched with the clamping groove, and the clamping strip of the electric heating plate is inserted into the clamping groove through the opening of the clamping groove to be installed in the groove; the electric heating plate is provided with a first conductive plug-in connection part, the stirring arm is provided with a second conductive plug-in connection part, the first conductive plug-in connection part and the second conductive plug-in connection part can be in conductive plug-in connection relatively, and the second point-to-point plug-in connection part is connected with a power supply circuit of the electric heating plate; the first conductive plug-in part comprises a first toothed structure arranged on the electric heating plate and a first electrode arranged on the first toothed structure, the first electrode is electrically connected with the electric heating plate, the second conductive plug-in part comprises a second toothed structure arranged on the stirring arm and a second electrode arranged on the second toothed structure, and the second electrode is electrically connected with a power supply circuit of the stirring arm; the first tooth-shaped structure and the second tooth-shaped structure are tooth rows with teeth vertically arranged, and the first tooth-shaped structure and the second tooth-shaped structure can be meshed with each other in a staggered manner in the vertical direction so as to change the vertical relative positions of the electric heating plate and the stirring arm, and further change the vertical relative positions of the stirring blades and the stirring arm after the stirring blades and the stirring arm are installed; the first tooth-shaped structure is provided with two first electrodes, the second tooth-shaped structure is provided with two second electrodes, each first electrode corresponds to each second electrode one by one, and the area of the first electrode is smaller than that of the second electrode, so that the first electrode can be connected with the corresponding second electrode and only connected with the corresponding second electrode when the first tooth-shaped structure is connected with the second tooth-shaped structure in a staggered manner; the electric heating plate is also provided with a temperature sensor and a PLC controller, wherein the temperature sensor is arranged on the electric heating plate and is connected with the PLC controller; the stirring blade comprises a main blade and a side blade, the main blade and the side blade are detachably connected through a sliding rail mechanism, the sliding rail mechanism comprises a guide groove and a guide rail, one of the guide groove and the guide rail is arranged on the main blade, and the other one of the guide groove and the guide rail is arranged on the side blade; the stirring arm comprises an upper arm section and a lower arm section, one of the upper arm section and the lower arm section is provided with an insertion part, the other one of the upper arm section and the lower arm section is provided with an insertion position matched with the insertion part, the insertion parts can be installed into the insertion positions at different angles, and the relative rotation direction between the upper arm section and the lower arm section is limited after the insertion parts are inserted into the insertion positions.
2. A heatable stirrer according to claim 1, wherein: the electric heating plate, the stirring blade and the stirring arm are detachably connected.
3. A heatable stirrer according to any one of claims 1 to 2, characterized in that: the stirring arm is internally provided with a wire passing hole for a power supply circuit of the power supply heating plate to pass through, and the wire passing hole extends along the length direction of the stirring arm.
4. A heatable stirrer according to any one of claims 1 to 2, characterized in that: the stirrer is a continuous stirrer or an intermittent stirrer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970243.6A CN108816077B (en) | 2018-08-24 | 2018-08-24 | Heatable continuous stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810970243.6A CN108816077B (en) | 2018-08-24 | 2018-08-24 | Heatable continuous stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108816077A CN108816077A (en) | 2018-11-16 |
| CN108816077B true CN108816077B (en) | 2024-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810970243.6A Active CN108816077B (en) | 2018-08-24 | 2018-08-24 | Heatable continuous stirrer |
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| CN (1) | CN108816077B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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