CN114161576A - Stirring mechanism and vertical shaft planetary stirrer - Google Patents
Stirring mechanism and vertical shaft planetary stirrer Download PDFInfo
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- CN114161576A CN114161576A CN202111255213.5A CN202111255213A CN114161576A CN 114161576 A CN114161576 A CN 114161576A CN 202111255213 A CN202111255213 A CN 202111255213A CN 114161576 A CN114161576 A CN 114161576A
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- 238000003756 stirring Methods 0.000 title claims abstract description 208
- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 claims abstract description 45
- 230000006835 compression Effects 0.000 claims description 27
- 238000007906 compression Methods 0.000 claims description 27
- 239000003638 chemical reducing agent Substances 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000002829 reductive effect Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
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- 230000002441 reversible effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0806—Details; Accessories
- B28C5/0831—Drives or drive systems, e.g. toothed racks, winches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/02—Controlling the operation of the mixing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention provides a stirring mechanism and a vertical shaft planetary stirrer, wherein the stirring mechanism comprises a mounting seat and stirring units which are arranged on the periphery of the mounting seat at intervals along the circumferential direction; wherein, stirring unit includes sleeve, rabbling arm and stirring vane, and the top of rabbling arm is installed in the sleeve along axial sliding, and the bottom of rabbling arm stretches out and connects stirring vane from the sleeve, is connected with elasticity prepressing piece between the top of rabbling arm and the sleeve, and elasticity prepressing piece can exert thrust in advance to the rabbling arm along the axial. According to the invention, the elastic pre-pressing piece with the pre-thrust is arranged in the sleeve to oppose to the material thrust on the stirring blade, so that the release of the clamping stagnation material can be automatically realized, the abrasion of the clamping stagnation material on the stirring blade is reduced, and the service life of the stirring blade is prolonged.
Description
Technical Field
The invention belongs to the technical field of concrete mixers, and particularly relates to a mixing mechanism and a vertical shaft planetary mixer.
Background
The vertical shaft planetary stirrer adopts a planetary transmission principle, the stirring arm of the vertical shaft planetary stirrer rotates and revolves, no stirring low-efficiency region and dead region exist, the stirring is intense, and the vertical shaft planetary stirrer can be more suitable for stirring of superfine materials; with the vigorous development of economic construction in China, the vertical shaft planetary stirrer is widely applied to industries such as PC components, pipe piles, glass, ceramics and the like.
The vertical shaft planetary mixer mainly comprises a motor, a speed reducer, a mixing blade, a mixing drum, a discharging door device and other parts; the motor drives the stirring blades to do circular motion through the speed reducer, and can perform forced stirring effects such as shearing, extruding, rolling, throwing and the like on the materials in the stirring cylinder; because of the clearance between stirring vane and the barrel is less, often there is the more sharp-pointed hard material card of part between stirring vane and barrel, causes the stirring vane jamming, and the stirring resistance increases, and motor current sharply rises, if card material operating mode can not in time release, then probably causes irreversible damage to stirring vane and churn to destroy risks such as other functional modules, and then cause the mixer trouble, influence production.
Disclosure of Invention
Aiming at the defects or shortcomings in the prior art, the invention provides a stirring mechanism and a vertical shaft planetary stirrer, and aims to solve the technical problems that the existing stirring blades are easy to block materials and aggravate the abrasion of the stirring blades in the stirring process.
In order to achieve the above object, the present invention provides a stirring mechanism including a mount and a plurality of stirring units arranged at intervals in a circumferential direction on an outer periphery of the mount;
the sleeve comprises a sleeve cavity in which an elastic prepressing piece is arranged;
the top end of the stirring arm can be axially and slidably arranged in the sleeve cavity, the bottom end of the stirring arm extends out, and the elastic prepressing piece elastically acts on the top end of the stirring arm and applies axial prepressing force; and
and the stirring blade is arranged at the bottom end of the stirring arm.
In the embodiment of the invention, the stirring unit is connected with the mounting seat through a connecting shaft, the stirring unit further comprises a stirring arm main body arranged on the outer wall of the top of the sleeve, and the stirring arm main body is arranged at one end, far away from the mounting seat, of the connecting shaft through an end cover.
In an embodiment of the present invention, the elastic pre-pressing member is a compression spring, and a pressure sensor is connected between the top inner wall of the sleeve and the compression spring, and the pressure sensor is configured to detect a magnitude of a pre-thrust of the compression spring.
In an embodiment of the present invention, an angle between the stirring blade and a central axis of the stirring arm ranges from 0 ° to 60 °.
In an embodiment of the invention, the stirring arm comprises a first stirring arm and a second stirring arm which are connected in an axial direction, the diameter of the first stirring arm is larger than that of the second stirring arm, the first stirring arm is in sliding contact with the sleeve, the bottom of the sleeve is open and closed with a flange cover for supporting the bottom of the first stirring arm, and the flange cover is provided with a through hole for the second stirring arm to pass through.
In the embodiment of the invention, the flange cover and the sleeve are connected in a sealing way by adopting a sealing ring.
In the embodiment of the invention, the bottom of the sleeve is sealed by an oil seal, and the oil seal is embedded in the flange cover.
In an embodiment of the invention, the side wall of the sleeve is provided with a lubrication oil filling port.
In an embodiment of the invention, the inner side wall of the sleeve is axially arranged with a guide, and the outer side wall of the rabble arm is in sliding contact fit with the guide.
In an embodiment of the present invention, a vertical shaft planetary mixer is further provided, where the vertical shaft planetary mixer includes a cylinder, and a rotation driving device, a rotation stirring device, and a revolution stirring device that are disposed in the cylinder, where the rotation stirring device includes a plurality of stirring mechanisms as described above and uniformly arranged in a circumferential direction; the rotation driving device is used for driving the rotation stirring device to rotate and revolve at the same time and the revolution stirring device to revolve.
In an embodiment of the invention, the rotation driving mechanism comprises a motor, a coupler and a planetary gear reducer which are electrically connected in sequence, the mounting seat in the stirring mechanism is connected with a planetary gear of the planetary gear reducer, and the rotation of the planetary gear is used for driving the rotation stirring device to rotate and revolve around a central axis of the planetary gear reducer.
In an embodiment of the present invention, the revolving stirring device includes a revolving stirring arm body that is mounted on an outer periphery of a casing of the speed reducer, the revolving stirring arm being rotatable about a rotational central axis of the motor.
In an embodiment of the present invention, the vertical axis planetary mixer further comprises an electronic control system and an alarm electrically connected to each of the pressure sensors, the electronic control system being configured to:
receiving the pre-thrust sent by the pressure sensor;
comparing the pre-thrust with a preset thrust value, and controlling the alarm to give an alarm when the pre-thrust exceeds a preset range value;
and when the pre-thrust is within a preset range, controlling a display interface to display the pressure value in green.
In an embodiment of the invention, the electronic control system is further configured to:
and acquiring the pre-thrust force sent by each pressure sensor, and calculating the friction force between the material and the cylinder body.
Through the technical scheme, the stirring mechanism provided by the embodiment of the invention has the following beneficial effects:
the stirring device comprises a mounting seat, a plurality of stirring units, a stirring arm, an elastic prepressing piece, a spring, a prepressing and a spring, wherein the plurality of stirring units are uniformly arranged on the periphery of the mounting seat along the circumferential direction; when the stirring blades clamp materials, the stirring blades bear the thrust F of the clamping stagnation materials, the thrust F can be decomposed into horizontal force and vertically upward force, when the vertically upward force is larger than the pre-thrust force, the stirring arms overcome the pre-thrust force of the elastic pre-pressing piece to move upwards along the axial direction, and the stirring blades can release the clamping stagnation materials; when the clamping stagnation material is released, the vertical upward material thrust borne by the stirring arm disappears, and the stirring arm restores to a normal working state under the action of the pre-thrust of the elastic pre-pressing piece. According to the invention, the elastic pre-pressing piece with the pre-thrust is arranged in the sleeve to oppose to the material thrust on the stirring blade, so that the release of the clamping stagnation material can be automatically realized, the abrasion of the clamping stagnation material on the stirring blade is reduced, and the service life of the stirring blade is prolonged.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
FIG. 1 is a schematic diagram of a stirring mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view, partially in section, of an agitation mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a vertical axis planetary mixer according to one embodiment of the present invention.
Description of the reference numerals
100 stirring mechanism 21 flange cover
10 stirring unit 22 oil seal
11 sleeve 23 sealing ring
12 stirring arm 24 lubricating oil filling port
121 first stirring arm 25 mounting seat
122 second stirring arm 200 rotation driving device
13 stirring blade 201 motor
14 elastic preload 202 coupling
15 stirring arm main body 203 planetary gear speed reducer
16 end cover 300 revolution stirring arm main body
17 connecting shaft 400 autorotation stirring device
18 pressure sensor 500 cylinder
19 guide 600 material
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.
The stirring mechanism and the vertical shaft planetary stirrer according to the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1 and 2, in an embodiment of the present invention, there is provided a stirring mechanism 100, the stirring mechanism 100 including a mounting seat 25 and stirring units 10 arranged at intervals in a circumferential direction on an outer periphery of the mounting seat 25; the stirring unit 10 comprises a sleeve 11, a stirring arm 12 and stirring blades 13, the top end of the stirring arm 12 is axially slidably mounted in the sleeve 11, the bottom end of the stirring arm 12 extends out of the sleeve 11 and is connected with the stirring blades 13, an elastic prepressing piece 14 is connected between the top end of the stirring arm 12 and the sleeve 11, and the elastic prepressing piece 14 can axially apply prepressing force to the stirring arm 12.
Specifically, a plurality of stirring units 10 are uniformly arranged at intervals on the periphery of the mounting seat 25 along the circumferential direction, the stirring arm 12 is mounted in the sleeve 11, the bottom end of the stirring arm 12 extends out of the sleeve 11 and is provided with the stirring blade 13, the stirring blade 13 is used for stirring the material 600, an elastic prepressing piece 14 is connected between the top end of the stirring arm 12 and the top wall of the sleeve 11, the elastic prepressing piece 14 applies a vertically downward prepressing force to the top of the stirring arm 12 towards one side of the bottom end of the stirring arm 12 along the axial direction, and the prepressing force is balanced with the thrust generated by the material 600, so that the stirring blade 13 can achieve the purpose of stirring the material 600; when the stirring blades 13 clamp materials, the stirring blades 13 bear the thrust F of the clamping stagnation materials 600, the thrust F can be decomposed into horizontal force and vertically upward force, when the vertically upward force is greater than the pre-thrust force, the stirring arms 12 overcome the pre-thrust force of the elastic pre-pressing piece 14 and move upwards along the axial direction, and the stirring blades 13 can release the clamping stagnation materials 600; after the clamping stagnation material 600 is released, the vertical upward thrust of the material 600 on the stirring arm 12 disappears, and the stirring arm 12 recovers to a normal working state under the action of the pre-thrust of the elastic pre-pressing piece 14. According to the invention, the elastic prepressing piece 14 with the prepressing force is arranged in the sleeve 11 to oppose to the thrust of the material 600 borne by the stirring blade 13, so that the release of the clamping stagnation material 600 can be automatically realized, the abrasion of the clamping stagnation material 600 to the stirring blade 13 is reduced, and the service life of the stirring blade 13 is prolonged.
In the embodiment of the present invention, the stirring unit 10 is connected to the mounting seat 25 through the connecting shaft 17, the stirring unit 10 further includes a stirring arm main body 15 mounted on the top outer wall of the sleeve 11, and the stirring arm main body 15 is mounted on one end of the connecting shaft 17 far away from the mounting seat 25 through the end cover 16. Preferably, as shown in fig. 1, the periphery of the mounting seat 25 has three connecting shafts 17, the connecting shafts 17 are arranged obliquely downward at a certain angle, the included angle of the extension line between any two adjacent connecting shafts 17 is 120 °, and then the three connecting shafts 17 can be uniformly distributed, so that the uniform interval distribution of the stirring blades around the vertical center line of the mounting seat 25 can be realized.
In the embodiment of the present invention, the elastic pre-pressing member 14 is a compression spring, and a pressure sensor 18 is connected between the top inner wall of the sleeve 11 and the compression spring, and the pressure sensor 18 is used for detecting the pre-pushing force of the compression spring. When the compression spring is installed, the compression spring is first set to a partial compression amount so that there is a pre-thrust on the agitating arm 12.
When the compression spring works for a period of time, the possibility of failure exists, and the pressure sensor 18 is arranged at the bottom of the compression spring, so that the change of the pre-pushing force F0 of the compression spring can be sensed; whether the pressure value of perception is in a reasonable interval to judge whether the quality of spring is invalid, realize buffer's self-induction function, when thrust F0 obviously reduces, can judge that the compression spring probably loses efficacy. In other embodiments, a displacement sensor may be used to measure the displacement of the stirring arm 12, and if the displacement range of the stirring arm 12 exceeds a certain range, the usage of the compression spring may be determined. This embodiment can make the clamping stagnation material 600 when the thrust Fy of vertical direction is greater than F0 through the pre-thrust F0 who sets up the spring, and the rabbling arm 12 will overcome compression spring's pre-thrust and upwards make axial motion, avoids compression spring flexible frequently, influences compression spring's life.
In other embodiments, the main body of the agitating arm 12 for applying the pre-thrust may be changed, for example, a cylinder may be used instead of the compression spring, and a certain amount of compressed air may be provided in the cylinder to generate a certain pre-thrust, so that the same buffering effect as in the present embodiment can be achieved.
In the embodiment of the present invention, as shown in fig. 2, the angle Φ between the stirring vanes 13 and the central axis of the stirring arm 12 ranges from 0 ° to 60 °. When the stirring blades 13 clamp materials, the stirring blades 13 bear the thrust F of the clamping stagnation materials 600, and the thrust F is decomposed into a horizontal force Fx and a vertical force Fy; the pre-thrust of the compression spring is downward, so that the pre-thrust of the compression spring can be resisted with an upward vertical force Fy, when the vertical force Fy is greater than the pre-thrust F0 of the compression spring, the stirring arm 12 overcomes the pre-thrust of the compression spring and moves upwards in an axial direction, and the stirring blade 13 can release the clamping stagnation material 600; after the stuck material 600 at the position of the stirring blade 13 is released, the reverse thrust F borne by the stirring arm 12 disappears, and the stirring arm 12 returns to the normal working state under the action of the pre-thrust F0 of the compression spring.
In the embodiment of the present invention, the stirring arm 12 includes a first stirring arm 121 and a second stirring arm 122 connected in an axial direction, a diameter of the first stirring arm 121 is larger than a diameter of the second stirring arm 122, the first stirring arm 121 is in sliding contact with the sleeve 11, a bottom opening of the sleeve 11 is closed by a flange cover 21 for supporting a bottom of the first stirring arm 121, and the flange cover 21 is provided with a through hole for the second stirring arm 122 to pass through. The flange cover 21 and the sleeve 11 are connected by fasteners (such as screws, bolts, etc.), and the flange cover 21 supports the bottom end of the first stirring arm 121 to prevent the first stirring arm 121 from extending outside the sleeve 11, while the second stirring arm 122 can freely pass through the sleeve 11.
In the embodiment of the present invention, the flange cover 21 and the sleeve 11 are hermetically connected by the sealing ring 23 to improve the sealing performance between the flange cover 21 and the sleeve 11.
In the embodiment of the present invention, the bottom of the sleeve 11 is sealed with an oil seal 22 to prevent impurities from entering the inside of the sleeve 11, wherein the oil seal 22 is embedded in the flange cover 21.
In the embodiment of the present invention, the side wall of the sleeve 11 is provided with the grease filling port 24, and grease can be filled along the inside wall of the sleeve 11 through the grease filling port 24 to increase lubricity between the guide member 19 and the agitating arm 12.
In the embodiment of the present invention, the inner side wall of the sleeve 11 is provided with a guide 19 in the axial direction, and the outer side wall of the stirring arm 12 is fitted in sliding contact with the guide 19. The guide piece 19 and the sleeve 11 are locked by a fastening piece, wherein the guide piece 19 can be a guide rail, so that the stirring arm 12 can axially move along the guide rail to ensure that the rotating motion track of the stirring blade 13 is not influenced by a buffer device; in other embodiments, the guide 19 may be a square sleeve 11 or a bearing instead of a guide rail, which enables the stirring arm 12 to move in the axial direction according to the sleeve 11 or the bearing.
In an embodiment of the present invention, a vertical shaft planetary mixer is also provided, as shown in fig. 3, the vertical shaft planetary mixer includes a cylinder 500, and a rotation driving device 200, a rotation stirring device 400 and a revolution stirring device which are arranged in the cylinder 500, wherein the rotation stirring device 400 includes a plurality of stirring mechanisms 100 as described above which are uniformly arranged along a circumferential direction; the rotation driving device 200 serves to drive the rotation stirring device 400 to simultaneously rotate and revolve and the revolution stirring device to revolve.
In the embodiment of the present invention, the rotation driving mechanism includes a motor 201, a coupler 202, and a planetary gear reducer 203, which are electrically connected in sequence, and the mounting seat 25 in the stirring mechanism 100 is connected to a planetary gear of the planetary gear reducer 203, and the rotation of the planetary gear is used to drive the rotation stirring device 400 to rotate and revolve around the central axis of the planetary gear reducer 203.
In the normal stirring process, power is output to the planetary gear reducer 203 through the coupler 202 by the motor 201, the planetary gear reducer 203 drives the rotation stirring device 400 to simultaneously rotate and circumferentially rotate around the central axis of the planetary gear reducer 203, in the rotation process, the plurality of stirring blades 13 in the rotation stirring device 400 stir the material 600, the revolution of the rotation stirring device 400 can expand the stirring range of the stirring blades 13, the omission of the material 600 in dead corners is prevented, and the stirring uniformity is improved. The planetary gear reducer 203 comprises an inner gear ring, a sun gear is arranged at the center of the inner gear ring, the centers of the sun gear and the inner gear ring are overlapped, three planetary gears are uniformly arranged between the sun gear and the inner wall gear teeth of the inner gear ring, and the three planetary gears are meshed with the inner side walls of the sun gear and the inner gear ring; when the planetary gear reducer 203 is driven by the side-in power to drive the sun gear, the planetary gears can be driven to rotate, and at the same time, the three planetary gears revolve along the center along the track of the inner gear ring, so that the rotation and revolution of the planetary gears on the planetary gear reducer 203 are realized, and the rotation stirring device 400 is installed on the planetary gears, so that the planetary gears can drive the rotation stirring device 400 to rotate and revolve.
In the embodiment of the present invention, the revolving stirring device includes a revolving stirring arm body 300, the revolving stirring arm body 300 is installed on the outer periphery of the casing of the planetary gear reducer 203, the revolving stirring arm 12 can rotate around the rotation central axis of the motor 201, when the motor 201 is turned on, the motor 201 drives the planetary gear reducer 203 to rotate, so that the revolving stirring arm 12 installed on the outer sidewall of the casing of the planetary gear reducer 203 can rotate around the rotation central axis of the motor 201.
In an embodiment of the invention, the vertical axis planetary mixer further comprises an electronic control system and an alarm electrically connected to each pressure sensor 18, the electronic control system being configured to:
receiving the pre-thrust from the pressure sensor 18;
comparing the preset thrust with a preset thrust value, and controlling an alarm to give an alarm when the preset thrust exceeds a preset range value;
and when the pre-thrust is within the preset range, controlling the display interface to display the pressure value in green.
In the electric control system, the pressure value of the pressure sensor 18 can be set to a certain reasonable interval, and when the pressure value of the pressure sensor 18 is in the range, the pressure value in the control system interface is displayed to be green; when the pressure value of the pressure sensor 18 exceeds the reasonable interval, the pressure value is displayed in red, and an alarm is controlled to give an alarm; thereby realizing the self-induction function of the buffer device.
In an embodiment of the invention, the electronic control system is further configured to:
the pre-thrust force from each pressure sensor 18 is obtained and the friction between the material 600 and the cylinder 500 is calculated.
Through set up pressure sensor 18 in compression spring's bottom, also can be to rabbling mechanism 100 at the in-process of stirring different materials 600, collect and the analysis to thrust F0 data in advance, and then deduce the frictional force of different materials 600 and the barrel 500 of mixer, stir the basis of stirring blade 13 structure and material as the improvement, in order to reach the purpose that different materials 600 used the stirring blade 13 of different materials, promote stirring blade 13's adaptability, price/performance ratio and life.
In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (14)
1. A stirring mechanism, characterized in that, the stirring mechanism comprises a mounting seat (25) and a plurality of stirring units (10) arranged at the periphery of the mounting seat (25) along the circumferential direction at intervals, the stirring units (10) comprise:
a sleeve (11) comprising a sleeve cavity in which an elastic prepressing (14) is arranged;
the top end of the stirring arm (12) is axially slidably mounted in the sleeve cavity, the bottom end of the stirring arm extends out, and the elastic prepressing piece (14) elastically acts on the top end of the stirring arm (12) and applies axial prepressing force; and
and the stirring blade (13) is arranged at the bottom end of the stirring arm (12).
2. The stirring mechanism as recited in claim 1, characterized in that the stirring unit (10) is connected with the mounting seat (25) through a connecting shaft (17), the stirring unit (10) further comprises a stirring arm main body (15) mounted on the outer wall of the top of the sleeve (11), and the stirring arm main body (15) is mounted on one end of the connecting shaft (17) far away from the mounting seat (25) through an end cover (16).
3. The mixing mechanism according to claim 1, wherein the resilient biasing member (14) is a compression spring, and a pressure sensor (18) is connected between the top inner wall of the sleeve (11) and the compression spring, the pressure sensor (18) being adapted to detect the amount of biasing force of the compression spring.
4. The stirring mechanism according to claim 1, characterized in that the angle between the stirring blade (13) and the central axis of the stirring arm (12) ranges from 0 ° to 60 °.
5. The stirring mechanism according to claim 1, wherein the stirring arm (12) comprises a first stirring arm (121) and a second stirring arm (122) which are connected in an axial direction, the diameter of the first stirring arm (121) is larger than that of the second stirring arm (122), the first stirring arm (121) is in sliding contact with the sleeve (11), the bottom of the sleeve (11) is open and closed with a flange cover (21) for supporting the bottom of the first stirring arm (121), and the flange cover (21) is provided with a through hole for the second stirring arm (122) to pass through.
6. Stirring mechanism according to claim 5, wherein the flange cover (21) and the sleeve (11) are sealingly connected by means of a sealing ring (23).
7. Stirring mechanism according to claim 5, wherein the bottom of the sleeve (11) is sealed with an oil seal (22), said oil seal (22) being embedded in the flange cover (21).
8. Stirring mechanism according to any of claims 1 to 7, characterised in that the side wall of the sleeve (11) is provided with a lubrication oil filling opening (24).
9. Stirring mechanism according to any of claims 1 to 7, characterized in that the inner side wall of the sleeve (11) is axially arranged with guides (19), and the outer side wall of the stirring arm (12) is in sliding contact engagement with the guides (19).
10. A vertical shaft planetary mixer, characterized in that the vertical shaft planetary mixer comprises a cylinder (500), and a rotary driving device (200), a self-rotation mixing device (400) and a revolution mixing device which are arranged in the cylinder (500), wherein the self-rotation mixing device (400) comprises a plurality of mixing mechanisms (100) which are uniformly arranged along the circumferential direction and are as set forth in any one of claims 1 to 9; the rotation driving device (200) is used for driving the rotation stirring device (400) to rotate and revolve at the same time and the revolution stirring device to revolve.
11. A vertical axis planetary mixer according to claim 10 wherein the rotary drive mechanism includes a motor (201), a coupling (202) and a planetary gear reducer (203) electrically connected in series, the mounting (25) of the mixer mechanism (100) being connected to the planetary gear of the planetary gear reducer (203), the rotation of the planetary gear being adapted to rotate the self-rotating mixer (400) and revolve around the central axis of the planetary gear reducer (203).
12. A vertical axis planetary mixer according to claim 11 wherein said revolving agitator comprises a revolving agitator arm body (300), said revolving agitator arm body (300) being attached to the outer periphery of the casing of said speed reducer (203), said revolving agitator arm (12) being rotatable about the central axis of rotation of said motor (201).
13. A vertical axis planetary mixer according to claim 10 further including an electronic control system and an alarm electrically connected to each of the pressure sensors (18), the electronic control system being configured to:
receiving a pre-thrust force emitted by the pressure sensor (18);
comparing the pre-thrust with a preset thrust value, and controlling the alarm to give an alarm when the pre-thrust exceeds a preset range value;
and when the pre-thrust is within a preset range, controlling a display interface to display the pressure value in green.
14. The vertical shaft planetary mixer of claim 13 wherein the electronic control system is further configured to:
and acquiring the pre-thrust force emitted by each pressure sensor (18), and calculating the friction force between the material (600) and the cylinder (500).
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| CN202111255213.5A CN114161576A (en) | 2021-10-27 | 2021-10-27 | Stirring mechanism and vertical shaft planetary stirrer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111255213.5A CN114161576A (en) | 2021-10-27 | 2021-10-27 | Stirring mechanism and vertical shaft planetary stirrer |
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| CN114161576A true CN114161576A (en) | 2022-03-11 |
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| CN113021631A (en) * | 2019-12-24 | 2021-06-25 | 广东博智林机器人有限公司 | Stirring device |
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2021
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| WO2003097226A1 (en) * | 2002-05-15 | 2003-11-27 | Rapid International Limited | Improvements relating to planetary mixers for concrete material |
| CN103817796A (en) * | 2014-03-11 | 2014-05-28 | 福建南方路面机械有限公司 | Helical blade type vertical-shaft planetary mixing machine |
| CN106179013A (en) * | 2016-09-09 | 2016-12-07 | 青岛迪凯机械设备有限公司 | A kind of planet-style wheel roller blender |
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