CN211709686U - Mixer loading attachment - Google Patents
Mixer loading attachment Download PDFInfo
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- CN211709686U CN211709686U CN201922120818.8U CN201922120818U CN211709686U CN 211709686 U CN211709686 U CN 211709686U CN 201922120818 U CN201922120818 U CN 201922120818U CN 211709686 U CN211709686 U CN 211709686U
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- hopper
- frame
- rack
- bracket
- limiting mechanism
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Abstract
The utility model discloses a feeding device of a stirrer, which comprises a material loading mechanism, wherein the material loading mechanism is arranged on a frame in a sliding way, a driving mechanism is fixedly arranged on the frame, and the driving mechanism is used for driving the material loading mechanism to vertically lift on the frame; the material loading mechanism comprises a hopper, the hopper is rotationally arranged on a hopper frame, and the hopper frame is arranged on the rack in a sliding manner; the hopper limiting mechanisms are horizontally arranged on the rack, and the outlet ends of the hoppers can rotate between the two hopper limiting mechanisms; the outlet end of the hopper is connected with the feed inlet of the stirrer; the hopper frame vertically moves upwards under the driving of the driving mechanism, so that the vertical up-and-down movement of the stirred materials is realized; the hopper and the hopper frame are arranged in a rotating mode, when the hopper rises to a set height, the hopper rotates towards one side in an inclined mode under the action of the hopper limiting mechanism, and materials roll down from the hopper and enter the stirring machine; need not to adopt the manpower to material handling, labour saving and time saving, the material loading efficiency is higher, and occupation space is little, convenient operation.
Description
Technical Field
The utility model belongs to the technical field of experimental facilities, in particular to mixer loading attachment.
Background
In the existing concrete indoor stirring equipment, most of the material loading ports are arranged more than 1.4m away from the ground, and the material loading ports are arranged higher; in an indoor stirring device with more than 40L, materials (such as cement, pebble, sand, fly ash and the like) required by single stirring are more than 50 Kg; at present, when an indoor experiment is carried out, the manual feeding is mostly adopted, the feeding process is time-consuming and labor-consuming, and the feeding efficiency is low.
SUMMERY OF THE UTILITY MODEL
To the technical problem who exists among the prior art, the utility model provides a mixer loading attachment to solve among the prior art technical problem that the material loading in-process is wasted time and energy, and the material loading is efficient low.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a feeding device of a stirrer, which comprises a frame, a material loading mechanism, a driving mechanism and a hopper limiting mechanism; the loading mechanism is arranged on the rack in a sliding manner, the driving mechanism is fixedly arranged on the rack, and the driving mechanism is used for driving the loading mechanism to vertically lift on the rack;
the material loading mechanism comprises a hopper, a hopper frame and an air spring, the hopper is rotatably arranged on the hopper frame, and the hopper frame is slidably arranged on the rack; the hopper limiting mechanism is horizontally arranged on the rack, and the axis direction of the hopper limiting mechanism is parallel to the rotating shaft of the hopper;
the hopper limiting mechanism comprises a first hopper limiting mechanism and a second hopper limiting mechanism, the first hopper limiting mechanism is arranged above the second hopper limiting mechanism, and the outlet end of the hopper can rotate between the first hopper limiting mechanism and the second hopper limiting mechanism; the outlet end of the hopper is connected with the feed inlet of the stirrer.
Further, still include the air spring, the air spring setting is between hopper and hopper frame, and the one end of air spring rotates with the bottom of hopper bottom plate to be connected, and the other end rotates with the hopper frame to be connected.
The hopper comprises two hopper side plates, a hopper bottom plate and a hopper extension plate, wherein the two hopper side plates are vertically arranged in parallel, the hopper bottom plate is arranged between the two hopper side plates, and the hopper bottom plate is an arc-shaped structural plate; the hopper extending plate is arranged on one side of the hopper bottom plate, one end of the hopper extending plate is fixedly connected with the hopper bottom plate in a tangent mode, the other end of the hopper extending plate is a free end, and the free end of the hopper extending plate can be connected with the hopper limiting mechanism; the hopper side plate is rotationally connected with the hopper frame.
Further, the device also comprises a material receiving mechanism; the receiving mechanism is obliquely arranged on one side of the rack, one end of the receiving mechanism is connected with the outlet end of the hopper, and the other end of the receiving mechanism is connected with the feeding hole of the stirrer; the receiving mechanism adopts a guide chute, the guide chute is obliquely arranged between the outlet end of the hopper and the feed inlet of the stirrer, one end of the guide chute is connected with the second hopper limiting mechanism, and the other end of the guide chute is connected with the feed inlet of the stirrer.
The first travel switch is arranged at the upper end of the rack and is positioned at the highest travel point of the loading mechanism; the second travel switch is arranged at the lower end of the rack, and the first travel switch and the second travel switch are both connected with the driving mechanism.
Further, the frame comprises a chassis, a bracket, a cross beam and two longitudinal beams, the chassis is horizontally arranged, and the bracket is vertically and fixedly arranged above the chassis;
the bracket comprises a first bracket, a second bracket, a third bracket and a fourth bracket which are vertically arranged in parallel, wherein the first bracket, the second bracket, the third bracket and the fourth bracket are distributed in a rectangular shape; the cross beam is horizontally arranged at the upper ends of the first bracket and the fourth bracket, one longitudinal beam is horizontally arranged between the first bracket and the second bracket, and the other longitudinal beam is horizontally arranged between the third bracket and the fourth bracket; the hopper limiting mechanism is horizontally arranged at the upper ends of the second bracket and the third bracket; the side wall of the bracket is provided with a roller groove, and the axis of the roller groove is parallel to the axis of the bracket; the end part of the hopper frame is provided with a roller which is arranged in a roller groove in a sliding way.
Furthermore, the rack is also provided with four bearing platforms, the lower ends of the bearing platforms are fixedly arranged above the chassis, and the four bearing platforms are respectively arranged near the lower ends of the first support, the second support, the third support and the fourth support and are positioned right below the hopper frame; the upper end of the bearing platform is provided with a rubber pad.
Further, the driving mechanism comprises a motor, a belt, a large belt wheel, a first transmission shaft, a second transmission shaft, a first gear, a second gear, two first cable winding drums, two second cable winding drums, a first steel cable, a second steel cable and a guide wheel;
the motor is fixedly arranged at the lower end of the rack, an output shaft of the motor is connected with the large belt wheel through a belt, and the large belt wheel is fixedly sleeved on the first transmission shaft; the first transmission shaft and the second transmission shaft are horizontally arranged in parallel, the first gear is fixedly sleeved on the first transmission shaft, the second gear is fixedly sleeved on the second transmission shaft, and the first gear is in meshed connection with the second gear; the two first cable winding drums are symmetrically arranged at two ends of the first transmission shaft, and the two second cable winding drums are symmetrically arranged at two ends of the second transmission shaft; the two first cable winding drums are respectively provided with a first steel cable, one end of each first steel cable is wound on the first cable winding drum, and the other end of each first steel cable is connected with the middle bottom of the hopper frame; the two second cable winding drums are respectively provided with a second steel cable, one end of each second steel cable is wound on the corresponding second cable winding drum, and the other end of each second steel cable is connected with the middle top of the hopper frame after bypassing the guide wheel; the leading wheel is fixedly arranged in the middle of the upper end of the frame.
Furthermore, the first hopper limiting mechanism and the second hopper limiting mechanism have the same structure, and the first hopper limiting mechanism or the second hopper limiting mechanism comprises a cylindrical roller shaft, a cylindrical roller and a propeller strut; the cylindrical roller shaft is horizontally arranged at the upper end of the rack, and two ends of the cylindrical roller shaft are respectively fixed on the rack through a propeller strut; the cylindrical roller is movably sleeved on the first cylindrical roller shaft.
Further, the walking mechanism is arranged at the bottom of the rack; the running mechanism comprises two fixable pulleys and two free pulleys, the two fixable pulleys are arranged at one end of the rack, and the two free pulleys are arranged at the other end of the rack.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a feeding device of a stirrer, which realizes the vertical up-and-down movement of the stirring materials by arranging the hopper frame on the frame in a sliding way, and arranging the hopper filled with the stirring materials on the hopper frame by moving the hopper frame vertically and upwards under the driving of the driving mechanism; the hopper and the hopper frame are arranged in a rotating mode, and after the hopper rises to a set height, the hopper rotates obliquely towards one side under the action of the first hopper limiting mechanism; under the action of the second hopper limiting mechanism, the hopper is kept inclined, so that the stirred materials roll down from the hopper and enter the stirrer; the utility model does not need to adopt manpower to vertically carry the stirred materials, thereby saving time and labor and having higher feeding efficiency; the hopper is vertically lifted under the action of the hopper frame, the structure is simple, the occupied space is small, and the operation is convenient.
Furthermore, through set up the air spring between hopper and hopper frame, at the hopper rotation in-process, stretch out and contract under the action at the air spring, realized the support of hopper and reset and retrieve, because the elastic action of air spring has eliminated the collision energy when colliding between hopper and the hopper stop gear simultaneously, has improved the stability of hopper.
Furthermore, the hopper is adopted for stirring and carrying materials, so that the flying of dust during cement or fly ash carrying is reduced, the cleanness of an operation site is ensured, and the occupational disease risk of operators is reduced; the bottom of the hopper is arranged to be of a circular arc structure, so that stirred materials can be poured out completely, and the feeding efficiency is improved.
Furthermore, the material receiving mechanism is arranged in an inclined mode, so that the purpose of feeding the stirring machines with different heights is achieved, and the application range of the feeding device is widened.
Furthermore, the roller groove is formed in the rack, the roller is arranged at the end part of the hopper frame, and the roller is slidably mounted in the roller groove, so that friction between the hopper frame and the rack is reduced, the material loading mechanism stably operates, and the phenomenon that the material loading mechanism is blocked in the lifting process is avoided.
Furthermore, the bearing platform with the rubber pad is arranged on the chassis, so that the stable landing of the material loading mechanism is ensured, and the rigid collision between the material loading mechanism and the rack is avoided.
Furthermore, the driving mechanism adopts a motor and a steel cable, the vertical lifting driving of the material loading mechanism is realized through the positive and negative rotation of the motor, the assistance of hydraulic pressure, air pressure and electric elements is not needed, the ascending and the dumping of the hopper are realized, the structure is simple, the operation is convenient, and the cost is lower.
Furthermore, the hopper limiting mechanism adopts the cylindrical rollers, so that the friction between the hopper and the hopper limiting mechanism is converted into rolling friction, the friction resistance is reduced, the clamping stagnation of the hopper and the hopper limiting mechanism is avoided, the hopper is more easily overturned, and stirred materials are poured.
Furthermore, the walking mechanism is arranged at the bottom of the frame, so that the feeding structure can be conveniently carried, and the two movable wheels are arranged, so that the feeding device can be moved and fixed, and is convenient to use and good in stability.
Drawings
FIG. 1 is an isometric view of a mixer feeder according to the present invention;
FIG. 2 is a front view of a feeding device of a blender according to the present invention;
FIG. 3 is a right side view of a feeding device of a blender according to the present invention;
FIG. 4 is a front view of a loading mechanism of a loading device of a blender according to the present invention;
fig. 5 is an isometric view of a loading mechanism in a mixer loading device according to the present invention;
fig. 6 is an exploded view of a loading mechanism in a feeding device of a blender according to the present invention.
The automatic feeding device comprises a machine frame 1, a loading mechanism 2, a driving mechanism 3, a hopper limiting mechanism 4, a receiving mechanism 5, a traveling mechanism 6, a first travel switch 7 and a second travel switch 8, wherein the first travel switch is connected with the first travel switch; 11 chassis, 12 brackets, 13 cross beams, 14 longitudinal beams, 15 bearing platforms, 16 rubber pads and 17 cover plates; 121 a first leg, 122 a second leg, 123 a third leg, 124 a fourth leg; 21 hoppers, 22 hopper frames, 23 gas springs and 24 rollers; 211 hopper side plates, 212 hopper bottom plates, 213 hopper extension plates; 31 motor, 32 belt, 33 big belt wheel, 34 first transmission shaft, 35 second transmission shaft, 36 first gear, 37 second gear, 38 first winding drum, 39 second winding drum, 310 first cable, 311 second cable, 312 guide wheel; 41 a first hopper limiting mechanism and 42 a second hopper limiting mechanism; 401 a propeller strut, 402 a cylindrical roller, 403 a cylindrical roller shaft; 61 may be fixed pulleys, 62 pulleys.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in the attached drawings 1-6, the utility model provides a mixer feeding device, which comprises a frame 1, a loading mechanism 2, a driving mechanism 3, a hopper limiting mechanism 4, a receiving mechanism 5, a traveling mechanism 6, a first travel switch 7 and a second travel switch 8;
the frame 1 is arranged on the ground and is positioned near the stirrer; the loading mechanism 2 is arranged on the rack 1 in a sliding manner, and the driving mechanism 3 is fixedly arranged at the lower end of the rack 1; the output end of the driving mechanism 3 is connected with the material loading mechanism 2 and is used for driving the material loading mechanism 2 to vertically lift on the rack 1; the hopper limiting mechanism 4 is horizontally arranged at a preset height position on one side of the rack 1 and used for limiting the upward or downward rotation of the material loading mechanism 2 so as to enable the stirred materials in the material loading mechanism 2 to be poured out; the receiving mechanism 5 is arranged on one side of the material loading mechanism 2, one end of the receiving mechanism 5 is connected with the material loading mechanism 2, and the other end of the receiving mechanism 5 is connected with a feeding hole of the stirring machine; the traveling mechanism 6 is arranged at the bottom of the rack 1, so that the feeding device can move conveniently; the first travel switch 7 and the second travel switch 8 are both arranged on the frame 1, are respectively connected with the driving mechanism 3, and are used for controlling the opening and closing of the driving mechanism 3.
The frame 1 comprises a chassis 11, a bracket 12, a cross beam 13, two longitudinal beams 14, four bearing platforms 15, rubber pads 16 and a cover plate 17; the chassis 11 is horizontally arranged, the support 12 is vertically and fixedly arranged above the chassis 11, and the support 12 and the chassis 11 are fixed by welding; the bracket 12 comprises a first bracket 121, a second bracket 122, a third bracket 123 and a fourth bracket 124 which are vertically arranged in parallel, wherein the first bracket 121, the second bracket 122, the third bracket 123 and the fourth bracket 124 are distributed in a rectangular shape; the cross beam 13 is horizontally welded at the upper ends of the first bracket 121 and the fourth bracket 124, one longitudinal beam 14 is horizontally welded between the first bracket 121 and the second bracket 122, and the other longitudinal beam 14 is horizontally welded between the third bracket 123 and the fourth bracket 124; the hopper limiting mechanism 4 is horizontally arranged at the upper ends of the second bracket 122 and the third bracket 123; a roller groove is arranged on the side wall of the bracket 12, and the axis of the roller groove is parallel to the axis of the bracket 12; the end part of the hopper frame 22 is provided with a roller 24, the roller 24 is arranged in a roller groove in a sliding way, the cover plate 17 is arranged in the roller groove in a buckling way, the stable operation of the roller 24 in the roller groove is ensured, and the cover plate 17 is fixedly connected with the bracket 12 by adopting bolts.
The four bearing platforms 15 are respectively arranged near the lower ends of the first support 121, the second support 122, the third support 123 and the fourth support 124 and are positioned right below the hopper frame 22; the lower end of the bearing platform 15 is welded and fixed above the chassis 11, the bearing platform 15 and the chassis 11 are welded and fixed, the upper end of the bearing platform 15 is provided with a rubber pad 16, the height of the bearing platform 15 is greater than that of the driving mechanism 3, the contact between the hopper frame 22 and the driving mechanism 3 in the descending process is avoided, and the driving mechanism 3 is guaranteed to be complete in structure and good in operation; by arranging the rubber pad 16, the hopper frame 22 and the bearing platform 15 are in soft contact, and rigid collision between the hopper frame and the bearing platform is avoided.
The material loading mechanism 2 comprises a hopper 21, a hopper frame 22 and an air spring 23, the hopper 21 is rotatably arranged on the hopper frame 22, the hopper frame 22 is slidably arranged on the frame 1, and the outlet end of the hopper 21 is connected with the feeding hole of the stirrer.
The hopper 21 comprises two hopper side plates 211, a hopper bottom plate 212 and a hopper extension plate 213, the two hopper side plates 211 are vertically arranged in parallel, the hopper bottom plate 212 is arranged between the two hopper side plates 211, and the hopper bottom plate 212 is an arc-shaped structural plate; the hopper extension plate 213 is arranged on one side of the hopper bottom plate 212, one end of the hopper extension plate 213 is fixedly connected with the hopper bottom plate 212 in a tangent mode, the other end of the hopper extension plate 213 is a free end, and the free end of the hopper extension plate 213 can be connected with the hopper limiting mechanism 4; the hopper side plate 211 is rotatably connected to the hopper frame 22.
The outer sides of the hopper side plates 211 are respectively provided with an extension shaft, the extension shafts are matched with bearing bushes and are arranged on a lower bearing seat of the hopper frame 22, an upper bearing seat covers the bearing bushes, and the upper bearing seat and the lower bearing seat are fixedly connected by screws, so that the hopper 21 is ensured to be inclined and turned over through the extension shafts; the gas spring 23 is arranged between the hopper 21 and the hopper frame 22, one end of the gas spring 23 is rotatably connected with the bottom of the hopper bottom plate 212, and the other end of the gas spring 23 is rotatably connected with the hopper frame 22; the extending end of the gas spring 23 is arranged on a pin shaft hole at the bottom of the hopper 31 through a pin shaft and a cotter pin, and the base end of the gas spring 23 is arranged on the pin shaft hole on the hopper frame through the pin shaft and the cotter pin.
The driving mechanism 3 comprises a motor 31, a belt 32, a large belt wheel 33, a first transmission shaft 34, a second transmission shaft 35, a first gear 36, a second gear 37, two first cable winding drums 38, two second cable winding drums 39, a first steel cable 310, a second steel cable 311 and a guide wheel 312;
the motor 31 is fixedly arranged at the lower end of the frame 1, an output shaft of the motor 31 is connected with a large belt wheel 33 through a belt 32, and the large belt wheel 33 is fixedly sleeved on a first transmission shaft 34; the first transmission shaft 34 and the second transmission shaft 35 are horizontally arranged in parallel, the first gear 36 is fixedly sleeved on the first transmission shaft 34, the second gear 37 is fixedly sleeved on the second transmission shaft 35, and the first gear 36 is meshed with the second gear 37; two first cable winding drums 38 are symmetrically arranged at two ends of the first transmission shaft 34, and two second cable winding drums 39 are symmetrically arranged at two ends of the second transmission shaft 35; the two first cable winding drums 38 are respectively provided with a first steel cable 310, one end of the first steel cable 310 is wound on the first cable winding drum 38, and the other end of the first steel cable 310 is connected with the middle bottom of the hopper frame 22; the two second cable winding barrels 39 are respectively provided with a second steel cable 311, one end of the second steel cable 311 is wound on the second cable winding barrel 39, and the other end of the second steel cable 311 is connected with the middle top of the hopper frame 22 after passing around the guide wheel 312; the guide wheel 312 is fixedly arranged in the middle of the upper end of the frame 1.
The motor 31 adopts a servo motor, the belt 32 adopts a V-shaped belt, the guide wheel 312 adopts a fixed pulley, and the fixed pulley is fixedly arranged on the longitudinal beam 14; in the transmission process, the servo motor transmits power to the large belt wheel through the V belt, the large belt wheel drives the first transmission shaft to rotate, and the power of the first transmission shaft is transmitted to the second transmission shaft under the meshing condition of the first gear and the second gear; the two ends of the first transmission shaft and the second transmission shaft are respectively provided with a cable winding cylinder, one end of a first steel cable is clockwise wound on the first cable winding cylinder, and the other end of the first steel cable is tied on the bottom of the hopper frame; one end of a second steel cable is clockwise wound on the second cable winding drum, and the other end of the second steel cable penetrates through the fixed pulley block and is tied to the upper part of the hopper frame; therefore, the power transmits the material loading mechanism around the cable drum and the steel cable, and the material loading mechanism moves up and down.
The hopper limiting mechanism 4 comprises a first hopper limiting mechanism 41 and a second hopper limiting mechanism 42, the first hopper limiting mechanism 41 is arranged above the second hopper limiting mechanism 42, and the outlet end of the hopper 21 can rotate between the first hopper limiting mechanism 41 and the second hopper limiting mechanism 42; the hopper limiting mechanism 4 comprises a cylindrical roller shaft 401, a cylindrical roller 402 and a propeller strut 403; the cylindrical roller shaft 401 is horizontally arranged at the upper end of the rack 1, and two ends of the cylindrical roller shaft 401 are respectively fixed on the rack 1 through a propeller strut 403; the cylindrical roller 402 is movably sleeved on the cylindrical roller shaft 401.
The receiving mechanism 5 is obliquely arranged on one side of the frame 1, one end of the receiving mechanism 5 is connected with the outlet end of the hopper 21, and the other end of the receiving mechanism 5 is connected with the feeding hole of the stirrer; the inclination angle of the material receiving mechanism 5 is adjustable; the receiving mechanism 5 adopts a guide chute, the guide chute is obliquely arranged between the outlet end of the hopper 21 and the feed inlet of the stirrer, and one end of the guide chute is connected with the second hopper limiting mechanism 42.
The traveling mechanism 6 is arranged at the bottom of the frame 1; the running gear 6 comprises two fixable pulleys 61 and two free pulleys 62, the two fixable pulleys 61 are arranged at one end of the frame 1, and the two free pulleys 62 are arranged at the other end of the frame 1.
The first travel switch 7 is arranged at the lower end of the middle part of the cross beam 13 and is positioned at the highest travel point of the loading mechanism 2, and the first travel switch 7 is connected with the motor; the second travel switch 8 is arranged in the rubber pad 16, and the second travel switch 8 is connected with the driving mechanism 3; when the feeding frame rises to the highest point, the upper end of the feeding frame touches a first travel switch, the first travel switch sends a signal, the motor is stopped by holding a shaft, and the loading mechanism hovers; when the material loading mechanism falls to the lowest position, the bottom of the material loading frame is in contact with the rubber pad and touches the second travel switch, so that the servo motor is powered off, and the shaft is held and stopped.
Working principle and using method
The material carrying mechanism in the feeding device of the stirrer realizes vertical ascending and descending actions along the frame under the driving of the driving mechanism, and the positive rotation of the starting motor drives the hopper and the hopper frame to vertically move upwards; in the vertical ascending stage of the hopper and the hopper frame, when the hopper ascends to a preset position, a hopper extending plate of the hopper is contacted with a cylindrical roller of a first hopper limiting mechanism fixedly arranged on a support, at the moment, the hopper frame continues to ascend, the cylindrical roller of the first hopper limiting mechanism forces the hopper to turn over on the hopper frame, an air spring arranged between the hopper and the hopper frame contracts and then stretches, and when the air spring stretches, the hopper is forced to turn over; when the hopper frame continues to ascend, the first travel switch arranged at the upper end of the frame is touched, the first travel switch sends a signal, the motor is stopped by holding the shaft, and the material carrying mechanism hovers; the outlet end of the hopper is contacted with the second hopper limiting mechanism, and stirred materials in the hopper are poured out from the hopper; stirring materials enter the stirrer through the material receiving mechanism arranged on the support to be stirred.
When the hopper is in a turnover state, the projection on the horizontal plane of the hopper can be lengthened, so that the hopper extension plate can contact the cylindrical roller of the first hopper limiting mechanism; after the stirred materials are poured, the motor rotates reversely to drive the hopper and the hopper frame to move downwards; in the vertical descending process of the hopper and the hopper frame, the cylindrical roller of the second hopper limiting mechanism acts on the hopper extension plate and forces the hopper to reset under the action of the air spring; in the process, the gas spring is shortened and then stretched, when the gas spring is stretched, the reset of the feeding hopper can be promoted, and when the hopper is reset, the gas spring can enable the hopper to be more stable; when the hopper frame just falls above the bearing platform, the second travel switch in the rubber pad is touched, the motor is turned off, and the feeding is completed.
The principle of the hopper rotation and overturning is as follows:
establishing a coordinate system xoy by taking the rotation center of the hopper as an original point o, taking the horizontal right direction as the positive direction of an x axis and taking the vertical upward direction as the positive direction of a y axis; the apex of the hopper extension plate 213 is A; the distance between the projection of the top point of the hopper extension plate on the x axis and the origin is marked as a, the included angle between the oA and the positive direction of the y axis is beta, and the top point of the hopper extension plate rotates in the first quadrant region and the second quadrant region; the distance from the projection of the cylindrical roller of the first hopper limiting mechanism to the origin o on the x axis is recorded as b; the distance from the projection of the cylindrical roller of the second hopper limiting mechanism to the origin o on the x axis is recorded as c; the hopper should satisfy the conditions under the initial state: b<a<c, the cylindrical roller of the first hopper limiting mechanism can be in contact with the hopper extension plate when the loading mechanism ascends and enables the hopper to turn clockwise, and the cylindrical roller of the second hopper limiting mechanism cannot be in contact with the hopper; recording the included angle between the oA and the y axis of the hopper in the initial state as beta0Then the maximum angle of rotation β max of oA; when the maximum angle of the hopper is inclined, the conditions are met: 90 degree<βmax<180°-β0. If beta ismax>180°-β0It may happen that the hopper extension plate loses the blocking effect of the cylindrical roller of the first hopper stop means, i.e. a, when the loading means has not reached the highest designated position<And b, resetting the hopper when the hopper is not completely poured. When the hopper is dumped at a maximum angle, the condition should be met: a is>c, the hopper extension plate can be obliquely lapped on the cylindrical roller of the second hopper limiting mechanism; the utility model is middle 90 degrees<α≤180°,0°<γ<90 degrees; when the hopper extension plate moves between the cylindrical rollers of the first hopper limiting mechanism and the second hopper limiting mechanism, the height difference between the cylindrical rollers of the first hopper limiting mechanism and the second hopper limiting mechanism can enable the material loading mechanism to reach the designated highest point.
The utility model discloses a mixer feeding device, when the feeding operation is carried out during the concrete mixing experiment, the feeding device is firstly arranged at a proper place; one end of the guide chute is hung on the cylindrical roller of the second hopper limiting mechanism, and the other end of the guide chute is erected on the feeding hole of the stirrer; the stirring materials are loaded in the hopper, the motor is started, the hopper loaded with the stirring materials and the hopper frame are driven to vertically ascend through the action of the first steel cable and the second steel cable, when the hopper reaches a set position, the hopper extension plate is contacted with the cylindrical roller of the first hopper limiting mechanism, at the moment, the hopper frame continuously ascends, and the hopper is obliquely overturned under the action of the cylindrical roller of the first hopper limiting mechanism; when the material loading mechanism rises to the highest point, the first travel switch is touched to send a signal, so that the motor is stopped by holding the shaft, and the material loading mechanism hovers. At the moment, the hopper inclines to the maximum and is lapped on the cylindrical roller of the second hopper limiting mechanism, and stirred materials are slowly scratched into the guide chute from the hopper and then enter the stirrer; after the stirred materials in the hopper are dumped, the servo motor is started reversely, the material loading mechanism falls, the cylindrical roller of the second hopper limiting mechanism gives an upward acting force to the hopper extension plate to enable the hopper to rotate reversely, and the gas spring enables the hopper to recover the initial state; and when the material loading mechanism falls to the lowest position, the second travel switch is touched, so that the servo motor is powered off, the shaft is held to stop, and the material transportation is completed.
The utility model discloses a feeding device of a stirrer, which realizes the dumping and resetting actions of a hopper through the assistance of simple air pressure and electric elements; the hopper and the hopper frame vertically lift and feed, compared with the prior conveyor belt type feeding equipment which enables a feeding part to incline in the project, the vertical lifting feeding device occupies less space and saves experimental site; the utility model discloses well adoption hopper carries the material, and during delivery cement and fly ash, the dust of kicking up is less, makes the job site cleaner, has reduced the risk that operating personnel takes place the occupational disease. When the hopper frame ascends and descends, the roller at the end part of the hopper frame rolls in the area of the determined roller groove, so that the hopper and the hopper frame operate more stably; due to the rolling action of the roller, the phenomenon of jamming of the material loading component in the lifting process is avoided; two movable wheels are arranged under the chassis, so that the equipment can be moved and fixed, and the use is convenient; when the utility model is used, the lifting, dumping, hopper resetting and material loading component descending actions of the material can be realized only by pressing the forward button or the reverse button of the motor; the utility model discloses in through setting up two travel switch, when carrying the material subassembly and reacing the regulation position, touching travel switch, the closing power, the motor lock is dead, carries material mechanism rigidity, and the middle process does not need artificial control, convenient operation, labour saving and time saving. The utility model uses the cylindrical roller to contact with the hopper extension plate to form rolling friction, thereby reducing the friction resistance and facilitating the hopper to overturn; the utility model is provided with the material guide groove, and can feed the stirring machines with different heights, so that the application range of the utility model is wider; the hopper in the utility model has novel shape and large capacity, and the arc at the bottom of the hopper is tangent to the bottom of the extended part, so that the materials can be poured more cleanly; the rubber bearing pad in the utility model makes the falling of the hopper component more stable, and avoids the rigid collision between metals; the utility model discloses when well hopper carried material rises, although hopper extension plate touches with the cylinder gyro wheel, nevertheless because the elastic action of air spring, eliminate some collision energy, make whole equipment function more steady.
The above description is only illustrative of the preferred embodiments of the present invention, and any variations, modifications, decorations, etc. may be made without departing from the principle of the present invention, and these variations, modifications, decorations, etc. are all considered to be within the scope of the present invention.
Claims (10)
1. A mixer feeding device is characterized by comprising a rack (1), a loading mechanism (2), a driving mechanism (3) and a hopper limiting mechanism (4); the loading mechanism (2) is arranged on the rack (1) in a sliding manner, the driving mechanism (3) is fixedly arranged on the rack (1), and the driving mechanism (3) is used for driving the loading mechanism (2) to vertically lift on the rack (1);
the material loading mechanism (2) comprises a hopper (21), a hopper frame (22) and an air spring (23), the hopper (21) is rotatably arranged on the hopper frame (22), and the hopper frame (22) is slidably arranged on the rack (1); the hopper limiting mechanism (4) is horizontally arranged on the rack (1), and the axial direction of the hopper limiting mechanism (4) is parallel to the rotating shaft of the hopper (21);
the hopper limiting mechanism (4) comprises a first hopper limiting mechanism (41) and a second hopper limiting mechanism (42), the first hopper limiting mechanism (41) is arranged above the second hopper limiting mechanism (42), and the outlet end of the hopper (21) can rotate between the first hopper limiting mechanism (41) and the second hopper limiting mechanism (42); the outlet end of the hopper (21) is connected with the feed inlet of the stirrer.
2. A mixer feeder according to claim 1, wherein the gas spring (23) is disposed between the hopper (21) and the hopper frame (22), one end of the gas spring (23) being rotatably connected to the bottom of the hopper floor (212) and the other end being rotatably connected to the hopper frame (22).
3. A mixer feeder according to claim 1, wherein the hopper (21) comprises two hopper side plates (211), a hopper bottom plate (212) and a hopper extension plate (213), the two hopper side plates (211) are vertically arranged in parallel, the hopper bottom plate (212) is arranged between the two hopper side plates (211), and the hopper bottom plate (212) is an arc structural plate; the hopper extension plate (213) is arranged on one side of the hopper bottom plate (212), one end of the hopper extension plate (213) is fixedly connected with the hopper bottom plate (212) in a tangent mode, the other end of the hopper extension plate is a free end, and the free end of the hopper extension plate (213) can be connected with the hopper limiting mechanism (4); the hopper side plate (211) is rotatably connected with the hopper frame (22).
4. A mixer feeder as claimed in claim 1, further comprising a receiving mechanism (5); the receiving mechanism (5) is obliquely arranged on one side of the rack (1), one end of the receiving mechanism (5) is connected with the outlet end of the hopper (21), and the other end of the receiving mechanism is connected with the feeding hole of the stirrer; the receiving mechanism (5) adopts a guide chute, the guide chute is obliquely arranged between the outlet end of the hopper (21) and the feed inlet of the stirrer, one end of the guide chute is connected with the second hopper limiting mechanism (42), and the other end of the guide chute is connected with the feed inlet of the stirrer.
5. A mixer feeder according to claim 1, further comprising a first travel switch (7) and a second travel switch (8), wherein the first travel switch (7) is disposed at the upper end of the frame (1) and located at the highest travel point of the loading mechanism (2); the second travel switch (8) is arranged at the lower end of the rack (1), and the first travel switch (7) and the second travel switch (8) are both connected with the driving mechanism (3).
6. A mixer feeding device according to claim 1, wherein the frame (1) comprises a base plate (11), a support (12), a cross beam (13) and two longitudinal beams (14), the base plate (11) is arranged horizontally, and the support (12) is vertically and fixedly arranged above the base plate (11);
the support (12) comprises a first support (121), a second support (122), a third support (123) and a fourth support (124) which are vertically arranged in parallel, and the first support (121), the second support (122), the third support (123) and the fourth support (124) are distributed in a rectangular shape; the cross beam (13) is horizontally arranged at the upper ends of the first bracket (121) and the fourth bracket (124), one longitudinal beam (14) is horizontally arranged between the first bracket (121) and the second bracket (122), and the other longitudinal beam (14) is horizontally arranged between the third bracket (123) and the fourth bracket (124); the hopper limiting mechanism (4) is horizontally arranged at the upper ends of the second bracket (122) and the third bracket (123); a roller groove is arranged on the side wall of the bracket (12), and the axis of the roller groove is parallel to the axis of the bracket (12); the end part of the hopper frame (22) is provided with a roller (24), and the roller (24) is arranged in the roller groove in a sliding way.
7. A mixer feeding device according to claim 5, wherein the frame (1) is further provided with four bearing platforms (15), the lower ends of the bearing platforms (15) are fixedly arranged above the chassis (11), and the four bearing platforms (15) are respectively arranged at the lower ends of the first support (121), the second support (122), the third support (123) and the fourth support (124) and are positioned right below the hopper frame (22); the upper end of the bearing platform (15) is provided with a rubber pad (16).
8. A mixer feeder according to claim 1, characterised in that the drive mechanism (3) comprises a motor (31), a belt (32), a large pulley (33), a first transmission shaft (34), a second transmission shaft (35), a first gear (36), a second gear (37), two first cable drums (38), two second cable drums (39), a first cable (310), a second cable (311) and a guide wheel (312);
the motor (31) is fixedly arranged at the lower end of the rack (1), an output shaft of the motor (31) is connected with the large belt wheel (33) through a belt (32), and the large belt wheel (33) is fixedly sleeved on the first transmission shaft (34); the first transmission shaft (34) and the second transmission shaft (35) are horizontally arranged in parallel, the first gear (36) is fixedly sleeved on the first transmission shaft (34), the second gear (37) is fixedly sleeved on the second transmission shaft (35), and the first gear (36) is meshed with the second gear (37); the two first cable winding drums (38) are symmetrically arranged at two ends of the first transmission shaft (34), and the two second cable winding drums (39) are symmetrically arranged at two ends of the second transmission shaft (35); the two first cable winding drums (38) are respectively provided with a first steel cable (310), one end of the first steel cable (310) is wound on the first cable winding drum (38), and the other end of the first steel cable (310) is connected with the middle bottom of the hopper frame (22); the two second cable winding barrels (39) are respectively provided with a second steel cable (311), one end of the second steel cable (311) is wound on the second cable winding barrels (39), and the other end of the second steel cable (311) is connected with the middle top of the hopper frame (22) after passing around the guide wheel (312); the guide wheel (312) is fixedly arranged in the middle of the upper end of the frame (1).
9. A mixer feeder according to claim 1, wherein the first hopper defining means (41) and the second hopper defining means (42) are of the same construction, the first hopper defining means (41) or the second hopper defining means (42) comprising a cylindrical roller shaft (401), a cylindrical roller (402) and a herringbone bracket (403); the cylindrical roller shaft (401) is horizontally arranged at the upper end of the rack (1), and two ends of the cylindrical roller shaft (401) are respectively fixed on the rack (1) through a propeller strut (403); the cylindrical roller (402) is movably sleeved on the first cylindrical roller shaft (401).
10. A mixer feeder according to claim 1, further comprising a running gear (6), wherein the running gear (6) is arranged at the bottom of the frame (1); the traveling mechanism (6) comprises two fixable pulleys (61) and two free pulleys (62), the two fixable pulleys (61) are arranged at one end of the rack (1), and the two free pulleys (62) are arranged at the other end of the rack (1).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922120818.8U CN211709686U (en) | 2019-11-29 | 2019-11-29 | Mixer loading attachment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922120818.8U CN211709686U (en) | 2019-11-29 | 2019-11-29 | Mixer loading attachment |
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CN211709686U true CN211709686U (en) | 2020-10-20 |
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CN201922120818.8U Expired - Fee Related CN211709686U (en) | 2019-11-29 | 2019-11-29 | Mixer loading attachment |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744722A (en) * | 2019-11-29 | 2020-02-04 | 长安大学 | Mixer loading attachment for experiments |
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2019
- 2019-11-29 CN CN201922120818.8U patent/CN211709686U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110744722A (en) * | 2019-11-29 | 2020-02-04 | 长安大学 | Mixer loading attachment for experiments |
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