CN109573125B - Large-scale auxiliary agent automatic distribution system and distribution method - Google Patents

Large-scale auxiliary agent automatic distribution system and distribution method Download PDF

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Publication number
CN109573125B
CN109573125B CN201811311841.9A CN201811311841A CN109573125B CN 109573125 B CN109573125 B CN 109573125B CN 201811311841 A CN201811311841 A CN 201811311841A CN 109573125 B CN109573125 B CN 109573125B
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China
Prior art keywords
head
auxiliary agent
distribution head
push
cylinder
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CN109573125A (en
Inventor
谢红辉
王建辉
甘旋
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Sower Dimensional Mechanical And Electrical Equipment Co ltd
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Sower Dimensional Mechanical And Electrical Equipment Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/26—Methods or devices for controlling the quantity of the material fed or filled
    • B65B3/28—Methods or devices for controlling the quantity of the material fed or filled by weighing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
    • B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/008—Feed or outlet control devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B3/10—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material
    • B65B3/12—Methods of, or means for, filling the material into the containers or receptacles by application of pressure to material mechanically, e.g. by pistons or pumps

Abstract

The invention provides an automatic distribution system of a large-scale auxiliary agent, which is provided with a machine body; the auxiliary agent distribution device comprises a central rotation control mechanism arranged on a machine body, thirty-six guide rail mechanisms arranged on the periphery of the central rotation control mechanism in a circumferential mode, thirty-six auxiliary agent supply mechanisms with pipe joints arranged on the periphery of the guide rail mechanisms in a circumferential mode, and thirty-six auxiliary agent distribution head mechanisms simultaneously connected with the guide rail mechanisms and the auxiliary agent supply mechanisms; the electronic weighing mechanism and the auxiliary agent transferring cylinder are arranged below the machine body; and an electric control mechanism arranged beside the machine body.

Description

Large-scale auxiliary agent automatic distribution system and distribution method
Technical Field
The invention belongs to the technical field of production equipment of fine chemical engineering, and particularly relates to an automatic distribution system and a distribution method for a large-scale auxiliary agent for the fine chemical engineering.
Background
In the fine chemical production process, according to the production requirements, various additives of different types are usually added into a reaction kettle. However, in the prior art, for the distribution of the auxiliary agents, the situation of manually weighing and distributing the auxiliary agents still commonly exists in production enterprises, and production personnel sequentially weigh and quantify the required various auxiliary agents, then mix all the auxiliary agents together and add the auxiliary agents into a reaction kettle.
Because the auxiliaries adopted in the fine chemical field are all in a liquid form, the manual weighing mode is adopted, the weighing process is long, the labor intensity is high, the quality precision of each auxiliary cannot be guaranteed due to the influence of various factors such as the energy of an operator, the working experience and the like, and the quality of a final product is directly influenced; in addition, the long-term exposure to such a working environment is extremely dangerous to the health of the operator. Therefore, there is a strong need for an automated additive dispensing system that is highly accurate and efficient.
Under most conditions, the quantity of the auxiliary agents is 36, and the large-scale automatic auxiliary agent distribution system researched and developed based on the requirement realizes quick, slow and drip irrigation three-speed filling, has high automation degree, improves the production efficiency, achieves high precision, perfectly solves the problem of automatic distribution of the auxiliary agents below 36, and can design a non-label machine type according to the quantity of the auxiliary agents of a user when more than 36 auxiliary agents are available.
Disclosure of Invention
According to the invention, based on the requirement, a large-scale auxiliary agent automatic distribution system is developed, quick, slow and drip irrigation three-speed filling can be realized by controlling, the automation degree is high, the production efficiency is improved, the high precision is achieved, the automatic distribution problem of less than 36 auxiliary agents is perfectly solved, and a non-label machine type can be designed according to the quantity of user auxiliary agents when more than 36 auxiliary agents are used.
In order to achieve the purpose, the large-scale auxiliary agent automatic distribution system provided by the invention has the following technical characteristics: comprises a machine body; the auxiliary agent distribution device comprises a central rotation control mechanism arranged on a machine body, thirty-six guide rail mechanisms arranged on the periphery of the central rotation control mechanism in a circumferential mode, thirty-six auxiliary agent supply mechanisms with pipe joints arranged on the periphery of the guide rail mechanisms in a circumferential mode, and thirty-six auxiliary agent distribution head mechanisms simultaneously connected with the guide rail mechanisms and the auxiliary agent supply mechanisms; the electronic weighing mechanism and the auxiliary agent transferring cylinder are arranged below the machine body; and an electric control mechanism arranged beside the machine body.
The central rotation control mechanism, the guide rail mechanism and the pipe joints of the auxiliary agent supply mechanism are respectively arranged on the machine body through mounting plates.
The central rotation control mechanism includes: a bracket member; the rotary power head component comprises a bearing component and a speed reducer component which are arranged on the mounting plate, a rotating shaft which is arranged on the inner ring of the bearing component and the lower end of which penetrates through the support component, a gear component which connects the rotating shaft with the speed reducer component, and air cylinder mounting air guide components which are arranged at the upper end and the lower end of the rotating shaft; the push-pull cylinder part is arranged at the lower part of the rotating shaft through a cylinder installation air guide assembly; the distribution head positioning and lifting component comprises a plurality of filling cylinders arranged in a support component in a series connection mode, a mandrel with the top end connected with the filling cylinders, a distribution head lifting piece arranged at the lower end of the mandrel, a guide bearing rod and a guide bearing arranged on the distribution head lifting piece, a lifting guide sleeve arranged on a push-pull cylinder frame and a left side plate assembly and a right side plate assembly.
The guide rail mechanism comprises a fixed plate fixedly installed on the machine body, a moving plate installed on the fixed plate in a sliding mode through a guide rail sliding block assembly and a moving plate positioning assembly installed on the fixed plate, one side, close to the push-pull cylinder part, of the moving plate is provided with an installation groove, and the lower end of the moving plate is fixedly connected with the corresponding auxiliary agent distribution head mechanism.
The auxiliary agent supply mechanism comprises thirty-six feeding hoses and thirty-six return hoses which are arranged on the machine body, and thirty-six auxiliary agent storage tanks and delivery pumps which are arranged outside the machine body and are respectively connected with the feeding hoses and the return hoses.
The first mechanism of auxiliary agent distribution includes:
the distribution head body is arranged at the lower end of the moving plate and is connected with the auxiliary agent supply mechanism through a hose, a cylindrical inner cavity is formed inside the distribution head body, an upper end cover is arranged at the upper end of the inner cavity, and a lower end block with a large head punching an upper conical sealing surface is arranged in the lower end sealing installation; the side wall of the distribution head body is provided with a feed inlet communicated with the cylindrical inner cavity, the feed inlet is communicated with a feed cavity beside the distribution head body, and the side surface of the feed cavity is respectively provided with a feed hose mounting hole and a backflow hose mounting hole.
The distribution head plunger is hermetically arranged in the lower half part of the cylindrical inner cavity and can move up and down, the upper end of the inner cavity is provided with a top surface, and three additive distribution ports with gradually increased sizes are arranged on the side wall at intervals from top to bottom.
The distributing head mandrel component comprises a distributing head mandrel, a nut spring seat, a cylindrical compression spring and a pressure regulating locking piece, wherein the distributing head mandrel is arranged in an inner cavity of a distributing head plunger in a sealing mode at the lower half portion, the plunger is arranged on the distributing head mandrel, the bottom end of the nut spring seat is arranged on the nut spring seat and penetrates through the cylindrical compression spring sleeved on the upper half portion of the distributing head mandrel, and the pressure regulating locking piece is arranged on an upper end cover and used for regulating pressure and locking the cylindrical.
The shaft shoulder of the middle part of the distributing head mandrel is propped against the top surface of the inner cavity of the distributing head plunger and is fastened through a nut spring seat, the top end of the distributing head mandrel penetrates through the upper end cover and is provided with a mandrel connector connected with a distributing head lifting piece, the bottom end of the distributing head mandrel is provided with a sealing gasket in a compression manner through a compression bolt, and the conical surface of the sealing gasket is matched with the conical surface in the lower end block.
The electronic weighing mechanism is placed on the ground, and the geometric center of the electronic weighing mechanism corresponds to the central position of the central rotating mechanism;
the auxiliary agent transfer cylinder is arranged on the electronic weighing mechanism, and the lower end block of the auxiliary agent distribution head mechanism is superposed with the center of the cylinder opening.
Preferably, in the automatic large-scale auxiliary agent distribution system provided by the invention, the machine body comprises a machine frame with double-layer mounting plates, a central mounting plate arranged at the center of a lower mounting plate of the machine frame and used for mounting a central rotation control mechanism, a circular guide rail mechanism mounting plate arranged on the same layer of the central mounting plate and surrounding the central mounting plate, and a circular material joint mounting plate arranged on an upper layer and surrounding the guide rail mechanism mounting plate.
Thirty-six guide rail mechanism fixing plates are fixedly arranged on the guide rail mechanism mounting plates in a circumferential mode, and thirty-six feeding hoses and thirty-six return hoses are also fixedly arranged on the pipe joints of the material joint mounting plates in a circumferential mode.
Preferably, the automatic dispensing system for large-scale auxiliary agents provided by the invention also has the following technical characteristics:
in the holder member:
the support component comprises supporting legs, a mounting plate arranged on the supporting legs, cylinder supporting columns arranged on the mounting plate and cylinder mounting plates arranged at the top ends of the cylinder supporting columns, wherein a plurality of filling cylinders are arranged on the cylinder mounting plates in a series connection mode and are positioned in the cylinder supporting columns.
In the rotary power head assembly:
the bearing assembly comprises a bearing seat arranged on the mounting plate, two bearings arranged at the upper part and the lower part of an inner hole of the bearing seat, an inner supporting sleeve and an outer supporting sleeve which are respectively supported between an inner ring and an outer ring of the two bearings, and a bearing cover which is arranged on the bearing seat and tightly presses the outer ring of the upper bearing, wherein a rotating shaft is arranged in the inner ring of the bearing;
the speed reducer assembly comprises a speed reducer arranged on the mounting plate and a servo motor arranged at the input end of the speed reducer in a shaft flat key mode;
the gear assembly comprises a large gear which is arranged below the bearing seat and connected with the rotating shaft through a flat key, a large gear pad which is arranged between the large gear and the lower bearing inner ring, and a small gear which is arranged on an output shaft of the speed reducer in a flat key connection mode, wherein the small gear is meshed with the large gear, and the rotation of the servo motor is converted into the rotation of the rotating shaft after being reduced by the speed reducer and the gear set in sequence;
the cylinder installation air guide assembly comprises a connecting guide sleeve, a pressing sleeve, a push-pull cylinder frame gasket and a rotary air guide joint, wherein the connecting guide sleeve is arranged at the bottom end of the rotary shaft; the pressing sleeve is arranged on the excircle of the rotating shaft and is positioned above the connecting guide sleeve; the push-pull cylinder frame gasket is arranged at the lower end of the large gear and used for adjusting the push-pull cylinder frame; the rotary air guide joint is arranged at the top end of the rotary shaft and used for leading compressed air to the push-pull air cylinder rotating axially, the quick-change connector for compressed air is arranged at the lower end of the shaft of the rotary air guide joint and connected with the push-pull air cylinder through an air pipe, and the quick-change connector on the rotary air guide joint body is connected with the electromagnetic valve and the air source through the air pipe.
In the push-pull cylinder part:
the push-pull cylinder part comprises: the push-pull cylinder frame is arranged at the lower part of the rotating shaft through a large gear flat key, is positioned between the push-pull cylinder frame gasket and the pressing sleeve, and is pressed on the push-pull cylinder frame gasket through the connecting guide sleeve and the pressing sleeve; the push-pull cylinder mounting plate is arranged on the side surface of the lower part of the push-pull cylinder frame; the push-pull air cylinder is arranged on the push-pull air cylinder mounting plate; the push-pull cylinder guide block is arranged on the push-pull cylinder frame in a manner of opposite to the push-pull cylinder and is coaxial with the center of the push-pull cylinder; and the traction head is arranged on a piston rod of the push-pull air cylinder. The piston rod of the push-pull cylinder passes through the middle groove of the distribution head lifting piece and the guide block of the push-pull cylinder to be connected with the traction head.
In the dispensing head positioning, lifting means:
the filling air cylinders are three, a piston rod of the first filling air cylinder is connected with the top end of the mandrel through an air cylinder connector, the second filling air cylinder is installed at the tail part of the first air cylinder through an air cylinder installation block at the lower end of the piston rod, the tail part of the third filling air cylinder is installed below an air cylinder installation plate, and the top part of the third filling air cylinder is installed at the tail part of the second air cylinder through an air cylinder installation block at the lower end of the.
The upper half part of the distribution head lifting piece is provided with a long groove, the middle part of the distribution head lifting piece is provided with a centripetal through hole which is vertical to the long groove, and the bottom end of the distribution head lifting piece is provided with a distribution head mandrel connecting groove.
The lifting guide sleeve is arranged in the center of the lower part of the push-pull cylinder frame; the left side plate assembly and the right side plate assembly comprise a left side plate and a right side plate which are symmetrically arranged on two sides of the push-pull air cylinder frame, the left side plate and the right side plate are adjusted in the vertical position through screw mounting elongated slots arranged on the left side plate and the right side plate, and a lower pressing plate is arranged at the bottom end of the left side plate and the right side.
The guide bearing rod crosses the centripetal through hole of the distribution head lifting piece, and the two guide bearings are arranged at the two ends of the guide bearing rod and are matched with the guide grooves of the left side plate and the right side plate for guiding.
The central rotating control mechanism automatically rotates to the direction of the auxiliary agent distribution head to be filled under the control of a program, the traction head is inserted into an open slot of the moving plate of the guide rail mechanism, and then the push-pull air cylinder is pulled centripetally, so that the moving plate drives the distribution head to move to the center to coincide with the center of the central rotating control mechanism. Then, the distributing head body is pressed under the lower pressing plate, the connecting head at the top end of the distributing head core shaft is clamped in an opening groove at the lower end of the distributing head lifting part, and the distributing head core shaft is driven by the filling air cylinder to sequentially move according to a program to realize three-speed filling of high speed, low speed and drip irrigation.
Preferably, the automatic dispensing system for large-scale auxiliary agents provided by the invention also has the following technical characteristics: in the guide rail mechanism:
the fixed plate is of a right-angle bent plate structure, the upper end of the fixed plate is installed on an installation plate of a guide rail mechanism of the machine body, a guide rail is installed on the middle upper part of the vertical surface, an installation hole of a positioning component of the moving plate is reserved on the rear lower part, the lower end of the fixed plate is inserted into a guide groove of the guide block, and the fixed plate and the guide groove are matched to form auxiliary guide of the moving;
the guide rail sliding block assembly comprises a guide rail fixedly arranged on the fixed plate and a plurality of sliding blocks arranged on the guide rail, the guide rail is a parallel sliding linear guide rail, and four sliding blocks are respectively arranged on two sides of the guide rail;
the movable plate is vertically installed, the upper part of the side surface of the movable plate is installed on the guide rail sliding block, the rear lower part of the movable plate is provided with a taper hole with a taper angle of 120 degrees, the lower part of the side surface of the movable plate is provided with a guide block, one side of the movable plate close to the traction head is provided with a traction head installation groove, the bottom end of the movable plate is provided with a connecting plate fixedly connected with the auxiliary agent distribution head mechanism, and the movable plate moves.
The moving plate positioning assembly comprises a positioner body fixedly arranged at the rear lower part of the fixing plate, an ejector rod arranged in a screw hole of the positioner body, a spring arranged on the ejector rod and a pressure adjusting screw arranged at the rear end of the ejector rod and used for adjusting the pressure of the ejector rod, wherein the front end surface of the ejector rod is a spherical surface capable of being pushed into a conical hole of the moving plate, the spherical surface at the front end of the ejector rod is used for pushing against the conical hole with an angle of 120 degrees of the moving plate, so that the moving plate is kept still when not being dragged, and when the moving plate is pulled forwards, the conical hole pushes the ejector rod to retreat.
Preferably, the automatic dispensing system for large-scale auxiliary agents provided by the invention also has the following technical characteristics: in the auxiliary agent dispensing head mechanism:
the upper end cover is provided with a pressure regulating locking piece mounting screw hole; the lower end block is arranged at the lower end of the cylindrical inner cavity, an O-shaped ring groove is formed in the upper end face, and the O-shaped sealing ring is installed and then is compressed to form end face sealing.
The upper end and the lower end of the outer circular surface of the distribution head plunger are respectively provided with two O-shaped ring grooves, the O-shaped rings are installed to form sealing, a cylindrical cavity is arranged inside the plunger from bottom to top, the lower part of the cylindrical cavity is transparent, the upper part of the cylindrical cavity is not covered to the top, the plunger is provided with a hole for installing a distribution head mandrel, three auxiliary agent distribution ports are sequentially arranged between the upper sealing ring and the lower sealing ring of the outer circular surface and respectively comprise a plurality of centripetal through holes which are uniformly distributed along the circumferential direction, and fast and slow drip irrigation channels are respectively formed.
In the distributing head mandrel component, an O-shaped ring groove is formed in the shaft section of the distributing head mandrel, which penetrates through a circular hole in the top of the plunger, and sealing is formed after the O-shaped sealing ring is installed; the nut spring seat is arranged on a thread of the core shaft of the distribution head above the top of the plunger, and the plunger is fixed on the core shaft of the distribution head after being screwed; the pressure regulating locking piece comprises a pressure regulating bolt which is arranged in a mounting screw hole in the middle of the upper end cover and penetrates through the core shaft of the distributing head, and a locking nut which locks the pressure regulating bolt.
The mandrel connector is arranged on the top thread of the mandrel of the distributing head and is locked through the locking sleeve; the sealing gasket at the bottom end of the core shaft of the distribution head is a polytetrafluoroethylene sealing gasket.
Preferably, the automatic dispensing system for large-scale auxiliary agents provided by the invention also has the following technical characteristics: the electronic weighing mechanism is a high-precision electronic scale; the electric control mechanism is arranged beside the machine body and is an electric appliance cabinet provided with a PLC and electric appliance elements, a touch screen and a control button are arranged on the disc surface of the electric appliance cabinet, and the electric appliance cabinet is electrically connected with the central rotation control mechanism, the guide rail mechanism, the auxiliary agent supply mechanism, the auxiliary agent distribution head mechanism and the electronic weighing mechanism through cables.
Preferably, the automatic dispensing system for large-scale auxiliary agents provided by the invention also has the following technical characteristics: the feeding hoses are thirty-six in number and are used for connecting corresponding auxiliary feeding joints on the machine body and feeding port joints of auxiliary distributing head mechanisms, and each auxiliary distributing head mechanism is provided with one auxiliary distributing head mechanism; the total number of the backflow hoses is thirty-six, and the backflow hoses are used for connecting corresponding auxiliary agent backflow joints on the machine body and backflow port joints of the auxiliary agent distribution head mechanisms, and each auxiliary agent distribution head mechanism is provided with one.
Further, the invention also provides an automatic distribution method of large-scale additives, which is used for automatically distributing the following 36 additives in the production process of fine chemical products, and comprises the following steps:
step 1, placing an electronic weighing mechanism on the ground, wherein the geometric center of the electronic weighing mechanism corresponds to the central position of a central rotation control mechanism;
under the control of a program, a central rotation control mechanism rotates a speed reducer assembly in a power head component to drive a rotating shaft to rotate through a gear assembly and a bearing assembly, and the rotating shaft drives a push-pull air cylinder frame in a push-pull air cylinder component to rotate, so that a traction head corresponds to a guide rail mechanism movable plate of a target auxiliary storage tank and is directly inserted into a traction head mounting groove in the movable plate;
step 3, a piston rod of the push-pull air cylinder pulls the moving plate centripetally through the traction head to drive the auxiliary agent distribution head mechanism to move to the center to coincide with the central rotation control mechanism;
step 4, a distribution head mandrel in the auxiliary agent distribution head mechanism passes through a side plate assembly in the central rotation control mechanism and is connected with a distribution head lifting piece through a mandrel connector on the distribution head mandrel, and meanwhile, a locking nut on an upper end cover of the distribution head presses the lower end of a lower pressing plate;
step 5, all the piston rods of the three filling cylinders connected in series in the central rotation control mechanism retract to drive the core shaft, the distribution head lifting piece, the distribution head core shaft and the distribution head plunger to move upwards, so that the sealing gasket at the bottom end of the distribution head core shaft is separated from the lower end block, and the upward movement is continued to enable the large distribution port with the largest size at the lower end on the side wall of the distribution head plunger to be communicated with the feeding port on the side wall of the distribution head shell, so that the rapid filling of the auxiliary agent is realized; then, only pushing out a piston rod of a third filling cylinder to push a core shaft of the distribution head to move downwards, so that a middle distribution opening with the next size in the middle on the side wall of a plunger piston of the distribution head is communicated with a feed inlet on the side wall of a shell of the distribution head, and the slow filling of the auxiliary agent is realized; then, the piston rod of the second filling air cylinder is also pushed out, the core shaft of the distribution head is continuously pushed to move downwards, so that the small distribution port with the minimum size at the upper end on the side wall of the plunger of the distribution head is communicated with the feed inlet on the side wall of the shell of the distribution head, the first filling air cylinder piston rod is intermittently pushed out and retracted according to a program to realize drip irrigation of the auxiliary agent, when the electronic weighing mechanism detects the weight of the filling auxiliary agent to a preset value, the first filling air cylinder piston rod pushes out to push the core shaft of the distribution head to the bottommost end, and the conical surface of the sealing gasket is matched with the conical surface of;
and 6, separating the auxiliary agent distribution head mechanism from the central rotation control mechanism, pushing a piston rod of a push-pull air cylinder to push a traction head to return the current guide rail mechanism and the auxiliary agent distribution head mechanism to the original position, repeating the steps 2-5, filling the next auxiliary agent, manually taking away and pouring the auxiliary agent into the reaction kettle after all the auxiliary agents are uniformly distributed, and naturally automatically pouring the auxiliary agent in an auxiliary agent transfer cylinder into the reaction kettle in a subsequent design.
Action and Effect of the invention
According to the large-scale automatic auxiliary agent distribution system provided by the invention, each auxiliary agent storage tank is correspondingly provided with a guide rail mechanism, an auxiliary agent distribution head mechanism, a feeding hose and a return hose, under the control of an electric control mechanism, a central rotation control mechanism selects a target distribution head mechanism in the circumferential direction, the target distribution head mechanism is pulled to the central position through the guide rail mechanism, then a filling cylinder drives a distribution head plunger on the distribution head mechanism to move up and down, three distribution ports with gradually increased sizes are arranged on the side wall of the distribution head mechanism from top to bottom at intervals and respectively correspond to feeding ports on a distribution head shell, and three-speed automatic filling of quick, slow and drip irrigation is realized. Starting from any one distribution head, the auxiliary agent is automatically subjected to fast, slow and drip irrigation filling until a preset value is reached, and then the auxiliary agent is automatically replaced, the quality is accumulated and metered, and the like until the distribution of all the auxiliary agents is completed.
Therefore, the large-scale auxiliary agent automatic distribution system has the advantages of compact structure, quick conversion and wide application range, and can be applied to various auxiliary agents; the automation degree is high, the production efficiency is high, and the method has the characteristics of high precision, high efficiency and high cost performance; the labor intensity of operators is low, the production environment is better, and the method is an ideal choice for realizing automatic distribution of the auxiliary agent.
Drawings
FIG. 1 is a front view of an automated large-scale additive dispensing system according to an embodiment of the present invention;
FIG. 2 is a front view of the housing in an embodiment of the present invention;
FIG. 3 is a top view of an embodiment of the housing of the present invention;
FIG. 4 is a front view of a central rotation control mechanism in an embodiment of the present invention;
FIG. 5 is a left side view of the central rotational control mechanism in an embodiment of the present invention;
FIG. 6 is a top view of a central rotational control mechanism in an embodiment of the present invention;
FIG. 7 is an enlarged view of the structure in circle A of FIG. 4;
FIG. 8 is an enlarged view of the structure in circle B of FIG. 4;
FIG. 9 is a front view of an additive dispensing head mechanism in an embodiment of the invention;
FIG. 10 is a left side view of an additive dispensing head mechanism in an embodiment of the invention;
FIG. 11 is a front view of a track mechanism in an embodiment of the present invention;
FIG. 12 is a left side view of a track mechanism in an embodiment of the invention
Fig. 13 is a top view of a rail mechanism in an embodiment of the invention.
In a large-scale automatic additive dispensing system (fig. 1):
1-machine body 2-electric control mechanism 3-central rotation control mechanism 4-auxiliary agent distributing head mechanism (36 sets) 5-guide rail mechanism (36 sets) 6-feeding hose (36 pieces) 7-reflux hose (36 pieces)
8-auxiliary agent transfer cylinder 9-high precision electronic scale
In the body schematic diagram (fig. 2 and 3):
11-frame 12-guide rail mechanism mounting plate 13-central mounting plate 14-material joint mounting plate
Schematic diagrams of the central rotation control mechanism (fig. 4 to 8):
31-lower press plate 32-distribution head lifting piece 33-guide bearing (two) 34-guide bearing rod
35-left side plate 36-lifting guide sleeve 37-lubrication-free bearing 38-mandrel
39-legs (four) 310-mounting plate 311-bearing seat 312-outer support sleeve
313-inner support sleeve 314-bearing (two up and down) 315-bearing cap 316-rotating shaft
317-rotary air guide joint 318-cylinder connecting joint 319-first filling cylinder
320-second filling cylinder 321-third filling cylinder 322-cylinder mounting plate
323-cylinder support column 324-cylinder installation block 325-speed reducer 326-servo motor
327-big gear pad 328-small gear 329-small gear flat key 330-big gear
331-gearwheel flat key 332-push-pull cylinder frame gasket 333-pressing sleeve
334-mandrel lubrication-free bearing 335-connecting guide sleeve 336-push-pull cylinder frame 337-right side plate
338-traction head 339-push-pull cylinder guide block 340-push-pull cylinder mounting plate 341-push-pull cylinder
In the schematic diagrams of the auxiliary agent dispensing head mechanism (fig. 9, 10):
41-mandrel connector 42-locking sleeve 43-pressure regulating bolt 44-locking nut 45-upper end cover
46-pressure regulating bolt spring joint 47-cylindrical compression spring 48-distribution head mandrel 49-nut spring seat
410-small O-ring 411-large O-ring (two) 412-dispensing head plunger
413-distributing head body 414-plunger sealing ring 415-end surface O-shaped sealing ring 416-lower end block
417 polytetrafluoroethylene sealing ring 418, hold-down bolt 419, return hose joint 420 and feed hose joint
421-feeding cavity 413 a-feeding hole 412 a-large additive distributing hole 412 b-medium additive distributing hole
412 c-Small additive dispensing opening
Schematic diagrams of the guide rail mechanism (FIGS. 11, 12 and 13)
51-fixed plate 52-slide block (eight blocks) 53-guide rail 54-moving plate 55-guide block
56-top head 57-pressure adjusting screw 58-spring 59-positioner body
Detailed Description
The present invention will be described in detail below with reference to examples and the accompanying drawings. The following examples should not be construed as limiting the scope of the invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "horizontal", "vertical", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
FIG. 1 is a front view of an automated large-scale additive dispensing system in an embodiment of the invention.
As shown in fig. 1, the large-scale automatic additive distribution system 100 includes a machine body 1, an electric control mechanism 2, a central rotation control mechanism 3, an additive distribution head mechanism 4, a guide rail mechanism 5, a feeding hose 6, a return hose 7, an additive transfer cylinder 8, and a high-precision electronic scale 9.
The electric control mechanism 2 is arranged beside the machine body 1. The central rotation control mechanism 3 is installed in the center of the machine body 1, thirty-six guide rail mechanisms 5 are arranged on the periphery of the central rotation control mechanism in a circumferential mode, feeding hoses 6 and backflow hoses 7 of the thirty-six auxiliary agent supply mechanisms are respectively arranged on the periphery of the guide rail mechanisms 5 in a circumferential mode, and the feeding hoses 6 and the backflow hoses 7 of the guide rail mechanisms 5 and the auxiliary agent supply mechanisms are simultaneously connected with the thirty-six auxiliary agent distribution head mechanisms 4. High accuracy electronic scale 9 sets up in organism 1 below, has placed auxiliary agent on it and transports jar 8.
The electric control mechanism 2 is arranged beside the machine body and is an electric cabinet provided with a PLC and electric elements, a touch screen and a control button are arranged on the disc surface of the electric cabinet, the electric cabinet is connected with a central rotation control mechanism 3, a guide rail mechanism 5, an auxiliary agent supply mechanism, a motor in an auxiliary agent distribution head mechanism 4, all pneumatic element electromagnetic valves, all sensors and an electronic weighing mechanism (namely a high-precision electronic scale 9) through cables, and the touch screen is used for man-machine interaction and displaying the whole production process in an animation mode.
FIG. 2 is a front view of the housing in an embodiment of the present invention; fig. 3 is a top view of the housing of an embodiment of the present invention.
As shown in fig. 1 to 3, the machine body 1 includes a frame 11, a guide rail mechanism mounting plate 12, a central mounting plate 13, and a material joint mounting plate 14.
The frame 11 has double mounting plates and the lower mounting plate is at a distance from the ground. The central mounting plate 13 and the guide rail mechanism mounting plate 12 are arranged on the lower mounting plate, and the material joint mounting plate 14 is arranged on the upper mounting plate. The central mounting plate 13 is in central position, and rail mechanism mounting plate 12 and material connect the mounting plate 14 and all are circular, and rail mechanism mounting plate 12 encircles central mounting plate 13 and sets up, and material connects the mounting plate 14 and encircles rail mechanism mounting plate 12 and set up.
The fixing plates of thirty-six guide rail mechanisms 5 are fixedly arranged on the guide rail mechanism mounting plate 12 in a circumferential mode, and thirty-six feeding hoses 6 and thirty-six return hoses 7 are also fixedly arranged on the pipe joints of the material joint mounting plate 14 in a circumferential mode.
FIG. 4 is a front view of a central rotation control mechanism in an embodiment of the present invention; FIG. 5 is a left side view of the central rotational control mechanism in an embodiment of the present invention; FIG. 6 is a top view of a central rotational control mechanism in an embodiment of the present invention; FIG. 7 is an enlarged view of the structure in circle A of FIG. 4; fig. 8 is an enlarged view of the structure in circle B of fig. 4.
As shown in fig. 1 and fig. 4 to 8, the central rotation control mechanism 3 is installed in a central installation plate 13 of the rack, and includes four major parts, namely a bracket part, a rotary power head part, a push-pull cylinder part, and a dispensing head positioning and lifting part, and the specific components of the four major parts will be described below.
(1) Support component
The bracket assembly includes four legs 39 mounted to the lower layer of the central mounting plate, a mounting plate 310 mounted to the legs, a cylinder support post 323 mounted to the mounting plate 310, and a cylinder mounting plate 322 mounted to the top of the cylinder support post. The rotary power head components are mounted on a mounting plate 310.
(2) Rotary power head component
The rotary power head assembly includes a bearing assembly, a speed reducer assembly, a rotary shaft 316, a gear assembly, and a cylinder-mounted air guide assembly.
The bearing assembly includes a bearing housing 311 mounted on a mounting plate, two bearings 314 mounted at upper and lower portions of an inner bore of the bearing housing 311, an inner support sleeve 313 and an outer support sleeve 312 supported between inner and outer races of the two bearings 314, respectively, and a bearing cap 315 mounted on the bearing housing and pressing an outer race of the upper bearing, and a rotary shaft 316 mounted in an inner race of the bearing 314.
The reducer assembly comprises a reducer 325 mounted on the mounting plate 310 and a servo motor 327 mounted at the input end of the reducer, and the reducer assembly is connected by a shaft flat key.
The gear assembly includes a large gear 330, a large gear pad 327, and a small gear 328. The large gear 330 is arranged below the bearing seat 311, a large gear pad 327 is arranged between the large gear 330 and the inner ring of the lower bearing 314, and the large gear 330 is connected with the rotating shaft 316 through a large gear flat key 331; the pinion 328 is mounted on the output shaft of the reducer 325, is connected with the reducer through the pinion flat key 329, and is engaged with the large gear 330, and the servo motor 326 is mounted on the input end of the reducer 325. The big and small gears are meshed to reduce the rotation of the servo motor through the speed reducer, and the gear set is further reduced and then transmitted to the rotary motion of the rotary shaft.
The cylinder mounting air guide assembly comprises a connecting guide sleeve 335, a pressing sleeve 333, a push-pull cylinder frame gasket 332 and a rotary air guide joint 317. The connecting guide sleeve 335 is mounted at the bottom end of the rotating shaft 316; the pressing sleeve 333 is arranged on the excircle of the rotating shaft 316 and is positioned above the connecting guide sleeve 335; a push-pull cylinder frame pad 332 is mounted at the lower end of the bull gear and used for adjusting a push-pull cylinder frame 336; the rotary air guide joint 332 is mounted at the top end of the rotary shaft 316 and is used for leading compressed air to the push-pull air cylinder 338 rotating axially, a compressed air quick-change joint is mounted at the lower end of the rotary air guide joint and is connected with the push-pull air cylinder through an air pipe, and the quick-change joint on the rotary air guide joint body is connected with the electromagnetic valve and the air source through the air pipe.
(3) Push-pull cylinder part
The push-pull cylinder component is arranged on the rotating shaft 316 and mainly comprises a push-pull cylinder frame 336, a push-pull cylinder 338, a push-pull cylinder mounting plate 339, a push-pull cylinder guide block 340 and a traction head 341 arranged on a push-pull cylinder piston rod 338 a.
The push-pull cylinder frame 336 is arranged on the rotating shaft 316 and is connected by a large gear flat key 331, the push-pull cylinder frame gasket 332 is arranged between the large gear 330 and the push-pull cylinder frame 336 for adjustment, the connecting guide sleeve 335 is arranged at the lower end of the rotating shaft 316, and the push-pull cylinder frame 336 is pressed on the large gear 330 through the pressing sleeve 333 and the push-pull cylinder frame gasket 332; the push-pull cylinder 338 is mounted on the push-pull cylinder frame 336 through a push-pull cylinder mounting plate 339, and the push-pull cylinder mounting plate 339 is mounted at the lower part of the push-pull cylinder frame 336; the push-pull cylinder guide block 340 is installed on the push-pull cylinder frame 336 and is positioned on the opposite side of the push-pull cylinder 338, the center of the push-pull cylinder guide block is coaxial with the center of the push-pull cylinder 338, and the push-pull cylinder piston rod 338a penetrates through the middle groove of the distribution head lifting piece 32 and the push-pull cylinder guide block 340 to be connected with the traction head 341.
(4) Distribution head positioning and lifting component
The dispensing head positioning and lifting component comprises three filling cylinders 319-321, a mandrel 38, a dispensing head lifting piece 32, a guide bearing rod 34, a guide bearing 33, a lifting guide sleeve 36, a left side plate assembly and a right side plate assembly.
Among the three filling cylinders, a piston rod of the first filling cylinder 319 is connected with the top end of the mandrel 38 through a cylinder connector; the second filling cylinder 320 is arranged at the tail part of the first cylinder 319 through a cylinder mounting block at the lower end of the piston rod; the tail part of the third filling cylinder 321 is arranged on the lower 322 surface of the cylinder mounting plate, the top part is arranged on the tail part of the second cylinder 320 through a cylinder mounting block at the lower end of the piston rod,
the upper half part of the distribution head lifting piece 32 is provided with a long groove 32a, the center of the lower half part is provided with a centripetal through hole, and the bottom end is provided with a distribution head mandrel connecting groove 32 b. The piston rod passes through the long groove 32a, the centripetal through hole is used for guiding the bearing rod 34 to pass through, and the distribution head mandrel connecting groove 32b is used for being connected with a mandrel in the auxiliary agent distribution head mechanism.
The lift guide 36 is centrally mounted on the lower portion of the push/pull cylinder frame 336 and is guided during the lifting of the dispensing head lift 32.
The left and right side plate assembly comprises a left side plate 35 and a right side plate 337, the left side plate 35 and the right side plate 337 are symmetrically arranged at two sides of the push-pull cylinder frame 336, the up-down position is adjusted by long screw mounting grooves arranged on the left and right side plates, and the bottom end is provided with the lower pressure plate 31.
The guide bearing rod 34 crosses the centripetal through hole of the lifting piece of the distribution head, and two guide bearings 33 are arranged at the two ends of the guide bearing rod 34 and are matched with the guide grooves 342 of the left side plate and the right side plate for guiding.
FIG. 9 is a front view of an additive dispensing head mechanism in an embodiment of the invention; fig. 10 is a left side view of an auxiliary agent dispensing head mechanism of the auxiliary agent dispensing head mechanism in an embodiment of the present invention.
As shown in fig. 1, 9 and 10, the additive dispensing head mechanism includes a dispensing head body 413, a dispensing head plunger 412, a lower end block 416, an upper end cap 45, and a dispensing head spindle assembly.
The distributing head 413 is arranged at the lower end of the moving plate of the guide rail mechanism 5, a cylindrical inner cavity is formed inside the distributing head, a circular cavity is arranged at the middle lower part of the inner cavity, a large hole is formed in the circular cavity and used as a feeding hole 413a to be communicated with a feeding cavity 421 beside the feeding cavity, two threaded holes are formed in the side surface of the feeding cavity, the upper threaded hole is connected with the return hose 7 through a return hose connector 419, and the lower threaded hole is connected with the feeding hose 6 through a feeding hose connector 420.
The upper end of the cylindrical inner cavity is provided with an upper end cover 45, and the lower end of the cylindrical inner cavity is hermetically provided with a lower end block 416. The upper end cover 45 is provided with a through threaded hole for installing a pressure regulating locking piece in the core shaft assembly of the distributing head. The lower end block 416 is installed at the lower end of the cylindrical inner cavity, an O-shaped ring groove is formed in the upper end face of the lower end block, an end face O-shaped sealing ring 415 is installed and then is compressed to form end face sealing, and a conical sealing face with a large head punch is arranged in the lower end block.
A dispense head plunger 412 is mounted within the lower half of the cylindrical chamber and is capable of moving up and down. Two O-shaped ring grooves are respectively formed in the upper end and the lower end of the outer circular surface of the plunger, two of the four large O-shaped sealing rings 411 are arranged in the grooves in the outer circular surface of the lower portion of the plunger, and the two large O-shaped sealing rings 411 are arranged in the grooves in the outer circular surface of the upper portion of the plunger to form sealing. The plunger is internally provided with a cylindrical cavity from bottom to top, the lower part of the cylindrical cavity is through, the upper part of the cylindrical cavity is not covered to the top, so that the plunger is provided with a top surface, and the top surface of the plunger is provided with a hole for installing a distribution head core shaft 48.
Three distribution ports with gradually increasing sizes are arranged on the side wall of the plunger from top to bottom at intervals, namely a small distribution port 412c, a middle distribution port 412b and a large distribution port 412 a. The three distributing ports are sequentially arranged between the upper sealing ring and the lower sealing ring on the outer circular surface and are outer edge ring grooves, a plurality of centripetal through holes are uniformly distributed in the circumferential direction of the groove bottom, the large distributing port 412a is a plurality of largest centripetal through holes uniformly distributed in the circumferential direction, the middle distributing port 412b is a plurality of smaller centripetal through holes uniformly distributed in the circumferential direction, and the small distributing port 412c is a plurality of smallest centripetal through holes uniformly distributed in the circumferential direction, so that a fast-drip-irrigation channel, a slow-drip-irrigation channel and a drip-irrigation channel are respectively formed.
The distribution head mandrel assembly comprises a mandrel connector 41, a locking sleeve 42, a pressure regulating bolt 43, a locking nut 44, a cylindrical compression spring 47, a distribution head mandrel 48, a nut spring seat 49, a polytetrafluoroethylene sealing gasket 417 and a compression bolt 418.
The distribution head mandrel 48 penetrates through a circular hole at the top of the distribution head plunger 412, the shaft shoulder of the distribution head mandrel 48 abuts against the top surface of the inner cavity of the plunger, and a small O-shaped sealing ring 410 is arranged on the cylindrical surface at the upper part of the shaft shoulder of the distribution head mandrel 48 to form the sealing of the distribution head mandrel 48 and the plunger; a nut spring seat 49 is arranged on the thread of the distribution head mandrel 48 positioned above the top of the distribution head plunger 412, the nut spring seat 49 is screwed, and the distribution head plunger 412 is fixed on the distribution head mandrel 48; the nut spring seat 49 is provided with a cylindrical compression spring 47, the cylindrical compression spring 47 is sleeved on the upper half part of the distribution head mandrel 48, the upper end of the cylindrical compression spring 47 is pressed by the pressure regulating bolt 43 and then is locked by the locking nut 44. The pressure regulating bolt 43 is arranged in a middle screw hole of the upper end cover and penetrates through the distribution head core shaft 48, the locking nut 44 is positioned on the upper end face of the upper end cover, the pressure regulating bolt is screwed, and the pressure regulating bolt and the pressure regulating core shaft form a pressure regulating locking piece.
The top end of a distribution head mandrel 48 penetrates through a cylindrical compression spring 47, a pressure regulating bolt 43 and an upper end cover 45, a mandrel connector 41 is installed on the top thread of the distribution head mandrel, and the mandrel connector 41 is screwed through a locking sleeve 42; the bottom end is provided with a polytetrafluoroethylene sealing gasket 417, the polytetrafluoroethylene sealing gasket 417 is attached to a shaft shoulder and is pressed tightly by a pressing bolt 418, and a conical surface on the polytetrafluoroethylene sealing gasket 417 is matched with a conical sealing surface on a large punch in the inner cavity of the lower end block 416 to close the distribution head when the filling is not carried out.
In this embodiment, the additive dispensing heads having different sizes may be designed according to different additives.
FIG. 11 is a front view of a track mechanism in an embodiment of the present invention; FIG. 12 is a left side view of the track mechanism in an embodiment of the present invention; fig. 13 is a top view of a rail mechanism in an embodiment of the invention.
As shown in fig. 11 to 13, the guide rail mechanism 5 includes a fixed plate 51, a slider 52, a guide rail 53, a moving plate 54, a guide block 55, and a moving plate positioning member.
The fixing plate 51 is a right-angle bent plate structure, the upper end of the fixing plate is mounted on the mounting plate 12 of the guide rail mechanism of the machine body, the middle upper part of the vertical surface is provided with a guide rail 53, the rear lower part of the fixing plate is provided with a mounting hole of the positioning component of the moving plate, and the lower end of the fixing plate is inserted into a guide groove of the guide block 55. The fixed plate and the guide groove are matched to form auxiliary guide of the moving plate;
the guide rail 53 is a parallel sliding linear guide rail, and four sliders 52 are respectively mounted on two sides of the guide rail. The circular holes of the slide block 52 are arranged on the cylindrical guide surfaces at the two sides of the guide rail.
The moving plate 54 is vertically installed, the upper part is installed on the sliding block 52, the rear lower part is provided with a taper hole with a taper angle of 120 degrees, the lower part is provided with a guide block 55, and the moving plate moves along the guide rail to drive the guide block 55 to move along the lower part of the fixing plate 51. One side of the moving plate 54 close to the drawing head is provided with a drawing head mounting groove 541, and the lower end is provided with a connecting plate 542 fixedly connected with the distribution head body of the auxiliary agent distribution head mechanism.
The moving plate positioning component is arranged on the fixed plate 51 and comprises a positioning device body 59 fixedly arranged at the tail part of the fixed plate 51, a push rod 56 arranged in a screw hole of the positioning device body 59, a spring 58 arranged on the push rod 56 and a pressure adjusting screw 57 arranged at the rear end of the push rod 56 and used for adjusting the pressure of the push rod 56. The front end surface of the ejector rod 56 is a spherical surface capable of being ejected into the taper hole of the moving plate, the spherical surface at the front end of the ejector rod ejects the 120-degree taper hole of the moving plate, so that the moving plate 54 is kept still when not dragged, and when the moving plate 54 is pulled forwards, the taper hole pushes the ejector rod 56 to retreat, so that the moving plate 54 can easily move forwards.
The feeding hose 6 and the return hose 7 in the auxiliary agent supply mechanism are both hoses and are used as the components of the auxiliary agent supply mechanism. The feeding hoses 6 are thirty-six in number and are used for connecting corresponding auxiliary feeding joints on the machine body and feeding port joints of auxiliary distributing head mechanisms, and each auxiliary distributing head mechanism is provided with one auxiliary distributing head mechanism; the total number of the backflow hoses 7 is thirty-six, and the backflow hoses are used for connecting corresponding auxiliary agent backflow joints on the machine body and backflow port joints of auxiliary agent distribution head mechanisms, and each auxiliary agent distribution head mechanism is provided with one.
The auxiliary agent supply mechanism comprises thirty-six feeding hoses 6 and thirty-six return hoses 7 which are arranged on the machine body, and also comprises thirty-six auxiliary agent storage tanks and a delivery pump which are arranged outside the machine body and are respectively connected with the feeding hoses and the return hoses.
The electronic weighing mechanism 9 is placed on the ground, and the geometric center of the electronic weighing mechanism corresponds to the central position of the central rotation control mechanism; the auxiliary agent transfer cylinder 8 is placed on the electronic weighing mechanism, and the lower end block of the auxiliary agent distribution head mechanism is superposed with the center of the cylinder opening.
The device in the embodiment is adopted to automatically distribute the large-scale auxiliary agent, and comprises the following steps:
step 1, placing a high-precision electronic scale 9 on the ground, wherein the geometric center of the high-precision electronic scale corresponds to the central position of a central rotation control mechanism 3;
step 2, under program control, the speed reducer assembly in the rotary power head component of the central rotary control mechanism 3 drives the rotary shaft 316 to rotate through a gear assembly and a bearing assembly, and the rotary shaft 316 drives the push-pull cylinder frame 336 in the push-pull cylinder component to rotate, so that the traction head 338 corresponds to the guide rail mechanism movable plate 54 of the target auxiliary agent storage tank and is directly inserted into the traction head mounting groove 541 in the movable plate 54;
step 3, a piston rod 338a of the push-pull air cylinder pulls the moving plate 54 centripetally through the traction head 341 to drive the auxiliary agent distribution head mechanism 4 to move to the center to coincide with the central rotation control mechanism 3;
step 4, a distribution head mandrel 48 in the auxiliary agent distribution head mechanism 4 penetrates through a left side plate and a right side plate in the central rotation control mechanism 3 and is connected with the distribution head lifting piece 32 through a mandrel connector 41 on the mandrel, and meanwhile, a locking nut 44 on an upper end cover of the distribution head is pressed at the lower end of the lower pressing plate 31;
step 5, all the piston rods of the three filling cylinders connected in series in the central rotation control mechanism retract to drive the spindle 38, the distribution head lifting piece 32, the distribution head spindle 48 and the distribution head plunger 412 to move upwards, so that the sealing gasket 417 at the bottom end of the distribution head spindle 48 is separated from the lower end block 416, and the three filling cylinders continue to move upwards to enable the large distribution port 412a with the largest size at the lower end on the side wall of the distribution head plunger 412 to be communicated with the feeding port 413a on the side wall of the distribution head shell, so that the rapid filling of the auxiliary agent is realized; then, only the piston rod of the third filling cylinder is pushed out to push the distribution head mandrel 48 to move downwards, so that the middle distribution opening 412b with the next size in the middle on the side wall of the distribution head plunger 412 is communicated with the feeding opening 413a on the side wall of the distribution head shell, and the slow filling of the auxiliary agent is realized; then, the piston rod of the second filling cylinder is also pushed out, the distribution head core shaft 48 is continuously pushed to move downwards, so that the small distribution port 412c with the minimum size at the upper end on the side wall of the distribution head plunger 412 is communicated with the feed port 413a on the side wall of the distribution head shell, the first filling cylinder piston rod is intermittently pushed out and retracted according to a program to realize drip irrigation of the auxiliary agent, when the electronic weighing mechanism detects the weight of the filling auxiliary agent to a preset value, the first filling cylinder piston rod pushes out to push the distribution head core shaft 48 to the bottommost end, and the conical surface of the sealing gasket is matched with the conical surface of the inner cavity of the lower end block to close the;
and 6, separating the auxiliary agent distribution head mechanism 4 from the central rotation control mechanism, pushing a piston rod of a push-pull air cylinder to push a traction head to return the current guide rail mechanism and the auxiliary agent distribution head mechanism to the original position, repeating the steps 2-5, filling the next auxiliary agent, manually taking away and pouring the auxiliary agent into the reaction kettle after all the auxiliary agents are uniformly distributed, and naturally automatically pouring the auxiliary agent in an auxiliary agent transfer cylinder into the reaction kettle in the subsequent design.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. An automatic large-scale auxiliary agent distribution system for automatically distributing 36 or less auxiliary agents in the production process of fine chemical products is characterized by comprising the following components in parts by weight:
a body; the auxiliary agent distribution device comprises a central rotation control mechanism arranged on the machine body, thirty-six guide rail mechanisms arranged on the periphery of the central rotation control mechanism in a circumferential mode, thirty-six auxiliary agent supply mechanisms with pipe joints arranged on the periphery of the guide rail mechanisms in a circumferential mode, and thirty-six auxiliary agent distribution head mechanisms simultaneously connected with the guide rail mechanisms and the auxiliary agent supply mechanisms; the electronic weighing mechanism and the auxiliary agent transferring cylinder are arranged below the machine body; and an electric control mechanism arranged beside the machine body,
wherein the pipe joints of the central rotation control mechanism, the guide rail mechanism and the auxiliary agent supply mechanism are respectively arranged on the machine body through mounting plates,
the central rotation control mechanism includes:
a bracket member mounted on the body;
the rotary power head component comprises a bearing assembly and a speed reducer component which are arranged on the support component, a rotating shaft which is arranged on the inner ring of the bearing assembly and the lower end of which penetrates through the support component, a gear component which connects the rotating shaft with the speed reducer component, and air cylinder installation air guide components which are arranged at the upper end and the lower end of the rotating shaft;
the push-pull cylinder part is arranged at the lower part of the rotating shaft through the cylinder installation air guide assembly;
the distribution head positioning and lifting component comprises a plurality of filling cylinders which are arranged in the bracket component in a serial connection mode, a mandrel the top end of which is connected with the filling cylinders, a distribution head lifting piece arranged at the lower end of the mandrel, a guide bearing rod and a guide bearing which are arranged on the distribution head lifting piece, a lifting guide sleeve and a left side plate component and a right side plate component which are arranged on the push-pull cylinder component,
the guide rail mechanism comprises a fixed plate fixedly arranged on the machine body, a moving plate arranged on the fixed plate in a sliding way through a guide rail sliding block component and a moving plate positioning component arranged on the fixed plate, one side of the moving plate close to the push-pull cylinder part is provided with a mounting groove, the lower end of the moving plate is fixedly connected with the corresponding auxiliary agent distributing head mechanism,
the auxiliary agent supply mechanism comprises thirty-six feeding hoses and thirty-six return hoses which are arranged on the machine body, and thirty-six auxiliary agent storage tanks and delivery pumps which are arranged outside the machine body and are respectively connected with the feeding hoses and the return hoses,
the first mechanism of auxiliary agent distribution includes:
the distribution head body is arranged at the lower end of the moving plate and is connected with the auxiliary agent supply mechanism through a hose, a cylindrical inner cavity is formed inside the distribution head body, an upper end cover is arranged at the upper end of the inner cavity, a lower end block is arranged at the lower end of the inner cavity in a sealing mode, and a conical sealing surface on a big head punch is arranged in the lower end block; a feed inlet communicated with the cylindrical inner cavity is formed in the side wall of the distribution head body, the feed inlet is communicated with a feed cavity beside the distribution head body, and a feed hose mounting hole and a backflow hose mounting hole are formed in the side surface of the feed cavity respectively;
the distribution head plunger is hermetically arranged in the lower half part of the cylindrical inner cavity and can move up and down, the upper end of the inner cavity is provided with a top surface, and the side wall is provided with three additive distribution ports with gradually increased sizes at intervals from top to bottom;
the distributing head mandrel component comprises a distributing head mandrel, a nut spring seat, a cylindrical compression spring and a pressure regulating locking piece, wherein the lower half part of the distributing head mandrel is hermetically arranged in an inner cavity of a plunger of the distributing head, the plunger is arranged on the nut spring seat on the distributing head mandrel, the bottom end of the cylindrical compression spring is arranged on the nut spring seat and penetrates through the upper half part of the distributing head mandrel, the pressure regulating locking piece is arranged on the upper end cover and used for carrying out pressure regulating and locking on the cylindrical compression spring,
the shaft shoulder of the middle part of the distributing head mandrel is propped against the top surface of the inner cavity of the distributing head plunger and is fastened through the nut spring seat, the top end of the shaft shoulder penetrates through the upper end cover and is provided with a mandrel connector connected with the distributing head lifting piece, the bottom end of the shaft shoulder is provided with a sealing gasket in a pressing way through a pressing bolt, the conical surface of the sealing gasket is matched with the conical surface in the lower end block,
the electronic weighing mechanism is placed on the ground, and the geometric center of the electronic weighing mechanism corresponds to the central position of the central rotation control mechanism;
the auxiliary agent transfer cylinder is placed on the electronic weighing mechanism, and the lower end block of the auxiliary agent distribution head mechanism is overlapped with the center of the cylinder opening.
2. The large-scale additive automatic dispensing system according to claim 1, wherein:
wherein the machine body comprises a machine frame with double-layer mounting plates, a central mounting plate arranged at the center of a lower mounting plate of the machine frame and used for mounting a central rotation control mechanism, a circular guide rail mechanism mounting plate arranged on the same layer of the central mounting plate and surrounding the central mounting plate, and a circular material joint mounting plate arranged on an upper layer and surrounding the guide rail mechanism mounting plate,
thirty-six guide rail mechanism fixing plates are fixedly arranged on the guide rail mechanism mounting plate in a circumferential mode, and thirty-six feeding hoses and thirty-six return hoses are also fixedly arranged on the material joint mounting plate in a circumferential mode.
3. The large-scale additive automatic dispensing system according to claim 1, wherein:
wherein the support component comprises a support leg, a mounting plate arranged on the support leg, a cylinder support column arranged on the mounting plate and a cylinder mounting plate arranged at the top end of the cylinder support column, a plurality of filling cylinders are arranged on the cylinder mounting plate in series and are positioned in the cylinder support column,
in the rotary power head assembly:
the bearing assembly comprises a bearing seat arranged on the mounting plate, two bearings arranged at the upper part and the lower part of an inner hole of the bearing seat, an inner supporting sleeve and an outer supporting sleeve which are respectively supported between an inner ring and an outer ring of the two bearings, and a bearing cover which is arranged on the bearing seat and tightly presses an outer ring of the upper bearing, wherein the rotating shaft is arranged in an inner ring of the bearing;
the speed reducer assembly comprises a speed reducer arranged on the mounting plate and a servo motor arranged at the input end of the speed reducer in an axial flat key mode;
the gear assembly comprises a large gear which is arranged below the bearing seat and connected with the rotating shaft through a flat key, a large gear pad which is arranged between the large gear and a lower bearing inner ring, and a small gear which is arranged on an output shaft of the speed reducer in a flat key connection mode, wherein the small gear is meshed with the large gear, and the rotation of the servo motor is converted into the rotation of the rotating shaft after being reduced by the speed reducer and the gear set in sequence;
the cylinder installation air guide assembly comprises a connecting guide sleeve, a pressing sleeve, a push-pull cylinder frame gasket and a rotary air guide joint, and the connecting guide sleeve is installed at the bottom end of the rotary shaft; the pressing sleeve is arranged on the excircle of the rotating shaft and is positioned above the connecting guide sleeve; the push-pull cylinder frame gasket is arranged at the lower end of the bull gear and used for adjusting the push-pull cylinder frame; the rotary air guide joint is arranged at the top end of the rotating shaft and is used for leading compressed air to the push-pull air cylinder rotating axially, the lower end of the shaft of the rotary air guide joint is provided with a compressed air quick-change joint which is connected with the push-pull air cylinder through an air pipe, the quick-change joint on the rotary air guide joint body is connected with the electromagnetic valve and the air source through the air pipe,
in the push-pull cylinder part, the push-pull cylinder part includes:
the push-pull cylinder frame is arranged at the lower part of the rotating shaft through the bull gear flat key, is positioned between the push-pull cylinder frame gasket and the pressing sleeve, and is pressed on the push-pull cylinder frame gasket through the pressing sleeve by the connecting guide sleeve;
the push-pull cylinder mounting plate is mounted on the side surface of the lower part of the push-pull cylinder frame;
the push-pull air cylinder is arranged on the push-pull air cylinder mounting plate;
a push-pull cylinder guide block mounted on the push-pull cylinder frame in such a manner as to oppose the push-pull cylinder and coaxial with the center of the push-pull cylinder;
a traction head which is arranged on a piston rod of the push-pull cylinder,
a piston rod of the push-pull cylinder penetrates through a middle groove of the distribution head lifting piece and a guide block of the push-pull cylinder to be connected with the traction head,
in the dispensing head positioning, lifting means:
the number of the filling cylinders is three, a piston rod of a first filling cylinder is connected with the top end of the mandrel through a cylinder connector, a second filling cylinder is installed at the tail part of the first filling cylinder through a cylinder installation block at the lower end of the piston rod, the tail part of a third filling cylinder is installed below a cylinder installation plate, and the top part of the third filling cylinder is installed at the tail part of the second filling cylinder through a cylinder installation block at the lower end of the piston rod;
the upper half part of the distribution head lifting piece is provided with a long groove, the middle part of the distribution head lifting piece is provided with a centripetal through hole which is vertical to the long groove, and the bottom end of the distribution head lifting piece is provided with a distribution head mandrel connecting groove;
the lifting guide sleeve is arranged in the center of the lower part of the push-pull cylinder frame; the left side plate assembly and the right side plate assembly comprise a left side plate and a right side plate which are symmetrically arranged on two sides of the push-pull cylinder frame, the left side plate and the right side plate are adjusted in upper and lower positions through mounting elongated slots of screws carried by the left side plate and the right side plate, and a lower pressing plate is arranged at the bottom end of the left side plate and the right side plate;
the guide bearing rod penetrates through the centripetal through hole of the distribution head lifting piece, and the two guide bearings are mounted at two ends of the guide bearing rod and are matched with the guide grooves of the left side plate and the right side plate for guiding.
4. The large-scale additive automatic dispensing system according to claim 3, wherein:
wherein, in the guide rail mechanism,
the fixed plate is of a right-angle bent plate structure, the upper end of the fixed plate is mounted on a mounting plate of a guide rail mechanism of the machine body, a guide rail is mounted on the middle upper part of the vertical surface, a mounting hole of a positioning component of the moving plate is reserved on the rear lower part, the lower end of the fixed plate is inserted into a guide groove of the guide block, and the fixed plate and the guide groove are matched to form auxiliary guide of the moving plate;
the guide rail sliding block assembly comprises a guide rail fixedly arranged on the fixing plate and sliding blocks arranged on the guide rail, the guide rail is a parallel sliding linear guide rail, and four sliding blocks are respectively arranged on two sides of the guide rail sliding block assembly;
the moving plate is vertically installed, the upper part of the side surface of the moving plate is installed on the sliding block, the rear lower part of the moving plate is provided with a taper hole with a taper angle of 120 degrees, the lower part of the side surface of the moving plate is provided with the guide block, one side of the moving plate close to the traction head is provided with a traction head installation groove, the bottom end of the moving plate is provided with a connecting plate fixedly connected with the auxiliary agent distribution head mechanism, and the moving plate moves along the guide rail to drive the guide block;
the moving plate positioning assembly comprises a positioner body fixedly arranged at the rear lower part of the fixed plate, an ejector rod arranged in a screw hole of the positioner body, a spring arranged on the ejector rod and a pressure adjusting screw arranged at the rear end of the ejector rod and used for adjusting the pressure of the ejector rod, the front end surface of the ejector rod is a spherical surface capable of being pushed into the conical hole, the spherical surface at the front end of the ejector rod is abutted against the conical hole to position and fix the moving plate, and the moving plate is kept still when not dragged.
5. The large-scale additive automatic dispensing system according to claim 1, wherein:
wherein, in the auxiliary agent dispensing head mechanism,
in the distribution head body, the upper end cover is provided with a pressure regulating locking piece mounting screw hole, the lower end block is mounted at the lower end of the cylindrical inner cavity, the upper end surface is provided with an O-shaped ring groove, an O-shaped sealing ring is mounted and then is pressed tightly to form end surface sealing,
the upper end and the lower end of the outer circular surface of the plunger of the distribution head are respectively provided with two O-shaped ring grooves, the O-shaped rings are installed to form sealing, a cylindrical cavity is arranged in the plunger from bottom to top, the lower part of the cylindrical cavity is through, the upper part of the cylindrical cavity is provided with the top surface without pushing up, and the top end of the plunger is provided with a round hole through which the core shaft of the distribution head passes; the three distribution ports are sequentially arranged between the upper sealing ring and the lower sealing ring on the outer circular surface and respectively comprise a plurality of centripetal through holes which are uniformly distributed along the circumferential direction, the size of the centripetal through hole of the lower distribution port is the largest, the size of the centripetal through hole of the middle distribution port is the next largest, the size of the centripetal through hole of the upper distribution port is the smallest, and a fast drip irrigation channel, a slow drip irrigation channel and a drip irrigation channel are respectively formed,
in the distributing head mandrel component, an O-shaped ring groove is formed in the shaft section of the distributing head mandrel, which penetrates through a circular hole in the top of the plunger, and sealing is formed after an O-shaped sealing ring is installed; the nut spring seat is arranged on a thread of the core shaft of the distribution head, which is positioned above the top of the plunger, and the plunger is fixed on the core shaft of the distribution head after being screwed; the pressure regulating locking piece comprises a pressure regulating bolt and a locking nut for locking the pressure regulating bolt, and the pressure regulating bolt is arranged in an installation screw hole of the upper end cover and is tightly pressed on the cylindrical compression spring; the mandrel connector is arranged on the top thread of the mandrel of the distributing head and is locked by the locking sleeve,
the sealing gasket at the bottom end of the core shaft of the distribution head is a polytetrafluoroethylene sealing gasket.
6. The large-scale additive automatic dispensing system according to claim 1, wherein:
wherein the electronic weighing mechanism is a high-precision electronic scale,
the electric control mechanism is arranged beside the machine body and is an electric appliance cabinet provided with a PLC and electric appliance elements, a touch screen and a control button are arranged on the disc surface of the electric appliance cabinet, and the electric appliance cabinet is electrically connected with the central rotation control mechanism, the guide rail mechanism, the auxiliary agent supply mechanism, the auxiliary agent distribution head mechanism and the electronic weighing mechanism through cables.
7. The large-scale additive automatic dispensing system according to claim 1, wherein:
wherein, the feed hoses are thirty-six in number and are used for connecting corresponding auxiliary agent feed joints on the machine body and feed inlet joints of auxiliary agent distribution head mechanisms, each auxiliary agent distribution head mechanism is provided with one auxiliary agent distribution head mechanism,
the total number of the backflow hoses is thirty-six, and the backflow hoses are used for connecting corresponding auxiliary agent backflow joints on the machine body and backflow port joints of auxiliary agent distribution head mechanisms, and each auxiliary agent distribution head mechanism is provided with one.
8. An automatic distribution method of large-scale auxiliary agents is used for automatically distributing the following 36 auxiliary agents in the production process of fine chemical products, and is characterized by comprising the following steps:
step 1, placing an electronic weighing mechanism on the ground, wherein the geometric center of the electronic weighing mechanism corresponds to the central position of a central rotation control mechanism;
under the control of a program, a central rotation control mechanism rotates a speed reducer assembly in a power head component to drive a rotating shaft to rotate through a gear assembly and a bearing assembly, and the rotating shaft drives a push-pull air cylinder frame in a push-pull air cylinder component to rotate, so that a traction head corresponds to a guide rail mechanism movable plate of a target auxiliary storage tank and is directly inserted into a traction head mounting groove in the movable plate;
step 3, a piston rod of the push-pull air cylinder pulls the moving plate centripetally through the traction head to drive the auxiliary agent distribution head mechanism to move to the center to coincide with the central rotation control mechanism;
step 4, a distribution head mandrel in the auxiliary agent distribution head mechanism passes through a side plate assembly in the central rotation control mechanism and is connected with a distribution head lifting piece through a mandrel connector on the distribution head mandrel, and meanwhile, a locking nut on an upper end cover of the distribution head is pressed at the lower end of a lower pressing plate which is arranged at the bottom ends of a left side plate and a right side plate in the left side plate assembly and the right side plate assembly;
step 5, all the piston rods of the three filling cylinders connected in series in the central rotation control mechanism retract to drive the core shaft, the distribution head lifting piece, the distribution head core shaft and the distribution head plunger to move upwards, so that the sealing gasket at the bottom end of the distribution head core shaft is separated from the conical sealing surface of the lower end block in the lower end of the cylindrical inner cavity of the distribution head body, and the upward movement is continued to enable the largest-sized distribution port at the lower end on the side wall of the distribution head plunger to be communicated with the feeding port on the side wall of the distribution head shell, so that the rapid filling of the auxiliary; then, only pushing out a piston rod of a third filling cylinder to push a core shaft of the distribution head to move downwards, so that a middle distribution opening with the next size in the middle on the side wall of a plunger piston of the distribution head is communicated with a feed inlet on the side wall of a shell of the distribution head, and the slow filling of the auxiliary agent is realized; then, the piston rod of the second filling air cylinder is also pushed out, the core shaft of the distribution head is continuously pushed to move downwards, so that the small distribution port with the minimum size at the upper end on the side wall of the plunger of the distribution head is communicated with the feed inlet on the side wall of the shell of the distribution head, the first filling air cylinder piston rod is intermittently pushed out and retracted according to a program to realize drip irrigation of the auxiliary agent, when the electronic weighing mechanism detects the weight of the filling auxiliary agent to a preset value, the first filling air cylinder piston rod pushes out to push the core shaft of the distribution head to the bottommost end, and the conical surface of the sealing gasket is matched with the conical surface of;
and 6, separating the auxiliary agent distribution head mechanism from the central rotation control mechanism, pushing a pull head by a push-pull air cylinder piston rod to return the current guide rail mechanism and the auxiliary agent distribution head mechanism to the original position, repeating the steps 2-5, filling the next auxiliary agent, and manually taking away and pouring the auxiliary agent into the reaction kettle after all the auxiliary agents are uniformly distributed.
CN201811311841.9A 2018-11-06 2018-11-06 Large-scale auxiliary agent automatic distribution system and distribution method Active CN109573125B (en)

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