CN212862050U - Quantitative packaging system of vacuum lifting quantitative packaging machine - Google Patents

Abstract

A quantitative packaging system of a vacuum lifting quantitative packaging machine comprises a conveying groove, a vibrator, a transmission case II and a metering hopper; one end of the conveying groove is used as a material inlet and is arranged in alignment with the material distributing outlet of the material storage barrel, the bottom of the conveying groove is connected with the vibrator, the other end of the conveying groove is used as a material conveying outlet, and conveyed materials enter the metering hopper; the vibrator is connected with the transmission case II; the metering hopper is stably hung on a hopper connecting plate of the metering detector, the metering is detected by the metering detector, and the discharging is controlled by a discharging control device connected with the transmission case II; the utility model discloses by little control system control ration packing, equipment is tight short, and ration packing raw materials reacts rapidly, and production efficiency is high.

Description

Quantitative packaging system of vacuum lifting quantitative packaging machine

Technical Field

The utility model belongs to the technical field of machinery, concretely relates to vacuum promotes quantitative packagine machine quantitative packaging system.

Background

Grain, particulate matter such as fodder and industrial chemicals need quantitative packing, current large-scale machinery, particulate matter raw materials promotes and quantitative equipment for packing separation installation, raw materials promotes and quantitative packing independent control operation, it is difficult to the balanced matching to lead to raw materials to promote and quantitative raw materials for packing, productivity is lower, high in production cost, especially many varieties, small batch volume raw materials are difficult to realize mechanized automation mechanized operation, need a quick promotion, quantitative packing assorted automatic packaging machinery urgently.

Disclosure of Invention

An object of the utility model is to provide a vacuum promotes quantitative packagine machine quantitative packaging system, the technical scheme of adoption is: the vacuum lifting quantitative packaging machine consists of a raw material bin, a vacuum lifting system, a quantitative packaging system and a micro-control system; the vacuum lifting system is arranged on the vacuum lifting system bracket through the base, the quantitative packaging system is arranged on the quantitative packaging system bracket, the vacuum lifting system is arranged on the quantitative packaging system, and the central axes of the vacuum lifting system and the quantitative packaging system are on the same straight line; the micro-control system controls the lifting raw materials to be matched with the quantitative packaging raw materials in a balanced manner.

The vacuum lifting system consists of a vacuum pump, a gas-material separation bin, a spring material suction pipe, a discharge bin, a storage barrel and a transmission case, and the central axes of the vacuum pump, the gas-material separation bin, the discharge bin and the storage barrel are on the same straight line and are sequentially connected and installed from top to bottom; the vacuum pump is connected with the upper outlet of the gas-material separation bin through a lock catch, and an air outlet is formed in the vacuum pump; the upper end of the spring material suction pipe is connected with the discharge bin, and the lower end of the spring material suction pipe is inserted into the raw material in the raw material bin; the lower outlet of the gas-material separation bin is connected with the upper end feeding port of the discharging bin, and the lower end discharging port of the discharging bin is connected with the storage barrel; the transmission case of the vacuum lifting system is connected with the vacuum pump and provides a power supply for the vacuum pump;

preferably, 2 layers of separating screens are arranged between the vacuum pump and the gas-material separating bin;

the quantitative packaging system consists of a conveying groove, a vibrator, a transmission case and a metering hopper; one end of the conveying groove is used as a material inlet and is arranged in alignment with the material distributing outlet of the material storage barrel, the bottom of the conveying groove is connected with the vibrator, the other end of the conveying groove is used as a material conveying outlet, and conveyed materials enter the metering hopper; the vibrator is connected with the transmission case; the metering hopper is stably hung on a hopper connecting plate of the metering detector, the metering is detected by the metering detector, and the discharging is controlled by a discharging control device connected with a transmission case of the quantitative packaging system; the conveying trough, the vibrator, the quantitative packaging system transmission box and the metering hopper are arranged in a closed frame body, and a transparent observation door is arranged on the periphery of the frame body;

the lower part of the gas-material separation bin is provided with a cover plate, the cover plate is connected with the left end of the gas-material separation bin through a rotating shaft, the left end of the cover plate is provided with a counterweight rod, and the cover plate and the counterweight rod rotate by taking the rotating shaft as an axis;

preferably, the weight of the balance weight rod is larger than that of the cover plate, so that the cover plate is tightly attached and sealed to an outlet at the lower end of the gas-material separation bin; when the materials of the gas-material separation bin fall on the cover plate, the cover plate is opened by the gravity of the materials to discharge the materials, and the cover plate is automatically returned and sealed at the outlet at the lower end of the gas-material separation bin by the gravity of the counterweight rod after the discharge of the materials is finished;

the lower end of the storage barrel is provided with a plurality of material distributing outlets, and the conveying troughs are correspondingly matched and arranged at the lower ends of the material distributing outlets;

the number and the size of the inlets of the plurality of metering hoppers are matched with those of the distributing outlets, and each metering hopper consists of a hopper body, 2 movable bin gates and a chain rod system; the chain rod system is used for controlling the opening and closing of the movable bin doors by 2;

the chain rod system consists of 1 pair of connecting plates, a discharging pull rod, 2 measuring hopper supporting rods, a movable pull rod and a rotating shaft; the 1 pair of connecting plates are correspondingly arranged on the outer side of the hopper body through the 2 pairs of rotating shafts;

preferably, 2 movable bin doors are of U-shaped structures and are mutually connected, matched and sealed; 2 movable bin gates are movably arranged on the outer sides of the 1 pairs of connecting plates through the corresponding 1 pair of rotating shafts;

the 2 measuring hopper supporting rods are fixedly linked on the 1 pair of connecting plates, and springs are arranged between the 1 measuring hopper supporting rods and the movable pull rod;

the metering hopper is stably hung on a hopper connecting plate of the metering detector, the hopper connecting plate is of a structure that the left side and the right side are tilted and the upper end is provided with a buckle structure, the hopper connecting plate is fixed with a metering hack lever through a metering hack lever bolt, the other end of the metering hack lever is connected with the metering detector, and the metering detector is arranged in a transmission box of a quantitative packaging system; the measuring hopper supporting rod is correspondingly arranged in the buckle structure at the upper end of the hopper connecting plate and correspondingly abutted against the hopper connecting plate;

the metering hopper is controlled to discharge by a discharge control device connected with the transmission case;

the micro control system consists of a control button, a micro control unit MCU, a display panel, a photoelectric sensor and a metering detector, and is matched with the vacuum lifting system and the quantitative packaging system for installation; the display panel consists of a keyboard and a display screen, and the display panel is spliced with the micro control unit MCU into a whole; the photoelectric sensor is arranged on the side surface of the discharge hole and used for detecting a sensing signal of a collected package, and the model of the photoelectric sensor is CDD-40N 125140105S; the metering detector collects metering signals of the metering hopper;

the power line is connected with and supplies power to the micro control unit MCU, the vacuum lifting system transmission case, the quantitative packaging system transmission case, the photoelectric sensor and the metering detector through the control button, and the micro control unit MCU is connected with the keyboard, the display screen, the transmission case I (3), the vacuum lifting system transmission case, the quantitative packaging system transmission case and the metering detector;

the working principle of the micro-control system comprises the following steps:

(1) manually setting a measurement quality value and a vacuum adsorption raw material speed: starting a control button, switching on a power supply, manually setting a unit metering quality value of a packaging material and the speed of raw material adsorption of a vacuum pump through a keyboard, and displaying the unit metering quality value and the speed on a display panel through a Micro Control Unit (MCU);

(2) and (3) vacuum lifting of materials: connecting a power supply of a transmission case of the vacuum lifting system, adsorbing the raw material from the raw material bin to the gas-material separation bin by the material through a spring material suction pipe connected with a vacuum pump, inputting the material into a storage bucket through intermittent sinking of a cover plate, and delivering the material into a delivery chute through a material distribution outlet at the bottom of the storage bucket;

(3) material metering: the power supply of the transmission case of the quantitative packaging system is switched on, the micro control unit MCU controls the vibrator connected with the transmission case of the quantitative packaging system to start according to the metering signal of the metering detector, and the conveying groove conveys the material into the metering hopper under the operation of the vibrator; when the materials in the metering hopper reach a metering quality value, the metering detector transmits a metering signal to the micro control unit MCU, and the micro control unit MCU controls a vibrator connected with a transmission box of the quantitative packaging system to stop;

(4) packaging materials: when a packing material is sleeved on the discharge port, the photoelectric sensor transmits a packing material signal to the micro control unit MCU, the micro control unit MCU starts a transmission box of the quantitative packing system, and a rotating shaft of the discharge control device drives the discharge connecting plate to rotate for a circle and stop; when the discharge connecting plate rotates 180 degrees, 2 movable bin doors are opened to complete the discharge procedure of the metering hopper, and materials enter a package through a discharge port; when the discharge connecting plate rotates for 360 degrees, 2 movable bin doors are closed, the micro control unit MCU starts the vibrator connected with the transmission case of the quantitative packaging system again, and the conveying groove conveys the materials into the metering hopper again in the operation of the vibrator; and (5) circularly reciprocating to repeatedly finish bagging work.

Preferably, 2 separating screens are arranged between the vacuum pump and the gas-material separating bin, wherein the screen hole diameter of the lower separating screen is 20-40 meshes, and the screen hole diameter of the upper separating screen is 80-90 meshes.

Compared with the prior art, the utility model discloses following obvious technological effect has: the micro-control system controls the speed of lifting the raw materials to be matched with the quantitative packaging raw materials in a balanced manner, the equipment is compact, the vacuum lifting raw materials and the quantitative packaging raw materials react quickly, and the production efficiency is high.

Drawings

Fig. 1 is a schematic front view of the vacuum lifting quantitative packaging machine of the present invention;

fig. 2 is a left side view structural schematic diagram of the vacuum lifting quantitative packaging machine of the present invention;

FIG. 3 is a schematic cross-sectional structural view of the separating screen of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the cover plate of FIG. 2;

FIG. 5 is a schematic front view of the weighing hopper of FIG. 1;

FIG. 6 is a schematic top view of the weighing hopper of FIG. 5;

FIG. 7 is a schematic diagram of the right side view of the weighing hopper of FIG. 5;

FIG. 8 is a schematic structural view of the weighing hopper of FIG. 5 from the back;

FIG. 9 is a cross-sectional view of the hopper of FIG. 2;

FIG. 10 is a schematic view of the control system control concept;

illustration of the drawings: 1-a vacuum lift system; 1-1-vacuum pump; 2-air outlet; 3-a transmission case I; 4-spring material suction pipe; 5-vacuum lifting system support; 6-gas material separation bin; 7-a counterweight rod; 8-discharging a bin; 9-discharge port I; 10-a base; 11-a storage barrel; 12-a quantitative packaging system support; 13-a conveying trough; 14-a discharge control device; 14-1-rotating shaft, 14-2-discharging connecting plate; 14-3-a rotational bearing; 15-raw material bin; 16-a hopper connection plate; 17-a micro control unit MCU; 18-a display panel; 19-a discharge port II; 20-a vibrator; 21-transmission case II; 22-a dosing hopper; 23-a photoelectric sensor; 24-control buttons; 25-a spring; 26-a connecting plate; 27-a movable pull rod I; 28-movable bin gate I; 29-movable bin gate II; 30-a discharge pull rod; 31-a weighing hopper support bar I; 32-a metering hopper support bar II; 33-separating screen I; 34-separating screen II; 35-cover plate, 36-quantitative packaging system, 37-rotating shaft I, 38-material distributing outlet; 39-movable pull rod II; 40-rotation axis II; 41-rotation axis III; 41-1-handle of the chain; 41-2-rotation axis IV; 42-a movable pull rod III; 43-rotation axis V; 44-axis of rotation VI; 45-movable pull rod IV; 46-rotation axis VII; 47-rotation axis IX; 48-a hopper body; 49-power supply line; 50-a keyboard; 51-a metrology detector; 52-display screen; 54-metrology frame bar bolts.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Example 1

The utility model provides a quantitative packaging system of a vacuum lifting quantitative packaging machine, which is shown in figures 1 and 2, wherein the vacuum lifting quantitative packaging machine consists of a raw material bin 15, a vacuum lifting system 1, a quantitative packaging system 36 and a micro-control system; the vacuum lifting system 1 is arranged on a vacuum lifting system bracket 5 through a base 10, the quantitative packaging system 36 is arranged on a quantitative packaging system bracket 12, the vacuum lifting system 1 is arranged on the quantitative packaging system 36, and the central axes of the vacuum lifting system 1 and the quantitative packaging system 36 are on the same straight line;

the vacuum lifting system 1 consists of a vacuum pump 1-1, a gas-material separation bin 6, a spring material suction pipe 4, a discharge bin 8, a storage barrel 11 and a transmission case I3, and the central axes of the vacuum pump 1-1, the gas-material separation bin 6, the discharge bin 8 and the storage barrel 11 are on the same straight line and are sequentially connected and installed from top to bottom; the vacuum pump 1-1 is connected with the upper outlet of the gas-material separation bin 6 through a lock catch, and an air outlet 2 is arranged on the vacuum pump 1-1; the upper end of the spring material suction pipe 4 is connected with the discharge bin 8, and the lower end of the spring material suction pipe is inserted into the raw material in the raw material bin 15; the lower outlet of the gas-material separation bin 6 is connected with the upper end feeding port of the discharging bin 8, and the lower end discharging port I9 of the discharging bin 8 is connected with the storage barrel 11; the transmission case I3 is connected with the vacuum pump 1-1 and provides power supply for the vacuum pump 1-1;

preferably, a separating screen I33 and a separating screen II34 are arranged between the vacuum pump 1-1 and the gas-material separating bin 6, as shown in figures 2 and 3, the mesh diameter of the separating screen I33 is 20-40 meshes, and the mesh diameter of the separating screen II34 is 80-90 meshes;

the quantitative packaging system 36 consists of a conveying groove 13, a vibrator 20, a transmission case II21 and a metering hopper 22; as shown in fig. 1 and 2, the trough 13 has one end as a material inlet and is installed in alignment with the material outlet 38 of the storage tank 11, and the bottom thereof is connected to the vibrator 20, and the other end as a material conveying outlet, and conveys the material into the weighing hopper 22: the vibrator 20 is connected with a transmission case II 21; the measuring hopper 22 is stably hung on the hopper connecting plate 16 of the measuring detector 51, the measuring detector 51 detects the measuring, and the discharging control device 14 connected with the transmission case II21 controls the discharging; the conveying groove 13, the vibrator 20, the transmission box II21 and the metering hopper 22 are arranged in a closed frame body, and a transparent observation door is arranged on the periphery of the frame body;

as shown in fig. 2 and 4, a cover plate 35 is disposed at the lower part of the gas-material separation bin 6, the cover plate 35 is connected to the left end of the gas-material separation bin 6 through a rotating shaft I37, a weight lever 7 is disposed at the left end of the cover plate 35, and the cover plate 35 and the weight lever 7 rotate around the rotating shaft I37;

preferably, the weight of the balance weight rod 7 is greater than that of the cover plate 35, so that the cover plate 35 is tightly attached and sealed to the outlet at the lower end of the gas-material separation bin 6; when the material of the gas-material separation bin 6 falls on the cover plate 35, the cover plate 35 is opened by the gravity of the material to discharge the material, and the cover plate 35 automatically returns to be sealed at the outlet at the lower end of the gas-material separation bin 6 by the gravity of the balance weight 7 after the material is discharged;

as shown in fig. 1 and 2, the lower end of the storage bin 11 is provided with a plurality of distributing outlets 38, and the conveying chute 13 is correspondingly and fittingly installed at the lower end of the distributing outlets 38;

the number and the size of the inlets of the plurality of metering hoppers 22 are matched with those of the material distribution outlets 38, and each metering hopper 22 consists of a hopper body 48, a movable bin gate I28, a movable bin gate II29 and a chain rod system; the chain rod system is used for controlling the opening and closing of the movable bin door I28 and the movable bin door II 29;

as shown in fig. 5-8, the chain bar system comprises 1 pair of connecting plates 26, a discharging pull bar 30, a measuring hopper supporting bar I31, a measuring hopper supporting bar II32, a movable pull bar and a rotating shaft; the specific implementation mode is as follows:

as shown in fig. 5 and 8, 1 pair of connection plates 26 are attached to the outside of the hopper body 48 by corresponding to 1 pair of rotation shafts V43 and 1 pair of rotation shafts VII 46;

preferably, the movable bin gate I28 and the movable bin gate II29 are U-shaped structures, and the size of the movable bin gate I28 is smaller than that of the movable bin gate II29, and the movable bin gate I28 and the movable bin gate II29 are mutually connected, matched and sealed; the movable bin gate I28 is movably mounted on the outer sides of 1 pair of connecting plates 26 through 1 pair of rotating shafts V43, and the movable bin gate II29 is movably mounted on the outer sides of 1 pair of connecting plates 26 through 1 pair of rotating shafts VII 46;

the movable pull rod comprises a movable pull rod I27, a movable pull rod II39, a movable pull rod III42 and a movable pull rod IV 45;

the rotating shafts comprise a rotating shaft I37, a rotating shaft II40, a rotating shaft III41, a rotating shaft IV41-2, a rotating shaft V43, a rotating shaft VI44, a rotating shaft VII46 and a rotating shaft IX 47;

as shown in fig. 7, the weighing hopper support rod I31 and the weighing hopper support rod II32 are fixedly linked to 1 pair of connecting plates 26, and a spring 25 is arranged between the weighing hopper support rod I31 and the movable pull rod II 39;

as shown in fig. 6, the chain handle 41-1 connected to the rear end of the discharging pull rod 30 is movably connected to the connecting plate 26 at the rear side through a rotating shaft IV41-2, and the front end of the discharging pull rod 30 is fixedly connected to a movable pull rod II 39;

as shown in fig. 5-6, the right end of the movable pull rod II39 is movably connected with the connecting plate 26 at the front side through a rotating shaft II40, and the left end thereof is movably connected with the right end of the movable pull rod I27 through a rotating shaft III 41; the left end of the movable pull rod I27 is movably connected with the right end of the movable pull rod III42 through a rotating shaft, and the left end of the movable pull rod III42 is fixedly connected with the movable bin door I28; the right end of the movable pull rod IV45 is movably connected with a rotating shaft VI44 of the movable bin door I28, and the left end of the movable pull rod IV45 is movably connected with a rotating shaft IX47 on the movable bin door II 29;

the weighing hopper 22 is stably hung on the hopper connecting plate 16 of the weighing detector 51, as shown in fig. 2 and 9, the hopper connecting plate 16 is tilted at the left side and the right side and is provided with a buckle structure at the upper end, the hopper connecting plate 16 is fixed with the weighing frame rod through a weighing frame rod bolt (54), the other end of the weighing frame rod is connected with the weighing detector 51, and the weighing detector 51 is installed in a transmission case II 21; the measuring hopper supporting rod I31 is correspondingly placed in the buckling structure at the upper end of the hopper connecting plate 16, and the measuring hopper supporting rod II32 is correspondingly abutted against the hopper connecting plate 16;

the metering hopper 22 is controlled to discharge by a discharge control device 14 connected with a transmission case II 21; as shown in fig. 2 and 9, the discharging control device 14 comprises a rotating shaft 14-1, a discharging connecting plate 14-2 and two rotating bearings 14-3, wherein the discharging connecting plate 14-2 is connected with the rotating shaft 14-1, and a transmission case II21 is connected with the rotating shaft 14-1 and provides power; the discharging connecting plate 14-2 is of a balance wheel triangle structure, and two rotating bearings 14-3 are arranged at the tail ends of the discharging connecting plate; the discharge pull rod 30 of the metering hopper 22 is correspondingly arranged on the two rotating bearings 14-3; as shown in fig. 5 and 7, when the weighing hopper 22 is filled with a predetermined material mass, the weighing detector 51 transfers the weighing information to the micro control system and starts the transmission case II21 power system, the rotating shaft 14-1 and the connected discharging connecting plate 14-2 rotate, when the two rotating bearings 14-3 rotate to the high position, the discharging pull rod 30 is pushed upwards, so that the movable pull rod II39 connected with the discharging pull rod 30 rotates clockwise around the rotating shaft II40, the spring 25 connected with the movable pull rod II39 extends, the movable pull rod I27 and the movable pull rod III42 are pulled to move upwards in turn, and the movable door I28 rotates counterclockwise around the rotating shaft V43; meanwhile, the rotating shaft VI44 on the movable bin gate I28 rotates anticlockwise to enable the movable pull rod IV45 to push the movable bin gate II29 taking the rotating shaft VII46 as the axis to rotate clockwise, so that the opening processes of the movable bin gate I28 and the movable bin gate II29 can be realized, and the discharging program of the metering hopper 22 is completed; when the two rotary bearings 14-3 rotate to the low position, the contraction force of the spring 25 enables the movable pull rod II39 to rotate anticlockwise by taking the rotary shaft II40 as an axis, and the chain rod system moves to enable the movable bin gate I28 to rotate clockwise and the movable bin gate II29 to rotate anticlockwise, so that the closing program of the metering hopper 22 can be completed;

the micro-control system consists of a control button 24, a micro-control unit MCU17, a display panel 18, a photoelectric sensor 23 and a metering detector 51, and is installed in a matching way with the vacuum lifting system 1 and the quantitative packaging system 36; as shown in fig. 2 and 10, the display panel 18 is composed of a keyboard 50 and a display screen 52, the display panel 18 and the micro control unit MCU17 are spliced into a whole and are installed behind the discharge port II 19; the photoelectric sensor 23 is arranged on the side surface of the discharge port II19 and is used for detecting sensing signals of collected packages, and the model of the photoelectric sensor 23 is CDD-40N 125140105S; the metering detector 51 is arranged in the transmission case II21, and the metering detector 51 collects metering signals of the metering hopper 16;

the power cord 49 is connected with the micro control unit MCU17, the transmission case I3, the transmission case II21, the photoelectric sensor 23 and the metering detector 51 through the control button 24 and provides power, and the micro control unit MCU17 is connected with the keyboard 50, the display screen 52, the transmission case I3, the transmission case II21, the photoelectric sensor 23 and the metering detector 51;

the working principle of the micro-control system comprises the following steps:

(1) manually setting the measurement quality value and the vacuum raw material adsorption speed. Starting the control button 24, switching on the power supply, manually setting the unit metering quality value of the packaging material and the speed of the raw material adsorbed by the vacuum pump 1-1 through the keyboard 50, and displaying the values on the display panel 18 through the micro control unit MCU 17;

(2) and (5) lifting the materials in vacuum. The power supply of the transmission case I3 is switched on, the materials adsorb the raw materials from the raw material bin 15 to the gas-material separation bin 6 through the spring material suction pipe 4 connected with the vacuum pump 1-1, the materials intermittently sink through the cover plate 35 and are input into the storage barrel 11, and the materials are conveyed into the conveying groove 13 through the material distribution outlet 38 at the bottom of the storage barrel 11;

(3) and (6) metering materials. The power supply of the transmission box II21 is switched on, the micro control unit MCU17 controls the vibrator 20 connected with the transmission box II21 to start according to the metering signal of the metering detector 51, and the conveying chute 13 conveys the materials into the metering hopper 22 under the operation of the vibrator 20; when the materials in the metering hopper 22 reach the metering quality value, the metering detector 51 transmits a metering signal to the MCU17, and the MCU17 controls the vibrator 20 connected with the transmission box II21 to stop;

(4) and (6) packaging the materials. When a packing is sleeved on the discharge port II19, the photoelectric sensor 23 transmits a packing signal to the micro control unit MCU17, the micro control unit MCU17 starts the transmission box II21, and the rotating shaft 14-1 of the discharge control device 14 drives the discharge connecting plate 14-2 to rotate for a circle and stop; when the discharge connecting plate 14-2 rotates 180 degrees, the movable bin gate I28 and the movable bin gate II29 are opened to complete the discharge procedure of the metering hopper 22, and the materials enter a package through the discharge port II 19; when the discharging connecting plate 14-2 rotates 360 degrees, the movable bin gate I28 and the movable bin gate II29 are closed, the micro control unit MCU17 restarts the vibrator 20 connected with the transmission box II21, and the conveying groove 13 conveys the materials into the metering hopper 22 again in the operation of the vibrator 20; and (5) circularly reciprocating to repeatedly finish bagging work.

Claims (2)

1. The utility model provides a vacuum promotes quantitative packagine machine ration packaging system which characterized in that: the quantitative packaging system (36) consists of a conveying groove (13), a vibrator (20), a transmission case II (21) and a metering hopper (22); one end of the conveying groove (13) is used as a material inlet and is arranged in alignment with a material distribution outlet (38) of the material storage barrel (11), the bottom of the conveying groove is connected with the vibrator (20), the other end of the conveying groove is used as a material conveying outlet, and conveyed materials enter the metering hopper (22); the vibrator (20) is connected with the transmission case II (21); the metering hopper (22) is stably hung on a hopper connecting plate (16) of the metering detector (51), the metering is detected by the metering detector (51), and the discharging is controlled by a discharging control device (14) connected with the transmission case II (21); the conveying groove (13), the vibrator (20), the transmission box II (21) and the metering hopper (22) are arranged in a closed frame body, and a transparent observation door is arranged on the periphery of the frame body;

the number of the metering hoppers (22) is matched with the number and the sizes of the inlets of the metering hoppers (22) and the material distribution outlets (38), and each metering hopper (22) consists of a hopper body (48), a movable bin gate I (28), a movable bin gate II (29) and a chain rod system; the chain rod system is used for controlling the opening and closing of the movable bin door I (28) and the movable bin door II (29);

the chain rod system consists of 1 pair of connecting plates (26), a feeding pull rod (30), a measuring hopper supporting rod I (31), a measuring hopper supporting rod II (32), a movable pull rod and a rotating shaft; the specific implementation mode is as follows: the 1 pair of connecting plates (26) are correspondingly arranged on the outer side of the hopper main body (48) through the 1 pair of rotating shafts V (43) and the 1 pair of rotating shafts VII (46);

the movable bin gate I (28) and the movable bin gate II (29) are of U-shaped structures, the size of the movable bin gate I (28) is smaller than that of the movable bin gate II (29), and the movable bin gate I (28) and the movable bin gate II (29) are mutually connected, matched and sealed; the movable bin gate I (28) is movably arranged at the outer sides of 1 pair of connecting plates (26) through 1 pair of rotating shafts V (43), and the movable bin gate II (29) is movably arranged at the outer sides of 1 pair of connecting plates (26) through 1 pair of rotating shafts VII (46);

the movable pull rod comprises a movable pull rod I (27), a movable pull rod II (39), a movable pull rod III (42) and a movable pull rod IV (45);

the rotating shafts comprise a rotating shaft I (37), a rotating shaft II (40), a rotating shaft III (41), a rotating shaft IV (41-2), a rotating shaft V (43), a rotating shaft VI (44), a rotating shaft VII (46) and a rotating shaft IX (47);

the measuring hopper supporting rod I (31) and the measuring hopper supporting rod II (32) are fixedly linked on 1 pair of connecting plates (26), and a spring (25) is arranged between the measuring hopper supporting rod I (31) and the movable pull rod II (39);

the chain handle (41-1) connected with the rear end of the discharging pull rod (30) is movably connected with the connecting plate (26) at the rear side through a rotating shaft IV (41-2), and the front end of the discharging pull rod (30) is fixedly connected with the movable pull rod II (39);

the right end of the movable pull rod II (39) is movably connected with the connecting plate (26) at the front side through a rotating shaft II (40), and the left end of the movable pull rod II is movably connected with the right end of the movable pull rod I (27) through a rotating shaft III (41); the left end of the movable pull rod I (27) is movably connected with the right end of the movable pull rod III (42) through a rotating shaft, and the left end of the movable pull rod III (42) is fixedly connected with the movable bin door I (28); the right end of the movable pull rod IV (45) is movably connected with a rotating shaft VI (44) of the movable bin door I (28), and the left end of the movable pull rod IV is movably connected with a rotating shaft IX (47) on the movable bin door II (29);

the metering hopper (22) is stably hung on a hopper connecting plate (16) of the metering detector (51), the hopper connecting plate (16) is tilted on the left side and the right side and is provided with a buckle structure at the upper end, the hopper connecting plate (16) is fixed with a metering frame rod through a metering frame rod bolt (54), the other end of the metering frame rod is connected with the metering detector (51), and the metering detector (51) is arranged in a transmission case II (21); the measuring hopper supporting rod I (31) is correspondingly placed in a buckle structure at the upper end of the hopper connecting plate (16), and the measuring hopper supporting rod II (32) is correspondingly abutted to the hopper connecting plate (16);

the metering hopper (22) is controlled by a discharge control device (14) connected with the transmission case II (21) to discharge.

2. The quantitative packaging system of a vacuum lifting quantitative packaging machine according to claim 1, wherein: the discharging control device (14) consists of a rotating shaft (14-1), a discharging connecting plate (14-2) and two rotating bearings (14-3), the discharging connecting plate (14-2) is connected with the rotating shaft (14-1), and a transmission case II (21) is connected with the rotating shaft (14-1) and provides power; the discharging connecting plate (14-2) is of a balance wheel triangle structure, and two rotating bearings (14-3) are arranged at the tail end of the discharging connecting plate; the discharging pull rod (30) of the metering hopper (22) is correspondingly arranged on the two rotating bearings (14-3); when the metering hopper (22) is filled with preset material quality, metering information of a metering detector (51) is transmitted to a micro control system and a power system of a transmission case II (21) is started, a rotating shaft (14-1) and a discharging connecting plate (14-2) connected with the rotating shaft rotate, and when two rotating bearings (14-3) rotate to a high position, a discharging pull rod (30) is pushed upwards, so that a movable pull rod II (39) connected with the discharging pull rod (30) rotates clockwise by taking the rotating shaft II (40) as an axis, a spring (25) connected with the movable pull rod II (39) extends to sequentially pull a movable pull rod I (27) and a movable pull rod III (42) to move upwards, and a movable bin gate I (28) rotates anticlockwise by taking a rotating shaft V (43) as the axis; meanwhile, the rotating shaft VI (44) on the movable bin gate I (28) rotates anticlockwise to enable the movable pull rod IV (45) to push the movable bin gate II (29) with the rotating shaft VII (46) as the axis to rotate clockwise, so that the opening processes of the movable bin gate I (28) and the movable bin gate II (29) can be realized, and the discharging program of the metering hopper (22) is completed; when the two rotary bearings (14-3) rotate to a low position, the contraction force of the spring (25) enables the movable pull rod II (39) to rotate anticlockwise by taking the rotary shaft II (40) as an axis, and the chain rod system moves to enable the movable bin gate I (28) to rotate clockwise and the movable bin gate II (29) to rotate anticlockwise, so that the closing program of the metering hopper (22) can be completed.

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