CN114604458B

CN114604458B - Equivalent boxing and transferring mechanism of food packaging machinery

Info

Publication number: CN114604458B
Application number: CN202210529780.3A
Authority: CN
Inventors: 李国华
Original assignee: JIANGSU TENGTONG PACKING MACHINERY CO LTD
Current assignee: JIANGSU TENGTONG PACKING MACHINERY CO LTD
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-07-19
Anticipated expiration: 2042-05-16
Also published as: CN114604458A

Abstract

The invention discloses an equivalent boxing and transferring mechanism of food packaging machinery, which comprises a machine body, wherein a pneumatic pump is arranged on the inner bottom wall of the machine body, a driving motor is arranged on the pneumatic pump, a driving shaft is fixedly arranged on a machine shaft of the driving motor, the upper end of the driving shaft is rotatably inserted on the top wall of the machine body, a core column is fixedly arranged on the driving shaft, four blanking grooves penetrating through the top wall of the core column are symmetrically formed in the side wall of the core column, a gravity quantifying mechanism is arranged in each blanking groove, and a magnetic force triggering mechanism is arranged on the inner bottom wall of the machine body. According to the invention, the products are automatically arranged one by utilizing the self gravity of the products, so that the product packaging is more orderly and can be continuously carried out, multiple packaging steps are integrated in the same machine body to be sequentially transported in a rotating mode, the efficiency is higher, the occupied space is small, the energy consumption is low, the structure is simpler, biscuits are not pressed in the whole process, and the product quality is higher.

Description

Equivalent boxing and transferring mechanism of food packaging machinery

Technical Field

The invention relates to the field of food packaging machinery, in particular to an equivalent boxing and transferring mechanism of the food packaging machinery.

Background

Present food packaging machinery adopts the manipulator to carry out the partial shipment range to each packing step usually, make the biscuit quantity in every packing finished product keep unanimous, but when using the manipulator to carry out the categorised packing range, because the manipulator need reciprocal snatch and place, lead to whole packing efficiency to descend, and the manipulator need exert pressure to the biscuit when snatching, there may be that too big pressure leads to the biscuit cracked or the not enough biscuit that leads to of pressure to drop and influence product quality, and every manipulator can only carry out specific work, therefore, have the pail pack, multiple packing steps such as drawer box and sealed paper need a plurality of manipulators or multiple equipment cooperation to go on, cause whole mechanical occupation space big, the complex and energy consumption of system architecture component design is great.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, the mechanical arm classification transportation and packaging efficiency is low, products are easy to damage, multiple mechanical arms are needed to operate multiple packaging steps in the packaging process, the structure is complex, the occupied space is large, and the energy consumption is high, and provides an equivalent boxing transportation mechanism of a food packaging machine.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an equivalent dress box transfer mechanism of food packaging machinery, includes the organism, the interior bottom wall of organism is installed the pneumatic pump, install driving motor on the pneumatic pump, driving motor's epaxial fixed mounting has the drive shaft, the upper end of drive shaft is rotated and is inserted and establish on the organism roof, fixed mounting has the stem in the drive shaft, the symmetry is seted up four blanking slots that run through its roof on the lateral wall of stem, every install gravity dosing mechanism in the blanking slot, the interior bottom wall of organism is installed magnetic force trigger mechanism, install the pump pressure pipe on the pneumatic pump, the pump pressure pipe is kept away from the one end of pneumatic pump and is extended to driving motor's top and install magnetic force sealing mechanism, every gravity dosing mechanism is including sliding the support guide arm of inserting and establishing corresponding blanking slot bottom portion, every the charging tray is all installed to the upper end of support guide arm, every spacing recess has all been seted up between two parties to the upper surface of charging tray, every it fixes the gravity-feed induction spring on charging tray and charging chute respectively to all overlap on the support arm, four intercommunication charging chute's right angle gas pocket, every are seted up to the bottom symmetry of stem the equal sealed slidable mounting of horizontal segment in right angle gas pocket has atmospheric pressure piston, every the ejector pin is all installed to one side that atmospheric pressure piston is close to the charging chute, every all overlap on the ejector pin and be equipped with the reset spring that both ends were fixed respectively on atmospheric pressure piston and right angle gas pocket, every the one end that atmospheric pressure piston was kept away from to the ejector pin all flushes with the inner wall of charging chute, every the height of ejector pin all is higher than the height of the charging tray that corresponds.

Further, magnetic force trigger mechanism is including fixing the reference column on the diapire in the organism, the fixed cover in upper end of reference column is established and is installed the holding ring, the symmetry slides on the holding ring and inserts and be equipped with two conducting rods, every the upper end of conducting rod all extends to the top and the fixed mounting of holding ring has a conducting strip, every the lower extreme of conducting rod all extends to the below and the fixed mounting of holding ring has conductive spring, every the equal lower extreme of conductive spring all fixes on the interior diapire of organism.

Further, every the lower extreme of supporting the guide arm all extends to the below of stem and installs the positioning disk, every two magnetism contact, every are installed to the equal symmetry in bottom of positioning disk the upper surface of charging tray all installs the heat-seal ring, the diameter of heat-seal ring is greater than the diameter of spacing recess.

Furthermore, the distance between each support guide rod and the axis of the driving shaft is equal to the distance between the positioning column and the axis of the driving shaft, the distance between the two conducting strips is equal to the distance between the two magnetic contact strips on the same positioning disk, and the two conducting strips and the two magnetic contact strips on the same positioning disk are arranged in the radial direction relative to the axis of the driving shaft.

Further, magnetic seal mechanism is including installing the go-between on the pump pressure pipe, annular equidistance slides on the go-between and inserts and is equipped with a plurality of direction slide bars, and is a plurality of the common fixed mounting in upper end of direction slide bar has the magnetic seal ring, every all overlap on the direction slide bar and establish the extension spring that resets that both ends fixed respectively on go-between and magnetic seal ring, install the bellows of ripple jointly between go-between and the magnetic seal ring, four fixed seal rings, every are installed to the bottom annular equidistance of stem four fixed seal rings, every fixed seal ring all covers the drill way department that is located the stem bottom at the right angle gas pocket that corresponds, the magnetic seal ring is located the fixed seal ring of homonymy under.

Further, feed inlet, discharge gate and auxiliary material mouth have been seted up on the lateral wall of organism respectively, feed inlet, discharge gate and auxiliary material mouth are relative with three adjacent charging chute respectively, the size of feed inlet is equal to the size of assisting the material mouth, the height that highly is equal to the height of assisting the material mouth of feed inlet, the peak of feed inlet equals the peak of discharge gate, the minimum of feed inlet is higher than the upper surface of charging tray, the minimum of discharge gate is less than the maximum decline height of charging tray, feed plate and ejection of compact baffle are installed respectively to the lower limb that lies in feed inlet and discharge gate department on the organism.

Further, first packing mouth and second packing mouth have been seted up to the upper surface symmetry of organism, first spacing cover and second spacing cover are installed to the upper surface symmetry of organism, first spacing cover and second spacing cover are established respectively on first packing mouth and second packing mouth, the inner arc diameter of first packing mouth is less than the diameter of heat-seal ring, the inner arc diameter of second packing mouth equals the outer loop diameter of heat-seal ring.

Has the advantages that: through utilizing product self gravity to arrange one by one automatically for product packaging is more neat, and can continuously go on, carries out the order through carrying out rotatory mode with multiple packing step integration in same organism and transports, and efficiency is higher and occupation space is little, the energy consumption is low, the structure is simpler, and whole process biscuit is not compressed, makes product quality higher.

Drawings

Fig. 1 is a schematic structural diagram of an equivalent boxing and transferring mechanism of a food packaging machine according to the present invention;

fig. 2 is a schematic structural diagram of a body of an equivalent boxing and transferring mechanism of a food packaging machine according to the present invention;

fig. 3 is a schematic diagram of a body of an equivalent boxing and transferring mechanism of a food packaging machine according to the present invention, which is partially cut away;

fig. 4 is a schematic diagram of a core column of an equivalent boxing transfer mechanism of a food packaging machine according to the present invention, which is partially cut away;

FIG. 5 is an enlarged view of a magnetic sealing mechanism of an equivalent boxing transfer mechanism of a food packaging machine, provided by the invention;

FIG. 6 is a partially enlarged view of the magnetic force trigger mechanism of the equivalent boxing transfer mechanism of the food packaging machine according to the present invention;

FIG. 7 is an enlarged view taken at A in FIG. 4;

fig. 8 is an enlarged view of fig. 4 at B.

In the figure: 1 machine body, 11 feed inlets, 12 discharge outlets, 13 auxiliary material outlets, 14 first packaging openings, 15 second packaging openings, 16 first limit covers, 17 second limit covers, 18 feed plates, 19 discharge guide plates, 2 pneumatic pumps, 21 driving motors, 22 driving shafts, 23 pumping pipes, 3 core columns, 31 blanking grooves, 32 right-angle air holes, 33 fixed sealing rings, 34 pneumatic pistons, 35 ejector rods, 36 return springs, 4 gravity quantifying mechanisms, 41 supporting guide rods, 42 material trays, 43 limit grooves, 44 heat sealing rings, 45 positioning discs, 46 gravity sensing springs, 47 magnetic contact pieces, 5 magnetic triggering mechanisms, 51 positioning columns, 52 positioning rings, 53 conductive rods, 54 conductive pieces, 55 conductive springs, 6 magnetic sealing mechanisms, 61 connecting rings, 62 guiding slide rods, 63 magnetic sealing rings, 64 return tension springs and 65 corrugated telescopic pipes.

Detailed Description

Referring to fig. 1, 3, 4, 7 and 8, an equivalent boxing transfer mechanism of a food packaging machine comprises a machine body 1, wherein an air pressure pump 2 is installed on the inner bottom wall of the machine body 1, a driving motor 21 is installed on the air pressure pump 2, a driving shaft 22 is fixedly installed on a shaft of the driving motor 21, the upper end of the driving shaft 22 is rotatably inserted on the top wall of the machine body 1, a core column 3 is fixedly installed on the driving shaft 22, four charging chutes 31 penetrating through the top wall of the core column 3 are symmetrically formed in the side wall of the core column 3, a gravity quantifying mechanism 4 is installed in each charging chute 31, a magnetic trigger mechanism 5 is installed on the inner bottom wall of the machine body 1, a pumping pipe 23 is installed on the air pressure pump 2, one end, far away from the air pressure pump 2, of the pumping pipe 23 extends to the upper side of the driving motor 21 and is provided with a magnetic sealing mechanism 6, each gravity quantifying mechanism 4 comprises a supporting guide rod 41 slidably inserted at the bottom of the corresponding charging chute 31, charging tray 42 is all installed to every upper end that supports guide 41, spacing recess 43 has all been seted up between two parties to the upper surface of every charging tray 42, all the cover is equipped with the gravity-feed spring 46 that the both ends were fixed respectively on charging tray 42 and charging chute 31 on every support guide 41, four right angle gas holes 32 that communicate charging chute 31 are seted up to the bottom symmetry of stem 3, the equal sealed slidable mounting of horizontal segment of every right angle gas hole 32 has atmospheric pressure piston 34, ejector pin 35 is all installed to one side that every atmospheric pressure piston 34 is close to charging chute 31, all the cover is equipped with reset spring 36 that the both ends were fixed respectively on atmospheric pressure piston 34 and right angle gas hole 32 on every ejector pin 35, the one end that atmospheric pressure piston 34 was kept away from to every ejector pin 35 all flushes with charging chute 31's inner wall, the height that highly all is higher than the charging tray 42 that corresponds of every ejector pin 35.

The glue seal device and the drawer box are placed on the material disc 42, biscuits are inserted into the drawer box on the material disc 42 after entering the machine body 1, so that the weight of the drawer box is increased, the material disc 42 pushes the support guide rod 41 to move downwards and compress the gravity induction spring 46 for a corresponding distance, a first biscuit is located at the initial position of the material disc 42, a second biscuit enters the machine body 1 and is inserted into the drawer box and placed on the first biscuit, namely, the weight of the drawer box is increased again, the material disc 42 continues to move downwards and compress the gravity induction spring 46, a plurality of biscuits can be orderly placed in the drawer box, namely, the biscuits can be directly sent into the drawer box and are orderly arranged in the drawer box one by one, a mechanical arm is not needed to grab, the efficiency is higher, no external pressure is applied, and the biscuits are not easy to crack;

when the drawer box is full, the existing external controller and distance sensor can detect the descending distance of the support guide rod 41, and control the driving motor 21 to drive the core column 3 to rotate through the driving shaft 22, so that the drawer box full of biscuits is conveyed out of the loading area, and the drawer box on the material tray 42 in the other material falling groove 31 is rotated to the loading area, and the function of transferring the biscuits after quantitative distribution is realized;

driving motor 21 can drive stem 3 through drive shaft 22 and rotate, stem 3 rotates and to make charging chute 31 rotate support guide 41 and charging tray 42 to ejection of compact region, then pneumatic pump 2 passes through pump pressure pipe 23 and the corresponding right angle gas pocket 32 of 6 intercommunications of magnetic force sealing mechanism, then pneumatic pump 2 makes the pressure increase in the right angle gas pocket 32 for pneumatic piston 34 promotes ejector pin 35 and removes in to charging chute 31, makes ejector pin 35 can release organism 1 with the material of packing completion.

Referring to fig. 3, 4 and 6, the magnetic triggering mechanism 5 includes a positioning column 51 fixed on the inner bottom wall of the machine body 1, a positioning ring 52 is fixedly sleeved on the upper end of the positioning column 51, two conductive rods 53 are symmetrically inserted on the positioning ring 52 in a sliding manner, the upper end of each conductive rod 53 extends to the upper side of the positioning ring 52 and is fixedly provided with a conductive sheet 54, the lower end of each conductive rod 53 extends to the lower side of the positioning ring 52 and is fixedly provided with a conductive spring 55, and the lower end of each conductive spring 55 is fixed on the inner bottom wall of the machine body 1;

the lower end of each supporting guide rod 41 extends to the lower part of the core column 3 and is provided with a positioning disc 45, the bottom of each positioning disc 45 is symmetrically provided with two magnetic contact pieces 47, the upper surface of each material disc 42 is provided with a heat sealing ring 44, and the diameter of the heat sealing ring 44 is larger than that of the limiting groove 43;

the distance from each support guide 41 to the axis of the drive shaft 22 is equal to the distance from the positioning column 51 to the axis of the drive shaft 22, the distance between the two conducting strips 54 is equal to the distance between the two magnetic contacts 47 on the same positioning disk 45, and the two conducting strips 54 and the two magnetic contacts 47 on the same positioning disk 45 are both arranged radially with respect to the axis of the drive shaft 22.

When the packaging material is pressed to the bottom of the support guide rod 41 and rotates to the position right above the positioning column 51 along with the core column 3, the magnetic contact piece 47 generates attraction force on the conductive piece 54, so that the two conductive pieces 54 drive the two conductive rods 53 to move upwards and stretch the two conductive springs 55, the two magnetic contact pieces 47 are in adsorption contact with the two conductive pieces 54, the two magnetic contact pieces 47 are electrically connected with the heat seal ring 44, and power can be supplied to the heat seal ring 44 through the two conductive springs 55 to generate heat, so that the heat seal function is realized, when the packaging material is pushed out of the machine body 1, the gravity induction spring 46 rebounds to push the material disc 42 to move upwards, so that the support guide rod 41 moves upwards, the positioning disc 45 and the magnetic contact pieces 47 are pulled to move upwards, the magnetic contact pieces 47 and the conductive pieces 54 are disconnected, the heat seal ring 44 stops heating, and the heat seal ring 44 is prevented from generating heat for a long time to cause overhigh temperature to influence the heat seal effect, and can save electric energy.

Referring to fig. 3, 4 and 5, the magnetic sealing mechanism 6 includes a connection ring 61 installed on the pumping pipe 23, a plurality of guide slide bars 62 are slidably inserted into the connection ring 61 at equal intervals in an annular shape, a magnetic sealing ring 63 is fixedly installed at the upper ends of the guide slide bars 62 together, a return tension spring 64 is sleeved on each guide slide bar 62, the two ends of the return tension spring are fixed on the connection ring 61 and the magnetic sealing ring 63 respectively, a corrugated expansion pipe 65 is installed between the connection ring 61 and the magnetic sealing ring 63 together, four fixed sealing rings 33 are installed at equal intervals in an annular shape at the bottom of the core column 3, each fixed sealing ring 33 covers the corresponding right-angle air hole 32 at the hole at the bottom of the core column 3, and the magnetic sealing ring 63 is located right below the fixed sealing ring 33 at the same side.

The rotation of the stem 3 causes the right-angle air hole 32 to rotate, and when the right-angle air hole 32 is positioned directly above the magnetic seal mechanism 6, the magnetic seal ring 63 is attracted by the corresponding fixed seal ring 33, the magnetic sealing ring 63 is made to move upwards and the plurality of guide sliding rods 62 are pulled to move upwards, the corrugated telescopic pipe 65 is made to extend and the reset tension spring 64 is made to stretch, the magnetic sealing ring 63 and the fixed sealing ring 33 are made to be in adsorption sealing, it is possible to make the pneumatic pump 2 communicate with the right-angle air hole 32 through the pumping tube 23 and the magnetic seal mechanism 6, when the stem 3 is rotated to separate the fixed seal ring 33 from the magnetic seal ring 63, the air in the right-angle air hole 32 is released, so that the return spring 36 pushes the air pressure piston 34 to retract the mandril 35 into the right-angle air hole 32, namely, the right-angle air hole 32 can be automatically opened when the core column 3 rotates, no additional power control equipment is needed, and the energy-saving air valve is more energy-saving and more reliable.

Referring to fig. 1, 2 and 3, a feed inlet 11, a discharge outlet 12 and an auxiliary material outlet 13 are respectively formed in the outer side wall of a machine body 1, the feed inlet 11, the discharge outlet 12 and the auxiliary material outlet 13 are respectively opposite to three adjacent charging chutes 31, the size of the feed inlet 11 is equal to that of the auxiliary material outlet 13, the height of the feed inlet 11 is equal to that of the auxiliary material outlet 13, the highest point of the feed inlet 11 is equal to that of the discharge outlet 12, the lowest point of the feed inlet 11 is higher than the upper surface of a charging tray 42, the lowest point of the discharge outlet 12 is lower than the maximum descending height of the charging tray 42, and a feed plate 18 and a discharge guide plate 19 are respectively installed on the lower edges of the machine body 1 at the feed inlet 11 and the discharge outlet 12;

first packing mouth 14 and second packing mouth 15 have been seted up to the upper surface symmetry of organism 1, and first spacing cover 16 and second spacing cover 17 are installed to the upper surface symmetry of organism 1, and first spacing cover 16 and second spacing cover 17 cover respectively and establish on first packing mouth 14 and second packing mouth 15, and the inner arc diameter of first packing mouth 14 is less than the diameter of heat-seal ring 44, and the inner arc diameter of second packing mouth 15 equals the outer loop diameter of heat-seal ring 44.

The packaging materials comprise the existing drawer box, packaging barrel and sealing paper for sealing the packaging barrel, biscuits enter the machine body 1 from the feed plate 18 and the feed port 11 through external transportation equipment, the sealing paper enters the machine body 1 from the auxiliary material port 13 through the external transportation equipment, the drawer box enters the machine body 1 from the first limiting cover 16 and the first packaging port 14 through the external transportation equipment, and the packaging barrel enters the machine body 1 from the second limiting cover 17 and the second packaging port 15 through the external transportation equipment;

the rotation direction of the stem 3 is from the auxiliary material opening 13 to the feed opening 11 and to the discharge opening 12, the sealing adhesive paper enters from the auxiliary material opening 13 and falls on the material tray 42, the diameter of the sealing adhesive paper is equal to that of the material tray 42, the drawer box enters from the first limiting cover 16 and the first packaging opening 14 and falls on the sealing adhesive paper, the drawer box can press the sealing adhesive paper and enable the sealing adhesive paper to sink into the limiting groove 43, the displacement of the drawer box and the sealing adhesive paper is avoided, when biscuits in the drawer box are full, the packaging barrel rotates to the lower part of the second packaging opening 15 along with the stem 3, the packaging barrel reversely buckles into the machine body 1 through the second limiting cover 17 and the second packaging opening 15 and falls on the sealing adhesive paper, the edge of the packaging barrel abuts against the heat sealing ring 44 through the sealing adhesive paper, the heat sealing ring 44 is heated, the sealing adhesive paper packaging can be adhered on the opening for sealing, the drawer box and the biscuits are sealed in the packaging barrel, the transportation and packaging can be realized in the machine body 1, the volume is smaller, and the packing is more accurate, and is fast.

Respectively arranging material conveying equipment for respectively conveying biscuits, glue seal paper, a drawer box and a packaging barrel outside at a feed inlet 11, an auxiliary material port 13, a first limit cover 16 and a second limit cover 17, so that the biscuits can enter the machine body 1 through a feed plate 18 and the feed inlet 11, the glue seal paper can enter the machine body 1 through an auxiliary material port 13, the drawer box can enter the machine body 1 through the first limit cover 16 and a first packaging port 14, and the packaging barrel can enter the machine body 1 through the second limit cover 17 and a second packaging port 15;

firstly, adhesive sealing paper enters a blanking groove 31 of an inner core column 3 of a machine body 1 from an auxiliary material port 13 and is placed on a material tray 42, then a drawer box falls into the blanking groove 31 of the inner core column 3 of the machine body 1 from a first packaging port 14 and is placed on the adhesive sealing paper, and extrusion adhesive sealing paper is sunk into a limiting groove 43 to avoid displacement of the adhesive sealing paper and the drawer box, a driving motor 21 enables the core column 3 to rotate through a driving shaft 22, the adhesive sealing paper and the drawer box are rotated to a feeding port 11, biscuits enter the machine body 1 from the feeding port 11 and are inserted into the drawer box, so that the total weight of the material tray 42 is increased, the material tray 42 is moved downwards and pushes a supporting guide rod 41 to move downwards, a gravity induction spring 46 is compressed, the drawer box and the biscuits are moved downwards, and subsequent biscuits are arranged in the drawer box layer by layer;

when the external controller and the existing position sensor installed in the machine body 1 detect that the descending distance of the support guide rod 41 reaches a set distance, namely when the drawer box is filled, the driving motor 21 drives the core column 3 to rotate ninety degrees through the driving shaft 22, so that the filled drawer box is arranged below the second packaging opening 15, the packaging barrel enters the blanking groove 31 of the core column 3 in the machine body 1 through the second packaging opening 15 in an inverted manner and is arranged on the adhesive sealing paper, the drawer box and biscuits are positioned in the packaging barrel, and when a new drawer box at the feed inlet 11 is filled, the driving motor 21 drives the core column 3 to rotate again, so that the packaging barrel, the drawer box, the biscuits and the adhesive sealing paper are transferred to the discharge outlet 12;

at this time, the total weight on the tray 42 is the largest, the tray 42 pushes the support guide rod 41 to move downwards for the maximum distance, so that the magnetic contact piece 47 attracts the conductive piece 54 to move upwards, the conductive rod 53 moves upwards and stretches the conductive spring 55, the magnetic contact piece 47 is in contact conduction with the conductive piece 54, the heat seal ring 44 is rapidly heated and the glue seal paper is heated and adhered to the rim of the opening of the packaging barrel, the fixed seal ring 33 moves above the magnetic seal ring 63, the magnetic seal ring 63 moves upwards and stretches the corrugated expansion tube 65, and the reset tension spring 64 stretches, the magnetic seal ring 63 is in adsorption sealing with the fixed seal ring 33, the air pressure pump 2 inputs high-pressure air flow into the right-angle air hole 32 through the pump pressure tube 23 and the corrugated expansion tube 65, so that the air pressure piston 34 pushes the ejector rod 35 to move into the blanking slot 31 and pushes the sealed packaging barrel to be discharged from the discharge port 12 and then slides out along the discharge guide plate 19, when the packaging barrel is sent out of the machine body 1, the material disc 42 loses pressure, the gravity sensing spring 46 rebounds to push the material disc 42 to move upwards, the supporting guide rod 41 is made to move upwards, the positioning disc 45 and the magnetic contact piece 47 move upwards and are separated from the conducting strip 54 to cut off the power, and the heat seal ring 44 is made to cut off the power and be cooled.

Claims

1. The utility model provides a food packaging machinery's equivalent dress box transport mechanism, includes organism (1), its characterized in that, install air pump (2) on the interior diapire of organism (1), install driving motor (21) on air pump (2), fixed mounting has drive shaft (22) on the spindle of driving motor (21), the upper end of drive shaft (22) is rotated and is inserted and establish on organism (1) roof, fixed mounting has stem (3) on drive shaft (22), four blanking groove (31) that run through its roof are seted up to the symmetry on the lateral wall of stem (3), every all install gravity dosing mechanism (4) in blanking groove (31), the interior diapire of organism (1) is installed magnetic force trigger mechanism (5), install pump pressure pipe (23) on air pump (2), pump pressure pipe (23) are kept away from the one end of air pump (2) and extend to the top of driving motor (21) and install magnetic force sealing mechanism (5), (5) 6) Each gravity quantifying mechanism (4) comprises a support guide rod (41) which is inserted into the bottom of the corresponding blanking groove (31) in a sliding manner, a material tray (42) is installed at the upper end of each support guide rod (41), a limiting groove (43) is formed in the middle of the upper surface of each material tray (42), each support guide rod (41) is sleeved with a gravity sensing spring (46) with two ends respectively fixed on the material tray (42) and the blanking groove (31), four right-angle air holes (32) communicated with the blanking groove (31) are symmetrically formed in the bottom of the core column (3), a horizontal section of each right-angle air hole (32) is provided with an air pressure piston (34) in a sealing and sliding manner, one side, close to the blanking groove (31), of each air pressure piston (34) is provided with a push rod (35), and each push rod (35) is sleeved with a reset spring (36) with two ends respectively fixed on the air pressure piston (34) and the right-angle air hole (32), one end of each ejector rod (35) far away from the air pressure piston (34) is flush with the inner wall of the charging chute (31), and the height of each ejector rod (35) is higher than that of the corresponding charging tray (42);

the magnetic force trigger mechanism (5) comprises a positioning column (51) fixed on the inner bottom wall of the machine body (1), a positioning ring (52) is fixedly sleeved at the upper end of the positioning column (51), two conducting rods (53) are symmetrically inserted on the positioning ring (52) in a sliding manner, the upper end of each conducting rod (53) extends to the upper part of the positioning ring (52) and is fixedly provided with a conducting strip (54), the lower end of each conducting rod (53) extends to the lower part of the positioning ring (52) and is fixedly provided with a conducting spring (55), and the lower end of each conducting spring (55) is fixed on the inner bottom wall of the machine body (1);

the lower end of each supporting guide rod (41) extends to the lower part of the core column (3) and is provided with a positioning disc (45), the bottom of each positioning disc (45) is symmetrically provided with two magnetic contact pieces (47), the upper surface of each material disc (42) is provided with a heat seal ring (44), and the diameter of each heat seal ring (44) is larger than that of the limiting groove (43);

the distance between each support guide rod (41) and the axis of the driving shaft (22) is equal to the distance between each positioning column (51) and the axis of the driving shaft (22), the distance between the two conducting strips (54) is equal to the distance between the two magnetic contact pieces (47) on the same positioning disc (45), and the two conducting strips (54) and the two magnetic contact pieces (47) on the same positioning disc (45) are arranged in the radial direction relative to the axis of the driving shaft (22).

2. The equivalent boxing transfer mechanism of food packaging machinery according to claim 1, wherein the magnetic sealing mechanism (6) comprises a connecting ring (61) installed on the pumping pipe (23), a plurality of guide slide bars (62) are slidably inserted into the connecting ring (61) at equal intervals in an annular manner, a magnetic sealing ring (63) is fixedly installed at the upper end of each guide slide bar (62) jointly, each guide slide bar (62) is sleeved with a reset tension spring (64) with two ends fixed on the connecting ring (61) and the magnetic sealing ring (63) respectively, a corrugated expansion pipe (65) is installed between the connecting ring (61) and the magnetic sealing ring (63) jointly, four fixed sealing rings (33) are installed at the bottom of the core column (3) at equal intervals in an annular manner, and each fixed sealing ring (33) covers a hole opening of the corresponding right-angle air hole (32) located at the bottom of the core column (3), the magnetic sealing ring (63) is positioned right below the fixed sealing ring (33) on the same side.

3. The equivalent boxing transfer mechanism of food packaging machinery according to claim 1, the outer side wall of the machine body (1) is respectively provided with a feed inlet (11), a discharge outlet (12) and an auxiliary material port (13), the feed inlet (11), the discharge outlet (12) and the auxiliary material outlet (13) are respectively opposite to three adjacent charging chutes (31), the size of the feed port (11) is equal to that of the auxiliary material port (13), the height of the feed port (11) is equal to that of the auxiliary material port (13), the highest point of the feed inlet (11) is equal to the highest point of the discharge outlet (12), the lowest point of the feed inlet (11) is higher than the upper surface of the charging tray (42), the lowest point of the discharge outlet (12) is lower than the height of the maximum descending position of the charging tray (42), and a feeding plate (18) and a discharging guide plate (19) are respectively arranged on the lower edges of the machine body (1) at the feeding hole (11) and the discharging hole (12).

4. The equivalent packing box transfer mechanism of food packaging machinery according to claim 1, characterized in that the upper surface of the machine body (1) is symmetrically provided with a first packing opening (14) and a second packing opening (15), the upper surface of the machine body (1) is symmetrically provided with a first limit cover (16) and a second limit cover (17), the first limit cover (16) and the second limit cover (17) are respectively covered on the first packing opening (14) and the second packing opening (15), the inner arc diameter of the first packing opening (14) is smaller than the diameter of the heat seal ring (44), and the inner arc diameter of the second packing opening (15) is equal to the outer ring diameter of the heat seal ring (44).