CN107512426B

CN107512426B - Needle type vacuumizing and heat-sealing coding device for pure electric shaping packaging machine

Info

Publication number: CN107512426B
Application number: CN201710894688.6A
Authority: CN
Inventors: 卢志恩
Original assignee: Fujian Anxi Xing'an Metal Co ltd
Current assignee: Fujian Anxi Xing'an Metal Co ltd
Priority date: 2017-09-28
Filing date: 2017-09-28
Publication date: 2023-03-31
Anticipated expiration: 2037-09-28
Also published as: CN107512426A

Abstract

A needle type evacuation and heat-seal mouth beat sign indicating number device for pure electronic plastic packagine machine, bag body seals to beat the sign indicating number system and sets up in the lower extreme of needle-suction type bag body evacuation system, the bottom of the rectangular shape needle type breather pipe in the needle-suction type bag body evacuation system can insert the bag body and can touch the tealeaves surface in the bag body, the sack of the bag body and the bottom of the rectangular shape needle type breather pipe that inserts in the bag body are pressed from both sides by the sealing strip mechanism of bag body seals to beat the sign indicating number system simultaneously and are closed, after the evacuation process of the bag body is accomplished, the bottom of the rectangular shape needle type breather pipe in the needle-suction type bag body evacuation system is upwards extracted and is gone into the operation of blowing tea foam, bag body seals to beat the sign indicating number system and finally carries out bilateral heat-seal mouth and the sign indicating number operation to the sack of the bag body that accomplishes the evacuation operation again. The tea bag has the characteristics of novel structure, higher vacuumizing speed on the bag body, more thorough vacuumizing, longer quality guarantee period of the filler in the bag body, ideal tea foam blowing effect and stronger practicability.

Description

Needle type vacuumizing and heat-seal coding device for pure electric shaping packaging machine

Technical Field

The invention relates to an improvement of a packaging machine, which is mainly used for packaging strip-shaped, granular and powdery foods such as tea leaves, medlar, medicinal materials and the like, in particular to a needle type vacuumizing and heat-sealing coding device for a pure electric shaping packaging machine.

Background

The applicant of the present invention applies an external vacuum-pumping and bilateral heat-sealing device in 2017, month 4 and month 26, which is named as "a pure electric shaping and packaging machine" (patent application number: 2017102840801), "the pure electric shaping and packaging machine" provides an external vacuum-pumping and bilateral heat-sealing device, wherein a right vacuum chamber fixed silica gel module in a left-moving state in the external vacuum-pumping and bilateral heat-sealing device can be gradually closed towards a left vacuum chamber fixed sealing copper module, and a right vacuum chamber fixed silica gel module and a left vacuum chamber fixed sealing copper module which are closed oppositely can clamp the bag mouth part of a bag body.

In order to achieve a quicker and more ideal vacuumizing effect, the needle suction type bag vacuumizing device is used for vacuumizing the bag body through improvement, but the problem of sucking tea foam can occur when a long-strip-shaped needle type vent pipe in the needle suction type bag vacuumizing device is used for vacuumizing.

Still provide one kind in "electricelectric moves plastic packagine machine" and get the bag and beat the sign indicating number device, should get the bag and beat the sign indicating number device in the sign indicating number device and adopt the direct-heating type to beat the sign indicating number ware, this direct-heating type beats the sign indicating number ware and passes through the screw fastening in the rear of outer bag box, it will stack the bag body in outer bag box and take off to get a bag mechanism, this bag body is after direct-heating type beats a sign indicating number ware thermoprint date, get a bag mechanism and carry the opening process of the bag body to the target location after the bag body switching-over again, this kind of direct-heating type beats the sign indicating number ware and can exist with high costs in the practical application process, need often to change the typewriter ribbon, the operation is unstable, the problem that maintenance cost is high.

Disclosure of Invention

In order to solve the problems, the invention provides a needle type vacuum-pumping and heat-sealing coding device for a pure electric shaping and packaging machine by taking a factory building of metal Limited company of Xingan county, anxi province as a specific implementation place, and the invention adopts packaged tea leaves as an embodiment to explain the technical scheme.

The invention has the following advantages:

1. according to the invention, the strip-shaped needle type vent pipe is inserted into the surface of an object in the bag body in a free-falling manner, so that the bag body is not adsorbed and the vacuumizing speed of the bag body is higher;

2. the elongated needle type vent pipe is inserted into the bag body to carry out bottom detection and vacuum pumping, so that the vacuum pumping effect of the bag body is more thorough, and air does not remain in the bag body, so that the oxidation speed of the filling material in the bag body is reduced, and the quality guarantee period of the filling material in the bag body is prolonged;

3. because the strip-shaped needle type breather pipe in the needle suction type bag body vacuumizing device can stretch into the bag body and vacuumize, at the moment, tea foam is inevitably sucked into the strip-shaped needle type breather pipe and attached to the inner wall of the strip-shaped needle type breather pipe, the invention can effectively blow out the tea foam in the strip-shaped needle type breather pipe, thereby effectively ensuring the vacuumizing effect of the needle suction type bag body vacuumizing device;

4. after the vacuumizing process is finished, the date code can be molded on the bag opening while the bag body is subjected to double-side heat sealing, and the sealing process and the date code printing process of the bag body are simultaneously performed.

The tea bag has the characteristics of novel structure, higher vacuumizing speed and more thorough vacuumizing to the bag body, longer quality guarantee period of filler in the bag body, ideal tea foam blowing effect, low maintenance cost and stronger practicability.

In order to achieve the purpose, the invention is realized by the following technical scheme: a needle type vacuum pumping and heat sealing code printing device for a pure electric shaping packaging machine is composed of a needle suction type bag body vacuum pumping system, a needle type tea foam blowing system and a bag body sealing code printing system, and is characterized in that,

the needle-suction type bag body vacuumizing system is used as an upper station of the bag body sealing and coding system, after vacuumizing operation of the needle-suction type bag body vacuumizing system is finished, the needle-type tea foam blowing system completes tea foam blowing operation, the tea foam blowing operation can be performed simultaneously or sequentially with sealing and coding operation of the bag body sealing and coding system, the vacuumizing operation and the tea foam blowing operation share the same gas flow channel and vacuum pump, the vacuumizing electromagnetic valve controls the vacuum pump to pump air out of the gas flow channel, the gas at the moment flows outwards, the blowing electromagnetic valve controls the vacuum pump to blow the gas into the gas flow channel, the gas at the moment flows inwards and blows out the tea foam attached to the inner wall of the strip-shaped needle type vent pipe;

the U-shaped groove plate in the bag body shaping device is used as a supporting platform of the bag body, and the vacuumizing, the appearance shaping, the bilateral heat sealing and the date code printing operation of the bag body are all completed on the supporting platform;

the bag body sealing and coding system is arranged at the lower end of the needle suction type bag body vacuumizing system, the needle suction type bag body vacuumizing system can convey a bag body filled with tea leaves downwards into a U-shaped groove plate in the bag body shaping device, at the moment, the bottom end of a long-strip-shaped needle type vent pipe in the needle suction type bag body vacuumizing system can be inserted into the bag body and can be contacted with the surface of the tea leaves in the bag body, the bag opening of the bag body and the bottom end of the long-strip-shaped needle type vent pipe inserted into the bag body are clamped by a sealing strip mechanism in the bag body sealing and coding system at the same time, after the vacuumizing process of the bag body is completed, the bottom end of the long-strip-shaped vent pipe in the needle suction type bag body vacuumizing system is pulled out upwards and enters a tea foam blowing operation, the tea foam blowing operation is completed through the needle type tea foam blowing system, and the bag body sealing and coding system finally performs double-edge heat sealing and date coding operations on the bag opening of the bag body which is completed with the vacuumizing operation;

the needle suction type bag body vacuumizing system comprises a top plate, a longitudinal wall plate, a bottom plate, two longitudinal guide rods, a stepping motor, a synchronous belt, a bag opening mechanism, a bag opening suction nozzle movable module I, a bag opening induction correlation switch, a material pressing mechanism, a long strip needle type ventilating pipe, a free falling body counterweight aluminum block, a vacuum pump and a vacuumizing electromagnetic valve;

the top plate is fastened below the bottom surface of the upper partition plate through screws, the bottom plate is a plate body which is in an L-shaped structure and is formed by fastening a longitudinal plate and a horizontal plate through screws, the horizontal plate is fastened above the top surface of the lower partition plate through screws, the upper plate end of the longitudinal wallboard is fastened on the bottom surface of the top plate through screws, the lower plate end of the longitudinal wallboard is fastened and connected with the upper end of the left side surface of the longitudinal plate through a wheel shaft, the wheel shaft is connected with a double-groove driven wheel in series through a bearing, two longitudinal guide rods are further fastened between the top plate and the top end of the longitudinal plate, guide rails are formed between the two longitudinal guide rods in a left-right parallel mode, the guide rails are arranged in front of the longitudinal wallboard, and the guide rails and the longitudinal wallboard are kept in a parallel mode;

two limiting rods are rotatably connected to the front side and the rear side of the upper end of the right side face of the longitudinal plate, and each limiting rod is connected with a bearing in series;

a bag opening induction correlation switch is respectively fastened on the front side and the rear side of the middle part of the right side surface of the longitudinal plate through screws, and the bag opening induction correlation switch is arranged below the limiting rod;

the middle part of the longitudinal plate is punched with a through hole, the middle part of the left side surface of the longitudinal plate is fastened with a bag opening suction nozzle movable module I through a screw, the middle part of the right side surface of the bag opening suction nozzle movable module I is provided with three suction nozzles I, the three suction nozzles I penetrate through the through hole in the middle part of the longitudinal plate rightwards and are arranged in the middle of a front bag opening induction correlation switch and a rear bag opening suction nozzle movable module I, and the bottom surface of the bag opening suction nozzle movable module I is provided with an air suction port;

a first stepping motor is fastened at the upper end of the left side surface of the longitudinal wallboard, a first driving wheel is sleeved after the shaft end of the first stepping motor penetrates through the longitudinal wallboard rightwards, and the first driving wheel is in transmission connection with the left groove of the double-groove driven wheel arranged below the longitudinal wallboard through a long synchronous belt;

a second stepping motor is fastened in the middle of the left side face of the longitudinal wallboard, a second driving wheel is sleeved after the shaft end of the second stepping motor penetrates through the longitudinal wallboard rightwards, and the second driving wheel is in transmission connection with a right groove of a double-groove driven wheel arranged below the longitudinal wallboard through a short synchronous belt;

the lower end of the guide rail is movably sleeved with a second lifting aluminum block, the left side of the second lifting aluminum block is fixedly connected with a short synchronous belt through a connecting plate II, the right side of the second lifting aluminum block is fixedly connected with the left side wall of the lower guide hopper through a screw, a bag opening clamp is locked at the position of a bottom discharge port of the lower guide hopper through a screw, a clamp opening of the bag opening clamp faces downwards, a clamp handle of the bag opening clamp faces upwards, a spring piece is fastened at the lower end of the front side wall and the lower end of the rear side wall of the lower guide hopper through screws, the folding end of each spring piece faces downwards, and the spring piece is arranged between the clamp handle and the lower guide hopper;

the second stepping motor drives the short synchronous belt to rotate, the short synchronous belt controls the bag opening mechanism to ascend or descend through the second lifting aluminum block, when the bag opening mechanism is in a descending state, a clamping opening of the bag opening clamp is firstly embedded from an inlet at the top of the bag body, a front clamping handle and a rear clamping handle of the bag opening clamp which continuously move downwards are extruded by a front limiting rod and a rear limiting rod which are connected with bearings in series, so that the clamping opening of the bag opening clamp is opened to prop open the whole bag body, and the tea leaves fall into the bag body at the moment;

the second lifting aluminum block is also fastened with a second origin proximity switch through a screw;

the upper end of the guide rail is movably sleeved with a first lifting aluminum block, the left side of the first lifting aluminum block is fixedly connected with the long synchronous belt through a connecting plate I, the right side of the bottom surface of the first lifting aluminum block is movably sleeved with a front vertical material pressing rod and a rear vertical material pressing rod through a bearing, the front vertical material pressing rod and the rear vertical material pressing rod are parallel to each other, a spring is sleeved on the periphery of each vertical material pressing rod, and the top end of the rectangular material pressing aluminum block is fixedly connected with the bottom rod ends of the front vertical material pressing rod and the rear vertical material pressing rod through screws;

the first connecting plate, the first lifting aluminum block, the vertical material pressing rod, the spring and the cuboid material pressing aluminum block are combined to form a material pressing mechanism;

as one of the improvement points of the invention, a guide rod is vertically arranged on the top surface of the first aluminum lifting block through a screw, and a circular through hole is drilled downwards from the top surface of the first aluminum lifting block until reaching the bottom surface of the first aluminum lifting block;

as another improvement point of the invention, a round through hole two is drilled downwards from the top surface of the cuboid swaged aluminum block to the bottom surface of the cuboid swaged aluminum block;

a strip-shaped needle type vent pipe can be sequentially inserted into the first circular through hole and the second circular through hole from top to bottom, finally penetrates through the bottom surface of the cuboid type pressing aluminum block and then continues to extend downwards for 5-10 cm;

wherein, the lower half section of the strip-shaped needle type breather pipe is in an oblate structure through embedding and pressing;

the free falling body counterweight aluminum block is in an L-shaped structure;

a vertical guide hole is drilled in the left right-angled part of the free-falling body counterweight aluminum block, the vertical guide hole penetrates from the top surface of the left right-angled part to the bottom surface of the left right-angled part, and the free-falling body counterweight aluminum block can be movably sleeved on the periphery of the guide rod through the vertical guide hole;

a vertical main ventilation hole is drilled upwards in the middle of the bottom surface of the free falling body counterweight aluminum block, an annular silica gel gasket is arranged in the vertical main ventilation hole, and a nut is glued in the vertical main ventilation hole and arranged below the annular silica gel gasket;

a transverse ventilation branch hole is drilled at the right-angled part of the free-falling body counterweight aluminum block, and the transverse ventilation branch hole penetrates backwards from the front side surface of the right-angled part to the vertical ventilation main hole;

the top end of the strip-shaped needle type vent pipe can be screwed into the nut and upwards supports and presses the annular silica gel gasket, and at the moment, the pipe inner cavity, the vertical main vent hole and the transverse branch vent hole of the strip-shaped needle type vent pipe are communicated with each other to form a gas flow channel;

the long strip-shaped needle type breather pipe and the free falling body counterweight aluminum block are combined to form a needle suction type vacuumizing mechanism, and the needle suction type vacuumizing mechanism can slide up and down along the guide rod;

as another improvement point of the invention, a transverse ventilation branch hole at the right straight angle part of the free falling body counterweight aluminum block is communicated to a vacuum pump through an air pipe, a vacuumizing electromagnetic valve is arranged between a gas circulation channel between the free falling body counterweight aluminum block and the vacuum pump, the vacuumizing electromagnetic valve is communicated with an air inlet on the vacuum pump through the air pipe, the vacuum pump controls whether to perform air pumping operation or not through the switching of the vacuumizing electromagnetic valve under the state that the vacuum pump is always operated, the vacuumizing electromagnetic valve is fastened on the top surface of the lower interlayer plate through a screw, the vacuum pump is fastened on the bottom of the lower interlayer plate through a screw, the vacuumizing electromagnetic valve controls the vacuum pump to pump air in a gas flow channel, and the gas at the moment flows outwards;

the first stepping motor drives the long synchronous belt to rotate, the long synchronous belt controls the material pressing mechanism to ascend or descend through the first connecting plate, when the material pressing mechanism is in a descending state, the needle suction type vacuumizing mechanism descends along the guide rod along the material pressing mechanism under the action of self gravity, the material pressing mechanism and the needle suction type vacuumizing mechanism move downwards along a discharging channel in the bag opening mechanism, a downwards moving cuboid type material pressing aluminum block can finally push a bag body filled with tea downwards, and the lower end of the long strip-shaped needle type vent pipe is extended into the inner depth of the bag body;

the first lifting aluminum block is further fastened with an origin approach switch I through a screw.

The working principle of the needle suction type bag body vacuum pumping system is as follows:

the second stepping motor drives the short synchronous belt to rotate, the short synchronous belt controls the bag opening mechanism to ascend or descend through the connecting plate II, the bag opening induction correlation switch senses that the outer bag is opened, the second stepping motor works and controls the lower guide hopper to move downwards along the guide rail through the short synchronous belt, the bag opening mechanism is in a descending state at the moment, a clamping opening of the bag opening clamp is firstly embedded from an inlet at the top of the bag body, a front clamping handle and a rear clamping handle of the bag opening clamp which continuously move downwards are extruded by a front limiting rod and a rear limiting rod which are connected with bearings in series, so that the clamping opening of the bag opening clamp is opened to prop open the whole bag body, and tea leaves are dredged into the lower guide hopper through the upper guide hopper;

the first stepping motor works, the cuboid type pressing aluminum block moves downwards along the guide rail under the driving of the long synchronous belt, the cuboid type pressing aluminum block can move downwards along the blanking channel in the lower guide hopper and extrude the materials in the lower guide hopper, so that the tea leaves completely enter the bag body, the cuboid type pressing aluminum block can play a role of buffering through the vertical pressing rod sleeved with the spring, the cuboid type pressing aluminum block can not crush the tea leaves, the cuboid type pressing aluminum block finally conveys the bag body filled with the tea leaves to the U-shaped groove plate positioned below, and meanwhile, the needle suction type vacuumizing mechanism moves downwards along the guide rod in a free falling mode under the action of self gravity, the lower pipe end of a long strip-shaped needle type vent pipe in the needle suction type vacuumizing mechanism can be finally inserted into the surface of a material in the bag body, a sealing strip mechanism in the bag body sealing and coding device clamps the bag opening of the bag body, and meanwhile, the lower end of the long strip-shaped needle type vent pipe is also tightly clamped by the sealing strip mechanism, before the bag opening of the bag body is subjected to bilateral heat sealing and coding, an original point proximity switch acts and drives a vacuumizing electromagnetic valve to control a vacuum pump to perform vacuumizing operation through switch conversion, and just because the lower pipe end of the long strip-shaped needle type vent pipe can stretch into the deepest part in the bag body and is contacted with the surface of the material in the bag body, the situation not only prevents the bag body from being adsorbed to influence the vacuumizing effect, but also can ensure that the air in the bag body is vacuumized more thoroughly;

after the bag body is vacuumized, the first stepping motor drives the long synchronous belt to rotate reversely, the long synchronous belt rotating reversely controls the pressing mechanism to ascend through the connecting plate I, and the needle suction type vacuumizing mechanism is lifted upwards along with the ascending of the pressing mechanism, so that the bottom end of the strip-shaped needle type ventilating pipe in the needle suction type vacuumizing mechanism can be completely separated from the bag body;

the needle type blowing-out tea foam system comprises a strip-shaped needle type vent pipe, a free falling body counterweight aluminum block, a vacuum pump and a blowing electromagnetic valve;

the needle type tea foam blowing system and the needle suction type bag body vacuum pumping system share the same gas flow channel and use the same vacuum pump;

the transverse ventilation branch hole at the right straight angle part of the free falling body balance weight aluminum block is communicated to a vacuum pump through an air pipe, an air blowing electromagnetic valve is arranged between an air circulation channel between the free falling body balance weight aluminum block and the vacuum pump, the air blowing electromagnetic valve is communicated with an air outlet hole on the vacuum pump through the air pipe, the vacuum pump controls whether to perform air blowing operation or not through switching of an air blowing electromagnetic valve under the condition that the vacuum pump is in a running state all the time, the air blowing electromagnetic valve is fastened on the top surface of the lower interlayer plate through screws, and the vacuum pump is fastened at the bottom of the lower interlayer plate through screws;

after the free-fall counterweight aluminum block rises to the initial origin, an origin proximity switch fastened on the first lifting aluminum block through screws senses and sends a command to start a blowing electromagnetic valve to control the blowing operation of the vacuum pump through switch conversion, the blowing electromagnetic valve controls the vacuum pump to blow gas into a gas flow channel, and the gas flows inwards and blows out tea dust attached to the inner wall of the strip-shaped needle type breather pipe;

wherein, the vacuum pump is provided with an air inlet hole and an air outlet hole, the vacuumizing electromagnetic valve is communicated with the air inlet hole on the vacuum pump through an air pipe, the air blowing electromagnetic valve is communicated with the air outlet hole on the vacuum pump through an air pipe, and the vacuumizing electromagnetic valve and the air blowing electromagnetic valve are arranged in parallel;

the bag body sealing and code printing system comprises two sealing module fixing aluminum, two sealing connecting rods, an aluminum fixing sealing left module, a left fixing sealing copper module, a sealing strip mechanism, cuboid sealing silica gel, a code printing mechanism, an aluminum movable sealing right module, a rack, an aluminum fixing block, a traction aluminum block and a guide sliding block;

the bottom surface of the lower interlayer plate is respectively fastened with a left sealing module fixing aluminum and a right sealing module fixing aluminum through screws, each sealing module fixing aluminum is drilled with a left rod hole and a right rod hole, the two sealing module fixing aluminum are arranged in bilateral symmetry, a front sealing connecting rod and a rear sealing connecting rod are connected between the left sealing module fixing aluminum and the right sealing module fixing aluminum in series, the two sealing connecting rods are pulled in parallel from front to back to form a pair of guide rails, and the guide rails are sequentially connected with an aluminum fixing sealing left module, an aluminum movable sealing right module, an aluminum fixing sliding block, a traction aluminum block and a guide sliding block in series from left to right;

the left sealing module and the right sealing module are fixed with aluminum, the aluminum fixed sealing left module is fixed, and the aluminum movable sealing right module, the aluminum fixed sliding block, the traction aluminum block and the guide sliding block which are connected with the guide rail in series can transversely move along the guide rail;

the lower end of the right side wall of the aluminum fixed sealing left module is fastened with a front screw rod I and a rear screw rod I through screws, the right rod ends of the front screw rod I and the rear screw rod I are respectively screwed on the left side wall of the top pressure strip I, the right side wall of the top pressure strip I is sunken towards the left side to form a first embedded strip groove, and the first sealing strip can be clamped into the first embedded strip groove;

a left fixed sealing copper module is tightly attached to the upper side of the top pressure strip I through a screw, a left round hole I and a right round hole I are drilled on the front side surface of the left fixed sealing copper module, a temperature control line I is installed on the round hole I on the left side, and a heating pipe I is installed on the round hole I on the right side through a nut;

wherein, the middle part of the right side surface of the left fixed sealing copper module is provided with an oval silica gel;

the lower end of the left side wall of the aluminum movable seal right module is fastened with a front screw rod II and a rear screw rod II through screws, the left rod ends of the front screw rod II and the rear screw rod II are respectively and rotatably connected to the right side wall of the top pressing strip II, the left side wall of the top pressing strip II is sunken towards the right side to form a strip embedding groove II, and a second sealing strip can be clamped into the strip embedding groove II;

a cuboid type sealing silica gel is tightly attached to the upper portion of the jacking strip II through a screw, a round hole II is drilled at the upper end of the front side face of the cuboid type sealing silica gel, a heating pipe II is installed in the round hole II, round holes III are drilled in the middle of the front side face and the middle of the rear side face of the cuboid type sealing silica gel, and balls, springs and screw plugs are sequentially placed in the front round hole III and the rear round hole III;

the first screw, the first jacking strip, the first sealing strip, the second screw, the second jacking strip and the second sealing strip are combined to form a sealing strip mechanism, and the sealing strip mechanism can clamp the bag opening of the bag body;

the peripheries of the first screw and the second screw are sleeved with a first buffer spring;

a second buffer spring is arranged between the right side surface of the cuboid type sealing silica gel and the left side surface of the aluminum movable sealing right module;

a cuboid caulking groove is reserved in the middle of the left side wall of the right aluminum movable sealing module, a front screw hole and a rear screw hole are drilled from the right side wall of the right aluminum movable sealing module and communicated with the cuboid caulking groove, a U-shaped opening is cut in the middle of each of the front side wall and the rear side wall of the square clamping block, the square clamping block can be placed in the cuboid caulking groove, two screws are screwed in from the screw holes in the right side wall of the right aluminum movable sealing module and are fastened and rotated with the square clamping block, one side of each ball can inwards prop against the U-shaped opening, the other side of each ball is inwards propped by one end of each spring, the other end of each spring is propped by the corresponding screw plug, and the left ball and the right ball can oppositely prop against the square clamping block through the corresponding springs;

a transverse round threaded hole is drilled in the left sides of the front side wall and the rear side wall of the square clamping block and communicated with the cuboid caulking groove, and each transverse round threaded hole can be screwed into a cylindrical fixing aluminum;

a cuboid jack is reserved in the middle of the left side wall of the cuboid clamping block, the tail ends of eleven cuboid copper character code bars which are arranged in parallel can be inserted into the cuboid jack, front and rear two cylindrical fixed aluminum as plugs can oppositely press the eleven cuboid copper character code bars which are arranged in parallel, and the eleven cuboid copper character code bars can be flexibly spliced into a group of date codes;

the square material clamping block, the rectangular copper character code bar and the cylindrical fixed aluminum are combined to form a flexible copper character replacing mechanism;

the flexible copper character replacing mechanism and the elliptic silica gel are oppositely arranged at the same horizontal height;

the combination of the copper character mechanism, the ball, the spring and the cuboid sealing silica gel is flexibly replaced to form a coding mechanism, and the coding mechanism can code a date code on the bag opening part of the bag body;

the cuboid type sealing silica gel, the heating pipe II, the left fixed sealing copper module and the heating pipe are combined to form a double-sided heat sealing mechanism, and the double-sided heat sealing mechanism can perform double-sided heat sealing on the bag body;

the double-side heat sealing process and the date code printing process are carried out simultaneously;

the middle part of the right side surface of the aluminum movable sealing right module is fastened with a first aluminum fixed block, the toothed surface of a first rack is forward, the rear side surface of the first rack is fastened and connected with the first aluminum fixed block through a screw, the right side end of the rear side surface of the first aluminum fixed block is fastened and connected with the front side end of a first traction aluminum block through a screw, the rear side end of the first traction aluminum block is sleeved with a sealing connecting rod positioned on the rear side, and the first traction aluminum block is parallel to the left side of the guide sliding block;

the front side end of the second traction aluminum block is sleeved with a sealing connecting rod positioned on the front side, the rear side face of the second traction aluminum block is fastened to the left side end of the front side face of the second aluminum fixed block through a screw, the rear side face of the second aluminum fixed block is tightly attached to the front side face of a second rack through a screw, the toothed surface of the second rack faces backwards, and the right side end of the second aluminum fixed block is fastened to the left side face of the guide sliding block through a screw;

the toothed surface of the first rack and the toothed surface of the second rack are opposite and simultaneously meshed with a pinion, the pinion is connected with a speed change gear through an optical axis, the speed change gear is meshed with a driving gear, the driving gear is fastened at the shaft end of a stepping motor, the shaft end of the stepping motor is upward and fastened through a transverse hanging plate, two sides of the transverse hanging plate are respectively fastened with a vertical hanging plate through screws, and each vertical hanging plate is fastened on the bottom surface of a lower interlayer plate through screws;

the guide slide block is parallel to the right side of the aluminum movable sealing right module.

The working principle of the bag body sealing code printing system is as follows:

when the bag filled with tea leaves falls to a bag shaping device, a stepping motor drives a driving gear, the driving gear drives a speed change gear and a pinion coaxial with the speed change gear to rotate, the pinion drives a first rack and a second rack which are meshed with the pinion to move reversely, the first rack can drive a first aluminum block to move leftwards through a first aluminum fixing block, and meanwhile, the second rack can drive a second aluminum block to move rightwards through a second aluminum fixing block;

the first aluminum fixing block moving leftwards can push the right aluminum movable sealing module to move leftwards along the guide rail simultaneously and approach to the left aluminum fixed sealing module, the flexible copper character replacing mechanism is close to the elliptic silica gel accordingly until the upper portion of the bag opening of the bag body is clamped by the double-side heat sealing mechanism, the first sealing strip and the second sealing strip are extruded oppositely to enable the sealing strip mechanism to be closed and clamp the bag opening of the bag body, the coding mechanism and the double-side heat sealing mechanism are closed under the buffering action of the first buffer spring in the sealing strip mechanism and finally tightly attached to the bag opening portion of the bag body, after the needle suction type bag body vacuumizing device carries out vacuumizing process on the bag body, the temperature control line is used for carrying out temperature control on bags made of different materials, the first temperature control line can not only guarantee that the bags cannot be burnt and melted due to overhigh temperature, but also can guarantee that the bags cannot be tightly sealed due to overlow temperature and leak air, under the action of the heating pipe, the double-side heat sealing mechanism carries out double-side mouth heat sealing processing on the bag opening of the bag body, and meanwhile, the coding mechanism carries out code coding processing on the date of the bag opening of the bag body.

The sealing strip mechanism can clamp the bag opening of the bag body, and the first sealing strip and the second sealing strip are elastic, so that when the needle suction type bag body vacuumizing device vacuumizes the bag body, the first sealing strip and the second sealing strip can prevent the air leakage of the bag body, and the bag body shaping device can press the bag body when the bag body is shaped downwards.

The tea bag has the advantages of being novel in structure, high in vacuumizing speed of the bag body, thorough in vacuumizing, long in quality guarantee period of filler in the bag body, ideal in tea foam blowing effect, low in maintenance cost and high in practicability.

The present invention will be described in further detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a partial combination structure of a needle suction type bag vacuum-pumping system and a needle type tea foam blowing system in an installation state according to the present invention;

FIG. 2 is a perspective view of a three-dimensional combination structure of an elongated needle-type vent pipe and a free-fall counterweight aluminum block in the invention;

FIG. 3 is a schematic view of the installation structure of the vacuum-pumping solenoid valve, the air-blowing solenoid valve and the vacuum pump in the present invention;

FIG. 4 is a schematic view of a partial assembly structure of the bag closure coding system of the present invention in an assembled state;

FIG. 5 is a perspective view of the three-dimensional assembly of the coding mechanism of the present invention;

FIG. 6 is a perspective view of the flexible changing mechanism of the invention.

In the figure: a-longitudinal wall plate, A1-first stepping motor, A11-long synchronous belt, A2-second stepping motor, A21-short synchronous belt, A3-top plate, A41-longitudinal plate, A42-horizontal plate, A5-bag suction nozzle movable module I, A6-longitudinal guide rod, A7-bag clamp, A8-lower guide hopper, A91-first lifting aluminum block, A911-origin approach switch I, A92-vertical pressing rod, A93-cuboid pressing aluminum block, B-lower partition plate, C1-sealing module fixed aluminum, C2-sealing connecting rod, C3-aluminum fixed sealing left module, C4-aluminum movable sealing right module, C5-guide sliding block, C6-horizontal hanging plate, C7-vertical hanging plate, C8-stepping motor, C9-traction aluminum block I D11-top pressure strip I, D12-first sealing strip, D13-top pressure strip II, D14-second sealing strip, D15-buffer spring I, D2-left fixed sealing copper module, D21-elliptical silica gel, D22-temperature control line I, D23-heating pipe I, D3-cuboid sealing silica gel, D31-spring, D32-ball, D33-heating pipe II, D34-screw plug, D41-cuboid clamping block, D411-transverse circular threaded hole, D412-U-shaped opening, D42-cuboid copper character code bar, D43-cylinder fixed aluminum, G1-guide rod, G2-free falling body counterweight aluminum block, G21-vertical guide hole, G22-transverse ventilation support hole, G3-long strip needle type, ventilation pipe G4-vacuum pump, G41-air inlet hole, G42-air outlet hole, G5-vacuum-pumping electromagnetic valve, G6-air blowing electromagnetic valve.

Detailed Description

The invention provides the following specific embodiments by taking a factory building of Xingan metal Limited company in Anxi county of Fujian province as a specific implementation place.

As shown in figures 1, 3 and 4, the needle type vacuum pumping and heat sealing code printing device for the pure electric shaping and packaging machine is composed of a needle suction type bag vacuum pumping system, a needle type tea foam blowing system and a bag sealing code printing system, and is characterized in that,

the needle-suction bag body vacuumizing system is used as an upper station of the bag body sealing and coding system, after vacuumizing operation of the needle-suction bag body vacuumizing system is finished, the needle-type tea foam blowing system finishes tea foam blowing operation, the tea foam blowing operation can be performed simultaneously or successively with sealing and coding operation of the bag body sealing and coding system, the vacuumizing operation and the tea foam blowing operation share the same gas flow channel and vacuum pump, a vacuumizing electromagnetic valve G5 controls a vacuum pump G4 to pump air in the gas flow channel, the gas at the moment flows outwards, a blowing electromagnetic valve G6 controls the vacuum pump G4 to blow the gas into the gas flow channel, and the gas at the moment flows inwards;

the bag body sealing and coding system is arranged at the lower end of the needle suction type bag body vacuumizing system, the needle suction type bag body vacuumizing system can downwards convey a bag body filled with tea leaves into a U-shaped groove plate in the bag body shaping device, at the moment, the bottom end of a long-strip-shaped needle type vent pipe G3 in the needle suction type bag body vacuumizing system can be inserted into the bag body and can be contacted with the surface of the tea leaves in the bag body, the bag opening of the bag body and the bottom end of the long-strip-shaped needle type vent pipe G3 inserted into the bag body are clamped by a sealing strip mechanism in the bag body sealing and coding system at the same time, after the vacuumizing process of the bag body is completed, the bottom end of the long-strip-shaped needle type vent pipe G3 in the needle suction type bag body vacuumizing system is upwards pulled out and enters a tea foam blowing operation, the tea foam blowing operation is completed through the needle type tea foam blowing system, and the bag body sealing and coding system finally performs double-edge heat sealing and date coding operation on the bag opening of the bag body which is completed with the vacuumizing operation;

wherein, the needle suction type bag body vacuum pumping system comprises a top plate A3, a longitudinal wall plate A, a bottom plate, two longitudinal guide rods A6, a stepping motor, a synchronous belt, a bag opening mechanism, a bag opening suction nozzle movable module A5, a bag opening induction correlation switch, a material pressing mechanism, a strip-shaped needle type vent pipe G3, a free falling body counterweight aluminum block G2, a vacuum pump G4 and a vacuum pumping electromagnetic valve G5,

the top plate A3 is fastened below the bottom surface of the upper partition plate through screws, the bottom plate is a plate body which is formed by fastening a longitudinal plate A41 and a horizontal plate A42 through screws and is of an L-shaped structure, the horizontal plate A42 is fastened above the top surface of the lower partition plate B through screws, the upper plate end of the longitudinal wallboard A is fastened on the bottom surface of the top plate A3 through screws, the lower plate end of the longitudinal wallboard A is fastened and connected with the upper end of the left side surface of the longitudinal plate A41 through a wheel shaft, the wheel shaft is connected with a double-groove driven wheel in series through a bearing, two longitudinal guide rods A6 are further fastened between the top plate A3 and the top end of the longitudinal plate A41, guide rails are formed between the two longitudinal guide rods A6 in a left-right parallel mode, the guide rails are arranged in front of the longitudinal wallboard A, and the guide rails and the longitudinal wallboard A are kept in a parallel mode;

the front side and the rear side of the upper end of the right side surface of the longitudinal plate A41 are respectively and rotatably connected with two limiting rods, and each limiting rod is connected with a bearing in series;

a bag opening induction correlation switch is respectively fastened on the front side and the rear side of the middle part of the right side surface of the longitudinal plate A41 through screws, and the bag opening induction correlation switch is arranged below the limiting rod;

the middle part of the longitudinal plate A41 is punched with a through hole, the middle part of the left side surface of the longitudinal plate A41 is fastened with a bag opening suction nozzle movable module A5 through a screw, the middle part of the right side surface of the bag opening suction nozzle movable module A5 is provided with three suction nozzles I, the three suction nozzles I penetrate through the through hole in the middle part of the longitudinal plate A41 rightwards and are discharged out, the three suction nozzles I are arranged in the middle of a front bag opening induction correlation switch and a rear bag opening induction correlation switch, and the bottom surface of the bag opening suction nozzle movable module A5 is provided with an air suction port;

a first step motor A1 is fastened at the upper end of the left side surface of the longitudinal wallboard A, the shaft end of the first step motor A1 penetrates through the longitudinal wallboard A rightwards and then is sleeved with a first driving wheel, and the first driving wheel is in transmission connection with the left groove of a double-groove driven wheel arranged below the longitudinal wallboard A through a long synchronous belt A11;

a second stepping motor A2 is fastened in the middle of the left side face of the longitudinal wallboard A, the shaft end of the second stepping motor A2 penetrates through the longitudinal wallboard A rightwards and then is sleeved with a second driving wheel, and the second driving wheel is in transmission connection with a right groove of a double-groove driven wheel arranged below the longitudinal wallboard A through a short synchronous belt A21;

a second aluminum lifting block is movably sleeved at the lower end of the guide rail, the left side of the second aluminum lifting block is fixedly connected with a short synchronous belt A21 through a connecting plate II, the right side of the second aluminum lifting block is fixedly connected with the left side wall of a lower guide hopper A8 through a screw, a bag opening clamp A7 is locked at the bottom discharge port of the lower guide hopper A8 through a screw, the opening of the bag opening clamp A7 faces downwards, the clamping handle of the bag opening clamp A7 faces upwards, a spring piece is fastened at the lower end of the front side wall and the lower end of the rear side wall of the lower guide hopper A8 through screws, the folded end of each spring piece faces downwards, and the spring piece is arranged between the clamping handle and the lower guide hopper A8;

the second connecting plate, the second lifting aluminum block, the lower guide hopper A8, the bag opening clamp A7 and the spring piece are combined to form a bag opening mechanism, the second stepping motor A2 drives the short synchronous belt A21 to rotate, the short synchronous belt A21 controls the bag opening mechanism to ascend or descend through the second connecting plate, when the bag opening mechanism is in a descending state, a clamping opening of the bag opening clamp A7 can be embedded from an inlet at the top of a bag body, a front clamping handle and a rear clamping handle of the bag opening clamp A7 which continuously moves downwards are extruded by a front limiting rod and a rear limiting rod which are connected with bearings in series to cause the clamping opening of the bag opening clamp A7 to be opened, so that the whole bag body is opened, and tea leaves fall into the bag body at the moment;

an origin proximity switch II is also fastened on the second lifting aluminum block through a screw;

a first lifting aluminum block A91 is movably sleeved at the upper end of the guide rail, the left side of the first lifting aluminum block A91 is fixedly connected with a long synchronous belt A11 through a connecting plate I, the right side of the bottom surface of the first lifting aluminum block A91 is movably sleeved with a front vertical swaging rod A92 and a rear vertical swaging rod A92 through bearings, the front vertical swaging rod A92 and the rear vertical swaging rod A92 are parallel to each other, a spring is sleeved on the periphery of each vertical swaging rod A92, and the top end of a cuboid swaging aluminum block A93 is simultaneously and fixedly connected with the bottom rod ends of the front vertical swaging rod A92 and the rear vertical swaging rod A92 through screws;

the first connecting plate, the first lifting aluminum block A91, the vertical material pressing rod A92, the spring and the cuboid material pressing aluminum block A93 are combined to form a material pressing mechanism;

as shown in fig. 1, a guide rod G1 is vertically arranged on the top surface of the first aluminum lifting block a91 through a screw, and a circular through hole is drilled downwards from the top surface of the first aluminum lifting block a91 to the bottom surface of the first aluminum lifting block a 91;

a circular through hole II is drilled downwards from the top surface of the cuboid aluminum pressing block A93 to the bottom surface of the cuboid aluminum pressing block A93;

a strip-shaped needle type breather pipe G3 can be sequentially inserted into the first circular through hole and the second circular through hole from top to bottom and finally penetrates through the bottom surface of the cuboid swaging aluminum block A93 to continue to extend downwards for 5-10 cm;

the lower half section of the strip-shaped needle type breather pipe G3 is of an oblate structure through embedding and pressing;

as shown in fig. 2, the free-fall counterweight aluminum block G2 is in an L-shaped structure;

as shown in fig. 2, a vertical guide hole G21 is drilled in the left right-angled portion of the free-fall counterweight aluminum block G2, the vertical guide hole G21 penetrates downward from the top surface of the left right-angled portion to the bottom surface of the left right-angled portion, and the free-fall counterweight aluminum block G2 can be movably sleeved on the periphery of the guide rod G1 through the vertical guide hole G21;

as shown in fig. 2, a vertical main ventilation hole is drilled upwards in the middle of the bottom surface of the free-fall counterweight aluminum block G2, an annular silica gel gasket is arranged in the vertical main ventilation hole, and a nut is glued in the vertical main ventilation hole and arranged below the annular silica gel gasket;

as shown in fig. 2, a transverse vent branch hole G22 is drilled at the right-angled part of the free-fall counterweight aluminum block G2, and the transverse vent branch hole G22 penetrates backwards from the front side surface of the right-angled part to the vertical vent main hole;

as shown in fig. 2, the top end of the elongated needle-type vent pipe G3 can be screwed into the nut and press the annular silica gel gasket upward, and at this time, the pipe inner cavity, the vertical main vent hole and the horizontal branch vent hole G22 of the elongated needle-type vent pipe G3 are communicated with each other and form a gas flow channel;

a needle suction type vacuumizing mechanism is formed by combining the strip-shaped needle type breather pipe G3 and the free falling body counterweight aluminum block G2, and can slide up and down along the guide rod G1;

the transverse ventilation branch hole G22 at the right-angle part of the free-falling body counterweight aluminum block G2 is communicated to a vacuum pump G4 through an air pipe, a vacuumizing electromagnetic valve G5 is arranged between a gas circulation channel between the free-falling body counterweight aluminum block G2 and the vacuum pump G4, the vacuumizing electromagnetic valve G5 is communicated with an air inlet hole G41 on the vacuum pump G4 through the air pipe, the vacuum pump G4 controls whether to perform air suction operation or not through switching of the vacuumizing electromagnetic valve G5 under the condition that the vacuum pump G4 is in a running state all the time, as shown in figure 3, the vacuumizing electromagnetic valve G5 is fastened on the top surface of a lower interlayer plate B through screws, the vacuum pump G4 is fastened at the bottom of the lower interlayer plate B through screws, the vacuumizing electromagnetic valve G5 controls the vacuum pump G4 to suck air in a gas flow channel, and the gas at the moment flows outwards;

the first stepping motor A1 drives the long synchronous belt A11 to rotate, the long synchronous belt A11 controls the material pressing mechanism to ascend or descend through the first connecting plate, when the material pressing mechanism is in a descending state, the needle suction type vacuumizing mechanism descends along the guide rod G1 along the material pressing mechanism under the action of self gravity, the material pressing mechanism and the needle suction type vacuumizing mechanism move downwards along a blanking channel in the bag opening mechanism, a downwards moving cuboid material pressing aluminum block A93 can finally push a bag body filled with tea downwards, and the lower end of the long strip-shaped needle type vent pipe G3 stretches into the inner depth of the bag body;

an origin approach switch A911 is also fastened on the first lifting aluminum block A91 through a screw;

the second stepping motor A2 drives the short synchronous belt A21 to rotate, the short synchronous belt A21 controls the bag opening mechanism to ascend or descend through the connecting plate two, after the bag opening induction correlation switch senses that the outer bag is opened, the second stepping motor A2 works and controls the lower guide hopper A8 to move downwards along the guide rail through the short synchronous belt A21, the bag opening mechanism is in a descending state at the moment, a clamping opening of the bag opening clamp A7 can be embedded from an inlet at the top of the bag body, a front clamping handle and a rear clamping handle of the bag opening clamp A7 which continuously move downwards are extruded by a front limiting rod and a rear limiting rod which are connected with bearings in series, so that the clamping opening of the bag opening clamp is opened to open the whole bag body, and tea leaves are guided into the lower guide hopper A8 through the upper guide hopper;

the first stepping motor A1 works, the cuboid type pressing aluminum block A93 moves downwards along the guide rail under the driving of the long synchronous belt A11, the cuboid type pressing aluminum block A93 can move downwards along the blanking channel in the lower guide hopper A8 and extrude the materials in the lower guide hopper A8, so that tea leaves completely enter the bag body, the cuboid type pressing aluminum block A93 can play a role of buffering through the vertical pressing rod A92 sleeved with the spring, the cuboid type pressing aluminum block A93 cannot crush the tea leaves, the cuboid type pressing aluminum block A93 finally conveys the bag body filled with the tea leaves to the U-shaped groove plate positioned below, meanwhile, the needle suction type vacuumizing mechanism moves downwards along the guide rod G1 in a free-falling mode under the action of self gravity, the lower tube end of a strip-shaped needle type breather tube G3 in the needle suction type vacuumizing mechanism can be finally inserted into the surface of a material in a bag body, a sealing strip mechanism in a bag body sealing and coding device clamps the bag opening of the bag body, meanwhile, the lower end of the strip-shaped needle type breather tube G3 is tightly clamped by the sealing strip mechanism, before the bag opening of the bag body is subjected to double-side heat sealing and coding, an original point proximity switch A911 acts and drives a vacuumizing electromagnetic valve G5 to control a vacuum pump G4 to perform vacuumizing operation through switch conversion, and just because the lower tube end of the strip-shaped needle type breather tube G3 can be inserted into the deepest part in the bag body and is contacted with the surface of the material in the bag body, the situation that the vacuumizing effect is influenced by the adsorption of the bag body is avoided, and the air in the bag body can be vacuumized more thoroughly;

after the bag body is vacuumized, the first stepping motor A1 drives the long synchronous belt A11 to rotate reversely, the long synchronous belt A11 rotating reversely controls the pressing mechanism to ascend through the first connecting plate, the ascending of the pressing mechanism can upwards lift the needle suction type vacuumizing mechanism along the belt, the bottom end of a long strip needle type ventilating pipe G3 in the needle suction type vacuumizing mechanism can be completely separated from the bag body, and finally, double-side heat sealing and code printing treatment are carried out on the bag opening of the bag body;

as shown in fig. 2 and fig. 3, the needle-type tea foam blowing system comprises a long strip-shaped needle-type vent pipe G3, a free-fall counterweight aluminum block G2, a vacuum pump G4 and a blowing electromagnetic valve G6,

the needle type tea foam blowing system and the needle suction type bag body vacuum pumping system share the same gas flow channel and use the same vacuum pump G4;

a transverse ventilation branch hole G22 at the right-angle part of the free-falling body balance weight aluminum block G2 is communicated to a vacuum pump G4 through an air pipe, an air blowing electromagnetic valve G6 is arranged between a gas circulation channel between the free-falling body balance weight aluminum block G2 and the vacuum pump G4, the air blowing electromagnetic valve G6 is communicated with an air outlet hole G42 on the vacuum pump G4 through the air pipe, the vacuum pump G4 controls whether air blowing operation is carried out or not through switching of an air blowing electromagnetic valve G6 under the condition that the vacuum pump G4 is in a running state all the time, as shown in figure 3, the air blowing electromagnetic valve G6 is fastened on the top surface of a lower interlayer plate B through screws, and the vacuum pump G4 is fastened on the bottom of the lower interlayer plate B through screws;

after the free-fall counterweight aluminum block G2 rises to the initial origin, an origin proximity switch A911 fastened on a first lifting aluminum block A91 through screws senses and sends a command to start a blowing electromagnetic valve G6 to control the blowing operation of a vacuum pump G4 through switch conversion, the blowing electromagnetic valve G6 controls the vacuum pump G4 to blow gas into a gas flow channel, and the gas at the moment flows inwards and blows out tea foam attached to the inner wall of a strip-shaped needle type vent pipe G3;

wherein, the vacuum pump G4 is provided with an air inlet hole G41 and an air outlet hole G42, the vacuumizing electromagnetic valve G5 is communicated with the air inlet hole G41 on the vacuum pump G4 through an air pipe, the air blowing electromagnetic valve G6 is communicated with the air outlet hole G42 on the vacuum pump G4 through an air pipe, and the vacuumizing electromagnetic valve G5 and the air blowing electromagnetic valve G6 are arranged in parallel;

as shown in fig. 4, the bag sealing and coding system comprises two sealing module fixing aluminum C1, two sealing connecting rods C2, an aluminum fixing sealing left module C3, a left fixing sealing copper module D2, a sealing strip mechanism, a cuboid sealing silica gel D3, a coding mechanism, an aluminum movable sealing right module C4, a rack, an aluminum fixing block, a traction aluminum block and a guide slide block C5,

a left sealing module fixing aluminum C1 and a right sealing module fixing aluminum C1 are respectively fastened on the bottom surface of the lower interlayer plate B through screws, a left rod hole and a right rod hole are drilled in each sealing module fixing aluminum C1, the two sealing module fixing aluminum C1 are arranged in a bilateral symmetry mode, a front sealing connecting rod C2 and a rear sealing connecting rod C2 are connected between the left sealing module fixing aluminum C1 and the right sealing module fixing aluminum C1 in series, the two sealing connecting rods C2 are pulled in parallel from front to back to form a pair of guide rails, and an aluminum fixing sealing left module C3, an aluminum movable sealing right module C4, an aluminum fixing sliding block, a traction aluminum block and a guide sliding block C5 are sequentially connected in series from left to right through the guide rails;

the left and right sealing module fixed aluminum C1 and the aluminum fixed sealing left module C3 are fixed, and the aluminum movable sealing right module C4, the aluminum fixed slide block, the traction aluminum block and the guide slide block C5 which are connected in series with the guide rail can move transversely along the guide rail;

the lower end of the right side wall of the aluminum fixed sealing left module C3 is fastened with a front screw rod I and a rear screw rod I through screws, the right rod ends of the front screw rod I and the rear screw rod I are respectively screwed on the left side wall of a top pressure strip I D11, the right side wall of the top pressure strip I D11 is sunken towards the left side to form a strip embedding groove I, and a first sealing strip D12 can be clamped into the strip embedding groove I;

a left fixed sealing copper module D2 is tightly attached to the upper portion of the first jacking strip D11 through screws, a left round hole I and a right round hole I are drilled in the front side face of the left fixed sealing copper module D2, a temperature control line D22 is installed in the round hole I in the left side, and a heating pipe D23 is installed in the round hole I in the right side through nuts;

wherein, the middle part of the right side surface of the left fixed sealing copper module D2 is provided with an oval silica gel D21;

the lower end of the left side wall of the aluminum movable seal right module C4 is fastened with a front screw rod II and a rear screw rod II through screws, the left rod ends of the front screw rod II and the rear screw rod II are respectively and rotatably connected to the right side wall of the top pressing strip II D13, the left side wall of the top pressing strip II D13 is sunken towards the right side to form a strip embedding groove II, and a second sealing strip D14 can be clamped into the strip embedding groove II;

a cuboid sealing silica gel D3 is tightly attached to the upper portion of the second jacking strip D13 through a screw, a round hole II is drilled at the upper end of the front side face of the cuboid sealing silica gel D3, a heating pipe II D33 is installed in the round hole II, a round hole III is drilled in the middle of the front side face and the middle of the rear side face of the cuboid sealing silica gel, and a ball D32, a spring D31 and a screw plug D34 are sequentially placed in the front round hole III and the rear round hole III;

the first screw, the first jacking strip D11, the first sealing strip D12, the second screw, the second jacking strip D13 and the second sealing strip D14 are combined to form a sealing strip mechanism, and the sealing strip mechanism can clamp the bag opening of the bag body;

the peripheries of the first screw rod and the second screw rod are sleeved with a first buffer spring D15;

a second buffer spring is arranged between the right side surface of the cuboid sealing silica gel D3 and the left side surface of the aluminum movable sealing right module C4;

as shown in fig. 5, a rectangular caulking groove is reserved in the middle of the left side wall of the aluminum movable sealing right module C4, a front screw hole and a rear screw hole are drilled from the right side wall of the aluminum movable sealing right module C4 and communicated with the rectangular caulking groove, a U-shaped opening D412 is cut in the middle of each of the front side wall and the rear side wall of the square clamping block D41, the square clamping block D41 can be placed in the rectangular caulking groove, two screws are screwed in from the screw holes on the right side wall of the aluminum movable sealing right module C4 and are fastened and rotated with the square clamping block D41, one side of the ball D32 can inwardly press against the U-shaped opening D412, the other side of the ball D32 is inwardly pressed by one end of the spring D31, the other end of the spring D31 is pressed by the screw D34, and the left and right balls D32 can oppositely press against the square clamping block D41 through the spring D31;

as shown in fig. 6, a transverse circular threaded hole D411 is drilled on the left side of each of the front and rear side walls of the square clamping block D41, the transverse circular threaded holes D411 are communicated with the rectangular caulking groove, and each transverse circular threaded hole D411 can be screwed into a cylindrical fixing aluminum D43;

as shown in fig. 6, a cuboid jack is reserved in the middle of the left side wall of the cuboid clamping block D41, the tail ends of eleven cuboid copper code bars D42 arranged in parallel can be inserted into the cuboid jack, the front and rear two cylindrical fixed aluminum D43 as plugs can oppositely press the eleven cuboid copper code bars D42 arranged together, and the eleven cuboid copper code bars D42 can be flexibly spliced into a group of date codes;

the square clamping block D41, the rectangular copper character code bar D42 and the cylindrical fixed aluminum D43 are combined to form a flexible copper character replacing mechanism;

the flexible copper character replacing mechanism and the elliptic silica gel D21 are oppositely arranged at the same horizontal height;

the copper character mechanism, the ball D32, the spring D31 and the cuboid sealing silica gel D3 are flexibly replaced to form a coding mechanism, and date codes can be coded at the bag opening part of the bag body by the coding mechanism;

the cuboid sealing silica gel D3, the heating pipe II D33, the left fixed sealing copper module D2 and the heating pipe I D23 are combined to form a bilateral heat sealing mechanism, and the bilateral heat sealing mechanism can carry out bilateral heat sealing on the bag body;

an aluminum fixed block I is fastened in the middle of the right side face of the aluminum movable sealing right module C4, the toothed surface of a first rack is forward, the rear side face of the first rack is fastened and connected with the aluminum fixed block I through screws, the right side end of the rear side face of the aluminum fixed block I is fastened and connected with the front side end of a traction aluminum block I C9 through screws, the rear side end of the traction aluminum block I C9 is sleeved with a sealing connecting rod C2 located on the rear side, and the traction aluminum block I C9 is parallel to the left side of a guide sliding block C5;

the front side end of the second traction aluminum block is sleeved with a sealing connecting rod C2 positioned on the front side, the rear side face of the second traction aluminum block is fastened to the left side end of the front side face of the second aluminum fixed block through a screw, the rear side face of the second aluminum fixed block is tightly attached to the front side face of a second rack through a screw, the toothed surface of the second rack faces backwards, and the right side end of the second aluminum fixed block is fastened to the left side face of a guide sliding block C5 through a screw;

the toothed surface of the first rack and the toothed surface of the second rack are opposite and simultaneously meshed with a pinion, the pinion is connected with a speed change gear through an optical axis, the speed change gear is meshed with a driving gear, the driving gear is fastened at the shaft end of a stepping motor C8, the shaft end of the stepping motor C8 faces upwards and is fastened through a transverse hanger plate C6, two sides of the transverse hanger plate C6 are respectively fastened with a vertical hanger plate C7 through screws, and each vertical hanger plate C7 is fastened at the bottom surface of the lower interlayer plate B through screws;

the guide slide block C5 is parallel to the right side of the aluminum movable seal right module C4.

When the bag filled with tea leaves falls to a bag shaping device, a stepping motor C8 drives a driving gear, the driving gear drives a speed change gear and a pinion coaxial with the speed change gear to rotate, the pinion drives a first rack and a second rack which are meshed with the pinion to move reversely, the first rack can drive a traction aluminum block I C9 to move leftwards through an aluminum fixed block I, and meanwhile, the second rack can drive a traction aluminum block II to move rightwards through an aluminum fixed block II;

the first aluminum fixing block moving leftwards can push the right aluminum movable sealing module C4 to move leftwards along the guide rail and approach to the left aluminum fixed sealing module C3, the copper character mechanism is flexibly replaced to approach to the oval silica gel D21, until the upper portion of the bag opening of the bag body is clamped by the double-side heat sealing mechanism, the first sealing strip D12 and the second sealing strip D14 are extruded oppositely, the sealing strip mechanism can be closed and can clamp the bag opening of the bag body, the coding mechanism and the double-side heat sealing mechanism are closed and finally tightly attached to the bag opening portion of the bag body under the buffering action of the buffer spring D15 in the sealing strip mechanism, after the needle suction type bag body vacuumizing device completes the vacuumizing process on the bag body, the temperature control line D22 is used for controlling the temperature of the bag made of different materials, the temperature control line D22 can not only guarantee that the bag cannot be fused due to overhigh temperature, but also can guarantee that the bag cannot be tightly sealed due to overlow temperature, and the double-side sealing mechanism can not generate air leakage due to overlow temperature, and under the action of the heating pipe, the double-side sealing mechanism can carry out heat sealing code processing on the bag opening of the bag body.

The sealing strip mechanism can clamp the bag opening of the bag body, and because the first sealing strip D12 and the second sealing strip D14 both have elasticity, under the condition, when the needle suction type bag body vacuumizing device is used for vacuumizing the bag body, the first sealing strip D12 and the second sealing strip D14 can prevent the air leakage of the bag body.

Claims

1. A needle type vacuum pumping and heat-sealing code printing device for a pure electric shaping and packaging machine comprises a needle type bag body vacuum pumping system, a needle type tea foam blowing system and a bag body sealing code printing system, and is characterized in that,

the needle suction type bag body vacuumizing system is used as an upper station of the bag body sealing and coding system, after vacuumizing operation of the needle suction type bag body vacuumizing system is finished, the needle blowing tea foam system finishes tea foam blowing operation, the tea foam blowing operation can be carried out simultaneously or successively with sealing and coding operation of the bag body sealing and coding system, the vacuumizing operation and the tea foam blowing operation share the same gas flow channel and vacuum pump, a vacuumizing electromagnetic valve (G5) controls the vacuum pump (G4) to pump out air in the gas flow channel, the gas at the moment flows outwards, a blowing electromagnetic valve (G6) controls the vacuum pump (G4) to blow the gas into the gas flow channel, and the gas at the moment flows inwards;

the U-shaped groove plate in the bag body shaping device is used as a supporting platform of the bag body, and the vacuumizing, the appearance shaping, the bilateral heat sealing and the date coding operation of the bag body are all completed on the supporting platform;

the bag body sealing and coding system is arranged at the lower end of the needle suction type bag body vacuumizing system, the needle suction type bag body vacuumizing system can downwards convey a bag body filled with tea leaves into a U-shaped groove plate in a bag body shaping device, at the moment, the bottom end of a long-strip-shaped needle type vent pipe (G3) in the needle suction type bag body vacuumizing system can be inserted into the bag body and can be contacted with the surfaces of the tea leaves in the bag body, the bag opening of the bag body and the bottom end of the long-strip-shaped needle type vent pipe (G3) inserted into the bag body are clamped by a sealing strip mechanism in the bag body sealing and coding system at the same time, after the vacuumizing process of the bag body is completed, the bottom end of the long-strip-shaped needle type vent pipe (G3) in the needle suction type bag body vacuumizing system is upwards pulled out and enters the tea foam blowing operation, the tea foam blowing operation is completed through the needle type tea foam blowing system, and the bag body sealing and coding system finally performs double-edge heat sealing and date coding operation on the bag opening of the bag body which is completed with the vacuumizing operation;

wherein, the needle suction type bag body vacuum pumping system comprises a top plate (A3), a longitudinal wall plate (A), a bottom plate, two longitudinal guide rods (A6), a stepping motor, a synchronous belt, a bag opening mechanism, a bag opening suction nozzle movable module I (A5), a bag opening induction correlation switch, a material pressing mechanism, a long strip-shaped needle type vent pipe (G3), a free falling body counterweight aluminum block (G2), a vacuum pump (G4) and a vacuum pumping electromagnetic valve (G5),

the top plate (A3) is fastened below the bottom surface of the upper partition plate through screws, the bottom plate is a plate body which is formed by fastening a longitudinal plate (A41) and a horizontal plate (A42) through screws and is of an L-shaped structure, the horizontal plate (A42) is fastened above the top surface of the lower partition plate (B) through screws, the upper plate end of the longitudinal wall plate (A) is fastened on the bottom surface of the top plate (A3) through screws, the lower plate end of the longitudinal wall plate (A) is fastened and connected with the upper end of the left side surface of the longitudinal plate (A41) through a wheel shaft, the wheel shaft is connected with a double-groove driven wheel in series through a bearing, two longitudinal guide rods (A6) are further fastened between the top end of the top plate (A3) and the top end of the longitudinal plate (A41), guide rails are formed in a left-right parallel mode between the two longitudinal guide rods (A6), the guide rails are arranged in front of the longitudinal wall plate (A), and the guide rails and the longitudinal wall plate (A) are kept in parallel mode;

the front side and the rear side of the upper end of the right side surface of the longitudinal plate (A41) are respectively and rotatably connected with two limiting rods, and each limiting rod is connected with a bearing in series;

a bag opening induction correlation switch is respectively fastened on the front side and the rear side of the middle part of the right side surface of the longitudinal plate (A41) through screws, and the bag opening induction correlation switch is arranged below the limiting rod;

the middle part of the longitudinal plate (A41) is punched with a through hole, the middle part of the left side surface of the longitudinal plate (A41) is fastened with a bag opening suction nozzle movable module I (A5) through a screw, the middle part of the right side surface of the bag opening suction nozzle movable module I (A5) is provided with three suction nozzles I, the three suction nozzles I penetrate through the through hole in the middle part of the longitudinal plate (A41) rightwards and are discharged, the three suction nozzles I are arranged between the front bag opening induction correlation switch and the rear bag opening induction correlation switch, and the bottom surface of the bag opening suction nozzle movable module I (A5) is provided with an air suction port;

a first stepping motor (A1) is fastened at the upper end of the left side surface of the longitudinal wall plate (A), the shaft end of the first stepping motor (A1) penetrates through the longitudinal wall plate (A) rightwards and then is sleeved with a first driving wheel, and the first driving wheel is in transmission connection with the left groove of a double-groove driven wheel arranged below the longitudinal wall plate (A) through a long synchronous belt (A11);

a second stepping motor (A2) is fastened in the middle of the left side face of the longitudinal wall plate (A), the shaft end of the second stepping motor (A2) penetrates through the longitudinal wall plate (A) rightwards and then is sleeved with a second driving wheel, and the second driving wheel is in transmission connection with the right groove of a double-groove driven wheel arranged below the longitudinal wall plate (A) through a short synchronous belt (A21);

a second lifting aluminum block is movably sleeved at the lower end of the guide rail, the left side of the second lifting aluminum block is fixedly connected with a short synchronous belt (A21) through a connecting plate II, the right side of the second lifting aluminum block is fixedly connected with the left side wall of a lower guide hopper (A8) through a screw, a bag opening clamp (A7) is locked at the position of a discharge port at the bottom of the lower guide hopper (A8) through a screw, a clamp opening of the bag opening clamp (A7) faces downwards, a clamp handle of the bag opening clamp (A7) faces upwards, a spring piece is fixedly connected at the lower end of the front side wall and the lower end of the rear side wall of the lower guide hopper (A8) through screws, the folded end of each spring piece faces downwards, and the spring piece is arranged between the clamp handle and the lower guide hopper (A8);

the second connecting plate, the second lifting aluminum block, the lower guide hopper (A8), the bag opening clamp (A7) and the spring piece are combined to form a bag opening mechanism, the second stepping motor (A2) drives the short synchronous belt (A21) to rotate, the short synchronous belt (A21) controls the bag opening mechanism to ascend or descend through the second connecting plate, when the bag opening mechanism is in a descending state, a clamping opening of the bag opening clamp (A7) can be embedded into the bag body from an inlet at the top of the bag body, the front clamping handle and the rear clamping handle of the bag opening clamp (A7) which continuously move downwards are extruded by the front limiting rod and the rear limiting rod which are connected with the bearings in series to cause the opening of the bag opening clamp (A7) to be opened to expand the whole bag body, and the tea leaves fall into the bag body at the moment;

a first lifting aluminum block (A91) is movably sleeved at the upper end of the guide rail, the left side of the first lifting aluminum block (A91) is fixedly connected with a long synchronous belt (A11) through a connecting plate I, the right side of the bottom surface of the first lifting aluminum block (A91) is movably sleeved with a front vertical pressing rod and a rear vertical pressing rod (A92) through a bearing, the front vertical pressing rod and the rear vertical pressing rod (A92) are parallel to each other, a spring is sleeved on the periphery of each vertical pressing rod (A92), and the top end of the cuboid pressing aluminum block (A93) is simultaneously fixedly connected with the bottom rod ends of the front vertical pressing rod and the rear vertical pressing rod (A92) through screws;

the first connecting plate, the first lifting aluminum block (A91), the vertical swaging rod (A92), the spring and the cuboid swaging aluminum block (A93) are combined to form a swaging mechanism;

a guide rod (G1) is vertically arranged on the top surface of the first aluminum lifting block (A91) through a screw, and a circular through hole is drilled downwards from the top surface of the first aluminum lifting block (A91) to the bottom surface of the first aluminum lifting block (A91);

a circular through hole II is drilled downwards from the top surface of the cuboid aluminum pressing block (A93) to the bottom surface of the cuboid aluminum pressing block (A93);

a strip-shaped needle type vent pipe (G3) can be sequentially inserted into the first circular through hole and the second circular through hole from top to bottom and finally penetrates through the bottom surface of the cuboid swage aluminum block (A93) and then continues to extend downwards for 5-10 cm;

the lower half section of the strip-shaped needle type breather pipe (G3) is in an oblate structure through embedding and pressing;

the free falling body counterweight aluminum block (G2) is in an L-shaped structure;

a vertical guide hole (G21) is drilled at the left right-angle part of the free-falling body counterweight aluminum block (G2), the vertical guide hole (G21) penetrates from the top surface of the left right-angle part to the bottom surface of the left right-angle part downwards, and the free-falling body counterweight aluminum block (G2) can be movably sleeved on the periphery of the guide rod (G1) through the vertical guide hole (G21);

a vertical main ventilation hole is drilled upwards in the middle of the bottom surface of the free falling body counterweight aluminum block (G2), an annular silica gel gasket is arranged in the vertical main ventilation hole, and a nut is glued in the vertical main ventilation hole and arranged below the annular silica gel gasket;

a transverse vent branch hole (G22) is drilled at the right-angle part of the free-falling body counterweight aluminum block (G2), and the transverse vent branch hole (G22) penetrates backwards from the front side surface of the right-angle part to the vertical vent main hole;

the top end of the strip-shaped needle type breather pipe (G3) can be screwed into the nut and upwards supports and presses the annular silica gel gasket, and at the moment, the pipe inner cavity, the vertical main ventilation hole and the transverse branch ventilation hole (G22) of the strip-shaped needle type breather pipe (G3) are mutually communicated and form a gas flow channel;

a needle suction type vacuumizing mechanism is formed by combining the strip-shaped needle type ventilating pipe (G3) and the free falling body counterweight aluminum block (G2), and can slide up and down along the guide rod (G1);

a transverse ventilation branch hole (G22) at the right straight corner of the free falling body balance weight aluminum block (G2) is communicated to a vacuum pump (G4) through an air pipe, a vacuumizing electromagnetic valve (G5) is arranged between a gas circulation channel between the free falling body balance weight aluminum block (G2) and the vacuum pump (G4), the vacuumizing electromagnetic valve (G5) is communicated with an air inlet hole (G41) on the vacuum pump (G4) through an air pipe, the vacuum pump (G4) controls whether air pumping operation is carried out through switching of a switch of the vacuumizing electromagnetic valve (G5) under the condition that the vacuum pump (G4) is in a running state all the time, the vacuumizing electromagnetic valve (G5) is fastened on the top surface of the lower interlayer plate (B) through screws, the vacuum pump (G4) is fastened on the bottom of the lower interlayer plate (B) through screws, the vacuumizing electromagnetic valve (G5) controls the vacuum pump (G4) to pump air in a gas flow channel out, and gas at the moment flows outwards;

the first stepping motor (A1) drives the long synchronous belt (A11) to rotate, the long synchronous belt (A11) controls the pressing mechanism to ascend or descend through the first connecting plate, when the pressing mechanism is in a descending state, the needle suction type vacuumizing mechanism descends along the guide rod (G1) along with the pressing mechanism simultaneously under the action of self gravity, the pressing mechanism and the needle suction type vacuumizing mechanism move downwards along a discharging channel in the bag opening mechanism simultaneously, a downwards-moving cuboid pressing aluminum block (A93) can finally push a bag body filled with tea downwards, and the lower end of the strip-shaped needle type vent pipe (G3) stretches into the inner depth of the bag body;

the first lifting aluminum block (A91) is also fastened with a first origin proximity switch (A911) through a screw;

wherein the needle type tea foam blowing system comprises a strip-shaped needle type vent pipe (G3), a free falling body counterweight aluminum block (G2), a vacuum pump (G4) and a blowing electromagnetic valve (G6),

the needle type tea blowing system and the needle type bag body vacuum pumping system share the same gas flow channel and use the same vacuum pump (G4);

the air blowing device is characterized in that a transverse ventilation branch hole (G22) at the right straight corner of a free-falling body balance weight aluminum block (G2) is communicated to a vacuum pump (G4) through an air pipe, an air blowing electromagnetic valve (G6) is arranged between an air circulation channel between the free-falling body balance weight aluminum block (G2) and the vacuum pump (G4), the air blowing electromagnetic valve (G6) is communicated with an air outlet hole (G42) in the vacuum pump (G4) through the air pipe, the vacuum pump (G4) controls whether air blowing operation is carried out through switching of an air blowing electromagnetic valve (G6) under the condition that the vacuum pump (G4) is in a running state all the time, the air blowing electromagnetic valve (G6) is fastened on the top surface of a lower interlayer plate (B) through screws, and the vacuum pump (G4) is fastened at the bottom of the lower interlayer plate (B) through screws;

after the free falling body counterweight aluminum block (G2) rises to the initial origin, an origin proximity switch I (A911) fastened on a first lifting aluminum block (A91) through a screw senses and sends a command to start a blowing electromagnetic valve (G6) to control the blowing operation of a vacuum pump (G4) through switch conversion, the blowing electromagnetic valve (G6) controls the vacuum pump (G4) to blow gas into a gas flow channel, and the gas flows inwards at the moment and blows out tea foam attached to the inner wall of a long-strip-shaped vent pipe (G3);

wherein, the vacuum pump (G4) is provided with an air inlet hole (G41) and an air outlet hole (G42), the vacuumizing electromagnetic valve (G5) is communicated with the air inlet hole (G41) on the vacuum pump (G4) through an air pipe, the blowing electromagnetic valve (G6) is communicated with the air outlet hole (G42) on the vacuum pump (G4) through an air pipe, and the vacuumizing electromagnetic valve (G5) and the blowing electromagnetic valve (G6) are arranged in parallel;

wherein the bag body sealing and code printing system comprises two sealing module fixing aluminum (C1), two sealing connecting rods (C2), an aluminum fixing and sealing left module (C3), a left fixing and sealing copper module (D2), a sealing strip mechanism, a cuboid sealing silica gel (D3), a code printing mechanism, an aluminum movable sealing right module (C4), a rack, an aluminum fixing block, a traction aluminum block and a guide sliding block (C5),

the bottom surface of the lower interlayer plate (B) is respectively fastened with a left sealing module fixing aluminum (C1) and a right sealing module fixing aluminum (C1) through screws, a left rod hole and a right rod hole are drilled in each sealing module fixing aluminum (C1), the two sealing module fixing aluminum (C1) are symmetrically arranged in the left-right direction, a front sealing connecting rod (C2) and a rear sealing connecting rod (C2) are connected between the left sealing module fixing aluminum (C1) and the right sealing module fixing aluminum (C1) in series, the two sealing connecting rods (C2) are pulled in parallel in the front-rear direction to form a pair of guide rails, and the guide rails are sequentially connected with an aluminum fixing sealing left module (C3), an aluminum movable sealing right module (C4), an aluminum fixing slide block, a traction aluminum block and a guide slide block (C5) in series from left to right;

the left sealing module and the right sealing module are fixed with aluminum (C1) and the aluminum fixed sealing left module (C3) which are fixed without movement, and the aluminum movable sealing right module (C4), the aluminum fixed slide block, the traction aluminum block and the guide slide block (C5) which are connected in series with the guide rail can move transversely along the guide rail;

the lower end of the right side wall of the aluminum fixed sealing left module (C3) is fastened with a front screw rod I and a rear screw rod I through screws, the right rod ends of the front screw rod I and the rear screw rod I are respectively and rotatably connected to the left side wall of the top pressing strip I (D11), the right side wall of the top pressing strip I (D11) is sunken towards the left side to form a strip embedding groove I, and a first sealing strip (D12) can be clamped into the strip embedding groove I;

a left fixed sealing copper module (D2) is tightly attached to the upper side of the top pressure strip I (D11) through a screw, a left round hole I and a right round hole I are drilled on the front side surface of the left fixed sealing copper module (D2), a temperature control line I (D22) is installed on the round hole I on the left side, and a heating pipe I (D23) is installed on the round hole I on the right side through a nut;

wherein, the middle part of the right side surface of the left fixed sealing copper module (D2) is provided with an oval silica gel (D21);

the lower end of the left side wall of the aluminum movable sealing right module (C4) is fastened with a front screw rod II and a rear screw rod II through screws, the left rod ends of the front screw rod II and the rear screw rod II are respectively and rotatably connected to the right side wall of the top pressing strip II (D13), the left side wall of the top pressing strip II (D13) is sunken towards the right side to form a strip embedding groove II, and a second sealing strip (D14) can be clamped into the strip embedding groove II;

a cuboid type sealing silica gel (D3) is tightly attached to the upper portion of the top pressure strip II (D13) through a screw, a round hole II is drilled at the upper end of the front side face of the cuboid type sealing silica gel (D3), a heating pipe II (D33) is installed in the round hole II, a round hole III is drilled in the middle of the front side face and the middle of the rear side face of the cuboid type sealing silica gel, and a ball (D32), a spring (D31) and a screw plug (D34) are sequentially placed in the front round hole III and the rear round hole III;

the first screw, the first jacking strip (D11), the first sealing strip (D12), the second screw, the second jacking strip (D13) and the second sealing strip (D14) are combined to form a sealing strip mechanism, and the sealing strip mechanism can clamp the bag opening of the bag body;

the peripheries of the first screw rod and the second screw rod are respectively sleeved with a first buffer spring (D15);

a second buffer spring is arranged between the right side surface of the cuboid sealing silica gel (D3) and the left side surface of the aluminum movable sealing right module (C4);

a cuboid caulking groove is reserved in the middle of the left side wall of the aluminum movable sealing right module (C4), a front screw hole and a rear screw hole are drilled from the right side wall of the aluminum movable sealing right module (C4) and communicated with the cuboid caulking groove, a U-shaped opening (D412) is cut in the middle of each of the front side wall and the rear side wall of the square clamping block (D41), the square clamping block (D41) can be placed in the cuboid caulking groove, two screws are screwed in from the screw holes in the right side wall of the aluminum movable sealing right module (C4) and are fastened and rotated with the square clamping block (D41), one side of the ball (D32) can inwards abut against the U-shaped opening (D412), the other side of the ball (D32) is inwards abutted against by one end of the spring (D31), the other end of the spring (D31) is abutted against a plug of the screw (D34), and the left ball (D32) and the right ball (D32) can oppositely abut against the square clamping block (D41) through the spring (D31);

a transverse circular threaded hole (D411) is drilled in the left sides of the front side wall and the rear side wall of the square clamping block (D41), the transverse circular threaded hole (D411) is communicated with the cuboid caulking groove, and each transverse circular threaded hole (D411) can be screwed into a cylindrical fixing aluminum (D43);

a cuboid jack is reserved in the middle of the left side wall of the square material clamping block (D41), the tail ends of eleven paralleled cuboid copper character code bars (D42) can be inserted into the cuboid jack, front and rear cylindrical fixed aluminum (D43) can be used as plugs to oppositely press the eleven paralleled cuboid copper character code bars (D42), and the eleven cuboid copper character code bars (D42) can be flexibly spliced into a group of date codes;

the square clamping block (D41), the rectangular copper character code bar (D42) and the cylindrical fixed aluminum (D43) are combined to form a flexible copper character replacing mechanism;

the flexible copper character replacing mechanism and the elliptic silica gel (D21) are oppositely arranged on the same horizontal height;

the combination of the copper character mechanism, the ball (D32), the spring (D31) and the cuboid sealing silica gel (D3) is flexibly replaced to form a coding mechanism, and the coding mechanism can code a date code on the bag opening part of the bag body;

the cuboid sealing silica gel (D3), the heating pipe II (D33), the left fixed sealing copper module (D2) and the heating pipe I (D23) are combined to form a bilateral heat sealing mechanism, and the bilateral heat sealing mechanism can carry out bilateral heat sealing on the bag body;

the middle part of the right side surface of the aluminum movable sealing right module (C4) is fastened with an aluminum fixed block I, the toothed surface of a first rack is forward, the rear side surface of the first rack is fastened and connected with the aluminum fixed block I through a screw, the right side end of the rear side surface of the aluminum fixed block I is fastened and connected with the front side end of a traction aluminum block I (C9) through a screw, the rear side end of the traction aluminum block I (C9) is sleeved with a sealing connecting rod (C2) positioned at the rear side, and the traction aluminum block I (C9) is parallel to the left side of a guide sliding block (C5);

the front side end of the second traction aluminum block is sleeved with a sealing connecting rod (C2) positioned on the front side, the rear side face of the second traction aluminum block is fastened to the left side end of the front side face of the second aluminum fixed block through a screw, the rear side face of the second aluminum fixed block is tightly attached to the front side face of a second rack through a screw, the toothed surface of the second rack faces backwards, and the right side end of the second aluminum fixed block is fastened to the left side face of a guide sliding block (C5) through a screw;

the toothed surface of the first rack and the toothed surface of the second rack are opposite and are simultaneously meshed with a pinion gear, the pinion gear is connected with a speed change gear through an optical axis, the speed change gear is meshed with a driving gear, the driving gear is fastened at the shaft end of a stepping motor (C8), the shaft end of the stepping motor (C8) faces upwards and is fastened through a transverse hanger plate (C6), two sides of the transverse hanger plate (C6) are respectively fastened with a vertical hanger plate (C7) through screws, and each vertical hanger plate (C7) is respectively fastened at the bottom surface of a lower interlayer plate (B) through screws;

the guide sliding block (C5) is parallel to the right side of the aluminum movable seal right module (C4).

2. The needle type vacuumizing and heat-sealing code printing device for the pure electric shaping and packaging machine as claimed in claim 1, wherein a second stepping motor (A2) drives a short synchronous belt (a 21) to rotate, the short synchronous belt (a 21) controls the lifting or descending of a bag opening mechanism through a connecting plate two, after a bag opening induction correlation switch senses the opening of an outer bag, the second stepping motor (A2) works and controls a lower guide hopper (A8) to move downwards along a guide rail through the short synchronous belt (a 21), the bag opening mechanism is in a descending state at the moment, a clamping opening of a bag opening clamp (A7) is firstly embedded from an inlet at the top of the bag body, and front and rear clamping handles of the bag opening clamp (A7) which moves downwards continuously are pressed by front and rear limiting rods which are connected with bearings in series to cause the clamping opening of the bag opening clamp to open the whole bag body, and tea leaves are guided into the lower guide hopper (A8) through an upper guide hopper;

the first stepping motor (A1) works, the cuboid pressing aluminum block (A93) moves downwards along the guide rail under the driving of the long synchronous belt (A11), the cuboid pressing aluminum block (A93) can move downwards along the blanking channel in the lower guide hopper (A8) and extrude the materials in the lower guide hopper (A8), so that the tea leaves completely enter the bag body, the cuboid pressing aluminum block (A93) can play a role of buffering through the vertical pressing rod (A92) sleeved with the spring, so that the cuboid pressing aluminum block (A93) can not crush the tea leaves, the cuboid pressing aluminum block (A93) finally conveys the bag body filled with the tea leaves to the U-shaped groove plate positioned below, and meanwhile, the needle suction type vacuum pumping mechanism moves downwards along the guide rod (G1) in a free falling manner under the action of self gravity, the lower tube end of a strip-shaped needle type breather tube (G3) in the needle suction type vacuumizing mechanism can be finally inserted into the surface of a material in a bag body, a sealing strip mechanism in the bag body sealing and coding device clamps the bag opening of the bag body, simultaneously, the lower end of the strip-shaped needle type breather tube (G3) is also tightly clamped by the sealing strip mechanism, before the bag opening of the bag body is subjected to double-side heat sealing and coding, an original point approach switch I (A911) acts and drives a vacuumizing electromagnetic valve (G5) to control a vacuum pump (G4) to perform vacuumizing operation through switch conversion, and the lower tube end of the strip-shaped needle type breather tube (G3) can be inserted into the deepest part in the bag body and is contacted with the surface of the material in the bag body, so that the vacuumizing effect is not only prevented from being influenced by the absorption of the bag body, but also can ensure that the air in the bag body is more thoroughly vacuumized;

after the vacuumizing operation of the bag body is completed, the first stepping motor (A1) drives the long synchronous belt (A11) to rotate reversely, the long synchronous belt (A11) rotating reversely controls the pressing mechanism to ascend through the connecting plate I, the pressing mechanism ascends along the belt to lift the needle suction type vacuumizing mechanism upwards, the bottom end of a long strip needle type vent pipe (G3) in the needle suction type vacuumizing mechanism can be completely separated from the bag body, and finally the bag opening of the bag body is subjected to double-side heat sealing and code printing treatment.

3. The needle-type vacuum-pumping and heat-sealing coding device for electric shaping-packaging machines, according to claim 1, wherein, after the bag filled with tea leaves is dropped to the bag shaping device, the stepping motor (C8) drives the pinion gear, which drives the change gear and the pinion gear coaxial with the change gear to rotate, the pinion gear drives the first rack and the second rack engaged therewith to move in opposite directions, the first rack drives the first aluminum block (C9) to move to the left through the first aluminum fixing block, and the second rack drives the second aluminum block to move to the right through the second aluminum fixing block;

the first aluminum fixed block moving leftwards can push the right aluminum movable sealing module (C4) to move leftwards along the guide rail and move leftwards simultaneously and close to the left aluminum fixed sealing module (C3), the copper character mechanism is flexibly replaced to be close to the elliptic silica gel (D21) until the upper part of the bag opening of the bag body is clamped by the double-sided heat sealing mechanism, the first sealing strip (D12) and the second sealing strip (D14) are oppositely extruded together, the sealing strip mechanism can be closed and clamp the bag opening of the bag body, the coding mechanism and the double-sided heat sealing mechanism are closed and finally tightly attached to the bag opening part of the bag body under the buffering action of a first buffer spring (D15) in the sealing strip mechanism, after the needle suction type bag body vacuumizing device completes the vacuumizing process of the bag body, the temperature control line (D22) is added to control the temperature of bags made of different materials, the first temperature control line (D22) can not only ensure that the bags cannot be burnt and fused due to overhigh temperature, but also can ensure that the bags cannot be sealed due to the leakage, the double-sided heat sealing mechanism can simultaneously code the bag opening of the bag body, and the double-sided heat sealing code mechanism can be processed.

4. The needle-type evacuating and heat-sealing coding device for an all-electric shaping and packaging machine according to claim 1, wherein the sealing strip mechanism is capable of clamping the mouth of the bag, and since the first sealing strip (D12) and the second sealing strip (D14) both have elasticity, in this case, when the needle-type bag evacuating device is performing an evacuating operation on the bag, the first sealing strip (D12) and the second sealing strip (D14) are capable of preventing the bag from being air-leaked.