CN206466214U - Clean vegetables automatic packaging system - Google Patents

Abstract

The utility model discloses a kind of clean vegetables automatic packaging system, solve the problem of existing clean vegetables packaging line continuity is not high, its drip irrigation device is, the elevating hopper of discharging opening is offered including bottom, the material-receiving device of the weighing pan provided with weighing circuit with least two, for driving material-receiving device rotation so that weighing pan rotates to the rotating driving device of the lower section of discharging opening in turn, and the shrouding mechanism with the shrouding that can open and close discharging opening, weighing circuit is preset with weight basis value and when the weight on weighing pan is detected reaches weight basis value, shrouding mechanism action is controlled so that shrouding closes discharging opening；While control rotating driving device action is to drive material-receiving device to rotate so that adjacent disc spins of weighing are to the lower section of the discharging opening；Shrouding mechanism is acted so that door open structure discharging opening again after the material on the weighing pan screwed out from the lower section of discharging opening is taken away;The utility model, which has, improves the successional advantage of clean vegetables packaging line.

Description

Clean vegetables automatic packaging system

Technical field

The utility model is related to clean vegetables process equipment field, relates more specifically to clean vegetables automatic packaging system.

Background technology

As the improvement of people's living standards, the quickening of rhythm of life, people to instant, it is nutritious, by adding The demand of the fine vegetables of work is increasing.

Clean vegetables is also referred to as fresh fertilized vegetables, and the vegetables that will newly pluck are by arranging（Such as remove non-edible part, cutting Deng）, washing, sterilization etc. process operation, in gnotobasis, a kind of product for being vacuum-packed and being made.Clean vegetables is fresh, dry because of its Only, hygienic, easy to carry, somewhat cleaning is to be cooked into pot, and is welcome by consumer.

The technological process of clean vegetables processing includes, and 1）The harvesting of fresh vegetables；2）Arrange, remove non-edible part；3）Once Cleaning；4）Precook；5）Cooling；6）Segment or block；7）Secondary cleaning；8）Weighed；9）Pack；10）Sealing；11）Finished product, is housed in In refrigerator.Wherein, progress in being weighed, packed and sealed between sterile working.

At present, clean vegetables processing has formed more ripe pipelining, and each processing link is also to that should have correlation to add Construction equipment.Such as the packaging link of clean vegetables, Authorization Notice No. discloses for CN205615745U Chinese utility model patent A kind of bag-feeding full-automatic vacuum packaging machine, it include feeder, be arranged on feeder discharging opening lower section weighing cup And electronic scale, wherein electronic scale is placed on the platform with guardrail, and the lower section of platform is provided with packing machine, the exit of packing machine It is provided with product conveying belt.

Wherein packing machine includes what is set gradually by being constituted to bag servopackage and vacuum packaging component to bag servopackage Aspirate to bag structure, compressed air inflation inlet, material inlet, filling soup import and seal to bit architecture；Set on vacuum packaging component There are multiple packaging bag fixtures and vavuum pump connector.

During work, top of the material through feeder falls into weighing cup, it is weighed after be loaded into packaging bag, and by aspirating to bag Structure is picked up and is transferred to the correspondence position of compressed air inflation inlet and is inflated, and sealing is transferred to thereafter to entering at bit architecture Row sealing, after most carrying out vacuum pumping through vavuum pump connector afterwards, exports along product conveying belt and cases.

Clean vegetables packaging has formed streamlined operation, and material to be packaged endlessly delivers to feeding through feeding conveyer belt Machine, weighing cup or electronic scale can only be weighed once every time, treat the thing fallen into from discharging opening on weighing cup or electronic scale When material reaches default weight, that is, need first to stop the conveying operation of feeding conveyer belt, on weighing cup or electronic scale to be done Material package after, can just be again started up carrying out weighing next time and packaging.Consequently, it is possible to there is interruption in package handling Property, lack continuity, so as to cause inefficient.

Utility model content

The purpose of this utility model is to provide a kind of clean vegetables automatic packaging system, with the company for improving clean vegetables package handling The advantage of continuous property.

Above-mentioned purpose of the present utility model technical scheme is that：Clean vegetables automatic packaging system, bag Include the elevating hopper that bottom offers discharging opening, in addition to at least two the material-receiving device of the weighing pans provided with weighing circuit, For driving the material-receiving device to rotate so that the weighing pan rotates to the rotation driving dress of the lower section of the discharging opening in turn Put and the shrouding mechanism with the shrouding that can open and close the discharging opening, the weighing circuit is preset with weight base Accurate value and when the weight on the weighing pan is detected reaches the weight basis value, the control shrouding mechanism action so that The shrouding closes the discharging opening；While controlling the rotating driving device action to drive the material-receiving device to revolve Turn so that disc spins of being weighed described in adjacent to the lower section of the discharging opening；The shrouding mechanism is being taken away from the discharging opening Acted again so that discharging opening described in the door open structure after the material on the weighing pan that lower section is screwed out.

By using such scheme, material is fallen on the weighing pan of the lower section of discharging opening from the discharging opening of elevating hopper, The weighing circuit being located on weighing pan is detected to the weight for falling within the material of weighing pan, and is reached in the weight for detecting material To shrouding mechanism action is controlled during default weight basis value, shrouding is driven to close discharging opening；Rotating driving device is controlled simultaneously Action drive is weighed disc spins so that the weighing pan equipped with material is screwed out from the lower section of discharging opening, while adjacent thereto weighs Spiral to the lower section of discharging opening；After material on weighing pan is removed, shrouding mechanism is acted again, drives door open structure to discharge Mouthful, material is dropped down onto on weighing pan from discharging opening；The realization that so goes round and begins again is worked continuously, and has the advantages that to improve operating efficiency.

Preferably, the material-receiving device also includes the rotating disk being fixedly connected by supporting plate with the weighing pan, it is described Rotating driving device is the servomotor for being fixedly connected on the rotating disk and being preset with the single anglec of rotation, the servomotor electricity The weight that property is connected to the weighing circuit to be detected in the weighing circuit on the weighing pan reaches the weight basis Start during value.

By using such scheme, weight of the weighing circuit on weighing pan is detected reaches that control is watched during weight basis value Take electric motor starting, the rotation of servomotor driving rotating disk so that the weighing pan positioned at the lower section of discharging opening revolves from the lower section of discharging opening Go out, while weighing pan adjacent thereto is threaded to the lower section of discharging opening, so that weighing pan rotates to the lower section of discharging opening in turn.

Preferably, the shrouding is articulated with the side edge of the discharging opening by jointed shaft.

By using such scheme, shrouding is rotated around jointed shaft can open or close discharging opening.

Preferably, the shrouding mechanism includes being fixedly connected on the connecting rod of the jointed shaft and cut with scissors with the connecting rod The shrouding drive cylinder of the weighing circuit is connect and is electrically connected at, the shrouding drive cylinder is detected in the weighing circuit Weight on the weighing pan controls the piston rod of the shrouding drive cylinder to stretch out to drive when being less than the weight basis value Discharging opening described in the door open structure；Conversely, the shrouding drive cylinder is detected on the weighing pan in the weighing circuit The weight piston rod that controls when reaching the weight basis value shrouding drive cylinder to stretch out withdraw to drive the shrouding Close the discharging opening.

By using such scheme, when weight of the detection circuit on weighing pan is detected of weighing reaches weight basis value Control shrouding drive cylinder to withdraw the piston rod stretched out, and drive shrouding to rotate and seal to close to the direction of discharging opening by connecting rod Close discharging opening；Material-receiving device is driven to rotate and remove from the weighing pan of the lower section back-out of discharging opening in rotating driving device Material after, weighing circuit detects weight on weighing pan and is less than weight basis value, and control shrouding drive cylinder stretches out piston Bar, drives shrouding to be rotated to the direction away from discharging opening and exposes discharging opening.

Preferably, the weighing circuit includes the weight sensor installed in the middle part tried to get to the heart of a matter of the weighing pan.

By using such scheme, the middle part tried to get to the heart of a matter that weight sensor is arranged on weighing pan has higher detection sensitive The advantage of degree.

Preferably, also including taking up the packing box of device described in for use as material for that will be placed on the weighing pan The mechanical arm assembly removed on weighing pan.

By using such scheme, the packing box that mechanical arm assembly will be equipped with material is removed from weighing pan, then by sky Packing box be put on weighing pan, consequently, it is possible to wherein after the built-in full with substance of packing box on a weighing pan, place free The weighing pan of packing box the lower section of discharging opening is threaded under the driving of rotating driving device, work continuously, improve so as to realize Operating efficiency.

Preferably, the mechanical arm assembly includes, sliding rack, sliding are connected to the sliding rack and bottom is provided with clamping The manipulator in portion and the sliding actuator for driving the manipulator to be slid along the sliding rack.

By using such scheme, manipulator will be equipped with the packing box of material from weighing under the driving of sliding actuator Removed on disk.

Preferably, the clamping part include being fixedly connected on the fix bar of the principal arm of the manipulator, be articulated with it is described The paw of the end of fix bar and the linkage driving part for driving the paw close to each other or being located remotely from each other, it is described Slide bar is fixedly connected with dynamic actuator, is offered through the paw and the logical of sliding connection is worn and formed for the slide bar Groove.

By using such scheme, manipulator is when carrying out the grasping manipulation of packing box, and linkage driving part drives paw phase It is mutually remote, so as to open paw and be located at the both sides of packing box；Then linkage driving part counteragent makes paw mutually lean on It is near and clamp packing box；Now slide the placement that actuator drives manipulator to be moved to the packing box equipped with material along sliding rack Place, linkage driving part drives paw to open to put down packing box again；Then returned under the driving of sliding actuator along sliding rack To the top of weighing pan, and said process is repeated, complete the continuous action that the packing box equipped with material is removed from weighing pan.

Preferably, disk is supported in the end of the paw provided with horn-like.

It is horn-like to effect of the disk with the contact area for increasing paw and packing box by using such scheme, so that Paw is provided stronger clamping force to packing box, reduce manipulator during packing box is captured, packing box is fallen into Situation.

Preferably, also including in the stroke of the mechanical arm assembly so that the manipulator places the packing box Middleware conveyer belt.

By using such scheme, manipulator is removed after packing box from weighing pan, and it is defeated that packing box is placed on into middleware Send and take, and next packaging link is delivered to by middleware conveyer belt.

In summary, the utility model has the advantages that：

First, by provided with rotating driving device, drive the material-receiving device with least two weighing pans to rotate, make title Weight plate wheel stream is rotated to the lower section of the discharging opening of elevating hopper, and the weight of the material on weighing pan is reached on weighing pan Weighing circuit default weight basis value when, control shrouding mechanism action, shrouding is closed discharging opening；Rotation is controlled to drive simultaneously Dynamic device action rotates material-receiving device；Now, the weighing pan equipped with material is screwed out from the lower section of discharging opening, while and its Adjacent weighing pan is threaded to the lower section of discharging opening；By provided with manipulator the material on weighing pan is removed after, shrouding mechanism Act again, drive door open structure discharging opening, material is dropped down onto on the weighing pan of the lower section of discharging opening from discharging opening；It is so all And renew realization and work continuously, have the advantages that to improve operating efficiency；

Second, the weight sensor installed in the middle part tried to get to the heart of a matter of weighing pan has the advantages that higher detection sensitivity；

Third, located at the end of paw and in the horn-like work that disk has the contact area of increase paw and packing box that supports With so that paw can provide stronger clamping force to packing box, reduction manipulator is during packing box is captured, packaging The situation that box is fallen into.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the present embodiment, to show elevating hopper and material-receiving device；

Fig. 2 is the close-up schematic view at A in Fig. 1；

Fig. 3 is the close-up schematic view at B in Fig. 1；

Fig. 4 is the overall structure diagram of the present embodiment, to show middleware conveyer belt and mechanical arm assembly；

Fig. 5 is the sectional view of the clamping part of manipulator；

Fig. 6 is the close-up schematic view at C in Fig. 4；

Fig. 7 is the circuit connection diagram of the performance loop of weighing circuit, the performance loop of servomotor and shrouding drive cylinder.

In figure, 10, elevating hopper；20th, feeding conveyer belt；30th, material-receiving device；40th, servomotor；50th, base；60th, it is middle Part conveyer belt；70th, mechanical arm assembly；80th, weighing circuit；90th, packing box；11st, feeding mouth, 12, discharging opening；13rd, jointed shaft； 14th, shrouding；15th, shrouding drive cylinder；16th, connecting rod；31st, rotating disk；32nd, supporting plate；33rd, weighing pan；71st, sliding rack；72nd, it is sliding Block；73rd, manipulator；74th, drive cylinder is slid；81st, weight sensor；331st, try to get to the heart of a matter；332nd, edge is kept off；711st, slip base；712、 Slide bar；713rd, support feet；731st, principal arm；732nd, clamping part；7321st, fix bar；7322nd, paw；7323rd, linkage driving gas Cylinder；7324th, to disk；7325th, slide bar；7326th, groove.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of clean vegetables automatic packaging system, refers to Fig. 1, including top offers the elevating hopper 10 of feeding mouth 11, please join See Fig. 3, the bottom of elevating hopper 10 is further opened with discharging opening 12.Fig. 1 please be go back to, the top of elevating hopper 10, which is set up, feeding conveyer belt 20, material is delivered to the top of elevating hopper 10 by feeding conveyer belt 20 and falls into elevating hopper 10 from feeding mouth 11.

The lower section of elevating hopper 10 is placed with the material-receiving device of the material come out for the discharging opening 12 accepted from elevating hopper 10 30.Wherein material-receiving device 30 includes rotating disk 31, and the perisporium of autorotation disk 31 is outside integrally formed with least two supporting plates 32, and Supporting plate 32 is uniformly laid around the perisporium of rotating disk 31.

Refer to Fig. 2, the end of supporting plate 32 is welded with 331 rounded weighing pans 33 of trying to get to the heart of a matter, and around trying to get to the heart of a matter 331 Week is along straight up integrally formed with gear along 332.Gear plays to prevent from being placed on along 332 takes up device on weighing pan 33 as material The effect dropped in the rotary course of weighing pan 33 from weighing pan 33 of packing box 90.

Fig. 4 is referred to, rotating disk 31 is fixedly connected with being preset with the servomotor 40 of the single anglec of rotation, please go back to Fig. 1, turned The lower section of disk 31 is placed with the base 50 that middle part offers standing groove（Standing groove is not shown）, servomotor 40 i.e. placement Abutted against in standing groove and with the inwall of standing groove, base 50 is played a supporting role to servomotor 40, can be steady Place.

Fig. 3 is referred to, the side edge of the discharging opening 12 of elevating hopper 10 is hinged with shrouding 14 by jointed shaft 13.Feeding Shrouding drive cylinder 15 is hinged with the outer wall of bucket 10, and the end of the piston rod of shrouding drive cylinder 15 is hinged with and jointed shaft The connecting rod 16 of 13 one end welding.

When the piston rod of shrouding drive cylinder 15 stretches out, drivening rod 16 and jointed shaft 13 are to the direction away from discharging opening 12 Rotate, expose discharging opening 12 so as to open shrouding 14 so that material can be dropped down onto on weighing pan 33 from discharging opening 12.Shrouding drives When cylinder 15 of taking offence withdraws the piston rod stretched out, connecting rod 16 and jointed shaft 13 are under the drive of piston rod towards close to discharging opening 12 Direction is rotated, so that shrouding 14 closes discharging opening 12.

Fig. 4 is referred to, in addition to is set up in the middleware conveyer belt 60 and mechanical arm assembly 70 of the side of material-receiving device 30. Wherein mechanical arm assembly 70 includes being erected at the sliding rack 71 of the side of middleware conveyer belt 60, and sliding rack 71 includes two slidings Seat 711, the sliding bar 712 that is welded between two slip bases 711 and be shaped in slip base 711 bottom support Pin 713.

It is socketed with to slide with the sliding formation of bar 712 on sliding bar 712 and is welded with bottom on the sliding block 72 that is connected, sliding block 72 and sets There is the manipulator 73 of clamping part 732.Fig. 5 is referred to, clamping part 732 includes the principal arm 731 integrally formed two with manipulator 73 Root fix bar 7321 and be hingedly connected to two fix bars 7321 end two paws 7322, and two paws 7322 offer close to one end of the principal arm 731 of manipulator 73 and are equipped with the groove 7326 through paw 7322, groove 7326 The slide bar 7325 being connected with the formation sliding of groove 7326, and slide bar 7325 is shaped in the principal arm by screw and manipulator 73 The 731 linkage driving parts 7323 being fixedly connected；Linkage driving part 7323 in the present embodiment is linkage driving cylinder 7323.

Please go back in Fig. 4, sliding rack 71 be also welded with application driving force in sliding block 72 make sliding block 72 along sliding bar 712 slide Sliding actuator 74, sliding actuator 74 in the present embodiment is sliding drive cylinder 74, and the work of sliding drive cylinder 74 Welded with sliding block 72 end of stopper rod.

When the weighing pan 33 equipped with material is rotated to the lower section of manipulator 73, the piston rod of linkage driving cylinder 7323 is stretched Two paws 7322 of sening as an envoy to are located remotely from each other, so that the principal arm 731 for opening paw 7322 and control machinery hand 73 is extended downwardly from so that Paw 7322 is located at the both sides of packing box 90；Then the piston rod that control linkage driving cylinder 7323 stretches out is withdrawn, and makes two hands Pawl 7322 is close to each other and clamps packing box 90；The principal arm 731 of manipulator 73 is sliding the drive of drive cylinder 74 after reclaiming upwards Moved under making along sliding bar 712 to close to the direction of middleware conveyer belt 60, middleware conveyer belt 60 is reached in manipulator 73 Top after, linkage driving cylinder 7323 drives two paws 7322 to be opened, and the packing box 90 that will be equipped with material is placed on centre On part conveyer belt 60, next packaging link is sent to by middleware conveyer belt 60.

Packing box 90 equipped with material after the removal, manually to the packing box 90 that sky is added on empty weighing pan 33.

Fig. 6 is referred to, the end of two paws 7322 is fixed with by screw supports disk 7324, and position respectively in horn-like The opening to disk 7324 in the end of two paws 7322 is oppositely arranged.There is increase paw 7322 and packing box to disk 7324 The effect of 90 contact area, occurs what packing box 90 dropped when capturing packing box 90 so as to effectively reduce manipulator 73 Situation.

Refer to Fig. 7, trying to get to the heart of a matter for weighing pan 33 331 is provided with the weighing circuit 80 with weight sensor 81, and weight Sensor 81 be arranged on weighing pan 33 try to get to the heart of a matter 331 middle part, with improve weight sensor 81 detection sensitivity effect.

The circuit connecting relation of weighing circuit 80 is that weight sensor 81 is electrically connected at inverting input provided with weight base The first comparator U1 of quasi- value normal phase input end, first comparator U1 output end is electrically connected at the first transistor Q1 base Pole, the first transistor Q1 grounded emitter, the first transistor Q1 colelctor electrode be in series be electrically connected with the power supply first after Electrical equipment K1 coil, the two ends reverse parallel connection of the first relay K1 coil has the first sustained diode 1.

The first relay K1 the first single-pole single-throw(SPST normal open switch K1-1 is in series with the performance loop of servomotor 40.

The first relay K1 the first single-pole double-throw switch (SPDT) K1-2 is in series with the performance loop of shrouding drive cylinder 15.The One single-pole double-throw switch (SPDT) K1-2 normally closed point is electrically connected at the intake valve of shrouding drive cylinder 15；First single-pole double-throw switch (SPDT) K1-2 opened point is electrically connected at the air outlet valve of shrouding drive cylinder 15.

Weighing circuit 80 on each weighing pan 33 is parallel with one another, corresponding, is controlled by each electricity of weighing The single-pole single-throw(SPST normal open switch of the coil of relay in road 80 is parallel with one another, is controlled by the relay of each weighing circuit 80 The single-pole double-throw switch (SPDT) of coil is parallel with one another.

With increasing for the material dropped down onto on weighing pan 33, the input voltage of first comparator U1 normal phase input end is progressively Increase, when the input voltage of normal phase input end is higher than the corresponding with weight basis value of first comparator U1 inverting input input Voltage when, first comparator U1 output end output high level, the first transistor Q1 conductings, the first relay K1 coil obtains The first single-pole single-throw(SPST normal open switch K1-1 adhesives in electricity, the performance loop of servomotor 40, servomotor 40, which is powered, to be started simultaneously Rotate and stop after the default anglec of rotation；Now, manipulator 73 removes the packing box 90 equipped with material, first from weighing pan 33 The input voltage of comparator U1 normal phase input end is less than the input voltage of inverting input, and first comparator U1 output end is defeated Go out low level, the first transistor Q1 cut-offs, the first relay K1 coil losing electricity, the first single-pole single-throw(SPST normal open switch K1-1 breaks Open, servomotor 40 is powered off.

In addition, while the first relay K1 coil obtains electric, the first single-pole double-throw switch (SPDT) K1-2 normally closed point disconnects, First single-pole double-throw switch (SPDT) K1-2 opened point closure, the air outlet valve conducting of shrouding drive cylinder 15, shrouding drive cylinder 15 is stretched The piston rod gone out is withdrawn, and drives the closing discharging opening 12 of shrouding 14；While the first relay K1 coil losing electricity, the first hilted broadsword Commutator K1-2 normally closed point closure, the first single-pole double-throw switch (SPDT) K1-2 opened point disconnects, and shrouding drive cylinder 15 enters Air valve is turned on, and shrouding drive cylinder 15 stretches out piston rod, and opening shrouding 14 exposes discharging opening 12.

The utility model compared with prior art, with the successional advantage of clean vegetables package handling is improved, is carried so as to reach The advantage of high workload efficiency.

This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected in right of the present utility model by Patent Law.

Claims (10)

1. clean vegetables automatic packaging system, including bottom offer the elevating hopper (10) of discharging opening (12), it is characterized in that：Also include tool There is the material-receiving device (30) of at least two weighing pans (33) provided with weighing circuit (80), for driving the material-receiving device (30) Rotation is so that the weighing pan (33) rotates to the rotating driving device of the lower section of the discharging opening (12) and with energy in turn The shrouding mechanism of enough shroudings (14) for opening and closing the discharging opening (12), the weighing circuit (80) is preset with weight basis Value and when the weight on the weighing pan (33) is detected reaches the weight basis value, control the shrouding mechanism action with The shrouding (14) is set to close the discharging opening (12)；While controlling the rotating driving device action to drive described connect Expect device (30) rotation so that the lower section of weighing pan (33) rotation to the discharging opening (12)；The shrouding mechanism is taking Walk and acted again so that the shrouding from after the material on the weighing pan (33) of the lower section back-out of the discharging opening (12) (14) discharging opening (12) is opened.

2. clean vegetables automatic packaging system according to claim 1, it is characterized in that：The material-receiving device (30) also includes passing through The rotating disk (31) that supporting plate (32) is fixedly connected with the weighing pan (33), the rotating driving device is described to be fixedly connected on Rotating disk (31) and the servomotor (40) for being preset with the single anglec of rotation, the servomotor (40) are electrically connected at described weigh When circuit (80) reaches the weight basis value with the weight detected in the weighing circuit (80) on the weighing pan (33) Start.

3. clean vegetables automatic packaging system according to claim 1, it is characterized in that：The shrouding (14) passes through jointed shaft (13) It is articulated with the side edge of the discharging opening (12).

4. clean vegetables automatic packaging system according to claim 3, it is characterized in that：The shrouding mechanism includes being fixedly connected on The connecting rod (16) of the jointed shaft (13) and it is hinged with the connecting rod (16) and is electrically connected at the weighing circuit (80) Shrouding drive cylinder (15), the shrouding drive cylinder (15) is detected on the weighing pan (33) in the weighing circuit (80) Weight control the piston rod of the shrouding drive cylinder (15) to stretch out to drive the shrouding when being less than the weight basis value (14) discharging opening (12) is opened；Conversely, the shrouding drive cylinder (15) detected in the weighing circuit (80) it is described Weight on weighing pan (33) controls the shrouding drive cylinder (15) to stretch out piston rod when reaching the weight basis value is received Return to drive the shrouding (14) to close the discharging opening (12).

5. clean vegetables automatic packaging system according to claim 1, it is characterized in that：The weighing circuit (80) includes being arranged on The weight sensor (81) at the middle part of the trying to get to the heart of a matter of the weighing pan (33) (331).

6. clean vegetables automatic packaging system according to claim 1, it is characterized in that：Also include being used to that described weigh will to be placed on The mechanical arm assembly (70) that the packing box (90) for taking up device for use as material on disk (33) is removed from the weighing pan (33).

7. clean vegetables automatic packaging system according to claim 6, it is characterized in that：The mechanical arm assembly (70) includes sliding Frame (71), sliding are connected to the sliding rack (71) and bottom is provided with the manipulator (73) of clamping part (732) and for driving The sliding actuator (74) that the manipulator (73) slides along the sliding rack (71).

8. clean vegetables automatic packaging system according to claim 7, it is characterized in that：The clamping part (732) includes fixed connect The fix bar (7321) that is connected to the principal arm (731) of the manipulator (73), the hand for the end for being articulated with the fix bar (7321) Pawl (7322) and the linkage driving part (7323) for driving the paw (7322) close to each other or being located remotely from each other, it is described Slide bar (7325) is fixedly connected with linkage driving part (7323), is offered through the paw (7322) for the slide bar (7325) wear and formed the groove (7326) of sliding connection.

9. clean vegetables automatic packaging system according to claim 8, it is characterized in that：The end of the paw (7322) is provided with loudspeaker Shape supports disk (7324).

10. clean vegetables automatic packaging system according to claim 6, it is characterized in that：Also include being located at the mechanical arm assembly (70) for the middleware conveyer belt (60) of the manipulator (73) the placement packing box (90) in stroke.