CN112918787A

CN112918787A - Large-scale double-station fried bean curd filling machine

Info

Publication number: CN112918787A
Application number: CN202110317309.3A
Authority: CN
Inventors: 武建伟; 金丽丽; 吴军辉; 颜建国; 赵瑜; 许方富
Original assignee: Research Institute of Zhejiang University Taizhou
Current assignee: Research Institute of Zhejiang University Taizhou
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-06-08
Anticipated expiration: 2041-03-25
Also published as: WO2022199139A1; CN112918787B

Abstract

The invention discloses a large-scale double-station fried bean curd filling machine which comprises a rack, wherein a driving combination is arranged in the rack, and a turntable mechanism, a lower suction bag combination, a bag taking combination, a first opening and clamping assembly, a bag opening combination, a bag opening linkage combination, a second opening and clamping assembly, a feeding and pressing bag combination, a bag guiding sheet combination, a bag detection combination, a non-vacuumizing heat sealing mechanism, a non-vacuumizing discharge conveying belt, a bag receiving arm combination, a vacuum rotation combination and a vacuumizing discharge conveying belt are arranged on the rack. The automatic grabbing and opening device can realize automatic grabbing of the packaging bag, automatic bag opening, automatic filling of the fried bean curd, automatic vacuumizing and automatic packaging of the packaging bag, automatic discharging of non-vacuum packaging and automatic discharging of vacuum packaging, and the fried bean curd is quick and efficient to fill, sanitary, safe, stable and reliable.

Description

Large-scale double-station fried bean curd filling machine

Technical Field

The invention relates to a large double-station fried bean curd filling machine.

Background

In the face of huge packaging requirements in the fields of food, medicine and the like, the food packaging machine industry keeps an astonishing development speed, and opens a development path of intellectualization and automation. The problems of reducing the cost, improving the product yield, the product quality, the food safety and the like present new challenges for the food packaging machine industry.

The fried bean curd is fried food of bean curd. At present, the fried bean curd has large production capacity, large workload of manual filling and packaging, slow speed, sealed sealing equipment after semi-automatic equipment also needs manual material receiving, time and labor are wasted, the working efficiency is low, and the problems of the fried bean curd, loose package, oil stain contamination of the outer package and the like easily occur.

Disclosure of Invention

The invention aims to solve the technical problems that the filling work efficiency of the existing fried bean curd is low, the fried bean curd is spilled outside, the package is not tight, oil stains are easy to contaminate the external package and the working environment of workers.

In order to realize the aim, the invention provides a large-scale double-station fried bean curd filling machine which comprises a rack, wherein a driving combination is arranged in the rack, and a turntable mechanism, a downward bag sucking combination, a bag taking combination, a first opening and clamping assembly, a bag opening combination, a bag opening linkage combination, a second opening and clamping assembly, a feeding and bag pressing combination, a bag guiding sheet combination, a bag detection combination, a non-vacuumizing heat sealing mechanism, a non-vacuumizing discharging conveying belt, a bag receiving arm combination, a vacuum rotating combination and a vacuumizing discharging conveying belt are arranged on the rack; part of components of the turntable mechanism, the lower suction bag combination, the bag taking combination, the first opening and clamping assembly, the bag opening combination, the bag opening linkage combination, the second opening and clamping assembly, the feeding and pressing bag combination, the bag receiving arm combination and the vacuum rotation combination extend into the rack and are driven by the driving combination to do periodic reciprocating motion uniformly; the lower suction bag group is suitable for sucking the packaging bags, the bag taking combination is suitable for taking the packaging bags to a machine clamp of the turntable mechanism, the first clamp opening assembly is suitable for starting the machine clamp to clamp the packaging bags and the packaging bags are transported by the turntable mechanism, the bag opening combination and the bag opening linkage combination are suitable for opening and supporting the packaging bags in a coordinated mode, the feeding and bag pressing combination is suitable for filling fried bean curd into the packaging bags and blowing and pressing the fried bean curd into the packaging bags, and the bag guiding sheet combination is suitable for limiting the packaging bags; in the non-vacuumizing mode, when the bag detection combination detects a packaging bag, the non-vacuumizing heat sealing mechanism is started to heat seal the packaging bag, and the rotary table mechanism loosens the packaging bag to discharge materials above the non-vacuumizing discharge conveying belt; under the evacuation mode, connect a bag arm combination to deliver to the wrapping bag that does not heat-seal the vacuum rotates combination transportation, evacuation and heat-seal, and in evacuation ejection of compact conveyer belt top, carousel mechanism loosens the wrapping bag ejection of compact.

Further, the driving combination comprises a total driving speed reduction motor, a transverse main shaft, a longitudinal main shaft and a conical gear set; the transverse main shaft is connected with a total drive speed reduction motor and transmits power to the longitudinal main shaft through the conical gear set.

Further, the turntable mechanism comprises a central turntable mechanism, a turntable driving assembly, a cam disc height adjusting mechanism and a swing arm machine clamp assembly; the central turntable mechanism comprises a main shaft seat, a central turntable shaft, a central rotating shaft gear, a tensioning sleeve, a turntable flange, a turntable, a first supporting bearing group, a second supporting bearing group, a cam disc, a turntable seat, a lifting encircling block and a central turntable shaft long key; the main shaft seat is arranged on the frame, and the central turntable shaft is arranged on the main shaft seat through the first support bearing group and rotates relative to the main shaft seat; the central rotating shaft is arranged on the central turntable shaft through the second supporting bearing group and rotates relative to the central turntable shaft; the bottom end of the central rotating shaft is provided with the central rotating shaft gear through the tensioning sleeve, and the top end of the central rotating shaft is provided with the rotating disc through the rotating disc flange; the cam disc is arranged on the wheel disc seat, and the wheel disc seat is sleeved on the central turntable shaft and the long key of the central turntable shaft to rotate together by transmitting torque; the lifting encircling block is arranged in a hole groove of the wheel disc seat and is connected with the cam disc height adjusting mechanism for height positioning; the wheel disc driving assembly comprises a cam divider, a driving gear, an input gear and an output gear; the cam divider is fixed on the rack and converts rotary motion into six equal-division intermittent motion, the input gear is installed at the motion input end of the cam divider, and the output gear is installed at the motion output end of the cam divider and meshed with the central rotating shaft gear; the driving gear is arranged on the longitudinal main shaft, is meshed with the input gear and rotates along with the longitudinal main shaft; the cam disc height adjusting mechanism comprises a hand wheel mechanism mounting frame, a cam disc lifting fixed bearing seat group, a hand wheel, a lead screw, a linear rail slider combination, a lead screw nut seat, a nut seat connecting rod, a cam disc lifting swing arm, a cam disc lifting rod, a cam disc lifting swing frame, a turntable supporting pin, a swing fixing seat and a swing frame rotating shaft; the hand wheel mechanism mounting frame and the cam disc lifting fixed bearing seat group are fixed on the frame, the linear rail sliding block combination and the screw rod are mounted on the hand wheel mechanism mounting frame, and the swinging fixed seat is fixed on the main shaft seat; the lead screw is provided with the lead screw nut seat, is combined and connected with the linear rail sliding block and plays a role in guiding, and the hand wheel is arranged on the outermost side of the lead screw and is used for manual adjustment; the screw rod nut seat is sequentially connected with a nut seat connecting rod, a cam disc lifting swing arm, a cam disc lifting rod and a cam disc lifting swing frame to transmit torque; the cam plate lifting swing frame is installed on the swing fixing seat through the swing frame rotating shaft and rotates around the swing frame rotating shaft, and a turntable supporting pin is installed in the middle of the cam plate lifting swing frame and inserted into the lifting encircling block; the rocking hand wheel and the screw rod nut seat move on the screw rod to push the nut seat connecting rod, further push the cam disc lifting swing arm connecting rod and the cam disc lifting swing arm to drive the cam disc lifting rod and the cam disc lifting swing frame, so that the cam disc lifting swing frame rotates around a swing frame rotating shaft, a turntable supporting pin drives the wheel seat and the cam disc to lift, and the initial angle of the clamp of the swing arm clamp combination is adjusted; the swing arm machine clamp combination comprises 6 groups, and each group comprises a first swing arm mounting seat, a second swing arm mounting seat, a left machine clamp rotating shaft, a right machine clamp rotating shaft, a first swing arm connecting rod, a cam disc roller, a cam disc swing arm, a second swing arm connecting rod, a machine clamp roller, a torsion spring swing arm, a left machine clamp, a machine clamp coupling shaft, a right machine clamp swing arm and a right machine clamp; the first swing arm mounting seat, the second swing arm mounting seat, the left machine clamp rotating shaft and the right machine clamp rotating shaft are fixed on the turntable; the first swing arm connecting rod and the second swing arm connecting rod are respectively connected to the first swing arm mounting seat and the second swing arm mounting seat and are connected through a cam disc swing arm in the middle; one end of the cam plate swing arm is provided with a cam plate roller which is in abutting contact with the cam plate; one end of the second swing arm connecting rod is provided with a machine clamp roller which is in top contact with a torsional spring swing arm arranged on the left machine clamp rotating shaft; the torsional spring swing arm is connected with the right machine clamp swing arm through a machine clamp coupling, and the left machine clamp and the right machine clamp are respectively installed on the torsional spring swing arm and the right machine clamp swing arm.

Further, the left machine clamp comprises a machine clamp shell, a pushing end cover, a machine clamp spreading guide sleeve, a machine clamp inner pin shaft, a machine clamp spring, a fixed shaft sleeve, a clamping block connecting rod, a clamping block and a stop pin; the pushing end cover, the machine clamp inner pin shaft, the machine clamp spring, the fixed shaft sleeve and the clamping block connecting rod are arranged inside the machine clamp shell, the clamp spreading guide sleeve is fixedly connected with the pushing end cover and the machine clamp inner pin shaft in sequence, the machine clamp spring is sleeved outside the machine clamp inner pin shaft and is extruded between the pushing end cover and the fixed shaft sleeve, the machine clamp inner pin shaft is connected with the clamping block through the clamping block connecting rod, and meanwhile, the clamping block is connected with the outer part of the machine clamp shell through the pin shaft; under the action of the clamp spring, the left clamp is in a normally clamped state, the first clamp opening assembly and the second clamp opening assembly push the guide sleeve open through the pushing clamp, and the clamping block is pushed to clamp and release the packaging bag through the pushing end cover, the clamp inner pin shaft and the clamping block connecting rod.

Further, the lower bag suction combination comprises a joint support plate, a bag suction lifting swing arm, a bag suction cam roller, a bag suction cam, a guide pillar fixing shaft seat, a bag suction sliding guide sleeve, a bag suction sliding guide pillar, a bag suction joint connecting plate, a bag suction connecting block, a bag suction bearing connecting rod, a bag suction lifting shaft, a bag suction shaft seat, a vacuum sucker group and a packaging bag material rack; the bag sucking machine comprises a rack, a guide pillar fixing shaft seat, a guide pillar lifting swing arm, a bag sucking cam, a bag sucking bearing connecting rod, a bag sucking joint connecting plate, a bag sucking connecting block, a bag sucking lifting shaft and a vacuum sucker group, wherein the packaging bag material rack and the bag sucking shaft seat are arranged above a table top of the rack; one side of the suction bag connecting block is provided with a suction bag sliding guide sleeve which is sleeved on a suction bag sliding guide column arranged on a guide column fixing shaft seat, and the suction bag shaft seat is sleeved on a suction bag lifting shaft and plays a role in guiding the suction bag sliding guide sleeve and the suction bag lifting shaft.

Further, the bag taking assembly comprises a fixed bearing seat group, a bag taking cam swing arm, a bag taking cam roller, a bag taking cam, a bag taking bearing connecting rod, a hollow upright post, a bag taking rotating shaft, a lower swing arm, a lower swing arm connecting rod, a bag taking arm assembly, a hanging post bearing connecting rod, an arm hanging post, a lower swing driving arm and a rotating shaft mounting bearing seat; the fixed bearing seat group and the hollow upright post are fixed on the frame, the bag taking cam is arranged on the longitudinal main shaft, and the bag taking cam roller is arranged on the bag taking cam swing arm and keeps contact with the bag taking cam; one end of the bag taking cam swing arm is arranged in the center of a fixed swing arm on the fixed bearing seat group, and the other end of the bag taking cam swing arm is sequentially connected with a bag taking bearing connecting rod, a lower swing driving arm, a bag taking rotating shaft, a lower swing arm connecting rod and a bag taking arm combination; the bag taking rotating shaft fixes a rotating shaft center through a pair of rotating shaft mounting bearing seats arranged on the hollow upright post and is fixedly connected with the lower swing driving arm and the lower swing arm; the arm hanging columns are fixed on the hollow upright columns and connected with the bag taking arm combination through hanging column bearing connecting rods.

Further, the first unclamping assembly comprises a first unclamping cam, a first unclamping cam roller, a first unclamping fixed bearing seat group, a first unclamping cam swing arm, a first unclamping swing arm connecting rod, a first unclamping shaft seat inner shaft, a first unclamping swing shaft, a first unclamping push plate and a first unclamping baffle plate; the first clamping fixing bearing seat group and the first clamping opening bearing seat are arranged on the frame; the first unclamping cam is arranged on the longitudinal main shaft, the first unclamping cam swing arm is arranged at the center of the fixed swing arm on the first unclamping fixed bearing seat group, one end of the first unclamping cam swing arm is provided with a first unclamping cam roller which keeps contact with the first unclamping cam, and the other end of the first unclamping cam swing arm swing; the first opening clamping swing shaft penetrates through the first opening clamping shaft seat, is connected to the inner shaft of the first opening clamping shaft seat and is suitable for rotating and swinging in the inner range of the first opening clamping shaft seat around the axis of the inner shaft of the first opening clamping shaft seat, and the top of the first opening clamping swing shaft is provided with a first opening clamping push plate and a first opening clamping baffle plate.

Further, the bag opening combination comprises a bag opening mounting frame, a bag opening cam, an air blowing pipe, a bag opening left sucker, a bag opening right sucker, a bag opening cam roller, a bag opening fixed shaft bearing seat group, a bag opening cam swing arm, a bag opening swing arm connecting rod, a bag opening right swing arm rotating shaft, a bag opening left swing arm connecting rod, a bag opening left swing arm rotating shaft and a bag opening left swing arm; the bag opening mounting rack is fixed on the rack, the top of the bag opening mounting rack is provided with an air blowing pipe, and the bag opening fixing bearing seat group, the bag opening right swing arm rotating shaft and the bag opening left swing arm rotating shaft are all mounted on the bag opening mounting rack; the bag opening cam is arranged on the longitudinal main shaft, the bag opening cam swing arm is arranged in the center of a fixed swing arm on the bag opening fixed bearing seat group, one end of the bag opening cam swing arm is provided with a bag opening cam roller which keeps contact with the bag opening cam, and the other end of the bag opening cam swing arm is sequentially connected with a bag opening swing arm connecting rod, a bag opening right swing arm, a bag opening left swing arm connecting rod and a bag opening left swing arm; the bag opening right swing arm and the bag opening left swing arm are respectively arranged on the bag opening right swing arm rotating shaft and the bag opening left swing arm rotating shaft to fix the swing arm rotating shaft, and the tail ends of the bag opening right swing arm and the bag opening left swing arm are respectively arranged with a bag opening left sucker and a bag opening right sucker.

Further, the bag supporting linkage combination comprises a lifting fixed bearing seat group, a swinging fixed bearing seat group, a supporting frame, a lifting cam roller, a lifting cam swing arm, a lifting roller, a central shaft, a swinging cam swing arm, a swinging cam roller, a swinging connecting rod, a swinging lantern ring, a central shaft long key, a central shaft top end mounting frame and a bag supporting mechanism; the lifting fixed bearing seat group, the swinging fixed bearing seat group and the supporting frame are fixed on the frame, and the lifting cam and the swinging cam are installed on the longitudinal main shaft and rotate along with the longitudinal main shaft; the lifting cam swing arm is arranged on a fixed swing shaft on the lifting fixed bearing seat group, one end of the lifting cam swing arm is provided with a lifting cam roller which keeps contact with the lifting cam, and the other end of the lifting cam swing arm is provided with a lifting roller which is propped against the central shaft; one end of a swing cam swing arm is arranged on a fixed swing shaft on the fixed swing bearing seat group, the other end of the swing cam swing arm is connected with a swing connecting rod, a swing cam roller is arranged on the swing cam swing arm and keeps contact with a swing cam, the swing connecting rod is connected with a swing lantern ring, and the swing lantern ring is sleeved on the central shaft and the central shaft long key; the top end of the central shaft is provided with a central shaft top end mounting rack and a bag opening mechanism.

Further, the feeding and bag pressing combination comprises a blanking cam, a blanking cam roller, a blanking lifting shaft, a blanking coupling block, a blanking sliding guide sleeve, a blanking sliding guide pillar, a blanking guide pillar shaft seat, a blanking hopper, a blanking lifting plate, a pressing block coupling plate and a pressing and blowing block; the blanking guide pillar shaft seat and the blanking shaft seat are arranged on the rack; the blanking cam is arranged on the longitudinal main shaft, rotates along with the longitudinal main shaft and keeps contact with a blanking cam roller arranged on the blanking lifting shaft; a blanking lifting plate is arranged above the blanking lifting shaft, and a blanking funnel and a material pressing and air blowing block are arranged on the blanking lifting plate; one side of the blanking coupling block is provided with a blanking sliding guide sleeve which is sleeved on a blanking sliding guide post arranged on a blanking guide post shaft seat, the blanking shaft seat is sleeved on a blanking lifting shaft, and the blanking lifting shaft and the blanking sliding guide sleeve play a role in guiding.

Further, the non-vacuumizing heat sealing mechanism comprises a heat sealing mounting support, a linear bearing seat, a guide post, a pushing cylinder, a heat sealing pressing plate, a pressure spring upright post, a pressure spring, a heat sealing sheet pressing plate, a sealing film silica gel pad, a heat sealing sheet bottom plate and a guide plate metal; the linear bearing seat, the pushing cylinder and the heat-seal sheet bottom plate are fixed on the heat-seal mounting bracket; the front end of the pushing cylinder is provided with a heat-sealing pressure plate, the heat-sealing pressure plate is fixed with a guide column and is sleeved with a pressure spring upright post, the guide column is arranged in a linear bearing seat, the pressure spring upright post is sleeved with a pressure spring, and the front end of the pressure spring upright post is provided with a heat-sealing sheet pressure plate; the front of the heat sealing sheet pressing plate is pasted with a film sealing silica gel pad, the inner side of the heat sealing sheet bottom plate is provided with a heat sealing sheet, and the end part of the heat sealing sheet pressing plate is provided with a guide metal plate.

Further, the non-vacuumized discharging conveyor belt comprises a first speed reducing motor, a first bracket profile, a first conveyor belt fixing plate, a first conveyor belt, a first driving head end cover group, a first driven head end cover group, a first discharging guide metal plate, a first motor mounting plate, a first driving rolling shaft, a first rolling shaft bearing, a first driven rolling shaft and a first belt backing plate; the first conveying belt fixing plate fixes a pair of first bracket profiles on the rack to form a conveying belt bracket, a first speed reducing motor is arranged at the driving end of each first bracket profile through a first motor mounting plate, a first driving head end cover group is arranged at the end part of each first bracket profile, a first roller bearing is arranged in each driving head end cover and used for mounting a first driving roller, and each first driving roller is connected with the corresponding first speed reducing motor; the driven end of the first bracket section bar is provided with a first driven head end cover group which is used for installing a first driven roller; a first belt cushion plate is arranged on the inner side of the first support section bar and used for supporting a first conveying belt; the first driving roller, the first driven roller and the first belt backing plate are tightly wrapped by the first conveying belt to form a conveying belt; the first discharging guide metal plate is arranged above the first support profile to form a discharging channel.

Further, the bag receiving arm combination comprises a central swing arm cam link mechanism, a central swing arm tension shaft, a central swing arm, a bag taking swing arm cam link mechanism, a bag taking swing arm tension shaft, a bag taking swing arm and a bag clamping mechanism; the central swing arm is fixedly connected with the swing ring, and the central swing arm cam link mechanism and the bag taking swing arm cam link mechanism are driven by the transverse main shaft; the central swing arm cam link mechanism pushes the central swing arm tension shaft to rotate, the central swing arm is pushed to rotate, the bag taking swing arm is aligned to the bag taking position, the bag taking swing arm cam link mechanism pushes the bag taking swing arm tension shaft to rotate, the bag taking swing arm is pulled to drive the bag clamping mechanism to swing forwards, the bag clamping mechanism clamps a packaging bag, the bag taking swing arm tension shaft swings back, the packaging bag is taken to the vacuum chamber, the bag clamping mechanism loosens the packaging bag, the central swing arm tension shaft drives the central swing arm to swing back, and the vacuum chamber is prevented from being blocked from rotating along with the turntable frame.

Further, the bag clamping mechanism comprises a rotary cylinder, a mounting bearing group, a holding and pulling block, a swinging outer shaft, a swinging inner shaft, a static bag clamping plate, a movable bag clamping plate and a clamping and pulling rod; the swing outer shaft is installed on the bag taking swing arm through an installation bearing group, the outer end of the swing outer shaft is fixed with a rotary cylinder, a clamping pull block and a static bag clamping plate, the swing inner shaft is fixed with a movable bag clamping plate and connected with the rotary cylinder, and a clamping pull rod is connected with the clamping pull block and the bag taking swing arm.

Furthermore, the vacuum rotation combination comprises a central rotating frame mechanism, a gear transmission mechanism, a vacuum chamber, a clamping guide ring opening mechanism, an uncovering guide ring mechanism and an electric chamber; the central rotating frame mechanism comprises a main shaft seat, a swinging ring bearing set, a power gear, a rotating disc frame bearing set, a rotating disc frame, a central air path mounting disc, an air path disc, an air chamber disc, an electrified sliding ring, an air pipe, a shifting plate, an air chamber disc link rod and an air pipe joint; the main shaft seat is fixed on the frame, the swing ring bearing group supports the swing ring linkage bag receiving arm combination, the rotating disc frame bearing group supports the rotating disc frame and the power gear to rotate, an air pipe is arranged below the central air path mounting disc, an air path disc is arranged above the central air path mounting disc, 10 air pipe joints which correspond to 10 vacuum chambers respectively are arranged on the air chamber disc, two air chamber disc link rods are arranged on the air chamber disc and penetrate through the shifting plate, and the shifting plate is fixed on the rotating disc frame; the gear transmission mechanism drives the power gear and the rotary disc frame to rotate, so as to drive each vacuum chamber to move to each station, and simultaneously the shifting plate fluctuates the air chamber disc link rod to drive the air chamber disc to rotate; the air pipe, the central air path mounting disc, the air path disc and the air chamber disc form an air path, the air path disc is only provided with air holes in the vacuumizing corresponding direction, and the vacuum chamber facing to the vacuumizing corresponding direction is vacuumized; the top of the mechanism is provided with an electrified slip ring to prevent the wire from winding; the gear transmission mechanism transmits the power of the transverse main shaft to the power gear to enable the power gear to rotate; the vacuum chamber comprises a fixed chamber, a movable chamber swing arm, a vacuum chamber heat-sealing plate, a static clamping plate, a vacuum chamber heat-sealing bottom plate, a movable clamping plate mechanism, a negative pressure meter, a roller pressing rod, a cover opening pull rod, a vacuum chamber push cylinder and a vacuum chamber air pipe interface; the fixed cavity is sequentially connected with the movable cavity swing arm and the movable cavity, a heat sealing plate and a static clamping plate of the vacuum chamber are arranged in the fixed cavity, a movable clamping plate mechanism, a negative pressure meter, a roller pressing rod, a pushing cylinder of the vacuum chamber and an air pipe interface of the vacuum chamber are arranged outside the fixed cavity, and a heat sealing bottom plate of the vacuum chamber is arranged in the movable cavity; the bag receiving arm combination connects the packaging bag to the fixed cavity, the movable clamping plate mechanism clamps the packaging bag under the action of the opening clamping guide ring mechanism, the bag receiving arm combination is loosened and returned, the roller pressing rod is separated from the pressing of the opening guiding ring mechanism, the movable cavity covers the static cavity, the interior of the air chamber is vacuumized, the negative pressure gauge is used for measuring and displaying the internal vacuum degree, and after the vacuum chamber is completely closed, the vacuum chamber push cylinder pushes the electrified vacuum chamber heat sealing plate to press the sealing opening of the packaging bag on the vacuum chamber heat sealing bottom plate for heat sealing, and then the packaging bag; at a discharging station, a roller pressure rod is pressed by an uncovering guide ring mechanism, a movable cavity is opened, and a movable clamping plate mechanism loosens and opens the packaging bag to a vacuumizing discharging conveying belt under the action of an opening clamping guide ring mechanism; the clamp opening guide ring mechanism comprises a clamp opening cam connecting rod mechanism, a clamp opening rotating shaft, a movable clamp opening guide ring, a clamp opening rotating shaft sleeve, a static clamp opening guide ring and a clamp opening guide ring strut; the clamp opening cam link mechanism is driven by the transverse main shaft to drive the clamp opening rotating shaft to drive the movable clamp opening guide ring to rotate, the clamp opening roller is pushed to complete clamp opening action, and the static clamp opening guide ring keeps clamp opening action; the clamping opening rotating shaft sleeve is fixed on the rack and supports the clamping opening rotating shaft to rotate; the uncovering guide ring mechanism comprises an uncovering cam guide ring and an uncovering guide ring support; the uncapping cam guide ring presses the roller pressure rod through the cam edge to complete uncapping action.

Furthermore, the movable clamp plate mechanism comprises a clamp opening roller, a clamp opening swing arm, a right clamp opening rotating shaft, a left clamp opening rotating shaft and a right clamp opening rotating shaft link rod, a left clamp opening rotating shaft, a left movable clamp and a right movable clamp; the clamp opening guide ring mechanism pushes the clamp opening roller to push the clamp opening swing arm, and under the action of the left and right clamp opening rotating shaft link rods, the left clamp opening rotating shaft and the right clamp opening rotating shaft respectively drive the left movable clamp and the right movable clamp to rotate in opposite directions simultaneously to complete the clamp opening action of the packaging bag.

Further, the vacuumizing discharging conveyor belt comprises a second speed reducing motor, a second support profile, a second conveyor belt fixing plate, a second conveyor belt, a second driving head end cover group, a second driven head end cover group, a second discharging guide metal plate, a second motor mounting plate, a second driving rolling shaft, a second rolling shaft bearing, a second driven rolling shaft and a second belt base plate; the second conveying belt fixing plate fixes a pair of second support section bars on the rack to form a conveying belt support, a second speed reducing motor is mounted at the driving end of each second support section bar through a second motor mounting plate, a second driving head end cover group is mounted at the end part of each second support section bar, a second roller bearing is mounted in each driving head end cover and used for mounting a second driving roller, and the second driving rollers are connected with the second speed reducing motors to form driving; the driven end of the second bracket section bar is provided with a second driven head end cover group which is used for installing a second driven roller; a second belt base plate is arranged on the inner side of the second bracket profile and used for supporting a second conveying belt; the second driving roller, the second driven roller and the second belt cushion plate are tightly wrapped by the second conveying belt to form a conveying belt; the second ejection of compact direction panel beating is installed in second support section bar top, forms discharging channel.

Compared with the prior art, the invention has the beneficial effects that:

the automatic packaging bag grabbing and opening device can realize automatic grabbing of the packaging bag, automatic bag opening, automatic filling, automatic packaging and automatic discharging of the fried bean curd, and the fried bean curd is quick and efficient to fill, sanitary, safe, stable and reliable.

Drawings

FIG. 1 is a first schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a second schematic structural diagram of an embodiment of the present invention;

FIG. 3 is a schematic diagram of the structure of a drive assembly in one embodiment of the present invention;

FIG. 4 is a schematic structural view of a turntable mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a center turntable mechanism of the turntable mechanism in one embodiment of the present invention;

FIG. 6 is a schematic illustration of the configuration of a cam plate of the central turntable mechanism in one embodiment of the present invention;

FIG. 7 is a schematic diagram of the construction of the wheel drive assembly of the turntable mechanism in one embodiment of the present invention;

FIG. 8 is a schematic diagram of the cam plate height adjustment mechanism of the turntable mechanism in one embodiment of the present invention;

FIG. 9 is a schematic view of a swing arm clamp assembly of the turntable mechanism in accordance with one embodiment of the present invention;

FIG. 10 is a schematic view of the left clip of the swing arm clip assembly in accordance with one embodiment of the present invention;

FIG. 11 is a schematic view of the configuration of the lower suction bag assembly in one embodiment of the present invention;

FIG. 12 is a first schematic structural view of a bag removing assembly according to an embodiment of the present invention;

FIG. 13 is a second schematic structural view of a bag removing assembly according to an embodiment of the present invention;

FIG. 14 is a schematic view of a bag pick arm assembly of the bag pick assembly according to one embodiment of the present invention;

FIG. 15 is a schematic structural view of a first opening clip assembly in accordance with an embodiment of the present invention;

FIG. 16 is a first schematic structural view of an opening assembly according to an embodiment of the present invention;

FIG. 17 is a second schematic structural view of an open-pocket combination in an embodiment of the present invention;

FIG. 18 is a schematic view of the construction of a bag-opening linkage assembly in accordance with an embodiment of the present invention;

FIG. 19 is a schematic diagram of a bag opening mechanism of the bag opening linkage assembly in accordance with an embodiment of the present invention;

FIG. 20 is a schematic structural view of a second opening assembly in accordance with an embodiment of the present invention;

FIG. 21 is a schematic diagram of the structure of a feed and compression bag assembly in accordance with an embodiment of the present invention;

FIG. 22 is a schematic diagram of the construction of a bag inspection assembly in accordance with one embodiment of the present invention;

FIG. 23 is a schematic view of a bag guide sheet assembly according to an embodiment of the present invention;

FIG. 24 is a schematic view of a non-vacuum heat sealing mechanism in one embodiment of the present invention;

FIG. 25 is a first schematic illustration of a non-evacuated outfeed conveyor belt in one embodiment of the invention;

FIG. 26 is a second schematic structural view of a non-evacuated outfeed conveyor belt in one embodiment of the present invention;

FIG. 27 is a schematic view of a pocket-receiving arm assembly according to an embodiment of the present invention;

FIG. 28 is a schematic view of the bag gripping mechanism of the bag receiving arm assembly in accordance with one embodiment of the present invention;

FIG. 29 is a schematic view of the vacuum rotation assembly in one embodiment of the present invention;

FIG. 30 is a first schematic structural view of a vacuum rotation assembly center turret mechanism in accordance with an embodiment of the present invention;

FIG. 31 is a second schematic structural view of a vacuum rotation assembly center turret mechanism in accordance with an embodiment of the present invention;

FIG. 32 is a schematic view showing the structure of a vacuum chamber of a vacuum rotation assembly according to an embodiment of the present invention;

FIG. 33 is a schematic view of a vacuum chamber with a vacuum rotation assembly according to an embodiment of the present invention;

FIG. 34 is a schematic view of the movable clamping plate mechanism of the vacuum chamber in one embodiment of the present invention;

FIG. 35 is a schematic view of the split guide ring mechanism of the vacuum rotation assembly in accordance with one embodiment of the present invention;

fig. 36 is a schematic view of the construction of a lid release guide ring mechanism of the vacuum rotation assembly in accordance with an embodiment of the present invention;

FIG. 37 is a first schematic view of a first embodiment of a vacuum take-off conveyor belt of the present invention;

fig. 38 is a second schematic structural view of the evacuated discharge conveyor belt in an embodiment of the invention.

In the figure, a frame 1;

the device comprises a driving combination 2, a total driving speed reducing motor 21, a transverse main shaft 22, a longitudinal main shaft 23 and a bevel gear set 24;

the device comprises a turntable mechanism 3, a central turntable mechanism 31, a main shaft seat 31-1, a central turntable shaft 31-2, a central rotating shaft 31-3, a central rotating shaft gear 31-4, a tension sleeve 31-5, a turntable flange 31-6, a turntable 31-7, a first support bearing group 31-8, a second support bearing group 31-9, a cam disc 31-10, a turntable seat 31-11, a lifting encircling block 31-12, a central turntable shaft long key 31-13, a turntable driving component 32, a cam divider 32-1, a driving gear 32-2, an input gear 32-3, an output gear 32-4, a cam disc height adjusting mechanism 33, a hand wheel mechanism mounting frame 33-1, a cam disc lifting fixed bearing group 33-2, a hand wheel 33-3, a screw rod 33-4, a first support bearing group 31-3, a central rotating shaft gear 31-4, a central rotating, A linear rail slider combination 33-5, a screw rod nut seat 33-6, a nut seat connecting rod 33-7, a cam plate lifting swing arm connecting rod 33-8, a cam plate lifting swing arm 33-9, a cam plate lifting rod 33-10, a cam plate lifting swing frame 33-11, a turntable supporting pin 33-12, a swing fixing seat 33-13, a swing frame rotating shaft 33-14, a swing arm clamp combination 34, a first swing arm mounting seat 34-1, a second swing arm mounting seat 34-2, a left clamp rotating shaft 34-3, a right clamp rotating shaft 34-4, a first swing arm connecting rod 34-5, a cam plate roller 34-6, a swing arm 34-7, a second swing arm connecting rod 34-8, a clamp roller 34-9, a torsion spring swing arm 34-10, a left clamp 34-11, a clamp shell 34111, a cam plate roller 34-6, a swing arm cam plate 34-, Push end cap 34112, clamp spreading guide sleeve 34113, clamp inner pin 34114, clamp spring 34115, fixed shaft sleeve 34116, clamp connecting rod 34117, clamp 34118, stop pin 34119, clamp coupling shaft 34-12, right clamp swing arm 34-13 and right clamp 34-14;

the lower suction bag combination 4, a joint supporting plate 41, a suction bag lifting swing arm 42, a suction bag cam roller 43, a suction bag cam 44, a guide post fixing shaft seat 45, a suction bag sliding guide sleeve 46, a suction bag sliding guide post 47, a suction bag joint connecting plate 48, a suction bag connecting block 49, a suction bag bearing connecting rod 410, a suction bag lifting shaft 411, a suction bag shaft seat 412, a vacuum suction cup group 413 and a packaging bag material frame 414;

the bag taking device comprises a bag taking assembly 5, a fixed bearing seat group 51, a bag taking cam swing arm 52, a bag taking cam roller 53, a bag taking cam 54, a bag taking bearing connecting rod 55, a hollow upright column 56, a bag taking rotating shaft 57, a lower swing arm 58, a lower swing arm connecting rod 59, a bag taking arm assembly 510, a bag taking arm frame 510-1, an opening and clamping air cylinder 510-2, a bag taking joint bearing 510-3, an opening and clamping rotating shaft 510-4, an arm opening and clamping 510-5, a hanging column bearing connecting rod 511, an arm hanging column 512, a lower swing driving arm 513 and a rotating shaft mounting bearing seat 514;

the clamp opening device comprises a first clamp opening assembly 6, a first clamp opening cam 61, a first clamp opening cam roller 62, a first clamp opening fixing bearing seat group 63, a first clamp opening cam swing arm 64, a first clamp opening swing arm connecting rod 65, a first clamp opening shaft seat 66, a first clamp opening shaft seat inner shaft 67, a first clamp opening swing shaft 68, a first clamp opening push plate 69 and a first clamp opening baffle plate 610;

the bag opening assembly 7, a bag opening mounting frame 71, a bag opening cam 72, an air blowing pipe 73, a bag opening left suction cup 74, a bag opening right suction cup 75, a bag opening cam roller 76, a bag opening fixed bearing seat group 77, a bag opening cam swing arm 78, a bag opening swing arm connecting rod 79, a bag opening right swing arm 710, a bag opening right swing arm rotating shaft 711, a bag opening left swing arm connecting rod 712, a bag opening left swing arm rotating shaft 713 and a bag opening left swing arm 714;

bag supporting linkage combination 8, lifting fixed shaft bearing seat group 81, swinging fixed shaft bearing seat group 82, supporting frame 83, lifting cam 84, lifting cam roller 85, lifting cam swinging arm 86, lifting roller 87, central shaft 88, swinging cam 89, swinging cam swinging arm 810, swinging cam roller 811, swinging connecting rod 812, swinging lantern ring 813, central shaft long key 814, central shaft top end mounting frame 815, bag supporting mechanism 816, bag supporting cam ring 816-1, cam ring roller 816-2, cam ring swinging arm 816-3, cam ring swinging arm rotating shaft 816-4, bag supporting connecting rod 816-5, bag supporting pulling arm 816-6, bag supporting pulling arm rotating shaft 816-7, left bag supporting swinging arm rotating shaft 816-8, right bag supporting rotating shaft 816-9, left bag supporting swinging arm 816-10, right bag supporting swinging arm 816-11, left bag supporting poking piece 816-12, A right bag-supporting plectrum 816-13, a cam ring rotation-stopping rod set 816-14 and a swing arm tension spring 816-15;

the second unclamping assembly 9, a second unclamping cam 91, a second unclamping cam roller 92, a second unclamping fixed bearing seat group 93, a second unclamping cam swing arm 94, a second unclamping swing arm connecting rod 95, a second unclamping shaft seat 96, a second unclamping shaft seat inner shaft 97, a second unclamping swing shaft 98, a second unclamping push plate 99 and a second unclamping baffle plate 910;

the device comprises a feeding bag pressing combination 10, a blanking cam 101, a blanking cam roller 102, a blanking lifting shaft 103, a blanking link block 104, a blanking sliding guide sleeve 105, a blanking sliding guide pillar 106, a blanking guide pillar shaft seat 107, a blanking shaft seat 108, a blanking funnel 109, a blanking lifting plate 1010, a pressing block connecting plate 1011 and a pressing blowing block 1012;

the detection device comprises a bag detection assembly 11, a mounting bracket 111 to be detected, an arc-shaped guide seat 112, a proximity switch mounting sheet metal 113 and a proximity switch 114;

the bag guide sheet combination 12, the bag guide sheet upright column 121 and the bag guide sheet 122;

the vacuum-pumping-free heat sealing mechanism 13, the heat sealing mounting bracket 131, the linear bearing seat 132, the guide post 133, the pushing cylinder 134, the heat sealing pressing plate 135, the pressure spring upright post 136, the pressure spring 137, the heat sealing sheet pressing plate 138, the sealing film silicone pad 139, the heat sealing sheet 1310, the heat sealing sheet bottom plate 1311 and the guide plate 1312;

the device comprises a non-vacuumized discharging conveying belt 14, a first speed reducing motor 141, a first bracket profile 142, a first conveying belt fixing plate 143, a first conveying belt 144, a first driving head end cover group 145, a first driven head end cover group 146, a first discharging guide metal plate 147, a first motor mounting plate 148, a first driving roller 149, a first roller bearing 1410, a first driven roller 1411 and a first belt cushion plate 1412;

the bag receiving arm combination 15, a central swing arm cam link mechanism 151, a central swing arm tension shaft 152, a central swing arm 153, a bag taking swing arm cam link mechanism 154, a bag taking swing arm tension shaft 155, a bag taking swing arm 156, a bag clamping mechanism 157, a rotary cylinder 157-1, a mounting bearing group 157-2, a clasping pull block 157-3, a swing outer shaft 157-4, a swing inner shaft 157-5, a static bag clamping plate 157-6, a dynamic bag clamping plate 157-7 and a clamping pull rod 157-8;

the vacuum rotary combination 16, a central rotating frame mechanism 161, a main shaft seat 161-1, a swing ring 161-2, a swing ring bearing set 161-3, a power gear 161-4, a rotating frame bearing set 161-5, a rotating frame 161-6, a central air channel mounting plate 161-7, an air channel plate 161-8, an air chamber plate 161-9, an electrified slip ring 161-10, an air pipe 161-11, a shifting plate 161-12, an air chamber plate link rod 161-13, an air pipe joint 161-14, a gear transmission mechanism 162, a vacuum chamber 163, a fixed chamber 163-1, a movable chamber 163-2, a movable chamber swing arm 163-3, a heat sealing plate 163-4, a static clamping plate 163-5, a vacuum chamber heat sealing bottom plate 163-6, a movable clamping plate mechanism 163-7, a clamping roller 16371, a clamping swing arm 16372, a right clamping rotating shaft 16373, a vacuum chamber heat sealing bottom plate 163-, The vacuum cleaner comprises a left-right opening clamp rotating shaft link 16374, a left opening clamp rotating shaft 16375, a left moving clamp 16376, a right moving clamp 16377, a negative pressure gauge 163-8, a roller compression bar 163-9, an opening clamp pull rod 163-10, a vacuum chamber push cylinder 163-11, a vacuum chamber air pipe interface 163-12, an opening clamp guide ring mechanism 164, an opening clamp cam link mechanism 164-1, an opening clamp rotating shaft 164-2, a moving opening clamp guide ring 164-3, an opening clamp rotating shaft sleeve 164-4, a static opening clamp guide ring 164-5, an opening clamp guide ring support 164-6, an opening clamp guide ring mechanism 165, an opening clamp cam guide ring 165-1, an opening clamp guide ring support 165-2 and an electric chamber 166;

the vacuum-pumping discharging conveyor belt 17, a second speed reducing motor 171, a second bracket profile 172, a second conveyor belt fixing plate 173, a second conveyor belt 174, a second driving head end cover group 175, a second driven head end cover group 176, a second discharging guide metal plate 177, a second motor mounting plate 178, a second driving roller 179, a second roller bearing 1710, a second driven roller 1711 and a second belt cushion 1712.

Detailed Description

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

As shown in fig. 1 and fig. 2, an embodiment of the large-scale double-station fried bean curd filling machine of the invention comprises a frame 1, a driving assembly 2 installed inside the frame 1, a turntable mechanism 3, a lower suction bag assembly 4, a bag taking assembly 5, a first opening and clamping assembly 6, a bag opening assembly 7, a bag opening linkage assembly 8, a second opening and clamping assembly 9, a feeding and pressing bag assembly 10, a bag guiding sheet assembly 11, a bag detection assembly 12, a non-vacuumizing heat sealing mechanism 13, a non-vacuumizing discharge conveyor belt 14, a bag receiving arm assembly 15, a vacuum rotation assembly 16 and a vacuumizing discharge conveyor belt 17 all installed on the frame 1, part of the components of the turntable mechanism 3, the lower suction bag assembly 4, the bag taking assembly 5, the first opening and clamping assembly 6, the bag opening assembly 7, the bag opening linkage assembly 8, the second opening and clamping assembly 9, the feeding and pressing bag assembly 10, the bag receiving arm assembly 15 and the vacuum rotation assembly 16 all extend into the frame 1, is driven by the driving combination 2 to do periodic reciprocating motion. The lower suction bag combination 4 sucks the packaging bag, the bag taking combination 5 takes the packaging bag to a machine clamp of the turntable mechanism 3, the first opening clamp assembly 6 starts the machine clamp to clamp the packaging bag, the packaging bag is transported by the turntable mechanism 3, the bag opening combination 7 and the bag opening linkage combination 8 are opened in a coordinated mode and support the packaging bag, the feeding and bag pressing combination 10 fills the fried bean curd into the packaging bag, the fried bean curd is blown and pressed in the packaging bag, the bag guiding combination 11 limits the packaging bag, in a non-vacuumizing mode, when the packaging bag is detected by the bag detection combination 12, the non-vacuumizing heat sealing mechanism 13 is started to heat seal the packaging bag, and the turntable mechanism 3 loosens the packaging bag to discharge above the non-vacuumizing discharge conveyer belt 14; in the vacuumizing mode, the bag receiving arm assembly 15 sends the packaging bags which are not subjected to heat sealing to the vacuum movable assembly 16 for transportation, vacuumizing and heat sealing, and the rotary table mechanism 3 releases the packaging bags for discharging above the vacuumizing discharge conveying belt 17.

As shown in fig. 3, the drive assembly 2 mainly includes: a general drive speed reducing motor 21, a transverse main shaft 22, a longitudinal main shaft 23 and a bevel gear set 24. The transverse main shaft 22 is connected with a general driving speed reducing motor 21 and transmits power to the longitudinal main shaft 23 through a bevel gear set 24.

As shown in fig. 4, the turntable mechanism 3 includes a central turntable mechanism 31, a turntable drive assembly 32, a cam plate height adjustment mechanism 33, and a swing arm clamp assembly 34.

As shown in fig. 5 and 6, the center turntable mechanism 31 mainly includes: the device comprises a main shaft seat 31-1, a central turntable shaft 31-2, a central rotating shaft 31-3, a central rotating shaft gear 31-4, a tensioning sleeve 31-5, a turntable flange 31-6, a turntable 31-7, a first supporting bearing set 31-8, a second supporting bearing set 31-9, a cam disc 31-10, a turntable seat 31-11, a lifting encircling block 31-12 and a central turntable shaft long key 31-13. The main shaft seat 31-1 is arranged on the frame 1, and the central turntable shaft 31-2 is arranged on the main shaft seat 31-1 through a first support bearing group 31-8 and can rotate relative to the main shaft seat 31-1; the central rotating shaft 31-3 is mounted on the central turntable shaft 31-2 through a second supporting bearing set 31-9 and can rotate relative to the central turntable shaft 31-2. The bottom end of the central rotating shaft 31-3 is provided with a central rotating shaft gear 31-4 through a tensioning sleeve 31-5, and the top end is provided with a rotating disc 31-7 through a rotating disc flange 31-6. The cam disc 31-10 is arranged on a disc seat 31-11, and the disc seat 31-11 is sleeved on the central turntable shaft 31-2 and the central turntable shaft long key 31-13 and can transmit torque to rotate together. The lifting encircling block 31-12 is arranged in a hole groove of the wheel disc seat 31-11 and is connected with the cam disc height adjusting mechanism 33 for height positioning.

When the packaging bag feeding mechanism works, the central rotating shaft gear 31-4, the central rotating shaft 31-3 and the rotary table 31-7 rotate intermittently under the action of the rotary table driving assembly 32 to drive the swing arm machine clamp assembly 34 to carry packaging bags to move to each station. The cam divider 32-1 converts the rotary motion into six equal intermittent motion, and the intermittent time can be adjusted according to actual needs so as to coordinate and unify all stations. The cam disc 31-10, the wheel disc seat 31-11 and the central rotating disc shaft 31-2 swing back and forth under the action of the acting force between the cam disc 31-10 and the swing arm clamp assembly 34 so as to adjust the opening size of the packaging bag in the processes of bag opening, bag opening and packaging.

As shown in fig. 7, the disc drive assembly 32 basically includes: cam divider 32-1, drive gear 32-2, input gear 32-3, output gear 32-4. The cam divider 32-1 is fixed on the frame 1 and converts the rotary motion into six equal intermittent motions, the input gear 32-3 is installed at the motion input end of the cam divider 32-1, and the output gear 32-4 is installed at the motion output end of the cam divider 32-1 and meshed with the central rotating shaft gear 31-4. The drive gear 32-2 is mounted on the longitudinal shaft 23 and is meshed with the input gear 32-3 for rotation with the longitudinal shaft 23.

As shown in fig. 8, the cam plate height adjusting mechanism 33 mainly includes: the device comprises a hand wheel mechanism mounting frame 33-1, a cam disc lifting fixed bearing group 33-2, a hand wheel 33-3, a screw rod 33-4, a linear rail slider group 33-5, a screw rod nut seat 33-6, a nut seat connecting rod 33-7, a cam disc lifting swing arm connecting rod 33-8, a cam disc lifting swing arm 33-9, a cam disc lifting rod 33-10, a cam disc lifting swing frame 33-11, a turntable supporting pin 33-12, a swing fixing seat 33-13 and a swing frame rotating shaft 33-14. The hand wheel mechanism mounting rack 33-1 and the cam plate lifting fixed bearing seat group 33-2 are fixed on the frame 1, the linear rail sliding block combination 33-5 and the screw rod 33-4 are installed on the hand wheel mechanism mounting rack 33-1, and the swinging fixed seat 33-13 is fixed on the spindle seat 31-1. The lead screw 33-4 is provided with a lead screw nut seat 33-6 which is connected with the linear rail sliding block combination 33-5 to play a role in guiding, and the outermost side of the lead screw 33-4 is provided with a hand wheel 33-3 for manual adjustment. The screw rod and nut seat 33-6 is connected with a nut seat connecting rod 33-7, a cam plate lifting swing arm connecting rod 33-8, a cam plate lifting swing arm 33-9, a cam plate lifting rod 33-10 and a cam plate lifting swing frame 33-11 in sequence to transmit torque. The cam plate lifting swing frame 33-11 is arranged on the swing fixed seat 33-13 through a swing frame rotating shaft 33-14 and can rotate around the swing frame rotating shaft 33-14, and a turntable supporting pin 33-12 arranged in the middle is inserted into the lifting encircling block 31-12. The hand wheel 33-3 is shaken, the lead screw nut seat 33-6 moves on the lead screw 33-4, the nut seat connecting rod 33-7 is pushed, the cam disc lifting swing arm connecting rod 33-8 and the cam disc lifting swing arm 33-9 are further pushed, the cam disc lifting rod 33-10 and the cam disc lifting swing frame 33-11 are driven, the cam disc lifting swing frame 33-11 rotates around the swing frame rotating shaft 33-14, the turntable supporting pin 33-12 drives the wheel disc seat 31-11 and the cam disc 31-10 to lift, and the clamp initial angle of the swing arm clamp assembly 34 is adjusted.

As shown in fig. 9, the swing arm clamp assembly 34 has 6 groups, each group mainly including: the mechanical clamp comprises a first swing arm mounting seat 34-1, a second swing arm mounting seat 34-2, a left mechanical clamp rotating shaft 34-3, a right mechanical clamp rotating shaft 34-4, a first swing arm connecting rod 34-5, a cam disc roller 34-6, a cam disc swing arm 34-7, a second swing arm connecting rod 34-8, a mechanical clamp roller 34-9, a torsion spring swing arm 34-10, a left mechanical clamp 34-11, a mechanical clamp coupling shaft 34-12, a right mechanical clamp swing arm 34-13 and a right mechanical clamp 34-14. The first swing arm mounting seat 34-1, the second swing arm mounting seat 34-2, the left machine clamp rotating shaft 34-3 and the right machine clamp rotating shaft 34-4 are fixed on the turntable 31-7. The first swing arm connecting rod 34-5 and the second swing arm connecting rod 34-8 are respectively connected to the first swing arm mounting seat 34-1 and the second swing arm mounting seat 34-2, and the middle parts of the first swing arm connecting rod and the second swing arm connecting rod are connected through a cam plate swing arm 34-7. One end of the cam plate swing arm 34-7 is provided with a cam plate roller 34-6 which is in contact with the cam plate 31-10. One end of the second swing arm connecting rod 34-8 is provided with a clamp roller 34-9 which is contacted with a torsion spring swing arm 34-10 arranged on the left clamp rotating shaft 34-3. The torsional spring swing arm 34-10 is connected with the right clamp swing arm 34-13 through a clamp coupling 34-12, and the left clamp 34-11 and the right clamp 34-14 are respectively arranged on the torsional spring swing arm 34-10 and the right clamp swing arm 34-13.

When the packaging bag packaging machine works, the swing arm and clamp combination 34 is intermittently conveyed to other module stations under the driving of the rotary table 31-7, the cam disc roller 34-6 drives the cam disc swing arm 34-7 to change up and down in contact with the cam disc 31-10 in height change, the clamp roller 34-9 pushes the torsion spring swing arm 34-10 to enable the torsion spring swing arm 34-10 and the right clamp swing arm 34-13 to rotate around the left clamp rotating shaft 34-3 and the right clamp rotating shaft 34-4 in opposite directions respectively, and the angle between the left clamp and the right clamp is changed to meet the requirements of the opening size and the packaging posture of a packaging bag at each station.

As shown in fig. 10, the left clamp 34-11 mainly includes: clip housing 34111, push end cap 34112, clip spreading guide 34113, clip inner pin 34114, clip spring 34115, fixed shaft sleeve 34116, clip block link 34117, clip block 34118, and stop pin 34119. Push end cap 34112, inner pin 34114 of the clamp, spring 34115 of the clamp, fixed shaft sleeve 34116, clamp link 34117 are installed inside the clamp housing 34111, the clamp spreading guide 34113 is fixedly connected with push end cap 34112 and inner pin 34114 of the clamp in turn, spring 34115 of the clamp is sleeved outside inner pin 34114 of the clamp and is pressed between push end cap 34112 and fixed shaft sleeve 34116, inner pin 34114 of the clamp is connected with clamp block 34118 through link 34117 of the clamp, and clamp block 34118 is connected with the outside of clamp housing 34111 through pin. Under the action of the clamp spring 34115, the left clamp 34-11 is in a normally clamped state, the first and second clamp-opening assemblies 6 and 9 push the clamp-opening guide sleeve 34113 to push the clamp-opening guide sleeve 34113, and push the clamp block 34118 to clamp and release the packaging bag through the push end cap 34112, the clamp inner pin 34114 and the clamp block connecting rod 34117. The structure and the principle of the right machine clamp 34-14 are the same as those of the left machine clamp 34-11.

As shown in fig. 11, the lower suction bag assembly 4 mainly includes: the bag sucking device comprises a joint supporting plate 41, a bag sucking lifting swing arm 42, a bag sucking cam roller 43, a bag sucking cam 44, a guide post fixing shaft seat 45, a bag sucking sliding guide sleeve 46, a bag sucking sliding guide post 47, a bag sucking joint connecting plate 48, a bag sucking connecting block 49, a bag sucking bearing connecting rod 410, a bag sucking lifting shaft 411, a bag sucking shaft seat 412, a vacuum sucking disc group 413 and a packaging bag material frame 414. The packaging bag material rack 414 and the bag suction shaft seat 412 are arranged above the desktop of the machine frame 1, the guide post fixing shaft seat 45 and the joint supporting plate 41 are arranged below the desktop of the machine frame, the bag suction cam 44 is arranged on the longitudinal main shaft 23, one end of the bag suction lifting swing arm 42 is arranged at the center of the fixed swing arm on the joint supporting plate 41 and is sequentially connected with the bag suction bearing connecting rod 410, the bag suction joint connecting plate 48, the bag suction connecting block 49, the bag suction lifting shaft 411 and the vacuum sucker group 413, and the bag suction cam roller 43 is arranged on the bag suction lifting swing arm 42 and keeps contact with the bag suction cam 44. One side of the bag suction coupling block 49 is provided with a bag suction sliding guide sleeve 46 which is sleeved on a bag suction sliding guide column 47 arranged on a guide column fixing shaft seat 45, and a bag suction shaft seat 412 is sleeved on a bag suction lifting shaft 411, and the bag suction sliding guide sleeve and the bag suction lifting shaft play a role in guiding.

When the bag sucking device works, the bag sucking cam 44 rotates along with the longitudinal main shaft 23 to push the bag sucking cam roller 43 and the bag sucking lifting swing arm 42 to swing up and down, and the bag sucking lifting shaft 411 and the vacuum sucker group 413 are driven to lift through the bag sucking bearing connecting rod 410 to suck the packaging bags on the packaging bag material frame 414.

As shown in fig. 12 and 13, the bag taking assembly 5 mainly includes: the bag taking mechanism comprises a fixed bearing seat group 51, a bag taking cam swing arm 52, a bag taking cam roller 53, a bag taking cam 54, a bag taking bearing connecting rod 55, a hollow upright post 56, a bag taking rotating shaft 57, a lower swing arm 58, a lower swing arm connecting rod 59, a bag taking arm combination 510, a hanging post bearing connecting rod 511, an arm hanging post 512, a lower swing driving arm 513 and a rotating shaft mounting bearing seat 514. The fixed bearing seat group 51 and the hollow upright post 56 are fixed on the frame 1, the bag taking cam 54 is arranged on the longitudinal main shaft 23, and the bag taking cam roller 53 is arranged on the bag taking cam swing arm 52 and keeps contact with the bag taking cam 54. One end of the bag taking cam swing arm 52 is mounted at the center of the fixed swing arm on the fixed bearing seat group 51, and the other end is sequentially connected with the bag taking bearing connecting rod 55, the lower swing driving arm 513, the bag taking rotating shaft 57, the lower swing arm 58, the lower swing arm connecting rod 59 and the bag taking arm combination 510. The bag-taking rotating shaft 57 is fixed at the rotating shaft center through a pair of rotating shaft mounting bearing seats 514 arranged on the hollow upright post 56, and is fixedly connected with the lower swing driving arm 513 and the lower swing arm 58. The arm hanging column 512 is fixed on the hollow upright column 56 and is connected with the bag-taking arm combination 510 through a hanging column bearing connecting rod 511.

During operation, the bag taking cam 54 rotates along with the longitudinal spindle 23, the bag taking cam roller 53 and the bag taking cam swing arm 52 are pushed to swing upwards in the lift range, the lower swing driving arm 513 and the bag taking rotating shaft 57 are pushed to rotate through the bag taking bearing connecting rod 55, and the lower swing arm 58 and the lower swing arm connecting rod 59 are further driven to rotate, so that the bag taking arm combination 510 swings downwards around the arm hanging column 512, the bag taking arm combination 510 is opened and closed, a packaging bag sucked by the lower suction bag combination 4 is clamped, and then the bag taking arm combination 510 swings back in the return stroke of the bag taking cam 54 to be grabbed by the turntable mechanism 3.

As shown in fig. 14, the bag-taking arm assembly 510 mainly includes: a bag taking arm frame 510-1, a bag opening cylinder 510-2, a bag taking joint bearing 510-3, an opening and closing clamp rotating shaft 510-4 and an arm opening and closing clamp 510-5.

When the bag taking device works, the bag opening cylinder 510-2 extends, the bag taking joint bearing 510-3 pushes the arm opening and closing clamp 510-5 to rotate around the opening and closing clamp rotating shaft 510-4, and the bag taking arm assembly 510 is opened. The clamp opening cylinder 510-2 is contracted, the arm clamp 510-5 is pulled back, and the bag taking arm combination 510 is clamped.

As shown in fig. 15, the first unclamping assembly 6 mainly includes: the clamp opening device comprises a first clamp opening cam 61, a first clamp opening cam roller 62, a first clamp opening fixing bearing seat group 63, a first clamp opening cam swing arm 64, a first clamp opening swing arm connecting rod 65, a first clamp opening shaft seat 66, a first clamp opening shaft seat inner shaft 67, a first clamp opening swing shaft 68, a first clamp opening push plate 69 and a first clamp opening baffle plate 610. The first clamp opening fixing bearing seat group 63 and the first clamp opening bearing seat 66 are installed on the machine frame 1. The first unclamping cam 61 is installed on the longitudinal main shaft 23, the first unclamping cam swing arm 64 is installed on the first unclamping fixed bearing seat group 63 to fix the swing arm center, one end of the first unclamping cam swing arm is provided with a first unclamping cam roller 62 which keeps contact with the first unclamping cam 61, and the other end of the first unclamping cam swing arm is sequentially connected with the first unclamping swing arm connecting rod 65 and the first unclamping swing shaft 68. The first open-clamping swing shaft 68 penetrates through the first open-clamping shaft base 66, is connected to the first open-clamping shaft base inner shaft 67, can rotate and swing in the range inside the first open-clamping shaft base 66 around the axis of the first open-clamping shaft base inner shaft 67, and is provided with a first open-clamping push plate 69 and a first open-clamping baffle 610 at the top of the first open-clamping swing shaft 68.

During operation, the first unclamping cam 61 rotates around the longitudinal main shaft 23, one side of the first unclamping cam roller 62 and the first unclamping cam swing arm 64 is pulled to swing downwards in the descending process, the other side of the first unclamping cam swing arm 64 swings upwards by the lever principle to push the first unclamping swing arm connecting rod 65 and further push the first unclamping swing shaft 68 to rotate around the first unclamping shaft base inner shaft 67, so that the first unclamping push plate 69 and the first unclamping baffle 610 move forwards, the first unclamping push plate 69 pushes the left clamp 34-11 to open the guide sleeve 34113, the left clamp and the right clamp are opened, the packaging bag taken by the bag clamping assembly 5 is taken, and the first unclamping baffle 610 plays a role in positioning the packaging bag.

As shown in fig. 16 and 17, the bag opening assembly 7 mainly includes: the bag opening device comprises a bag opening mounting frame 71, a bag opening cam 72, an air blowing pipe 73, a bag opening left suction cup 74, a bag opening right suction cup 75, a bag opening cam roller 76, a bag opening fixed bearing seat group 77, a bag opening cam swing arm 78, a bag opening swing arm connecting rod 79, a bag opening right swing arm 710, a bag opening right swing arm rotating shaft 711, a bag opening left swing arm connecting rod 712, a bag opening left swing arm rotating shaft 713 and a bag opening left swing arm 714. The bag opening mounting frame 71 is fixed on the frame 1, the top of the bag opening mounting frame is provided with an air blowing pipe 73, and the bag opening fixing bearing seat group 77, the bag opening right swing arm rotating shaft 711 and the bag opening left swing arm rotating shaft 713 are all arranged on the bag opening mounting frame 71. The bag opening cam 72 is arranged on the longitudinal main shaft 23, the bag opening cam swing arm 78 is arranged on the bag opening fixed bearing seat group 77 to fix the center of the swing arm, one end of the bag opening cam swing arm is provided with a bag opening cam roller 76 which keeps contact with the bag opening cam 72, and the other end of the bag opening cam swing arm is sequentially connected with a bag opening swing arm connecting rod 79, a bag opening right swing arm 710, a bag opening left swing arm connecting rod 712 and a bag opening left swing arm 714. The bag opening right swing arm 710 and the bag opening left swing arm 714 are respectively arranged on the bag opening right swing arm rotating shaft 711 and the bag opening left swing arm rotating shaft 713, and the swing arm rotating shafts are fixed, and the tail ends of the bag opening right swing arm and the bag opening left swing arm are respectively provided with the bag opening left suction cup 74 and the bag opening right suction cup 75.

When the bag opening cam 72 works, the bag opening cam roller 76 and one side of the bag opening cam swing arm 78 are pushed to swing upwards in the lift range along with the rotation of the longitudinal spindle 23, the other side of the bag opening cam swing arm 78 descends through the lever principle, the bag opening swing arm connecting rod 79 is pulled, the bag opening right swing arm 710 is further pulled to rotate around the bag opening right swing arm rotating shaft 711, meanwhile, the bag opening right swing arm 710 pushes the bag opening left swing arm 714 to rotate around the bag opening left swing arm rotating shaft 713 through the bag opening left and right swing arm connecting rods 712, the bag opening left suction cup 74 and the bag opening right suction cup 75 clamp and suck air to the middle packaging bag, then in the return stroke of the bag opening cam 72, the bag opening left suction cup 74 and the bag opening right suction cup 75 are separated towards two sides, the packaging bag is opened, the air blowing pipe 73 blows air to open the interior of.

As shown in fig. 18, the bag-supporting linkage assembly 8 mainly includes: the lifting fixed bearing seat group 81, the swinging fixed bearing seat group 82, the supporting frame 83, the lifting cam 84, the lifting cam roller 85, the lifting cam swing arm 86, the lifting roller 87, the central shaft 88, the swinging cam 89, the swinging cam swing arm 810, the swinging cam roller 811, the swinging connecting rod 812, the swinging lantern ring 813, the central shaft long key 814, the central shaft top end mounting frame 815 and the bag opening mechanism 816. The lifting fixed bearing seat group 81, the swinging fixed bearing seat group 82 and the supporting frame 83 are fixed on the machine frame 1, and the lifting cam 84 and the swinging cam 89 are installed on the longitudinal main shaft 23 and rotate along with the longitudinal main shaft 23. The lifting cam swing arm 86 is mounted on the lifting fixed bearing block group 81 to fix the swing shaft, and one end of the lifting cam swing arm is provided with a lifting cam roller 85 which is kept in contact with the lifting cam 84, and the other end is provided with a lifting roller 87 which is pressed against a central shaft 88. One end of the swing cam swing arm 810 is installed on the swing fixed bearing seat group 82 to fix a swing shaft, the other end of the swing cam swing arm is connected with a swing connecting rod 812, a swing cam roller 811 is installed on the swing cam swing arm 810 to be kept in contact with the swing cam 89, the swing connecting rod 812 is connected with a swing lantern ring 813, and the swing lantern ring 813 is sleeved on the central shaft 88 and the central shaft long key 814. The top end of the central shaft 88 is provided with a central shaft top end mounting rack 815 and a bag opening mechanism 816.

As shown in fig. 19, the bag opening mechanism 816 mainly includes: a bag supporting cam ring 816-1, a cam ring roller 816-2, a cam ring swing arm 816-3, a cam ring swing arm rotating shaft 816-4, a bag supporting connecting rod 816-5, a bag supporting pull arm 816-6, a bag supporting pull arm rotating shaft 816-7, a left bag supporting swing arm rotating shaft 816-8, a right bag supporting swing arm rotating shaft 816-9, a left bag supporting swing arm 816-10, a right bag supporting swing arm 816-11, a left bag supporting pull sheet 816-12, a right bag supporting pull sheet 816-13, a cam ring rotation stopping rod group 816-14 and a swing arm tension spring 816-15. A cam ring swing arm rotating shaft 816-4, a bag opening pull arm rotating shaft 816-7, a left bag opening swing arm rotating shaft 816-8 and a right bag opening swing arm rotating shaft 816-9 are arranged on a central shaft top end mounting rack 815. The swing arm tension spring 816-15 is connected with the left bag opening swing arm 816-10 and the right bag opening swing arm 816-11.

During operation, in the lift range of the lifting cam 84, one end of the lifting cam swing arm 86, which is provided with the lifting cam roller 85, is lifted, one end of the lifting roller 87, which is provided with the center shaft 88, is lifted, the center shaft 88 is driven by gravity to lift other components thereon, then the lifting cam 89 is stepped into the lift range, the swing cam swing arm 810 pushes the swing connecting rod 812 to push the swing sleeve ring 813, the center shaft 88 drives the bag supporting cam ring 816-1 to rotate, the bag supporting cam ring 816-2 pushes the cam ring roller 816-2, the cam ring swing arm 816-3 rotates around the cam ring swing arm rotating shaft 816-4, the bag supporting connecting rod 816-5 is pushed, the bag supporting pull arm 816-6 is further pushed to lower the pushing point, the left bag supporting swing arm 816-10 and the right bag supporting swing arm 816-11 are pulled by the cam ring tension spring 816-15, the left bag supporting swing arm 816-10 rotates, the right bag opening swing arm 816-11 rotates anticlockwise around the right bag opening swing arm rotating shaft 816-9, the left bag opening stirring sheet 816-12 and the right bag opening stirring sheet 816-13 are separated towards two sides, and the packaging bag is supported by matching with the bag opening combination 7.

As shown in fig. 20, the second unclamping assembly 9 mainly includes: the second unclamping cam 91, the second unclamping cam roller 92, the second unclamping fixed bearing seat group 93, the second unclamping cam swing arm 94, the second unclamping swing arm connecting rod 95, the second unclamping shaft seat 96, the second unclamping shaft seat inner shaft 97, the second unclamping swing shaft 98, the second unclamping push plate 99 and the second unclamping baffle 910. The second unclamping cam 91 is mounted on the transverse main shaft 22 and rotates along with the transverse main shaft 22, and the working principle of the second unclamping cam is the same as that of the first unclamping assembly 6, so that the second unclamping cam is used for releasing the packaging bag.

As shown in fig. 21, the feeding and pressing bag assembly 10 mainly includes: the blanking device comprises a blanking cam 101, a blanking cam roller 102, a blanking lifting shaft 103, a blanking link block 104, a blanking sliding guide sleeve 105, a blanking sliding guide pillar 106, a blanking guide pillar shaft seat 107, a blanking shaft seat 108, a blanking funnel 109, a blanking lifting plate 1010, a pressing block link plate 1011 and a pressing and blowing block 1012. The blanking guide post shaft seat 107 and the blanking shaft seat 108 are arranged on the frame 1. The blanking cam 101 is mounted on the longitudinal main shaft 23, rotates with the longitudinal main shaft 23, and is held in contact with a blanking cam roller 102 mounted on a blanking lifting shaft 103. A blanking lifting plate 1010 is arranged above the blanking lifting shaft 103, and a blanking funnel 109 and a material pressing and air blowing block 1012 are arranged on the blanking lifting plate. One side of the blanking coupling block 104 is provided with a blanking sliding guide sleeve 105 which is sleeved on a blanking sliding guide post 106 arranged on a blanking guide post shaft seat 107, and a blanking shaft seat 108 is sleeved on the blanking lifting shaft 103, and the blanking lifting shaft and the blanking sliding guide sleeve play a role in guiding.

During operation, in the descending process of the discharging cam 101, the discharging lifting shaft 103 drives the discharging funnel 109 and the pressing and blowing block 1012 to descend and slightly go deep into the packaging bag, the discharging funnel 109 fills the fried bean curd into the packaging bag of the filling station of the turntable mechanism 3, and the pressing and blowing block 1012 blows and presses the fried bean curd filled in the pressing station, so that the materials fully enter the packaging bag. After filling, in the lift of the blanking cam 101, the blanking hopper 109 and the material-pressing air-blowing block 1012 are lifted and retracted.

As shown in fig. 22, the bag inspection assembly 11 mainly includes: the detection device comprises a mounting bracket 111 to be detected, an arc-shaped guide seat 112, a proximity switch mounting metal plate 113 and a proximity switch 114. The arc guide base 112 plays a role of guiding the packing bag. When the proximity switch 114 detects that there is material at the station, the non-vacuuming heat sealing mechanism 13 is activated. In the vacuum packing mode, the module is not activated.

As shown in fig. 23, the bag guide sheet assembly 12 includes: a bag guide sheet upright post 121 and a bag guide sheet 122. The guiding function of the packaging bag is realized. The bag guide sheet combination 12 is used for guiding the packaging bags at several stations of bag opening, filling and blowing, preventing the packaging bags from shaking and keeping the postures beneficial to the work of equipment at each station.

As shown in fig. 24, the non-vacuum heat sealing mechanism 13 includes a heat sealing mounting bracket 131, a linear bearing seat 132, a guide post 133, a pressing cylinder 134, a heat sealing pressing plate 135, a pressure spring post 136, a pressure spring 137, a heat sealing sheet pressing plate 138, a sealing silicone pad 139, a heat sealing sheet 1310, a heat sealing sheet bottom plate 1311, and a guide plate 1312. The linear bearing holder 132, the pressing cylinder 135, and the heat seal sheet bottom plate 1311 are fixed to the heat seal mounting bracket 131. The front end of the pushing cylinder 135 is provided with a heat-sealing pressure plate 135, the heat-sealing pressure plate 135 is fixed with a guide post 133 and is sleeved with a pressure spring upright post 136, the guide post 133 is arranged in a linear bearing seat 132, the pressure spring upright post 136 is sleeved with a pressure spring 137, and the front end is provided with a heat-sealing sheet pressure plate 138. The front of the heat sealing sheet pressing plate 138 is pasted with a sealing film silica gel pad 139, the inner side of the heat sealing sheet bottom plate 1311 is provided with a heat sealing sheet, and the end part is provided with a guide metal plate 1312.

During operation, the pushing cylinder 134 stretches to push the heat-sealing pressing plate 135, the heat-sealing sheet pressing plate 138 is further pushed under the action of the pressure spring 137, the packaging bag opening is pressed on the heat-sealing sheet 1310, and the heat-sealing sheet 1310 is electrified and heated to seal the packaging bag. The pushing cylinder 134 retracts to release the packaging bag, and the turntable mechanism 3 transports the packaging bag to the next station. The pressure spring 137 has the functions of buffering and absorbing vibration, and the film sealing silica gel pad 139 prevents the packaging bag from being damaged. The module is not started under vacuum package.

As shown in fig. 25 and 26, the non-vacuumized discharging conveyor 14 includes a first speed-reducing motor 141, a first bracket profile 142, a first conveyor fixing plate 143, a first conveyor belt 144, a first driving head end cover group 145, a first driven head end cover group 146, a first discharging guide metal plate 147, a first motor mounting plate 148, a first driving roller 149, a first roller bearing 1410, a first driven roller 1411, and a first belt pad 1412. The first belt fixing plate 143 fixes the pair of first frame profiles 142 on the frame 1 to form a belt frame, the first motor mounting plate 148 is used to mount the first speed reducing motor 141 at the driving end of the first frame profile 142, the first driving head end cover group 145 is mounted at the end of the first frame profile, the first roller bearing 1410 is mounted in the driving head end cover and used to mount the first driving roller 149, and the first driving roller 149 is connected with the first speed reducing motor 141 to form a drive. The driven end of the first cradle section bar 142 carries a first driven head end cap set 146 for mounting a first driven roller 1411. The first support profile 142 is fitted inside with a first belt support plate 1412 for supporting the first conveyor belt 144. The first conveyor belt 144 wraps around the first drive roller 149, the first driven roller 1411, and the first belt pad 1412 to form a conveyor belt. The first discharging guide metal plate 147 is installed above the first bracket section 142 to form a discharging channel.

During operation, the first reduction motor 141 drives the first driving roller 149 to rotate, and the friction force generated by the belt tension drives the first conveying belt 144 to move along the first driving roller 149, the first belt cushion 1412 and the first driven roller 1411, so that the packaged fried bean curd is discharged along the transmission direction of the first discharging guide metal plate 147 and the first conveying belt 144.

As shown in fig. 27, the bag receiving arm assembly 15 includes a center swing arm cam-link mechanism 151, a center swing arm tension shaft 152, a center swing arm 153, a bag taking swing arm cam-link mechanism 154, a bag taking swing arm tension shaft 155, a bag taking swing arm 156, and a bag clamping mechanism 157. The central swing arm 153 is fixedly connected with a swing ring 161-2, and the central swing arm cam link mechanism 151 and the bag taking swing arm cam link mechanism 154 are driven by the transverse main shaft 22. The central swing arm cam link mechanism 151 pushes the central swing arm tension shaft 152 to rotate, the central swing arm 153 is pushed to rotate, the bag taking swing arm 156 is aligned to the bag taking position, the bag taking swing arm cam link mechanism 154 pushes the bag taking swing arm tension shaft 155 to rotate, the bag taking swing arm 156 is pulled to drive the bag clamping mechanism 157 to swing forwards, the bag clamping mechanism 157 clamps a packaging bag, the bag taking swing arm tension shaft 155 swings back, the packaging bag is taken to the vacuum chamber 163, the bag clamping mechanism 157 loosens the packaging bag, the central swing arm tension shaft 152 drives the central swing arm 153 to swing back, and the vacuum chamber 163 is prevented from being blocked from rotating along with the rotary plate frame 161-6.

As shown in FIG. 28, the bag clamping mechanism 157 comprises a rotary cylinder 157-1, a mounting bearing group 157-2, a tightening pull block 157-3, a swing outer shaft 157-4, a swing inner shaft 157-5, a static bag clamping plate 157-6, a movable bag clamping plate 157-7 and a clamping pull rod 157-8. The swing outer shaft 157-4 is arranged on the bag taking swing arm 156 through a mounting bearing group 157-2, the outer end is fixed with a rotary cylinder 157-1, a holding pull block 157-3 and a static bag clamping plate 157-6, the swing inner shaft 157-5 is fixed with a movable bag clamping plate 157-7 and is connected with the rotary cylinder 157-1, and a holding pull rod 157-8 is connected with the holding pull block 157-3 and the bag taking swing arm 156.

When the bag clamping device works, the rotating motor 157-1 drives the swinging inner shaft 157-5 to rotate, the movable bag clamping plate 157-7 is driven to open and close relative to the static bag clamping plate 157-6, and the clamping pull rod 157-8 is entrained to pull the swinging outer shaft 157-4, so that the bag clamping direction is kept downward.

As shown in fig. 29, the vacuum rotation assembly 16 includes a central rotating frame mechanism 161, a gear transmission mechanism 162, a vacuum chamber 163, a clamp opening guide ring mechanism 164, a cover opening guide ring mechanism 165, and an electrical chamber 166.

As shown in fig. 30 and 31, the central rotating frame mechanism 161 includes a spindle seat 161-1, a swinging ring 161-2, a swinging ring bearing set 161-3, a power gear 161-4, a rotating frame bearing set 161-5, a rotating frame 161-6, a central air passage mounting plate 161-7, an air passage plate 161-8, an air chamber plate 161-9, an electrified slip ring 161-10, an air pipe 161-11, a dial plate 161-12, an air chamber plate link rod 161-13, and an air pipe joint 161-14. A spindle seat 161-1 is fixed on a frame 1, a swinging ring bearing set 161-3 supports a swinging ring 161-2 linkage bag receiving arm assembly 15, a rotating disc frame bearing set 161-5 supports a rotating disc frame 161-6 and a power gear 161-4 to rotate, an air pipe is arranged below a central air passage mounting disc 161-7, an air passage disc 161-8 is arranged above the central air passage mounting disc 161-7, 10 air pipe joints 161-14 are arranged on an air chamber disc 161-9 and respectively correspond to 10 vacuum chambers 163, two air chamber disc connecting rods 161-13 are arranged on the air chamber disc 161-9 and penetrate through a shifting plate 161-12, and the shifting plate 161-12 is fixed on the rotating disc frame 161-6. The gear transmission mechanism 162 drives the power gear 161-4 and the rotating disc rack 161-6 to rotate, so as to drive each vacuum chamber 163 to move to each station, and simultaneously the shifting plate 161-12 fluctuates the air chamber disk link rod 161-13, so as to drive the air chamber disk 161-9 to rotate. The air pipe 161-11, the central air passage mounting disc 161-7, the air passage disc 161-8 and the air chamber disc 161-9 form an air passage, the air passage disc 161-8 only has vent holes in the corresponding vacuumizing direction, and the vacuum chamber 163 in the corresponding vacuumizing direction is vacuumized. The top of the mechanism is provided with a power-on slip ring 161-10 to prevent the wire from winding.

As shown in fig. 29 and 30, the gear transmission mechanism 162 transmits the power of the transverse main shaft to the power gear 161-4 to rotate.

As shown in FIG. 32 and FIG. 33, the vacuum chamber 163 comprises a fixed chamber 163-1, a movable chamber 163-2, a movable chamber swing arm 163-3, a vacuum chamber heat-sealing plate 163-4, a static clamping plate 163-5, a vacuum chamber heat-sealing bottom plate 163-6, a movable clamping plate mechanism 163-7, a negative pressure gauge 163-8, a roller pressing rod 163-9, a cover opening pull rod 163-10, a vacuum chamber pushing cylinder 163-11 and a vacuum chamber air pipe interface 163-12. The fixed chamber 163-1 is sequentially connected with the movable chamber swing arm 163-3 and the movable chamber 163-2, a vacuum chamber heat sealing plate 163-4 and a static clamping plate 163-5 are arranged in the fixed chamber 163-1, a movable clamping plate mechanism 163-7, a negative pressure meter 163-8, a roller pressing rod 163-9, a vacuum chamber pressing cylinder 163-11 and a vacuum chamber air pipe interface 163-12 are arranged outside the fixed chamber 163-1, and a vacuum chamber heat sealing bottom plate 163-6 is arranged in the movable chamber 163-2. The bag receiving arm assembly 15 connects the packaging bag to the fixed chamber 163-1, the movable clamping plate mechanism 163-7 clamps the packaging bag under the action of the clamp opening guide ring mechanism 164, the bag receiving arm assembly 15 loosens and retracts, the roller pressing rod 163-9 is separated from the pressing of the cover opening guide ring mechanism 165, the movable chamber 163-2 covers the static chamber 163-1, the interior of the air chamber is vacuumized, the negative pressure gauge 163-8 is used for measuring and displaying the internal vacuum degree, after the internal vacuum degree is measured, the vacuum chamber pushing cylinder 163-11 pushes the electrified vacuum chamber heat sealing plate 163-4 to press the sealing of the packaging bag on the vacuum chamber heat sealing bottom plate 163-6 for heat sealing, and then the packaging bag. At the discharging station, the roller pressure rod 163-9 is pressed by the uncovering guide ring mechanism 165, the movable chamber 163-2 is opened, and the movable clamping plate mechanism 163-7 loosens and opens the packaging bag to the vacuumizing discharging conveying belt 17 under the action of the clamping guide ring mechanism 164.

As shown in fig. 34, the movable clamp mechanism 163-7 includes a clamp opening roller 16371, a clamp opening swing arm 16372, a right clamp opening rotation shaft 16373, a left and right clamp opening rotation shaft link 16374, a left clamp opening rotation shaft 16375, a left movable clamp 16376, and a right movable clamp 16377. The clamp opening guide ring mechanism 164 pushes the clamp opening roller 16371 to push the clamp opening swing arm 16372, so that the left clamp opening rotation shaft 16375 and the right clamp opening rotation shaft 16373 respectively drive the left clamp 16376 and the right clamp opening 16377 to rotate in opposite directions simultaneously under the action of the left and right clamp opening rotation shaft link 16374, thereby completing the clamp opening operation of the packaging bag.

As shown in FIG. 35, the open clamp guide ring mechanism 164 includes an open clamp cam linkage 164-1, an open clamp rotating shaft 164-2, a movable open clamp guide ring 164-3, an open clamp rotating shaft sleeve 164-4, a stationary open clamp guide ring 164-5, and an open clamp guide ring support 164-6. The clamp opening cam link mechanism 164-1 is driven by the transverse main shaft 22 to drive the clamp opening rotating shaft 164-2 to drive the clamp opening guide ring 164-3 to rotate, push the clamp opening roller 16371 to complete the clamp opening action, and keep the clamp opening guide ring 164-5 in the clamp opening action. The clamp opening rotating shaft sleeve 164-4 is fixed on the frame 1 and supports the clamp opening rotating shaft 164-2 to rotate.

As shown in fig. 36, the door guide mechanism 165 includes a door cam guide 165-1 and a door guide post 165-2. The uncapping cam guide ring 165-1 completes the uncapping action by pressing the roller pressing rod 163-9 by the cam edge.

As shown in fig. 37 and 38, the evacuation discharging conveyor 17 includes a second speed reduction motor 171, a second bracket profile 172, a second conveyor fixing plate 173, a second conveyor belt 174, a second driving head end cover group 175, a second driven head end cover group 176, a second discharging guide metal plate 177, a second motor mounting plate 178, a second driving roller 179, a second roller bearing 1710, a second driven roller 1711, and a second belt cushion 1712. The second belt fixing plate 173 fixes the pair of second bracket profiles 172 on the frame 1 to form a belt bracket, the driving end of the second bracket profile 172 is provided with a second speed reduction motor 171 through a second motor mounting plate 178, the end part is provided with a second driving head end cover group 175, a second roller bearing 1710 is arranged in the driving head end cover and used for mounting a second driving roller 179, and the second driving roller 179 is connected with the second speed reduction motor 171 to form a drive. The driven end of the second bracket profile 172 is fitted with a second driven head end cap set 176 for mounting a second driven roller 1711. A second belt pad 1712 is mounted on the inner side of the second bracket profile 172 for supporting the second conveyor belt 174. The second conveyor belt 174 is wrapped around the second drive roller 179, the second driven roller 1711, and the second belt pad 1712 to form a conveyor belt. The second discharging guide metal plate 177 is installed above the second bracket profile 172 to form a discharging channel.

During operation, the second reduction motor 171 drives the second driving roller 179 to rotate, and the friction force generated by the belt tension drives the second conveying belt 174 to move along the second driving roller 179, the second belt cushion 1712 and the second driven roller 1711, so that the packaged fried bean curd is discharged along the conveying direction of the second discharging guide sheet metal 177 and the second conveying belt 174.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The large-scale double-station fried bean curd filling machine is characterized by comprising a rack, wherein a driving combination is arranged in the rack, and a turntable mechanism, a lower suction bag combination, a bag taking combination, a first opening and clamping assembly, a bag opening combination, a bag opening linkage combination, a second opening and clamping assembly, a feeding and pressing bag combination, a bag guiding sheet combination, a bag detection combination, a non-vacuumizing heat sealing mechanism, a non-vacuumizing discharge conveying belt, a bag receiving arm combination, a vacuum rotation combination and a vacuumizing discharge conveying belt are arranged on the rack; part of components of the turntable mechanism, the lower suction bag combination, the bag taking combination, the first opening and clamping assembly, the bag opening combination, the bag opening linkage combination, the second opening and clamping assembly, the feeding and pressing bag combination, the bag receiving arm combination and the vacuum rotation combination extend into the rack and are driven by the driving combination to do periodic reciprocating motion uniformly; the lower suction bag group is suitable for sucking the packaging bags, the bag taking combination is suitable for taking the packaging bags to a machine clamp of the turntable mechanism, the first clamp opening assembly is suitable for starting the machine clamp to clamp the packaging bags and the packaging bags are transported by the turntable mechanism, the bag opening combination and the bag opening linkage combination are suitable for opening and supporting the packaging bags in a coordinated mode, the feeding and bag pressing combination is suitable for filling fried bean curd into the packaging bags and blowing and pressing the fried bean curd into the packaging bags, and the bag guiding sheet combination is suitable for limiting the packaging bags; in the non-vacuumizing mode, when the bag detection combination detects a packaging bag, the non-vacuumizing heat sealing mechanism is started to heat seal the packaging bag, and the rotary table mechanism loosens the packaging bag to discharge materials above the non-vacuumizing discharge conveying belt; under the evacuation mode, connect a bag arm combination to deliver to the wrapping bag that does not heat-seal the vacuum rotates combination transportation, evacuation and heat-seal, and in evacuation ejection of compact conveyer belt top, carousel mechanism loosens the wrapping bag ejection of compact.

2. The large-scale double-station fried bean curd filling machine of claim 1, wherein the drive assembly comprises a total drive reduction motor, a transverse main shaft, a longitudinal main shaft and a conical gear set; the transverse main shaft is connected with a total drive speed reduction motor and transmits power to the longitudinal main shaft through the conical gear set.

3. The large double-station fried bean curd filling machine according to claim 1, wherein the turntable mechanism comprises a central turntable mechanism, a turntable driving assembly, a cam plate height adjusting mechanism and a swing arm machine clamp combination; the central turntable mechanism comprises a main shaft seat, a central turntable shaft, a central rotating shaft gear, a tensioning sleeve, a turntable flange, a turntable, a first supporting bearing group, a second supporting bearing group, a cam disc, a turntable seat, a lifting encircling block and a central turntable shaft long key; the main shaft seat is arranged on the frame, and the central turntable shaft is arranged on the main shaft seat through the first support bearing group and rotates relative to the main shaft seat; the central rotating shaft is arranged on the central turntable shaft through the second supporting bearing group and rotates relative to the central turntable shaft; the bottom end of the central rotating shaft is provided with the central rotating shaft gear through the tensioning sleeve, and the top end of the central rotating shaft is provided with the rotating disc through the rotating disc flange; the cam disc is arranged on the wheel disc seat, and the wheel disc seat is sleeved on the central turntable shaft and the long key of the central turntable shaft to rotate together by transmitting torque; the lifting encircling block is arranged in a hole groove of the wheel disc seat and is connected with the cam disc height adjusting mechanism for height positioning; the wheel disc driving assembly comprises a cam divider, a driving gear, an input gear and an output gear; the cam divider is fixed on the rack and converts rotary motion into six equal-division intermittent motion, the input gear is installed at the motion input end of the cam divider, and the output gear is installed at the motion output end of the cam divider and meshed with the central rotating shaft gear; the driving gear is arranged on the longitudinal main shaft, is meshed with the input gear and rotates along with the longitudinal main shaft; the cam disc height adjusting mechanism comprises a hand wheel mechanism mounting frame, a cam disc lifting fixed bearing seat group, a hand wheel, a lead screw, a linear rail slider combination, a lead screw nut seat, a nut seat connecting rod, a cam disc lifting swing arm, a cam disc lifting rod, a cam disc lifting swing frame, a turntable supporting pin, a swing fixing seat and a swing frame rotating shaft; the hand wheel mechanism mounting frame and the cam disc lifting fixed bearing seat group are fixed on the frame, the linear rail sliding block combination and the screw rod are mounted on the hand wheel mechanism mounting frame, and the swinging fixed seat is fixed on the main shaft seat; the lead screw is provided with the lead screw nut seat, is combined and connected with the linear rail sliding block and plays a role in guiding, and the hand wheel is arranged on the outermost side of the lead screw and is used for manual adjustment; the screw rod nut seat is sequentially connected with a nut seat connecting rod, a cam disc lifting swing arm, a cam disc lifting rod and a cam disc lifting swing frame to transmit torque; the cam plate lifting swing frame is installed on the swing fixing seat through the swing frame rotating shaft and rotates around the swing frame rotating shaft, and a turntable supporting pin is installed in the middle of the cam plate lifting swing frame and inserted into the lifting encircling block; the rocking hand wheel and the screw rod nut seat move on the screw rod to push the nut seat connecting rod, further push the cam disc lifting swing arm connecting rod and the cam disc lifting swing arm to drive the cam disc lifting rod and the cam disc lifting swing frame, so that the cam disc lifting swing frame rotates around a swing frame rotating shaft, a turntable supporting pin drives the wheel seat and the cam disc to lift, and the initial angle of the clamp of the swing arm clamp combination is adjusted; the swing arm machine clamp combination comprises 6 groups, and each group comprises a first swing arm mounting seat, a second swing arm mounting seat, a left machine clamp rotating shaft, a right machine clamp rotating shaft, a first swing arm connecting rod, a cam disc roller, a cam disc swing arm, a second swing arm connecting rod, a machine clamp roller, a torsion spring swing arm, a left machine clamp, a machine clamp coupling shaft, a right machine clamp swing arm and a right machine clamp; the first swing arm mounting seat, the second swing arm mounting seat, the left machine clamp rotating shaft and the right machine clamp rotating shaft are fixed on the turntable; the first swing arm connecting rod and the second swing arm connecting rod are respectively connected to the first swing arm mounting seat and the second swing arm mounting seat and are connected through a cam disc swing arm in the middle; one end of the cam plate swing arm is provided with a cam plate roller which is in abutting contact with the cam plate; one end of the second swing arm connecting rod is provided with a machine clamp roller which is in top contact with a torsional spring swing arm arranged on the left machine clamp rotating shaft; the torsional spring swing arm is connected with the right machine clamp swing arm through a machine clamp coupling, and the left machine clamp and the right machine clamp are respectively installed on the torsional spring swing arm and the right machine clamp swing arm.

4. The large double-station fried bean curd filling machine according to claim 3, wherein the left machine clamp comprises a machine clamp shell, a pushing end cover, a machine clamp spreading guide sleeve, a machine clamp inner pin shaft, a machine clamp spring, a fixed shaft sleeve, a clamp block connecting rod, a clamp block and a stop pin; the pushing end cover, the machine clamp inner pin shaft, the machine clamp spring, the fixed shaft sleeve and the clamping block connecting rod are arranged inside the machine clamp shell, the clamp spreading guide sleeve is fixedly connected with the pushing end cover and the machine clamp inner pin shaft in sequence, the machine clamp spring is sleeved outside the machine clamp inner pin shaft and is extruded between the pushing end cover and the fixed shaft sleeve, the machine clamp inner pin shaft is connected with the clamping block through the clamping block connecting rod, and meanwhile, the clamping block is connected with the outer part of the machine clamp shell through the pin shaft; under the action of the clamp spring, the left clamp is in a normally clamped state, the first clamp opening assembly and the second clamp opening assembly push the guide sleeve open through the pushing clamp, and the clamping block is pushed to clamp and release the packaging bag through the pushing end cover, the clamp inner pin shaft and the clamping block connecting rod.

5. The large double-station fried bean curd filling machine according to claim 2, wherein the lower suction bag assembly comprises a joint support plate, a suction bag lifting swing arm, a suction bag cam roller, a suction bag cam, a guide pillar fixing shaft seat, a suction bag sliding guide sleeve, a suction bag sliding guide pillar, a suction bag joint connecting plate, a suction bag connecting block, a suction bag bearing connecting rod, a suction bag lifting shaft, a suction bag shaft seat, a vacuum suction cup group and a packaging bag rack; the bag sucking machine comprises a rack, a guide pillar fixing shaft seat, a guide pillar lifting swing arm, a bag sucking cam, a bag sucking bearing connecting rod, a bag sucking joint connecting plate, a bag sucking connecting block, a bag sucking lifting shaft and a vacuum sucker group, wherein the packaging bag material rack and the bag sucking shaft seat are arranged above a table top of the rack; one side of the suction bag connecting block is provided with a suction bag sliding guide sleeve which is sleeved on a suction bag sliding guide column arranged on a guide column fixing shaft seat, and the suction bag shaft seat is sleeved on a suction bag lifting shaft and plays a role in guiding the suction bag sliding guide sleeve and the suction bag lifting shaft.

6. The large double-station fried bean curd filling machine according to claim 2, wherein the bag taking assembly comprises a fixed bearing seat set, a bag taking cam swing arm, a bag taking cam roller, a bag taking cam, a bag taking bearing connecting rod, a hollow upright post, a bag taking rotating shaft, a lower swing arm connecting rod, a bag taking arm assembly, a hanging post bearing connecting rod, an arm hanging post, a lower swing driving arm and a rotating shaft mounting bearing seat; the fixed bearing seat group and the hollow upright post are fixed on the frame, the bag taking cam is arranged on the longitudinal main shaft, and the bag taking cam roller is arranged on the bag taking cam swing arm and keeps contact with the bag taking cam; one end of the bag taking cam swing arm is arranged in the center of a fixed swing arm on the fixed bearing seat group, and the other end of the bag taking cam swing arm is sequentially connected with a bag taking bearing connecting rod, a lower swing driving arm, a bag taking rotating shaft, a lower swing arm connecting rod and a bag taking arm combination; the bag taking rotating shaft fixes a rotating shaft center through a pair of rotating shaft mounting bearing seats arranged on the hollow upright post and is fixedly connected with the lower swing driving arm and the lower swing arm; the arm hanging columns are fixed on the hollow upright columns and connected with the bag taking arm combination through hanging column bearing connecting rods.

7. The large double-station fried bean curd filling machine according to claim 2, wherein the first unclamping assembly comprises a first unclamping cam, a first unclamping cam roller, a first unclamping fixed bearing seat group, a first unclamping cam swing arm, a first unclamping swing arm connecting rod, a first unclamping shaft seat inner shaft, a first unclamping swing shaft, a first unclamping push plate and a first unclamping baffle plate; the first clamping fixing bearing seat group and the first clamping opening bearing seat are arranged on the frame; the first unclamping cam is arranged on the longitudinal main shaft, the first unclamping cam swing arm is arranged at the center of the fixed swing arm on the first unclamping fixed bearing seat group, one end of the first unclamping cam swing arm is provided with a first unclamping cam roller which keeps contact with the first unclamping cam, and the other end of the first unclamping cam swing arm swing; the first opening clamping swing shaft penetrates through the first opening clamping shaft seat, is connected to the inner shaft of the first opening clamping shaft seat and is suitable for rotating and swinging in the inner range of the first opening clamping shaft seat around the axis of the inner shaft of the first opening clamping shaft seat, and the top of the first opening clamping swing shaft is provided with a first opening clamping push plate and a first opening clamping baffle plate.

8. The large double-station fried bean curd filling machine according to claim 2, wherein the bag opening assembly comprises a bag opening mounting frame, a bag opening cam, an air blowing pipe, a bag opening left suction cup, a bag opening right suction cup, a bag opening cam roller, a bag opening fixed bearing seat set, a bag opening cam swing arm, a bag opening swing arm connecting rod, a bag opening right swing arm rotating shaft, a bag opening left swing arm connecting rod, a bag opening left swing arm rotating shaft and a bag opening left swing arm; the bag opening mounting rack is fixed on the rack, the top of the bag opening mounting rack is provided with an air blowing pipe, and the bag opening fixing bearing seat group, the bag opening right swing arm rotating shaft and the bag opening left swing arm rotating shaft are all mounted on the bag opening mounting rack; the bag opening cam is arranged on the longitudinal main shaft, the bag opening cam swing arm is arranged in the center of a fixed swing arm on the bag opening fixed bearing seat group, one end of the bag opening cam swing arm is provided with a bag opening cam roller which keeps contact with the bag opening cam, and the other end of the bag opening cam swing arm is sequentially connected with a bag opening swing arm connecting rod, a bag opening right swing arm, a bag opening left swing arm connecting rod and a bag opening left swing arm; the bag opening right swing arm and the bag opening left swing arm are respectively arranged on the bag opening right swing arm rotating shaft and the bag opening left swing arm rotating shaft to fix the swing arm rotating shaft, and the tail ends of the bag opening right swing arm and the bag opening left swing arm are respectively arranged with a bag opening left sucker and a bag opening right sucker.

9. The large double-station fried bean curd filling machine according to claim 2, wherein the bag supporting linkage combination comprises a lifting fixed bearing seat group, a swinging fixed bearing seat group, a supporting frame, a lifting cam roller, a lifting cam swing arm, a lifting roller, a central shaft, a swinging cam swing arm, a swinging cam roller, a swinging connecting rod, a swinging lantern ring, a central shaft long key, a central shaft top end mounting frame and a bag supporting mechanism; the lifting fixed bearing seat group, the swinging fixed bearing seat group and the supporting frame are fixed on the frame, and the lifting cam and the swinging cam are installed on the longitudinal main shaft and rotate along with the longitudinal main shaft; the lifting cam swing arm is arranged on a fixed swing shaft on the lifting fixed bearing seat group, one end of the lifting cam swing arm is provided with a lifting cam roller which keeps contact with the lifting cam, and the other end of the lifting cam swing arm is provided with a lifting roller which is propped against the central shaft; one end of a swing cam swing arm is arranged on a fixed swing shaft on the fixed swing bearing seat group, the other end of the swing cam swing arm is connected with a swing connecting rod, a swing cam roller is arranged on the swing cam swing arm and keeps contact with a swing cam, the swing connecting rod is connected with a swing lantern ring, and the swing lantern ring is sleeved on the central shaft and the central shaft long key; the top end of the central shaft is provided with a central shaft top end mounting rack and a bag opening mechanism.

10. The large double-station fried bean curd filling machine according to claim 2, wherein the feeding and pressing bag combination comprises a discharging cam, a discharging cam roller, a discharging lifting shaft, a discharging coupling block, a discharging sliding guide sleeve, a discharging sliding guide pillar, a discharging guide pillar shaft seat, a discharging hopper, a discharging lifting plate, a pressing block coupling plate and a pressing and blowing block; the blanking guide pillar shaft seat and the blanking shaft seat are arranged on the rack; the blanking cam is arranged on the longitudinal main shaft, rotates along with the longitudinal main shaft and keeps contact with a blanking cam roller arranged on the blanking lifting shaft; a blanking lifting plate is arranged above the blanking lifting shaft, and a blanking funnel and a material pressing and air blowing block are arranged on the blanking lifting plate; one side of the blanking coupling block is provided with a blanking sliding guide sleeve which is sleeved on a blanking sliding guide post arranged on a blanking guide post shaft seat, the blanking shaft seat is sleeved on a blanking lifting shaft, and the blanking lifting shaft and the blanking sliding guide sleeve play a role in guiding.

11. The large double-station fried bean curd filling machine according to claim 1, wherein the non-vacuumizing heat sealing mechanism comprises a heat sealing mounting bracket, a linear bearing seat, a guide post, a pushing cylinder, a heat sealing pressing plate, a pressure spring upright post, a pressure spring, a heat sealing sheet pressing plate, a film sealing silica gel pad, a heat sealing sheet bottom plate and a guide plate; the linear bearing seat, the pushing cylinder and the heat-seal sheet bottom plate are fixed on the heat-seal mounting bracket; the front end of the pushing cylinder is provided with a heat-sealing pressure plate, the heat-sealing pressure plate is fixed with a guide column and is sleeved with a pressure spring upright post, the guide column is arranged in a linear bearing seat, the pressure spring upright post is sleeved with a pressure spring, and the front end of the pressure spring upright post is provided with a heat-sealing sheet pressure plate; the front of the heat sealing sheet pressing plate is pasted with a film sealing silica gel pad, the inner side of the heat sealing sheet bottom plate is provided with a heat sealing sheet, and the end part of the heat sealing sheet pressing plate is provided with a guide metal plate.

12. The large-scale double-station fried bean curd filling machine according to claim 1, wherein the non-vacuumized discharging conveyor belt comprises a first speed reduction motor, a first bracket profile, a first conveyor belt fixing plate, a first conveyor belt, a first driving head end cover group, a first driven head end cover group, a first discharging guide metal plate, a first motor mounting plate, a first driving roller, a first roller bearing, a first driven roller and a first belt backing plate; the first conveying belt fixing plate fixes a pair of first bracket profiles on the rack to form a conveying belt bracket, a first speed reducing motor is arranged at the driving end of each first bracket profile through a first motor mounting plate, a first driving head end cover group is arranged at the end part of each first bracket profile, a first roller bearing is arranged in each driving head end cover and used for mounting a first driving roller, and each first driving roller is connected with the corresponding first speed reducing motor; the driven end of the first bracket section bar is provided with a first driven head end cover group which is used for installing a first driven roller; a first belt cushion plate is arranged on the inner side of the first support section bar and used for supporting a first conveying belt; the first driving roller, the first driven roller and the first belt backing plate are tightly wrapped by the first conveying belt to form a conveying belt; the first discharging guide metal plate is arranged above the first support profile to form a discharging channel.

13. The large double-station fried bean curd filling machine according to claim 2, wherein the bag receiving arm combination comprises a cam link mechanism with a central swing arm, a tension shaft with a central swing arm, a cam link mechanism with a bag taking swing arm, a tension shaft with a bag taking swing arm, a bag taking swing arm and a bag clamping mechanism; the central swing arm is fixedly connected with the swing ring, and the central swing arm cam link mechanism and the bag taking swing arm cam link mechanism are driven by the transverse main shaft; the central swing arm cam link mechanism pushes the central swing arm tension shaft to rotate, the central swing arm is pushed to rotate, the bag taking swing arm is aligned to the bag taking position, the bag taking swing arm cam link mechanism pushes the bag taking swing arm tension shaft to rotate, the bag taking swing arm is pulled to drive the bag clamping mechanism to swing forwards, the bag clamping mechanism clamps a packaging bag, the bag taking swing arm tension shaft swings back, the packaging bag is taken to the vacuum chamber, the bag clamping mechanism loosens the packaging bag, the central swing arm tension shaft drives the central swing arm to swing back, and the vacuum chamber is prevented from being blocked from rotating along with the turntable frame.

14. The large double-station fried bean curd filling machine according to claim 13, wherein the bag clamping mechanism comprises a rotary cylinder, a mounting bearing set, a tightening pull block, a swing outer shaft, a swing inner shaft, a static bag clamping plate, a dynamic bag clamping plate and an entrainment pull rod; the swing outer shaft is installed on the bag taking swing arm through an installation bearing group, the outer end of the swing outer shaft is fixed with a rotary cylinder, a clamping pull block and a static bag clamping plate, the swing inner shaft is fixed with a movable bag clamping plate and connected with the rotary cylinder, and a clamping pull rod is connected with the clamping pull block and the bag taking swing arm.

15. The large-scale double-station fried bean curd filling machine according to claim 13, wherein the vacuum rotation assembly comprises a central rotating frame mechanism, a gear transmission mechanism, a vacuum chamber, a clamping guide ring opening mechanism, an uncovering guide ring mechanism and an electric chamber; the central rotating frame mechanism comprises a main shaft seat, a swinging ring bearing set, a power gear, a rotating disc frame bearing set, a rotating disc frame, a central air path mounting disc, an air path disc, an air chamber disc, an electrified sliding ring, an air pipe, a shifting plate, an air chamber disc link rod and an air pipe joint; the main shaft seat is fixed on the frame, the swing ring bearing group supports the swing ring linkage bag receiving arm combination, the rotating disc frame bearing group supports the rotating disc frame and the power gear to rotate, an air pipe is arranged below the central air path mounting disc, an air path disc is arranged above the central air path mounting disc, 10 air pipe joints which correspond to 10 vacuum chambers respectively are arranged on the air chamber disc, two air chamber disc link rods are arranged on the air chamber disc and penetrate through the shifting plate, and the shifting plate is fixed on the rotating disc frame; the gear transmission mechanism drives the power gear and the rotary disc frame to rotate, so as to drive each vacuum chamber to move to each station, and simultaneously the shifting plate fluctuates the air chamber disc link rod to drive the air chamber disc to rotate; the air pipe, the central air path mounting disc, the air path disc and the air chamber disc form an air path, the air path disc is only provided with air holes in the vacuumizing corresponding direction, and the vacuum chamber facing to the vacuumizing corresponding direction is vacuumized; the top of the mechanism is provided with an electrified slip ring to prevent the wire from winding; the gear transmission mechanism transmits the power of the transverse main shaft to the power gear to enable the power gear to rotate; the vacuum chamber comprises a fixed chamber, a movable chamber swing arm, a vacuum chamber heat-sealing plate, a static clamping plate, a vacuum chamber heat-sealing bottom plate, a movable clamping plate mechanism, a negative pressure meter, a roller pressing rod, a cover opening pull rod, a vacuum chamber push cylinder and a vacuum chamber air pipe interface; the fixed cavity is sequentially connected with the movable cavity swing arm and the movable cavity, a heat sealing plate and a static clamping plate of the vacuum chamber are arranged in the fixed cavity, a movable clamping plate mechanism, a negative pressure meter, a roller pressing rod, a pushing cylinder of the vacuum chamber and an air pipe interface of the vacuum chamber are arranged outside the fixed cavity, and a heat sealing bottom plate of the vacuum chamber is arranged in the movable cavity; the bag receiving arm combination connects the packaging bag to the fixed cavity, the movable clamping plate mechanism clamps the packaging bag under the action of the opening clamping guide ring mechanism, the bag receiving arm combination is loosened and returned, the roller pressing rod is separated from the pressing of the opening guiding ring mechanism, the movable cavity covers the static cavity, the interior of the air chamber is vacuumized, the negative pressure gauge is used for measuring and displaying the internal vacuum degree, and after the vacuum chamber is completely closed, the vacuum chamber push cylinder pushes the electrified vacuum chamber heat sealing plate to press the sealing opening of the packaging bag on the vacuum chamber heat sealing bottom plate for heat sealing, and then the packaging bag; at a discharging station, a roller pressure rod is pressed by an uncovering guide ring mechanism, a movable cavity is opened, and a movable clamping plate mechanism loosens and opens the packaging bag to a vacuumizing discharging conveying belt under the action of an opening clamping guide ring mechanism; the clamp opening guide ring mechanism comprises a clamp opening cam connecting rod mechanism, a clamp opening rotating shaft, a movable clamp opening guide ring, a clamp opening rotating shaft sleeve, a static clamp opening guide ring and a clamp opening guide ring strut; the clamp opening cam link mechanism is driven by the transverse main shaft to drive the clamp opening rotating shaft to drive the movable clamp opening guide ring to rotate, the clamp opening roller is pushed to complete clamp opening action, and the static clamp opening guide ring keeps clamp opening action; the clamping opening rotating shaft sleeve is fixed on the rack and supports the clamping opening rotating shaft to rotate; the uncovering guide ring mechanism comprises an uncovering cam guide ring and an uncovering guide ring support; the uncapping cam guide ring presses the roller pressure rod through the cam edge to complete uncapping action.

16. The large-scale double-station fried bean curd filling machine according to claim 15, wherein the movable clamping plate mechanism comprises an unclamping roller, an unclamping swing arm, a right unclamping rotating shaft, a left unclamping rotating shaft link rod, a left unclamping rotating shaft, a left movable clamp and a right movable clamp; the clamp opening guide ring mechanism pushes the clamp opening roller to push the clamp opening swing arm, and under the action of the left and right clamp opening rotating shaft link rods, the left clamp opening rotating shaft and the right clamp opening rotating shaft respectively drive the left movable clamp and the right movable clamp to rotate in opposite directions simultaneously to complete the clamp opening action of the packaging bag.

17. The large-scale double-station fried bean curd filling machine according to claim 1, wherein the vacuumized discharging conveyor belt comprises a second speed reducing motor, a second bracket profile, a second conveyor belt fixing plate, a second conveyor belt, a second driving head end cover group, a second driven head end cover group, a second discharging guide metal plate, a second motor mounting plate, a second driving roller, a second roller bearing, a second driven roller and a second belt backing plate; the second conveying belt fixing plate fixes a pair of second support section bars on the rack to form a conveying belt support, a second speed reducing motor is mounted at the driving end of each second support section bar through a second motor mounting plate, a second driving head end cover group is mounted at the end part of each second support section bar, a second roller bearing is mounted in each driving head end cover and used for mounting a second driving roller, and the second driving rollers are connected with the second speed reducing motors to form driving; the driven end of the second bracket section bar is provided with a second driven head end cover group which is used for installing a second driven roller; a second belt base plate is arranged on the inner side of the second bracket profile and used for supporting a second conveying belt; the second driving roller, the second driven roller and the second belt cushion plate are tightly wrapped by the second conveying belt to form a conveying belt; the second ejection of compact direction panel beating is installed in second support section bar top, forms discharging channel.