A multi-variety dried fruit kraft paper food bag packaging assembly line device

Abstract

The present application belongs to the field of food packaging machinery and equipment, and relates to a kraft paper food bag packaging assembly line device for multiple dried fruits. The device is sequentially arranged with a bag feeding mechanism, a paper bag conveying-in and conveying-out mechanism, a paper bag conveying mechanism, a paper bag discharging mechanism, a paper bag opening mechanism, an air pumping mechanism, a paper bag labeling mechanism, a paper bag clamping mechanism, a conveyor belt, and a paper bag sealing mechanism along the circumference of a circular workbench a. The paper bag clamping mechanism is provided with multiple clamping mechanisms and rotates with the circular workbench a. The paper bag discharging mechanism is a multi-channel adjustable structure, which realizes quantitative feeding of multiple dried fruits. The paper bag conveying mechanism connects the paper bag discharging mechanism and the paper bag opening mechanism. Each mechanism is electrically connected with a control system. Through the multi-channel feeding and self-adaptive clamping design, the present application solves the problems of single function and poor adaptability of paper bag specifications of the existing device, realizes mixed packaging of multiple types of dried fruits according to the mixing ratio and compatibility of multiple specifications of paper bags, and improves the packaging efficiency and the universality of the equipment.

Description

Technical Field

[0001] This invention belongs to the field of food packaging machinery and equipment, and specifically relates to a production line device for packaging various dried fruits in kraft paper food bags. Background Technology

[0002] With the improvement of people's living standards, the demand for snack foods is increasing, among which dried fruits are particularly popular due to their rich nutrition and diverse flavors. Currently, the industrial packaging of dried fruits largely relies on dedicated production lines, achieving automated operations through the linkage of feeding, metering, sealing, and conveying mechanisms. Kraft paper bags, due to their environmental friendliness, moisture resistance, and good texture, have become the mainstream packaging material for dried fruits, but they still suffer from low automation and inefficiency.

[0003] Existing packaging equipment is mostly designed for single-category, single-size packaging bags, making it difficult to adapt to the soft and less rigid characteristics of kraft paper bags. Failures are prone to occur in the bag handling, opening, and sealing stages. In addition, when multiple dried fruits need to be mixed in a certain proportion and packaged into a single bag, manual intervention or a combination of multiple independent machines is often required. This results in large equipment footprints, and the core technical design is centered on single packaging needs, without considering the adaptability to multiple categories and sizes of packaging. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the purpose of this invention is to provide a production line device for packaging various dried fruits in kraft paper food bags. The specific technical solution is as follows:

[0005] A kraft paper food bag packaging production line device for various dried fruits, comprising a bag feeding mechanism, a paper bag infeeding and outfeeding mechanism, a paper bag material conveying mechanism, a material feeding mechanism, a paper bag opening mechanism, an air extraction mechanism, a paper bag labeling mechanism, a paper bag clamping mechanism, a conveyor belt, and a paper bag sealing mechanism arranged sequentially along the circumference of a circular workbench a.

[0006] The paper bag clamping mechanism is provided in multiple ways, evenly distributed on the circular worktable a, and fixedly connected to the circular worktable a. It rotates synchronously with the circular worktable a to clamp and transfer the paper bag.

[0007] The bag supply mechanism is located on the entrance side of the circular workbench a, and is used to store and lift paper bags to the bag picking station;

[0008] The paper bag infeeding and outfeeding mechanism is located between the bag supply mechanism, the conveyor belt and the circular worktable a, and is used to transport the paper bags in the bag supply mechanism to the clamping station and transfer the packaged paper bags to the conveyor belt.

[0009] The paper bag opening mechanism, air extraction mechanism, paper bag sealing mechanism, and paper bag labeling mechanism are fixedly installed on the outer periphery of the circular workbench a, corresponding to the transfer trajectory of the paper bag clamping mechanism;

[0010] The feeding mechanism is a multi-channel adjustable structure, fixedly installed above the paper bag conveying mechanism, and is used for quantitative feeding of various dried fruits; the paper bag conveying mechanism is connected between the feeding mechanism and the paper bag opening mechanism, and is used to convey the dried fruits into the opened paper bag;

[0011] The conveyor belt is located at the exit of the circular workbench a, and its input end is connected to the discharge station of the paper bag infeed and outfeed mechanism for outputting finished packaging bags.

[0012] The bag feeding mechanism, paper bag infeeding and outfeeding mechanism, paper bag clamping mechanism, paper bag opening mechanism, feeding mechanism, paper bag conveying mechanism, air extraction mechanism, paper bag sealing mechanism, paper bag labeling mechanism, circular worktable a, circular worktable b, and conveyor belt are all electrically connected to the control system. The control system coordinates the timing of the actions to achieve automated mixed packaging of multiple types of dried fruits.

[0013] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the bag feeding mechanism includes a slide rail support rod, four corner support rods, four corner opening support guard plates, four corner opening driven rods, linear guide rail d, MOB oil cylinder, slide rail support rod feet, paperboard lifting support, paperboard and linear guide rail slider e;

[0014] The slide rail support rod is vertically arranged, and its lower end is fixedly connected to the slide rail support rod foot; the linear guide rail d is fixedly installed on the slide rail support rod and extends vertically to provide guidance for the lifting of the paper bag;

[0015] The paperboard for supporting the paper bag is horizontally positioned and fixedly connected to the linear guide slider e on the linear guide rail d, so that it can slide vertically along the linear guide rail d.

[0016] The paperboard lifting support is fixedly connected to the bottom of the paperboard and connected to the linear guide rail slider e on the linear guide rail d; it is used to drive the paperboard to rise and fall to compensate for the height change after the paper bags are reduced.

[0017] To achieve the regularization and positioning of paper bags of different sizes, four corner support rods are provided, which are respectively set on the outer side of the four corners of the paperboard, vertically arranged, with their lower ends fixedly connected to the four corner opening support guards and their upper ends slidably connected.

[0018] The four-corner opening driven rods are provided in eight parts and are hinged to the four-corner opening support guard plate;

[0019] The four corner support rods are connected by four corner opening driven rods. When the MOB cylinder extends or retracts, it can drive the four corner support guards to open or retract synchronously, so as to adapt to and regulate paper bag stacks of different widths.

[0020] During operation, the MOB hydraulic cylinder extends in a controlled manner, driving the four corner support rods and the four corner opening driven rods away from the center, causing the four corner opening support plates to open, facilitating the manual placement of stacked kraft paper bags onto the transport board. After placement, the MOB hydraulic cylinder retracts in a controlled manner, causing the four corner opening support plates to close, neatly arranging the stack of paper bags to the ready-to-retrieve position. As the paper bags are removed one by one, the transport board lifting support and the linear guide slider e on the linear guide rail d move upward together, driving the transport board to rise at a uniform speed, ensuring that the top layer of paper bags is always maintained at the height of the bag-retrieving station, ensuring that the subsequent paper bag infeed and outfeed mechanisms can stably pick up the paper bags.

[0021] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the paper bag conveying mechanism includes a paper bag conveying suction cup mechanism and a paper bag conveying gripper mechanism; respectively used to convey empty paper bags in the bag supply mechanism to the clamping station, and to transfer the packaged finished bags to the conveyor belt.

[0022] The paper bag feeding suction cup mechanism includes a guide rail bracket a, a slider holder a, a linear guide rail a, a suction cup mounting plate, a double cylinder a, a cylinder mounting plate a, a timing belt fixing plate a, a limit rod a, a guide rail limit block a, a linear guide rail slider a, a single-layer vacuum suction cup a, a suction cup mounting block and a double-headed stud.

[0023] The guide rail bracket a serves as the load-bearing base; the linear guide rail a is fixedly installed on the guide rail bracket a, forming a guiding reference for horizontal reciprocating motion; the linear guide rail slider a is slidably disposed on the linear guide rail a.

[0024] The slider holder a is fixedly installed on the guide rail bracket a and is used to connect the limiting rod a and the guide rail limiting block a; the slider holder a and the guide rail limiting block a are set at both ends of the linear guide rail a and are used to precisely limit the horizontal travel of the linear guide rail slider a to avoid overtravel.

[0025] The cylinder body of the double cylinder a is fixedly installed on the cylinder mounting plate a, and its telescopic rod is set vertically downward to drive the vertical lifting and lowering of the adsorption component.

[0026] The suction cup mounting plate is fixedly connected to the telescopic rod of the double cylinder a;

[0027] The two single-layer vacuum suction cups a are fastened to the suction cup mounting block by double-headed studs passing through the suction cup mounting block. The suction cup mounting block is fixedly connected to the suction cup mounting plate, thereby achieving symmetrical assembly of the single-layer vacuum suction cups a.

[0028] The timing belt fixing plate a is fixedly connected to the cylinder mounting plate a, and is used to connect an external drive device to drive the linear guide slider a to move horizontally back and forth along the linear guide a.

[0029] During operation, the control system first drives the linear guide slider a horizontally along the linear guide a via a synchronous belt, causing the vacuum adsorption component to accurately reach the bag-picking station above the bag supply mechanism. Then, the double cylinder a extends, pushing the single-layer vacuum suction cup a downward and adhering to the surface of the paper bag. The vacuum suction cup connects to the negative pressure source to generate adsorption force, completing the reliable gripping of the paper bag. After the gripping action is completed, the double cylinder a retracts and resets, causing the paper bag to detach from the bag supply mechanism. Then, the linear guide slider a moves again along the linear guide a to the clamping station on the side of the circular worktable a. After reaching the target position, the double cylinder a extends again, sending the paper bag to the clamping position of the paper bag clamping mechanism. After the sector gear claw clamps the paper bag, the vacuum suction cup cuts off the negative pressure source to release the paper bag, and the double cylinder a retracts and resets, completing the paper bag feeding action.

[0030] The paper bag conveying gripper mechanism includes a guide rail bracket b, a slider seat b, a linear guide rail b, a linear guide rail slider b, a double cylinder b, a cylinder mounting plate b, a timing belt fixing plate b, a limit rod b, a guide rail limit block b, a gripper inner connecting rod, a fixing profile, a joint connecting rod, a linear cylinder, a cylinder fixing seat, a rotating shaft fixing block, a rotating shaft, a flexible gripper, a gripper outer connecting rod, a gripper mounting plate, a gripper fixing plate, and a cylinder connecting plate;

[0031] The guide rail bracket b serves as the load-bearing base; the linear guide rail b is fixedly installed on the guide rail bracket b and extends horizontally; the linear guide rail slider b is slidably disposed on the linear guide rail b;

[0032] The slider holder b is fixedly installed on the guide rail bracket b and is used to connect the limiting rod b and the guide rail limiting block b; the slider holder b and the guide rail limiting block b are set at both ends of the linear guide rail b and are used to limit the stroke of the linear guide rail slider b.

[0033] The cylinder body of the double cylinder b is fixedly installed on the cylinder mounting plate b, and its telescopic rod is set vertically downward to drive the lifting and lowering of the entire gripper assembly; the telescopic rod of the double cylinder b is fixedly connected to the gripper mounting plate; the fixed profile is fixedly connected to the gripper mounting plate.

[0034] The cylinder body of the linear cylinder is fixedly mounted on the cylinder connecting plate by a cylinder mounting base;

[0035] The joint link is hinged to the telescopic rod of the linear cylinder;

[0036] The inner connecting rod and the outer connecting rod of the gripper are respectively hinged to the joint connecting rod;

[0037] The flexible gripper is fixedly connected to the gripper fixing plate; the rotating shaft passes through the hinge point of the inner connecting rod and the outer connecting rod of the gripper, and is positioned and supported by the rotating shaft fixing block;

[0038] The timing belt fixing plate b is fixedly connected to the cylinder mounting plate b and is used to connect an external drive device;

[0039] The gripper mounting plate is fixed to the fixed profile, providing a mounting carrier for the flexible gripper; when the linear cylinder extends or retracts, the flexible grippers on both sides can be driven to open and close synchronously around the rotating shaft through the connecting rod transmission chain.

[0040] During operation, the motion slide moves along the linear guide rail b to the finished bag picking station on the side of the circular worktable a; the double cylinder b extends, driving the flexible gripper to descend to the paper bag clamping position; then the linear cylinder extends, driving the flexible gripper to close through the linkage transmission chain, forming a flexible clamping of the finished bag, avoiding damage to the paper bag caused by rigid clamping; after clamping, the double cylinder b retracts, allowing the paper bag to leave the clamping station; the linear guide rail slider b moves along the linear guide rail b to the top of the conveyor belt; after reaching the position, the double cylinder b extends again, the linear cylinder retracts, the flexible gripper opens to release the paper bag, and the packaged finished bag is placed smoothly on the conveyor belt, completing the paper bag transport action.

[0041] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the paper bag clamping mechanism includes a paper bag clamping fixing plate, a linear guide rail c, a mechanical claw fixing plate, a claw servo motor, a sector gear claw, a claw finger sleeve, an L-shaped connecting plate, a servo motor short connecting rod, a claw servo motor short swing arm, a claw connecting block, a slider connecting block, a servo motor long connecting rod, a width adaptive servo motor, a width adaptive servo motor swing arm, and a linear guide rail slider c;

[0042] The paper bag clamping and fixing plate is fixedly connected to the circular worktable a, serving as the mechanism mounting base;

[0043] The linear guide rails c are provided in two parallel positions and are fixedly installed on the paper bag clamping plate; there are two linear guide rail sliders c, each of which is slidably set on one linear guide rail c.

[0044] The mechanical claw fixing plate is provided in two parts, which are fixedly connected to the L-shaped connecting plate on the same side respectively. The L-shaped connecting plate is fixedly connected to the gripper connecting block, and the gripper connecting block is fixedly connected to the linear guide slider c.

[0045] The housing of the width adaptive servo is fixedly mounted on the paper bag clamping plate, and its output shaft is fixedly connected to the width adaptive servo swing arm.

[0046] One end of the servo motor's long connecting rod is hinged to the width-adaptive servo motor's swing arm, and the other end is hinged to the slider connecting block. During operation, the width-adaptive servo motor drives the linear guide sliders c on both sides to move synchronously towards or away from each other along the linear guide rail c via the servo motor's long connecting rod, thereby precisely adjusting the distance between the grippers on both sides to accommodate paper bags of different widths.

[0047] The slider connecting block is fixedly installed on the gripper connecting block on the same side;

[0048] The housing of the gripper servo is fixedly mounted on the mechanical gripper mounting plate, and its output shaft is fixedly connected to the short swing arm of the gripper servo.

[0049] One end of the servo short link is hinged to the gripper servo short swing arm, and the other end is hinged to the sector gear gripper.

[0050] The sector gear gripper is provided in two parts, which are mounted on the mechanical gripper fixing plate via a rotating shaft, and the sector teeth of the two sector gear grippers mesh with each other;

[0051] The gripper finger sleeve is fitted onto the gripping end of the sector gear gripper;

[0052] During operation, the gripper servo motor drives the sector gear gripper to rotate via the short swing arm and short connecting rod. When the two sector gear grippers rotate towards each other, they grip the paper bag.

[0053] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the feeding mechanism includes a feeding funnel shovel, a funnel shovel connecting rod, a gear connecting rod, a feeding gear, a funnel, a slide cylinder, a flange motor a, a motor mounting plate, and a motor gear.

[0054] The funnel is fixedly installed on the telescopic rod of the slide cylinder, and its bottom is provided with a discharge port for storing dried fruit;

[0055] The feeding hopper shovel is located at the outlet of the hopper and is used to control the opening and closing of the outlet;

[0056] One end of the funnel shovel connecting rod is fixedly connected to the material feeding funnel shovel;

[0057] One end of the gear connecting rod is hinged to the other end of the funnel shovel connecting rod;

[0058] The feeding gear is fixedly connected to the other end of the gear connecting rod and rotatably connected to the shell of the funnel, forming a double rocker mechanism;

[0059] The housing of the flange motor a is fixedly mounted on the funnel via a motor mounting plate;

[0060] The motor gear is fixedly connected to the output shaft of the flange motor a, and meshes with the unloading gear for transmission.

[0061] The cylinder body of the slide cylinder is fixedly mounted on the circular worktable b, and the overall motion stroke of the entire feeding mechanism can be adjusted by the telescopic movement.

[0062] The flange motor a drives the feeding gear to rotate through the motor gear, which in turn drives the feeding hopper shovel to swing and control the opening and closing of the feeding hopper.

[0063] During operation, the flange motor A starts according to the control system's instructions, driving the feeding gear to rotate via the motor gears. The rotational motion of the feeding gear is converted into the reciprocating oscillation of the feeding hopper shovel through the gear connecting rod fixed to it and the funnel shovel connecting rod hinged to it. When the feeding hopper shovel swings to the open position, the dried fruit in the funnel is discharged from the outlet; when it swings to the closed position, the outlet is closed, thus achieving precise opening and closing control of the feeding process.

[0064] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the paper bag feeding mechanism includes a longitudinal guide arm mounting seat, a longitudinal guide arm, a transverse guide arm mounting seat, a double cylinder c, a double-sided cam, a transverse guide arm, a fixed slide, a spring, a movable slide, a movable slide limit block, a longitudinal movable slide, a feeding shovel, a quantitative module, a mounting plate, a support profile, a flange motor b, a feeding base plate, and a feeding push plate;

[0065] The supporting profile serves as the overall supporting frame for the paper bag conveying mechanism; the mounting plate is fixedly installed on the supporting profile;

[0066] The flange motor b is fixedly mounted on the mounting plate, and its output shaft extends horizontally.

[0067] The double-sided cam is connected to the output shaft of the flange motor b and rotates synchronously with the flange motor b;

[0068] The transverse guide arm mounting base is fixedly mounted on the mounting plate;

[0069] The first end of the transverse guide arm is rotatably connected to the transverse guide arm mounting base, and its second end is in sliding contact with the first cam surface of the double-sided cam to form a cam driven engagement.

[0070] The longitudinal guide arm mounting seat is fixedly mounted on the mounting plate and is located on one side of the transverse guide arm mounting seat;

[0071] The first end of the longitudinal guide arm is rotatably connected to the longitudinal guide arm mounting base, and its second end is in sliding contact with the second cam surface of the double-sided cam, forming a cam driven engagement.

[0072] The fixed slide is fixedly installed on the mounting plate and extends horizontally;

[0073] The movable slide is slidably mounted on the fixed slide;

[0074] The longitudinal movable slide is slidably mounted on the movable slide limit block;

[0075] The spring is disposed between the fixed slide and the movable slide and is used for the reset of the movable slide;

[0076] The movable slide limit block is fixedly installed at the end of the movable slide to limit the movement stroke of the movable slide.

[0077] The feeding shovel is connected to the feeding base plate and is slidably mounted on the longitudinal movable slide and the transverse guide arm.

[0078] The quantitative module is fixedly installed between the feeding shovel and the feeding base plate and is used to feed back threshold signals.

[0079] The cylinder body of the double cylinder c is fixedly connected to the feeding shovel, and the end of the telescopic rod of the double cylinder c is connected to the feeding push plate.

[0080] During operation, the flange motor (b) drives the double-sided cam to rotate. The two cam surfaces of the double-sided cam drive the horizontal guide arm and the vertical guide arm respectively. This linkage motion is transmitted through a linkage mechanism, ultimately driving the feeding shovel to complete a compound reciprocating motion on the fixed slide and the movable slide. The quantitative module monitors the weight of the material in the feeding shovel in real time. When the preset value is reached, the control system commands the feeding mechanism to stop feeding. Subsequently, the feeding shovel moves towards the bag opening under the drive of the cam. When it reaches the bag opening, the double cylinder (c) extends, pushing the feeding pusher plate forward a short distance to ensure that all the material falls into the bag. Afterward, the double cylinder (c) retracts, and the feeding shovel resets with the assistance of the cam drive and the spring, completing one feeding cycle.

[0081] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the air extraction mechanism includes an air extraction channel, an air extraction stroke plate, a hexagonal head bolt a, an integral steel pipe flange a, a cylindrical conversion column, an air extraction support rod, a cylinder support connecting plate, and a double cylinder d.

[0082] The integral steel pipe flange a serves as the mounting base; the cylindrical conversion column is fixedly installed on the integral steel pipe flange a;

[0083] The air intake support rod is provided as a single vertical rod, with its lower end fixedly connected to the cylindrical conversion column;

[0084] The cylinder support connecting plate is fixedly connected to the upper end of the intake support rod;

[0085] The cylinder body of the double cylinder d is fixedly installed on the cylinder support connecting plate, and its telescopic rod is set horizontally.

[0086] The intake stroke plate is fixedly connected to the telescopic rod of the double cylinder d;

[0087] The suction channel is fixedly installed on the suction stroke plate. The suction channel is a tubular structure used to insert into the inside of the paper bag for air extraction.

[0088] The cylinder support plate and the intake support rod are fastened together by using hexagonal head bolts a and hexagonal nuts.

[0089] During operation, when the paper bag filled with dried fruit rotates to the suction station along with the clamping mechanism, the double cylinder d extends, driving the suction stroke plate and the suction channel fixed thereto to move forward horizontally, precisely inserting the front end of the suction channel into the paper bag. Subsequently, the suction channel, connected to the external negative pressure system, activates to extract excess air from the bag. After suction is completed, before the paper bag sealing mechanism operates, the double cylinder d retracts, causing the suction channel to be partially or completely pulled out of the paper bag, making room for the subsequent sealing process.

[0090] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the paper bag sealing mechanism includes an upper support, a cylinder support conversion frame, an upper soldering iron support, an upper soldering iron, a single-rod cylinder a, a long cylinder support column, an integral steel pipe flange b, a hexagonal head bolt b, a short cylinder support column, a single-rod cylinder b, a lower support, a lower soldering iron support, and a lower soldering iron;

[0091] The integral steel pipe flange b serves as the mounting base; the long cylinder support column and the short cylinder support column are vertically arranged, and their lower ends are fixedly connected to the integral steel pipe flange b.

[0092] The cylinder body of the single-rod cylinder a is installed on the upper end of the long cylinder support column, and its telescopic rod is set vertically upward.

[0093] The upper support is fixedly connected to the telescopic rod of the single-rod cylinder a via a cylinder support conversion frame;

[0094] The upper soldering iron bracket is fixedly installed on the upper bracket; the upper soldering iron is fixedly installed in the upper soldering iron bracket with the heating end facing downward;

[0095] The cylinder body of the single-rod cylinder b is fixedly installed on the upper end of the short cylinder support column, and its telescopic rod is set vertically upward.

[0096] The lower support is fixedly connected to the telescopic rod of the single-rod cylinder b via a cylinder support conversion frame; the lower soldering iron support is fixedly installed on the lower support.

[0097] The lower soldering iron is fixedly installed in the lower soldering iron bracket, with the heating end facing upward;

[0098] During operation, when the air extraction process is halfway complete or finished, the control system activates the upper and lower soldering irons for preheating. Once the paper bag is in place and the air extraction channel of the vacuum mechanism has been partially pulled out, single-rod cylinder a retracts, driving the upper soldering iron downwards; simultaneously, single-rod cylinder b extends, driving the lower soldering iron upwards. The upper and lower soldering irons close under a preset pressure, clamping the opening of the paper bag. The heating of the soldering irons melts the plastic heat-sealing layer on the inner wall of the kraft paper bag and maintains this state at the preset pressure and temperature for a set time, achieving a secure heat seal at the bag opening. After the sealing time is reached, single-rod cylinder a extends, lifting the upper soldering iron upwards; single-rod cylinder b retracts, resetting the lower soldering iron downwards, separating the upper and lower soldering irons, completing the entire sealing process.

[0099] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is that the paper bag labeling mechanism includes a label storage and feeding mechanism, a label pasting mechanism, and a support base.

[0100] The label storage and feeding mechanism includes a label storage rod active rod fixing component, a label storage rod active rod, a servo motor support reinforcement plate, a servo motor reinforcement main plate, a label-attached storage rod passive rod, a label baffle, a narrow fixing rod base, a wide fixing rod base, a label storage main support rod, a label baffle support plate, a label baffle support reinforcement plate, a label storage rod passive rod fixing component, and a label rod rotation active servo motor;

[0101] The narrow fixing rod base and the wide fixing rod base are used to fix the main support rod for storing the label paper;

[0102] The housing of the active servo motor for rotating the paper rod is fixedly installed on the servo motor support reinforcement plate;

[0103] The label storage rod active rod fixing component is fixedly installed on the label storage main support rod and is used to support both ends of the label storage rod active rod;

[0104] The active rod of the label storage rod is fixedly connected to the output shaft of the active servo motor for rotating the label rod, and is set horizontally.

[0105] The passive rod fixing component of the label storage rod is fixedly installed on the main support rod for label storage, and the two ends of the passive rod of the label storage rod are rotatably connected to the passive rod fixing component of the label storage rod.

[0106] The servo motor support reinforcement plate and the servo motor reinforcement main plate are fixedly installed on the main support rod for storing the label paper.

[0107] The label baffle support plate is fixedly installed on the side of the label baffle support reinforcement plate, and the label baffle support reinforcement plate is fixedly installed on the main support rod for label storage and is fixedly connected to the label baffle to support and reinforce the label baffle.

[0108] The label pasting mechanism includes a motor drive rod, a right motor housing, a left motor housing, a flange motor c, and a label storage plate;

[0109] The motor drive rod is fixedly connected to the output shaft of the flange motor c;

[0110] The right motor housing and the left motor housing are symmetrically arranged and fixedly installed on the outside of the housing of the flange motor c;

[0111] The label storage plate is fixedly connected to the motor drive rod, and is used to temporarily store the label and rotate and press it down under the drive of the motor to stick the label onto the packaging bag;

[0112] The support base includes a lower support plate and a support bracket;

[0113] The lower support plate serves as the bottom support base; the support bracket is vertically arranged, with its upper end fixedly connected to the lower support plate, and the upper end of the lower support plate fixedly connected to the right motor housing and left motor housing of the label pasting mechanism.

[0114] During operation, once a label is fed onto the label storage plate, the flange motor C starts and rotates 90 degrees or other preset angles. The motor drive rod rotates synchronously with the motor, causing the label storage plate to rotate downwards and press against the passing packaging bag, firmly affixing the label to the designated position on the bag surface. After the affixing action is completed, the flange motor C rotates 90 degrees in the opposite direction to reset, and the label storage plate and motor drive rod return to their initial positions, ready to receive the next label.

[0115] The preferred embodiment of the kraft paper food bag packaging production line device for various dried fruits is as follows: the paper bag opening mechanism includes a single-layer vacuum suction cup b, a suction cup bushing, an equal-length double-ended stud, a hexagonal nut b, an aluminum square tube, a hexagonal nut c, a wide-type finger cylinder telescopic rod, a hexagonal nut d, a wide-type finger cylinder, a cylinder support plate, a cylinder support plate seat, a cylinder support column, a hexagonal head bolt c, an integral steel pipe flange c, a hexagonal nut e, and a screw rod;

[0116] The integral steel pipe flange c serves as the mounting base; the cylinder support column is vertically installed and its lower end is fixedly connected to the integral steel pipe flange c.

[0117] The cylinder support plate holder is fixedly installed on the upper end of the cylinder support column; the cylinder support plate is fixedly connected to the cylinder support plate holder.

[0118] The wide-type finger cylinder is fixedly installed on the cylinder support plate; the telescopic rod of the wide-type finger cylinder is connected to the extended end of the wide-type finger cylinder and is set horizontally.

[0119] The aluminum square tube is fastened to the end of the wide-type finger cylinder telescopic rod by a screw, hexagonal nut c and hexagonal nut e, and is set horizontally;

[0120] The equal-length double-ended stud passes through the end of the aluminum square tube; the hexagonal nut b cooperates with the equal-length double-ended stud and is fastened to the aluminum square tube;

[0121] The suction cup bushing is fixedly installed at the end of the aluminum square tube; the single-layer vacuum suction cup b is installed on the suction cup bushing and is used to adsorb the edge of the paper bag; the hexagonal nut d is set at the connection between the wide-type finger cylinder and the wide-type finger cylinder telescopic rod and is used to fasten the connection.

[0122] During operation, when the paper bag clamping mechanism holds one side of the paper bag and rotates with the worktable to the opening position, the wide-type finger cylinders actuate, driving the telescopic rods on both sides to retract in opposite directions. This causes the aluminum square tube and its end single-layer vacuum suction cup b to approach the edge of the paper bag opening. The single-layer vacuum suction cup b is connected to a negative pressure source, adsorbing the paper bag. Subsequently, the wide-type finger cylinders reverse their action, driving the telescopic rods on both sides to extend in opposite directions. Through the pulling force of vacuum adsorption, the bag opening is pulled open to both sides, thus achieving precise opening and maintaining a stable state for the subsequent paper bag feeding mechanism to feed the dried fruit into the bag.

[0123] Various dried fruit packaging methods include the following steps:

[0124] S1: The bag feeding mechanism positions the paper bag and lifts it to the bag picking station;

[0125] S2: The paper bag feeding suction cup mechanism picks up the paper bag and transfers it to the paper bag clamping mechanism for clamping;

[0126] S3: The paper bag clamping mechanism rotates with the circular worktable a to the paper bag opening mechanism station, and the opening mechanism opens the bag opening.

[0127] S4: The feeding mechanism feeds materials quantitatively according to the preset ratio in each channel, and then conveys them to the opened paper bag through the paper bag conveying mechanism;

[0128] S5: The paper bag is transferred to the air extraction mechanism and paper bag sealing mechanism along with the workbench for air extraction and heat sealing;

[0129] S6: The paper bag is transferred to the paper bag labeling mechanism to complete the label affixing;

[0130] S7: The paper bag delivery gripper mechanism picks up the packaged paper bags and transfers them to the conveyor belt for output.

[0131] Beneficial effects

[0132] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0133] This invention overcomes the limitation of existing devices that can only package a single type of dried fruit by setting up a multi-channel, independently adjustable feeding mechanism and a paper bag conveying mechanism. The speed of the flange motor a and the opening and closing range of the feeding funnel shovel in each feeding channel can be controlled independently. With the closed-loop feedback of the quantitative module integrated on the feeding shovel, precise metering of dried fruits of different particle sizes and shapes, such as red dates, peanuts, longans, and walnuts, is achieved. The control system coordinates the actions of each channel according to the preset formula, and can support arbitrary combinations and synchronous feeding of 2 to 6 kinds of dried fruits, perfectly meeting the flexible production needs of diversified formula packaging.

[0134] This invention significantly enhances compatibility with kraft paper bags of different sizes through the design of multiple adaptive adjustment structures. The paper bag gripping mechanism uses a width-adaptive servo motor to drive the synchronous movement of the gripper assemblies on both sides, allowing for precise adjustment of the gripping distance. The bag feeding mechanism uses MOB cylinders to drive the four corner support plates to simultaneously retract, effectively organizing stacks of paper bags of varying widths. The paper bag opening mechanism is driven by a wide-type finger cylinder, with adjustable opening stroke. The synergistic effect of these mechanisms enables the device to stably adapt to mainstream kraft paper bags with widths of 220mm~300mm and heights of 180mm~350mm, effectively solving problems such as unstable gripping, incomplete opening, and filling misalignment caused by variations in paper bag size, significantly improving packaging quality and operational stability.

[0135] This invention uses a circular workbench a as the core transfer carrier, and compactly arranges functional modules such as the bag feeding mechanism, paper bag infeed and outfeed mechanism, paper bag opening mechanism, material feeding mechanism, air extraction mechanism, paper bag sealing mechanism, and paper bag labeling mechanism along the circumference. Compared with the traditional serial linear layout, this circular layout significantly reduces the equipment footprint, while realizing a working mode in which the paper bag clamping mechanism rotates continuously with the workbench and each station operates in parallel, effectively shortening the packaging cycle time and improving overall production efficiency.

[0136] This invention achieves fully automated and coordinated operation throughout the entire process, from bag feeding, bag transport, opening, quantitative feeding, material handling, air extraction, sealing to labeling, through the electrical connection of the control system with all mechanisms. In particular, the paper bag transport mechanism, driven by a double-sided cam, precisely aligns its movement trajectory with the opening position of the paper bag opening mechanism, ensuring that the material is smoothly fed into the bag without spillage. The air extraction mechanism removes excess air from the bag before sealing, making the packaging more compact, facilitating transportation and storage, and extending the shelf life of food. The top-and-bottom heat-sealing paper bag sealing mechanism ensures a strong and aesthetically pleasing seal.

[0137] In terms of economic benefits, the multi-specification compatible design of this invention eliminates the need for companies to purchase multiple dedicated machines for different product categories and specifications, reducing equipment investment costs per production line by more than 50%. Simultaneously, its flexible production capabilities help companies expand into high-value-added customized gift box products, significantly enhancing their market competitiveness. In terms of social benefits, the device is compatible with environmentally friendly kraft paper bag packaging, aligning with the greening and plastic reduction trends in the food packaging industry; the fully automated process reduces direct human contact with food, improving food hygiene and safety levels; and the modular structural design facilitates maintenance, extends equipment lifespan, and conforms to the resource-saving development concept. Attached Figure Description

[0138] Figure 1 This is a schematic diagram of the overall structure of a kraft paper food bag packaging production line for various dried fruits in an embodiment of the present invention;

[0139] Figure 2 This is a schematic diagram of the bag supply mechanism in an embodiment of the present invention;

[0140] Figure 3 This is a schematic diagram of the paper bag feeding suction cup mechanism in an embodiment of the present invention;

[0141] Figure 4 This is a schematic diagram of the paper bag conveying gripper mechanism in an embodiment of the present invention;

[0142] Figure 5 This is a schematic diagram of the paper bag clamping mechanism in an embodiment of the present invention;

[0143] Figure 6 This is a schematic diagram of the paper bag opening mechanism in an embodiment of the present invention;

[0144] Figure 7 This is a schematic diagram of the feeding mechanism in an embodiment of the present invention;

[0145] Figure 8 This is a schematic diagram of the paper bag feeding mechanism in an embodiment of the present invention;

[0146] Figure 9 This is a schematic diagram of the air extraction mechanism in an embodiment of the present invention;

[0147] Figure 10 This is a schematic diagram of the paper bag sealing mechanism in an embodiment of the present invention;

[0148] Figure 11 This is a schematic diagram of the tag storage and feeding mechanism in an embodiment of the present invention;

[0149] Figure 12 This is a schematic diagram of the label pasting mechanism in an embodiment of the present invention;

[0150] Figure 13 This is a schematic diagram of the supporting base in an embodiment of the present invention.

[0151] In the diagram: 1. Bag feeding mechanism; 1-1. Slide rail support rod; 1-2. Four-corner support rod; 1-3. Four-corner opening support guard plate; 1-4. Four-corner opening driven rod; 1-5. Linear guide rail d; 1-6. MOB cylinder; 1-7. Slide rail support rod support foot; 1-8. Paperboard lifting support; 1-9. Paperboard; 1-10. Linear guide rail slider e; 2. Paper bag in / out mechanism; 2-1. Guide rail bracket a; 2-2. Slider holder a; 2-3. Linear guide rail a; 2-4. Suction cup mounting plate; 2-5. Double cylinder a; 2-6. Cylinder mounting plate a; 2-7. Synchronous belt fixing plate a; 2-8. Limit rod a; 2-9. Guide rail limit block a; 2-10. Linear guide rail slider a; 2-11. Single-layer vacuum suction cup a 2-12. Suction cup mounting block; 2-13. Double-ended stud; 2-14. Guide rail bracket b; 2-15. Slider holder b; 2-16. Linear guide rail b; 2-17. Linear guide rail slider b; 2-18. Double cylinder b; 2-19. Cylinder mounting plate b; 2-20. Synchronous belt fixing plate b; 2-21. Limiting rod b; 2-22. Guide rail limiting block b; 2-23. Inner connecting rod of gripper; 2-24. Fixing profile; 2-25. Joint connecting rod; 2-26. Linear cylinder; 2-27. Cylinder fixing seat; 2-28. Rotary shaft fixing block; 2-29. Rotary shaft; 2-30. Flexible gripper; 2-31. Outer connecting rod of gripper; 2-32. Gripper mounting plate; 2-33. Gripper fixing plate; 2-34. Cylinder 3. Paper bag conveying mechanism; 3-1. Longitudinal guide arm mounting seat; 3-2. Longitudinal guide arm; 3-3. Transverse guide arm mounting seat; 3-4. Double cylinder c; 3-5. Double-sided cam; 3-6. Transverse guide arm; 3-7. Fixed slide table; 3-8. Spring; 3-9. Movable slide table; 3-10. Movable slide table limit block; 3-11. Longitudinal movable slide table; 3-12. Feeding shovel; 3-13. Quantitative module; 3-14. Mounting plate; 3-15. Support profile; 3-16. Flange motor b; 3-17. Feeding base plate; 3-18. Feeding push plate; 4. Discharge mechanism; 4-1. Discharge funnel shovel; 4-2. Funnel shovel connecting rod; 4-3. Gear connecting rod; 4-4. Discharge gear; 4-5. Funnel; 4-6. 4-7. Slide table cylinder; 4-8. Flange motor a; 4-9. Motor mounting plate; 5. Paper bag opening mechanism; 5-1. Single-layer vacuum suction cup b; 5-2. Suction cup bushing; 5-3. Equal-length double-ended stud; 5-4. Hex nut b; 5-5. Aluminum square tube; 5-6. Hex nut c; 5-7. Wide-type finger cylinder telescopic rod; 5-8. Hex nut d; 5-9. Wide-type finger cylinder; 5-10. Cylinder support plate; 5-11. Cylinder support plate bracket; 5-12. Cylinder support column; 5-13. Hex head bolt c; 5-14. Integral steel pipe flange c; 5-15. Hex nut e; 5-16. Screw; 6. Air extraction mechanism; 6-1. Air extraction channel; 6-2. Air extraction stroke plate.6-3. Hex head bolt a; 6-4. Integral steel pipe flange a; 6-5. Cylindrical conversion column; 6-6. Suction support rod; 6-7. Hex nut; 6-8. Cylinder support connecting plate; 6-9. Double cylinder d 7. Paper bag labeling mechanism; 7-1. Label storage rod active rod fixing component; 7-2. Label storage rod active rod; 7-3. Servo motor support reinforcement plate; 7-4. Servo motor reinforcement main plate; 7-5. Labeled storage rod passive rod; 7-6. Label baffle; 7-7. Narrow fixing rod base; 7-8. Wide fixing rod base; 7-9. Label storage main support rod; 7-10. Label baffle support plate; 7-11. Label baffle support reinforcement plate; 7-12. Label storage rod passive rod fixing component; 7-13. Label rod rotation active servo motor; 7-14. Motor transmission rod; 7-15. Right motor housing; 7-16. Left motor housing; 7-17. 7-18. Flange motor c; 7-19. Label storage plate; 7-20. Support lower plate; 7-21. Support bracket; 8. Paper bag clamping mechanism; 8-1. Paper bag clamping fixing plate; 8-2. Linear guide rail c; 8-3. Mechanical claw fixing plate; 8-4. Gripper servo; 8-5. Sector gear gripper; 8-6. Gripper finger sleeve; 8-7. L-shaped connecting plate; 8-8. Servo short link; 8-9. Gripper servo short swing arm; 8-10. Gripper connecting block; 8-11. Slider connecting block; 8-12. Servo long link; 8-13. Width adaptive servo; 8-14. Width adaptive servo swing arm; 8-15. Linear guide rail slider c 9. Conveyor belt; 10. Paper bag sealing mechanism; 10-1. Upper support; 10-2. Cylinder support conversion frame; 10-3. Upper soldering iron support; 10-4. Upper soldering iron; 10-5. Single-rod cylinder a; 10-6. Long cylinder support column; 10-7. Integral steel pipe flange b; 10-8. Hexagonal head bolt b; 10-9. Short cylinder support column; 10-10. Single-rod cylinder b; 10-11. Lower support; 10-12. Lower soldering iron support; 10-13. Lower soldering iron; 11. Circular worktable a; 12. Circular worktable b. Detailed Implementation

[0152] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0153] like Figures 1-13As shown, a kraft paper food bag packaging production line device for various dried fruits is arranged in sequence along the circumference of the circular workbench a11, including a bag feeding mechanism 1, a paper bag infeeding and outfeeding mechanism 2, a paper bag conveying mechanism 3, a feeding mechanism 4, a paper bag opening mechanism 5, an air extraction mechanism 6, a paper bag labeling mechanism 7, a paper bag clamping mechanism 8, a conveyor belt 9, and a paper bag sealing mechanism 10.

[0154] The paper bag clamping mechanism 8 has six parts, which are evenly distributed on the circular worktable a11 and are fixedly connected to the circular worktable a11. They rotate synchronously with the circular worktable a11 and are used to clamp and transfer paper bags.

[0155] The bag supply mechanism 1 is located on the entrance side of the circular workbench a11 and is used to store and lift paper bags to the bag picking station;

[0156] The paper bag infeeding and outfeeding mechanism 2 is located between the bag supply mechanism 1, the conveyor belt 9 and the circular worktable a11, and is used to transport the paper bags in the bag supply mechanism 1 to the clamping station and transfer the packaged paper bags to the conveyor belt 9.

[0157] The paper bag opening mechanism 5, the air extraction mechanism 6, the paper bag sealing mechanism 10, and the paper bag labeling mechanism 7 are fixedly installed on the outer periphery of the circular workbench a11, corresponding to the transfer trajectory of the paper bag clamping mechanism 8.

[0158] The feeding mechanism 4 is a multi-channel adjustable structure, fixedly installed above the paper bag opening mechanism 5, and is used for quantitative feeding of various dried fruits; the paper bag conveying mechanism 3 is connected between the feeding mechanism 4 and the paper bag opening mechanism 5, and is used to convey the dried fruits into the opened paper bag.

[0159] The conveyor belt 9 is located at the outlet of the circular workbench a11, and its input end is connected to the discharge station of the paper bag conveying mechanism 2 for outputting finished packaging bags.

[0160] The bag feeding mechanism 1, paper bag infeeding and outfeeding mechanism 2, paper bag clamping mechanism 8, paper bag opening mechanism 5, feeding mechanism 4, paper bag conveying mechanism 3, air extraction mechanism 6, paper bag sealing mechanism 10, paper bag labeling mechanism 7, circular worktable a11, circular worktable b12 and conveyor belt 9 are all electrically connected to the control system. The control system coordinates the timing of the actions to realize the automated mixed packaging of multiple types of dried fruits.

[0161] The bag feeding mechanism 1 includes a slide rail support rod 1-1, four corner support rods 1-2, four corner opening support guard plate 1-3, four corner opening driven rod 1-4, linear guide rail d1-5, MOB cylinder 1-6, slide rail support rod support foot 1-7, paperboard lifting support 1-8, paperboard 1-9, and linear guide rail slider e1-10.

[0162] The slide rail support rod 1-1 is vertically arranged, and its lower end is fixedly connected to the slide rail support rod foot 1-7; the linear guide rail d1-5 is fixedly installed on the slide rail support rod 1-1 and extends vertically.

[0163] The conveying plate 1-9 is horizontally arranged and fixedly connected to the linear guide slider e1-10 on the linear guide rail d1-5, and can slide vertically along the linear guide rail d1-5;

[0164] The paperboard lifting support 1-8 is fixedly connected to the bottom of the paperboard 1-9 and is connected to the linear guide rail slider e1-10 on the linear guide rail d1-5;

[0165] The four corner support rods 1-2 are provided in four positions, respectively located on the outer sides of the four corners of the cardboard 1-9. They are vertically arranged, with their lower ends fixedly connected to the upper ends and slidably connected to the four corner opening support guard plate 1-3.

[0166] The four-corner opening driven rods 1-4 are provided in eight parts and are hinged to the four-corner opening support guard plate 1-3;

[0167] The cylinder body of the MOB cylinder 1-6 is fixedly installed, and its telescopic rod is hinged to the lower end of the four corner support rods 1-2.

[0168] The four corner support rods 1-2 are connected by four corner opening driven rods 1-4 to achieve synchronous opening or closing.

[0169] The paper bag infeed and outfeed mechanism 2 includes a paper bag infeed suction cup mechanism and a paper bag outfeed gripper mechanism;

[0170] The paper bag feeding suction cup mechanism includes a guide rail bracket a2-1, a slider holder a2-2, a linear guide rail a2-3, a suction cup mounting plate 2-4, a double cylinder a2-5, a cylinder mounting plate a2-6, a synchronous belt fixing plate a2-7, a limiting rod a2-8, a guide rail limiting block a2-9, a linear guide rail slider a2-10, a single-layer vacuum suction cup a2-11, a suction cup mounting block 2-12, and a double-headed stud 2-13;

[0171] The guide rail bracket a2-1 serves as the load-bearing base; the linear guide rail a2-3 is fixedly installed on the guide rail bracket a2-1 and extends horizontally; the linear guide rail slider a2-10 is slidably disposed on the linear guide rail a2-3.

[0172] The slider holder a2-2 is fixedly installed on the guide rail bracket a2-1 and is used to connect the limiting rod a2-8 and the guide rail limiting block a2-9; the slider holder a2-2 and the guide rail limiting block a2-9 are set at both ends of the linear guide rail a2-3 and are used to limit the stroke of the linear guide rail slider a2-10.

[0173] The cylinder body of the double cylinder a2-5 is fixedly installed on the cylinder mounting plate a2-6, and its telescopic rod is set vertically downward.

[0174] The suction cup mounting plate 2-4 is fixedly connected to the telescopic rod of the double cylinder a2-5;

[0175] Two single-layer vacuum suction cups a2-11 are provided. The single-layer vacuum suction cups a2-11 are fastened to the suction cup mounting block 2-12 by passing through the double-headed studs 2-13 through the suction cup mounting block 2-12. The suction cup mounting block 2-12 is fixedly connected to the suction cup mounting plate 2-4.

[0176] The timing belt fixing plate a2-7 is fixedly connected to the cylinder mounting plate a2-6 for connecting an external drive device;

[0177] The paper bag conveying gripper mechanism includes a guide rail bracket b2-14, a slider holder b2-15, a linear guide rail b2-16, a linear guide rail slider b2-17, a double cylinder b2-18, a cylinder mounting plate b2-19, a timing belt fixing plate b2-20, a limiting rod b2-21, a guide rail limiting block b2-22, a gripper inner connecting rod 2-23, a fixing profile 2-24, a joint connecting rod 2-25, a linear cylinder 2-26, a cylinder fixing seat 2-27, a rotating shaft fixing block 2-28, a rotating shaft 2-29, a flexible gripper 2-30, a gripper outer connecting rod 2-31, a gripper mounting plate 2-32, a gripper fixing plate 2-33, and a cylinder connecting plate 2-34.

[0178] The guide rail bracket b2-14 serves as the load-bearing base; the linear guide rail b2-16 is fixedly installed on the guide rail bracket b2-14 and extends horizontally; the linear guide rail slider b2-17 is slidably disposed on the linear guide rail b2-16.

[0179] The slider holder b2-15 is fixedly installed on the guide rail bracket b2-14 and is used to connect the limiting rod b2-21 and the guide rail limiting block b2-22; the slider holder b2-15 and the guide rail limiting block b2-22 are set at both ends of the linear guide rail b2-16 and are used to limit the stroke of the linear guide rail slider b2-17.

[0180] The cylinder body of the double cylinder b2-18 is fixedly installed on the cylinder mounting plate b2-19, and its telescopic rod is set vertically downward; the telescopic rod of the double cylinder b2-18 is fixedly connected to the gripper mounting plate 2-32; the fixed profile 2-24 is fixedly connected to the gripper mounting plate 2-32.

[0181] The cylinder body of the linear cylinder 2-26 is fixedly mounted on the cylinder connecting plate 2-34 via the cylinder mounting seat 2-27;

[0182] The joint link 2-25 is hinged to the telescopic rod of the linear cylinder 2-26;

[0183] The inner connecting rod 2-23 and the outer connecting rod 2-31 of the gripper are respectively hinged to the joint connecting rod 2-25;

[0184] The flexible gripper 2-30 is fixedly connected to the gripper fixing plate 2-33; the rotating shaft 2-29 passes through the hinge point of the inner connecting rod 2-23 and the outer connecting rod 2-31 of the gripper, and is positioned and supported by the rotating shaft fixing block 2-28;

[0185] The gripper mounting plate 2-32 is fixed to the fixed profile 2-24, providing a mounting carrier for the flexible gripper 2-30;

[0186] The timing belt fixing plate b2-20 is fixedly connected to the cylinder mounting plate b2-19 for connecting an external drive device;

[0187] The paper bag clamping mechanism 8 includes a paper bag clamping fixing plate 8-1, a linear guide rail c8-2, a mechanical claw fixing plate 8-3, a claw servo motor 8-4, a sector gear claw 8-5, a claw finger sleeve 8-6, an L-shaped connecting plate 8-7, a servo motor short connecting rod 8-8, a claw servo motor short swing arm 8-9, a claw connecting block 8-10, a slider connecting block 8-11, a servo motor long connecting rod 8-12, a width adaptive servo motor 8-13, a width adaptive servo motor swing arm 8-14, and a linear guide rail slider c8-15.

[0188] The paper bag clamping and fixing plate 8-1 is fixedly connected to the circular worktable a11, serving as the mechanism mounting base;

[0189] Two linear guide rails c8-2 are provided and are fixedly installed in parallel on the paper bag clamping plate 8-1; there are two linear guide rail sliders c8-15, each of which is slidably set on one linear guide rail c8-2.

[0190] The mechanical claw fixing plate 8-3 is provided in two pieces, which are respectively fixedly connected to the L-shaped connecting plate 8-7 on the same side. The L-shaped connecting plate 8-7 is fixedly connected to the claw connecting block 8-10, and the claw connecting block 8-10 is fixedly connected to the linear guide slider c8-15.

[0191] The housing of the width adaptive servo motor 8-13 is fixedly installed on the paper bag clamping plate 8-1, and its output shaft is fixedly connected to the width adaptive servo motor swing arm 8-14.

[0192] One end of the servo long connecting rod 8-12 is hinged to the width adaptive servo swing arm 8-14, and the other end is hinged to the slider connecting block 8-11;

[0193] The slider connecting block 8-11 is fixedly installed on the gripper connecting block 8-10 on the same side;

[0194] The housing of the gripper servo motor 8-4 is fixedly installed on the mechanical gripper fixing plate 8-3, and its output shaft is fixedly connected to the gripper servo motor short swing arm 8-9.

[0195] One end of the servo short link 8-8 is hinged to the gripper servo short swing arm 8-9, and the other end is hinged to the sector gear gripper 8-5.

[0196] Two sector gear grippers 8-5 are provided and are mounted on the mechanical gripper fixing plate 8-3 via a rotating shaft. The sector teeth of the two sector gear grippers 8-5 mesh with each other.

[0197] The gripper finger sleeve 8-6 is fitted onto the gripping end of the sector gear gripper 8-5;

[0198] The width-adaptive servo motor 8-13 drives the two gripper assemblies on both sides to move synchronously through the long servo motor link 8-12, in order to adapt to paper bags of different widths; the gripper servo motor 8-4 drives the sector gear gripper 8-5 to rotate through the gripper servo motor short swing arm 8-9 and the servo motor short link 8-8, thereby realizing the gripping action.

[0199] The feeding mechanism 4 includes a feeding hopper shovel 4-1, a hopper shovel connecting rod 4-2, a gear connecting rod 4-3, a feeding gear 4-4, a hopper 4-5, a slide cylinder 4-6, a flange motor a 4-7, a motor mounting plate 4-8, and a motor gear 4-9.

[0200] The funnel 4-5 is fixedly installed on the telescopic rod of the slide cylinder 4-6, and its bottom is provided with a discharge port for storing dried fruit;

[0201] The feeding hopper shovel 4-1 is located at the discharge port of the hopper 4-5 and is used to control the opening and closing of the discharge port;

[0202] One end of the funnel shovel connecting rod 4-2 is fixedly connected to the material feeding funnel shovel 4-1;

[0203] One end of the gear connecting rod 4-3 is hinged to the other end of the funnel shovel connecting rod 4-2;

[0204] The feeding gear 4-4 is fixedly connected to the other end of the gear connecting rod 4-3, and is rotatably connected to the shell of the funnel 4-5;

[0205] The housing of the flange motor a4-7 is fixedly mounted on the funnel 4-5 via the motor mounting plate 4-8;

[0206] The motor gear 4-9 is fixedly connected to the output shaft of the flange motor a4-7 and meshes with the unloading gear 4-4 for transmission.

[0207] The cylinder body of the slide cylinder 4-6 is fixedly mounted on the circular worktable b12 and is used to adjust the overall movement stroke of the feeding mechanism 4.

[0208] The flange motor a4-7 drives the feeding gear 4-4 to rotate through the motor gear 4-9, which in turn drives the feeding hopper shovel 4-1 to swing, thus controlling the opening and closing of the feeding hopper.

[0209] The paper bag feeding mechanism 3 includes a longitudinal guide arm mounting base 3-1, a longitudinal guide arm 3-2, a transverse guide arm mounting base 3-3, a double cylinder c 3-4, a double-sided cam 3-5, a transverse guide arm 3-6, a fixed slide table 3-7, a spring 3-8, a movable slide table 3-9, a movable slide table limit block 3-10, a longitudinal movable slide table 3-11, a feeding shovel 3-12, a quantitative module 3-13, a mounting plate 3-14, a support profile 3-15, a flange motor b 3-16, a feeding base plate 3-17, and a feeding push plate 3-18;

[0210] The supporting profile 3-15 serves as the overall supporting frame for the paper bag conveying mechanism 3; the mounting plate 3-14 is fixedly mounted on the supporting profile 3-15;

[0211] The flange motor b3-16 is fixedly installed on the mounting plate 3-14, and its output shaft extends horizontally.

[0212] The double-sided cam 3-5 is connected to the output shaft of the flange motor b3-16 and rotates synchronously with the flange motor b3-16;

[0213] The transverse guide arm mounting base 3-3 is fixedly mounted on the mounting plate 3-14;

[0214] The first end of the transverse guide arm 3-6 is rotatably connected to the transverse guide arm mounting base 3-3, and its second end is in sliding contact with the first cam surface of the double-sided cam 3-5 to form a cam driven engagement.

[0215] The longitudinal guide arm mounting seat 3-1 is fixedly mounted on the mounting plate 3-14 and is located on one side of the transverse guide arm mounting seat 3-3;

[0216] The first end of the longitudinal guide arm 3-2 is rotatably connected to the longitudinal guide arm mounting base 3-1, and its second end is in sliding contact with the second cam surface of the double-sided cam 3-5 to form a cam driven engagement.

[0217] The fixed slide 3-7 is fixedly installed on the mounting plate 3-14 and extends in the horizontal direction;

[0218] The movable slide 3-9 is slidably mounted on the fixed slide 3-7;

[0219] The longitudinal movable slide 3-11 is slidably mounted on the movable slide limit block 3-10;

[0220] The spring 3-8 is disposed between the fixed slide 3-7 and the movable slide 3-9 and is used for the reset of the movable slide 3-9;

[0221] The movable slide limit block 3-10 is fixedly installed at the end of the movable slide 3-9 to limit the movement stroke of the movable slide 3-9.

[0222] The feeding shovel 3-12 is connected to the feeding base plate 3-17 and is slidably mounted on the longitudinal movable slide table 3-11 and the transverse guide arm 3-6.

[0223] The quantitative module 3-13 is fixedly installed between the feeding shovel 3-12 and the feeding base plate 3-17, and is used to feed back threshold signals;

[0224] The cylinder body of the double cylinder c3-4 is fixedly connected to the feeding shovel 3-12, and the end of the telescopic rod of the double cylinder c3-4 is connected to the feeding push plate 3-18. The telescopic action ensures that the feeding shovel 3-12 accurately feeds the material into the paper bag. The double-sided cam 3-5 drives the horizontal guide arm 3-6 and the vertical guide arm 3-2 to move in tandem, thereby driving the feeding shovel 3-12 to reciprocate and ensure the movement trajectory.

[0225] The air extraction mechanism 6 includes an air intake channel 6-1, an air intake stroke plate 6-2, a hexagonal head bolt a6-3, an integral steel pipe flange a6-4, a cylindrical conversion column 6-5, an air intake support rod 6-6, a cylinder support connecting plate 6-8, and a double cylinder d6-9.

[0226] The integral steel pipe flange a6-4 serves as the mounting base; the cylindrical conversion column 6-5 is fixedly installed on the integral steel pipe flange a6-4;

[0227] The air intake support rod 6-6 is provided in one vertical position, and its lower end is fixedly connected to the cylindrical conversion column 6-5;

[0228] The cylinder support connecting plate 6-8 is fixedly connected to the upper end of the intake support rod 6-6;

[0229] The cylinder body of the double cylinder d6-9 is fixedly installed on the cylinder support connecting plate 6-8, and its telescopic rod is set horizontally.

[0230] The intake stroke plate 6-2 is fixedly connected to the telescopic rod of the double cylinder d6-9;

[0231] The suction channel 6-1 is fixedly installed on the suction stroke plate 6-2. The suction channel 6-1 is a tubular structure and is used to be inserted into the paper bag for air extraction.

[0232] The cylinder support connecting plate 6-8 and the intake support rod 6-6 are fastened together by using hex head bolts a6-3 and hex nuts 6-7.

[0233] The paper bag sealing mechanism 10 includes an upper support 10-1, a cylinder support conversion frame 10-2, an upper soldering iron support 10-3, an upper soldering iron 10-4, a single-rod cylinder a 10-5, a long cylinder support column 10-6, an integral steel pipe flange b 10-7, a hexagonal head bolt b 10-8, a short cylinder support column 10-9, a single-rod cylinder b 10-10, a lower support 10-11, a lower soldering iron support 10-12, and a lower soldering iron 10-13;

[0234] The integral steel pipe flange b10-7 serves as the mounting base; the long cylinder support column 10-6 and the short cylinder support column 10-9 are vertically arranged, and their lower ends are fixedly connected to the integral steel pipe flange b10-7.

[0235] The cylinder body of the single-rod cylinder a10-5 is installed on the upper end of the long cylinder support column 10-6, and its telescopic rod is set vertically upward.

[0236] The upper support 10-1 is fixedly connected to the telescopic rod of the single-rod cylinder a10-5 via the cylinder support conversion frame 10-2;

[0237] The upper soldering iron bracket 10-3 is fixedly installed on the upper bracket 10-1; the upper soldering iron 10-4 is fixedly installed in the upper soldering iron bracket 10-3 with the heating end facing downward;

[0238] The cylinder body of the single-rod cylinder b10-10 is fixedly installed on the upper end of the short cylinder support column 10-9, and its telescopic rod is set vertically upward.

[0239] The lower support 10-11 is fixedly connected to the telescopic rod of the single-rod cylinder b10-10 via the cylinder support conversion frame 10-2; the lower soldering iron support 10-12 is fixedly installed on the lower support 10-11.

[0240] The lower soldering iron 10-13 is fixedly installed in the lower soldering iron bracket 10-12, with the heating end facing upward;

[0241] The paper bag labeling mechanism 7 includes a label storage and feeding mechanism, a label pasting mechanism, and a support base;

[0242] The label storage and feeding mechanism includes a label storage rod active rod fixing component 7-1, a label storage rod active rod 7-2, a servo motor support reinforcing plate 7-3, a servo motor reinforcing main plate 7-4, a labeled label storage rod passive rod 7-5, a label baffle 7-6, a narrow fixing rod base 7-7, a wide fixing rod base 7-8, a label storage main support rod 7-9, a label baffle support plate 7-10, a label baffle support reinforcing plate 7-11, a label storage rod passive rod fixing component 7-12, and a label rod rotation active servo motor 7-13;

[0243] The narrow fixing rod base 7-7 and the wide fixing rod base 7-8 are used to fix the main support rod 7-9 for storing label paper;

[0244] The housing of the active servo motor 7-13 for rotating the paper rod is fixedly installed on the servo motor support reinforcement plate 7-3;

[0245] The label storage rod active rod fixing component 7-1 is fixedly installed on the label storage main support rod 7-9 and is used to support both ends of the label storage rod active rod 7-2;

[0246] The active rod 7-2 of the label storage rod is fixedly connected to the output shaft of the active servo motor 7-13 for rotating the label rod, and is set horizontally.

[0247] The passive rod fixing component 7-12 of the label storage rod is fixedly installed on the main support rod 7-9 of the label storage rod, and the two ends of the passive rod 7-5 of the label storage rod are rotatably connected to the passive rod fixing component 7-12 of the label storage rod.

[0248] The servo motor support reinforcement plate 7-3 and the servo motor reinforcement main plate 7-4 are fixedly installed on the main support rod 7-9 for storing label paper;

[0249] The label baffle support plate 7-10 is fixedly installed on the side of the label baffle support reinforcement plate 7-11. The label baffle support reinforcement plate 7-11 is fixedly installed on the label storage main support rod 7-9 and is fixedly connected to the label baffle 7-6 to support and reinforce the label baffle 7-6.

[0250] The label pasting mechanism includes a motor drive rod 7-14, a right motor housing 7-15, a left motor housing 7-16, a flange motor c7-17, and a label storage plate 7-18;

[0251] The motor drive rod 7-14 is fixedly connected to the output shaft of the flange motor c7-17;

[0252] The right motor housing 7-15 and the left motor housing 7-16 are symmetrically arranged and fixedly installed on the outside of the housing of the flange motor c7-17;

[0253] The label storage plate 7-18 is fixedly connected to the motor drive rod 7-14, and is used to temporarily store the label and rotate and press it down under the drive of the motor to stick the label onto the packaging bag;

[0254] The support base includes a lower support plate 7-19 and a support bracket 7-20;

[0255] The lower support plate 7-19 serves as the bottom support base; the support bracket 7-20 is vertically arranged, with its upper end fixedly connected to the lower support plate 7-19, and the upper end of the lower support plate 7-19 is fixedly connected to the right motor housing 7-15 and the left motor housing 7-16 of the label pasting mechanism.

[0256] The paper bag opening mechanism 5 includes a single-layer vacuum suction cup b5-1, a suction cup bushing 5-2, an equal-length double-headed stud 5-3, a hexagonal nut b5-4, an aluminum square tube 5-5, a hexagonal nut c5-6, a wide-type finger cylinder telescopic rod 5-7, a hexagonal nut d5-8, a wide-type finger cylinder 5-9, a cylinder support plate 5-10, a cylinder support plate seat 5-11, a cylinder support column 5-12, a hexagonal head bolt c5-13, an integral steel pipe flange c5-14, a hexagonal nut e5-15, and a screw 5-16;

[0257] The integral steel pipe flange c5-14 serves as the mounting base; the cylinder support column 5-12 is vertically installed, and its lower end is fixedly connected to the integral steel pipe flange c5-14.

[0258] The cylinder support plate holder 5-11 is fixedly installed on the upper end of the cylinder support column 5-12; the cylinder support plate 5-10 is fixedly connected to the cylinder support plate holder 5-11.

[0259] The wide-type finger cylinder 5-9 is fixedly installed on the cylinder support plate 5-10; the wide-type finger cylinder telescopic rod 5-7 is connected to the extended end of the wide-type finger cylinder 5-9 and is set horizontally.

[0260] The aluminum square tube 5-5 is fastened to the end of the wide finger cylinder telescopic rod 5-7 by screw 5-16, hexagonal nut c5-6 and hexagonal nut e5-15, and is set horizontally;

[0261] The equal-length double-ended stud 5-3 passes through the end of the aluminum square tube 5-5; the hexagonal nut b5-4 cooperates with the equal-length double-ended stud 5-3 and is fastened to the aluminum square tube 5-5;

[0262] The suction cup bushing 5-2 is fixedly installed at the end of the aluminum square tube 5-5; the single-layer vacuum suction cup b5-1 is installed on the suction cup bushing 5-2 and is used to adsorb the edge of the paper bag; the hexagonal nut d5-8 is set at the connection between the wide-type finger cylinder 5-9 and the wide-type finger cylinder telescopic rod 5-7 and is used to fasten the connection.

[0263] Example 1

[0264] Taking the "Early Birth of a Son" mixed packaging of four dried fruits—red dates, peanuts, longan, and lotus seeds—as an example, the automated packaging operation is carried out using the kraft paper food bag packaging production line device for multiple dried fruits described in this invention. The working process is as follows:

[0265] I. Bag supply and bag retrieval;

[0266] In the bag feeding mechanism 1, the MOB cylinder 1-6 extends, driving the four corner support rods 1-2 and the four corner opening driven rods 1-4 to open, allowing the manual placement of the kraft paper bag onto the conveyor plate 1-9; the cylinder retracts, and the four corner support rods 1-2 close and position the paper bag. The double cylinder a2-5 of the paper bag conveying suction cup mechanism extends, and the single-layer vacuum suction cup a2-11 adsorbs the paper bag. The cylinder retracts, lifting the paper bag, and the synchronous belt drives the motion slide to move along the linear guide rail a2-3, transferring the paper bag to the clamping station.

[0267] II. Clamping and Transfer;

[0268] In the paper bag clamping mechanism 8, the width adaptive servo motor 8-13 drives the long servo motor connecting rod 8-12, causing the sliders c8-15 on both sides of the linear guide rail to move along the linear guide rail c8-2, adjusting the distance between the grippers on both sides to adapt to the current width of the paper bag. The gripper servo motor 8-4 drives the gripper servo motor short swing arm 8-9 and the servo motor short connecting rod 8-8, causing the sector gear gripper 8-5 to rotate, and the gripper finger sleeves 8-6 clamp the paper bag. The paper bag clamping mechanism 8 rotates with the circular worktable a11, passing through each station in sequence.

[0269] 3. Stretch the opening;

[0270] When the paper bag is moved to the opening position, the paper bag opening mechanism 5 is activated. The wide-type finger cylinder 5-9 drives the wide-type finger cylinder telescopic rod 5-7 to retract, which in turn moves the aluminum square tube 5-5 and the single-layer vacuum suction cup b5-1 to the opening of the paper bag. After the single-layer vacuum suction cup b5-1 adsorbs the edge of the paper bag, the cylinder telescopic rod extends and opens the opening of the paper bag.

[0271] IV. Material feeding and quantity measurement;

[0272] The feeding mechanism 4 has four independent channels, corresponding to red dates, peanuts, longan, and lotus seeds respectively. The corresponding dried fruit is stored in the funnels 4-5 of each channel. The control system issues quantitative targets to each channel according to the preset proportions of 200g of red dates, 300g of peanuts, 150g of longan, and 150g of lotus seeds.

[0273] Each channel flange motor a4-7 starts, and the motor gear 4-9 drives the feeding gear 4-4 to rotate. Through the gear connecting rod 4-3 and the funnel shovel connecting rod 4-2, the feeding funnel shovel 4-1 swings, opening the discharge port to start feeding. The fed dried fruit falls into the feeding shovel 3-12 of the paper bag conveying mechanism 3.

[0274] The quantitative module 3-13 collects the weight of dried fruit in the feeding shovel 3-12 in real time and feeds the data back to the control system. When the weight in a certain channel reaches a preset threshold, the control system issues a command, the slide cylinder 4-6 actuates, the flange motor a4-7 reverses, and the feeding funnel shovel 4-1 closes, terminating the feeding in that channel. Each channel completes quantitative preparation in sequence.

[0275] 5. Feeding;

[0276] After each channel completes its quantitative measurement, the flange motor b3-16 of the paper bag feeding mechanism 3 starts, driving the double-sided cam 3-5 to rotate. The double-sided cam 3-5 drives the transverse guide arm 3-6 and the longitudinal guide arm 3-2 in conjunction, causing the movable slide table 3-9 and the longitudinal movable slide table 3-11 to move, so that the feeding shovel 3-12 moves to the paper bag opening position in a compound motion trajectory. The double cylinder c3-4 extends, pushing the dried fruit in the feeding shovel 3-12 into the opened paper bag.

[0277] VI. Vacuuming and sealing;

[0278] After filling, the paper bag is transferred to station 6 of the air extraction and sealing mechanism. The double cylinder d6-9 extends, pushing the suction plate 6-2 and suction channel 6-1 into the paper bag for air extraction. After the extraction process, the single-rod cylinder a10-5 retracts, driving the upper support 10-1 and upper soldering iron 10-4 downwards, while the single-rod cylinder b10-10 extends, driving the lower support 10-11 and lower soldering iron 10-13 upwards. The upper soldering iron 10-4 and lower soldering iron 10-13 then close together for heating and sealing. After sealing, the cylinders reset, and the upper and lower soldering irons separate.

[0279] 7. Affixing labels;

[0280] After sealing, the paper bag is transferred to station 7 of the paper bag labeling mechanism. The label bar rotation drive motor 7-13 drives the label storage rod drive rod 7-2 to rotate, conveying the label to the label baffle 7-6 for positioning. The flange motor c7-17 starts, driving the motor transmission rod 7-14 to rotate and press down the label temporary storage plate 7-18, affixing the label to the surface of the paper bag. After labeling, the flange motor c7-17 reverses, and the label temporary storage plate 7-18 resets.

[0281] 8. Transporting out;

[0282] The packaged paper bags are transferred to the exit station along with the workbench. The double cylinder b2-18 of the paper bag ejection gripper mechanism extends, and the linear cylinder 2-26 drives the flexible gripper 2-30 to close and clamp the paper bag; the double cylinder b2-18 retracts to lift the paper bag, and the motion slide moves along the linear guide b2-16 to above the conveyor belt 9; the double cylinder b2-18 extends, the linear cylinder 2-26 retracts, the flexible gripper 2-30 opens to release the paper bag, and the finished packaged bag falls onto the conveyor belt 9 for ejection.

Claims

1. A production line device for packaging various dried fruits in kraft paper food bags, characterized in that, The following components are arranged sequentially along the circumference of the circular workbench a (11): bag feeding mechanism (1), paper bag infeeding and outfeeding mechanism (2), paper bag material conveying mechanism (3), unloading mechanism (4), paper bag opening mechanism (5), air extraction mechanism (6), paper bag labeling mechanism (7), paper bag clamping mechanism (8), conveyor belt (9), and paper bag sealing mechanism (10). The paper bag clamping mechanism (8) is provided in multiple ways, which are evenly distributed on the circular worktable a (11) and rotate synchronously with it; The bag feeding mechanism (1) is located on the entrance side of the circular workbench a (11); The paper bag infeeding and outfeeding mechanism (2) is located between the bag supply mechanism (1), the conveyor belt (9) and the circular worktable a (11); The paper bag opening mechanism (5), the air extraction mechanism (6), the paper bag sealing mechanism (10), and the paper bag labeling mechanism (7) are fixed on the outer periphery of the circular workbench a (11) and correspond to the transfer trajectory of the paper bag clamping mechanism (8); The feeding mechanism (4) is installed above the paper bag conveying mechanism (3); the paper bag conveying mechanism (3) is connected between the feeding mechanism (4) and the paper bag opening mechanism (5); The conveyor belt (9) is located at the outlet of the circular workbench a (11), and its input end is connected to the discharge station of the paper bag conveying and discharging mechanism (2). Each mechanism and circular workbench a (11) and circular workbench b (12) are electrically connected to the control system to coordinate the timing of actions and realize the automated mixed packaging of multiple types of dried fruits. The paper bag feeding mechanism (3) includes a longitudinal guide arm mounting seat (3-1), a longitudinal guide arm (3-2), a transverse guide arm mounting seat (3-3), a double cylinder c (3-4), a double-sided cam (3-5), a transverse guide arm (3-6), a fixed slide (3-7), a spring (3-8), a movable slide (3-9), a movable slide limit block (3-10), a longitudinal movable slide (3-11), a feeding shovel (3-12), a quantitative module (3-13), a mounting plate (3-14), a support profile (3-15), a flange motor b (3-16), a feeding base plate (3-17), and a feeding push plate (3-18). The supporting profile (3-15) serves as the overall supporting frame for the paper bag conveying mechanism (3); the mounting plate (3-14) is fixedly mounted on the supporting profile (3-15); The flange motor b (3-16) is fixedly installed on the mounting plate (3-14), and its output shaft extends horizontally. The double-sided cam (3-5) is connected to the output shaft of the flange motor b (3-16) and rotates synchronously with the flange motor b (3-16); The transverse guide arm mounting base (3-3) is fixedly mounted on the mounting plate (3-14); The first end of the transverse guide arm (3-6) is rotatably connected to the transverse guide arm mounting base (3-3), and its second end is in sliding contact with the first cam surface of the double-sided cam (3-5) to form a cam driven engagement. The longitudinal guide arm mounting seat (3-1) is fixedly mounted on the mounting plate (3-14) and located on one side of the transverse guide arm mounting seat (3-3); The first end of the longitudinal guide arm (3-2) is rotatably connected to the longitudinal guide arm mounting base (3-1), and its second end is in sliding contact with the second cam surface of the double-sided cam (3-5) to form a cam driven engagement. The fixed slide (3-7) is fixedly installed on the mounting plate (3-14) and extends in the horizontal direction; The movable slide (3-9) is slidably mounted on the fixed slide (3-7); The longitudinal movable slide (3-11) is slidably mounted on the movable slide limit block (3-10); The spring (3-8) is disposed between the fixed slide (3-7) and the movable slide (3-9) for resetting the movable slide (3-9); The movable slide limit block (3-10) is fixedly installed at the end of the movable slide (3-9) to limit the movement stroke of the movable slide (3-9); The feeding shovel (3-12) is connected to the feeding base plate (3-17) and is slidably mounted on the longitudinal movable slide (3-11) and the transverse guide arm (3-6); The quantitative module (3-13) is fixedly installed between the feeding shovel (3-12) and the feeding base plate (3-17) and is used to feed back the threshold signal; The cylinder body of the double cylinder c (3-4) is fixedly connected to the feeding shovel (3-12), and the end of the telescopic rod of the double cylinder c (3-4) is connected to the feeding push plate (3-18). The telescopic action ensures that the feeding shovel (3-12) accurately feeds the material into the paper bag. The double-sided cam (3-5) drives the horizontal guide arm (3-6) and the vertical guide arm (3-2) to move in linkage, thereby driving the feeding shovel (3-12) to reciprocate and ensure the movement trajectory.

2. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The bag feeding mechanism (1) includes a slide rail support rod (1-1), four corner support rods (1-2), four corner opening support guard plate (1-3), four corner opening driven rod (1-4), linear guide rail d (1-5), MOB cylinder (1-6), slide rail support rod support foot (1-7), paperboard lifting support (1-8), paperboard (1-9), and linear guide rail slider e (1-10). The slide rail support rod (1-1) is vertically arranged, and its lower end is fixedly connected to the slide rail support rod foot (1-7); the linear guide rail d (1-5) is fixedly installed on the slide rail support rod (1-1) and extends vertically; The conveying plate (1-9) is horizontally arranged and fixedly connected to the linear guide slider e (1-10) on the linear guide d (1-5), and can slide vertically along the linear guide d (1-5); The paperboard lifting support (1-8) is fixedly connected to the bottom of the paperboard (1-9) and connected to the linear guide rail slider e (1-10) on the linear guide rail d (1-5); The four corner support rods (1-2) are provided in four directions, respectively set on the outer sides of the four corners of the cardboard (1-9), and are set vertically. The lower end of the four corner support rods (1-2) is fixedly connected, and the upper end of the four corner support rods (1-2) is slidably connected to the four corner opening support guard plate (1-3). The four-corner opening driven rods (1-4) are provided in eight parts, and are hinged to the four-corner opening support guard plate (1-3); The cylinder body of the MOB cylinder (1-6) is fixedly installed, and its telescopic rod is hinged to the lower end of the four corner support rods (1-2). The four corner support rods (1-2) are connected by four corner opening driven rods (1-4) to achieve synchronous opening or closing.

3. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The paper bag infeeding and outfeeding mechanism (2) includes a paper bag infeeding suction cup mechanism and a paper bag outfeeding gripper mechanism; The paper bag feeding suction cup mechanism includes a guide rail bracket a (2-1), a slider holder a (2-2), a linear guide rail a (2-3), a suction cup mounting plate (2-4), a double cylinder a (2-5), a cylinder mounting plate a (2-6), a timing belt fixing plate a (2-7), a limiting rod a (2-8), a guide rail limiting block a (2-9), a linear guide rail slider a (2-10), a single-layer vacuum suction cup a (2-11), a suction cup mounting block (2-12), and a double-headed stud (2-13). The guide rail bracket a (2-1) serves as the load-bearing base; the linear guide rail a (2-3) is fixedly installed on the guide rail bracket a (2-1) and extends horizontally; the linear guide rail slider a (2-10) is slidably disposed on the linear guide rail a (2-3); The slider holder a (2-2) is fixedly installed on the guide rail bracket a (2-1) and is used to connect the limiting rod a (2-8) and the guide rail limiting block a (2-9); the slider holder a (2-2) and the guide rail limiting block a (2-9) are set at both ends of the linear guide rail a (2-3) and are used to limit the stroke of the linear guide rail slider a (2-10); The cylinder body of the double cylinder a (2-5) is fixedly installed on the cylinder mounting plate a (2-6), and its telescopic rod is set vertically downward; The suction cup mounting plate (2-4) is fixedly connected to the telescopic rod of the double cylinder a (2-5); Two single-layer vacuum suction cups a (2-11) are provided. The single-layer vacuum suction cups a (2-11) are fastened to the suction cup mounting block (2-12) by passing through the suction cup mounting block (2-12) with double-headed studs (2-13); the suction cup mounting block (2-12) is fixedly connected to the suction cup mounting plate (2-4); The timing belt fixing plate a (2-7) is fixedly connected to the cylinder mounting plate a (2-6) for connecting an external drive device; The paper bag conveying gripper mechanism includes a guide rail bracket b (2-14), a slider seat b (2-15), a linear guide rail b (2-16), a linear guide rail slider b (2-17), a double cylinder b (2-18), a cylinder mounting plate b (2-19), a timing belt fixing plate b (2-20), a limit rod b (2-21), a guide rail limit block b (2-22), a gripper inner connecting rod (2-23), a fixing profile (2-24), a joint connecting rod (2-25), a linear cylinder (2-26), a cylinder fixing seat (2-27), a rotating shaft fixing block (2-28), a rotating shaft (2-29), a flexible gripper (2-30), a gripper outer connecting rod (2-31), a gripper mounting plate (2-32), a gripper fixing plate (2-33), and a cylinder connecting plate (2-34). The guide rail bracket b (2-14) serves as the load-bearing base; the linear guide rail b (2-16) is fixedly installed on the guide rail bracket b (2-14) and extends horizontally; the linear guide rail slider b (2-17) is slidably disposed on the linear guide rail b (2-16); The slider holder b (2-15) is fixedly installed on the guide rail bracket b (2-14) and is used to connect the limiting rod b (2-21) and the guide rail limiting block b (2-22); the slider holder b (2-15) and the guide rail limiting block b (2-22) are set at both ends of the linear guide rail b (2-16) and are used to limit the stroke of the linear guide rail slider b (2-17); The cylinder body of the double cylinder b (2-18) is fixedly installed on the cylinder mounting plate b (2-19), and its telescopic rod is set vertically downward; the telescopic rod of the double cylinder b (2-18) is fixedly connected to the gripper mounting plate (2-32); the fixed profile (2-24) is fixedly connected to the gripper mounting plate (2-32); The cylinder body of the linear cylinder (2-26) is fixedly mounted on the cylinder connecting plate (2-34) via the cylinder mounting seat (2-27); The joint link (2-25) is hinged to the telescopic rod of the linear cylinder (2-26); The inner connecting rod (2-23) and the outer connecting rod (2-31) of the gripper are respectively hinged to the joint connecting rod (2-25); The flexible gripper (2-30) is fixedly connected to the gripper fixing plate (2-33); the rotating shaft (2-29) passes through the hinge point of the inner connecting rod (2-23) and the outer connecting rod (2-31) of the gripper, and is positioned and supported by the rotating shaft fixing block (2-28); The gripper mounting plate (2-32) is fixed to the fixed profile (2-24) to provide a mounting carrier for the flexible gripper (2-30); The timing belt fixing plate b (2-20) is fixedly connected to the cylinder mounting plate b (2-19) for connecting an external drive device.

4. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The paper bag clamping mechanism (8) includes a paper bag clamping fixing plate (8-1), a linear guide rail c (8-2), a mechanical claw fixing plate (8-3), a claw servo motor (8-4), a sector gear claw (8-5), a claw finger sleeve (8-6), an L-shaped connecting plate (8-7), a servo motor short connecting rod (8-8), a claw servo motor short swing arm (8-9), a claw connecting block (8-10), a slider connecting block (8-11), a servo motor long connecting rod (8-12), a width adaptive servo motor (8-13), a width adaptive servo motor swing arm (8-14), and a linear guide rail slider c (8-15). The paper bag clamping and fixing plate (8-1) is fixedly connected to the circular worktable a (11) as the mechanism mounting base; Two linear guide rails c (8-2) are provided and are fixedly installed in parallel on the paper bag clamping plate (8-1); there are two linear guide rail sliders c (8-15), each of which is slidably set on one linear guide rail c (8-2); The mechanical claw fixing plate (8-3) has two pieces, which are fixedly connected to the L-shaped connecting plate (8-7) on the same side respectively. The L-shaped connecting plate (8-7) is fixedly connected to the gripper connecting block (8-10), and the gripper connecting block (8-10) is fixedly connected to the linear guide slider c (8-15). The housing of the width adaptive servo (8-13) is fixedly mounted on the paper bag clamping plate (8-1), and its output shaft is fixedly connected to the width adaptive servo swing arm (8-14). One end of the servo long connecting rod (8-12) is hinged to the width adaptive servo swing arm (8-14), and the other end is hinged to the slider connecting block (8-11); The slider connecting block (8-11) is fixedly installed on the gripper connecting block (8-10) on the same side; The housing of the gripper servo motor (8-4) is fixedly mounted on the mechanical gripper fixing plate (8-3), and its output shaft is fixedly connected to the gripper servo motor short swing arm (8-9). One end of the servo short link (8-8) is hinged to the gripper servo short swing arm (8-9), and the other end is hinged to the sector gear gripper (8-5); Two sector gear grippers (8-5) are provided and are mounted on the mechanical gripper fixing plate (8-3) via a rotating shaft. The sector teeth of the two sector gear grippers (8-5) mesh with each other. The gripper finger sleeve (8-6) is fitted onto the gripping end of the sector gear gripper (8-5); The width-adaptive servo motor (8-13) drives the two gripper assemblies to move synchronously through the long servo motor link (8-12) to adapt to paper bags of different widths; the gripper servo motor (8-4) drives the sector gear gripper (8-5) to rotate through the gripper servo motor short swing arm (8-9) and the servo motor short link (8-8) to realize the gripping action.

5. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The feeding mechanism (4) is a multi-channel adjustable structure, including a feeding hopper shovel (4-1), a hopper shovel connecting rod (4-2), a gear connecting rod (4-3), a feeding gear (4-4), a hopper (4-5), a slide cylinder (4-6), a flange motor a (4-7), a motor mounting plate (4-8), and a motor gear (4-9). The funnel (4-5) is fixedly installed on the telescopic rod of the slide cylinder (4-6), and its bottom is provided with a discharge port for storing dried fruit; The feeding hopper shovel (4-1) is located at the discharge port of the hopper (4-5) and is used to control the opening and closing of the discharge port; One end of the funnel shovel connecting rod (4-2) is fixedly connected to the material feeding funnel shovel (4-1); One end of the gear connecting rod (4-3) is hinged to the other end of the funnel shovel connecting rod (4-2); The feeding gear (4-4) is fixedly connected to the other end of the gear connecting rod (4-3) and rotatably connected to the shell of the funnel (4-5); The housing of the flange motor a (4-7) is fixedly mounted on the funnel (4-5) via the motor mounting plate (4-8); The motor gear (4-9) is fixedly connected to the output shaft of the flange motor a (4-7) and meshes with the unloading gear (4-4) for transmission; The cylinder body of the slide cylinder (4-6) is fixedly installed on the circular worktable b (12) to adjust the overall movement stroke of the feeding mechanism (4); The flange motor a (4-7) drives the feeding gear (4-4) to rotate through the motor gear (4-9), which in turn drives the feeding hopper shovel (4-1) to swing, thus controlling the opening and closing of the feeding mechanism.

6. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The suction mechanism (6) includes a suction channel (6-1), a suction stroke plate (6-2), a hexagonal head bolt a (6-3), an integral steel pipe flange a (6-4), a cylindrical conversion column (6-5), a suction support rod (6-6), a cylinder support connecting plate (6-8), and a double cylinder d (6-9). The integral steel pipe flange a (6-4) serves as the mounting base; the cylindrical conversion column (6-5) is fixedly installed on the integral steel pipe flange a (6-4); The suction support rod (6-6) is provided in one vertical position, and its lower end is fixedly connected to the cylindrical conversion column (6-5); The cylinder support connecting plate (6-8) is fixedly connected to the upper end of the intake support rod (6-6); The cylinder body of the double cylinder d (6-9) is fixedly installed on the cylinder support connecting plate (6-8), and its telescopic rod is set horizontally; The intake stroke plate (6-2) is fixedly connected to the telescopic rod of the double cylinder d (6-9); The suction channel (6-1) is fixedly installed on the suction stroke plate (6-2). The suction channel (6-1) is a tubular structure used to insert into the inside of the paper bag for air extraction. The cylinder support connecting plate (6-8) and the intake support rod (6-6) are fastened together by using hex head bolts a (6-3) and hex nuts (6-7).

7. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The paper bag sealing mechanism (10) includes an upper bracket (10-1), a cylinder bracket conversion frame (10-2), an upper soldering iron bracket (10-3), an upper soldering iron (10-4), a single-rod cylinder a (10-5), a long cylinder support column (10-6), an integral steel pipe flange b (10-7), a hexagonal head bolt b (10-8), a short cylinder support column (10-9), a single-rod cylinder b (10-10), a lower bracket (10-11), a lower soldering iron bracket (10-12), and a lower soldering iron (10-13). The integral steel pipe flange b (10-7) serves as the mounting base; the long cylinder support column (10-6) and the short cylinder support column (10-9) are vertically arranged, and their lower ends are fixedly connected to the integral steel pipe flange b (10-7); The cylinder body of the single-rod cylinder a (10-5) is installed on the upper end of the long cylinder support column (10-6), and its telescopic rod is set vertically upward. The upper bracket (10-1) is fixedly connected to the telescopic rod of the single-rod cylinder a (10-5) via the cylinder bracket conversion frame (10-2); The upper soldering iron bracket (10-3) is fixedly installed on the upper bracket (10-1); the upper soldering iron (10-4) is fixedly installed in the upper soldering iron bracket (10-3) with the heating end facing downward; The cylinder body of the single-rod cylinder b (10-10) is fixedly installed on the upper end of the short cylinder support column (10-9), and its telescopic rod is set vertically upward; The lower support (10-11) is fixedly connected to the telescopic rod of the single-rod cylinder b (10-10) via the cylinder support conversion frame (10-2); the lower soldering iron support (10-12) is fixedly installed on the lower support (10-11); The lower soldering iron (10-13) is fixedly installed in the lower soldering iron bracket (10-12), with the heating end facing upward.

8. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The paper bag labeling mechanism (7) includes a label storage and feeding mechanism, a label pasting mechanism, and a support base; The label storage and feeding mechanism includes a label storage rod active rod fixing component (7-1), a label storage rod active rod (7-2), a servo motor support reinforcement plate (7-3), a servo motor reinforcement main plate (7-4), a label-attached label storage rod passive rod (7-5), a label baffle (7-6), a narrow fixing rod base (7-7), a wide fixing rod base (7-8), a label storage main support rod (7-9), a label baffle support plate (7-10), a label baffle support reinforcement plate (7-11), a label storage rod passive rod fixing component (7-12), and a label rod rotation active servo motor (7-13). The narrow fixing rod base (7-7) and the wide fixing rod base (7-8) are used to fix the main support rod (7-9) for storing the label paper. The housing of the active servo motor (7-13) for rotating the paper rod is fixedly installed on the servo motor support reinforcement plate (7-3). The label storage rod active rod fixing component (7-1) is fixedly installed on the label storage main support rod (7-9) and is used to support both ends of the label storage rod active rod (7-2); The active rod (7-2) of the label storage rod is fixedly connected to the output shaft of the active servo motor (7-13) for rotating the label rod, and is set horizontally; The passive rod fixing component (7-12) of the label storage rod is fixedly installed on the main support rod (7-9) of the label storage rod, and the two ends of the passive rod (7-5) of the label storage rod are rotatably connected to the passive rod fixing component (7-12) of the label storage rod; The servo motor support reinforcement plate (7-3) and the servo motor reinforcement main plate (7-4) are fixedly installed on the main support rod (7-9) for storing the label. The label baffle support plate (7-10) is fixedly installed on the side of the label baffle support reinforcement plate (7-11). The label baffle support reinforcement plate (7-11) is fixedly installed on the label storage main support rod (7-9) and fixedly connected to the label baffle (7-6) to support and reinforce the label baffle (7-6). The label pasting mechanism includes a motor drive rod (7-14), a right motor housing (7-15), a left motor housing (7-16), a flange motor (7-17), and a label storage plate (7-18). The motor drive rod (7-14) is fixedly connected to the output shaft of the flange motor c (7-17); The right motor housing (7-15) and the left motor housing (7-16) are symmetrically arranged and fixedly installed on the outside of the housing of the flange motor c (7-17); The label storage plate (7-18) is fixedly connected to the motor drive rod (7-14) and is used to temporarily store the label and rotate and press it down under the drive of the motor to stick the label on the packaging bag; The support base includes a lower support plate (7-19) and a support bracket (7-20). The lower support plate (7-19) serves as the bottom support base; the support bracket (7-20) is vertically arranged, with its upper end fixedly connected to the lower support plate (7-19), and the upper end of the lower support plate (7-19) is fixedly connected to the right motor housing (7-15) and the left motor housing (7-16) of the label pasting mechanism.

9. The kraft paper food bag packaging production line device for various dried fruits according to claim 1, characterized in that, The paper bag opening mechanism (5) includes a single-layer vacuum suction cup b (5-1), a suction cup bushing (5-2), an equal-length double-headed stud (5-3), a hexagonal nut b (5-4), an aluminum square tube (5-5), a hexagonal nut c (5-6), a wide-type finger cylinder telescopic rod (5-7), a hexagonal nut d (5-8), a wide-type finger cylinder (5-9), a cylinder support plate (5-10), a cylinder support plate seat (5-11), a cylinder support column (5-12), a hexagonal head bolt c (5-13), an integral steel pipe flange c (5-14), a hexagonal nut e (5-15), and a screw (5-16). The integral steel pipe flange c (5-14) serves as the mounting base; the cylinder support column (5-12) is vertically arranged, and its lower end is fixedly connected to the integral steel pipe flange c (5-14); The cylinder support plate holder (5-11) is fixedly installed on the upper end of the cylinder support column (5-12); the cylinder support plate (5-10) is fixedly connected to the cylinder support plate holder (5-11). The wide-type finger cylinder (5-9) is fixedly installed on the cylinder support plate (5-10); the wide-type finger cylinder telescopic rod (5-7) is connected to the extended end of the wide-type finger cylinder (5-9) and is set horizontally; The aluminum square tube (5-5) is fastened to the end of the wide-type finger cylinder telescopic rod (5-7) by means of a screw (5-16), a hexagonal nut c (5-6) and a hexagonal nut e (5-15), and is set horizontally; The equal-length double-ended stud (5-3) passes through the end of the aluminum square tube (5-5); the hexagonal nut b (5-4) cooperates with the equal-length double-ended stud (5-3) and is fastened to the aluminum square tube (5-5); The suction cup bushing (5-2) is fixedly installed at the end of the aluminum square tube (5-5); the single-layer vacuum suction cup b (5-1) is installed on the suction cup bushing (5-2) and is used to adsorb the edge of the paper bag; the hexagonal nut d (5-8) is set at the connection between the wide-type finger cylinder (5-9) and the wide-type finger cylinder telescopic rod (5-7) for fastening the connection.

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