Clean packing line and packing method

Abstract

The invention discloses a cleaning and packing line and a packing method. The top surface of a cleaning device sliding table of a cleaning assembly on the packing line is suitable for bearing a screen and horizontally sliding, a dust-free cloth feeding mechanism tensions dust-free cloth above a sliding path of the cleaning device sliding table, and a wiping head downwards presses the dust-free cloth to the top surface of the cleaning device sliding table and can horizontally reciprocate; screens on a cleaning device sliding table are grabbed and placed into material trays through a screen grabber of the tray loading assembly, and the material trays are grabbed, placed and transferred through a material tray grabber so that the multiple material trays can be stacked. The packaging assembly is used for releasing and winding a packaging film on the periphery of the stacked trays; and the bagging sealing assembly comprises a bag opening mechanism, a bagging material fork and a vacuumizing sealing mechanism, the bag opening mechanism supports a bag opening of the packaging bag, the bagging material fork inserts the material disc wound with the packaging film into the packaging bag from the bag opening, and the vacuumizing sealing mechanism conducts vacuumizing and hot melting sealing on the packaging bag. According to the full-automatic screen packaging machine, automatic operation of the whole process of screen cleaning, tray loading, packaging film winding, bagging and vacuumizing is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of automated equipment, and in particular to a clean packaging line and a packaging method. Background Art

[0002] During the storage and transportation of semi-finished screens before installation, the screens need to be cleaned first, and the cleaned screens are placed in trays, which are stacked into multiple layers. The trays serve to cushion and protect the screens, and then packaging film is wrapped around the outside of the trays to fix the multi-layer trays and isolate them from dust. The trays wrapped with packaging film are then placed in packaging bags for vacuum sealing to isolate the screens from the outside world and prevent dust and moisture.

[0003] The above processes are currently mostly carried out manually, with low efficiency. Summary of the invention

[0004] The purpose of the present invention is to provide a clean packaging line and packaging method, and the technical problem to be solved is to realize the automatic operation of the whole process from screen cleaning, loading, winding packaging film to bagging and vacuuming.

[0005] To achieve the above object, the solution of the present invention is: a clean packaging line, comprising:

[0006] The cleaning assembly includes a cleaning device slide, a dust-free cloth feeding mechanism and a wiping head. The top surface of the cleaning device slide is suitable for carrying the screen and is arranged to slide horizontally. The dust-free cloth feeding mechanism is used to tension the dust-free cloth above the sliding path of the cleaning device slide. The wiping head is used to press the dust-free cloth down to the top surface of the cleaning device slide and can move back and forth horizontally.

[0007] The tray loading assembly includes a screen gripper and a tray gripper. The screen gripper is used to grab the screen on the cleaning device slide and put it into the tray. The tray gripper is used to grab and transfer the tray to stack multiple trays.

[0008] A first tray transfer assembly, used for transferring the stacked trays from the tray loading assembly to the packaging assembly;

[0009] A packaging assembly, used for releasing and wrapping packaging film around the outer circumference of the stacked trays;

[0010] A second tray transfer component is used to transfer the tray at the packaging component to the bagging and sealing component;

[0011] The bagging and sealing assembly comprises a bag opening mechanism, a bag filling fork and a vacuum sealing mechanism. The bag opening mechanism is used to prop up the bag opening of the packaging bag, the bag filling fork is used to insert the material tray wrapped with packaging film into the packaging bag from the bag opening, and the vacuum sealing mechanism is used to clamp the bag opening to vacuum and hot-melt seal the packaging bag.

[0012] Furthermore, the dust-free cloth feeding mechanism includes a dust-free cloth unwinding roll and a dust-free cloth receiving roll. The dust-free cloth unwinding roll is wound with dust-free cloth and is used to release the dust-free cloth by rotation. The dust-free cloth receiving roll is used to rewind the dust-free cloth released by the dust-free cloth unwinding roll. The dust-free cloth between the dust-free cloth unwinding roll and the dust-free cloth receiving roll is tensioned by passing through the sliding path between the wiping head and the sliding table of the cleaning device.

[0013] Furthermore, the cleaning component also includes an alcohol spray head and an alcohol spray head driving mechanism, wherein the alcohol spray head driving mechanism is connected and used to drive the alcohol spray head to slide back and forth along the width direction of the dust-free cloth, and the alcohol spray head is provided with an alcohol spray port facing the dust-free cloth or the wiping head.

[0014] Furthermore, two cleaning assemblies are provided, and a screen flipping robot is provided between the cleaning device slides of the two cleaning assemblies. The screen flipping robot is used to flip the screen on the upstream cleaning device slide and place it on the downstream cleaning device slide.

[0015] Furthermore, the tray loading assembly also includes a tray feeding assembly and a tray receiving assembly;

[0016] The tray feeding assembly includes a tray feeding conveyor line and a tray feeding lifting fork. The tray feeding conveyor line is used to horizontally convey the stacked trays to the top of the tray feeding lifting fork. The tray feeding lifting fork is used to carry the stacked trays to be lifted.

[0017] The material receiving assembly includes a tray receiving lifting fork and a tray discharging conveying line. The tray receiving lifting fork is used to carry the tray to rise and fall, so that the tray falls on the tray discharging conveying line after falling. The tray discharging conveying line is used to horizontally convey the stacked trays.

[0018] The tray gripper is used to grab and transfer the tray between the tray feeding lifting fork and the tray receiving lifting fork;

[0019] The screen gripper is arranged between the cleaning device slide table and the material tray receiving and lifting fork, and is used for transferring the screen between the cleaning device slide table and the material tray receiving and lifting fork.

[0020] Furthermore, a top surface ultrasonic dust removal device, a bottom surface ultrasonic dust removal device, a rotating platform and a side surface ultrasonic dust removal device are also provided; the top surface ultrasonic dust removal device is located above the tray feeding lifting fork, and is used for downward dust removal; the bottom surface ultrasonic dust removal device is located below the moving path of the tray gripper when grabbing the tray for displacement, and is used for upward dust removal; the rotating platform is located at the end of the tray discharging conveyor line, and is used for lifting the trays stacked on the tray discharging conveyor line and rotating horizontally; the side surface ultrasonic dust removal device is located on the horizontal side of the rotating platform, and is used for dust removal toward the rotating platform, and is connected and driven by a side surface dust removal drive mechanism to perform two-axis translation.

[0021] Further, the packaging assembly includes a bending film assembly, a placement table and a film pressing assembly;

[0022] The film bending assembly is used to bend the packaging film above the placement table so that the packaging film is in a C shape with the C-shaped opening facing forward;

[0023] The top surface of the placement table can support the material tray;

[0024] The film pressing assembly includes a side lower film pressing plate, a top film pressing plate, a side upper film pressing plate, and a front film pressing plate;

[0025] There are two side down-pressing membrane plates, which are arranged on the left and right sides of the placing table, and are used to flip up from the bottom edges on the left and right sides of the placing table to press toward the side of the material tray on the placing table, or flip down away from the side of the material tray on the placing table;

[0026] The top pressure film plate is horizontally arranged above the placement table, and is used to descend to press the top surface of the material tray on the placement table, or to rise away from the top surface of the material tray on the placement table;

[0027] Two side upper film pressing plates are provided, which are respectively pivotally connected to the left and right edges of the top film pressing plate, and are used to flip down and press toward the side of the material tray on the placement table, or flip up and away from the side of the material tray on the placement table;

[0028] The front film pressing plate is located at the front bottom edge of the placing table, and is turned around the front bottom edge of the placing table to be turned up and pressed toward the front of the material tray on the placing table, or turned down and away from the front of the material tray on the placing table.

[0029] Furthermore, the film bending assembly includes a film supply mechanism, a first film clamping claw, a second film clamping claw, a film pushing mechanism and a film supporting manipulator;

[0030] The film supply mechanism comprises a film supply roller, on which a packaging film is wound, and the film supply roller is used to release the packaging film;

[0031] The first film clamping claw is located below the film supply mechanism, and an operating interval is provided between the first film clamping claw and the film supply mechanism, and is used for clamping the packaging film;

[0032] The second film clamping claw is located between the film supply mechanism and the first film clamping claw, and is used to clamp the packaging film released by the film supply mechanism. The second film clamping claw is arranged to be lifted and lowered, and is used to transfer the packaging film to the first film clamping claw.

[0033] The film pushing mechanism is located between the film supply mechanism and the first film clamping claw, and is arranged to move forward and backward, and is used to push the packaging film between the film supply mechanism and the first film clamping claw from the front side of the working interval to the top of a placing table, so that the packaging film is in a C shape;

[0034] The film supporting manipulator is located at the rear side of the placement table and is used to obtain and limit the packaging film pushed out by the film pushing mechanism;

[0035] There are two film-supporting manipulators, which are arranged on the left and right sides of the placement table. Each film-supporting manipulator includes a film-supporting claw and a film-supporting swing driving mechanism. The film-supporting swing driving mechanism is connected and used to drive the film-supporting claw to swing horizontally, so as to swing into or out of the end of the moving path of the film-pushing mechanism to push the packaging film from the left and right sides respectively. Each of the film-supporting claws includes two support rods, which extend horizontally and move toward and away from each other longitudinally.

[0036] It also includes a cutter, a cutter displacement drive mechanism and a third film clamping jaw. The third film clamping jaw is located between the second film clamping jaw and the film supply mechanism and is used to clamp the edge of the packaging film. The cutter is located between the third film clamping jaw and the second film clamping jaw. The cutter displacement drive mechanism is used to drive the cutter to move laterally to press toward or away from the packaging film between the third film clamping jaw and the second film clamping jaw.

[0037] Furthermore, the second tray transfer assembly includes a bag sealing conveyor line, the bag opening mechanism and the vacuum sealing mechanism are both located on one side of the bag sealing conveyor line, and the bag opening mechanism is located upstream of the vacuum sealing mechanism, and the bag sealing conveyor line is used to convey the packaging bags, and the bag opening is directed toward the side where the bag opening mechanism and the vacuum sealing mechanism are located;

[0038] The bag opening mechanism includes a lower bag opening suction cup and a bag opening manipulator. The lower bag opening suction cup is located at the edge of the bag sealing conveyor line and is used to suck the bottom side of the bag opening. The bag opening manipulator is located above the lower bag opening suction cup and has an upper bag opening suction cup with a lifting arrangement. The upper bag opening suction cup is used to suck the top side of the bag opening.

[0039] The top surface of the bagging fork is suitable for carrying the material tray, and is used for inserting the material tray into the bag opening from between the upper bag opening suction cup and the lower bag opening suction cup.

[0040] Furthermore, the vacuum sealing mechanism includes a bag pressing head, a lower sealing head and an upper sealing head arranged in parallel; the vacuum mechanism includes a suction pipe;

[0041] The bag pressing head is located above the lower sealing head and is installed on a bag pressing driving mechanism. The bag pressing driving mechanism is used to drive the bag pressing head to descend and fit the top surface of the lower sealing head, or to rise away from the top surface of the lower sealing head. The bottom surface of the bag pressing head is concave and has a clearance notch.

[0042] The suction pipe is connected with a suction device and is installed on a suction telescopic driving mechanism. The said clearance gap is filled with a flexible block. The suction telescopic driving mechanism drives the suction pipe to pass through or exit the clearance gap horizontally.

[0043] The upper sealing pressure head is located above the lower sealing pressure head and is installed on a sealing drive mechanism. The sealing drive mechanism is used to drive the upper sealing pressure head to descend and fit on the top surface of the lower sealing pressure head, or to rise and move away from the top surface of the lower sealing pressure head. The bottom surface of the upper sealing pressure head and / or the top surface of the lower sealing pressure head can be heated;

[0044] The bag pressing head is located on the side of the upper sealing head close to the vacuum pumping mechanism;

[0045] The vacuum mechanism is also provided with a belt feeding drive mechanism, a bag holding drive mechanism and two bag holding claws. The belt feeding drive mechanism is used to drive the two bag holding claws to pass through or exit between the upper sealing pressure head and the lower sealing pressure head. The bag holding drive mechanism is used to drive the two bag holding claws to move closer or farther laterally, and is used to laterally open the bag opening of the packaging bag when moving away.

[0046] A packaging method, using the above-mentioned clean packaging line, comprises the following steps:

[0047] S1, the film supply mechanism releases the packaging film so that the end of the packaging film is clamped by the third film clamping claw;

[0048] S2, the second film clamping claw rises to clamp the end of the packaging film, and the third film clamping claw releases the end of the packaging film;

[0049] S3, the second film clamping claw clamps the end of the packaging film and descends, while the film supply mechanism continues to release the packaging film, and sends the end of the packaging film to the first film clamping claw, the first film clamping claw clamps the end of the packaging film, and then the second film clamping claw is reset;

[0050] S4, the film pushing mechanism slides backward, pushes back the packaging film between the first film clamping claw and the film supply mechanism, and at the same time the film supply mechanism continues to release the packaging film, so that the packaging film is bent in a C shape to the top of the placement table, and the film supporting claw swings to the end of the moving path of the packaging film pushed by the film pushing mechanism, supports the rear part of the packaging film, so that the packaging film maintains the C shape bending, and then the film pushing mechanism withdraws forward;

[0051] S5. Place the material tray on the placement table;

[0052] S6, the two side lower film pressing plates turn up and press toward the side of the material tray on the placement table, and then reset; the top film pressing plate descends and presses toward the top surface of the material tray on the placement table, and then the two side upper film pressing plates turn down and press toward the side of the material tray on the placement table, and then reset;

[0053] S7, the second film clamping claw and the third film clamping claw clamp the packaging film, and the cutter presses the packaging film between the third film clamping claw and the second film clamping claw to cut the packaging film;

[0054] S8, the second film clamping claw pulls down the other end of the cut packaging film to the front side of the material tray, and the front film pressing plate turns over and presses it to the front of the material tray on the placement table, and then resets it;

[0055] S9. Repeat S2-S8.

[0056] After adopting the above scheme, the beneficial effects of the present invention are as follows: the top surface of the cleaning device slide can support the screen, the cleaning device slide can slide under the dust-free cloth tensioned by the dust-free cloth feeding mechanism, the wiping head can press down the dust-free cloth so that the dust-free cloth contacts the screen on the top surface of the cleaning device slide, and then the wiping head can reciprocate horizontally to automatically wipe and clean the screen; the tray loading component can put the cleaned screen into the tray through the screen gripper, and multiple trays with screens can be stacked through the tray gripper, thereby automatically completing the cleaning process through two manipulators. The screen is loaded onto a tray; the first tray transfer component sends the trays stacked at the tray loading component to the packaging component, and the packaging component can automatically wrap the packaging film around the tray; the second tray transfer component sends the tray wrapped with the packaging film to the bagging and sealing component, the bag opening mechanism holds up the bag opening, the bagging fork inserts the tray wrapped with the packaging film into the bag from the bag opening, the vacuum sealing mechanism clamps the bag opening, and vacuumizes and hot-melt seals the bag, thereby automatically completing the entire process of screen cleaning, tray loading, wrapping with packaging film, and bagging and vacuuming. BRIEF DESCRIPTION OF THE DRAWINGS

[0057] Figure 1 A perspective view of the present invention;

[0058] Figure 2 A perspective view of a cleaning assembly and a tray loading assembly;

[0059] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0060] Figure 4 for Figure 2 A partial enlarged view of point B in the middle;

[0061] Figure 5 A three-dimensional view of the cleaning component and the tray loading component from another perspective;

[0062] Figure 6 for Figure 5 A partial enlarged view of point C in the middle;

[0063] Figure 7 A three-dimensional view of the cleaning assembly without the cleaning device slide;

[0064] Figure 8 A stereoscopic image of a head rub;

[0065] Fig. 9 A three-dimensional diagram of the packaging assembly;

[0066] Fig.10 It is a three-dimensional picture of the material fork of the packaging mechanism;

[0067] Fig.11 is a stereoscopic view of a cutter, a second film clamping jaw, and a third film clamping jaw;

[0068] Fig.12 for Fig.11 A partial enlarged view of point D in the middle;

[0069] Fig.13 It is a three-dimensional diagram of the film pushing mechanism;

[0070] Fig.14 It is a three-dimensional diagram of the side-down pressure membrane plate;

[0071] Fig.15 It is a three-dimensional diagram of the top film pressing plate and the side film pressing plate;

[0072] Fig.16 A stereogram showing another perspective of the packaging assembly;

[0073] Fig.17 for Fig.16 A partial enlarged view of point E in the middle;

[0074] Fig.18 A top view of the packaged components;

[0075] Fig.19 A perspective view of a packaging assembly and a bagging and sealing assembly;

[0076] Fig. 20 for Fig.19 A partial enlarged view of the F in the middle;

[0077] Fig.21 A three-dimensional diagram of a vacuum sealing mechanism;

[0078] Fig. 22 for Fig.21 A partial enlarged view of the G in the middle;

[0079] Fig.23 This is a partial structural diagram of the vacuum sealing mechanism.

[0080] Label explanation: 1-cleaning component, 2-cleaning device slide, 4-wiping head, 5-dust-free cloth, 6-tray assembly, 7-screen gripper, 8-tray gripper, 9-first tray transfer assembly, 10-packaging assembly, 11-second tray transfer assembly, 12-bagging sealing assembly, 13-bagging mechanism, 14-bagging fork, 15-vacuum sealing mechanism, 16-dust-free cloth unwinding roll, 17-dust-free cloth rewinding roll, 18-alcohol spray head, 19-alcohol spray head drive mechanism, 20-screen flip robot, 23-tray feeding conveyor line, 24-tray feeding lifting fork, 25-tray receiving lifting fork, 26-tray discharging conveyor line, 27-top ultrasonic dust removal device, 28-bottom ultrasonic dust removal device, 29-rotating platform, 30-side ultrasonic dust removal device, 31-side dust removal drive mechanism, 32-placing table, 33-side lower pressure film plate, 34-top Film pressing plate, 35-side film pressing plate, 36-front film pressing plate, 37-first film clamping claw, 38-second film clamping claw, 39-film pushing mechanism, 40-film supporting manipulator, 41-film supply roller, 42-bag sealing conveyor line, 43-lower bag opening suction cup, 44-bag opening manipulator, 45-upper bag opening suction cup, 46-bag pressing head, 47-lower sealing head, 48-upper sealing head, 50-suction pipe, 51-bag pressing drive mechanism, 52-let Position notch, 53-air suction and telescopic drive mechanism, 54-flexible block, 55-sealing drive mechanism, 56-belt feeding drive mechanism, 57-bag supporting drive mechanism, 58-bag supporting claw, 59-wiping head drive mechanism, 60-front film pressing roller, 61-rear film pressing roller, 62-packaging mechanism material fork, 63-cutter, 64-cutter displacement drive mechanism, 65-third film clamping claw, 66-film supporting claw, 67-film supporting swing drive mechanism, 68-support rod. DETAILED DESCRIPTION

[0081] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0082] In the claims, specification and the above-mentioned drawings of the present invention, unless otherwise explicitly defined, directional words, such as the use of terms such as "center", "lateral", "longitudinal", "horizontal", "vertical", "top", "bottom", "inside", "outside", "up", "down", "front", "back", "left", "right", "clockwise", "counterclockwise" and the like to indicate directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be understood as limiting the specific protection scope of the present invention.

[0083] The present invention provides a clean packaging line, such as Figure 1-23 As shown, the focus here is on Figure 1As shown, it includes: a cleaning component 1, a tray loading component 6, a first tray transfer component 9, a packaging component 10, a second tray transfer component 11 and a bagging sealing component 12;

[0084] Cleaning assembly 1, including cleaning device slide 2 (focus on Figure 4 As shown), the dust-free cloth feeding mechanism and the wiping head 4, the top surface of the cleaning device slide 2 is suitable for carrying the screen, and is driven horizontally by an existing driving mechanism such as a linear motor, focusing on combining Figure 2 , Figure 7 As shown, the dust-free cloth feeding mechanism is used to tension the dust-free cloth 5 above the sliding path of the cleaning device slide 2. The structure of the dust-free cloth feeding mechanism is not specifically limited, and it can be tensioned by two clamping claws and other structures. The preferred scheme in this embodiment is given below. The wiping head 4 is used to press the dust-free cloth to the top surface of the cleaning device slide 2, and can move horizontally back and forth under the drive of the wiping head driving mechanism 59; the preferred dust-free cloth feeding mechanism is as follows: Focus on Figure 7 The cleaning cloth 5 is then pulled back from the cleaning cloth 10 and the cleaning cloth 10 is then pulled back from the cleaning cloth 10. The cleaning cloth 5 is then pulled back from the cleaning cloth 10 and the cleaning cloth 10 is then pulled back from the cleaning cloth 10. Figure 8 As shown, the cleaning component 1 preferably also includes an alcohol nozzle 18 and an alcohol nozzle driving mechanism 19, the alcohol nozzle driving mechanism 19 is connected and used to drive the alcohol nozzle 18 to slide back and forth along the width direction of the dust-free cloth 5, and the alcohol nozzle 18 is provided with an alcohol nozzle toward the dust-free cloth 5 or the wiping head 4 to spray alcohol and wet the dust-free cloth 5; in order to clean both sides of the screen separately, the focus is on the combination Figure 2 , Figure 4 As shown, the cleaning components 1 are provided with two, and a screen flipping robot 20 is provided between the cleaning device slides 2 of the two cleaning components 1. The screen flipping robot 20 can be any existing robot that can clamp the screen and flip the screen. The screen flipping robot 20 is used to flip the screen on the cleaning device slide 2 located upstream and place it on the cleaning device slide 2 located downstream, thereby realizing wiping and cleaning of both sides of the screen respectively;

[0085] Plate assembly 6, focus on combination Figure 5 , Figure 6 As shown, it includes a screen gripper 7 and a tray gripper 8. The screen gripper 7 is used to grab the screen on the cleaning device slide 2 and put it into the tray. The tray gripper 8 is used to grab and transfer the tray to stack multiple trays. The screen gripper 7 and the tray gripper 8 are both industrial manipulator designs commonly used in the field and are not described in detail in this embodiment. In order to realize automatic transfer of the tray, it is preferred that the tray loading assembly 6 also includes a tray feeding assembly and a receiving assembly; the tray feeding assembly includes a tray feeding conveyor line 23 and a tray feeding lifting fork 24 (focus on the combination of Figure 3 As shown), the tray feeding conveyor line 23 is used to horizontally convey the stacked trays to the top of the tray feeding lifting fork 24, and the tray feeding lifting fork 24 is used to carry the stacked trays to be lifted; focus on Figure 6 As shown, the material receiving assembly includes a tray receiving lifting fork 25 and a tray discharging conveyor line 26, wherein the tray receiving lifting fork 25 is used to carry the tray to rise and fall, so that the tray falls on the tray discharging conveyor line 26 after being lowered, and the tray discharging conveyor line 26 is used to horizontally transfer the stacked trays; the tray gripper 8 is used to grab and transfer the tray between the tray feeding lifting fork 24 and the tray receiving lifting fork 25; the screen gripper 7 is arranged between the cleaning device slide 2 and the tray receiving lifting fork 25, and is used to transfer the screen between the cleaning device slide 2 and the tray receiving lifting fork 25; in order to clean the tray and prevent the tray from contaminating the screen, it is preferably also provided with a top surface ultrasonic dust removal device 27, a bottom surface ultrasonic dust removal device 28, a rotating platform 29 and a side ultrasonic dust removal device 30, and the ultrasonic dust removal device is a prior art in the field There is technology, and the principle will not be described in detail in this embodiment; the top surface ultrasonic dust removal device 27 is located above the tray feeding lifting fork 24, and is used to remove dust from the top surface of the tray downward; the bottom surface ultrasonic dust removal device 28 is located below the moving path of the tray gripper 8 when grabbing the tray for displacement, so as to remove dust from the bottom surface of the tray upward when the tray passes by; the rotating platform 29 is located at the end of the tray discharge conveyor line 26, and is used to lift the trays stacked on the tray discharge conveyor line 26 and rotate horizontally; the side ultrasonic dust removal device 30 is located on the horizontal side of the rotating platform 29, and is used to remove dust toward the rotating platform 29, and is connected and driven by a side dust removal drive mechanism 31 to perform two-axis translation, so that the side ultrasonic dust removal device 30 can blow through the four side walls of the tray respectively to remove dust from the four side walls of the tray;

[0086] The first tray transfer assembly 9 may be composed of a conveyor belt and / or an industrial robot, and the structure is not specifically limited, as long as the stacked trays can be transferred from the end of the tray loading assembly to the packaging assembly 10, which can be achieved through conventional designs in the art and will not be described in detail;

[0087] The packaging assembly 10 is used to release and wrap the packaging film around the outer periphery of the stacked trays. Any existing mechanism that can automatically wrap the film around the product can be used for packaging. Figure 9-18 As shown, the packaging assembly 10 includes a film bending assembly, a placement table 32 and a film pressing assembly; the film bending assembly is used to bend the packaging film above the placement table 32 so that the packaging film is C-shaped, and the C-shape opens forward, and specifically includes a film supply mechanism, a first film clamping claw 37, a second film clamping claw 38, a film pushing mechanism 39 and a film supporting manipulator 40; the film supply mechanism includes a film supply roller 41, on which the packaging film is wound, and the film supply roller 41 is used to release the packaging film; the first film clamping claw 37 is located below the film supply mechanism, and an operating interval is provided between the film supply mechanism and the film supply mechanism for clamping the packaging film; the second film clamping claw 38 is located between the film supply mechanism and the first film clamping claw 37, and is used to clamp the packaging film released by the film supply mechanism, and the second film clamping claw 38 is set to rise and fall, and is used to transfer the packaging film to the first film clamping claw 37; the film pushing mechanism 39 is located between the film supply mechanism and the first film clamping claw 37, a front-to-back displacement arrangement is provided, which is used to push the packaging film between the film supply mechanism and the first film clamping claw 37 from the front side of the working interval to the top of a placement table 32, so that the packaging film is C-shaped; the film-supporting manipulator 40 is located at the rear side of the placement table 32, and is used to obtain and limit the packaging film pushed out by the film-pushing mechanism 39. Specifically, there are two film-supporting manipulators 40, which are arranged on the left and right sides of the placement table 32, and each film-supporting manipulator 40 includes a film-supporting claw 66 and a film-supporting swing driving mechanism 67. The film-supporting swing driving mechanism 67 is connected and used to drive the film-supporting claw 66 to swing horizontally, so as to swing into or out of the end of the moving path of the packaging film pushed by the film-pushing mechanism 39 from the left and right sides, respectively. Each of the film-supporting claws 66 includes two support rods 68, which extend horizontally and perform longitudinal approaching and moving away movements to support the packaging film when moving away;

[0088] Continue to focus on combining Figure 9-18As shown, the top surface of the placement table 32 can support the material tray, and a packaging mechanism material fork 62 is also provided. The packaging mechanism material fork 62 inserts the material tray delivered by the first material tray transfer component 9 onto the placement table 32. After placement, the front side and the left and right sides of the packaging film are all protruding from the material tray; the film pressing component includes a side lower film pressing plate 33, a top film pressing plate 34, a side upper film pressing plate 35, and a front film pressing plate 36; two side lower film pressing plates 33 are provided, which are respectively arranged on the left and right sides of the placement table 32, and are used to flip and press from the bottom edges of the left and right sides of the placement table 32 to the front film pressing plate 36. The top film pressing plate 34 is horizontally arranged above the placing platform 32, and is used for descending to press against the top surface of the material tray on the placing platform 32, or ascending to move away from the top surface of the material tray on the placing platform 32; two upper film pressing plates 35 are arranged on the side, which are respectively pivotally connected to the left and right edges of the top film pressing plate 34, and are used for flipping down to press against the side surface of the material tray on the placing platform 32, or flipping up to move away from the side surface of the material tray on the placing platform 32; the front film pressing plate 36 is located at the front bottom edge of the placing platform 32, and is around The front bottom edge of the placement table 32 is turned over to be turned up and pressed toward the front of the material tray on the placement table 32, or turned down and away from the front of the material tray on the placement table 32; it also includes a front film pressing roller 60 and a rear film pressing roller 61, two front film pressing rollers 60 are provided, which extend longitudinally and are respectively arranged on the left and right sides in front of the placement table 32, and the two front film pressing rollers 60 are close to each other; two rear film pressing rollers 61 are provided, which extend longitudinally and are respectively arranged on the left and right sides behind the placement table 32, and the two rear film pressing rollers 61 are close to each other; the front and rear of the placement table 32 The cutting mechanism 64 is configured to slide and cooperate with the front film pressing roller 60 and the rear film pressing roller 61 to realize rolling the surrounding side walls of the material plate; the cutting mechanism 63 is also configured, the cutting mechanism 64 is configured to move the cutting mechanism 63 and the rear film pressing roller 61, and the cutting mechanism 64 is configured to move the cutting mechanism 63 and the rear film pressing roller 61, so as to press the surrounding side walls of the material plate; the cutting mechanism 63 is configured to slide and cooperate with the front film pressing roller 60 and the rear film pressing roller 61 to realize rolling the surrounding side walls of the material plate; the cutting mechanism 63 is also configured, the cutting mechanism 64 is configured to move the cutting mechanism 63 and the rear film pressing roller 61, and the rear film pressing roller 61 is configured to press the surrounding side walls of the material plate; the cutting mechanism 63 is configured to slide and cooperate with the front film pressing roller 60 and the rear film pressing roller 61 to realize rolling the surrounding side walls of the material plate; the cutting mechanism 63 is configured to slide and cooperate with the front film pressing roller 60 and the rear film pressing roller 61, and the cutting mechanism 64 is configured to move the cutting mechanism 63 and the rear film pressing roller 61, so as to press the surrounding side walls of the material plate; the cutting mechanism 64 is configured to move the cutting mechanism 63 and the rear film pressing roller 61, and the rear film pressing roller 61 is configured ...

[0089] Focus on combination Figure 19-23As shown, the second tray transfer assembly 11 is used to transfer the tray at the packaging assembly 10 to the bagging and sealing assembly 12; the bagging and sealing assembly 12 includes a bag opening mechanism 13, a bagging material fork 14 and a vacuum sealing mechanism, the bag opening mechanism 13 is used to prop up the bag opening of the packaging bag, the bagging material fork 14 is used to insert the tray wrapped with packaging film from the bag opening into the packaging bag, and the vacuum sealing mechanism 15 is used to clamp the bag opening to vacuum and hot-melt seal the packaging bag; specifically, the second tray transfer assembly 11 includes a bag sealing conveyor line 42, and the bag opening mechanism 13 and the vacuum sealing mechanism are both located at the bag sealing conveyor line 42. The bag-sealing conveyor line 42 is on one side, and the bag-opening mechanism 13 is located upstream of the vacuum sealing mechanism. The bag-sealing conveyor line 42 is used to convey the packaging bags, and the bag opening is directed toward the side where the bag-opening mechanism 13 and the vacuum sealing mechanism are located; the bag-opening mechanism 13 includes a lower bag-opening suction cup 43 and a bag-opening manipulator 44. The lower bag-opening suction cup 43 is located at the edge of the bag-sealing conveyor line 42 and is used to absorb the bottom side of the bag opening. The bag-opening manipulator 44 is located above the lower bag-opening suction cup 43 and has an upper bag-opening suction cup 45 with a lifting arrangement. The upper bag-opening suction cup 45 is used to absorb the top side of the bag opening; the top surface of the bag-filling fork 14 is suitable for carrying a material tray, which is used to lift the upper bag-opening suction cup 45 from the upper bag-opening suction cup 45 and the upper bag-opening suction cup 45. The material tray is inserted into the bag opening between the lower bag opening suction cup 43; the vacuum sealing mechanism includes a bag pressing head 46, a lower sealing head 47 and an upper sealing head 48 arranged in parallel; the vacuum mechanism includes an air suction pipe 50; the bag pressing head 46 is located above the lower sealing head 47, and the bag pressing head 46 is installed on a bag pressing driving mechanism 51, and the bag pressing driving mechanism 51 is used to drive the bag pressing head 46 to descend and fit on the top surface of the lower sealing head 47, or to rise away from the top surface of the lower sealing head 47, and the bottom surface of the bag pressing head 46 is concave to form a clearance notch 52; the air suction pipe 50 is connected to a suction device and is installed in a On the air suction telescopic drive mechanism 53, the said clearance gap 52 is filled with a flexible block 54, and the air suction telescopic drive mechanism 53 drives the air suction pipe 50 to horizontally pass through or exit the clearance gap 52; the upper sealing pressure head 48 is located above the lower sealing pressure head 47, and is installed on a sealing drive mechanism 55, and the sealing drive mechanism 55 is used to drive the upper sealing pressure head 48 to descend and fit the top surface of the lower sealing pressure head 47, or to rise away from the top surface of the lower sealing pressure head 47, and the bottom surface of the upper sealing pressure head 48 and / or the top surface of the lower sealing pressure head 47 can be heated; the bag pressing head 46 is located on the side of the upper sealing pressure head 48 close to the vacuum pumping mechanism. To ensure that the bag opening can enter above the lower sealing head 47, the vacuum mechanism is also provided with a belt feeding drive mechanism 56, a bag holding drive mechanism 57 and two bag holding claws 58. The belt feeding drive mechanism 56 is used to drive the two bag holding claws 58 to pass through or exit between the upper sealing head 48 and the lower sealing head 47, and the bag holding drive mechanism 57 is used to drive the two bag holding claws 58 to move laterally closer or farther away, so as to laterally open the bag opening of the packaging bag when moving away.

[0090] A packaging method, using a clean packaging line as described above, includes the following steps: S1, the film supply mechanism releases the packaging film, so that the end of the packaging film is clamped by the third film clamping claw 65; S2, the second film clamping claw 38 rises, clamps the end of the packaging film, and the third film clamping claw 65 releases the end of the packaging film; S3, the second film clamping claw 38 clamps the end of the packaging film and descends, and at the same time the film supply mechanism continues to release the packaging film, and the end of the packaging film is sent to the first film clamping claw 37, the first film clamping claw 37 clamps the end of the packaging film, and then the second film clamping claw 38 is reset; S4, the film pushing mechanism 39 slides backward, pushes back the packaging film between the first film clamping claw 37 and the film supply mechanism, and at the same time the film supply mechanism continues to release the packaging film, so that the packaging film is bent in a C shape to above the placement table 32, and the film holding claw 66 swings to the end of the moving path of the film pushing mechanism 39 to push the packaging film backward , support the rear part of the packaging film to keep the packaging film in a C-shaped bend, and then the film pushing mechanism 39 withdraws forward; S5, place the material tray above the placement table 32; S6, the two side lower film pressing plates 33 turn up and press against the side of the material tray on the placement table 32, and then reset; the top film pressing plate 34 descends and presses against the top surface of the material tray on the placement table 32, and then the two side upper film pressing plates 35 turn down and press against the side of the material tray on the placement table 32, and then reset; S7, the second film clamping claw 38 and the third film clamping claw 65 clamp the packaging film, and the cutter 63 presses against the packaging film between the third film clamping claw 65 and the second film clamping claw 38 to cut the packaging film; S8, the second film clamping claw 38 pulls down the other end of the cut packaging film to the front side of the material tray, and the front film pressing plate 36 turns up and presses against the front of the material tray on the placement table 32, and then resets; S9, repeat S2-S8.

[0091] The above description is only a preferred embodiment of the present invention and is not a limitation on the design of this case. Any equivalent changes made based on the design key of this case shall fall within the protection scope of this case.

Claims

1. A clean packaging line, characterized in that: include: A cleaning assembly (1) comprises a cleaning device slide (2), a dust-free cloth feeding mechanism and a wiping head (4); the top surface of the cleaning device slide (2) is suitable for carrying a screen and is arranged to slide horizontally; the dust-free cloth feeding mechanism is used to tension the dust-free cloth (5) above the sliding path of the cleaning device slide (2); the wiping head (4) is used to press the dust-free cloth down to the top surface of the cleaning device slide (2) and is capable of horizontal reciprocating movement; The tray loading assembly (6) comprises a screen gripper (7) and a tray gripper (8), wherein the screen gripper (7) is used to grip the screen on the cleaning device slide (2) and place it into the tray, and the tray gripper (8) is used to grip and transfer the tray so as to stack a plurality of trays; A first tray transfer assembly (9) for transferring stacked trays from the tray loading assembly to the packaging assembly (10); A packaging assembly (10) for releasing and wrapping a packaging film around the outer circumference of the stacked trays; A second material tray transfer component (11) is used to transfer the material tray at the packaging component (10) to the bagging and sealing component (12); The bagging and sealing assembly (12) comprises a bag opening mechanism (13), a bagging material fork (14) and a vacuum sealing mechanism. The bag opening mechanism (13) is used to prop up the bag opening of the packaging bag. The bagging material fork (14) is used to insert the material tray wrapped with the packaging film into the packaging bag from the bag opening. The vacuum sealing mechanism (15) is used to clamp the bag opening and perform vacuuming and hot-melt sealing on the packaging bag.

2. A clean packaging line as claimed in claim 1, characterized in that: The dust-free cloth feeding mechanism comprises a dust-free cloth feeding roll (16) and a dust-free cloth receiving roll (17); the dust-free cloth feeding roll (16) is wound with a dust-free cloth (5) and is used to feed out the dust-free cloth (5) by rotation; the dust-free cloth receiving roll (17) is used to receive the dust-free cloth (5) fed out by the dust-free cloth feeding roll (16); the dust-free cloth (5) between the dust-free cloth feeding roll (16) and the dust-free cloth receiving roll (17) is tensioned by passing through the sliding path between the wiping head (4) and the cleaning device slide table (2); The cleaning assembly (1) further comprises an alcohol spray head (18) and an alcohol spray head driving mechanism (19), wherein the alcohol spray head driving mechanism (19) is connected to and used for driving the alcohol spray head (18) to slide back and forth along the width direction of the dust-free cloth (5), and the alcohol spray head (18) is provided with an alcohol spray port facing the dust-free cloth (5) or the wiping head (4).

3. A clean packaging line as claimed in claim 1, characterized in that: Two cleaning assemblies (1) are provided, and a screen flipping robot (20) is provided between the cleaning device slides (2) of the two cleaning assemblies (1). The screen flipping robot (20) is used to flip the screen on the cleaning device slide (2) located upstream and place it on the cleaning device slide (2) located downstream.

4. A clean packaging line as claimed in claim 1, characterized in that: The tray loading assembly (6) also includes a tray feeding assembly and a tray receiving assembly; The tray feeding assembly comprises a tray feeding conveyor line (23) and a tray feeding lifting fork (24), wherein the tray feeding conveyor line (23) is used to horizontally convey the stacked trays to above the tray feeding lifting fork (24), and the tray feeding lifting fork (24) is used to carry the stacked trays to be lifted; The material receiving assembly comprises a tray receiving lifting fork (25) and a tray discharging conveying line (26), wherein the tray receiving lifting fork (25) is used to carry the tray to be raised and lowered, so that the tray falls on the tray discharging conveying line (26) after being lowered, and the tray discharging conveying line (26) is used to horizontally convey the stacked trays; The tray gripper (8) is used to grab the transport tray between the tray feeding lifting fork (24) and the tray receiving lifting fork (25); The screen gripper (7) is arranged between the cleaning device slide (2) and the material tray receiving and lifting fork (25), and is used for transferring the screen between the cleaning device slide (2) and the material tray receiving and lifting fork (25).

5. A clean packaging line as claimed in claim 4, characterized in that: A top surface ultrasonic dust removal device (27), a bottom surface ultrasonic dust removal device (28), a rotating platform (29) and a side surface ultrasonic dust removal device (30) are also provided; the top surface ultrasonic dust removal device (27) is located above the tray feeding lifting fork (24) and is used for dust removal downward; the bottom surface ultrasonic dust removal device (28) is located below the moving path of the tray gripper (8) when grabbing the tray for displacement and is used for dust removal upward; the rotating platform (29) is located at the end of the tray discharging conveyor line (26) and is used for lifting the trays stacked on the tray discharging conveyor line (26) and performing horizontal rotation; the side surface ultrasonic dust removal device (30) is located on the horizontal side of the rotating platform (29) and is used for dust removal toward the rotating platform (29), and is connected and driven by a side surface dust removal drive mechanism (31) to perform two-axis translation.

6. A clean packaging line as claimed in claim 1, characterized in that: The packaging assembly (10) comprises a bending film assembly, a placement table (32) and a film pressing assembly; The film bending assembly is used to bend the packaging film above the placement table (32) so that the packaging film is in a C shape with the C-shaped opening facing forward; The top surface of the placement table (32) is capable of supporting the material tray; The film pressing assembly comprises a side lower film pressing plate (33), a top film pressing plate (34), a side upper film pressing plate (35), and a front film pressing plate (36); Two side downward pressure plates (33) are provided, which are arranged on the left and right sides of the placement platform (32) and are used to press upward from the bottom edges of the left and right sides of the placement platform (32) toward the side of the material tray on the placement platform (32), or to press downward away from the side of the material tray on the placement platform (32); The top pressure film plate (34) is horizontally arranged above the placement table (32) and is used to descend to press against the top surface of the material tray on the placement table (32), or to rise away from the top surface of the material tray on the placement table (32); Two upper film pressing plates (35) are provided, which are pivotally connected to the left and right edges of the top film pressing plate (34) respectively, and are used to turn down and press the side of the material tray on the placement table (32), or turn up and away from the side of the material tray on the placement table (32); The front film pressing plate (36) is located at the front bottom edge of the placing platform (32), and is turned around the front bottom edge of the placing platform (32) to be turned up and pressed toward the front of the material tray on the placing platform (32), or turned down and away from the front of the material tray on the placing platform (32).

7. A clean packaging line as claimed in claim 6, characterized in that: The film bending assembly comprises a film supply mechanism, a first film clamping claw (37), a second film clamping claw (38), a film pushing mechanism (39) and a film supporting manipulator (40); The film supply mechanism comprises a film supply roller (41), on which a packaging film is wound, and the film supply roller (41) is used to release the packaging film; The first film clamping claw (37) is located below the film supply mechanism and has an operating gap between the first film clamping claw and the film supply mechanism, and is used to clamp the packaging film. The second film clamping claw (38) is located between the film supply mechanism and the first film clamping claw (37) and is used to clamp the packaging film released by the film supply mechanism. The second film clamping claw (38) is arranged to be raised and lowered and is used to transfer the packaging film to the first film clamping claw (37). The film pushing mechanism (39) is located between the film supply mechanism and the first film clamping claw (37), and is arranged to be displaced forward and backward, and is used to push the packaging film between the film supply mechanism and the first film clamping claw (37) from the front side of the working interval to the top of a placement table (32), so that the packaging film is in a C shape; The film supporting manipulator (40) is located at the rear side of the placing platform (32) and is used to obtain and limit the packaging film pushed out by the film pushing mechanism (39); Two of the film-supporting manipulators (40) are provided, and are respectively arranged on the left and right sides of the placing table (32). Each of the film-supporting manipulators (40) includes a film-supporting claw (66) and a film-supporting swing driving mechanism (67). The film-supporting swing driving mechanism (67) is connected and used to drive the film-supporting claw (66) to swing horizontally, so as to swing into or out of the end of the moving path of the rear packaging film pushed by the film-pushing mechanism (39) from the left and right sides, respectively. Each of the film-supporting claws (66) includes two support rods (68), and the two support rods (68) extend horizontally and perform longitudinal approaching and moving away movements. It also includes a cutter (63), a cutter displacement driving mechanism (64) and a third film clamping claw (65). The third film clamping claw (65) is located between the second film clamping claw (38) and the film supply mechanism and is used to clamp the edge of the packaging film. The cutter (63) is located between the third film clamping claw (65) and the second film clamping claw (38). The cutter displacement driving mechanism (64) is used to drive the cutter (63) to move horizontally to press toward or away from the packaging film between the third film clamping claw (65) and the second film clamping claw (38).

8. A clean packaging line as claimed in claim 1, characterized in that: The second material tray transfer assembly (11) comprises a bag sealing conveyor line (42), the bag opening mechanism (13) and the vacuum sealing mechanism are both located on one side of the bag sealing conveyor line (42), and the bag opening mechanism (13) is located upstream of the vacuum sealing mechanism, and the bag sealing conveyor line (42) is used to convey the packaging bags, and the bag opening is directed toward the side where the bag opening mechanism (13) and the vacuum sealing mechanism are located; The bag opening mechanism (13) comprises a lower bag opening suction cup (43) and a bag opening manipulator (44), wherein the lower bag opening suction cup (43) is located at the edge of the bag sealing conveyor line (42) and is used to suck the bottom side of the bag opening, and the bag opening manipulator (44) is located above the lower bag opening suction cup (43) and has an upper bag opening suction cup (45) which is arranged to be lifted and lowered, and the upper bag opening suction cup (45) is used to suck the top side of the bag opening; The top surface of the bagging material fork (14) is suitable for carrying a material tray, and is used to insert the material tray into the bag opening from between the upper bag opening suction cup (45) and the lower bag opening suction cup (43).

9. The clean packaging line according to claim 1, characterized in that: The vacuum sealing mechanism comprises a bag pressing head (46), a lower sealing head (47) and an upper sealing head (48) arranged in parallel; the vacuum mechanism comprises an air suction pipe (50); The bag pressing head (46) is located above the lower sealing head (47). The bag pressing head (46) is installed on a bag pressing driving mechanism (51). The bag pressing driving mechanism (51) is used to drive the bag pressing head (46) to descend and fit against the top surface of the lower sealing head (47), or to rise away from the top surface of the lower sealing head (47). The bottom surface of the bag pressing head (46) is concave and has a clearance notch (52). The suction pipe (50) is connected to a suction device and is installed on a suction telescopic driving mechanism (53). The clearance gap (52) is filled with a flexible block (54). The suction telescopic driving mechanism (53) drives the suction pipe (50) to pass through or exit the clearance gap (52) laterally. The upper sealing head (48) is located above the lower sealing head (47) and is installed on a sealing drive mechanism (55). The sealing drive mechanism (55) is used to drive the upper sealing head (48) to descend and fit against the top surface of the lower sealing head (47), or to ascend and move away from the top surface of the lower sealing head (47). The bottom surface of the upper sealing head (48) and / or the top surface of the lower sealing head (47) can be heated. The bag pressing head (46) is located on a side of the upper sealing head (48) close to the vacuum pumping mechanism; the vacuum pumping mechanism is also provided with a belt feeding drive mechanism (56), a bag holding drive mechanism (57) and two bag holding claws (58); the belt feeding drive mechanism (56) is used to drive the two bag holding claws (58) to pass through or exit between the upper sealing head (48) and the lower sealing head (47); the bag holding drive mechanism (57) is used to drive the two bag holding claws (58) to move laterally closer to or farther away from each other, and to laterally open the bag opening of the packaging bag when moving away from each other.

10. A packaging method, characterized in that: The use of a clean packaging line as claimed in claim 7 comprises the following steps: S1, the film supply mechanism releases the packaging film so that the end of the packaging film is clamped by the third film clamping claw (65); S2, the second film clamping claw (38) rises to clamp the end of the packaging film, and the third film clamping claw (65) releases the end of the packaging film; S3, the second film clamping claw (38) clamps the end of the packaging film and descends, while the film supply mechanism continues to release the packaging film and sends the end of the packaging film to the first film clamping claw (37), the first film clamping claw (37) clamps the end of the packaging film, and then the second film clamping claw (38) is reset; S4, the film pushing mechanism (39) slides backward, pushes back the packaging film between the first film clamping claw (37) and the film supply mechanism, and at the same time the film supply mechanism continues to release the packaging film, so that the packaging film is bent in a C shape above the placement table (32), and the film supporting claw (66) swings to the end of the moving path of the packaging film pushed back by the film pushing mechanism (39), supports the rear part of the packaging film, so that the packaging film maintains the C-shaped bend, and then the film pushing mechanism (39) withdraws forward; S5, placing the material tray on the placement table (32); S6, the two side lower film pressing plates (33) turn upward and press against the side surface of the material tray on the placement table (32), and then reset; the top film pressing plate (34) descends and presses against the top surface of the material tray on the placement table (32), and then the two side upper film pressing plates (35) turn downward and press against the side surface of the material tray on the placement table (32), and then reset; S7, the second film clamping claw (38) and the third film clamping claw (65) clamp the packaging film, and the cutter (63) presses the packaging film between the third film clamping claw (65) and the second film clamping claw (38) to cut the packaging film; S8, the second film clamping claw (38) pulls down the other end of the cut packaging film to the front side of the material tray, and the front film pressing plate (36) turns up and presses it to the front of the material tray on the placement table (32), and then resets; S9. Repeat S2-S8.

Images