Automatic feeding and sub-packaging line for packaging bags

Abstract

This invention relates to the field of production lines and discloses an automated packaging bag feeding and dispensing production line. The line, in sequence according to the process flow, includes a packaging bag feeding mechanism, a packaging bag separating mechanism, and a single-bag feeding component. The packaging bag feeding mechanism is used to feed multiple packaging bags at a time. The packaging bag separating mechanism is used to pick up and feed the multiple packaging bags transported by the packaging bag feeding mechanism in a single operation. The single-bag feeding component is used to perform secondary identification on the packaging bags transported by the packaging bag separating mechanism and to connect them with the next process step. The packaging bag feeding mechanism and the packaging bag separating mechanism are transferred between each other via a transfer mechanism. The line also includes a workbench, on which the feeding mechanism, packaging bag separating mechanism, transfer mechanism, and single-bag feeding component are all mounted. This production line enables automated feeding and has a very compact design.

Description

Technical Field

[0001] This invention relates to the field of packaging bag material distribution, and in particular to an automatic feeding and dispensing production line for packaging bags. Background Technology

[0002] Chinese patent application CN202110288407.9 discloses a medical supplies bagging production line. It uses automated feeding and packaging technology to achieve automated production, but the initial step of the production line still uses manual feeding, that is, manual placement of the packaging bags on the grippers of the indexing plate is required, which cannot realize the feeding of individual packaging bags from thick stacks of packaging bags.

[0003] The difficulty in separating and feeding individual packaging bags lies in the fact that when adsorbing packaging bags, it is easy to pull up the packaging bags below, making it impossible to achieve a flat surface. At the same time, due to factors such as static electricity between packaging bags, there is a certain degree of adsorption between the packaging bags, so it is easy to cause multiple packaging bags to be adsorbed when picking up packaging bags.

[0004] Moreover, traditional assembly lines cannot simultaneously feed large quantities of packaging bags, and the equipment occupies a large space and has low work efficiency, which cannot meet the needs. Summary of the Invention

[0005] This invention addresses the shortcomings of existing technologies by providing an automated feeding and dispensing line for packaging bags.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution:

[0007] An automated packaging bag feeding and dispensing production line includes, in sequence, a packaging bag feeding mechanism, a packaging bag separating mechanism, and a single bag feeding component;

[0008] The packaging bag feeding mechanism is used to feed multiple packaging bags at one time, the packaging bag separating mechanism is used to grab and feed multiple packaging bags transported by the packaging bag feeding mechanism in a single time, and the single bag feeding component is used to perform secondary identification of the packaging bags transported by the packaging bag separating mechanism and to connect with the next process.

[0009] The packaging bag feeding mechanism and the packaging bag separating mechanism transfer the packaging bags through a transfer mechanism. The system also includes a workbench, on which the feeding mechanism, the packaging bag separating mechanism, the transfer mechanism, and the single bag feeding component are all installed.

[0010] The packaging bag feeding mechanism includes a frame and a feeding track, a feeding rack, and a drive device mounted on the frame. The feeding track includes a sprocket and a chain, and the drive device drives the sprocket and chain to move. The feeding rack is fixedly mounted on the chain and includes a clamp for holding the packaging bag. The chain moves while driving the feeding rack to move synchronously to realize the transportation and feeding of the packaging bag.

[0011] The drive unit is connected to the sprocket to drive the sprocket to rotate. The clamping plates are set vertically, and clamping grooves are formed between the clamping plates. The feeding track includes the sprocket section that passes through the sprocket and the horizontal section between the sprocket sections. Adjacent clamping grooves are arranged in a figure-eight shape when passing through the sprocket section, and are set parallel to each other in the horizontal section.

[0012] Preferably, the transfer mechanism includes an L-shaped slide, which includes a horizontal slide mounted on the bottom surface of the workbench and a vertical slide mounted on the horizontal slide. The vertical slide can move laterally under the drive of the horizontal slide, and the length direction of the horizontal slide is consistent with the direction of the chain. A material picking mechanism is installed on the vertical slide, and the vertical slide can drive the material picking mechanism to slide up and down.

[0013] The material handling mechanism includes a material handling frame installed on a vertical slide table. The material handling frame is horizontally set and includes front and rear material handling arms. A cylinder slide table is set on the material handling arm, and a pneumatic gripper is set on the cylinder slide table. The L-shaped slide table can drive the pneumatic gripper to reach the sprocket section on the side of the main sprocket to clamp the packaging bag.

[0014] Preferably, the sprocket includes a main sprocket on the right end and a driven sprocket on the left end. There are two driving sprockets and two driven sprockets. The driving sprockets and the driven sprockets are connected by a connecting shaft to achieve synchronous movement. The driving sprockets and the driven sprockets are connected by a chain. The loading rack includes a fixed plate at the bottom and a frame body fixedly mounted on the fixed plate. The two ends of the fixed plate are fixed to the front chain and the rear chain, respectively. The frame body includes a clamping plate and a bottom plate. The clamping plate includes a left clamping plate and a right clamping plate. A clamping groove is formed between the left clamping plate and the right clamping plate. The upper ends of the left clamping plate and the right clamping plate are bent to form guide plates. The bending direction is towards both sides of the clamping groove, and a flared opening is formed between the guide plates. The height of the left clamping plate is lower than the height of the right clamping plate. The guide plate of the left clamping plate abuts against the inner side of the guide plate of the right clamping plate of the adjacent loading rack.

[0015] Preferably, a groove is provided on one side of the fixed plate, and the bottom plate extends above the groove; crossbeams for mounting sprockets are provided on both sides of the feeding track, and mounting ears extend outward on both sides of the bottom plate, with guide wheels provided on the mounting ears, and the guide wheels are supported on the outside and / or inside of the crossbeams; the driving device includes a drive motor, and a pulley is coaxially connected to the sprocket, and the drive motor drives the pulley and sprocket to move through the belt.

[0016] Preferably, the packaging bag separating mechanism includes a second support, a first clamping assembly for limiting the packaging bag layers, and a bag-grabbing assembly for gripping a single packaging bag, with the second support located above the main sprocket.

[0017] The clamp assembly one and the bag-retrieving assembly two are fixedly installed on the bracket two, with the bag-retrieving assembly located above the clamp assembly one;

[0018] The second support includes a tray for placing packaging bags and a clamp first for holding the packaging bags on the tray. The clamp first is located at one end of the tray, and the bag-removing assembly is located above the tray and at the other end of the tray relative to the clamp first.

[0019] Preferably, the sliding assembly includes a sliding unit 1 and a vertical motion unit 1 mounted on the sliding unit 1. The moving end of the vertical motion unit 1 is fixedly mounted with a suction cup assembly. The vertical motion unit 1 includes a floating mechanism for driving the suction cup assembly to move up and down and a cylinder 2 for driving the clamp 2 to clamp or release. The cylinder 2 is fixedly mounted on the cylinder body of the floating mechanism. The sliding direction of the sliding unit 1 is perpendicular to the extension direction of the horizontal segment of the chain. The end of the cylinder 2 is connected to a connecting rod structure, and the end of the connecting rod is a clamping arm. The cylinder drives the connecting rod structure to move, and the clamping arm is driven to swing by the connecting rod structure. The clamp 1 includes a rotary cylinder, and the rotary cylinder is connected to an L-shaped pressure arm 2. The rotary cylinder can drive the pressure arm 2 to press against the top of the packaging bag.

[0020] Preferably, the clamp also includes a pneumatic gripper, which holds one end of the packaging bag. The pneumatic gripper is mounted on a transfer cylinder located below the pallet and can drive the pneumatic gripper to move left and right. The pallet is a rectangular plate with a limit post on one side and a limit mechanism on the other side. The limit mechanism includes a limit cylinder connected to a limit plate at its end. The limit plate is vertically oriented and the limit cylinder is located below the pallet, which can drive the limit plate to move back and forth. The clamp also includes a separation structure, which is located at the end of the packaging bag that is being suctioned. The separation structure includes a fixing frame and a separation block mounted on the fixing frame. The separation block is triangular, with a triangular inclined surface on the upper end and a flat surface on the lower end. When the suction cup assembly moves the packaging bag upward, its edge passes through the separation block.

[0021] Preferably, the single-bag feeding assembly includes a separating table, a rotating table for adjusting the orientation of the packaging bags, and a transport mechanism for transporting the packaging bags from the separating table to the rotating table.

[0022] Preferably, a sensor for detecting the thickness of the material on the separation platform is installed above the separation platform, and a vacuum adsorption assembly is installed below the separation platform. The adsorption holes of the vacuum adsorption assembly are located on the bottom surface of the separation platform. The transport mechanism includes a vacuum adsorption frame, which can pick up the packaging bag.

[0023] Preferably, the rotary table includes a frame and a rotary motor or rotary cylinder below the frame.

[0024] Because the present invention adopts the above technical solution, it has the following significant technical effects:

[0025] This invention designs an automatic feeding and dispensing production line for packaging bags. This production line can realize large-scale feeding of packaging bags. At the same time, this production line has a compact structure, fast cycle time, fast material picking and feeding speed, and does not have problems such as unlimited picking and feeding. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the production line.

[0027] Figure 2 This is a schematic diagram of the transfer mechanism.

[0028] Figure 3 This is a schematic diagram of the single-bag feeding assembly.

[0029] Figure 4 This is a schematic diagram of the separation stage.

[0030] Figure 5 This is a schematic diagram of the overall structure of the packaging bag feeding mechanism.

[0031] Figure 6 This is a structural diagram of the feeding rack.

[0032] Figure 7 This is a structural diagram of the feeding rack.

[0033] Figure 8 This is a schematic diagram of the overall structure of the bag-separating mechanism.

[0034] Figure 9 This is a schematic diagram of the bag-retrieving component.

[0035] Figure 10 This is a structural schematic diagram of fixture assembly one.

[0036] Figure 11 This is a schematic diagram of the linkage structure.

[0037] The technical names of the reference numerals in the figure are as follows: 100—Support II, 101—Clamping Assembly I, 103—Bag Removal Assembly, 104—Panel, 105—Clamp II, 106—Suction Cup Assembly, 107—Sliding Unit I, 108—Up-Down Movement Unit I, 110—Floating Mechanism, 111—Cylinder II, 112—Clamping Arm, 113—Linkage Structure, 114—Pressure Arm I, 116—Rotary Cylinder, 117—Pressure Arm II, 118—Pneumatic Gripper, 119—Transfer Cylinder, 120—Limit Cylinder, 1 21—Limiting plate, 122—Fixed frame, 123—Separating block, 200—Packaging bag feeding mechanism, 201—Packaging bag separating mechanism, 202—Single bag feeding assembly, 203—Workbench, 204—L-shaped slide, 205—Horizontal slide, 206—Vertical slide, 207—Material picking mechanism, 208—Material picking rack, 209—Material picking arm, 210—Cylinder slide, 211—Pneumatic gripper, 212—Separating table, 213—Rotating table, 214—Transportation mechanism, 215—Vacuum adsorption assembly. Detailed Implementation

[0038] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments.

[0039] Example 1

[0040] An automated packaging bag feeding and dispensing production line includes, in sequence, a packaging bag feeding mechanism 200, a packaging bag separating mechanism 201, and a single bag feeding component 202.

[0041] The packaging bag feeding mechanism 200 is used to feed multiple packaging bags at one time, the packaging bag separating mechanism 201 is used to grab and feed multiple packaging bags transported by the packaging bag feeding mechanism 200 in a single time, and the single bag feeding component 202 is used to perform secondary identification of the packaging bags conveyed by the packaging bag separating mechanism 201 and to connect with the next process.

[0042] The packaging bag feeding mechanism 200 and the packaging bag separating mechanism 201 are connected by a transfer mechanism for transferring packaging bags. The system also includes a workbench 203, on which the feeding mechanism, packaging bag separating mechanism 201, transfer mechanism, and single-bag feeding assembly 202 are all mounted. The main workflow of this solution is as follows: The feeding mechanism feeds stacks of packaging bags, with each feeding consisting of 100 to 500 bags, the exact number depending on the designed clamping slots. Then, the packaging bag transfer mechanism transports the stacks of packaging bags to the packaging bag separating mechanism 201. The packaging bag separating mechanism 201 grips the stacks of packaging bags, picking up only one bag at a time, ensuring that the gripping of a single bag does not disturb other bags. The gripped single bag is then transported to the next workstation for packaging via the single-bag feeding mechanism.

[0043] The packaging bag feeding mechanism 200 includes a frame 1 and a feeding track 2, a feeding rack 3 and a driving device 4 installed on the frame 1;

[0044] The feeding track 2 includes a sprocket and a chain 6, and the drive device 4 drives the sprocket and chain 6 to move.

[0045] The feeding rack 3 is fixedly installed on the chain 6. The feeding rack 3 includes a clamp for holding the packaging bag. When the chain 6 moves, it drives the feeding rack 3 to move synchronously to realize the transportation and feeding of the packaging bag.

[0046] The drive device 4 is connected to the sprocket to drive the sprocket to rotate. The clamping plates are set vertically, and clamping grooves 10 are formed between the clamping plates. The feeding track 2 includes the sprocket section that passes through the sprocket and the horizontal section between the sprocket sections. Adjacent clamping grooves 10 are in the shape of an "eight" when passing through the sprocket section, and are set parallel to each other in the horizontal section.

[0047] The packaging bags to be transported in this solution are medical packaging bags, which are characterized by thick edges and thinner parts. Traditional horizontal placement for loading can lead to problems such as overloading and the bags easily tilting. This solution creatively adopts a design that allows for vertical transport during transportation and horizontal unloading during unloading, thus saving more space.

[0048] The sprockets include a main sprocket 5 on the right and a driven sprocket 22 on the left. The main sprocket 5 and the driven sprocket form a double-chain structure, and a fixing plate 11 is laid between the double chains to form a support frame. There are two driving wheels and two driven wheels 22. The driving wheels and the driven wheels 22 are connected by a connecting shaft to achieve synchronous movement. The driving wheels and the driven wheels 22 are connected by a chain 6. The loading frame 3 includes a fixing plate 11 at the bottom and a frame 12 fixedly installed on the fixing plate 11. The two ends of the fixing plate 11 are fixed to the front chain 6 and the rear chain 6, respectively. The frame 12 includes a clamping plate and a bottom plate 13. The clamping plate includes a left clamping plate 7 and a right clamping plate 8. A clamping groove 10 is formed between the left clamping plate 7 and the right clamping plate 8.

[0049] In this embodiment, the upper ends of both the left clamping plate 7 and the right clamping plate 8 are bent to form guide plates 14, with the bending direction facing both sides of the clamping groove 10, and a flared opening 16 is formed between the guide plates 14. The structure of the flared opening 16 facilitates loading and unloading, avoids interference between loading and unloading, and can also prevent the clamping plates from damaging the plastic bag.

[0050] In this embodiment, the height of the left clamping plate 7 is lower than the height of the right clamping plate 8, and the guide plate 14 of the left clamping plate 7 abuts against the inner side of the guide plate 14 of the right clamping plate 8 of the adjacent loading rack 3. Compared with the design where the left clamping plate 7 and the right clamping plate 8 are at the same height, this clamping plate design can reduce the gap between the clamping plates, thereby allowing more clamping plate structures to be arranged on the transport track.

[0051] To prevent impurities such as oil molecules on chain 6 from falling onto the packaging bag or clamping plate, a relief groove 17 is provided on one side of the fixing plate 11, and the bottom plate 13 extends above the relief groove 17. This staggered design can prevent impurities in the gaps between the fixing plates 11 from contaminating the packaging bag.

[0052] To ensure smooth operation of the entire feeding track 2, this design includes crossbeams 18 for mounting sprockets on both sides of the feeding track 2. Mounting ears extend outwards from both sides of the base plate 13, and guide wheels 15 are mounted on these ears, supporting the crossbeams 18 on their outer and / or inner sides. This guide wheel design ensures stability and reliability of the fixing plate 11, clamping plate, and the clamped packaging bag during movement. The drive unit 4 includes a drive motor 20, with a belt pulley 21 coaxially connected to the sprocket. The drive motor 20 drives the belt pulley 21 and the sprocket via the belt 21. This transmission structure offers advantages such as stability, reliability, and ease of control.

[0053] The feeding track transports stacked packaging bags from the clamping slot 10 to the sprocket section. When the clamping slot is horizontal, the transfer mechanism clamps and removes the packaging bags from the slot. Specifically, the transfer mechanism includes an L-shaped slide 204, which comprises a horizontal slide 205 mounted on the bottom surface of the workbench 203 and a vertical slide 206 mounted on the horizontal slide 205. The vertical slide 206 can move laterally under the drive of the horizontal slide 205, and the length direction of the horizontal slide 205 is consistent with the chain direction. A material-picking mechanism 207 is mounted on the vertical slide 206, which can drive the material-picking mechanism 207 to slide up and down.

[0054] The material handling mechanism 207 includes a material handling frame 208 mounted on a vertical slide table 206. The material handling frame 208 is horizontally positioned and includes front and rear material handling arms 209. A cylinder slide table 210 is mounted on each material handling arm 209, and a pneumatic gripper 211 is mounted on the cylinder slide table 210. The L-shaped slide table 204 can drive the pneumatic gripper to reach the sprocket section on the side of the main sprocket to clamp the packaging bags. After transfer, the stacked packaging bags are transported to the packaging bag separating mechanism 201.

[0055] The packaging bag separating mechanism 201 includes a second support 100, a clamping assembly 101 for limiting the packaging bag layers, and a bag-grabbing assembly 103 for gripping a single packaging bag. The clamping assembly 101 is mainly used to clamp stacked packaging bags to prevent the gripping process from disturbing the other packaging bags. The purpose of the bag-grabbing assembly 103 is to pick up one packaging bag at a time. This solution uses an adsorption unit for adsorption and some structural design to ensure that one packaging bag is gripped at a time. At the same time, the gripped packaging bag is clamped to prevent it from falling off during subsequent transportation.

[0056] The clamp assembly 101 and the bag-taking assembly 103 are fixedly installed on the bracket 100, with the bag-taking assembly 103 located above the clamp assembly 101. The top-bottom design makes the overall solution more compact, saves space, reduces travel between workstations, and helps to speed up the production cycle.

[0057] The second support 100 includes a tray 104 for placing packaging bags, on which the packaging bags transferred by the transfer mechanism are first placed. It also includes a clamp 1 for holding the packaging bags on the tray 104. The clamp 1 is located at one end of the tray 104, and the bag picking assembly 103 is located above the tray 104 and at the other end of the tray 104 opposite to the clamp 1. The stacked packaging bags are placed on the tray 104 and then clamped and fixed by the clamp.

[0058] The bag-grabbing assembly 103 includes a sliding assembly and a suction cup assembly 106 for adsorbing packaging bags. The suction cup uses vacuum to adsorb the packaging bags. The sliding assembly is also equipped with a second clamp 105. After the suction cup assembly 106 picks up the packaging bag, the second clamp 105 clamps the front and rear sides of the packaging bag. The main purpose of the solution provided in this embodiment is to grab one packaging bag at a time without disturbing stacked packaging bags.

[0059] In this embodiment, the sliding assembly includes a sliding unit 107 and a vertical movement unit 108 mounted on the sliding unit 107. A suction cup assembly 106 is fixedly mounted on the moving end of the vertical movement unit 108. The vertical movement unit 108 includes a floating mechanism 110 for driving the suction cup assembly 106 to move up and down, and a cylinder 111 for driving the clamp 105 to grip or release. The cylinder 111 is fixedly mounted on the cylinder body of the floating mechanism 110. The main purpose of the horizontal movement unit 1 is to send the gripped packaging bag to the next workstation, and the purpose of the vertical movement unit 108 is to grip the packaging bag. The elastic floating mechanism 110 (spring not shown) floats to ensure that the suction nozzle can contact the product. The product itself may have warped or wrinkled features; without floating, the suction nozzle may not be able to pick up the product.

[0060] In this embodiment, a connecting rod structure 113 is connected to the end of cylinder 111, and the end of the connecting rod is a clamping arm 112. The cylinder drives the connecting rod structure 113 to move, and the clamping arm 112 is driven to swing by the connecting rod structure 113. The connecting rod structure 113 is a four-bar structure, and the pressure arm is fixed to the end of the four-bar. After the gripping action is completed, cylinder 111 drives the connecting rod structure 113 to move and uses the clamping arm 112 and the pressure arm to clamp the front and rear sides of the packaging bag.

[0061] In this embodiment, the clamp includes a rotary cylinder 116, which is connected to an L-shaped pressure arm 117. The rotary cylinder 116 can drive the pressure arm 117 to press against the top of the packaging bag. The purpose of the pressure arm 117 is to exert a downward force on the stacked packaging bags during the process of pulling out the packaging bag, so as to prevent the packaging bags below from being lifted. Its function is to rotate and press the bags. The equipment also has a pressure gauge, which is used to adjust the pressure of the rotary cylinder on the product to prevent the packaging bag from being damaged or leaving marks due to excessive pressure.

[0062] In this embodiment, the clamp also includes a pneumatic gripper 118, which clamps one end of the packaging bag. The purpose of the pneumatic gripper 118 is to prevent the entire packaging bag from being sucked up during the initial adsorption stage, which is beneficial for the action after adsorption.

[0063] To facilitate material loading, pneumatic grippers 118 are mounted on transfer cylinders 119, which are located below pallets 104. Transfer cylinders 119 can drive pneumatic grippers 118 to move left and right. In the initial stage, transfer cylinders 119 move pneumatic grippers 118 away from pallets 104 to provide more space for material loading.

[0064] In this embodiment, the pallet 104 is a rectangular plate with a limit post on one side of its length direction and a limit mechanism on the other side. The limit mechanism includes a limit cylinder 120, and the end of the limit cylinder 120 is connected to a limit plate 121. The limit plate 121 is arranged vertically, and the limit cylinder 120 is located on the lower side of the pallet 104 and can drive the limit plate 121 to move back and forth.

[0065] This solution also includes a separation structure, which is set at the end of the packaging bag that is being suctioned. The separation structure includes a fixing frame 122 and a separation block 123 installed on the fixing frame 122. The separation block 123 is triangular, with the upper end face of the separation block 123 being a triangular inclined surface and the lower end face being a flat surface. When the suction cup assembly 106 drives the packaging bag to move upward, the edge passes through the separation block 123.

[0066] By adding a suction cup component 106 to adsorb two or more packaging bags, the bags will bend during the lifting process due to hitting the sorting block, thus separating the two packaging bags and enabling single-bag feeding.

[0067] The main workflow of the bagging mechanism is as follows:

[0068] The transfer mechanism places the stacked packaging bags on the pallet 104, and then the pneumatic gripper 118 clamps the left end of the packaging bag. The rotary motor 116 drives the pressure arm 117 to press on the packaging bag, and then the suction cup assembly 106 adsorbs the top layer of packaging bag, specifically adsorbing the right end. Then the right end is sucked up. During the suction process, the separation block 123 of the separation structure can knock off the lower layer of packaging bag that has been adsorbed, thereby realizing the gripping of a single packaging bag. Then the pneumatic gripper 118 opens, and the pressure arm 117 is still pressed firmly on the packaging bag. The clamp 105 fixes the front and back sides of the packaging bag through the pressure arm and the clamping arm 112. Then the sliding unit 107 drives the picking unit to pick up the packaging bag.

[0069] After the bag-separating mechanism completes the material handling of a single packaging bag, it transports the packaging bag to the single-bag feeding component 202 via the horizontal sliding platform and the vertical sliding platform.

[0070] The single-bag feeding assembly 202 includes a separation platform 212, a rotary table 213 for adjusting the orientation of the packaging bags, and a transport mechanism 214 for transporting the packaging bags from the separation platform 212 to the rotary table 213. A sensor for detecting the thickness of the material on the separation platform 212 is provided above the separation platform 212, and a vacuum adsorption assembly 215 is provided below the separation platform 212. The adsorption holes of the vacuum adsorption assembly 215 are located on the bottom surface of the separation platform 212. The transport mechanism 214 includes a vacuum adsorption frame that can pick up the packaging bags. The rotary table 213 includes a frame and a rotary motor or rotary cylinder below the frame. Above the specific separation table 212 is a displacement sensor that detects the thickness of the packaging bags. It can detect the number of bags being clamped. If the detected value is the thickness of one bag, the bag is transferred to the next station normally. If it's the thickness of two bags, the vacuum suction below the separation table opens to hold the lower bag, and simultaneously, the negative pressure of the transfer mechanism above opens, separating the two bags. If the value is three or more, the waste removal mechanism 500 on the side clamps and removes all the bags; otherwise, it cannot be guaranteed that the bags will be removed one by one, and it will be impossible to separate more than three bags. In this embodiment, the thickness of one bag is 0.12mm. The sensor values ​​are set to approximately 0-0.15mm for one bag, 0.16-0.26mm for two bags, and greater than 0.27mm for three or more bags, which are then rejected. The rejection mechanism 500 consists of a rodless cylinder, upper and lower sliding tables, and a pneumatic gripper.

[0071] If multiple packaging bags are transported to the separation table 212 by the packaging bag separation mechanism, the separation table 212 will be activated. The upper layer of the separation table 212 will pick up the material and the lower layer will be adsorbed, which ensures that the upper and lower layers do not interfere with each other and that the upper layer will not suck up two packaging bags to the rotating table 213, thus ensuring the stability of the individual feeding of packaging bags.

[0072] Example 2

[0073] The difference from Embodiment 1 is that the suction cup assembly 106 has two suction cups.

[0074] Example 3

[0075] The difference from Embodiment 1 is that the sliding unit 107 achieves lateral movement through a ball screw assembly in conjunction with a slide rail.

Claims

1. An automatic feeding and dispensing production line for packaging bags, characterized in that: The process flow includes, in sequence, a packaging bag feeding mechanism (200), a packaging bag separating mechanism (201), and a single bag feeding component (202). The packaging bag feeding mechanism (200) is used to feed multiple packaging bags at one time, the packaging bag separating mechanism (201) is used to grab and feed multiple packaging bags transported by the packaging bag feeding mechanism (200) in a single time, and the single bag feeding component (202) is used to perform secondary identification of the packaging bags conveyed by the packaging bag separating mechanism (201) and to connect with the next process. The packaging bag feeding mechanism (200) and the packaging bag separating mechanism (201) transfer the packaging bags through a transfer mechanism. The system also includes a workbench (203). The packaging bag feeding mechanism (200), the packaging bag separating mechanism (201), the transfer mechanism, and the single bag feeding component (202) are all installed on the workbench (203). The packaging bag feeding mechanism (200) includes a frame (1) and a feeding track (2), a feeding rack (3) and a drive device (4) mounted on the frame (1); the feeding track (2) includes a sprocket and a chain (6), and the drive device (4) drives the sprocket and the chain (6) to move; the feeding rack (3) is fixedly mounted on the chain (6), and the feeding rack (3) includes a clamp for holding the packaging bag. When the chain (6) moves, it drives the feeding rack (3) to move synchronously to realize the transportation and feeding of the packaging bag; The drive device (4) is connected to the sprocket and drives the sprocket to rotate. The clamping plates are set vertically and clamping grooves (10) are formed between the clamping plates. The feeding track (2) includes the sprocket section that passes through the sprocket and the horizontal section between the sprocket sections. The adjacent clamping grooves (10) are in the shape of an "eight" when passing through the sprocket section and are set parallel to each other in the horizontal section. The packaging bag separating mechanism (201) includes a second support (100), a first clamping assembly (101) for limiting the packaging bag layers, and a bag-grabbing assembly (103) for gripping a single packaging bag. The second support (100) is located above the main sprocket (5). The clamp assembly one (101) and the bag taking assembly (103) are fixedly installed on the bracket two (100), with the bag taking assembly (103) located above the clamp assembly one (101); The second support (100) includes a tray (104) for placing packaging bags, and a clamp first for holding the packaging bags on the tray (104). The clamp first is located at one end of the tray (104), and the bag-removing assembly (103) is located above the tray (104) and at the other end of the tray (104) relative to the clamp first. The sliding assembly includes a sliding unit (107) and a vertical motion unit (108) mounted on the sliding unit (107). A suction cup assembly (106) is fixedly mounted on the moving end of the vertical motion unit (108). The vertical motion unit (108) includes a floating mechanism (110) for driving the suction cup assembly (106) to float up and down, and a cylinder (111) for clamping or releasing the drive clamp (105). The cylinder (111) is fixedly mounted on the cylinder body of the floating mechanism (110). The sliding direction of Yuan Yi (107) is perpendicular to the extension direction of the horizontal section of the chain; the end of the cylinder two (111) is connected to a connecting rod structure (113), and the end of the connecting rod is a clamping arm (112). The cylinder two (111) drives the connecting rod structure (113) to move, and the clamping arm (112) is driven to swing by the connecting rod structure (113); the clamp one includes a rotary cylinder (116), and the rotary cylinder (116) is connected to an L-shaped pressure arm two (117). The rotary cylinder (116) can drive the pressure arm two (117) to press against the top of the packaging bag; The bag-taking assembly (103) includes a sliding assembly and a suction cup assembly (106) for adsorbing the packaging bag. The sliding assembly is also provided with a clamp second (105). After the suction cup assembly (106) picks up the packaging bag, the clamp second (105) clamps the front and rear sides of the packaging bag. The fixture also includes a pneumatic gripper (118), which grips one end of the packaging bag. The pneumatic gripper (118) is mounted on a transfer cylinder (119), which is located below the pallet (104). The transfer cylinder (119) can drive the pneumatic gripper (118) to move left and right. The pallet (104) is a rectangular plate with a limit post on one side and a limit mechanism on the other side. The limit mechanism includes a limit cylinder (120), and the end of the limit cylinder (120) is connected to a limit plate (121). (121) Vertically set, the limiting cylinder (120) is located on the lower side of the pallet (104) and can drive the limiting plate (121) to move back and forth; it also includes a separation structure, which is set at the end of the packaging bag that is suctioned. The separation structure includes a fixing frame (122) and a separation block (123) installed on the fixing frame (122). The separation block (123) is triangular, the upper end face of the separation block (123) is a triangular inclined surface, and the lower end face is a plane. When the suction cup assembly (106) drives the packaging bag to move upward, the edge of the packaging bag passes through the separation block (123).

2. The automatic feeding and dispensing production line for packaging bags according to claim 1, characterized in that: The transfer mechanism includes an L-shaped slide (204), which includes a horizontal slide (205) installed on the bottom surface of the worktable (203) and a vertical slide (206) installed on the horizontal slide (205). The vertical slide (206) can move laterally under the drive of the horizontal slide (205). The length direction of the horizontal slide (205) is consistent with the direction of the chain. A material picking mechanism (207) is installed on the vertical slide (206), which can drive the material picking mechanism (207) to slide up and down. The material handling mechanism (207) includes a material handling frame (208) installed on a vertical slide (206). The material handling frame (208) is horizontally arranged and includes front and rear material handling arms (209). A cylinder slide (210) is provided on the material handling arm (209). A pneumatic gripper (211) is provided on the cylinder slide (210). The L-shaped slide (204) can drive the pneumatic gripper to reach the sprocket section on the side of the main sprocket to clamp the packaging bag.

3. The automatic feeding and dispensing production line for packaging bags according to claim 1, characterized in that: The sprockets include a main sprocket (5) on the right and a driven sprocket (22) on the left. There are two main sprockets (5) and two driven sprockets (22). The main sprockets (5) and the driven sprockets (22) are connected by a connecting shaft to achieve synchronous movement. The main sprockets (5) and the driven sprockets (22) are connected by a chain (6). The loading rack (3) includes a fixed plate (11) at the bottom and a frame (12) fixedly mounted on the fixed plate (11). The two ends of the fixed plate (11) are fixed to the front chain (6) and the rear chain (6), respectively. The frame includes a clamping plate and a base plate (13). The clamping plate includes a left clamping plate (7) and a right clamping plate (8). A clamping groove (10) is formed between the left clamping plate (7) and the right clamping plate (8). The upper ends of the left clamping plate (7) and the right clamping plate (8) are bent to form guide plates (14). The bending direction is towards both sides of the clamping groove (10). A flared mouth (16) is formed between the guide plates (14). The height of the left clamping plate (7) is lower than the height of the right clamping plate (8). The guide plate (14) of the left clamping plate (7) abuts against the inner side of the guide plate (14) of the right clamping plate (8) of the adjacent loading rack (3).

4. The automatic feeding and dispensing production line for packaging bags according to claim 3, characterized in that: A slot (17) is provided on one side of the fixed plate (11), and the bottom plate (13) extends above the slot (17); a cross frame (18) for installing sprockets is provided on both sides of the feeding track (2), and mounting ears extend outward from both sides of the bottom plate (13), and guide wheels (15) are provided on the mounting ears. The guide wheels (15) are supported on the outside and / or inside of the cross frame (18); the driving device (4) includes a drive motor (20), and a pulley is coaxially connected to the sprocket. The drive motor (20) drives the pulley and sprocket to move through the belt (21).

5. The automatic feeding and dispensing production line for packaging bags according to claim 1, characterized in that: The single-bag feeding assembly (202) includes a separation table (212), a rotary table (213) for adjusting the orientation of the packaging bags, and a transport mechanism (214) for transporting the packaging bags on the separation table (212) to the rotary table (213).

6. The automatic feeding and dispensing production line for packaging bags according to claim 5, characterized in that: A sensor for detecting the thickness of the material on the separation platform (212) is provided above the separation platform (212), and a vacuum adsorption assembly (215) is provided below the separation platform (212). The adsorption holes of the vacuum adsorption assembly (215) are located on the bottom surface of the separation platform (212). The transport mechanism (214) includes a vacuum adsorption rack, which can pick up the packaging bag.

7. The automatic feeding and dispensing production line for packaging bags according to claim 6, characterized in that: The rotary table (213) includes a frame and a rotary motor or rotary cylinder below the frame.

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