Simple bagging machine

Abstract

The invention belongs to the field of packaging machines, and relates to a simple bagging machine which comprises a rack, a material conveying mechanism is arranged on the rack, a bagging platform is arranged on one side of the material conveying mechanism, and a material pushing mechanism for conveying materials on the material conveying mechanism to the bagging platform is further arranged on the rack. A bag taking station, a bag opening station and a sealing station are sequentially arranged on the bagging platform, the bag moving mechanism moves bags on the bag taking station to the bag opening station, and meanwhile the bag moving mechanism moves the bags on the bag opening station to the sealing mechanism. The bag moving mechanism comprises a bag moving drive, an upper bag clamping air cylinder and a lower bag clamping air cylinder, the output end of the upper bag clamping air cylinder is connected with a first upper clamping plate and a second upper clamping plate, the output end of the lower bag clamping air cylinder is connected with a first lower clamping plate and a second lower clamping plate, and the first upper clamping plate and the second upper clamping plate are arranged on the two adjacent stations; the device has the advantages that the packaging bags are conveyed in a reciprocating mode through the bag moving mechanism, and therefore the equipment size is greatly reduced under the condition that the working efficiency is not affected.

Description

Technical Field

[0001] The invention belongs to the field of packaging machines and relates to a simple bagging machine. Background Art

[0002] The traditional bagging machine has two conveyor belt systems, one is the material conveyor belt for conveying materials, and the other is the bag conveyor belt for conveying bags. Its working principle is that the material is placed on the material conveyor belt for conveying, and the bags are conveyed through multiple stations on the bag conveyor belt. When the material passes and the bags arrive at the bag opening station, the pusher mechanism pushes the material into the bag. The bag conveyor belt conveys the bags to the next station. This structure takes up a lot of factory space because the bag conveyor belt system is large in size, some of which can reach a length of more than ten meters. Summary of the invention

[0003] In view of the above problems, the present invention provides a simple bagging machine, which has the advantage of transporting packaging bags in a reciprocating manner through a bag moving mechanism, thereby greatly reducing the volume of the equipment without affecting the working efficiency.

[0004] The object of the present invention is achieved in that: A simple bagging machine comprises a frame, a material conveying mechanism is arranged on the frame, a bagging platform is arranged on one side of the material conveying mechanism, a material pushing mechanism is also arranged on the frame for conveying the material on the material conveying mechanism to the bagging platform, a bag taking station, a bag stretching station and a sealing station are arranged on the bagging platform in sequence, the bag taking station, the bag stretching station and the sealing station are arranged equidistantly, a bag taking mechanism is arranged on the bag taking station, a bag stretching mechanism is arranged on the bag stretching station, a sealing mechanism is arranged on the sealing station, and a bag moving mechanism is also arranged on the frame, the bag moving mechanism moves the bag on the bag taking station to the bag stretching station, and the bag moving mechanism simultaneously moves the bag on the bag stretching station to the sealing mechanism; The bag moving mechanism comprises a bag moving drive, the bag moving drive is fixedly connected to the bag moving frame, the upper end of the bag moving frame is provided with an upper bag clamping cylinder, and the lower end of the bag moving frame is provided with a lower bag clamping cylinder, the output ends of the upper bag clamping cylinder and the lower bag clamping cylinder are arranged facing each other, the output end of the upper bag clamping cylinder is connected to the first upper connecting frame and the second upper connecting frame, and the output end of the lower bag clamping cylinder is connected to the first lower connecting frame and the second lower connecting frame. The first upper connecting frame is fixed with a first upper clamping plate, and the first lower connecting frame is fixed with a first lower clamping plate, and the first upper clamping plate and the first lower clamping plate are arranged correspondingly, and under the drive of the upper bag clamping cylinder and the lower bag clamping cylinder, the first lower clamping plate and the first upper clamping plate perform an opening and closing action; the second upper connecting frame is fixed with a second upper clamping plate, and the second lower connecting frame is fixed with a second lower clamping plate, and the second upper clamping plate and the second lower clamping plate perform an opening and closing action; A bag transferring groove is formed on the bagging platform, and the bag transferring groove extends from the bag taking station through the bag stretching station to the sealing station, and the first upper clamping plate and the first lower clamping plate are correspondingly arranged on the upper and lower sides of the bag transferring groove; the second upper clamping plate and the second lower clamping plate are correspondingly arranged on the upper and lower sides of the bag transferring groove, and the first upper clamping plate and the second upper clamping plate are arranged on two adjacent stations.

[0005] The first upper connecting frame and the second upper connecting frame are both fixed to the output end of the upper bag clamping cylinder, the first lower connecting frame and the second lower connecting frame are both fixed to the output end of the lower bag clamping cylinder, and the upper bag clamping cylinder and the lower bag clamping cylinder are both fixed to the bag moving frame and move synchronously through the bag moving drive, so that when the first upper clamping plate and the first lower clamping plate are clamped, the second upper clamping plate and the second lower clamping plate are also clamped. Specifically, the first upper clamping plate and the first lower clamping plate clamp the packaging bag at the bag taking station, and the second upper clamping plate and the second lower clamping plate clamp the packaging bag at the bag spreading station, and then the bag moving drive drives the two groups of clamping plates to move to the next station at the same time, the first upper clamping plate and the first lower clamping plate move the packaging bag to the bag spreading station, and the second upper clamping plate and the second lower clamping plate move the packaging bag to the sealing station; then the two groups of upper and lower clamping plates are separated, the bag moving drive is reset, the first upper clamping plate and the first lower clamping plate return to the bag taking station to prepare to clamp the next packaging bag, and at the same time, the second upper clamping plate and the second lower clamping plate return to the bag spreading station to prepare to clamp the next packaging bag. This reciprocating movement greatly reduces the size of the packaging machine.

[0006] The present invention is further configured as follows: a bag pushing plate is also connected to the upper bag clamping cylinder, the bag pushing plate is arranged in the forward direction of the second upper clamping plate, the second upper clamping plate is arranged between the first upper clamping plate and the bag pushing plate, and when the second upper clamping plate and the second lower clamping plate are clamped, the bag pushing plate approaches the platform.

[0007] By setting the bag pushing plate, when the second upper clamping plate and the second lower clamping plate clamp the packaging bag at the bag opening station and move it to the sealing device, the bag pushing plate descends to the upper surface of the bagging platform together with the upper bag clamping cylinder, preferably as close to the upper surface as possible, and then pushes the packaging bag on the sealing station to the finished product area. By sharing an upper bag clamping cylinder with the bag pushing plate, the first upper clamping plate and the second upper clamping plate, synchronous and orderly movement of multiple stations can be achieved, and driving costs are saved.

[0008] The present invention is further configured as follows: the bag opening mechanism includes an upper bag opening cylinder and a lower bag opening cylinder arranged on the upper and lower sides of the bag opening station, a bag opening groove is formed on the bag opening station, the output end of the upper bag opening cylinder extends downward and is fixed with an upper suction cup, and the output end of the lower bag opening cylinder extends upward and is fixed with a lower suction cup; the pushing mechanism is arranged corresponding to the bag opening station.

[0009] By setting the bag opening mechanism, the bag mouth is opened at the bag opening station, making it convenient for the pushing mechanism to push the material into the packaging bag.

[0010] The present invention is further configured as follows: a bag pressing mechanism is also provided on the bag spreading station, and the bag pressing mechanism includes a bag pressing motor and a bag pressing screw rod arranged on a frame, the bag pressing screw rod is driven by the bag pressing motor, two bag pressing nuts are sleeved on the bag pressing screw rod, a bag pressing connecting plate is connected to the bag pressing nuts, a bag pressing cylinder is fixed to the bag pressing connecting plate, an output end of the bag pressing cylinder is downwardly arranged and connected to a bag pressing rod, a bag pressing seat is arranged below the bag pressing rod, the bag pressing seat is also fixed on the bag pressing connecting plate, and the upper surface of the bag pressing seat is flush with the upper surface of the bagging platform.

[0011] The bag pressing mechanism has two functions. One is: when the first upper clamping plate and the first lower clamping plate send the packaging bag on the bag taking station to the bag spreading station, the two sides of the packaging bag are pressed by the bag pressing mechanism, and then the first upper clamping plate and the first lower clamping plate are released, so that the packaging bag can be effectively guaranteed not to move when the first upper clamping plate and the first lower clamping plate are released; The second is: after the bag pressing mechanism presses the two sides of the packaging bag, the two bag pressing rods and the bag pressing seat are driven to approach each other through the design of the bag pressing motor, the bag pressing screw and the bag pressing nut, and then the bag opening mechanism opens the bag mouth. Since the bag pressing rods press the two sides of the packaging bag, the two sides of the bag mouth of the packaging bag are protected from being torn, and the packaging bag will not be displaced.

[0012] The present invention is further configured as follows: the bag pressing screw is a positive and negative thread screw including a positive thread segment and a negative thread segment, and two bag pressing nuts are respectively arranged on the positive thread segment and the negative thread segment.

[0013] The present invention is further configured as follows: a bag holding mechanism is also provided on the bag opening station, and the bag holding mechanism includes two bag holding motors fixed on a frame, the output end of the bag holding motor is rotatably connected to a swing arm, the other end of the swing arm is fixedly connected to a rotating shaft, the other end of the rotating shaft is fixed with a bag holding plate, and the two bag holding plates are symmetrically arranged on both sides of the bag opening station.

[0014] When the bag opening mechanism opens the bag opening, the two sides of the bag opening are tilted downward, which is not conducive to the entry of materials. Through the design of the bag support mechanism, the bag support plate opens the two sides of the opening, so that the bag opening after opening is rectangular, which is convenient for material entry.

[0015] The present invention is further configured as follows: the bag taking mechanism includes a bag bin arranged above the bag taking station, a bag taking up and down drive is arranged below the bag taking station, a bag taking seat is fixed at the output end of the bag taking up and down drive, a plurality of suction cups are fixed on the bag taking seat, and a bag taking slot for the suction cups to pass through is formed on the platform. The bag transfer slot and the bag taking slot can be designed as one piece, or can be arranged at intervals.

[0016] The present invention is further configured as follows: the sealing mechanism includes a sealing frame, an upper sealing knife cylinder is provided at the upper end of the sealing frame, a lower sealing knife cylinder is provided at the lower end of the sealing frame, the lower end of the upper sealing knife cylinder is connected to an upper sealing knife connecting plate, the lower end of the upper sealing knife connecting plate is connected to an upper sealing knife, the upper end of the lower sealing knife cylinder is connected to a lower sealing knife connecting plate, the upper end of the lower sealing knife connecting plate is connected to a lower sealing knife, and the upper sealing knife connecting plate and the lower sealing knife connecting plate are sleeved on two guide pillars.

[0017] The present invention is further configured as follows: the material conveying mechanism includes a conveying motor, a driving wheel, a driven wheel and a conveyor belt, the conveying motor drives the driving wheel to rotate, the conveyor belt is sleeved on the driving wheel and the driven wheel and driven by the driving wheel, and a plurality of spacer plates are arranged on the conveyor belt at intervals, and every two spacer plates form a group to separate a material trough that passes through from front to back.

[0018] Through the design of the material trough, the position of each material is accurate, so that the pushing mechanism can more accurately push the material into the packaging bag at the bag opening station.

[0019] The present invention is further configured as follows: the pushing mechanism includes a pushing drive fixed on the frame, a pushing connecting rod is fixed on the output end of the pushing drive, the pushing connecting rod is fixedly connected to a pushing plate, the pushing plate is arranged corresponding to the bag opening station, and the pushing drive drives the pushing plate to push the material in the material trough into the bag opening station.

[0020] The bag shifting mechanism is a kind of multi-functional bag shifting mechanism, and its upper and lower parts are the same as the bag shifting mechanism, and its lower and upper parts are the same as the bag shifting mechanism. Through this reciprocating movement, the size of the packaging machine is greatly reduced without affecting the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the structure of the bagging machine.

[0023] Figure 2 It is a structural schematic diagram of the bag transfer mechanism and the bagging platform.

[0024] Figure 3 It is a structural schematic diagram of the bag transfer mechanism.

[0025] Figure 4 It is a structural schematic diagram of the material conveying mechanism and the material pushing mechanism.

[0026] Figure 5 It is a structural schematic diagram of the bag taking mechanism.

[0027] Figure 6 It is a schematic diagram of the structures of the bag opening mechanism, the bag pressing mechanism and the bag supporting mechanism.

[0028] Figure 7 It is a schematic diagram of the structures of the bag pressing mechanism and the bag supporting mechanism.

[0029] Figure 8 It is a structural schematic diagram of the sealing mechanism.

[0030] 0-frame; 1-material conveying mechanism; 11-material; 12-conveying motor; 13-driving wheel; 14-driven wheel; 15-conveying belt; 16-spacer; 17-material trough; 2-bagging platform; 21-bag taking station; 22-bag opening station; 23-sealing station; 24-bag transfer slot; 25-packaging bag; 26-bag opening slot; 27-bag taking slot; 3-push mechanism; 31-push drive; 32-push connecting rod; 33-push plate; 4-bag taking mechanism; 41-bag bin; 42-bag taking up and down drive; 43-bag taking seat; 44-suction cup; 5-bag opening mechanism; 51-upper bag opening cylinder; 52-lower bag opening cylinder; 53-upper suction cup; 54-lower suction cup; 6-sealing mechanism; 61-sealing frame; 62-upper sealing knife cylinder; 621-upper sealing knife connecting plate; 622-upper sealing knife; 63-lower sealing knife cylinder; 631-lower sealing knife connecting plate; 632-lower sealing knife; 64-guide column; 7-bag moving mechanism; 71-bag moving drive; 72-bag moving frame; 73-upper bag clamping cylinder; 74-lower bag clamping cylinder; 751-first upper connecting frame; 752-first lower connecting frame; 753-first upper clamping plate; 754-first lower clamping plate; 761-second upper connecting frame; 762-second lower connecting frame; 763-second upper clamping plate; 764-second lower clamping plate; 77-bag pushing plate; 8-bag pressing mechanism; 81-bag pressing motor; 82-bag pressing screw rod; 83-bag pressing nut; 84-bag pressing connecting plate; 85-bag pressing cylinder; 86-bag pressing rod; 87-bag pressing seat; 9-bag holding mechanism; 91-bag holding motor; 92-swing arm; 93-rotating shaft; 94-bag holding plate. DETAILED DESCRIPTION

[0031] To make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the present invention.

[0032] A simple bagging machine comprises a frame 0, on which a material conveying mechanism 1 is arranged, a bagging platform 2 is arranged on one side of the material conveying mechanism 1, and a pushing mechanism 3 for conveying a material 11 on the material conveying mechanism 1 to the bagging platform 2 is also arranged on the frame, and a bag taking station 21, a bag stretching station 22 and a sealing station 23 are arranged in sequence on the bagging platform 2, and the bag taking station 21, the bag stretching station 22 and the sealing station 23 are arranged equidistantly, a bag taking mechanism 4 is arranged on the bag taking station 21, a bag stretching mechanism 5 is arranged on the bag stretching station 22, and a sealing mechanism 6 is arranged on the sealing station 23, and a bag moving mechanism 7 is also arranged on the frame, and the bag moving mechanism 7 moves the bag on the bag taking station 21 to the bag stretching station 22, and the bag moving mechanism 7 simultaneously moves the bag on the bag stretching station 22 to the sealing mechanism 23; The bag moving mechanism 7 includes a bag moving drive 71, to which a bag moving frame 72 is fixedly connected, an upper bag clamping cylinder 73 is arranged at the upper end of the bag moving frame 72, and a lower bag clamping cylinder 74 is arranged at the lower end of the bag moving frame 72. The output ends of the upper bag clamping cylinder 73 and the lower bag clamping cylinder 74 are arranged opposite to each other, the output end of the upper bag clamping cylinder 73 is connected to a first upper connecting frame 751 and a second upper connecting frame 761, the output end of the lower bag clamping cylinder 74 is connected to a first lower connecting frame 752 and a second lower connecting frame 762, the first upper connecting frame 751 is fixed with a first upper clamping plate 753, and the first lower connecting frame 762 is fixed with a first upper clamping plate 754. The connecting frame 752 is fixed with a first lower clamping plate 754, and the first upper clamping plate 753 and the first lower clamping plate 754 are arranged correspondingly. Under the drive of the upper bag clamping cylinder 73 and the lower bag clamping cylinder 74, the first lower clamping plate 753 and the first upper clamping plate 754 perform an opening and closing action; the second upper connecting frame 761 is fixed with a second upper clamping plate 763, and the second lower connecting frame 762 is fixed with a second lower clamping plate 764. The second upper clamping plate 763 and the second lower clamping plate 764 are arranged correspondingly. Under the drive of the upper bag clamping cylinder 73 and the lower bag clamping cylinder 64, the second lower clamping plate 763 and the second upper clamping plate 764 perform an opening and closing action; A bag transferring groove 24 is formed on the bagging platform 2, and the bag transferring groove 24 extends from the bag taking station 21 through the bag stretching station 22 to the sealing station 23. The first upper clamping plate 753 and the first lower clamping plate 754 are correspondingly arranged on the upper and lower sides of the bag transferring groove 24; the second upper clamping plate 763 and the second lower clamping plate 764 are correspondingly arranged on the upper and lower sides of the bag transferring groove 24, and the first upper clamping plate 753 and the second upper clamping plate 763 are arranged on two adjacent stations.

[0033] The first upper connecting frame 751 and the second upper connecting frame 761 are both fixed to the output end of the upper bag clamping cylinder 73, the first lower connecting frame 761 and the second lower connecting frame 762 are both fixed to the output end of the lower bag clamping cylinder 74, and the upper bag clamping cylinder 73 and the lower bag clamping cylinder 74 are both fixed on the bag moving frame 72 and move synchronously through the bag moving drive 71, so that when the first upper clamping plate 753 and the first lower clamping plate 754 are clamped, the second upper clamping plate 763 and the second lower clamping plate 764 are also clamped. Specifically, the first upper clamping plate 753 and the first lower clamping plate 754 clamp the packaging bag 25 at the bag taking station 21, and the second upper clamping plate 763 and the second lower clamping plate 764 clamp the packaging bag at the bag opening station 22, and then the bag transfer drive 71 drives the two groups of clamping plates to move to the next station at the same time, the first upper clamping plate 753 and the first lower clamping plate 754 move the packaging bag to the bag opening station 22, and the second upper clamping plate 763 and the second lower clamping plate 764 move the packaging bag to the sealing station 23; then the two groups of upper and lower clamping plates are separated, and the bag transfer drive 71 is reset, and the first upper clamping plate 753 and the first lower clamping plate 754 return to the bag taking station 21 to prepare to clamp the next packaging bag, and at the same time, the second upper clamping plate 763 and the second lower clamping plate 764 return to the bag opening station 11 to prepare to clamp the next packaging bag. Through such a reciprocating movement, the volume of the packaging machine is greatly reduced.

[0034] The upper bag clamping cylinder 73 is also connected with a bag pushing plate 77, which is arranged in the forward direction of the second upper clamping plate 763, and the second upper clamping plate 763 is arranged between the first upper clamping plate 753 and the bag pushing plate 77. When the second upper clamping plate 763 and the second lower clamping plate 764 are clamped, the bag pushing plate 77 approaches the bagging platform. Through the arrangement of the bag pushing plate 77, when the second upper clamping plate 763 and the second lower clamping plate 764 clamp the packaging bag at the bag-opening station 22 and move toward the sealing station 23, the bag pushing plate 77 follows the upper bag clamping cylinder 73 and descends to the upper surface of the bagging platform 2, preferably as close to the upper surface as possible, and then the bag pushing plate 77 pushes the packaging bag on the sealing station 23 to the finished product area, and the bag pushing plate 77, the first upper clamping plate 753 and the second upper clamping plate 763 share one upper bag clamping cylinder 73, thereby realizing synchronous and orderly movement of multiple stations and saving driving costs.

[0035] The bag-opening mechanism 5 includes an upper bag-opening cylinder 51 and a lower bag-opening cylinder 52 arranged at the upper and lower sides of the bag-opening station 22. The bag-opening station 22 is formed with a bag-opening groove 26, which can be designed as an integral part of the bag-moving groove or can be designed as a spacer. The output end of the upper bag-opening cylinder 51 extends downward and is fixed with an upper suction cup 53, and the output end of the lower bag-opening cylinder 52 extends upward and is fixed with a lower suction cup 54. The material pushing mechanism 3 is arranged corresponding to the bag-opening station 22. By setting the bag-opening mechanism, the bag mouth is opened at the bag-opening station, which facilitates the material pushing mechanism to push the material into the packaging bag.

[0036] The bag stretching station 22 is also provided with a bag pressing mechanism 8, which includes a bag pressing motor 81 and a bag pressing screw 82 arranged on a frame, the bag pressing screw being driven by the bag pressing motor, and two bag pressing nuts 83 being sleeved on the bag pressing screw 82, the bag pressing screw being a positive and negative thread screw including a positive thread section and a negative thread section, and two bag pressing nuts 83 being respectively arranged on the positive thread section and the negative thread section, and a bag pressing connecting plate 84 being connected to the bag pressing nut 83, a bag pressing cylinder 85 being fixed to the bag pressing connecting plate 84, and an output end of the bag pressing cylinder 85 being downwardly arranged and connected to a bag pressing rod 86, a bag pressing seat 87 being arranged below the bag pressing rod 86, and the bag pressing seat 87 being also fixed on the bag pressing connecting plate 84, and an upper surface of the bag pressing seat 87 being flush with an upper surface 2 of the bagging platform.

[0037] The bag pressing mechanism has two functions. One is: when the first upper clamping plate 753 and the first lower clamping plate 754 have sent the packaging bag on the bag taking station 21 to the bag spreading station 22, the two sides of the packaging bag are pressed by the bag pressing rod 86, and then the first upper clamping plate 753 and the first lower clamping plate 754 are released, so that the packaging bag can be effectively guaranteed not to move when the first upper clamping plate and the first lower clamping plate are released; Secondly, after the bag pressing rod 86 presses the two sides of the packaging bag, the two sets of bag pressing rods 86 and the bag pressing seat 87 are driven to approach each other through the design of the bag pressing motor, the bag pressing screw and the bag pressing nut, and then the bag opening mechanism opens the bag mouth. Since the bag pressing rod 86 presses the two sides of the packaging bag, the two sides of the bag mouth of the packaging bag are protected from being torn and the packaging bag will not be displaced.

[0038] The bag opening station 22 is also provided with a bag support mechanism 9, which includes two bag support motors 91 fixed on the frame, the output end of the bag support motor 91 is rotatably connected to a swing arm 92, the other end of the swing arm 92 is fixedly connected to a rotating shaft 93, the other end of the rotating shaft 93 is fixed to a bag support plate 94, and the two bag support plates 94 are symmetrically arranged on both sides of the bag opening station 22. When the bag opening mechanism opens the bag opening, the bag opening is in a state of tilting downward on both sides, which is not conducive to the entry of materials. Through the design of the bag support mechanism, the bag support plates 94 open the two sides of the opening, so that the bag opening after opening is rectangular, which is convenient for the entry of materials.

[0039] The bag taking mechanism 4 includes a bag bin 41 arranged above the bag taking station 21, a bag taking up and down drive 42 is arranged below the bag taking station, a bag taking seat 43 is fixed to the output end of the bag taking up and down drive 42, a plurality of suction cups 44 are fixed to the bag taking seat 43, and a bag taking groove 27 for the suction cups to pass through is formed on the bagging platform 2. The bag transfer groove 24 and the bag taking groove 27 can be designed as one body, or can be arranged at intervals.

[0040] The sealing mechanism 6 includes a sealing frame 61, an upper sealing knife cylinder 62 is provided at the upper end of the sealing frame 61, a lower sealing knife cylinder 63 is provided at the lower end of the sealing frame 61, the lower end of the upper sealing knife cylinder 62 is connected to an upper sealing knife connecting plate 621, the lower end of the upper sealing knife connecting plate 621 is connected to an upper sealing knife 622, the upper end of the lower sealing knife cylinder 63 is connected to a lower sealing knife connecting plate 631, the upper end of the lower sealing knife connecting plate 631 is connected to a lower sealing knife 632, and the upper sealing knife connecting plate 621 and the lower sealing knife connecting plate 631 are sleeved on two guide pillars 64.

[0041] The material conveying mechanism 1 comprises a conveying motor 12, a driving wheel 13, a driven wheel 14 and a conveying belt 15. The conveying motor 12 drives the driving wheel 13 to rotate. The conveying belt 15 is sleeved on the driving wheel 13 and the driven wheel 14 and driven by the driving wheel 13. A plurality of partition plates 16 are arranged on the conveying belt 15 at intervals. Every two partition plates 16 form a group to separate a material slot 17 that is through from front to back. Through the design of the material slot 17, the position of each material is accurate, so that the pushing mechanism can more accurately push the material into the packaging bag of the bag-opening station.

[0042] The pushing mechanism 3 includes a pushing drive 31 fixed on the frame, a pushing connecting rod 32 is fixed on the output end of the pushing drive 31, the pushing connecting rod 32 is fixedly connected to a pushing plate 33, and the pushing plate 33 is arranged corresponding to the bag opening station 22. The pushing drive 31 drives the pushing plate 33 to push the material in the material trough 17 into the bag opening station 22.

[0043] The present invention has the characteristics of transporting packaging bags in a reciprocating manner through the bag moving mechanism, thereby greatly reducing the volume of the equipment without affecting the working efficiency.

[0044] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A simple bagging machine, comprising a frame, a material conveying mechanism is arranged on the frame, a bagging platform is arranged on one side of the material conveying mechanism, and a pushing mechanism is also arranged on the frame for conveying the material on the material conveying mechanism to the bagging platform, characterized in that: The bagging platform is provided with a bag taking station, a bag stretching station and a sealing station in sequence, and the bag taking station, bag stretching station and sealing station are arranged equidistantly. The bag taking station is provided with a bag taking mechanism, the bag stretching station is provided with a bag stretching mechanism, and the sealing station is provided with a sealing mechanism. The frame is also provided with a bag moving mechanism, which moves the bag on the bag taking station to the bag stretching station, and the bag moving mechanism simultaneously moves the bag on the bag stretching station to the sealing mechanism; The bag moving mechanism comprises a bag moving drive, the bag moving drive is fixedly connected to the bag moving frame, the upper end of the bag moving frame is provided with an upper bag clamping cylinder, and the lower end of the bag moving frame is provided with a lower bag clamping cylinder, the output ends of the upper bag clamping cylinder and the lower bag clamping cylinder are arranged facing each other, the output end of the upper bag clamping cylinder is connected to the first upper connecting frame and the second upper connecting frame, and the output end of the lower bag clamping cylinder is connected to the first lower connecting frame and the second lower connecting frame. The first upper connecting frame is fixed with a first upper clamping plate, and the first lower connecting frame is fixed with a first lower clamping plate, and the first upper clamping plate and the first lower clamping plate are arranged correspondingly, and under the drive of the upper bag clamping cylinder and the lower bag clamping cylinder, the first lower clamping plate and the first upper clamping plate perform an opening and closing action; the second upper connecting frame is fixed with a second upper clamping plate, and the second lower connecting frame is fixed with a second lower clamping plate, and the second upper clamping plate and the second lower clamping plate perform an opening and closing action; A bag transferring groove is formed on the bagging platform, and the bag transferring groove extends from the bag taking station through the bag stretching station to the sealing station, and the first upper clamping plate and the first lower clamping plate are correspondingly arranged on the upper and lower sides of the bag transferring groove; the second upper clamping plate and the second lower clamping plate are correspondingly arranged on the upper and lower sides of the bag transferring groove, and the first upper clamping plate and the second upper clamping plate are arranged on two adjacent stations.

2. A simple bagging machine according to claim 1, characterized in that: The upper bag clamping cylinder is also connected to a bag pushing plate, which is arranged in the forward direction of the second upper clamping plate. The second upper clamping plate is arranged between the first upper clamping plate and the bag pushing plate. When the second upper clamping plate and the second lower clamping plate are clamped, the bag pushing plate approaches the bagging platform.

3. A simple bagging machine according to claim 1, characterized in that: The bag opening mechanism includes an upper bag opening cylinder and a lower bag opening cylinder which are arranged on the upper and lower sides of the bag opening station. A bag opening groove is formed on the bag opening station. The output end of the upper bag opening cylinder extends downward and is fixed with an upper suction cup, and the output end of the lower bag opening cylinder extends upward and is fixed with a lower suction cup. The pushing mechanism is arranged corresponding to the bag opening station.

4. A simple bagging machine according to claim 3, characterized in that: A bag pressing mechanism is also provided on the bag spreading station, and the bag pressing mechanism includes a bag pressing motor and a bag pressing screw rod arranged on a frame, the bag pressing screw rod is driven by the bag pressing motor, two bag pressing nuts are sleeved on the bag pressing screw rod, a bag pressing connecting plate is connected to the bag pressing nuts, a bag pressing cylinder is fixed to the bag pressing connecting plate, an output end of the bag pressing cylinder is downwardly arranged and connected to a bag pressing rod, a bag pressing seat is arranged below the bag pressing rod, the bag pressing seat is also fixed on the bag pressing connecting plate, and the upper surface of the bag pressing seat is flush with the upper surface of the bagging platform.

5. A simple bagging machine according to claim 4, characterized in that: The bag pressing screw is a positive and negative thread screw including a positive thread section and a negative thread section, and two bag pressing nuts are respectively arranged on the positive thread section and the negative thread section.

6. A simple bagging machine according to claim 3, characterized in that: The bag opening station is also provided with a bag holding mechanism, which includes two bag holding motors fixed on a frame, the output ends of the bag holding motors are rotatably connected to a swing arm, the other end of the swing arm is fixedly connected to a rotating shaft, the other end of the rotating shaft is fixed with a bag holding plate, and the two bag holding plates are symmetrically arranged on both sides of the bag opening station.

7. A simple bagging machine according to claim 6, characterized in that: The bag taking mechanism includes a bag bin arranged above the bag taking station, a bag taking up and down drive is provided below the bag taking station, a bag taking seat is fixed at the output end of the bag taking up and down drive, a plurality of suction cups are fixed on the bag taking seat, and a bag taking groove for the suction cups to pass through is formed on the platform.

8. The simplified bagging machine according to claim 1, characterized in that: The sealing mechanism comprises a sealing frame, an upper sealing knife cylinder is arranged at the upper end of the sealing frame, a lower sealing knife cylinder is arranged at the lower end of the sealing frame, the lower end of the upper sealing knife cylinder is connected with an upper sealing knife connecting plate, the lower end of the upper sealing knife connecting plate is connected with an upper sealing knife, the upper end of the lower sealing knife cylinder is connected with a lower sealing knife connecting plate, the upper end of the lower sealing knife connecting plate is connected with a lower sealing knife, and the upper sealing knife connecting plate and the lower sealing knife connecting plate are sleeved on two guide pillars.

9. The simplified bagging machine according to claim 1, characterized in that: The material conveying mechanism includes a conveying motor, a driving wheel, a driven wheel and a conveyor belt. The conveying motor drives the driving wheel to rotate. The conveyor belt is sleeved on the driving wheel and the driven wheel and driven by the driving wheel. A plurality of spacer plates are arranged at intervals on the conveyor belt. Every two spacer plates form a group to separate a material trough that passes through from front to back.

10. A simple bagging machine according to claim 9, characterized in that: The pushing mechanism includes a pushing drive fixed on the frame, a pushing connecting rod is fixed on the output end of the pushing drive, the pushing connecting rod is fixedly connected to a pushing plate, the pushing plate is arranged corresponding to the bag opening station, and the pushing drive drives the pushing plate to push the material in the material trough into the bag opening station.

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