Structure of a three-row pusher-barrel weighing and filling machine and its operation method

Abstract

The present invention discloses a structure of a three-row pusher-barrel weighing and filling machine, including a frame. A protective cover is sleeved on the surface of the frame. An elevating plate is arranged inside the protective cover. Two cylinders II bolted to the protective cover are bolted to the top of the elevating plate. Five filling valves are embedded inside the elevating plate. In the present invention, a through hole I and a through hole II are opened inside the discharging block, and a filling head II with a diameter larger than that of the through hole I is arranged inside the filling head I, so that the filling head size of the filling machine structure can be switched at any time by driving the baffle plate and the discharging block to separate through the cylinder I, thereby enabling the filling machine structure to avoid replacing the filling head during machine shutdown, greatly improving the flexibility of the filling machine structure, and also avoiding damage to the filling head without disassembling and assembling the filling head, not only ensuring the service life of the filling head, but also greatly reducing the use cost of the filling machine structure.

Description

Technical Field

[0001] The present invention relates to the technical field of filling machines, and specifically relates to a three-row bucket-pushing and weighing filling machine structure and its operation method. Background Art

[0002] Filling machines are mainly a small category of products in packaging machines. From the perspective of packaging materials, they can be divided into liquid filling machines, paste filling machines, powder filling machines, and granule filling machines; from the degree of production automation, they are divided into semi-automatic filling machines and fully automatic filling production lines. Recently, with the QS certification of food, edible oil manufacturers have begun to pay attention to product quality and packaging, so oil filling machines have become prominent in filling machines.

[0003] As disclosed in the invention patent CN104029830B, "a filling machine", when in use, its filling head cannot be replaced according to different sizes of filling buckets. It often requires manual disassembly and then reinstallation. A large amount of time will be wasted during the disassembly and installation process, and debugging is also required to detect whether there is a situation of loose installation, which will greatly reduce its filling efficiency. Moreover, replacing the filling head multiple times will also cause damage to the filling head of the filling machine. Repairing the filling machine will not only increase the use cost but also cause the filling machine to be unable to be used normally. For this reason, we propose a filling machine structure that can switch the size of the filling head to solve this problem. Summary of the Invention

[0004] The purpose of the present invention is to provide a three-row bucket-pushing and weighing filling machine structure and its operation method to solve the problem that the filling head of the current filling machine cannot switch the size of the filling head during use, and multiple manual replacements of the filling head are likely to cause damage to the mounting seat of the filling head of the filling machine as mentioned in the above background art.

[0005] To achieve the above purpose, the present invention provides the following technical solutions:

[0006] A three-row bucket-pushing and weighing filling machine structure includes a frame. A protective cover is sleeved on the surface of the frame. An elevating plate is arranged inside the protective cover. Two cylinders II bolted to the protective cover are bolted to the top of the elevating plate. Five filling valves are embedded inside the elevating plate. A suction pipe communicating with a material tank is connected to the top of the filling valve. A filling mechanism is arranged at the bottom of the filling valve. A conveying mechanism is arranged on one side of the frame. A bucket-pushing mechanism is arranged inside the frame. A weighing mechanism is arranged inside the frame.

[0007] Preferably, the filling mechanism includes a first filling head. The top of the first filling head is communicated with the bottom of the filling valve. A piston is slidably connected inside the first filling head. A discharge block is fixedly sleeved inside the piston. A first through hole and a second through hole are respectively formed inside the discharge block. A first fixing block is fixedly sleeved on the surface of the first filling head. Two first cylinders are bolted to the bottom of the first fixing block. A second filling head is arranged inside the first filling head. A connecting block is sleeved on the surface of the second filling head. The top of the connecting block is bolted to the first cylinder. A baffle is communicated with the top end of the second filling head. The diameter of the inner cavity of the baffle is larger than that of the first through hole. The diameter of the baffle is larger than that of the second through hole. Two connecting rods are bolted to the bottom of the baffle. A second fixing block bolted to the connecting rod is fixedly sleeved on the surface of the second filling head. A third through hole is formed inside the connecting block. The diameter of the third through hole is larger than that of the first filling head.

[0008] Preferably, the conveying mechanism includes a first driving motor. Two rotating rods are arranged inside the frame. The output end of the first driving motor is bolted to the rotating rod through a coupling. Two transmission wheels are fixedly sleeved on the surface of the rotating rod. Two conveyor belts are arranged inside the frame. The inside of the conveyor belt is in transmission connection with the surface of the transmission wheel.

[0009] Preferably, the barrel pushing mechanism includes a second driving motor. Two limiting plates are bolted to both sides of the inner cavity of the frame. Two rotating rods are arranged inside the frame. The surface of the rotating rod is sleeved inside the limiting plate. The output end of the second driving motor is bolted to the rotating rod through a coupling. A gear is fixedly sleeved on the surface of the rotating rod. Five chains are arranged inside the frame. The inside of the chain is in transmission connection with the surface of the gear. A pushing plate is bolted to the surface of the chain.

[0010] Preferably, the weighing mechanism includes a weighing device. The weighing device is located at the top of the chain. An aggregate tank is arranged inside the frame. Five connecting plates are bolted to both sides of the aggregate tank. The bottom of the weighing device is bolted to the connecting plate. A discharge pipe is communicated with the bottom of the weighing device.

[0011] Preferably, a number of through grooves are formed on one side of each of the two conveyor belts close to the weighing device. The surface of the pushing plate is sleeved inside the through groove. The distance between the two conveyor belts plus the length of two through grooves on the same horizontal line is greater than the length of the chain. The distance between the two weighing devices is the same as the width of the through groove.

[0012] Preferably, a crawler is bolted to the top of the transmission wheel. A number of pushing plates are bolted to one side of the crawler.

[0013] Preferably, two first bearings are embedded on both sides of the inner cavity of the frame. The inside of the first bearing is rotatably sleeved on the surface of the rotating rod.

[0014] Preferably, a second bearing is embedded inside the limit plate, and the inner part of the second bearing is rotationally connected to the surface of the rotating rod.

[0015] The present invention is realized through the following steps:

[0016] Step 1: Primary transportation of the filling barrel: First, place the filling barrel on a conveyor belt, and then start the first driving motor to drive the rotating rod and the transmission wheel to rotate. When the transmission wheel rotates, the two conveyor belts start to move. At this time, the conveyor belt with the filling barrel will drive the filling barrel to move. After the filling barrel reaches the gap between the five weighing devices, turn off the first driving motor to complete the transportation of one side of the filling barrel.

[0017] Step 2: Primary barrel pushing: After the filling barrel is positioned, start the second driving motor. After the barrel pushing mechanism is started, the second driving motor drives the rotating rod to rotate. At this time, the gear on the surface of the rotating rod will follow the rotation of the rotating rod, and when the gear rotates, the chain on the surface of the gear will also rotate. When the chain rotates, the push plate will follow the rotation of the chain. When the push plate starts to rotate, the push plate will gradually approach the filling barrel. After the push plate contacts the filling barrel, the push plate will continue to rotate and drive the filling barrel to move towards the weighing device. After the filling barrel completely reaches the top of the weighing device, turn off the second driving motor. At this time, the filling barrel will stop at the top of the weighing device, thus completing the barrel pushing on one side.

[0018] Step 3: Filling: Then, according to the size of the filling barrel, if the filling barrel is large, the first cylinder can be started to drive the connecting block, the second filling head and the baffle to move. After the baffle is separated from the discharge block, start the filling valve to allow the material to enter the filling valve through the suction pipe and then enter the first filling head. At this time, the material will flow downward through the first through hole and the second through hole in the first filling head, thus realizing the filling of the large filling barrel. If the filling barrel is small, the first cylinder can be used to control the connecting block, the second filling head, the baffle and the discharge block to contact each other, so that the material can only flow downward through the first through hole and the second filling head, thus realizing the filling of the small filling barrel. After the filling barrel is located at the top of the weighing device, switch the second filling head and the first filling head according to the size of the filling barrel, and then start the second cylinder to drive the lifting plate and the filling valve and the filling mechanism inside the lifting plate to move downward. After the filling mechanism is located inside the filling barrel, start the filling valve to fill the material until the filling barrel reaches the set weight, and then retract the second cylinder to separate the filling mechanism from the filling barrel to complete the filling.

[0019] Step 4: Secondary barrel pushing: After the filling of the filling barrel is completed, start the second driving motor again. The second driving motor drives the push plate to push the filled filling barrel to continue moving through the cooperation between various structures until the filled filling barrel is moved to another conveyor belt.

[0020] Step 5: Secondary transportation of filling barrels: After the filled filling barrels reach another conveyor belt, the push plate will continue to rotate until it separates from the through groove, and then the push plate will continue to rotate into the interior of the conveyor belt for placing unfilled filling barrels, waiting for the next barrel pushing. After the filled filling barrels reach the conveyor belt, the drive motor 1 is started again, so that the drive motor 1 drives the filled filling barrels on the conveyor belt to move, while the conveyor belt for placing unfilled barrels continues to transport empty barrels, thus realizing three-row barrel pushing.

[0021] Compared with the prior art, the present invention provides a three-row barrel-pushing weighing filling machine structure and its operation method, which have the following beneficial effects:

[0022] By opening through hole 1 and through hole 2 inside the discharge block in the present invention, and arranging a filling head 2 with a diameter larger than that of through hole 1 inside the filling head 1, the filling machine structure can switch the size of the filling head at any time by driving the separation of the baffle and the discharge block by cylinder 1, so that the filling machine structure does not need to stop for replacing the filling head, thereby greatly improving the flexibility of the filling machine structure. Moreover, without disassembling and assembling the filling head, it also avoids the situation that the filling head may be damaged, not only ensuring the service life of the filling head, but also greatly reducing the use cost of the filling machine structure. Description of the Drawings

[0023] Figure 1 It is the front view of the structure of the present invention;

[0024] Figure 2 It is the back cross-sectional view of the protective cover of the present invention;

[0025] Figure 3 It is the enlarged cross-sectional view of filling head 1 of the present invention;

[0026] Figure 4 It is the top view of the cooperation of the piston and the discharge block of the present invention;

[0027] Figure 5 It is the top view of the connecting block of the present invention;

[0028] Figure 6 It is the top view of the cooperation of the conveyor belt and the weighing device of the present invention;

[0029] Figure 7 It is the present invention Figure 6 Local enlarged schematic diagram at A in;

[0030] Figure 8 It is the internal schematic diagram of the frame of the present invention;

[0031] Figure 9 It is the schematic diagram of the cooperation of the weighing device and the aggregate tank of the present invention.

[0032] In the figure: 1, frame; 2, protective cover; 3, lifting plate; 4, filling valve; 5, suction pipe; 6, filling mechanism; 601, first filling head; 602, piston; 603, discharge block; 604, first through hole; 605, second through hole; 606, first fixing block; 607, first cylinder; 608, second filling head; 609, connecting block; 610, baffle; 611, connecting rod; 612, second fixing block; 613, third through hole; 7, conveying mechanism; 71, first driving motor; 72, rotating rod; 73, transmission wheel; 74, conveyor belt; 8, barrel pushing mechanism; 81, second driving motor; 82, limiting plate; 83, rotating rod; 84, gear; 85, chain; 86, pushing plate; 9, weighing mechanism; 91, weighing device; 92, aggregate chute; 93, connecting plate; 94, discharge pipe; 10, through groove; 11, second cylinder; 12, crawler belt; 13, pushing plate; 14, first bearing; 15, second bearing. Detailed implementation mode

[0033] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0034] As Figures 1-9 shown, the present invention provides a technical solution: a three-row barrel pushing and weighing filling machine structure, including a frame 1, a protective cover 2 is sleeved on the surface of the frame 1, a lifting plate 3 is arranged inside the protective cover 2, the top of the lifting plate 3 is bolted with two second cylinders 11 bolted to the protective cover 2, five filling valves 4 are embedded inside the lifting plate 3, the top of the filling valve 4 is communicated with a suction pipe 5 communicated with a storage tank, the bottom of the filling valve 4 is provided with a filling mechanism 6, the filling mechanism 6, a conveying mechanism 7 is arranged on one side of the frame 1, a barrel pushing mechanism 8 is arranged inside the frame 1, a weighing mechanism 9 is arranged inside the frame 1. By opening a first through hole 604 and a second through hole 605 inside the discharge block 603 and arranging a second filling head 608 with a diameter larger than that of the first through hole 604 inside the first filling head 601, the filling machine structure can switch the size of the filling head at any time by driving the baffle 610 and the discharge block 603 to separate by the first cylinder 607, so that the filling machine structure does not need to stop for replacing the filling head, thereby greatly improving the flexibility of the filling machine structure, and not disassembling and assembling the filling also avoids the situation that the filling head is damaged, which not only ensures the service life of the filling head, but also can greatly reduce the use cost of the filling machine structure.

[0035] Please refer to Figure 2 、 Figure 3 、 Figure 4 、 Figure 5As shown, it plays the role of perfusion and also serves to replace the filling head during filling. The filling mechanism 6 includes a first filling head 601. The top of the first filling head 601 is communicated with the bottom of the filling valve 4. A piston 602 is slidably connected inside the first filling head 601. A discharge block 603 is fixedly sleeved inside the piston 602. A first through hole 604 and a second through hole 605 are respectively formed inside the discharge block 603. A first fixing block 606 is fixedly sleeved on the surface of the first filling head 601. Two first cylinders 607 are bolted to the bottom of the first fixing block 606. A second filling head 608 is arranged inside the first filling head 601. A connecting block 609 is sleeved on the surface of the second filling head 608. The top of the connecting block 609 is bolted to the first cylinder 607. A baffle 610 is communicated with the top end of the second filling head 608. The inner diameter of the cavity of the baffle 610 is larger than the diameter of the first through hole 604. The diameter of the baffle 610 is larger than the diameter of the second through hole 605. Two connecting rods 611 are bolted to the bottom of the baffle 610. A second fixing block 612 bolted to the connecting rod 611 is fixedly sleeved on the surface of the second filling head 608. A third through hole 613 is formed inside the connecting block 609. The diameter of the third through hole 613 is larger than the diameter of the first filling head 601.

[0036] Please refer to Figure 1 、 Figure 6 and Figure 8 As shown, it drives the movement of the filling bucket and plays the role of conveying the filling bucket. The conveying mechanism 7 includes a first driving motor 71. Two rotating rods 72 are arranged inside the frame 1. The output end of the first driving motor 71 is bolted to the rotating rod 72 through a coupling. Two transmission wheels 73 are fixedly sleeved on the surface of the rotating rod 72. Two conveyor belts 74 are arranged inside the frame 1. The inside of the conveyor belt 74 is in transmission connection with the surface of the transmission wheel 73.

[0037] Please refer to Figure 6 、 Figure 7 and Figure 8 As shown, it plays the role of pushing the filled filling bucket. The bucket pushing mechanism 8 includes a second driving motor 81. Two limiting plates 82 are bolted to both sides of the inner cavity of the frame 1. Two rotating rods 83 are arranged inside the frame 1. The surface of the rotating rod 83 is sleeved inside the limiting plate 82. The output end of the second driving motor 81 is bolted to the rotating rod 83 through a coupling. A gear 84 is fixedly sleeved on the surface of the rotating rod 83. Five chains 85 are arranged inside the frame 1. The inside of the chain 85 is in transmission connection with the surface of the gear 84. A push plate 86 is bolted to the surface of the chain 85.

[0038] Please refer to Figure 6 、 Figure 8 and Figure 9As shown in the figure, it plays a role in bearing the weight of the filling barrel, and also plays a role in collecting and discharging the materials dripping from the filling machine. The weighing mechanism 9 includes a weighing device 91. The weighing device 91 is located at the top of the chain 85. An aggregate chute 92 is provided inside the frame 1. Five connecting plates 93 are bolted to both sides of the aggregate chute 92. The bottom of the weighing device 91 is bolted to the connecting plate 93. A discharge pipe 94 is communicated with the bottom of the weighing device 91.

[0039] Please refer to Figure 1 , Figure 6 , Figure 7 , Figure 8 and Figure 9 As shown in the figure, it enables the push plate 86 to rotate smoothly, preventing the push plate 86 from colliding with the conveyor belt 74 during rotation, and also preventing the push plate 86 from rubbing against the through groove 10 and the weighing device 91 during rotation. This ensures the normal operation of the push plate 86 and also avoids damage to the push plate 86 due to rubbing. A number of through grooves 10 are provided on one side of each of the two conveyor belts 74 close to the weighing device 91. The surface of the push plate 86 is sleeved inside the through groove 10. The distance between the two conveyor belts 74 plus the length of the two through grooves 10 on the same horizontal line is greater than the length of the chain 85. The distance between the two weighing devices 91 is the same as the width of the through groove 10.

[0040] Please refer to Figure 1 , Figure 2 As shown in Figures and 6, it plays a role in limiting the movement of the filling barrel, and also allows the filling barrel to stop moving at a fixed position, ensuring the accuracy of the filling barrel. A crawler 12 is bolted to the top of the transmission wheel 73, and a number of push plates 13 are bolted to one side of the crawler 12.

[0041] Please refer to Figure 1 , Figure 6 and Figure 8 As shown in the figure, it plays a role in limiting the rotating rod 72, enabling the rotating rod 72 to rotate at a specific position, thereby increasing the stability of the rotating rod 72 during rotation. Two bearings 14 are embedded on both sides of the inner cavity of the frame 1, and the surface of the rotating rod 72 is rotatably sleeved inside the bearings 14.

[0042] Please refer to Figure 8 As shown in the figure, it plays a role in limiting the rotating rod 83, enabling the rotating rod 83 to rotate at a specific position, thereby increasing the stability of the rotating rod 83 during rotation. A bearing 15 is embedded inside the limiting plate 82, and the surface of the rotating rod 83 is rotatably connected to the inside of the bearing 15.

[0043] The present invention is realized through the following steps:

[0044] Step 1: Primary Conveyor of Filling Buckets: First, place the filling buckets on a conveyor belt 74. Then start the first driving motor 71, so that the first driving motor 71 drives the rotating rod 72 and the transmission wheel 73 to rotate. When the transmission wheel 73 rotates, the two conveyor belts 74 start to move. At this time, the conveyor belt 74 with the filling buckets will drive the filling buckets to move. After the filling buckets reach the gap between the five weighing devices 91, turn off the first driving motor 71 to complete the conveyance of one side of the filling buckets;

[0045] Step 2: Primary Pushing of Buckets: After the filling buckets are positioned, start the second driving motor 81. After the bucket-pushing mechanism 8 is started, the second driving motor 81 drives the rotating rod 83 to start rotating. At this time, the gear 84 on the surface of the rotating rod 83 will follow the rotating rod 83 to rotate. When the gear 84 rotates, the chain 85 on the surface of the gear 84 will also rotate. When the chain 85 rotates, the push plate 86 will follow the chain 85 to rotate. When the push plate 86 starts to rotate, the push plate 86 will gradually approach the filling bucket. After the push plate 86 contacts the filling bucket, if the push plate 86 continues to rotate, it will drive the filling bucket to move towards the weighing device 91. After the filling bucket completely reaches the top of the weighing device 91, turn off the second driving motor 81. At this time, the filling bucket will stop at the top of the weighing device 91, thus completing the primary bucket pushing on one side;

[0046] Step 3: Filling: Then, according to the size of the filling bucket, if the filling bucket is larger, the first cylinder 607 can be started, so that the first cylinder 607 drives the connecting block 609, the second filling head 608 and the baffle 610 to move. After the baffle 610 separates from the discharge block 603, start the filling valve 4, so that the material enters the filling valve 4 through the suction pipe 5 and then enters the first filling head 601. At this time, the material will flow downward through the first through hole 604 and the second through hole 605 in the first filling head 601, thus realizing the filling of large filling buckets. If the filling bucket is smaller, the first cylinder 607 can be used to control the connecting block 609, the second filling head 608 and the baffle 610 to contact the discharge block 603, so that the material can only flow downward through the first through hole 604 and the second filling head 608, thus realizing the filling of small filling buckets. After the filling bucket is located at the top of the weighing device 91, switch the second filling head 608 and the first filling head 601 according to the size of the filling bucket. Then start the second cylinder 11, so that the second cylinder 11 drives the lifting plate 3 and the filling valve 4 and the filling mechanism 6 inside the lifting plate 3 to move downward. After the filling mechanism 6 is inside the filling bucket, start the filling valve 4 to fill the material until the filling bucket reaches the set weight, then retract the second cylinder 11 to separate the filling mechanism 6 from the filling bucket, and the filling is completed;

[0047] Step 4: Secondary Pushing of Buckets: After the filling of the filling bucket is completed, start the second driving motor 81 again, so that the second driving motor 81 drives the push plate 86 to push the filled filling bucket to continue moving through the cooperation between the various structures until the filled filling bucket is moved to another conveyor belt 74;

[0048] Step 5: Secondary transportation of filling barrels: After the filled filling barrels reach another conveyor belt 74, the push plate 86 will continue to rotate until it separates from the through groove 10, and then the push plate 86 will continue to rotate into the interior of the conveyor belt 74 for placing unfilled filling barrels to wait for the next barrel pushing. After the filled filling barrels reach the conveyor belt 74, the first driving motor 71 is started again, so that the first driving motor 71 drives the filled filling barrels on the conveyor belt 74 to move, while the conveyor belt 74 for placing unfilled barrels continues to convey empty barrels, thereby realizing three-row barrel pushing.

[0049] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent in such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0050] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A structure of a three-row push-bar weighing and filling machine, comprising a frame (1), characterized in that: A protective cover (2) is sleeved on the surface of the frame (1). An elevating plate (3) is arranged inside the protective cover (2). Two cylinders two (11) bolted to the protective cover (2) are bolted to the top of the elevating plate (3). Five filling valves (4) are embedded inside the elevating plate (3). A material suction pipe (5) communicating with a material tank is connected to the top of the filling valve (4). A filling mechanism (6) is arranged at the bottom of the filling valve (4). A conveying mechanism (7) is arranged on one side of the frame (1). A barrel pushing mechanism (8) is arranged inside the frame (1). A weighing mechanism (9) is arranged inside the frame (1). The filling mechanism (6) includes a filling head one (601). The top of the filling head one (601) is communicated with the bottom of the filling valve (4). A piston (602) is slidably connected inside the filling head one (601). A discharge block (603) is fixedly sleeved inside the piston (602). A through hole one (604) and a through hole two (605) are respectively arranged inside the discharge block (603). A fixing block one (606) is fixedly sleeved on the surface of the filling head one (601). Two cylinders one (607) are bolted to the bottom of the fixing block one (606). A filling head two (608) is arranged inside the filling head one (601). A connecting block (609) is sleeved on the surface of the filling head two (608). The top of the connecting block (609) is bolted to the cylinder one (607). A baffle (610) is communicated with the top end of the filling head two (608). The inner diameter of the cavity of the baffle (610) is larger than the diameter of the through hole one (604). The diameter of the baffle (610) is larger than the diameter of the through hole two (605). Two connecting rods (611) are bolted to the bottom of the baffle (610). A fixing block two (612) bolted to the connecting rod (611) is fixedly sleeved on the surface of the filling head two (608). A through hole three (613) is arranged inside the connecting block (609). The diameter of the through hole three (613) is larger than the diameter of the filling head one (601). The conveying mechanism (7) includes a driving motor one (71). Two rotating rods (72) are arranged inside the frame (1). The output end of the driving motor one (71) is bolted to the rotating rod (72) through a coupling. Two transmission wheels (73) are fixedly sleeved on the surface of the rotating rod (72). Two conveyor belts (74) are arranged inside the frame (1). The inside of the conveyor belt (74) is in transmission connection with the surface of the transmission wheel (73). The barrel pushing mechanism (8) includes a driving motor two (81). Two limiting plates (82) are bolted to both sides of the inner cavity of the frame (1). Two rotating rods (83) are arranged inside the frame (1). The surface of the rotating rod (83) is sleeved inside the limiting plate (82). The output end of the driving motor two (81) is bolted to the rotating rod (83) through a coupling. A gear (84) is fixedly sleeved on the surface of the rotating rod (83).Inside the frame (1), there are five chains (85). The inside of the chain (85) is drivingly connected to the surface of the gear (84). A push plate (86) is bolted to the surface of the chain (85). The weighing mechanism (9) includes a weighing device (91). The weighing device (91) is located at the top of the chain (85). An aggregate chute (92) is provided inside the frame (1). Five connecting plates (93) are bolted to both sides of the aggregate chute (92). The bottom of the weighing device (91) is bolted to the connecting plate (93). A discharge pipe (94) is connected to the bottom of the weighing device (91). A number of through slots (10) are opened on one side of each of the two conveyor belts (74) close to the weighing device (91). The surface of the push plate (86) is sleeved inside the through slot (10). The distance between the two conveyor belts (74) plus the length of two through slots (10) on the same horizontal line is greater than the length of the chain (85). The distance between the two weighing devices (91) is the same as the width of the through slot (10).

2. The structure of a three-row pusher bucket weighing and filling machine according to claim 1, characterized in that: A crawler belt (12) is bolted to the top of the driving wheel (73), and a number of push plates (13) are bolted to one side of the crawler belt (12).

3. The structure of a three-row pusher bucket weighing and filling machine according to claim 2, characterized in that: Two bearings one (14) are embedded in both sides of the inner cavity of the frame (1), and the surface of the rotating rod (72) is rotatably sleeved inside the bearing one (14).

4. The structure of a three-row pusher bucket weighing and filling machine according to claim 3, characterized in that: A bearing two (15) is embedded in the inside of the limiting plate (82), and the surface of the rotating rod (83) is rotatably connected inside the bearing two (15).

5. A three-row barrel-pushing weighing filling machine structure and its operation method, characterized in that: Step 1: Primary conveyance of the filling barrel: First, place the filling barrel on a conveyor belt (74), then start the driving motor one (71), so that the driving motor one (71) drives the rotating rod (72) and the driving wheel (73) to rotate. When the driving wheel (73) rotates, the two conveyor belts (74) start to move. At this time, the conveyor belt (74) with the filling barrel will drive the filling barrel to start moving. After the gap between the filling barrel and the five weighing devices (91), turn off the driving motor one (71) to complete the conveyance of one side of the filling barrel. Step 2: Primary barrel pushing: After the filling barrel is positioned, start the driving motor two (81). After the barrel-pushing mechanism (8) is started, the driving motor two (81) drives the rotating rod (83) to start rotating. At this time, the gear (84) on the surface of the rotating rod (83) will rotate following the rotating rod (83). When the gear (84) rotates, the chain (85) on the surface of the gear (84) will also rotate. When the chain (85) rotates, the push plate (86) will rotate following the chain (85). When the push plate (86) starts to rotate, the push plate (86) will gradually approach the filling barrel. After the push plate (86) contacts the filling barrel, if the push plate (86) continues to rotate, it will drive the filling barrel to move towards the weighing device (91). After the filling barrel completely reaches the top of the weighing device (91), turn off the driving motor two (81). At this time, the filling barrel will stop on the top of the weighing device (91), thus completing the barrel pushing on one side. Step 3: Filling: Then, according to the size of the filling barrel, if the filling barrel is large, the first cylinder (607) can be activated to drive the connecting block (609), the second filling head (608) and the baffle (610) to move by the first cylinder (607). After the baffle (610) is separated from the discharge block (603), the filling valve (4) is activated to allow the material to enter the filling valve (4) through the suction pipe (5) and then into the first filling head (601). At this time, the material will flow downward through the first through hole (604) and the second through hole (605) in the first filling head (601), thus realizing the filling of the large filling barrel. If the filling barrel is small, the first cylinder (607) can be used to control the connecting block (609), the second filling head (608) and the baffle (610) to contact the discharge block (603), so that the material can only flow downward through the first through hole (604) and the second filling head (608), thus realizing the filling of the small filling barrel. After the filling barrel is placed on top of the weighing device (91), the second filling head (608) and the first filling head (601) are switched according to the size of the filling barrel. Then, the second cylinder (11) is activated to drive the lifting plate (3) and the filling valve (4) and the filling mechanism (6) inside the lifting plate (3) to move downward. After the filling mechanism (6) is inside the filling barrel, the filling valve (4) is activated to fill the material. When the filling barrel reaches the set weight, the second cylinder (11) is retracted to separate the filling mechanism (6) from the filling barrel, and the filling is completed; Step 4: Second barrel pushing: After the filling of the filling barrel is completed, the second drive motor (81) is activated again. The second drive motor (81) drives the push plate (86) to push the filled filling barrel to continue moving through the cooperation between various structures until the filled filling barrel is moved onto another conveyor belt (74); Step 5: Secondary conveying of the filling barrel: After the filled filling barrel reaches another conveyor belt (74), the push plate (86) will continue to rotate until it is separated from the through groove (10). Then, the push plate (86) will continue to rotate into the conveyor belt (74) for placing unfilled filling barrels to wait for the next barrel pushing. After the filled filling barrel reaches the conveyor belt (74), the first drive motor (71) is activated again to drive the filled filling barrel on the conveyor belt (74) to move, while the conveyor belt (74) for placing unfilled barrels continues to convey empty barrels, thus realizing three-row barrel pushing.

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