Bulk material packaging machine for cement plant

Abstract

The invention provides a cement plant bulk material packaging machine. The cement plant bulk material packaging machine comprises an electric control system, a building wall, a steel frame, a flexible connection assembly, an inner telescopic mechanism, an outer telescopic mechanism and a lifting mechanism. During use, an electric control system conducts electric control, a chain of the lifting mechanism extends downwards, an outer telescopic mechanism and an inner telescopic mechanism extend, a connecting plate moves downwards, a person hooks a packaging bag through four pneumatic hook assemblies, a bag opening of the packaging bag is clamped to a connecting pipe through two clamping assemblies, and material filling is conducted; raw materials in the stock bin penetrate through a manual rotating valve and enter a Y-shaped pipe, then the discharging speed is controlled through two pneumatic flow valves, the raw materials contained in a packaging bag are weighed through a weighing sensor, and the raw materials penetrate through the pneumatic flow valves to enter a sleeve and then enter an inner telescopic mechanism. And the packaging bag is controlled through an electrical system, so that the overall filling efficiency is improved, and the yield is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of cement processing, and particularly relates to a bulk material packaging machine for a cement plant. Background Art

[0002] At present, the ton bag packaging machines used in the market are all single-series and single-nozzle movable types. Only 1 bag of cement can be filled during the start-stop of the equipment for 2 minutes each time. Subsequently, 4 - 5 workers, 1 outsourced forklift, and 1 crane are still required for transfer and loading. The production efficiency is seriously insufficient and cannot meet the large quantity of ton bag oil well cement shipped by the company. Therefore, a bulk material packaging machine for a cement plant is proposed. Summary of the Invention

[0003] To solve the above at least one technical shortcoming, the present invention provides a bulk material packaging machine for a cement plant, including: an electric control system and a silo fixed on a building wall. The discharge port of the silo is connected with a Y-shaped pipe through a manual rotary valve. Both ends of the bottom of the Y-shaped pipe are connected with a flexible connection assembly through pneumatic flow valves. The flexible connection assembly is fixed on a steel frame, and the steel frame is fixed on the building wall. A limit frame is provided at the top of the steel frame. The flexible connection assembly includes a load-bearing plate limited inside the limit frame. The lower surface of the load-bearing plate is connected to the upper surface of the steel frame through four load cells. Two sleeves are provided on the load-bearing plate. The top ends of the sleeves are sleeved around the discharge ports of the pneumatic flow valves. A lifting mechanism is fixedly connected to the upper surface of the load-bearing plate. An outer telescopic mechanism is fixedly connected to the lower surface of the load-bearing plate. An inner telescopic mechanism is provided inside the outer telescopic mechanism. The top end of the inner telescopic mechanism is fixedly connected to the sleeve. A connecting plate is provided at the bottom of the outer telescopic pipe of the outer telescopic mechanism. The end of the chain of the lifting mechanism is fixedly connected to the upper surface of the connecting plate. A connecting pipe is provided on the lower surface of the connecting plate. Four pneumatic hook assemblies and two clamping assemblies are provided around the connecting pipe.

[0004] Further, air guiding pipes are provided on the outer walls of the sleeves.

[0005] Further, the inner telescopic mechanism includes a top pipe fixedly connected to the bottom end of the sleeve. An inner telescopic pipe that can be telescoped up and down is provided at the bottom of the top pipe. A bottom pipe is fixedly provided at the bottom of the inner telescopic pipe. A feeding pipe is fixedly provided at the bottom of the bottom pipe.

[0006] Further, the inner telescopic pipe consists of an inner telescopic pipe one, several inner telescopic pipe twos, and an inner telescopic pipe three. The top end of the inner telescopic pipe one is fixedly connected to the bottom end of the sleeve. The outer wall of the bottom of the inner telescopic pipe one is sequentially sleeved with several inner telescopic pipe twos and an inner telescopic pipe three. The bottom end of the inner telescopic pipe three is fixedly connected to the top of the bottom pipe.

[0007] Further, the outer telescopic mechanism includes an outer telescopic pipe that can be telescoped up and down. The top end of the outer telescopic pipe is fixed to the lower surface of the steel frame. A connecting plate is fixedly connected to the bottom of the outer telescopic pipe.

[0008] Furthermore, the outer telescopic tube includes an outer telescopic tube 1, several outer telescopic tubes 2, and an outer telescopic tube 3. The outer wall of the bottom of the outer telescopic tube 1 is successively sleeved with several outer telescopic tubes 2 and an outer telescopic tube 3. The top end of the outer telescopic tube 1 is connected to the lower surface of the steel frame, and the bottom end of the outer telescopic tube 3 is fixedly connected to the connecting plate. The inner telescopic tube 1, several inner telescopic tubes 2, and the inner telescopic tube 3 are located inside the outer telescopic tube 1, several outer telescopic tubes 2, and the outer telescopic tube 3.

[0009] Furthermore, the pneumatic hook assembly includes a hook frame fixed to the lower surface of the connecting plate. A fixed hook is provided on the outer side of the bottom of the hook frame, and a movable hook is rotatably connected to the inner side of the bottom of the hook frame. A control cylinder for controlling the rotation of the movable hook is provided inside the hook frame, and the output end of the control cylinder is hinged to the control end of the movable hook.

[0010] Furthermore, the clamping assembly includes a C-shaped plate that fits the outer wall of the connecting tube. In the middle of the outer surface of the C-shaped plate, there is an L-shaped connecting rod. The other end of the L-shaped connecting rod is hinged to the outer wall of the connecting tube. On the outer side of the corner of the L-shaped connecting rod, there is a fin plate. A clamping cylinder is hinged to the fin plate, and the top end of the clamping cylinder is hinged to the lower surface of the connecting plate.

[0011] Furthermore, it also includes a distribution box, a controller, a controller receiver, a weighing instrument, a gas supply system, and several solenoid valves, which together constitute an electric control system with functions of lifting control, clamping control, hooking control, filling control, flow control, and weighing detection. Beneficial effects

[0012] During use, the electric control system conducts electrical control. The chain of the lifting mechanism extends downward, causing the outer telescopic mechanism and the inner telescopic mechanism to extend, and the connecting plate to move downward. An individual hooks the packaging bag with the four pneumatic hook assemblies, and clamps the bag mouth of the packaging bag on the connecting tube through the two clamping assemblies. Then, filling is carried out. The raw materials inside the silo pass through the manually rotating valve and enter the inside of the Y-shaped tube. Then, the two pneumatic flow valves control the speed of the discharged material. The weighing sensor weighs the amount of raw materials loaded into the packaging bag. The raw materials pass through the pneumatic flow valve and enter the inside of the sleeve, then enter the inside of the inner telescopic mechanism, and then enter the inside of the packaging bag. Through the control of the electrical system, the overall filling efficiency is improved, and the output is increased. The distribution box, controller, controller receiver, weighing instrument, air supply system and several solenoid valves are combined to form an electric control system with lifting control, clamping control, hook control, filling control, flow control and weighing detection. When filling cement, the lifting control can be used to lift and place the packaging bag into the hopper of the loading vehicle. The clamping control can clamp and release the bag mouth of the packaging bag. The hook control can control the pneumatic hook assembly to hang the packaging bag. The filling control can fill the cement raw material from the silo into the packaging bag. The weighing detection can weigh the amount of cement filled in the packaging bag. The flow control can better control the amount of feeding when adding cement for filling, making the cement filled into the packaging bag more accurate. All processes are electrically controlled by the electric control system, improving the filling efficiency and filling accuracy.

[0013] The realization, functional features and advantages of the present invention will be further described with reference to the embodiments and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the whole of the present invention.

[0015] Figure 2 It is the side view of the whole of the present invention.

[0016] Figure 3 It is the front view of the lifting mechanism of the present invention.

[0017] Figure 4 It is the front view of the Y-shaped pipe of the present invention.

[0018] Figure 5 It is the side view of the flexible connection assembly of the present invention.

[0019] Figure 6 It is the side view of the outer telescopic mechanism of the present invention.

[0020] Figure 7 It is the side view of the inner telescopic mechanism of the present invention.

[0021] Figure 8 It is the side view of the pneumatic hook assembly of the present invention.

[0022] Figure 9 It is the side view of the clamping assembly of the present invention.

[0023] Figure 10 It is the circuit diagram of the distribution box of the present invention.

[0024] Figure 11 It is the circuit diagram of the lifting control of the present invention.

[0025] Figure 12 It is the circuit diagram of the clamping control of the present invention.

[0026] Figure 13 This is the circuit diagram of the weighing instrument of the present invention.

[0027] Figure 14 This is the circuit diagram of the remote control receiver of the present invention.

[0028] Figure 15 This is the control circuit diagram of the solenoid valve of the present invention.

[0029] Figure 16 This is the wiring schematic diagram of the present invention.

[0030] Figure 17 This is the schematic diagram of the controller of the present invention.

[0031] Figure 18 This is the loading schematic diagram of the present invention.

[0032] In Figures 1 to 18 , the corresponding relationship between the component names or lines and the drawing numbers is as follows: building wall 1, steel frame 2, limit frame 201, flexible connection assembly 3, load-bearing plate 301, load cell 302, sleeve 303, air duct 304, inner telescopic mechanism 4, top pipe 401, inner telescopic pipe 402, inner telescopic pipe 1 421, inner telescopic pipe 2 422, inner telescopic pipe 3 423, bottom pipe 403, feeding pipe 404, outer telescopic mechanism 5, outer telescopic pipe 501, outer telescopic pipe 1 511, outer telescopic pipe 2 512, outer telescopic pipe 3 513, connecting plate 502, connecting pipe 521, pneumatic hook assembly 503, hook frame 531, fixed hook 532, movable hook 533, control cylinder 534, clamping assembly 504, C-shaped plate 541, L-shaped connecting rod 542, fin plate 543, clamping cylinder 544, lifting mechanism 6, chain 601, pneumatic flow valve 7, Y-shaped pipe 8, manual rotary valve 801, silo 9. Detailed implementation manners

[0033] Please refer to Figures 1 to 18 ; This embodiment provides a bulk material packaging machine for a cement plant. Referring to Figures 1 to 17 , it includes: an electric control system and a silo 9 fixed on the building wall 1. The discharge port of the silo 9 is connected with a Y-shaped pipe 8 through a manual rotary valve 801. Referring to Figure 4 , both ends of the bottom of the Y-shaped pipe 8 are connected with the flexible connection assembly 3 through pneumatic flow valves 7. The flexible connection assembly 3 is fixed on the steel frame 2, and the steel frame 2 is fixed on the building wall 1. Referring to Figure 5, a limit frame 201 is provided at the top of the steel frame 2. The flexible connection assembly 3 includes a load-bearing plate 301 limited inside the limit frame 201. The lower surface of the load-bearing plate 301 is connected to the upper surface of the steel frame 2 through four load cells 302. Two sleeves 303 are provided on the load-bearing plate 301. The top ends of the sleeves 303 are sleeved around the outer periphery of the discharge port of the pneumatic flow valve 7. A lifting mechanism 6 is fixedly connected to the upper surface of the load-bearing plate 301. An outer telescopic mechanism 5 is fixedly connected to the lower surface of the load-bearing plate 301. An inner telescopic mechanism 4 is provided inside the outer telescopic mechanism 5. The top end of the inner telescopic mechanism 4 is fixedly connected to the sleeve 303. A connecting plate 502 is provided at the bottom of the outer telescopic tube 501 of the outer telescopic mechanism 5. The end of the chain 601 of the lifting mechanism 6 is fixedly connected to the upper surface of the connecting plate 502. A connecting pipe 521 is provided on the lower surface of the connecting plate 502. Four pneumatic hook assemblies 503 and two clamping assemblies 504 are provided around the connecting pipe 521; In specific implementation, during use, the electric control system performs electrical control. The chain 601 of the lifting mechanism 6 extends downward, causing the outer telescopic mechanism 5 and the inner telescopic mechanism 4 to extend, and causing the connecting plate 502 to move downward. An individual hooks the packaging bag through the four pneumatic hook assemblies 503, and clamps the bag mouth of the packaging bag on the connecting pipe 521 through the two clamping assemblies 504 for filling. The raw materials inside the silo 9 pass through the manual rotary valve 801 and enter the inside of the Y-shaped pipe 8, and then the two pneumatic flow valves 7 are used to control the speed of the discharged material. The load cells 302 weigh the amount of raw materials loaded into the packaging bag. The raw materials pass through the pneumatic flow valve 7 and enter the inside of the sleeve 303, then enter the inside of the inner telescopic mechanism 4, and then enter the inside of the packaging bag. Through the control of the electrical system, the overall filling efficiency is improved and the output is increased.

[0034] Further, referring to Figure 5 , air guiding pipes 304 are provided on the outer walls of the sleeves 303; In specific implementation, when filling the packaging bag, through the setting of the air guiding pipes 304, the air pressure inside the packaging bag can be balanced, so that the raw materials can be more smoothly filled into the packaging bag. The raw materials are filled into the packaging bag from the bottom of the inner telescopic mechanism 4. The air inside the packaging bag enters the inside of the sleeve 303 from the gap between the inner telescopic mechanism 4 and the outer telescopic mechanism 5, and then is discharged from the air guiding pipes 304.

[0035] Further, referring to Figure 7 , the telescopic mechanism 4 includes a top pipe 401 fixedly connected to the bottom end of the sleeve 303. The bottom of the top pipe 401 is provided with an inner telescopic pipe 402 that can be telescoped up and down. The bottom of the inner telescopic pipe 402 is fixedly provided with a bottom pipe 403. The bottom of the bottom pipe 403 is fixedly provided with a feeding pipe 404; In specific implementation, when lifting, the inner telescopic tube 402 telescopes, enabling the feeding tube 404 to extend into the interior of the packaging bag for filling and to be lifted from the interior of the packaging bag.

[0036] Further, referring to Figure 7 , the inner telescopic tube 402 consists of an inner telescopic tube one 421, several inner telescopic tube twos 422, and an inner telescopic tube three 423. The top end of the inner telescopic tube one 421 is fixedly connected to the bottom end of the sleeve 303. The outer wall of the bottom of the inner telescopic tube one 421 is sequentially sleeved with several inner telescopic tube twos 422 and an inner telescopic tube three 423. The bottom end of the inner telescopic tube three 423 is fixedly connected to the top of the bottom tube 403.

[0037] Further, referring to Figure 6 , the outer telescopic mechanism 5 includes an outer telescopic tube 501 that telescopically moves up and down. The top end of the outer telescopic tube 501 is fixed to the lower surface of the steel frame 2, and a connecting plate 502 is fixedly connected to the bottom of the outer telescopic tube 501; In specific implementation, when lifting, the outer telescopic tube 501 telescopes, causing the connecting plate 502 to move downward and the connecting tube 521 to move downward.

[0038] Further, referring to Figure 6 , the outer telescopic tube 501 includes an outer telescopic tube one 511, several outer telescopic tube twos 512, and an outer telescopic tube three 513. The outer wall of the bottom of the outer telescopic tube one 511 is sequentially sleeved with several outer telescopic tube twos 512 and an outer telescopic tube three 513. The top end of the outer telescopic tube one 511 is connected to the lower surface of the steel frame 2, and the bottom end of the outer telescopic tube three 513 is fixedly connected to the connecting plate 502. The inner telescopic tube one 421, several inner telescopic tube twos 422, and the inner telescopic tube three 423 are located inside the outer telescopic tube one 511, several outer telescopic tube twos 512, and the outer telescopic tube three 513.

[0039] Further, referring to Figure 8 , the pneumatic hook assembly 503 includes a hook frame 531 fixed to the lower surface of the connecting plate 502. A fixed hook 532 is provided on the outer side of the bottom of the hook frame 531. A movable hook 533 is rotatably connected to the inner side of the bottom of the hook frame 531. A control cylinder 534 for controlling the rotation of the movable hook 533 is provided inside the hook frame 531. The output end of the control cylinder 534 is hinged to the control end of the movable hook 533; In specific implementation, when hooking the packaging bag, the output end of the control cylinder 534 extends, causing the movable hook 533 to rotate and separate from the fixed hook 532. The hanging ear of the packaging bag is buckled on the fixed hook 532. Then, the output end of the control cylinder 534 contracts, causing the movable hook 533 to rotate and the movable hook 533 and the fixed hook 532 to close, completing the hooking of the packaging bag.

[0040] Further, referring to Figure 9, the clamping assembly 504 includes a C-shaped plate 541 that fits the outer wall of the connecting pipe 521. In the middle of the outer surface of the C-shaped plate 541, there is an L-shaped connecting rod 542. The other end of the L-shaped connecting rod 542 is hinged to the outer wall of the connecting pipe 521. On the outer side of the corner of the L-shaped connecting rod 542, there is a fin plate 543. A clamping cylinder 544 is hinged on the fin plate 543, and the top end of the clamping cylinder 544 is hinged to the lower surface of the connecting plate 502; In specific implementation, when fixing the opening of the packaging bag, the opening of the packaging bag is sleeved on the outer wall of the connecting pipe 521. The output end of the clamping cylinder 544 extends, pushing the C-shaped plate 541 towards the outer wall of the connecting pipe 521 to clamp the opening of the packaging bag.

[0041] Further, referring to Figures 10 to 17 , it also includes a distribution box, a controller, a controller receiver, a weighing instrument, a gas supply system, and several solenoid valves, which together constitute an electric control system with lifting control, clamping control, hook control, filling control, flow control, and weighing detection; In specific implementation, the distribution box: supplies power, referring to Figure 10 、 Figure 16 and Figure 17 ; The controller: is used for electrical control, referring to Figure 16 and 17 ; The controller receiver: is used for receiving electrical signals, referring to Figure 14 ; The gas supply system: is used for supplying gas; The solenoid valves: include a bag-clamping valve for controlling the gas supply to the clamping cylinder 544, a hook valve for controlling the gas supply to the control cylinder 534, a coarse-flow valve for controlling the gas supply to the pneumatic flow valve 7, and a fine-flow valve for controlling the gas supply to the pneumatic flow valve 7; The bag-clamping valve is used to control the gas supply system to supply gas to the clamping cylinder 544, the hook valve is used to control the gas supply system to supply gas to the control cylinder 534, the coarse-flow valve is used to control the gas supply system to supply gas to the pneumatic flow valve 7, and the fine-flow valve is used to control the gas supply system to supply gas to the pneumatic flow valve 7, referring to Figure 15 ; Among them, the setting of the two coarse-flow valves and the fine-flow valve precisely controls the flow of the pneumatic flow valve 7 through two different precisions, so as to obtain more precise filling; Lifting control: referring to Figure 11 ; Clamping control: referring to Figure 12 ; Hook control: referring to Figure 12 ; Filling control: referring to Figure 12 ; Flow control: referring to Figure 12 ; Weighing detection: referring toFigure 13 ; During electrical control, a distribution box, a controller, a controller receiver, a weighing instrument, a gas supply system and several solenoid valves are combined to form an electrical control system with lifting control, clamping control, hook control, filling control, flow control and weighing detection. When filling cement, the lifting control can be used to lift and place the packaging bag into the hopper of the loading vehicle. The clamping control can be used to clamp and release the mouth of the packaging bag. The hook control can be used to control the pneumatic hook assembly to hang the packaging bag. The filling control can be used to pour the cement raw material from the silo into the packaging bag. The weighing detection can be used to weigh the amount of cement poured into the packaging bag. The flow control can better control the amount of feeding when adding cement for filling, making the cement poured into the packaging bag more accurate. All processes are electrically controlled by the electrical control system, improving the filling efficiency and filling accuracy; Reference Figure 18 , Loading: It takes only 2 minutes for the equipment to start and stop each time to accurately weigh and fill 2 bags of cement. Without using external forklifts and cranes, the filled ton bags of cement can be directly loaded onto the vehicle. This process can reduce the long-term employment by 2 people, completely avoid the transfer costs of external forklifts and cranes, greatly improve the shipping efficiency, reduce the loading cost to about 17.25 yuan / ton, save the loading cost, and improve the loading efficiency, filling efficiency and labor cost; It can be directly loaded onto the vehicle.

Claims

1. A bulk material packaging machine for a cement plant, comprising: An electric control system and a silo (9) fixed on a building wall (1), characterized in that: a material outlet of the silo (9) is connected to a Y-shaped tube (8) via a manual rotary valve (801), both ends of the bottom of the Y-shaped tube (8) are connected to a soft connection component (3) via a pneumatic flow valve (7), the soft connection component (3) is fixed to a steel frame (2), the steel frame (2) is fixed to the building wall (1), a limit frame (201) is provided on the top of the steel frame (2), the soft connection component (3) includes a load-bearing plate (301) limited inside the limit frame (201), the lower surface of the load-bearing plate (301) is connected to the upper surface of the steel frame (2) via four weighing sensors (302), two sleeves (303) are provided on the load-bearing plate (301), and the sleeves (303) ) is sleeved on the periphery of the discharge port of the pneumatic flow valve (7), the upper surface of the bearing plate (301) is fixedly connected with a lifting mechanism (6), the lower surface of the bearing plate (301) is fixedly connected with an external telescopic mechanism (5), the interior of the external telescopic mechanism (5) is provided with an internal telescopic mechanism (4), the top of the internal telescopic mechanism (4) is fixedly connected to the sleeve (303), the bottom of the external telescopic tube (501) of the external telescopic mechanism (5) is provided with a connecting plate (502), the end of the chain (601) of the lifting mechanism (6) is fixedly connected to the upper surface of the connecting plate (502), the lower surface of the connecting plate (502) is provided with a connecting tube (521), and the periphery of the connecting tube (521) is provided with four pneumatic hook assemblies (503) and two clamping assemblies (504).

2. A bulk material packaging machine for cement plants according to claim 1, characterized in that: The outer wall of the sleeve (303) is provided with an air duct (304).

3. A bulk material packaging machine for cement plants according to claim 2, characterized in that: The inner telescopic mechanism (4) comprises a bottom end fixedly connected to the sleeve (303), the bottom of the top tube (401) is provided with an inner telescopic tube (402) that telescopes up and down, the bottom of the inner telescopic tube (402) is fixedly provided with a bottom tube (403), and the bottom of the bottom tube (403) is fixedly provided with a feeding tube (404).

4. A bulk material packaging machine for cement plants according to claim 3, characterized in that: The inner telescopic tube (402) comprises an inner telescopic tube 1 (421), a plurality of inner telescopic tubes 2 (422) and an inner telescopic tube 3 (423); the top end of the inner telescopic tube 1 (421) is fixedly connected to the bottom end of the sleeve (303); the outer wall of the bottom of the inner telescopic tube 1 (421) is sleeved with a plurality of inner telescopic tubes 2 (422) and inner telescopic tube 3 (423) in sequence; the bottom end of the inner telescopic tube 3 (423) is fixedly connected to the top of the bottom tube (403).

5. A bulk material packaging machine for cement plants according to claim 4, characterized in that: The external telescopic mechanism (5) comprises an external telescopic tube (501) that telescopes upward and downward, the top end of the external telescopic tube (501) is fixed to the lower surface of the steel frame (2), and the bottom of the external telescopic tube (501) is fixedly connected with a connecting plate (502).

6. A bulk material packaging machine for cement plants according to claim 5, characterized in that: The outer telescopic tube (501) comprises an outer telescopic tube 1 (511), a plurality of outer telescopic tubes 2 (512) and an outer telescopic tube 3 (513); the outer wall of the bottom of the outer telescopic tube 1 (511) is sleeved with a plurality of outer telescopic tubes 2 (512) and an outer telescopic tube 3 (513) in sequence; the top end of the outer telescopic tube 1 (511) is connected to the lower surface of the steel frame (2); the bottom end of the outer telescopic tube 3 (513) is fixedly connected to the connecting plate (502); the inner telescopic tube 1 (421), a plurality of inner telescopic tubes 2 (422) and an inner telescopic tube 3 (423) are located inside the outer telescopic tube 1 (511), a plurality of outer telescopic tubes 2 (512) and an outer telescopic tube 3 (513).

7. A bulk material packaging machine for cement plants according to claim 6, characterized in that: The pneumatic hook assembly (503) comprises a hook frame (531) fixed to the lower surface of the connecting plate (502); a fixed hook (532) is provided on the outer side of the bottom of the hook frame (531); a movable hook (533) is rotatably connected to the inner side of the bottom of the hook frame (531); a control cylinder (534) for controlling the rotation of the movable hook (533) is provided inside the hook frame (531); and an output end of the control cylinder (534) is hinged to the control end of the movable hook (533).

8. A bulk material packaging machine for cement plants according to claim 7, characterized in that: The clamping assembly (504) comprises a C-shaped plate (541) which fits into the outer wall of the connecting tube (521); an L-shaped connecting rod (542) is provided in the middle of the outer surface of the C-shaped plate (541); the other end of the L-shaped connecting rod (542) is hinged to the outer wall of the connecting tube (521); a fin plate (543) is provided on the outer side of the corner of the L-shaped connecting rod (542); a clamping cylinder (544) is hinged on the fin plate (543); and the top end of the clamping cylinder (544) is hinged to the lower surface of the connecting plate (502).

9. A bulk material packaging machine for cement plants according to claim 8, characterized in that: It also includes a distribution box, a controller, a controller receiver, a weighing instrument, an air supply system and a combination of several solenoid valves to form an electric control system with lifting control, clamping control, hook control, filling control, flow control and weighing detection.

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