Bagged material breaking and feeding machine

Abstract

According to the bagged material bag-breaking batch feeder with the rotary cutting blade for bag breaking and the fan for dust removal, packaging bags are scratched through the rotary cutting blade, materials fall into the hopper under the action of gravity, and raised dust is collected and captured by the dust removal fan. The unloading bin and the dustproof curtain form an approximately sealed space, the fan on the top works to enable the space to form negative pressure, no dust overflows in the bag breaking and feeding process, and the environment is not affected; the bag breaking and feeding process is completed by the equipment, personnel operate and monitor the operation of the equipment through a control system, the labor intensity is low, and the overall operation automation degree and high efficiency are high.

Description

Technical Field

[0001] The invention relates to an electromechanical device for breaking bags and feeding powdery and granular materials packaged in bags. Background Art

[0002] In industrial production, powdered and granular materials are often used in bags. The simplest operation is that workers unseal the bag and pour the material into the container. This directly leads to two prominent problems: first, the labor intensity of workers working continuously is high; second, there is a lot of dust, the working environment is poor, and occupational hazards occur. Summary of the invention

[0003] In order to overcome the problems of high labor intensity and poor environment in the prior art, the present invention provides a bag breaking and feeding machine for bagged materials with a rotary cutting blade and a fan for dust removal. The packaging bag is cut by a rotary cutting blade, and the material falls into the hopper due to gravity, and the dust is collected and captured by the dust removal fan.

[0004] The technical solution adopted by the present invention to solve its technical problems is: a bag breaking and feeding machine for bagged materials, including a frame, a hopper, a discharge bin and a control system. The frame and the hopper are fixedly connected to and support the discharge bin above. The inside of the hopper and the discharge bin are hollow and connected from top to bottom. A motor and a drive shaft and a plurality of parallel and spaced cutting blades are arranged in the middle of the lower part of the discharge bin. An opening is opened above the front of the discharge bin and a dust curtain is installed. A filter element is arranged inside the top of the discharge bin, a fan is arranged outside the top of the discharge bin, and a backblowing nozzle is arranged inside the filter element.

[0005] A platform is arranged forward at the height of the cutting disc on the front of the unloading bin, and a pair of parallel long grooves are arranged on the surface of the platform.

[0006] An upper material level sensor is provided above the hopper side, and a lower material level sensor is provided below the hopper side.

[0007] Anti-blocking nozzles are provided around the discharge opening at the bottom of the hopper.

[0008] During operation, the bagged material breaking and feeding machine described in the present invention cooperates with a mechanical arm equipped with a suction cup and a double pin. The mechanical arm uses the suction cup to carry a bag of material and places it on the platform. The mechanical arm releases the suction cup and uses the double pins to pierce and pick up the material bag, push open the dust curtain and extend it into the unloading bin. The motor has been started to drive the cutting blade to rotate, and the bottom of the picked-up material bag is cut by the cutting blade. The material in the bag falls into the hopper below under the action of gravity. The fan has been started to form a negative pressure in the unloading bin. The raised dust is adsorbed on the surface of the filter element under the action of the airflow formed by the fan. After the material in the bag is unloaded, the empty bag is moved out of the unloading bin by the mechanical arm and unloaded to enter the next working cycle.

[0009] The upper material level sensor and the lower material level sensor arranged on the side of the hopper monitor the material level in the hopper. When the material level is lower than the lower material level sensor, the control system issues a bag breaking and feeding instruction. The robotic arm and the bag breaking and feeding machine for bagged materials described in the present invention work together. The material level continues to rise and gradually exceeds the lower material level sensor, and the bag breaking and feeding continues. When the material level exceeds the upper material level sensor, the bag breaking and feeding control system issues a pause instruction. When the subsequent work section consumes the material in the hopper, the material level continues to decrease. When the material level is lower than the upper material level sensor, the control system issues a bag breaking and feeding resumption instruction. This is repeated to always ensure that there is sufficient material in the hopper to ensure the supply of subsequent work sections.

[0010] If the subsequent work section finds that the material taking is interrupted during the material taking process and the material level in the hopper is above the lower material level sensor, the anti-blocking nozzle can be cleared by backblowing with compressed air to ensure continuous supply of materials.

[0011] The dust on the surface of the filter element increases with the increase of operation time. The filter element can be back-blown through the back-blowing nozzle with compressed air in the gap between bag breaking and feeding. The back-blown dust falls into the hopper below, and the filter element is cleaned and the dust removal effect is restored.

[0012] The beneficial effects of the present invention are that the unloading bin and the dust-proof curtain form a nearly sealed space, the operation of the fan on the top creates a negative pressure in this space, there is no dust spillover during the bag breaking and feeding process, and the environment is not affected; the bag breaking and feeding process is completed by the equipment, and personnel operate and monitor the equipment operation through the control system, the labor intensity is low, and the overall operation is highly automated and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

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

[0015] Figure 2 It is a left view of the present invention.

[0016] Figure 3 It is a top view of the present invention.

[0017] In the figure, 1. frame, 2. hopper, 3. platform, 4. cutting disc, 5. dust curtain, 6. filter element, 7. backblowing nozzle, 8. fan, 9. unloading bin, 10. motor, 11. anti-blocking nozzle, 12. upper material level sensor, 13. lower material level sensor. DETAILED DESCRIPTION

[0018] like Figure 1 , Figure 2 , Figure 3As shown, the bag breaking and feeding machine for bagged materials includes a frame 1, a hopper 2, a discharge bin 9 and a control system. The frame 1 and the hopper 2 are fixedly connected and support the discharge bin 9 above. The hopper 2 and the discharge bin 9 are hollow inside and penetrated from top to bottom. A motor 10 and a drive shaft and a plurality of parallel and spaced cutting blades 4 are arranged in the middle below the discharge bin 9. The upper front of the discharge bin 9 is opened and a dust curtain 5 is installed. A filter element 6 is arranged inside the top of the discharge bin 9, a fan 8 is arranged outside the top of the discharge bin 9, and a backblowing nozzle 7 is arranged inside the filter element 6.

[0019] A platform 3 is provided on the front of the unloading bin 9 at the height of the cutting blade 4 and facing forward, and a pair of parallel long grooves are provided on the surface of the platform 3.

[0020] An upper material level sensor 12 is provided above the hopper 2, and a lower material level sensor 13 is provided below the hopper.

[0021] An anti-blocking nozzle 11 is provided around the discharge opening at the bottom of the hopper 2.

[0022] During operation, the bagged material breaking and feeding machine of the present invention cooperates with a mechanical arm equipped with a suction cup and a double pin. The mechanical arm uses the suction cup to carry a bag of material and places it on the platform 3. The mechanical arm releases the suction cup and uses the double pins to pierce and pick up the material bag, push open the dust curtain 5 and extend it into the unloading bin 9. The motor 10 has been started to drive the cutting blade 4 to rotate, and the bottom of the picked material bag is cut by the cutting blade 4. The material in the bag falls into the hopper 2 below under the action of gravity. The fan 8 has been started to form a negative pressure in the unloading bin 9. The raised dust is adsorbed on the surface of the filter element 6 under the action of the airflow formed by the fan 8. After the material in the bag is unloaded, the empty bag is moved out of the unloading bin 9 by the mechanical arm and unloaded to enter the next working cycle.

[0023] The upper material level sensor 12 and the lower material level sensor 13 arranged on the side of the hopper 2 monitor the material level in the hopper. When the material level is lower than the lower material level sensor 13, the control system issues a bag breaking and feeding instruction. The robotic arm and the bag breaking and feeding machine for bagged materials described in the present invention work together, and the material level continues to rise, gradually exceeding the lower material level sensor 13, and the bag breaking and feeding continues. When the material level exceeds the upper material level sensor 12, the bag breaking and feeding control system issues a pause instruction; when the subsequent work section consumes the material in the hopper, the material level continues to decrease. When the material level is lower than the upper material level sensor 12, the control system issues a bag breaking and feeding resumption instruction, and this is repeated to always ensure that there is sufficient material in the hopper 2 to ensure the supply of the subsequent work section.

[0024] If the subsequent work section finds that the material taking is interrupted during the material taking process and the material level in the hopper is above the lower material level sensor 13, the anti-blocking nozzle 11 can be cleared by backblowing with compressed air to ensure continuous supply of materials.

[0025] The dust on the surface of the filter element 6 increases with the increase of operation time. The filter element 6 can be back-blown by compressed air through the back-blowing nozzle 7 in the gap between bag breaking and feeding. The back-blown dust falls into the hopper 2 below, and the filter element 6 is cleaned and the dust removal effect is restored.

[0026] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A bag breaking and feeding machine for bagged materials, characterized by: The bag breaking and feeding machine for bagged materials includes a frame, a hopper, a discharge bin and a control system. The frame and the hopper are fixedly connected to and support the discharge bin above. The inside of the hopper and the discharge bin are hollow and connected from top to bottom. A motor and a drive shaft and a plurality of parallel and spaced cutting blades are arranged in the middle of the lower part of the discharge bin. An opening is opened above the front of the discharge bin and a dust curtain is installed. A filter element is arranged inside the top of the discharge bin, a fan is arranged outside the top of the discharge bin, and a back-blowing nozzle is arranged in the filter element. A platform is arranged in the front of the discharge bin at the height of the cutting blade and in front of the front, and a pair of parallel long grooves are arranged on the surface of the platform.

2. The bag breaking and feeding machine for bagged materials according to claim 1 is characterized in that: An upper material level sensor is provided on the upper side of the hopper, and a lower material level sensor is provided on the lower side of the hopper.

3. The bag breaking and feeding machine for bagged materials according to claim 1 is characterized in that: Anti-blocking nozzles are provided around the discharge opening at the bottom of the hopper.

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