Packaging bag breaking and feeding device

Abstract

The utility model discloses a packaging bag breaking and feeding device. The packaging bag breaking and feeding device comprises a stock bin cover and an anti-explosion star-shaped feeder. According to the packaging bag breaking and feeding device, the inner side of the top of a stock bin is fixedly connected with a bag breaking cutter support, a bag breaking cutter is fixedly installed in the middle of the bag breaking cutter support, a discharging opening in the bottom of the stock bin is connected with a pneumatic fluorine-lined anti-explosion adjusting butterfly valve, and an anti-explosion star-shaped feeder is installed at the bottom of the pneumatic fluorine-lined anti-explosion adjusting butterfly valve; the top of the stock bin is covered with a stock bin cover matched with the top of the stock bin, a packaging bag can be conveniently broken open through the arrangement of a bag breaking cutter and a bag breaking support, so that feeding is conducted on the stock bin, the top of the stock bin is further blocked in cooperation with the arrangement of the stock bin cover and an annular stock bin cover sealing silica gel ring, and a relatively closed storage space is formed; further, feeding to the reaction kettle is controlled through a pneumatic fluorine-lined anti-explosion adjusting butterfly valve and an anti-explosion star-shaped feeder, so that overflow generated during feeding to the reaction kettle is effectively avoided, and meanwhile, the feeding speed and the feeding amount can be conveniently controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic feeding, in particular to a packaging bag breaking and feeding device. Background Art

[0002] In the chemical industry, manpower is usually used to add some materials. Once the materials or the solvent in the kettle are toxic and harmful, the operators will be at risk of poisoning and will cause damage to the surrounding environment. At present, the common practice on site is to use an electric hoist to lift the packaging bag above the kettle, and then manually cut the packaging bag from the bottom with a knife or other sharp objects to allow the material to leak into the kettle from the cut. This feeding method cannot control the amount of addition in real time during the process, and the addition speed is completely determined by the size of the cut. It is very inconvenient and very unfriendly to the surrounding environment. Therefore, a bag breaking and feeding device is proposed to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a packaging bag breaking and feeding device to solve the problems of environmental damage and uncontrollable feeding amount and feeding speed in the existing feeding process proposed in the above background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A bag breaking and feeding device for packaging bags comprises a silo, wherein the silo is a cylindrical barrel, which may be a rectangular parallelepiped or a barrel structure of other shapes, a bag breaking knife bracket is fixedly connected to the inner side of the top of the silo, a bag breaking knife is fixedly installed in the middle of the bag breaking knife bracket, the bag breaking knife comprises a bag breaking knife body part which extends into the packaging bag when in use and a part which is located outside the packaging bag and fixes the packaging bag, a knife edge for breaking the packaging bag and entering the interior of the packaging bag is provided on the extending part, a material inlet for supplying materials into the silo is provided at the lower part of the fixed part, a pneumatic fluorine-lined explosion-proof regulating butterfly valve is connected to the bottom discharge port of the silo, an explosion-proof star feeder is installed at the bottom of the pneumatic fluorine-lined explosion-proof regulating butterfly valve, and the explosion-proof star feeder is installed at the bottom of the explosion-proof star feeder. The feed port of the reactor, the pneumatic fluorine-lined explosion-proof regulating butterfly valve is used to control the feed speed of the material entering the explosion-proof star feeder, the explosion-proof star feeder is used to adjust the feed speed of the material entering the reactor, the top cover of the silo is provided with a silo cover adapted thereto, the silo cover can prevent moisture and air from interfering with the inside of the silo, the bottom surface of the silo cover is fixedly connected with an annular silo cover sealing silicone ring adapted to the silo, the cross-sectional shape of the annular silo cover sealing silicone ring can be circular, the cross-sectional shape can also be other shapes, as long as the silo cover and the silo can fit together, the setting of the annular silo cover sealing silicone ring further prevents interference from moisture and air, and the top of the silo cover is fixedly connected with a lifting ring.

[0006] As a further solution of the utility model: the bottom side wall of the silo is fixedly connected to a pipe connected thereto, a nitrogen explosion-proof electromagnetic regulating valve is installed on the pipe, the pipe is made of stainless steel, preferably 306L stainless steel, and the nitrogen explosion-proof electromagnetic regulating valve is used to adjust the size and switch of nitrogen.

[0007] As a further solution of the utility model: a high-pressure nitrogen explosion-proof pneumatic regulating valve is provided in the middle of the pneumatic fluorine-lined explosion-proof regulating butterfly valve, and the high-pressure nitrogen explosion-proof pneumatic regulating valve is connected to two purge pipes corresponding to the pneumatic fluorine-lined explosion-proof regulating butterfly valve above and below. The purge pipes form a blowing annular nitrogen flow above and below the pneumatic fluorine-lined explosion-proof regulating butterfly valve, which is used to purge clean materials and prevent materials from remaining on the pneumatic fluorine-lined explosion-proof regulating butterfly valve, affecting the use of the pneumatic fluorine-lined explosion-proof regulating butterfly valve. The nitrogen flow is preferably 0.2MPa, but it can also be other flow rates as long as the remaining materials can be purged.

[0008] As a further solution of the utility model: the bag breaking knife is a vertebral structure, the bag breaking knife can be conical, triangular pyramidal or quadrangular pyramidal, the bag breaking knife bracket is composed of a plurality of rod bodies fixed circumferentially, and the bag breaking knife bracket can be a cross or other scattered shapes.

[0009] As a further solution of the utility model: a raised portion matched with the bag breaking knife is provided on the top of the silo cover, and a hanging ring is fixedly connected to the top surface of the raised portion.

[0010] As a further solution of the utility model: the bag breaking knife, bag breaking knife bracket, silo, lifting ring and silo cover are all made of stainless steel, preferably 306L stainless steel. The lifting ring and silo cover do not have to be made of stainless steel, as long as the hardness meets the use requirements.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model can conveniently break the packaging bag through the arrangement of the bag breaking knife and the bag breaking piece, so as to add materials to the silo, and further cooperate with the arrangement of the silo cover and the annular silo cover sealing silicone ring to seal the top of the silo to form a relatively closed storage space, and further control the feeding to the reactor through the pneumatic fluorine-lined explosion-proof regulating butterfly valve and the explosion-proof star feeder, thereby effectively avoiding the spillage caused by feeding into the reactor, and at the same time, the feeding speed and the amount of feeding can be conveniently controlled.

[0013] 2. The utility model can introduce nitrogen into the silo through the setting of the nitrogen explosion-proof electromagnetic regulating valve, thereby squeezing out the air, and the top of the silo is sealed by the setting of the silo cover and the annular silo cover sealing silicone ring, thereby isolating the interference of air and moisture; and when nitrogen is introduced, it is prevented from escaping, saving nitrogen.

[0014] 3. The utility model pneumatic fluorine-lined explosion-proof regulating butterfly valve is provided with annular nitrogen flow above and below, which is used to purge the materials and prevent the materials from remaining on the pneumatic fluorine-lined explosion-proof regulating butterfly valve and affecting the use of the butterfly valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The figure is a schematic diagram of the structure of a packaging bag breaking and feeding device.

[0016] Figure 2 The figure is a top view of a silo in a packaging bag breaking and feeding device.

[0017] Figure 3 The figure is a side view of a silo cover in a packaging bag breaking and feeding device.

[0018] Figure 4 The figure is a top view of a silo cover in a packaging bag breaking and feeding device.

[0019] In the figure: 1. Bag breaking knife; 2. Bag breaking knife bracket; 3. Silo; 4. Pneumatic fluorine-lined explosion-proof regulating butterfly valve; 5. Explosion-proof star feeder; 6. Lifting ring; 7. Silo cover; 8. Annular silo cover sealing silicone ring; 9. Nitrogen explosion-proof electromagnetic regulating valve; 10. High-pressure nitrogen explosion-proof pneumatic regulating valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 4In the embodiment of the utility model, a bag breaking and feeding device for a packaging bag comprises a silo 3, which is a cylindrical barrel, which can be a rectangular parallelepiped or a barrel structure of other shapes. A bag breaking knife bracket 2 is fixedly connected to the inner side of the top of the silo 3, and a bag breaking knife 1 is fixedly installed in the middle of the bag breaking knife bracket 2. The bag breaking knife 1 has a bag breaking knife body part that extends into the packaging bag when in use and a part that fixes the packaging bag outside the packaging bag. A knife edge for breaking the packaging bag and entering the interior of the packaging bag is provided on the extending part, and a material inlet for supplying materials into the silo is provided at the lower part of the fixed part. A pneumatic fluorine-lined explosion-proof regulating butterfly valve 4 is connected to the bottom discharge port of the silo 3, and an explosion-proof star-shaped feeder 5 is installed at the bottom of the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4. The explosion-proof star-shaped feeder 5 is installed at the feed port of the reactor, and the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4 is used to control the feeding speed of the material entering the explosion-proof star-shaped feeder 5. The explosion-proof star feeder 5 is used to adjust the feeding speed of the material into the reactor. The top cover of the silo 3 is provided with a silo cover 7 adapted thereto. The silo cover 7 can prevent moisture and air from interfering with the inside of the silo 3. The bottom surface of the silo cover 7 is fixedly connected with an annular silo cover sealing silicone ring 8 adapted to the silo 3. The cross-sectional shape of the annular silo cover sealing silicone ring 8 can be circular, or other shapes, as long as the silo cover 7 and the silo 3 can fit together. The setting of the annular silo cover sealing silicone ring 8 further prevents the interference of moisture and air. The top of the silo cover 7 is fixedly connected with a lifting ring 6. The silo cover provided with the lifting ring 6 can be moved by a lifting device, which is convenient for operation and saves manpower and material resources. When the silo cover 7 is covered, it is sealed by the annular silo cover sealing silicone ring 8 to isolate the interference of air and moisture; and when nitrogen is introduced, nitrogen is prevented from escaping, saving nitrogen.

[0022] The bag breaking belt 1 is fixedly mounted on the top feed port of the silo 3 through the bag breaking knife bracket 2, so as to facilitate the packaging bag to fall on the top of the silo 3 and feed into the silo 3.

[0023] The bottom side wall of the silo 3 is fixedly connected to a pipe connected thereto, on which a nitrogen explosion-proof electromagnetic regulating valve 9 is installed. The pipe is made of stainless steel, preferably 306L stainless steel, and the nitrogen explosion-proof electromagnetic regulating valve 9 is used to adjust the size and switch of nitrogen.

[0024] When not in use, the nitrogen explosion-proof electromagnetic regulating valve 9 can be opened to adjust the nitrogen volume to obtain a silo 3 with a nitrogen atmosphere to isolate air and moisture interference.

[0025] A high-pressure nitrogen explosion-proof pneumatic regulating valve 10 is provided in the middle of the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4. The high-pressure nitrogen explosion-proof pneumatic regulating valve 10 corresponds to the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4 and is connected to two purge pipes above and below. The purge pipes form a blowing annular nitrogen flow above and below the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4, which is used to purge clean materials and prevent materials from remaining on the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4, affecting the use of the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4. The nitrogen flow is preferably 0.2MPa, but it can also be other flow rates as long as the residual materials can be purged.

[0026] The bag breaking knife 1 is a cone structure, and can be conical, triangular pyramidal or quadrangular pyramidal. The bag breaking knife bracket 2 is composed of a plurality of rod bodies fixed circumferentially, and can be a cross or other scattered shapes.

[0027] A raised portion matching the bag breaking knife 1 is provided on the top of the silo cover 7, and a hanging ring 6 is fixedly connected to the top surface of the raised portion.

[0028] The bag breaking knife 1, the bag breaking knife bracket 2, the silo 3, the lifting ring 6 and the silo cover 7 are all made of stainless steel, preferably 306L stainless steel. The lifting ring 6 and the silo cover 7 may not be made of stainless steel, as long as the hardness meets the use requirements.

[0029] Embodiment 1:

[0030] The embodiment of the bag breaking and feeding device described in the utility model is used for the feeding control of solid light, and can also be used for the feeding control of other solid materials. After the bag breaking knife 1 pierces the bag, the material in the bag can enter the silo 3 through the material inlet on the silo 3. A DN12 round hole is opened near the bottom of the silo 3, and a DN12 306L metal stainless steel pipe is welded for the introduction of nitrogen. When the bag breaking and feeding device is on standby, protective nitrogen is introduced to prevent moisture or other air interference. The nitrogen pipeline is located outside the above-mentioned silo 3, and a nitrogen explosion-proof electromagnetic regulating valve 9 is installed to adjust the amount and switch of nitrogen. A DN150 pneumatic fluorine-lined explosion-proof regulating butterfly valve 4 is provided at the bottom of the silo 3, which is used to adjust the opening and closing degree of the DN150 pneumatic fluorine-lined explosion-proof regulating butterfly valve 4 after the material is put into the silo 3, control the speed of the material entering the DN150 explosion-proof star feeder 5, and then adjust the rotation speed of the DN150 explosion-proof star feeder 5 to control the speed of the material entering the reactor. A DN15 high-pressure nitrogen explosion-proof pneumatic regulating valve 10 is provided in the middle of the DN150 pneumatic fluorine-lined explosion-proof regulating butterfly valve 4, and two 0.2MPa high-pressure nitrogen gas flows are provided, which are used to open the DN15 high-pressure nitrogen explosion-proof pneumatic regulating valve 10 after a batch of materials enters the DN150 explosion-proof star feeder 5 after being put into the silo 3, and blow out a 0.2MPa nitrogen gas flow to purge the remaining materials to prevent the DN150 pneumatic fluorine-lined explosion-proof regulating butterfly valve 4 from being blocked. A silo cover 7 is also provided on the top of the silo 3 to prevent the interference of moisture and air. A silo cover lifting ring 6 is provided in the middle of the top of the silo cover 7. The silo cover lifting ring 6 is lifted by a lifting device and moved to a flat ground, and then the bag breaking and feeding device is used. An annular silo cover silicone sealing ring 8 is provided at the edge of the bottom of the silo cover 7 to seal the silo cover 7 with the silo 3 when it is idle, further preventing the interference of moisture and air.

[0031] The working principle of the utility model is:

[0032] When in use, first use the silo cover lifting ring 6 to move the silo cover 7 to an open space through the lifting equipment, then use the lifting equipment to lift the packaging bag containing the material, and place it just above the bag breaking and feeding device of the packaging bag, slowly lower the packaging bag, wait for the bag breaking knife 1 to pierce the packaging bag and the packaging bag is fixed above the bag breaking knife bracket 2, and just falls on the top of the silo 3. During this process, the material in the packaging bag will enter the silo 3 through the material inlet on the silo 3. The material outlet is opened by the pneumatic fluorine-lined explosion-proof regulating butterfly valve 4, so that the material falls into the explosion-proof star feeder 5, and then feeds the reactor, thereby providing a new type of feeding device that is highly practical, simple to use, reduces manpower and material resources, is friendly to the surrounding environment, and can adjust the material feeding speed.

[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A packaging bag breaking and feeding device, comprising a silo (3), characterized in that: A bag breaking knife bracket (2) is fixedly connected to the inner side of the top of the silo (3), a bag breaking knife (1) is fixedly installed in the middle of the bag breaking knife bracket (2), a pneumatic fluorine-lined explosion-proof regulating butterfly valve (4) is connected to the bottom discharge port of the silo (3), an explosion-proof star-shaped feeder (5) is installed at the bottom of the pneumatic fluorine-lined explosion-proof regulating butterfly valve (4), the top cover of the silo (3) is provided with a silo cover (7) matched therewith, a ring-shaped silo cover sealing silicone ring (8) matched therewith is fixedly connected to the bottom surface of the silo cover (7), and a lifting ring (6) is fixedly connected to the top of the silo cover (7).

2. A packaging bag breaking and feeding device according to claim 1, characterized in that: The bottom side wall of the silo (3) is fixedly connected to a pipeline communicating therewith, and a nitrogen explosion-proof electromagnetic regulating valve (9) is installed on the pipeline.

3. The packaging bag breaking and feeding device according to claim 1 is characterized in that: A high-pressure nitrogen explosion-proof pneumatic regulating valve (10) is arranged in the middle of the pneumatic fluorine-lined explosion-proof regulating butterfly valve (4), and the high-pressure nitrogen explosion-proof pneumatic regulating valve (10) is connected to two purge pipes above and below the pneumatic fluorine-lined explosion-proof regulating butterfly valve (4).

4. The packaging bag breaking and feeding device according to claim 1 is characterized in that: The bag breaking knife (1) is a vertebral structure, and the bag breaking knife bracket (2) is composed of a plurality of rod bodies fixed around the circumference.

5. The packaging bag breaking and feeding device according to claim 1 is characterized in that: The top of the silo cover (7) is provided with a raised portion matched with the bag breaking knife (1), and the lifting ring (6) is fixedly connected to the top surface of the raised portion.

Images