Chemical safety feeding device

Abstract

The utility model provides a chemical safety feeding device, which relates to the technical field of chemical equipment, and comprises a box body, a box door and a collection hopper, the top of the box body is hinged with the box door, the bottom of the box body is provided with the collection hopper, the box body is internally provided with a dust removal mechanism, and the bottom of the front side of the box body is fixedly connected with a storage rack. A cutting mechanism is arranged at the top of the storage rack; the output end of the second motor can drive the lead screw to rotate forwards and backwards above the cutter groove and drive the sliding block to reciprocate along the track of the guide rail, the cutting knife is connected with the sliding block through the moving block and the pin shaft, the cutting knife can also move along the track of the guide rail along with the sliding block, and when the cutting knife moves to the position above the cutter groove, the cutting knife can move downwards. The plastic bags in the cutter grooves are just cut, the plastic bags can be manually jacked tightly in the cutting process, the plastic bag cutting effect is prevented from being affected, and the hands of workers do not make contact with powder at the cut positions of the plastic bags in the cutting process, so that the body health of the workers is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of chemical equipment technology, and in particular to a chemical safety feeding device. Background Technology

[0002] Chemical industry is an abbreviation for chemical process, chemical industry and chemical engineering. All technologies that use chemical methods to change the composition and structure of substances or synthesize new substances belong to chemical production technology, also known as chemical process. The products obtained are called chemical products. In chemical production, various liquids and materials need to be placed in a reaction vessel to carry out chemical reactions in order to obtain chemical products. The device that transports the liquids or materials into the reaction vessel is called the feeding device.

[0003] When feeding materials into a chemical reactor, manual feeding is usually required, and dust is inevitably generated during the pouring of raw materials. The more the workers pour, the more dust they inhale. In this case, a dust-free feeding mechanism is installed in the equipment. However, when using this mechanism, it is still necessary to cut open the plastic packaging containing the chemical powder first. Manually cutting open the plastic packaging can easily lead to direct contact with the powder inside, which may affect the health of employees. Therefore, this utility model proposes a chemical safety feeding device to solve the above problems. Utility Model Content

[0004] To address the aforementioned issues, this utility model proposes a chemical safety feeding device to solve the problem in the prior art where manually cutting open plastic bags can easily lead to direct contact between the device and the powder inside, affecting the health of employees.

[0005] To achieve the purpose of this utility model, the utility model is implemented through the following technical solution: a chemical safety feeding device, including a box body, a box door, and a collection hopper. The box body is hinged to the top of the box body, the box body is provided with a collection hopper at the bottom, a shelf is fixedly connected to the bottom of the front of the box body, and a cutting mechanism is provided at the top of the shelf.

[0006] The cutting mechanism includes a guide rail, a slider, a moving block, a pin, a cutter, a strip-shaped groove frame, and a drive mechanism. The top of the shelf is fixedly connected to the guide rail, and the slider is slidably connected to the outside of the guide rail. The outside of the slider is hinged to the moving block via a pin, and the bottom of the moving block is fixedly connected to the cutter. The outer wall of the moving block is slidably connected to the inner wall of the strip-shaped groove frame. One end of the pin extends through the interior of the strip-shaped groove frame. The bottom of the shelf is provided with a cutter groove, and the cutter and the cutter groove are parallel to each other. The height of the cutter groove on the guide rail is lower than the height of the left and right sides of the guide rail. The drive mechanism is used to drive the slider to move along the guide rail.

[0007] A further improvement is made in that: the driving mechanism includes a lead screw and a second motor; the top of the shelf is rotatably connected to the lead screw; the outer side of the lead screw is threaded to the strip-shaped groove frame; a second motor is fixedly installed on one side of the top of the shelf; and the output end of the second motor is fixedly connected to one end of the lead screw.

[0008] A further improvement is that the bottom end of the collecting hopper is connected to a conveying pipe.

[0009] A further improvement is that: cylinders are symmetrically hinged to both sides of the box body, and connecting shafts are symmetrically fixed to both sides of the box door, with one end of each connecting shaft hinged to the output end of the two cylinders respectively.

[0010] A further improvement is that the interior of the housing is equipped with a dust removal mechanism.

[0011] A further improvement is that the dust removal mechanism includes a filter element and a fan. The filter element is installed on the upper part of the housing, and the fan is fixedly installed on the top of the housing. The input end of the fan is connected to the top of the filter element.

[0012] A further improvement is that a back-blowing mechanism is also provided on the top of the housing.

[0013] A further improvement is that the backflushing mechanism includes an air tank, an air supply pipe, a pulse valve, and an air delivery pipe. An air tank is fixedly installed on one side of the top of the housing. One end of the air tank is connected to the input end of the blower through the air supply pipe, and the other end of the air tank is connected to the top of the filter element through the air delivery pipe. A pulse valve is installed on the air delivery pipe.

[0014] A further improvement is that: the top of one end of the conveying pipe is connected to a feed pipe, the bottom of the other end of the conveying pipe is connected to a discharge pipe, and an automatic feeding mechanism is provided on the conveying pipe.

[0015] A further improvement is that the automatic feeding mechanism includes a screw and a No. 1 motor. The screw is rotatably connected inside the conveying pipe, and a No. 1 motor is fixedly installed at one end of the conveying pipe. The output end of the No. 1 motor is fixedly connected to one end of the screw.

[0016] The beneficial effects of this utility model are as follows: This utility model uses a lead screw and a strip groove frame in a threaded fit, and the strip groove frame is connected to the slider via a pin. The guide rail restricts the movement trajectory of the slider. The output end of the No. 2 motor can drive the lead screw to rotate forward and backward above the cutter groove, causing the slider to move back and forth along the trajectory of the guide rail. Since the cutter is connected to the slider via a moving block, a pin, and a pin, the cutter can also follow the slider along the trajectory of the guide rail. When the cutter moves to the top of the cutter groove, since the height of the cutter groove on the guide rail is lower than the height of the left and right sides of the guide rail, the cutter will move downward, just enough to cut the plastic bag in the cutter groove. During the cutting process, the plastic bag can be manually held in place to avoid affecting the cutting effect. During this period, the employee's hands do not come into contact with the powder at the cut of the plastic bag, thus ensuring the employee's health. Attached Figure Description

[0017] Figure 1 This is the front view of the present invention;

[0018] Figure 2 This is a side view of the present invention;

[0019] Figure 3 This is a schematic diagram of the cutting mechanism structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the conveying mechanism structure of this utility model;

[0021] Figure 5 This is a schematic diagram of the dust removal mechanism of this utility model.

[0022] In the diagram: 1. Box body; 2. Box door; 3. Collection hopper; 4. Conveying pipe; 5. Shelf; 6. Knife groove; 7. Guide rail; 8. Slider; 9. Moving block; 10. Pin shaft; 11. Cutting knife; 12. Strip groove frame; 13. Lead screw; 14. Filter element; 15. Fan; 16. Air tank; 17. Air supply pipe; 18. Pulse valve; 19. Air delivery pipe; 20. Screw; 21. Motor No. 1; 22. Feed pipe; 23. Discharge pipe; 24. Cylinder; 25. Connecting shaft; 26. Motor No. 2. Detailed Implementation

[0023] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0024] according to Figure 1-5As shown in the figure, this embodiment proposes a chemical safety feeding device, including a box body 1, a box door 2, a collection hopper 3, and a conveying pipe 4. The box body 1 is hinged to the top of the box door 2, and the box body 1 is provided with a collection hopper 3 at the bottom. The bottom end of the collection hopper 3 is connected to the conveying pipe 4. The box body 1 is provided with a dust removal mechanism. The bottom of the front of the box body 1 is fixedly connected to a shelf 5, and the top of the shelf 5 is provided with a cutting mechanism. In use, the plastic bag containing chemical powder is first cut open by the cutting mechanism. Then, the remaining uncut part of the plastic bag is grabbed and put into the box body 1. During this process, the employee's hands do not come into contact with the powder at the cut part of the plastic bag to ensure the employee's health. During the feeding process, the dust removal mechanism can suck up the chemical powder to prevent it from spilling. The chemical powder falls into the conveying pipe 4 through the collection hopper 3. One end of the conveying pipe 4 is connected to the feed pipe on the reactor, and the chemical powder is directly conveyed into the reactor through the conveying pipe 4.

[0025] Specifically, the cutting mechanism includes a guide rail 7, a slider 8, a moving block 9, a pin 10, a cutter 11, a strip-shaped groove frame 12, and a driving mechanism. The driving mechanism includes a lead screw 13 and a second motor 26. The top of the shelf 5 is fixedly connected to the guide rail 7, and the slider 8 is slidably connected to the outside of the guide rail 7. The outside of the slider 8 is hinged to the moving block 9 via the pin 10. The bottom of the moving block 9 is fixedly connected to the cutter 11. The driving mechanism is used to drive the slider 8 to move along the guide rail 7. The outer wall of the moving block 9 is slidably connected to the inner wall of the strip-shaped groove frame 12. One end of the pin 10 passes through the interior of the strip-shaped groove frame 12. The bottom of the shelf 5 is provided with a cutter groove 6. The cutter 11 is parallel to the cutter groove 6. The height of the guide rail 7 at the cutter groove 6 is lower than the height of the left and right sides of the guide rail 7.

[0026] Specifically, a lead screw 13 is rotatably connected to the top of the shelf 5, and the outer side of the lead screw 13 is threaded to the strip-shaped groove frame 12. A second motor 26 is fixedly installed on one side of the top of the shelf 5, and the output end of the second motor 26 is fixedly connected to one end of the lead screw 13.

[0027] In use, the lead screw 13 is threaded into the strip groove frame 12, and the strip groove frame 12 is connected to the slider 8 through the pin 10. The guide rail 7 restricts the movement trajectory of the slider 8. The output end of the second motor 26 can drive the lead screw 13 to rotate forward and backward above the cutter groove 6, causing the slider 8 to move back and forth along the trajectory of the guide rail 7. Since the cutter 11 is connected to the slider 8 through the moving block 9, the pin 10, and the slider 8, the cutter 11 can also follow the slider 8 and move along the trajectory of the guide rail 7. When the cutter 11 moves to the top of the cutter groove 6, since the height of the cutter groove 6 on the guide rail 7 is lower than the height of the left and right sides of the guide rail 7, the cutter 11 will move downward, just enough to cut the plastic bag in the cutter groove 6. During the cutting process, the plastic bag can be manually tightened to avoid affecting the cutting effect.

[0028] The two sides of the box body 1 are symmetrically hinged with cylinders 24, and the two sides of the box door 2 are symmetrically fixedly connected with connecting shafts 25. One end of each connecting shaft 25 is hinged to the output end of the two cylinders 24. When the output end of the cylinder 24 extends or shortens, it can drive the box door 2 to rotate in both directions with its top as the center, so as to automatically open or close the box door 2.

[0029] The dust removal mechanism includes a filter element 14 and a fan 15. The filter element 14 is installed on the upper part of the inside of the housing 1, and the fan 15 is fixedly installed on the top of the housing 1. The input end of the fan 15 is connected to the top of the filter element 14. In use, the input end of the fan 15 can draw air from inside the housing 1. The dispersed chemical powder moves with the air towards the output end of the fan 15. When passing through the filter element 14, the air and chemical powder are separated. The air is discharged to the outside of the housing 1 through the fan 15, while the chemical powder is trapped on the outside of the filter element 14, preventing the chemical powder from overflowing and being inhaled by employees, thus avoiding health risks.

[0030] The top of the housing 1 is also provided with a back-blowing mechanism, which includes an air tank 16, an air supply pipe 17, a pulse valve 18, and an air delivery pipe 19. An air tank 16 is fixedly installed on one side of the top of the housing 1. One end of the air tank 16 is connected to the input end of the fan 15 through the air supply pipe 17, and the other end of the air tank 16 is connected to the top of the filter element 14 through the air delivery pipe 19. A pulse valve 18 is installed on the air delivery pipe 19. When in use, open the valve on the air supply pipe 17. When the fan 15 draws in air, it can deliver the gas into the air tank 16. When the air tank 16 is full of gas, close the valve. When a lot of dust accumulates on the outside of the filter element 14, first close the box door 2, and the fan 15 also stops working. The pulse valve 18 works with the air supply pipe 19 to pressurize the air in the air tank 16 and spray it onto the filter element 14 to blow off the dust on the outside of the filter element 14 and clean the dust outside the filter element 14. Then close the pulse valve 18 and then open the box door 2.

[0031] The top of one end of the conveying pipe 4 is connected to the feed pipe 22, and the bottom of the other end of the conveying pipe 4 is connected to the discharge pipe 23. The conveying pipe 4 is equipped with an automatic feeding mechanism, which includes a screw 20 and a first motor 21. The screw 20 is rotatably connected inside the conveying pipe 4, and the first motor 21 is fixedly installed at one end of the conveying pipe 4. The output end of the first motor 21 is fixedly connected to one end of the screw 20. After the dust falls into the inside of the collecting hopper 3, it enters the inside of the conveying pipe 4 through the feed pipe 22. The first motor 21 can drive the screw 20 to rotate inside the conveying pipe 4. The spiral blades on the screw 20 drive the dust to move upward, and the dust is directly conveyed into the inside of the reactor through the discharge pipe 23.

[0032] The chemical safety feeding device is connected to the lead screw 13 and the strip trough frame 12 by a threaded engagement. The strip trough frame 12 is connected to the slider 8 by a pin 10. The guide rail 7 restricts the movement trajectory of the slider 8. The output end of the second motor 26 can drive the lead screw 13 to rotate forward and backward above the cutter groove 6, causing the slider 8 to move back and forth along the trajectory of the guide rail 7. Since the cutter 11 is connected to the slider 8 through the moving block 9, the pin 10, and the slider 8, the cutter 11 can also follow the slider 8 along the trajectory of the guide rail 7. When the cutter 11 moves above the cutter groove 6, since the height of the cutter groove 6 on the guide rail 7 is lower than the height of the left and right sides of the guide rail 7, the cutter 11 will move downward, just enough to cut the plastic bag in the cutter groove 6. During the cutting process, the plastic bag can be manually held in place to avoid affecting the cutting effect. During this period, the employee's hands do not come into contact with the powder at the cut point of the plastic bag, thus ensuring the employee's health.

[0033] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A chemical safety feeding device, comprising a housing (1), a door (2), and a hopper (3), characterized in that: The top of the box (1) is hinged with a box door (2), the bottom of the box (1) is provided with a material collection hopper (3), the bottom of the front of the box (1) is fixedly connected with a shelf (5), and the top of the shelf (5) is provided with a cutting mechanism. The cutting mechanism includes a guide rail (7), a slider (8), a moving block (9), a pin (10), a cutter (11), a strip-shaped groove frame (12), and a driving mechanism. The top of the shelf (5) is fixedly connected to the guide rail (7), and the outside of the guide rail (7) is slidably connected to the slider (8). The outside of the slider (8) is hinged to the moving block (9) through the pin (10). The bottom of the moving block (9) is fixedly connected to the cutter (11). The outer wall of the moving block (9) is slidably connected to the inner wall of the strip-shaped groove frame (12). One end of the pin (10) passes through the interior of the strip-shaped groove frame (12). The bottom of the shelf (5) is provided with a cutter groove (6). The cutter (11) and the cutter groove (6) are parallel to each other. The height of the guide rail (7) at the cutter groove (6) is lower than the height of the left and right sides of the guide rail (7). The driving mechanism is used to drive the slider (8) to move along the guide rail (7).

2. The chemical safety feeding device according to claim 1, characterized in that: The drive mechanism includes a lead screw (13) and a second motor (26). The top of the shelf (5) is rotatably connected to the lead screw (13). The outer side of the lead screw (13) is threadedly connected to the strip-shaped frame (12). The second motor (26) is fixedly installed on one side of the top of the shelf (5). The output end of the second motor (26) is fixedly connected to one end of the lead screw (13).

3. The chemical safety feeding device according to claim 1, characterized in that: The bottom end of the collecting hopper (3) is connected to a conveying pipe (4).

4. A chemical safety feeding device according to claim 1, characterized in that: The box body (1) is symmetrically hinged with cylinders (24) on both sides, and the box door (2) is symmetrically fixedly connected with connecting shafts (25) on both sides. One end of the two connecting shafts (25) is respectively hinged to the output end of the two cylinders (24).

5. A chemical safety feeding device according to claim 1, characterized in that: The box (1) is equipped with a dust removal mechanism inside.

6. A chemical safety feeding device according to claim 5, characterized in that: The dust removal mechanism includes a filter element (14) and a fan (15). The filter element (14) is installed on the upper part of the inside of the housing (1), and the fan (15) is fixedly installed on the top of the housing (1). The input end of the fan (15) is connected to the top of the filter element (14).

7. A chemical safety feeding device according to claim 6, characterized in that: The top of the housing (1) is also provided with a back-blowing mechanism.

8. A chemical safety feeding device according to claim 7, characterized in that: The backflush mechanism includes an air tank (16), an air supply pipe (17), a pulse valve (18), and an air delivery pipe (19). An air tank (16) is fixedly installed on one side of the top of the housing (1). One end of the air tank (16) is connected to the input end of the fan (15) through the air supply pipe (17), and the other end of the air tank (16) is connected to the top of the filter element (14) through the air delivery pipe (19). A pulse valve (18) is installed on the air delivery pipe (19).

9. A chemical safety feeding device according to claim 3, characterized in that: The top of one end of the conveying pipe (4) is connected to the feed pipe (22), and the bottom of the other end of the conveying pipe (4) is connected to the discharge pipe (23). An automatic feeding mechanism is provided on the conveying pipe (4).

10. A chemical safety feeding device according to claim 9, characterized in that: The automatic feeding mechanism includes a screw (20) and a first motor (21). The screw (20) is rotatably connected inside the conveying pipe (4). The first motor (21) is fixedly installed at one end of the conveying pipe (4). The output end of the first motor (21) is fixedly connected to one end of the screw (20).

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