Malononitrile production feeding device

Abstract

The utility model relates to the technical field of malononitrile production, and discloses a malononitrile production feeding device which comprises a feeding pipe and a mounting plate, a mounting hole is formed in the mounting plate, the feeding pipe is fixedly connected to the inner wall of the mounting hole, guide columns which are symmetrically arranged are fixedly connected to the left side of the top of the mounting plate, and the guide columns are fixedly connected to the left side of the top of the mounting plate. The same lifting plate is slidably mounted on the two guide columns, and a connecting plate is fixedly connected to the outer wall of the middle of the top of the lifting plate. The two guide columns arranged in a matched mode can drive the lifting plate to move downwards, the lifting plate drives the fixing plate to move downwards, the fixing plate can drive the fixing rod and the scraping plate to move downwards till the scraping plate makes contact with the inner wall of the feeding pipe, and the scraping plate continuously moves downwards to the bottom end of the feeding pipe on the inner wall of the feeding pipe. And therefore, the residual production raw materials on the inner wall of the feeding pipe can be scraped, the residual production raw materials on the inner wall of the feeding pipe can be conveniently pushed into production equipment, and the device is practical and suitable for being widely popularized and used.

Description

Technical Field

[0001] The utility model belongs to the technical field of malononitrile production, and specifically relates to a malononitrile production feeding device. Background Art

[0002] Malononitrile is an important organic chemical raw material used to produce various organic products. It has many applications, such as in medicine, pesticides, agriculture, coatings, new energy, automobiles and other fields. There are many production processes for malononitrile, and different process routes are selected according to different needs.

[0003] Malononitrile is a colorless crystalline powder. In the production process of malononitrile, raw materials need to be fed into the production equipment through a feeding device. However, the raw materials are easily left on the inner wall of the feeding pipe during the feeding process, resulting in a waste of raw materials in the production process of malononitrile, which is not conducive to fully utilizing the production raw materials. In view of this, the utility model is proposed to provide a malononitrile production feeding device to solve the above problems. Utility Model Content

[0004] In order to solve the technical problem that raw materials are easily left on the inner wall of the feeding pipe during the feeding process, resulting in the phenomenon of raw material waste in the production process of malononitrile, which is not conducive to fully utilizing the production raw materials, the basic concept of the technical solution adopted by the utility model is:

[0005] A feeding device for producing malononitrile comprises a feeding pipe and a mounting plate, wherein a mounting hole is provided on the mounting plate, and the feeding pipe is fixedly connected to the inner wall of the mounting hole, a symmetrically arranged guide column is fixedly connected to the left side of the top of the mounting plate, the same lifting plate is slidably mounted on the two guide columns, a connecting plate is fixedly connected to the outer wall of the middle part of the top of the lifting plate, a fixing rod is fixedly connected to the end position of the connecting plate, a scraping plate is fixedly mounted on the bottom end of the fixing rod, the scraping plate is located directly above the feeding pipe, the scraping plate is a circular structure, and the diameter of the scraping plate is the same as the inner diameter of the feeding pipe, a first guide block and a second guide block are respectively slidably mounted on both sides of the top of the mounting plate, and the first guide block and the second guide block are symmetrically arranged at the top position of the mounting plate, a symmetrically arranged first connecting frame is fixedly connected to both sides of the bottom of the lifting plate, guide rods are hingedly mounted on the two first connecting frames, the top outer walls of the first guide block and the second guide block are fixedly connected to the second connecting frame, and the bottom ends of the two guide rods are respectively hingedly mounted on the two second connecting frames.

[0006] As a preferred embodiment of the utility model, a symmetrically arranged first fixing plate is fixedly connected to one side of the top of the mounting plate, and a first screw rod and a second screw rod are rotatably installed on one side of the two first fixing plates respectively, and the thread directions of the first screw rod and the second screw rod are opposite.

[0007] As a preferred embodiment of the utility model, a first threaded hole is formed on the first guide block, and the first screw is screwed on the inner wall of the first threaded hole. A second threaded hole is formed on the second guide block, and the second screw is screwed on the inner wall of the second threaded hole.

[0008] As a preferred embodiment of the present utility model, a second fixing plate is fixedly connected to the right outer wall at the top of the mounting plate, and a rotating shaft is rotatably mounted on one side of the second fixing plate.

[0009] As a preferred embodiment of the utility model, a driving pulley is fixedly connected to the outer wall of the end of the first screw rod, a driven pulley is fixedly connected to the end of the rotating shaft, and the driving pulley and the driven pulley are connected to the same transmission belt.

[0010] As a preferred embodiment of the utility model, a main gear is fixedly connected to the outer wall of the rotating shaft, a slave gear is fixedly connected to the end of the second screw rod, and the main gear and the slave gear are meshed with each other.

[0011] As a preferred embodiment of the utility model, a protective shell is fixedly installed at the end position of the mounting plate, the driving pulley, the driven pulley, the transmission belt, the main gear and the slave gear are all located on the inner side of the protective shell, and a driving motor is fixedly installed on the inner wall of one side of the protective shell, and the output shaft of the driving motor is connected to the end position of the first screw rod.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model provides a feeding pipe to facilitate the staff to feed the production raw materials into the production equipment through the feeding pipe. After the feeding of the production raw materials is completed, the first guide block and the second guide block are moved in the same direction, so that the first guide block and the second guide block drive the two second connecting frames to move horizontally, and the two second connecting frames cooperate with the two first connecting frames to change the inclination angle of the two guide rods. When the inclination angle of the two guide rods changes, the two guide columns that are cooperated can drive the lifting plate to move downward, and the lifting plate drives the fixed plate to move downward, so that the fixed plate can drive the fixed rod and the scraper plate to move downward until the scraper plate contacts the inner wall of the feeding pipe, and the scraper plate continues to move down on the inner wall of the feeding pipe to the bottom end position of the feeding pipe, so that the production raw materials remaining on the inner wall of the feeding pipe can be scraped off, which is convenient for pushing the production raw materials remaining on the inner wall of the feeding pipe into the production equipment, avoiding the phenomenon of raw material waste, and is conducive to fully utilizing the production raw materials.

[0014] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In the attached picture:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a side view of the structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the scraper plate of the utility model;

[0019] Figure 4 This is a schematic diagram of the cross-sectional structure of the protective housing of the utility model;

[0020] Figure 5 It is a schematic diagram of the side cross-sectional structure of the protective shell of the utility model.

[0021] In the figure: 1. feeding pipe; 2. mounting plate; 3. guide column; 4. lifting plate; 5. connecting plate; 6. fixing rod; 7. scraper plate; 8. first guide block; 9. second guide block; 10. first fixing plate; 11. guide rod; 12. first screw rod; 13. second screw rod; 14. second fixing plate; 15. protective shell; 16. rotating shaft; 17. first connecting frame; 18. second connecting frame; 19. driving pulley; 20. driven pulley; 21. transmission belt; 22. driving motor; 23. main gear; 24. slave gear. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model.

[0023] like Figures 1 to 5 Shown

[0024] A feeding device for the production of malononitrile comprises a feeding pipe 1 and a mounting plate 2, wherein a mounting hole is provided on the mounting plate 2, and the feeding pipe 1 is fixedly connected to the inner wall of the mounting hole, and the feeding pipe 1 is provided to facilitate the staff to feed the production raw materials into the production equipment through the feeding pipe 1, and a symmetrically arranged guide column 3 is fixedly connected to the left side of the top of the mounting plate 2, and the same lifting plate 4 is slidably installed on the two guide columns 3, and a connecting plate 5 is fixedly connected to the outer wall of the middle part of the top of the lifting plate 4, and a fixing rod 6 is fixedly connected to the end position of the connecting plate 5, and a scraper plate 7 is fixedly installed at the bottom end of the fixing rod 6, and the scraper plate 7 is located directly above the feeding pipe 1, and the scraper plate 7 is a circular structure, and the diameter of the scraper plate 7 is the same as the inner diameter of the feeding pipe 1, and a first guide block 8 and a second guide block 9 are respectively slidably installed on both sides of the top of the mounting plate 2, and the first guide block 8 and the second guide block 9 are symmetrically arranged at the top position of the mounting plate 2, and the two sides of the bottom of the lifting plate 4 are fixedly connected to symmetrically arranged first connecting frames 17, and the two first connecting frames 17 are fixedly connected. The guide rods 11 are both hingedly installed, and the top outer walls of the first guide block 8 and the second guide block 9 are fixedly connected with the second connecting frame 18. The bottom ends of the two guide rods 11 are respectively hingedly installed on the two second connecting frames 18. The first guide block 8 and the second guide block 9 drive the two second connecting frames 18 to move horizontally. The two second connecting frames 18 cooperate with the two first connecting frames 17 to change the inclination angles of the two guide rods 11. When the inclination angles of the two guide rods 11 change, the two cooperated guide columns 3 can drive the lifting plate 4 to move downward, and the lifting plate 4 drives the connecting plate 5 to move downward, so that the connecting plate 5 can drive the fixed rod 6 and the scraper plate 7 to move downward until the scraper plate 7 contacts the inner wall of the feeding pipe 1, and the scraper plate 7 continues to move downward on the inner wall of the feeding pipe 1 to the bottom end position of the feeding pipe 1, so that the production raw materials remaining on the inner wall of the feeding pipe 1 can be scraped off, which is convenient for pushing the production raw materials remaining on the inner wall of the feeding pipe 1 into the production equipment.

[0025] In a specific embodiment, a symmetrically arranged first fixing plate 10 is fixedly connected to one side of the top of the mounting plate 2, and a first screw rod 12 and a second screw rod 13 are rotatably installed on one side of the two first fixing plates 10, respectively. The thread directions of the first screw rod 12 and the second screw rod 13 are opposite. A first threaded hole is provided on the first guide block 8, and the first screw rod 12 is screwed on the inner wall of the first threaded hole. A second threaded hole is provided on the second guide block 9, and the second screw rod 13 is screwed on the inner wall of the second threaded hole. A second fixing plate 14 is fixedly connected to the outer wall of the top right side of the mounting plate 2, and a rotating shaft 16 is rotatably installed on one side of the second fixing plate 14. A driving pulley 19 is fixedly connected to the outer wall of the end of the first screw rod 12, and a driven pulley 20 is fixedly connected to the end position of the rotating shaft 16. The same transmission belt 21 is connected to the driving pulley 19 and the driven pulley 20, and a main gear 23 is fixedly connected to the outer wall of the rotating shaft 16, and a slave gear 24 is fixedly connected to the end position of the second screw rod 13. The main gear 23 and the slave gear 24 mesh with each other. The end position of the mounting plate 2 is fixedly installed There is a protective shell 15, a driving pulley 19, a driven pulley 20, a transmission belt 21, a main gear 23 and a slave gear 24 are all located inside the protective shell 15, and a driving motor 22 is fixedly installed on the inner wall of one side of the protective shell 15, and the output shaft of the driving motor 22 is connected to the end position of the first screw rod 12. After the production raw material feeding is completed, the driving motor 22 is started to drive the first screw rod 12 to rotate, and the first screw rod 12 drives the driving pulley 19 to rotate, and the driving pulley 19 is matched with the transmission belt 21 to drive the driven pulley 20 to rotate, and the driven pulley 20 drives the rotating shaft 16 to rotate, so that the rotating shaft 16 drives the main gear 23 to rotate, and the main gear 23 drives the slave gear 24 to rotate, so that the slave gear 24 drives the second screw rod 13 to rotate, so that when the first screw rod 12 drives the first guide block 8 to move laterally, the second screw rod 13 can drive the second guide block 9 to move laterally. Since the thread directions of the first screw rod 12 and the second screw rod 13 are opposite, the first guide block 8 and the second guide block 9 can move in the same direction.

[0026] The implementation principle of a malononitrile production feeding device of this embodiment is as follows:

[0027] During specific use, the feeding pipe 1 is provided to facilitate the staff to feed the production materials into the production equipment through the feeding pipe 1. After the production materials are fed, the driving motor 22 is started to drive the first screw rod 12 to rotate, and the first screw rod 12 drives the active pulley 19 to rotate. The active pulley 19 cooperates with the transmission belt 21 to drive the driven pulley 20 to rotate, and the driven pulley 20 drives the rotating shaft 16 to rotate, so that the rotating shaft 16 drives the main gear 23 to rotate, and the main gear 23 drives the slave gear 24 to rotate, so that the slave gear 24 drives the second screw rod 13 to rotate, so that the first screw rod 12 drives the first guide block 8 to move laterally while the second screw rod 13 can drive the second guide block 9 to move laterally. Since the thread directions of the first screw rod 12 and the second screw rod 13 are opposite, the first guide block 8 and the second guide block 9 can move to The two guide blocks 18 move in the same direction, so that the first guide block 8 and the second guide block 9 drive the two second connecting frames 18 to move horizontally, and the two second connecting frames 18 cooperate with the two first connecting frames 17 to change the inclination angle of the two guide rods 11. When the inclination angle of the two guide rods 11 changes, the two guide columns 3 that are arranged in cooperation can drive the lifting plate 4 to move downward, and the lifting plate 4 drives the connecting plate 5 to move downward, so that the connecting plate 5 can drive the fixing rod 6 and the scraper plate 7 to move downward until the scraper plate 7 contacts the inner wall of the feeding pipe 1, and the scraper plate 7 continues to move downward on the inner wall of the feeding pipe 1 to the bottom end position of the feeding pipe 1, so that the production raw materials remaining on the inner wall of the feeding pipe 1 can be scraped off, which is convenient for pushing the production raw materials remaining on the inner wall of the feeding pipe 1 into the production equipment, avoiding the phenomenon of raw material waste.

Claims

1. A feeding device for producing malononitrile, comprising a feeding pipe (1) and a mounting plate (2), characterized in that: The mounting plate (2) is provided with a mounting hole, and the feeding pipe (1) is fixedly connected to the inner wall of the mounting hole. A symmetrically arranged guide column (3) is fixedly connected to the left side of the top of the mounting plate (2), and the same lifting plate (4) is slidably mounted on the two guide columns (3). A connecting plate (5) is fixedly connected to the outer wall of the middle part of the top of the lifting plate (4), and a fixing rod (6) is fixedly connected to the end position of the connecting plate (5). A scraper plate (7) is fixedly mounted on the bottom end of the fixing rod (6), and the scraper plate (7) is located directly above the feeding pipe (1). The scraper plate (7) is a circular structure, and the diameter of the scraper plate (7) is the same as that of the feeding pipe (1). 1), the first guide block (8) and the second guide block (9) are slidably mounted on both sides of the top of the mounting plate (2), and the first guide block (8) and the second guide block (9) are symmetrically arranged at the top of the mounting plate (2); the first connecting frames (17) are fixedly connected to both sides of the bottom of the lifting plate (4), and the two first connecting frames (17) are hingedly mounted with guide rods (11); the top outer walls of the first guide block (8) and the second guide block (9) are fixedly connected with second connecting frames (18), and the bottom ends of the two guide rods (11) are respectively hingedly mounted on the two second connecting frames (18).

2. A malononitrile production feeding device according to claim 1, characterized in that, A symmetrically arranged first fixing plate (10) is fixedly connected to one side of the top of the mounting plate (2), and a first screw rod (12) and a second screw rod (13) are rotatably mounted on one side of the two first fixing plates (10), respectively, and the thread directions of the first screw rod (12) and the second screw rod (13) are opposite.

3. A malononitrile production feeding device according to claim 2, characterized in that, The first guide block (8) is provided with a first threaded hole, and the first screw rod (12) is screwed onto the inner wall of the first threaded hole; the second guide block (9) is provided with a second threaded hole, and the second screw rod (13) is screwed onto the inner wall of the second threaded hole.

4. A malononitrile production feeding device according to claim 2, characterized in that, A second fixing plate (14) is fixedly connected to the right outer wall of the top of the mounting plate (2), and a rotating shaft (16) is rotatably mounted on one side of the second fixing plate (14).

5. A malononitrile production feeding device according to claim 4, characterized in that, A driving pulley (19) is fixedly connected to the outer wall of the end of the first screw rod (12), a driven pulley (20) is fixedly connected to the end of the rotating shaft (16), and the driving pulley (19) and the driven pulley (20) are connected to the same transmission belt (21).

6. A malononitrile production feeding device according to claim 5, characterized in that, A main gear (23) is fixedly connected to the outer wall of the rotating shaft (16), and a slave gear (24) is fixedly connected to the end of the second screw rod (13); the main gear (23) and the slave gear (24) are meshed with each other.

7. A malononitrile production feeding device according to claim 6, characterized in that, A protective housing (15) is fixedly mounted at the end of the mounting plate (2); the driving pulley (19), the driven pulley (20), the transmission belt (21), the main gear (23) and the slave gear (24) are all located inside the protective housing (15); a driving motor (22) is fixedly mounted on an inner wall of one side of the protective housing (15); and an output shaft of the driving motor (22) is connected to the end of the first screw rod (12).

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