Chemical raw material conveying device

Abstract

The application discloses a chemical raw material conveying device and relates to the technical field of raw material conveying devices; the device comprises a mounting frame, a feeding mechanism and a conveying mechanism are installed on the mounting frame; the conveying mechanism comprises a chain wheel, the chain wheel is rotatably installed on the mounting frame through a shaft; a conveying drive motor is installed on one side outer wall of the mounting frame through a motor base, and the output end of the conveying drive motor is in transmission connection with the shaft of the chain wheel. The conveying mechanism is arranged, the conveying boxes can be driven to convey materials based on the working of the conveying drive motor, the heating rod can heat the bottom of the conveying box during the conveying process, and thus the preheating of the materials is realized; the corrugated plate and the linkage frame are arranged, the conveying box is driven to reset based on the rebound force of the clock spring after the linkage frame passes the wave crest of the corrugated plate, and the posture of the materials in the conveying box can be adjusted based on the swinging of the conveying box, so that the materials can be heated more fully and uniformly.

Description

Technical Field

[0001] This invention relates to the field of raw material conveying devices, and more particularly to a chemical raw material conveying device. Background Technology

[0002] Chemical raw material transportation is an integral part of chemical production. It requires the orderly transportation of materials to facilitate subsequent processing. In some chemical production processes, different processing conditions are often required, such as the reaction temperature of the materials. Although current raw material transportation devices can meet certain processing needs, they cannot preheat the materials.

[0003] A search revealed Chinese patent application CN201922240128.6, which discloses an automatic chemical raw material conveying device, belonging to the field of chemical technology. The device includes a conveyor belt, a fixed plate, a fixed frame, and a rotating shaft A. A groove is fixedly embedded on the outer side of the conveyor belt, and a groove is fixedly provided on the inner side. The rotating shaft A is fixedly connected to the center of both ends of the inner side of the conveyor belt. This patent provides an automatic chemical raw material conveying device that classifies and transports chemical raw materials through solid material transport boxes and liquid material transport boxes, avoiding cross-contamination caused by centralized transport. An external motor drives the rotating shaft A to rotate, which in turn drives gears to rotate within the grooves, thus rotating the conveying blades. An external program controls the timing of material feeding, material transport, material pouring, and empty box transport, achieving automatic transport of chemical raw materials. The liquid and solid material feeding boxes allow for separate and simultaneous feeding of chemical raw materials. While the above patent meets certain usage requirements, it has the following shortcomings: it cannot preheat the materials, and further improvement is needed. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings of existing technologies, such as the inability to perform auxiliary heating during material conveying, the long heating time required afterward, and the resulting impact on production efficiency. Therefore, this invention proposes a chemical raw material conveying device.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A chemical raw material conveying device includes: a mounting frame on which a feeding mechanism and a conveying mechanism are mounted;

[0007] The conveying mechanism includes:

[0008] A sprocket, which is rotatably mounted on a mounting bracket via a shaft;

[0009] The transmission drive motor is mounted on the outer wall of one side of the mounting bracket via a motor mount, and the output end of the transmission drive motor is connected to the shaft of the sprocket.

[0010] Delivery box, with side rods welded and fixed on both sides of the delivery box;

[0011] Ring seat, the ring seat is welded and fixed to the outer wall of one end of the side rod, and the end of the side rod is located at the center position of the ring seat;

[0012] Fixed rod, one end of the fixed rod is fixed on the conveyor chain, and the other end of the fixed rod is rotatably installed at the center position of the ring seat;

[0013] Spring, one end of the spring is welded to the side wall of the end of the fixed rod, and the other end of the spring is welded to the inner wall of the ring seat;

[0014] Support frame, the bottom end of the support frame is fixed to the outer wall of the top of the mounting frame, a corrugated plate is fixed to one side outer wall of the support frame, a heating rod is fixed to the bottom of the corrugated plate through a bracket, and multiple heating rods are arranged linearly;

[0015] Linkage frame, the top end of the linkage frame is fixed to the outer wall of the bottom of the delivery box, and the position of the linkage frame is adapted to the corrugated plate.

[0016] Preferably: An opening is provided at the bottom of the delivery box, an annular elastic part is adhesively bonded to the outside of the opening, and a bottom plate is adhesively bonded to the bottom of the annular elastic part.

[0017] Further: An adjustment groove is provided on the circumferential outer wall of the ring seat, an adjustment plate is movably installed in the adjustment groove, and a fixing knob for fixing the adjustment plate is connected to the adjustment plate by a thread; A limiting piece is provided on one side outer wall of the adjustment plate;

[0018] Limiting frames are welded to the outer walls on both sides of the fixed rod, and the positions of the limiting frames are adapted to the limiting pieces.

[0019] More preferably: A roller is rotatably installed at the bottom end of the linkage frame.

[0020] As a preferred embodiment of the present invention: A box cover is hinged to the top of the delivery box, an elastic rope is fixed to one end of the box cover, and one end of the elastic rope is fixed to the delivery box.

[0021] As a further preferred embodiment of the present invention: A linkage rod is fixed to the top of the box cover, a side bracket is fixed to one side outer wall of the mounting frame, a blocking rod is fixed to the middle of the side bracket, the blocking rod has a "丿" - shaped structure, the end of the blocking rod is located on the movement path of the linkage rod, and an elastic connecting part capable of deformation is provided in the middle of the blocking rod.

[0022] As a further scheme of the present invention: The feeding mechanism includes:

[0023] Fixed frame, the fixed frame is fixed to the mounting frame;

[0024] A baffle is welded to the outer wall of one side of the fixed frame. The upper and lower sides of the baffle are respectively provided with a feeding port and a discharging port, and a feeding hopper is welded to the feeding port.

[0025] The rotation drive motor is mounted on the outer wall of one side of the mounting bracket via a motor mount;

[0026] The annular conveyor seat is rotatably installed inside the baffle. The annular conveyor seat is provided with multiple circumferentially distributed conveying cavities. Based on the rotation of the annular conveyor seat, the conveying cavities periodically communicate with the feed port and discharge port of the baffle. A rotating frame is welded to one end of the annular conveyor seat, and the rotating frame is connected to the output end of the rotation drive motor.

[0027] The lid opening component is located on one side below the discharge port and is used to open the box lid.

[0028] Based on the aforementioned solution: the lid-opening component includes:

[0029] The crossbar is fixed to the outer wall of one side of the mounting frame.

[0030] The limiting plate is fixed to the outer wall of one side of the cross frame, and its position is located on the movement trajectory of the linkage rod.

[0031] A preferred embodiment based on the aforementioned scheme is as follows: a heating component is bolted to one side of the outer wall of the mounting frame, the heating component extends into the center of the annular conveyor seat, and the annular conveyor seat is rotatably mounted on the outer wall of the heating component.

[0032] A further preferred embodiment based on the aforementioned scheme is that an assembly block is detachably installed inside the conveying cavity via screws.

[0033] The beneficial effects of this invention are as follows:

[0034] 1. This invention, through the setting of a conveying mechanism, enables the conveyor chain to run based on the operation of the conveyor drive motor, thereby driving each conveyor box to convey materials. During this process, heating rods can heat the bottom of the conveyor box, thereby achieving the effect of preheating the materials. Due to the setting of corrugated plates and linkage frames, and the position of the linkage frame being adapted to the corrugated plates, the linkage frame is periodically obstructed by the crests of the corrugated plates during the movement of the conveyor box, resulting in structural deflection. After the linkage frame passes through the crests of the corrugated plates, the spring force of the spring causes the conveyor box to return to its original position. In this way, the swaying of the conveyor box is continuously controlled. Based on the swaying of the conveyor box, the posture of the materials inside can be adjusted, thereby making the materials more fully and evenly heated, improving reliability.

[0035] 2. By setting an annular elastic part and a bottom plate, the present invention can oscillate while the conveyor box shakes, which can better promote the heating of materials. In addition, since the annular elastic part is an elastic structure, when there is too much material in the conveyor box, the pressure on the bottom plate is naturally greater, resulting in a greater deformation of the annular elastic part, which can be closer to the heating rod and thus be more easily heated, achieving the purpose of adaptive adjustment.

[0036] 3. By setting a limiting frame and a limiting plate, the present invention can block the limiting plate when the annular seat rotates, thereby limiting its deflection angle, preventing the conveyor box from tipping over, and improving reliability.

[0037] 4. By setting up structures such as rollers, this invention can reduce the resistance to structural movement when in contact with the corrugated plate, thus ensuring the smooth operation of the device; by setting up structures such as a box cover and elastic rope, the elasticity of the elastic rope can be used to make the box cover close on the conveyor box, so as to prevent the material from spilling out due to shaking, thereby improving reliability.

[0038] 5. By setting up structures such as a linkage rod and a box cover 9, this invention can block the linkage rod when it comes into contact with the linkage rod during the conveying process of the conveying box, since the end of the stop rod is located on the moving path of the linkage rod, thereby opening the box cover to facilitate material unloading; as the conveying box continues to move, the elastic connection part is deformed by force and eventually disengages from the linkage rod, making the entire operation process highly reliable.

[0039] 6. This invention, by setting up a feeding mechanism, can add materials into the feeding hopper. Based on the operation of the rotation drive motor, the annular conveyor seat rotates inside the baffle. During this period, the conveying chamber periodically communicates with the feeding port and the discharge port of the baffle. When the conveying chamber is connected to the feeding port of the baffle, the material can enter the conveying chamber. When the conveying chamber is connected to the discharge port of the baffle, the material can be discharged from the discharge port.

[0040] 7. By setting up structures such as crossbeams and limiting plates, this invention can block the linkage rod with the limiting plate when the conveyor box moves to below the discharge port, thereby causing the box cover to deflect and open. After the conveyor box is loaded with material, as the conveyor chain continues to run, the conveyor box is continued to be conveyed forward, which increases the deflection angle of the box cover. When the deflection angle of the box cover increases to a certain extent, it can disengage from the limiting plate and reset under the rebound force of the elastic rope, thus realizing the function of automatic opening and closing of the cover with high reliability.

[0041] 8. By setting up a heating component, the present invention can preheat the material in the conveying chamber, thereby improving its practicality; by setting up assembly blocks, the volume in the conveying chamber can be easily adjusted based on the number of installations, thereby controlling the amount of material fed at one time, and improving its practicality. Attached Figure Description

[0042] Figure 1 This is a schematic diagram of the structure of a chemical raw material conveying device proposed in this invention;

[0043] Figure 2 This is a schematic diagram of the structure of a chemical raw material conveying device proposed in this invention from another angle;

[0044] Figure 3 This is a schematic diagram of the conveying mechanism of a chemical raw material conveying device proposed in this invention;

[0045] Figure 4 This is a schematic diagram of the structure of a corrugated plate and rollers in a chemical raw material conveying device proposed in this invention;

[0046] Figure 5 This is a schematic diagram of the open state of the box cover of a chemical raw material conveying device proposed in this invention;

[0047] Figure 6 This is a schematic diagram of the structure of an annular seat of a chemical raw material conveying device proposed in this invention;

[0048] Figure 7 This is a schematic diagram of the structure of a stop bar in a chemical raw material conveying device proposed in this invention;

[0049] Figure 8 This is a schematic diagram of the structure of a limiting plate in a chemical raw material conveying device proposed in this invention;

[0050] Figure 9 This is a cross-sectional structural schematic diagram of the baffle and annular conveyor seat of a chemical raw material conveying device proposed in this invention.

[0051] In the diagram: 1. Mounting frame, 2. Conveyor chain, 3. Box cover, 4. Rotary drive motor, 5. Baffle, 6. Feed hopper, 7. Fixing frame, 8. Sprocket, 9. Side support, 10. Conveyor drive motor, 11. Corrugated plate, 12. Conveyor box, 13. Support frame, 14. Spring, 15. Linkage frame, 16. Roller, 17. Heating rod, 18. Base plate, 19. Annular elastic part, 20. Elastic rope, 21. Limiting plate, 22. Limiting frame, 23. Adjusting groove, 24. Adjusting plate, 25. Fixing knob, 26. Annular seat, 27. Fixing rod, 28. Side rod, 29. Baffle, 30. Elastic connection part, 31. Annular conveyor seat, 32. Heating component, 33. Limiting plate, 34. Horizontal frame, 35. Conveying cavity, 36. Assembly block, 37. Linkage rod. Detailed Implementation

[0052] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0053] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0054] Example 1:

[0055] A chemical raw material conveying device, such as Figure 1-9 As shown, it includes: a mounting frame 1, on which a feeding mechanism and a conveying mechanism are mounted;

[0056] The conveying mechanism includes:

[0057] Sprockets 8 are rotatably mounted on mounting bracket 1 via a shaft;

[0058] The transmission drive motor 10 is mounted on the outer wall of one side of the mounting frame 1 via a motor mount. The output end of the transmission drive motor 10 is connected to the shaft of the sprocket 8. The transmission connection can be through gears, synchronous pulleys, couplings, etc., and is not limited in this embodiment.

[0059] Conveyor box 12, with side rods 28 welded and fixed on both sides of conveyor box 12;

[0060] The annular seat 26 is welded and fixed to the outer wall of one end of the side rod 28, and the end of the side rod 28 is located at the center of the annular seat 26.

[0061] Fixed rod 27, one end of fixed rod 27 is fixed to conveyor chain 2, and the other end of fixed rod 27 is rotatably installed at the center of ring seat 26;

[0062] A clock spring 14 is provided, with one end of the clock spring 14 welded to the end side wall of the fixed rod 27 and the other end of the clock spring 14 welded to the inner side wall of the annular seat 26.

[0063] The support frame 13 is fixed to the top outer wall of the mounting frame 1 by bolts at its bottom end. A corrugated plate 11 is fixed to one side outer wall of the support frame 13 by bolts. A heating rod 17 is fixed to the bottom of the corrugated plate 11 by a bracket. Multiple heating rods 17 are arranged in a linear distribution.

[0064] Linkage frame 15, the top of linkage frame 15 is fixed to the bottom outer wall of conveyor box 12 by bolts, and the position of linkage frame 15 is adapted to corrugated plate 11;

[0065] By setting up a conveying mechanism, the conveyor chain 2 can be driven by the operation of the conveyor drive motor 10, which in turn drives each conveyor box 12 to convey materials. During this process, the heating rod 17 can heat the bottom of the conveyor box 12, thereby preheating the materials. Since the corrugated plate 11 and the linkage frame 15 are set up, and the position of the linkage frame 15 is adapted to the corrugated plate 11, the linkage frame 15 is periodically blocked by the crests of the corrugated plate 11 during the movement of the conveyor box 12, which causes the structure to deflect. After the linkage frame 15 passes the crests of the corrugated plate 11, the spring force of the clock spring 14 drives the conveyor box 12 to reset. In this way, the swaying of the conveyor box 12 is continuously controlled. Based on the swaying of the conveyor box 12, the posture of the material inside can be adjusted, so that the material is heated more fully and evenly, improving reliability.

[0066] To better promote material movement; such as Figure 5 As shown, the bottom of the conveying box 12 is provided with an opening, and an annular elastic part 19 is glued to the outside of the opening. A bottom plate 18 is glued to the bottom of the annular elastic part 19.

[0067] By setting the annular elastic part 19 and the bottom plate 18, the conveyor box 12 can oscillate while shaking, which can better promote the heating of the material. In addition, since the annular elastic part 19 is an elastic structure, when there is too much material in the conveyor box 12, the pressure on the bottom plate 18 will naturally be greater, resulting in a greater deformation of the annular elastic part 19, which can get closer to the heating rod 17 and thus be more easily heated, achieving the purpose of adaptive adjustment.

[0068] In order to limit the deflection angle of the conveyor box 12; such as Figure 6 As shown, an adjustment groove 23 is provided on the outer circumference of the annular seat 26, and an adjustment plate 24 is movably installed in the adjustment groove 23. A fixing knob 25 for fixing the adjustment plate 24 is connected to the adjustment plate 24 by a thread; a limit piece 21 is integrally provided on one side of the outer wall of the adjustment plate 24.

[0069] Limiting frames 22 are welded to the outer walls on both sides of the fixing rod 27, and the position of the limiting frames 22 is adapted to the limiting piece 21;

[0070] By setting the limit frame 22 and the limit piece 21, the limit piece 21 can be blocked when the annular seat 26 rotates, thereby limiting its deflection angle, preventing the conveyor box 12 from tipping over, and improving reliability.

[0071] To improve the smoothness of operation; such as Figure 4 As shown, a roller 16 is rotatably mounted on the bottom end of the linkage frame 15;

[0072] By setting up structures such as rollers 16, the resistance to structural movement can be reduced when in contact with the corrugated plate 11, ensuring the smooth operation of the device.

[0073] To prevent the material from spilling due to shaking; as Figure 5 , Figure 7 shown, a lid 3 is hinged to the top of the conveying box 12, and one end of the lid 3 is fixed with an elastic cord 20 by screws, and one end of the elastic cord 20 is fixed to the conveying box 12 by screws;

[0074] By providing structures such as the lid 3 and the elastic cord 20, the elastic force of the elastic cord 20 can be utilized to urge the lid 3 to close on the conveying box 12, so as to prevent the material from spilling due to shaking and improve the reliability.

[0075] To facilitate the feeding of materials; as Figure 7 shown, a linkage rod 37 is fixed to the top of the lid 3 by bolts, and a side bracket 9 is fixed to the outer wall of one side of the mounting frame 1 by bolts. A stop rod 29 is fixed to the middle of the side bracket 9. The stop rod 29 is in a '丿'-shaped structure, and the end of the stop rod 29 is located on the moving path of the linkage rod 37. An elastic connecting part 30 capable of deforming is provided in the middle of the stop rod 29;

[0076] By providing structures such as the linkage rod 37 and the lid 39, during the process of conveying the conveying box 12, since the end of the stop rod 29 is located on the moving path of the linkage rod 37, when the linkage rod 37 contacts the stop rod 29, the linkage rod 37 can be blocked, so as to open the lid 3 to facilitate the feeding of materials; as the conveying box 12 continues to move, the elastic connecting part 30 is deformed by force and finally disengages from the linkage rod 37, and the entire operation process has strong reliability.

[0077] Embodiment 2:

[0078] A chemical raw material conveying device, as Figure 1-9 shown, to facilitate quantitative feeding; the following improvements are made to this embodiment on the basis of Embodiment 1: The feeding mechanism includes:

[0079] A fixing frame 7, which is fixed to the mounting frame 1 by bolts;

[0080] A baffle 5, which is welded to the outer wall of one side of the fixing frame 7. A feeding port and a discharging port are respectively provided on the upper and lower sides of the baffle 5, and a feeding hopper 6 is welded at the feeding port;

[0081] A rotating drive motor 4, which is installed on the outer wall of one side of the mounting frame 1 through a motor base;

[0082] An annular conveyor seat 31 is rotatably mounted inside the baffle 5. The annular conveyor seat 31 has multiple circumferentially distributed conveying chambers 35. Based on the rotation of the annular conveyor seat 31, the conveying chambers 35 periodically communicate with the feed port and discharge port of the baffle 5. A rotating frame is welded to one end of the annular conveyor seat 31, and the rotating frame is connected to the output end of the rotation drive motor 4. This transmission connection can be through gears, synchronous pulleys, couplings, etc., and is not limited in this embodiment.

[0083] The lid opening component is located on one side below the discharge port and is used to open the lid 3;

[0084] By setting up a feeding mechanism, materials can be added into the feeding hopper 6. Based on the operation of the rotation drive motor 4, the annular conveyor seat 31 is driven to rotate inside the baffle 5. During this period, the conveying chamber 35 is periodically connected to the feeding port and the discharge port of the baffle 5. When the conveying chamber 35 is connected to the feeding port of the baffle 5, the material can enter the conveying chamber 35. When the conveying chamber 35 is connected to the discharge port of the baffle 5, the material can be discharged from the discharge port.

[0085] For ease of loading; such as Figure 8 As shown, the cover opening assembly includes:

[0086] The cross frame 34 is fixed to the outer wall of one side of the mounting frame 1 by bolts.

[0087] The limiting plate 33 is fixed to the outer wall of one side of the cross frame 34 by bolts, and the position of the limiting plate 33 is located on the movement trajectory of the linkage rod 37.

[0088] By setting up structures such as the crossbeam 34 and the limiting plate 33, when the conveying box 12 moves to below the discharge port, the limiting plate 33 can block the linkage rod 37, thereby causing the box cover 3 to deflect and open. After the conveying box 12 is loaded with material, as the conveyor chain 2 continues to run, the conveying box 12 is continued to be conveyed forward, which increases the deflection angle of the box cover 3. When the deflection angle of the box cover 3 increases to a certain extent, it can disengage from the limiting plate 33 and reset under the rebound force of the elastic rope 20, thus realizing the function of automatic opening and closing of the cover with high reliability.

[0089] To facilitate further heating; such as Figure 1 , Figure 8 As shown, a heating component 32 is bolted to one side of the outer wall of the mounting bracket 1. The heating component 32 extends into the center of the annular conveyor seat 31, and the annular conveyor seat 31 is rotatably mounted on the outer wall of the heating component 32.

[0090] By setting up the heating component 32, the material in the conveying chamber 35 can be preheated, which improves its practicality.

[0091] To facilitate adjustment of the feeding amount; such as Figure 9 As shown, an assembly block 36 is detachably installed in the conveying cavity 35 by screws;

[0092] By setting up assembly block 36, the volume inside the conveying cavity 35 can be easily adjusted based on the number of installations, thereby controlling the amount of material fed at one time and improving practicality.

[0093] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A chemical raw material conveying device, comprising: Mounting frame (1), characterized in that a feeding mechanism and a conveying mechanism are mounted on the mounting frame (1); The conveying mechanism includes: A sprocket wheel (8), which is rotatably mounted on the mounting frame (1) through a shaft; A conveying drive motor (10), which is mounted on the outer wall of one side of the mounting frame (1) through a motor base, and the output end of the conveying drive motor (10) is in transmission connection with the shaft of the sprocket wheel (8); A conveying box (12), and side rods (28) are welded and fixed on both sides of the conveying box (12); An annular seat (26), which is welded and fixed on the outer wall of one end of the side rod (28), and the end of the side rod (28) is located at the center position of the annular seat (26); A fixing rod (27), one end of the fixing rod (27) is fixed on the conveyor chain (2), and the other end of the fixing rod (27) is rotatably mounted at the center position of the annular seat (26); A clockwork spring (14), one end of the clockwork spring (14) is welded to the side wall of the end of the fixing rod (27), and the other end of the clockwork spring (14) is welded to the inner wall of the annular seat (26); A support frame (13), the bottom end of the support frame (13) is fixed on the outer wall of the top of the mounting frame (1), a corrugated plate (11) is fixed on the outer wall of one side of the support frame (1), a heating rod (17) is fixed at the bottom of the corrugated plate (11) through a bracket, and multiple heating rods (17) are arranged linearly; A linkage frame (15), the top end of the linkage frame (15) is fixed on the outer wall of the bottom of the conveying box (12), and the position of the linkage frame (15) is adapted to that of the corrugated plate (11).

2. The chemical raw material conveying device according to claim 1, characterized in that, An opening is provided at the bottom of the conveying box (12), an annular elastic part (19) is adhesively bonded to the outside of the opening, and a bottom plate (18) is adhesively bonded to the bottom of the annular elastic part (19).

3. A chemical raw material conveying device according to claim 2, characterized in that, An adjustment groove (23) is formed on the circumferential outer wall of the annular seat (26), an adjustment plate (24) is movably mounted in the adjustment groove (23), and a fixing knob (25) for fixing the adjustment plate (24) is connected to the adjustment plate (24) by a thread; a limiting piece (21) is arranged on the outer wall of one side of the adjustment plate (24); Limiting frames (22) are welded on the outer walls on both sides of the fixing rod (27), and the position of the limiting frames (22) is adapted to that of the limiting piece (21).

4. A chemical raw material conveying device according to claim 1, characterized in that, A roller (16) is rotatably mounted at the bottom end of the linkage frame (15).

5. A chemical raw material conveying device according to claim 3, characterized in that, A box cover (3) is hinged on the top of the conveying box (12), an elastic cord (20) is fixed at one end of the box cover (3), and one end of the elastic cord (20) is fixed on the conveying box (12).

6. A chemical raw material conveying device according to claim 5, characterized in that, A linkage rod (37) is fixed on the top of the box cover (3), a side support (9) is fixed on the outer wall of one side of the mounting frame (1), a stop rod (29) is fixed in the middle of the side support (9), the stop rod (29) has a "丿" - shaped structure, the end of the stop rod (29) is located on the moving path of the linkage rod (37), and an elastic connecting part (30) capable of deforming is arranged in the middle of the stop rod (29).

7. A chemical raw material conveying device according to claim 6, characterized in that, The feeding mechanism includes: A fixing frame (7), which is fixed on the mounting frame (1); A baffle (5) is welded to the outer wall of one side of the fixed frame (7). The upper and lower sides of the baffle (5) are respectively provided with a feeding port and a discharging port. A feeding hopper (6) is welded at the feeding port. Rotation drive motor (4) is mounted on one side of the outer wall of the mounting bracket (1) via a motor mount; The annular conveyor seat (31) is rotatably installed inside the baffle (5). The annular conveyor seat (31) is provided with multiple circumferentially distributed conveying chambers (35). Based on the rotation of the annular conveyor seat (31), the conveying chambers (35) periodically communicate with the feeding port and the discharging port of the baffle (5). A rotating frame is welded to one end of the annular conveyor seat (31), and the rotating frame is connected to the output end of the rotation drive motor (4). The lid opening component is located on one side below the discharge port and is used to open the box lid (3).

8. A chemical raw material conveying device according to claim 7, characterized in that, The lid-opening assembly includes: A crossbeam (34) is fixed to the outer wall of one side of the mounting bracket (1); The limiting plate (33) is fixed to the outer wall of one side of the cross frame (34), and the position of the limiting plate (33) is located on the movement trajectory of the linkage rod (37).

9. A chemical raw material conveying device according to claim 7, characterized in that, A heating component (32) is bolted to one side of the outer wall of the mounting bracket (1). The heating component (32) extends into the center of the annular conveyor seat (31), which is rotatably mounted on the outer wall of the heating component (32).

10. A chemical raw material conveying device according to claim 7, characterized in that, An assembly block (36) is detachably installed in the conveying cavity (35) by screws.

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