Feeding device with screening structure for chemical raw material production

Abstract

The utility model relates to the technical field of chemical raw material production, and provides a chemical raw material production feeding device with a screening structure, the chemical raw material production feeding device comprises a box body and the screening structure, one side of the top end of the box body is fixedly provided with a feeding hopper, and the edge positions of the bottom end of the box body are fixedly provided with supporting legs. By arranging the screening structure, raw materials are fed into the inner cavity through the feeding hopper and then fall on a screening net, so that the raw materials are screened by the screening net, and meanwhile, a first motor is started through an external power supply to drive a first rotating shaft to rotate to drive a rotating wheel to rotate; furthermore, a rotating wheel rotates in a moving frame, so that the moving frame drives a moving rod to continuously slide in a sliding groove, the moving rod pushes a supporting plate to slide in a limiting groove, the moving plate slides in a second support, a spring is elastically deformed, and a screening net continuously reciprocates; and therefore, the screening of the raw materials by the screening net is accelerated, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of chemical raw material production, especially to a chemical raw material production feeding device with screening structure. BACKGROUND

[0002] Chemical raw material production is a process involving the conversion of natural resources or basic chemicals into various chemical products through a series of chemical reactions and processes, and a chemical raw material production feeding device with screening structure is a device specially used in the chemical raw material production process to screen and feed raw materials.

[0003] Therefore, the patent with publication number CN221472112U discloses a chemical production feeding device, which includes a feeding bin, a discharge mechanism is arranged at the bottom of the feeding bin, and the discharge mechanism includes a first discharge port. By starting the first motor, the first motor drives the blocking column and the material taking groove to rotate through the rotating shaft. During rotation, when the material taking groove opening is upward, the internal part of the chemical raw material in the feeding bin is taken out, and when the material taking groove opening is downward, the chemical raw material in the material taking groove is discharged into the internal part of the chemical raw material grinding equipment through the second discharge port. Thus, during the continuous rotation of the blocking column and the material taking groove, the chemical raw material in the internal part of the feeding bin can be intermittently discharged into the internal part of the chemical raw material grinding equipment, avoiding the large amount of chemical raw material being discharged into the internal part of the chemical raw material grinding equipment at one time, causing the accumulation of chemical raw material in the internal part of the chemical raw material grinding equipment, and being beneficial to the grinding of the chemical raw material by the chemical raw material grinding equipment.

[0004] The chemical production feeding device in the above-mentioned process uses a raw material grinding equipment to grind the chemical raw material, which is beneficial to the feeding of the chemical raw material. However, the chemical raw material also contains impurities, which cannot be directly fed and need to be screened to improve the production quality. UTILITY MODEL CONTENTS

[0005] The utility model aims to provide a chemical raw material production feeding device with screening structure to solve the defect that the existing chemical raw material production feeding device is not convenient to screen.

[0006] In order to solve the above technical problems, the utility model provides the following technical scheme: a chemical raw material production feeding device with screening structure, which includes a box body and a screening structure.

[0007] One side of the top end of the box body is fixed with a feeding hopper, the edge positions of the bottom end of the box body are all fixed with supporting legs, the inside of the box body is provided with an internal cavity, and the bottom end of the box body is fixed with a discharge pipe.

[0008] One side of the box is fixed with a screening structure, the screening structure includes a support plate, a screening net, a first support, a limiting groove, a fixed plate, a second support, a moving plate, a spring, a first fixed box, a first rotating shaft, a first motor, a rotating wheel, a moving frame, a moving rod and a sliding groove, the support plate is installed in the inner cavity, one side of the support plate is fixed with the screening net, one side of the inner cavity is fixed with the first support, the outer side of the first support is provided with the limiting groove, one side of the top of the first support is fixed with the fixed plate, the other side of the inner cavity is fixed with the second support, the inner part of the second support is provided with the moving plate, one side of the moving plate is fixed with the spring in the inner part of the second support, one side of the box is fixed with the first fixed box, the first rotating shaft is installed in the first fixed box, one end of the first rotating shaft is fixed with the first motor, the outer side of the first motor is fixed with the rotating wheel, the outer side of the rotating wheel is installed with the moving frame, both sides of the moving frame are fixed with the moving rod, both sides of the moving rod outside the first fixed box are provided with the sliding groove.

[0009] The top of the inner cavity is installed with a cleaning structure, the bottom of the inner cavity is installed with a discharging structure, one side of the box is installed with a sealing door.

[0010] Preferably, the support plate and the first support are connected through the limiting groove, the moving plate and the second support are connected through the spring, one side of the moving plate is fixedly connected with one side of the screening net, and the springs are distributed at equal intervals on one side of the moving plate in the second support.

[0011] Preferably, the two ends of the spring are fixedly connected with one side of the moving plate in the second support respectively, the two sides of the rotating wheel are in abutment with the two sides of the moving frame respectively, the moving rod and the first fixed box are connected through the sliding groove, one end of the moving rod extends to the inside of the limiting groove through one side of the box, and one end of the moving rod is in abutment with one side of the support plate.

[0012] Preferably, the cleaning structure includes a second motor, a rotating rod, a limiting block, a reciprocating thread, a moving block, a guide rod, a sweeping plate, a brush, a discharge pipe, a baffle, a sliding rail, a sliding block and a handle, the second motor is fixed on one side of the top of the box, the output end of the second motor is fixed with the rotating rod, the outer side of the rotating rod in the inner cavity is fixed with the limiting block, the outer side of the limiting block at one end of the rotating rod is provided with the reciprocating thread, the outer side of the reciprocating thread is installed with the moving block, the inner part of the moving block is installed with the guide rod, the bottom end of the moving block is fixed with the sweeping plate, the bottom end of the sweeping plate is fixed with the brush, the other side of the top of the box is fixed with the discharge pipe, the inner part of one end of the discharge pipe is provided with the baffle, the inner part of the sliding rail is provided with the sliding block, and one end of the sliding block is fixed with the handle.

[0013] Preferably, the other end of the rotating rod extends through one side of the box to the inside of the built-in cavity and is rotationally connected with one side of the inside of the box, and the moving block is threadedly connected with the rotating rod through the limiting block.

[0014] Preferably, the two ends of the guide rod are fixedly connected with the two sides of the inside of the built-in cavity respectively, the guide rod is symmetrically distributed in the inside of the moving block, the bottom end of the brush abuts against the top end of the screening net, and the sliding block is slidingly connected with the box through the sliding rail.

[0015] Preferably, the discharging structure comprises a second fixed box, a second rotating shaft, a first bevel gear, a second bevel gear, a third rotating shaft, a stirring rod, a driven wheel, a driving wheel and a transmission belt, the second fixed box is fixed to the bottom end of the first fixed box, the inside of the second fixed box is provided with the second rotating shaft, one end of the second rotating shaft is fixedly provided with the first bevel gear, one side of the first bevel gear is provided with the second bevel gear, one end of the second bevel gear is fixedly provided with the third rotating shaft, the outside of the third rotating shaft in the inside of the built-in cavity is fixedly provided with the stirring rod, the other end of the second rotating shaft is fixedly provided with the driven wheel, one end of the first rotating shaft is fixedly provided with the driving wheel, and the outside of the driven wheel and the driving wheel is provided with the transmission belt.

[0016] Preferably, the first bevel gear is meshingly connected with the second bevel gear, one end of the third rotating shaft extends through one side of the box to the inside of the built-in cavity and is rotationally connected with the inside of the box, the stirring rod is equidistantly distributed on the outside of the third rotating shaft in the inside of the built-in cavity, one end of the second rotating shaft extends through one side of the inside of the second fixed box to the outside of the second fixed box and is fixedly connected with one end of the driven wheel, and one end of the first rotating shaft extends through one side of the first fixed box to the outside of the first fixed box and is fixedly connected with one end of the driving wheel.

[0017] The feeding device for chemical raw material production has the advantages that:

[0018] The raw material is thrown into the inside of the built-in cavity through the feeding hopper and then falls on the screening net, so that the screening net screens the raw material, the first motor is started through the external power supply to drive the first rotating shaft to rotate and drive the rotating wheel to rotate, the rotating wheel rotates in the inside of the moving frame to drive the moving frame to continuously slide in the inside of the sliding groove, the moving rod slides in the inside of the limiting groove to drive the moving plate to slide in the inside of the second support to make the spring elastically deform, so that the screening net reciprocally moves, the screening of the screening net on the raw material is accelerated, and the working efficiency is improved.

[0019] Through the setting of the cleaning structure, the rotating rod is driven to rotate by starting the second motor, the moving block is moved reciprocatingly outside the rotating rod through the guide rod under the action of the reciprocating thread, the sweeping plate is driven to move, the brush cleans the surface of the rotating rod, the mesh holes on the rotating rod are prevented from being blocked by the raw materials, the screening effect is affected, the slide block is driven to slide in the slide rail by pulling the handle, the baffle is driven to move upward, the raw materials under the screening are pushed out from the inside of the discharge pipe under the movement of the sweeping plate, and the raw materials under the screening are conveniently collected.

[0020] Through the setting of the discharging structure, the driving wheel is driven to rotate by the rotation of the first rotating shaft, the driven wheel is driven to rotate under the action of the transmission belt, the second rotating shaft is driven to rotate, the first bevel gear is driven to rotate by the second rotating shaft, the third rotating shaft is driven to rotate by the rotation of the second bevel gear, the stirring rod is driven to rotate, the raw materials under the screening are stirred, the valve is opened, the raw materials can be discharged quickly from the inside of the discharge pipe, and the feeding efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0022] Figure 2 It is a front view sectional structure schematic view of the utility model;

[0023] Figure 3 It is a Figure 2 It is an enlarged structure schematic view of the middle A;

[0024] Figure 4 It is a first fixed box and second fixed box side view sectional structure schematic view of the utility model;

[0025] Figure 5 It is a side view sectional structure schematic view of the utility model.

[0026] The reference signs in the drawings are explained: 1, box; 2, feeding hopper; 3, support leg; 4, built-in cavity; 5, discharge pipe; 6, screening structure; 601, support plate; 602, screening net; 603, first support; 604, limiting groove; 605, fixed plate; 606, second support; 607, moving plate; 608, spring; 609, first fixed box; 610, first rotating shaft; 611, first motor; 612, rotating wheel; 613, moving frame; 614, moving rod; 615, sliding groove; 7, cleaning structure; 701, second motor; 702, rotating rod; 703, limiting block; 704, reciprocating thread; 705, moving block; 706, guide rod; 707, sweeping plate; 708, brush; 709, discharge pipe; 710, baffle; 711, sliding rail; 712, sliding block; 713, handle; 8, discharge structure; 801, second fixed box; 802, second rotating shaft; 803, first bevel gear; 804, second bevel gear; 805, third rotating shaft; 806, stirring rod; 807, driven wheel; 808, driving wheel; 809, transmission belt; 9, sealing box door. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-5 The utility model provides a kind of loading device with screening structure for chemical raw material production, including box 1 and screening structure 6.

[0029] Refer to Figures 2-5As shown, the top end of the box 1 is fixed with a feeding hopper 2, the edge position of the bottom end of the box 1 is fixed with a support leg 3, the inside of the box 1 is provided with an inner cavity 4, the bottom end of the box 1 is fixed with a discharge pipe 5, one side of the box 1 is fixed with a screening structure 6, the screening structure 6 includes a support plate 601, a screening net 602, a first support 603, a limiting groove 604, a fixed plate 605, a second support 606, a moving plate 607, a spring 608, a first fixed box 609, a first rotating shaft 610, a first motor 611, a rotating wheel 612, a moving frame 613, a moving rod 614 and a sliding groove 615, the support plate 601 is installed inside the inner cavity 4, one side of the support plate 601 is fixed with the screening net 602, one side inside the inner cavity 4 is fixed with the first support 603, the outer side of the support plate 601 inside the first support 603 is provided with the limiting groove 604, one side of the top end of the first support 603 is fixed with the fixed plate 605, the other side inside the inner cavity 4 is fixed with the second support 606, the inside of the second support 606 is provided with the moving plate 607, one side inside the second support 606 of the moving plate 607 is fixed with the spring 608, one side of the box 1 is fixed with the first fixed box 609, the inside of the first fixed box 609 is installed with the first rotating shaft 610, one end of the first rotating shaft 610 is fixed with the first motor 611, the outer side of the first motor 611 is fixed with the rotating wheel 612, the outer side of the rotating wheel 612 is installed with the moving frame 613, both sides of the moving frame 613 are fixed with the moving rod 614, both sides outside the first fixed box 609 of the moving rod 614 are provided with the sliding groove 615, the support plate 601 and the first support 603 are slidably connected through the limiting groove 604, the moving plate 607 and the second support 606 constitute an extension structure through the spring 608, one side of the moving plate 607 is fixedly connected with one side of the screening net 602, the springs 608 are distributed at equal intervals on one side of the moving plate 607 inside the second support 606, both ends of the spring 608 are fixedly connected with one side inside the second support 606 on one side of the moving plate 607, both sides of the rotating wheel 612 respectively abut against both sides inside the moving frame 613, the moving rod 614 and the first fixed box 609 constitute a sliding connection through the sliding groove 615, one end of the moving rod 614 extends to the inside of the limiting groove 604 through one side of the box 1, and one end of the moving rod 614 abuts against one side of the support plate 601.

[0030] Raw materials are fed into the built-in cavity 4 through the feed hopper 2 and fall onto the screening screen 602, whereby the screening screen 602 screens the raw materials. At the same time, the first motor 611, powered by an external power source, drives the first rotating shaft 610 to rotate, which in turn drives the rotating wheel 612 to rotate. The rotating wheel 612 rotates inside the moving frame 613, causing the moving frame 613 to drive the moving rod 614 to slide continuously inside the sliding groove 615. This causes the moving rod 614 to push the support plate 601 to slide inside the limiting groove 604, and the moving plate 607 to slide inside the second support 606, causing the spring 608 to undergo elastic deformation. This causes the screening screen 602 to move back and forth continuously, thereby accelerating the screening of raw materials and improving work efficiency.

[0031] Reference Figure 2 , Figure 3 and Figure 5 As shown, a cleaning structure 7 is installed at the top of the internal cavity 4. The cleaning structure 7 includes a second motor 701, a rotating rod 702, a limiting block 703, a reciprocating thread 704, a moving block 705, a guide rod 706, a sweeping plate 707, a brush 708, a discharge pipe 709, a baffle 710, a slide rail 711, a slider 712, and a handle 713. The second motor 701 is fixed to one side of the top of the housing 1. The output end of the second motor 701 is fixed to the rotating rod 702. The limiting block 703 is fixed to the outside of the rotating rod 702 inside the internal cavity 4. A reciprocating thread 704 is provided on the outside of the rotating rod 702 at one end of the limiting block 703. A moving block 705 is installed on the outside of the reciprocating thread 704. A guide rod 706 is installed inside the moving block 705. A sweeping plate 707 is fixed to the bottom end of the moving block 705. A brush 708 is fixed to the bottom of the box 1. A discharge pipe 709 is fixed to the other side of the top of the box 1. A baffle 710 is provided inside one end of the discharge pipe 709. A slide rail 711 is provided inside the box 1. A slider 712 is fixed to the top of the discharge pipe 709 inside the slide rail 711. A handle 713 is fixed to one end of the slider 712. The other end of the rotating rod 702 extends through one side of the box 1 into the interior cavity 4 and forms a rotatable connection with one side of the interior of the box 1. The moving block 705 and the rotating rod 702 are threadedly connected through the limiting block 703. The two ends of the guide rod 706 are fixedly connected to the two sides inside the interior cavity 4 respectively. The guide rod 706 is symmetrically distributed inside the moving block 705. The bottom of the brush 708 abuts against the top of the screening screen 602. The slider 712 and the box 1 are slidably connected through the slide rail 711.

[0032] By starting the second motor 701 drives the rotating rod 702 rotation, so that the moving block 705 in the reciprocating screw 704 under the action of the guide rod 706 in the rotating rod 702 outside reciprocating, in turn, drive the sweep material plate 707 so that the brush 708 on the surface of the rotating rod 702 cleaning, in turn, to avoid the raw materials will be the mesh on the rotating rod 702 blocked so as to affect the screening effect, at the same time by pulling the handle 713 so that the sliding block 712 in the slide rail 711 inside the sliding drive baffle 710 upward movement, so that under the movement of the sweep material plate 707 will be screened from the inside of the discharge pipe 709 to the outside of the raw material, so as to facilitate the collection of the raw material under the screening.

[0033] Referring to Figure 1 、 Figure 2 、 Figure 4 and Figure 5 It is shown that the bottom end of the built-in cavity 4 is provided with a discharging structure 8, the discharging structure 8 comprises a second fixed box 801, a second rotating shaft 802, a first bevel gear 803, a second bevel gear 804, a third rotating shaft 805, a stirring rod 806, a driven wheel 807, a driving wheel 808 and a transmission belt 809, the second fixed box 801 is fixed to the bottom end of the first fixed box 609, the second rotating shaft 802 is arranged in the second fixed box 801, one end of the second rotating shaft 802 is fixed with the first bevel gear 803, one side of the first bevel gear 803 is provided with the second bevel gear 804, one end of the second bevel gear 804 is fixed with the third rotating shaft 805, the stirring rod 806 is fixed to the outer side of the third rotating shaft 805 in the built-in cavity 4, the other end of the second rotating shaft 802 is fixed with the driven wheel 807, one end of the first rotating shaft 610 is fixed with the driving wheel 808, the transmission belt 809 is arranged on the outer sides of the driven wheel 807 and the driving wheel 808, the first bevel gear 803 is connected with the second bevel gear 804 in meshing, one end of the third rotating shaft 805 extends through one side of the box body 1 to the inside of the built-in cavity 4 and forms a rotating connection with the inside of the box body 1, the stirring rod 806 is distributed at equal intervals on the outer side of the third rotating shaft 805 in the built-in cavity 4, one end of the second rotating shaft 802 extends through one side of the inside of the second fixed box 801 to the outside of the second fixed box 801 and is fixedly connected with one end of the driven wheel 807, one end of the first rotating shaft 610 extends through one side of the first fixed box 609 to the outside of the first fixed box 609 and is fixedly connected with one end of the driving wheel 808, one side of the box body 1 is provided with a sealing box door 9.

[0034] The rotation of the first rotating shaft 610 drives the driving wheel 808 to rotate, and the driven wheel 807 is driven to rotate the second rotating shaft 802 under the action of the transmission belt 809, so that the second rotating shaft 802 drives the second bevel gear 804 to rotate through the first bevel gear 803, the third rotating shaft 805 is driven to rotate through the rotation of the second bevel gear 804, so that the stirring rod 806 rotates to stir the raw materials screened out, and the raw materials can be quickly discharged from the inside of the discharge pipe 5 to the outside by opening the valve, thereby improving the efficiency of feeding.

[0035] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A chemical raw material production feeding device with screening structure, comprising a box (1) and a screening structure (6); Characterized in that: One side of the top end of the box (1) is fixed with a feeding hopper (2), the edges of the bottom end of the box (1) are fixed with supporting legs (3), and the inside of the box (1) is provided with an inner cavity (4), and the bottom end of the box (1) is fixed with a discharge pipe (5); One side of the box (1) is fixed with a screening structure (6), the screening structure (6) comprises a supporting plate (601), a screening net (602), a first support (603), a limiting groove (604), a fixed plate (605), a second support (606), a moving plate (607), a spring (608), a first fixed box (609), a first rotating shaft (610), a first motor (611), a rotating wheel (612), a moving frame (613), a moving rod (614) and a sliding groove (615), the supporting plate (601) is installed in the inside of the inner cavity (4), one side of the supporting plate (601) is fixed with the screening net (602), one side of the inner cavity (4) is fixed with the first support (603), the outer side of the supporting plate (601) in the first support (603) is provided with the limiting groove (604), one side of the top end of the first support (603) is fixed with the fixed plate (605), the other side of the inner cavity (4) is fixed with the second support (606), the inside of the second support (606) is provided with the moving plate (607), one side of the moving plate (607) is fixed with the spring (608) in the inside of the second support (606), one side of the box (1) is fixed with the first fixed box (609), the inside of the first fixed box (609) is installed with the first rotating shaft (610), one end of the first rotating shaft (610) is fixed with the first motor (611), the outer side of the first motor (611) is fixed with the rotating wheel (612), the outer side of the rotating wheel (612) is installed with the moving frame (613), both sides of the moving frame (613) are fixed with the moving rod (614), and both sides of the moving rod (614) outside the first fixed box (609) are provided with the sliding groove (615); The top end of the inside of the inner cavity (4) is installed with a cleaning structure (7), the bottom end of the inside of the inner cavity (4) is installed with a discharging structure (8), and one side of the box (1) is installed with a sealing box door (9).

2. The feeding device for chemical raw material production with screening structure according to claim 1, characterized in that: The supporting plate (601) and the first support (603) are slidably connected through the limiting groove (604), the moving plate (607) and the second support (606) constitute a telescopic structure through the spring (608), one side of the moving plate (607) is fixedly connected with one side of the screening net (602), and the springs (608) are distributed at equal intervals on one side of the moving plate (607) in the second support (606).

3. The feeding device for chemical raw material production with screening structure according to claim 1, characterized in that: Two ends of the spring (608) are fixedly connected with one side of the second support (606) inside the one side of the moving plate (607) respectively, two sides of the rotating wheel (612) are in abutment with the two sides inside the moving frame (613) respectively, the moving rod (614) and the first fixed box (609) are slidably connected through the sliding groove (615), one end of the moving rod (614) extends to the inside of the limiting groove (604) through one side of the box body (1), and one end of the moving rod (614) is in abutment with one side of the support plate (601).

4. The feeding device for chemical raw material production with screening structure according to claim 1, characterized in that: The cleaning structure (7) comprises a second motor (701), a rotating rod (702), a limiting block (703), a reciprocating thread (704), a moving block (705), a guide rod (706), a sweeping plate (707), a brush (708), a discharge pipe (709), a baffle (710), a sliding rail (711), a sliding block (712) and a handle (713). The second motor (701) is fixed to one side of the top of the box body (1). The output end of the second motor (701) is fixedly connected with the rotating rod (702). The outer side of the rotating rod (702) in the built-in cavity (4) is fixedly connected with the limiting block (703). The outer side of the rotating rod (702) at one end of the limiting block (703) is provided with the reciprocating thread (704). The reciprocating thread (704) is provided with the moving block (705). The moving block (705) is provided with the guide rod (706) in the inside. The bottom end of the moving block (705) is fixedly connected with the sweeping plate (707). The bottom end of the sweeping plate (707) is fixedly connected with the brush (708). The other side of the top of the box body (1) is fixedly connected with the discharge pipe (709). The inside of one end of the discharge pipe (709) is provided with the baffle (710). The inside of the box body (1) is provided with the sliding rail (711). The top end of the discharge pipe (709) in the sliding rail (711) is fixedly connected with the sliding block (712). One end of the sliding block (712) is fixedly connected with the handle (713).

5. The feeding device for chemical raw material production with screening structure according to claim 4, characterized in that: The other end of the rotating rod (702) extends to the inside of the built-in cavity (4) through one side of the box body (1) and is rotatably connected with one side of the inside of the box body (1). The moving block (705) and the rotating rod (702) are threadedly connected through the limiting block (703).

6. The feeding device for chemical raw material production with screening structure according to claim 4, characterized in that: The two ends of the guide rod (706) are fixedly connected with the two sides of the inside of the built-in cavity (4) respectively. The guide rod (706) is symmetrically distributed in the inside of the moving block (705). The bottom end of the brush (708) is in abutment with the top end of the screening net (602). The sliding block (712) and the box body (1) are slidably connected through the sliding rail (711).

7. The feeding device for chemical raw material production with screening structure according to claim 1, characterized in that: The discharge structure (8) comprises a second fixed box (801), a second rotating shaft (802), a first bevel gear (803), a second bevel gear (804), a third rotating shaft (805), a stirring rod (806), a driven wheel (807), a driving wheel (808) and a transmission belt (809), the second fixed box (801) is fixed to the bottom end of the first fixed box (609), the second rotating shaft (802) is installed in the second fixed box (801), one end of the second rotating shaft (802) is fixedly connected with the first bevel gear (803), one side of the first bevel gear (803) is fixedly connected with the second bevel gear (804), one end of the second bevel gear (804) is fixedly connected with the third rotating shaft (805), the stirring rod (806) is fixed to the outer side of the third rotating shaft (805) in the built-in cavity (4), the other end of the second rotating shaft (802) is fixedly connected with the driven wheel (807), one end of the first rotating shaft (610) is fixedly connected with the driving wheel (808), and the outer sides of the driven wheel (807) and the driving wheel (808) are fixedly connected with the transmission belt (809).

8. The feeding device for chemical raw material production with screening structure according to claim 7, characterized in that: The first bevel gear (803) is meshed and connected with the second bevel gear (804), one end of the third rotating shaft (805) extends to the inside of the built-in cavity (4) through the side of the box body (1) and is rotationally connected with the inside of the box body (1), the stirring rods (806) are equidistantly distributed outside the third rotating shaft (805) in the built-in cavity (4), one end of the second rotating shaft (802) extends to the outside of the second fixed box (801) through the side of the inside of the second fixed box (801) and is fixedly connected with one end of the driven wheel (807), and one end of the first rotating shaft (610) extends to the outside of the first fixed box (609) through the side of the first fixed box (609) and is fixedly connected with one end of the driving wheel (808).

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