Material level adjusting device of vertical preheater

Abstract

The utility model discloses a vertical preheater material level adjusting device which comprises a working table and a supporting plate, the top end of the working table is provided with the supporting plate, a rotating disc is arranged above the supporting plate, the bottom end of the rotating disc is provided with a plurality of sets of inner fixing sleeves at equal intervals, the inner fixing sleeves penetrate through the rotating disc, and the inner fixing sleeves penetrate through the rotating disc. The surface of each inner fixing sleeve is slidably sleeved with an outer movable sleeve, the outer movable sleeves are slidably connected with the supporting plate, springs are installed on the surfaces of the outer movable sleeves, the springs are connected with the inner fixing sleeves, two sets of flexible hoses are installed at the bottom end of the supporting plate, and a material scattering cover is installed at the bottom ends of the flexible hoses. A stepping motor is installed in the workbench. According to the utility model, not only are convenient rotary mixed quantitative spreading and convenient reciprocating swing type spreading realized, but also elastic extrusion type anti-spreading protection on materials is facilitated, the spreading uniformity is improved, and the material level adjusting effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of adjusting devices, in particular to a material level adjusting device for a vertical preheater. Background Art

[0002] Vertical preheater refers to a vertical preheating device used for preheating refractory raw materials. It has the characteristics of reasonable structure, high thermal efficiency and automation level, but it cannot make full use of crushed materials and is not suitable for raw materials with poor thermal stability. Vertical preheater is used in conjunction with rotary kiln to preheat raw materials with poor thermal stability, such as active lime or dolomite. In order to preheat the materials inside the preheater more evenly, a vertical preheater material level adjustment device is proposed.

[0003] For example, a vertical preheater material level adjustment device disclosed in the authorization announcement number CN217442269U includes a preheating shell, a feed pipe is slidably connected inside the preheating shell, a discharge trough is provided on the surface of the feed pipe, a hydraulic telescopic rod is fixedly connected to the surface of the feed pipe, the lower end of the hydraulic telescopic rod is fixedly connected to the upper side of the preheating shell, and a scale is provided on the surface of the feed pipe;

[0004] Although the vertical preheater material level adjustment device is realized, the feed pipe can be conveniently supported and fixed by the built-in rod, which ensures the stability of the built-in rod in fixing the feed pipe, and reduces the extrusion damage of the external plate and the built-in plate on the feed pipe to the hydraulic telescopic rod caused by the gravity of the material, ensuring that the hydraulic telescopic rod can quickly form a fixed limit through the built-in rod after adjusting the feed pipe, thereby improving the stability of the feed pipe when used inside the preheating shell after adjustment;

[0005] However, the problem that the existing adjustment device is not conducive to convenient rotary mixed quantitative spreading and convenient reciprocating swing spreading when in use, is not conducive to elastic extrusion anti-spill protection of materials and improving the uniformity of spreading, thus affecting the effect of material level adjustment. Utility Model Content

[0006] The purpose of the utility model is to provide a vertical preheater material level adjustment device to solve the problem that the adjustment device proposed in the above background technology is not convenient for convenient rotary mixing quantitative material spreading and convenient reciprocating swing material spreading, is not conducive to elastic extrusion type anti-spill protection of materials and improving the uniformity of material spreading, thus affecting the effect of material level adjustment.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical preheater material level adjustment device, comprising a workbench and a support plate, the top of the workbench is equipped with a support plate, a rotating disk is arranged above the support plate, the bottom end of the rotating disk is equipped with multiple groups of inner fixed sleeves with equal intervals, and the inner fixed sleeves pass through the rotating disk, the surfaces of the inner fixed sleeves are all slidably covered with outer movable sleeves, and the outer movable sleeves are slidably connected to the support plate, the surfaces of the outer movable sleeves are all equipped with springs, and the springs are connected to the inner fixed sleeves, two groups of flexible hoses are installed at the bottom end of the support plate, and a material spreading cover is installed at the bottom end of the flexible hose, a stepping motor is installed inside the workbench, a transmission gear is installed at the output end of the stepping motor, a rotating shaft is movably installed inside the workbench on one side of the stepping motor, and the rotating shaft passes through the support plate and is connected to the rotating disk, the surface of the rotating shaft is covered with a driven gear, and the transmission gear and the driven gear are meshed with each other.

[0008] Preferably, two groups of support rods are installed on the top of the workbench on one side of the support plate, and material bins are installed on the side walls of the support rods.

[0009] Preferably, two sets of upper discharge pipes are installed at the bottom end of the silo, and the upper discharge pipes are slidably connected to the rotating disk.

[0010] Preferably, a base plate is installed at the bottom end of the workbench, a servo motor is installed at the top end of the base plate, a linkage shaft is installed at the output end of the servo motor, and the linkage shaft passes through the base plate.

[0011] Preferably, a disc is mounted on the surface of the linkage shaft, and a connecting shaft is mounted on the side wall of the disc.

[0012] Preferably, a reciprocating rod is provided below the disc, a tooth piece is installed at one end of the reciprocating rod, a sliding groove is installed inside the reciprocating rod, and the connecting shaft is slidably connected to the sliding groove.

[0013] Preferably, a hinge shaft is installed at the bottom end of the base plate, and the reciprocating rod is movably connected to the base plate through the hinge shaft.

[0014] Preferably, a rack is slidably mounted on the bottom end of the bottom plate on one side of the tooth piece, and the tooth piece and the rack are meshed with each other. A connecting block is mounted on the side wall of the rack, and the connecting block is connected to the spreading cover.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the adjustment device not only realizes convenient rotary mixed quantitative material spreading and convenient reciprocating swing material spreading, facilitates elastic extrusion anti-spill protection of materials and improves the uniformity of material spreading, but also improves the effect of material level adjustment;

[0016] The stepper motor drives the transmission gear to rotate, the transmission gear drives the driven gear to rotate, the driven gear drives the rotating shaft to rotate, the rotating shaft drives the rotating disk to rotate, and the rotating disk drives the inner fixed sleeve to rotate. When the inner fixed sleeve moves, the spring on the surface of the inner fixed sleeve gives an elastic force to the outer movable sleeve to make the outer movable sleeve always close to the upper surface of the support plate to prevent the material inside the inner fixed sleeve from spilling out. When the inner fixed sleeve moves to the flexible hose, the inner fixed sleeve is connected to the inside of the flexible hose, and the material inside the inner fixed sleeve is spilled through the flexible hose through the spreading cover to mix and quantitatively spread the material, thereby realizing convenient rotary mixed quantitative spreading and facilitating elastic extrusion type anti-spill protection for the material.

[0017] The servo motor drives the linkage shaft to rotate, the linkage shaft drives the disc to rotate, the disc drives the connecting shaft to slide inside the slide slot, the connecting shaft drives the return rod to reciprocate around the hinge shaft through the slide slot, the return rod drives the gear piece to reciprocate, the gear piece drives the rack to move back and forth, and the rack drives the spreading cover to swing back and forth through the connecting block, so as to spread the material inside the spreading cover in a reciprocating swinging manner to make it more evenly spread, thus realizing convenient reciprocating swinging spreading, facilitating improving the uniformity of spreading, and improving the effect of material level adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the bottom plate of the utility model;

[0020] Figure 3 It is a side cross-sectional structural schematic diagram of the workbench of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the workbench of the utility model;

[0022] Figure 5 It is a side structural schematic diagram of the utility model.

[0023] In the figure: 1. workbench; 2. support rod; 3. silo; 4. support plate; 5. rotating disk; 6. material spreading cover; 7. flexible hose; 8. upper discharge pipe; 9. bottom plate; 10. gear; 11. servo motor; 12. disc; 13. slide; 14. return rod; 15. connecting shaft; 16. hinge shaft; 17. rack; 18. connecting block; 19. transmission gear; 20. stepping motor; 21. driven gear; 22. rotating shaft; 23. inner fixed sleeve; 24. spring; 25. outer movable sleeve; 26. linkage shaft. DETAILED DESCRIPTION

[0024] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: a vertical preheater material level adjustment device, including a workbench 1 and a support plate 4, the top of the workbench 1 is equipped with a support plate 4, the top of the support plate 4 is provided with a rotating disk 5, the bottom of the rotating disk 5 is equipped with multiple groups of inner fixed sleeves 23 with equal spacing, and the inner fixed sleeves 23 penetrate the rotating disk 5, the surface of the inner fixed sleeves 23 are all slidably covered with outer movable sleeves 25, and the outer movable sleeves 25 are slidably connected to the support plate 4, the surface of the outer movable sleeves 25 are all equipped with springs 24, and the springs 24 and the inner fixed sleeves 2 3 are connected, two groups of flexible hoses 7 are installed at the bottom end of the support plate 4, and a spreading cover 6 is installed at the bottom end of the flexible hose 7. A stepper motor 20 is installed inside the workbench 1, and the stepper motor 20 plays a role of power drive. A transmission gear 19 is installed at the output end of the stepper motor 20. A rotating shaft 22 is movably installed inside the workbench 1 on one side of the stepper motor 20, and the rotating shaft 22 penetrates the support plate 4 and is connected to the rotating disk 5. A driven gear 21 is set on the surface of the rotating shaft 22, and the transmission gear 19 and the driven gear 21 are meshed with each other;

[0026] First, the device is installed inside the vertical preheater. When the material level needs to be adjusted, two different materials are poured into the silo 3 respectively. The materials flow into the inner fixed sleeve 23 through the silo 3 respectively. After the inner fixed sleeve 23 is filled, the device is connected to the external controller and the external circuit. The stepper motor 20 is turned on by the external control, and the stepper motor 20 drives the transmission gear 19 to rotate. Under the mutual meshing of the transmission gear 19 and the driven gear 21, the transmission gear 19 drives the driven gear 21 to rotate, and the driven gear 21 drives the rotating shaft 22 to rotate, and the rotating shaft 22 drives the rotating disk 5 to rotate. The inner fixed sleeve 23 is driven to rotate by the rotating disk 5. When the inner fixed sleeve 23 moves, the spring 24 on the surface of the inner fixed sleeve 23 gives an elastic force to the outer movable sleeve 25, so that the outer movable sleeve 25 is always close to the upper surface of the support plate 4 to prevent the material inside the inner fixed sleeve 23 from spilling out. When the inner fixed sleeve 23 moves to the flexible hose 7, the inner fixed sleeve 23 is connected to the inside of the flexible hose 7, and the material inside the inner fixed sleeve 23 is spilled through the flexible hose 7 and the material is spilled through the material scattering cover 6 to mix and quantitatively scatter the material, thereby realizing convenient rotary mixed quantitative scattering and facilitating elastic extrusion type anti-spill protection for the material.

[0027] Two groups of support rods 2 are installed on the top of the workbench 1 on one side of the support plate 4, and a silo 3 is installed on the side wall of the support rod 2. Two groups of upper discharge pipes 8 are installed at the bottom of the silo 3, and the upper discharge pipes 8 are slidably connected to the rotating disk 5;

[0028] A bottom plate 9 is installed at the bottom end of the workbench 1, and a servo motor 11 is installed at the top end of the bottom plate 9. The servo motor 11 plays a role of power drive. A linkage shaft 26 is installed at the output end of the servo motor 11, and the linkage shaft 26 penetrates the bottom plate 9. A disc 12 is mounted on the surface of the linkage shaft 26, and a connecting shaft 15 is installed on the side wall of the disc 12.

[0029] A reciprocating rod 14 is provided below the disc 12, a toothed plate 10 is installed at one end of the reciprocating rod 14, a slide groove 13 is installed inside the reciprocating rod 14, and a connecting shaft 15 is slidably connected to the slide groove 13, a hinge shaft 16 is installed at the bottom end of the bottom plate 9, and the reciprocating rod 14 is movably connected to the bottom plate 9 through the hinge shaft 16;

[0030] A rack 17 is slidably mounted on the bottom end of the bottom plate 9 on one side of the tooth piece 10, and the tooth piece 10 and the rack 17 are meshed with each other. A connecting block 18 is mounted on the side wall of the rack 17, and the connecting block 18 is connected to the spreading cover 6;

[0031] When the material enters the spreading cover 6, in order to spread the material more evenly, the servo motor 11 is turned on through external control, and the servo motor 11 drives the linkage shaft 26 to rotate, and the linkage shaft 26 drives the disc 12 to rotate, and the disc 12 drives the connecting shaft 15 to slide in the slide groove 13, and the connecting shaft 15 drives the return rod 14 to reciprocate around the hinge shaft 16 through the slide groove 13, and the return rod 14 drives the gear piece 10 to reciprocate, and under the mutual engagement of the gear piece 10 and the rack 17, the gear piece 10 drives the rack 17 to move back and forth, and the rack 17 drives the spreading cover 6 to swing back and forth through the connecting block 18, so as to perform reciprocating swinging of the material inside the spreading cover 6 to make it more evenly spread, thereby realizing convenient reciprocating swinging spreading, facilitating improving the uniformity of spreading, and improving the effect of material level adjustment.

[0032] Working principle: First, the stepper motor 20 drives the transmission gear 19 to rotate, the transmission gear 19 drives the driven gear 21 to rotate, the driven gear 21 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the rotating disk 5 to rotate, and the rotating disk 5 drives the inner fixed sleeve 23 to rotate. When the inner fixed sleeve 23 moves, the spring 24 on the surface of the inner fixed sleeve 23 gives an elastic force to the outer movable sleeve 25 to make the outer movable sleeve 25 always close to the upper surface of the support plate 4 to prevent the material inside the inner fixed sleeve 23 from spilling out. When the inner fixed sleeve 23 moves to the flexible hose 7, the inner fixed sleeve 23 is connected to the inside of the flexible hose 7, and the material inside the inner fixed sleeve 23 is spilled through the flexible hose 7 through the material scattering cover 6. , to mix and quantitatively spread the materials. When the materials enter the spreading cover 6, in order to spread the materials more evenly, the servo motor 11 drives the linkage shaft 26 to rotate, and the linkage shaft 26 drives the disc 12 to rotate. The disc 12 drives the connecting shaft 15 to slide in the slide groove 13, and the connecting shaft 15 drives the return rod 14 to reciprocate around the hinge shaft 16 through the slide groove 13. The return rod 14 drives the gear piece 10 to reciprocate, and the gear piece 10 drives the rack 17 to move back and forth. The rack 17 drives the spreading cover 6 to swing back and forth through the connecting block 18 to spread the materials inside the spreading cover 6 in a reciprocating swinging manner to make it spread more evenly, so as to complete the use of the vertical preheater material level adjustment device.

[0033] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A vertical preheater material level adjustment device, comprising a workbench (1) and a support plate (4), characterized in that: A support plate (4) is installed at the top of the workbench (1), a rotating disk (5) is arranged above the support plate (4), a plurality of groups of inner fixed sleeves (23) are installed at the bottom of the rotating disk (5) at equal intervals, and the inner fixed sleeves (23) penetrate the rotating disk (5), the surfaces of the inner fixed sleeves (23) are all slidably sleeved with outer movable sleeves (25), and the outer movable sleeves (25) are slidably connected to the support plate (4), the surfaces of the outer movable sleeves (25) are all installed with springs (24), and the springs (24) are connected to the inner fixed sleeves (23), and the bottom of the support plate (4) is provided with a plurality of groups of inner fixed sleeves (23 .... Two groups of flexible hoses (7) are installed at the end, and a spreading cover (6) is installed at the bottom end of the flexible hose (7). A stepper motor (20) is installed inside the workbench (1), and a transmission gear (19) is installed at the output end of the stepper motor (20). A rotating shaft (22) is movably installed inside the workbench (1) on one side of the stepper motor (20), and the rotating shaft (22) passes through the support plate (4) and is connected to the rotating disk (5). A driven gear (21) is sleeved on the surface of the rotating shaft (22), and the transmission gear (19) and the driven gear (21) are meshed with each other.

2. A vertical preheater material level adjustment device according to claim 1, characterized in that: Two groups of support rods (2) are installed on the top of the workbench (1) on one side of the support plate (4), and material bins (3) are installed on the side walls of the support rods (2).

3. A vertical preheater material level adjustment device according to claim 2, characterized in that: Two sets of upper discharge pipes (8) are installed at the bottom end of the silo (3), and the upper discharge pipes (8) are slidably connected to the rotating disk (5).

4. A vertical preheater material level adjustment device according to claim 1, characterized in that: A base plate (9) is installed at the bottom end of the workbench (1), a servo motor (11) is installed at the top end of the base plate (9), a linkage shaft (26) is installed at the output end of the servo motor (11), and the linkage shaft (26) passes through the base plate (9).

5. A vertical preheater material level adjustment device according to claim 4, characterized in that: A disc (12) is sleeved on the surface of the linkage shaft (26), and a connecting shaft (15) is mounted on the side wall of the disc (12).

6. A vertical preheater material level adjustment device according to claim 5, characterized in that: A reciprocating rod (14) is arranged below the disc (12), a toothed plate (10) is mounted on one end of the reciprocating rod (14), a sliding groove (13) is mounted inside the reciprocating rod (14), and a connecting shaft (15) is slidably connected to the sliding groove (13).

7. A vertical preheater material level adjustment device according to claim 4, characterized in that: A hinge shaft (16) is installed at the bottom end of the bottom plate (9), and the reciprocating rod (14) is movably connected to the bottom plate (9) via the hinge shaft (16).

8. A vertical preheater material level adjustment device according to claim 6, characterized in that: A rack (17) is slidably mounted on the bottom end of the bottom plate (9) on one side of the toothed plate (10), and the toothed plate (10) and the rack (17) are meshed with each other. A connecting block (18) is mounted on the side wall of the rack (17), and the connecting block (18) is connected to the material spreading cover (6).

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