Calcium oxide pulverizer with screening function

Abstract

The invention discloses a calcium oxide pulverizer with a screening function, and relates to the technical field of calcium oxide pulverizers. The crushing device comprises a base, a crushing box is installed at the top end of the base, a crushing mechanism is installed in the crushing box, a discharging port is formed in the bottom end of the crushing box, a screening mechanism is installed at the bottom end of the crushing box and comprises a screening box, the screening box is rotationally installed at the bottom end of the crushing box, and a conveying mechanism is installed at the top end of the base. By arranging the crushing mechanism, a calcium oxide raw material can be crushed, meanwhile, clustered calcium oxide powder can be crushed, subsequent screening is prevented from being affected, meanwhile, qualified and unqualified calcium oxide powder can be conveniently screened out through the screening mechanism, and meanwhile, through the material conveying mechanism, the calcium oxide raw material can be conveniently conveyed. And unqualified calcium oxide can be conveyed into the crushing box again to be crushed, so that the purposes of improving the processing effect and improving the production efficiency are achieved.

Description

Technical Field

[0001] The invention relates to the technical field of calcium oxide pulverizers, in particular to a calcium oxide pulverizer with a screening function. Background Art

[0002] Calcium oxide production is an industrial process that converts limestone (mainly calcium carbonate) into calcium oxide (CaO) through a high-temperature calcination process. The process usually includes multiple steps such as raw material preparation, crushing, calcination, cooling, crushing and screening. At high temperatures, limestone decomposes into calcium oxide and carbon dioxide. The resulting calcium oxide is widely used in the fields of construction, chemical industry, metallurgy, environmental protection, etc. as an important chemical raw material and building material.

[0003] However, in the production process of calcium oxide, it is necessary to use a crushing mechanism to crush the calcium oxide into powder for subsequent reprocessing. However, the existing equipment has poor crushing effect and low efficiency. The crushed powder needs to be screened again later, which is troublesome and time-consuming. In view of the above problems, the inventor proposes a calcium oxide crusher with screening function to solve the above problems. Summary of the invention

[0004] In order to solve the problem of poor crushing effect and low efficiency, the purpose of the present invention is to provide a calcium oxide crusher with screening function.

[0005] In order to solve the above technical problems, the present invention adopts the following technical scheme: a calcium oxide crusher with screening function, comprising a base, a crushing box is installed on the top of the base, a crushing mechanism is installed in the crushing box, a discharge port is provided at the bottom of the crushing box, a screening mechanism is installed at the bottom of the crushing box, the screening mechanism comprises a screening box, the screening box is rotatably installed at the bottom of the crushing box, and a feeding mechanism is installed on the top of the base.

[0006] Preferably, the crushing mechanism includes a No. 1 rotating rod, there are two No. 1 rotating rods, a crushing roller is installed on the outside of the No. 1 rotating rod, a guide box is fixedly provided on the top of the crushing box, and the two crushing rollers are located in the crushing box; a horizontal plate is fixedly provided in the crushing box, and a No. 1 rotating shaft symmetrically distributed is rotatably inserted in the horizontal plate, and crushing assemblies are provided on the fixed sleeves on the outside of the two No. 1 rotating shafts, and the two crushing assemblies are located below the two crushing rollers; a No. 1 transmission rod is rotatably inserted in the crushing box, and two No. 1 bevel gears are fixedly provided on the outside of the No. 1 transmission rod, and No. 2 bevel gears are fixedly provided on the bottom ends of the two No. 1 rotating shafts, and the two No. 1 bevel gears are respectively connected to The two No. 2 bevel gears are meshed with each other; an L-shaped plate is fixedly provided on the outside of the crushing box, and a No. 2 rotating rod is rotatably inserted between the L-shaped plate and the crushing box, a No. 1 gear is fixedly sleeved on the outside of the No. 2 rotating rod, and a No. 2 gear is fixedly sleeved on the outside of one of the No. 1 rotating rods, and the No. 1 gear is meshed with the No. 2 gear. One of the No. 1 rotating rods is connected to the No. 1 transmission rod through a synchronous wheel and a synchronous belt transmission, and the No. 1 rotating rod and the No. 2 rotating rod on the side away from the No. 2 gear are connected to the No. 1 rotating rod through a synchronous wheel and a synchronous belt transmission, and a No. 1 motor is installed on the side of the L-shaped plate away from the crushing box, and the end of the No. 1 motor output shaft is inserted through the L-shaped plate and fixedly connected to the No. 2 rotating rod.

[0007] Preferably, a screening plate is installed on the inner wall of the screening box, and the screening plate is located below the discharge port. A No. 1 discharge port is provided on the side of the screening box, and a No. 2 discharge port is provided on the side of the screening box away from the discharge port; a fixing frame is fixedly provided on the top of the base, and a No. 3 rotating rod is rotatably inserted in the fixing frame, and a cam is provided on the outer fixed sleeve of the No. 3 rotating rod, and the outer side of the cam is in contact with the bottom end of the screening box; a No. 2 transmission rod is rotatably provided on the top of the base, and the No. 2 transmission rod is connected with the No. 1 transmission rod through a synchronous wheel and a synchronous belt transmission, and a No. 3 bevel gear is fixedly provided on one end of the No. 2 transmission rod close to the No. 3 rotating rod, and a No. 4 bevel gear is fixedly provided on one end of the No. 3 rotating rod close to the No. 3 bevel gear, and the No. 3 bevel gear and the No. 4 bevel gear are meshed with each other.

[0008] Preferably, the feeding mechanism includes a support frame, and there are two support frames in total, which are fixedly connected to the base, a threaded rod is rotatably provided in the support frame, a threaded slider is provided on the outer threaded sleeve of the threaded rod, and the two threaded sliders are respectively slidably inserted in the support frame, and a baffle is fixedly connected to the side of the two threaded sliders close to the crushing box, and a No. 2 rotating shaft is rotatably provided on the opposite side of the two threaded sliders, and a collection box is fixedly connected to the opposite side of the two No. 2 rotating shafts; a No. 3 gear is provided on the outer fixed sleeve of the two No. 2 rotating shafts, and a toothed plate is fixedly provided on the outer side of the top end of the support frame, the threads of the two threaded rods are in the same reverse direction, and the two threaded rods are connected to the synchronous belt transmission through a synchronous wheel, and a No. 2 motor is installed on the top of one of the support frames, and the end of the output shaft of the No. 2 motor is inserted through the support frame and fixedly connected to the threaded rod.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] 1. The present invention provides a crushing mechanism to crush the calcium oxide raw material and break up the agglomerated calcium oxide powder to avoid affecting the subsequent screening. The screening mechanism can be used to screen out qualified and unqualified calcium oxide powders. The feeding mechanism can be used to transfer the unqualified calcium oxide to the crushing box for crushing again, thereby achieving the purpose of improving the processing effect and the production efficiency.

[0011] 2. In the present invention, the first rotating rod, the crushing roller, the first rotating shaft and the crushing assembly are arranged to cooperate with each other, so that the calcium oxide raw material of the equipment can be crushed, and the crushing assembly at the lower layer can crush the agglomerated calcium oxide powder, thereby improving the crushing efficiency and the subsequent screening effect;

[0012] 3. In the present invention, by setting the third rotating rod, cam, screening box and collecting box and other structures to cooperate with each other, the crushed calcium oxide powder can be screened, and unqualified particles can be classified from qualified powder. At the same time, the unqualified particles can be transferred to the crushing box again for secondary processing, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0015] Figure 2For the present invention Figure 1 The enlarged schematic diagram at A in the middle;

[0016] Figure 3 It is a side schematic diagram of the overall structure of the present invention;

[0017] Figure 4 It is a cross-sectional schematic diagram of the crushing box and its connection structure of the present invention;

[0018] Figure 5 For the present invention Figure 4 The enlarged structural diagram at B in the middle;

[0019] Figure 6 For the present invention Figure 4 The enlarged structural diagram at C in the middle;

[0020] Figure 7 It is a schematic diagram of the feeding mechanism and its connection structure of the present invention;

[0021] Figure 8 For the present invention Figure 7 Enlarged structural diagram at D in the middle.

[0022] In the figure: 1. base; 101. crushing box; 102. guide box; 103. discharge port; 2. crushing mechanism; 201. rotating rod No. 1; 202. crushing roller; 203. L-shaped plate; 204. rotating rod No. 2; 205. gear No. 1; 206. gear No. 2; 207. motor No. 1; 210. horizontal plate; 211. rotating shaft No. 1; 212. crushing assembly; 213. transmission rod No. 1; 214. bevel gear No. 1; 215. bevel gear No. 2; 3. screening mechanism; 301. Screening box; 302, screening plate; 303, discharge port No. 1; 304, discharge port No. 2; 310, fixing frame; 311, rotating rod No. 3; 312, cam; 313, transmission rod No. 2; 314, bevel gear No. 3; 315, bevel gear No. 4; 4, feeding mechanism; 401, supporting frame; 402, threaded rod; 403, threaded slider; 404, rotating shaft No. 2; 405, collecting box; 410, gear No. 3; 411, tooth plate; 412, motor No. 2; 413, baffle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] like Figure 1-8As shown, the present invention provides a calcium oxide crusher with a screening function, including a base 1, the base 1 is used for fixed support, a crushing box 101 is installed on the top of the base 1, the crushing box 101 is used to process calcium oxide raw materials, a crushing mechanism 2 is installed in the crushing box 101, the crushing mechanism 2 can process and crush the calcium oxide raw materials, the bottom end of the crushing box 101 is provided with a discharge port 103, the discharge port 103 can discharge the processed calcium oxide to the screening mechanism 3 for subsequent processing, the bottom end of the crushing box 101 is installed with a screening mechanism 3, the screening mechanism 3 is used to screen the crushed calcium oxide, the screening mechanism 3 includes a screening box 301, the screening box 301 is rotatably installed on the bottom end of the crushing box 101, a feeding mechanism 4 is installed on the top of the base 1, the feeding mechanism 4 can transfer unqualified calcium oxide to the crushing box 101 again for secondary processing, thereby improving production efficiency.

[0025] The pulverizing mechanism 2 includes a number one rotating rod 201 , of which there are two. A pulverizing roller 202 is installed outside the number one rotating rod 201 . A guide box 102 is fixedly provided on the top of the pulverizing box 101 , and the two pulverizing rollers 202 are located in the pulverizing box 101 .

[0026] By adopting the above technical solution, the first rotating rod 201 rotates to drive the crushing roller 202 to rotate, thereby crushing the calcium oxide raw material.

[0027] A transverse plate 210 is fixedly disposed in the crushing box 101 , and a symmetrically distributed No. 1 rotating shaft 211 is rotatably inserted in the transverse plate 210 . A crushing assembly 212 is fixedly sleeved on the outer sides of two No. 1 rotating shafts 211 . The two crushing assemblies 212 are located below the two crushing rollers 202 .

[0028] By adopting the above technical solution, the first rotating shaft 211 rotates to drive the two crushing components 212 to rotate, which can prevent the crushed calcium oxide from agglomerating, thereby improving the crushing efficiency and the subsequent screening effect.

[0029] A No. 1 transmission rod 213 is rotatably inserted in the crushing box 101, and two No. 1 bevel gears 214 are fixedly sleeved on the outer side of the No. 1 transmission rod 213. A No. 2 bevel gear 215 is fixedly provided at the bottom end of the two No. 1 rotating shafts 211, and the two No. 1 bevel gears 214 are respectively meshed with the two No. 2 bevel gears 215.

[0030] By adopting the above technical solution, the No. 1 transmission rod 213 rotates to drive the two No. 1 rotating shafts 211 to rotate.

[0031] An L-shaped plate 203 is fixedly provided on the outside of the crushing box 101, and a second rotating rod 204 is rotatably inserted between the L-shaped plate 203 and the crushing box 101, and a first gear 205 is fixedly sleeved on the outside of the second rotating rod 204, and a second gear 206 is fixedly sleeved on the outside of one of the No. 1 rotating rods 201, and the first gear 205 and the second gear 206 are meshed with each other, and one of the No. 1 rotating rods 201 is connected to the first transmission rod 213 through a synchronous wheel and a synchronous belt transmission, and the No. 1 rotating rod 201 and the No. 2 rotating rod 204 are connected to the No. 2 transmission rod 213 through a synchronous wheel and a synchronous belt transmission on the side away from the No. 2 gear 206, and a No. 1 motor 207 is installed on the side of the L-shaped plate 203 away from the crushing box 101, and the end of the output shaft of the No. 1 motor 207 is inserted through the L-shaped plate 203 and fixedly connected to the No. 2 rotating rod 204, and the No. 1 motor 207 is used for power transmission.

[0032] By adopting the above technical solution, the No. 1 motor 207 starts to work, the output shaft end of the No. 1 motor 207 rotates to drive the No. 2 rotating rod 204 to rotate, the No. 2 rotating rod 204 rotates to drive the No. 1 gear 205 to rotate, the No. 1 gear 205 rotates to drive the mutually meshing No. 2 gear 206 to rotate, the No. 2 gear 206 rotates to drive one of the No. 1 rotating rods 201 to rotate, and at the same time, the No. 2 rotating rod 204 rotates through the synchronous wheel and the synchronous belt to rotate the other No. 1 rotating rod 201.

[0033] A screening plate 302 is installed on the inner wall of the screening box 301 , and the screening plate 302 is located below the discharge port 103 . A first discharge port 303 is provided on the side of the screening box 301 , and a second discharge port 304 is provided on one side of the screening box 301 away from the discharge port 103 .

[0034] By adopting the above technical solution, the calcium oxide powder can be filtered and transmitted at the same time through the reciprocating swing of the screening box 301. The qualified products are discharged from the No. 2 discharge port 304, and the unqualified products are discharged from the No. 1 discharge port 303 into the collection box 405, so that screening can be conveniently performed.

[0035] A fixing frame 310 is fixedly disposed at the top of the base 1 , a third rotating rod 311 is rotatably inserted in the fixing frame 310 , a cam 312 is fixedly sleeved on the outer side of the third rotating rod 311 , and the outer side of the cam 312 is in contact with the bottom end of the screening box 301 .

[0036] By adopting the above technical solution, the third rotating rod 311 rotates to drive the two cams 312 to rotate. The rotation of the cam 312 can drive the screening box 301 to swing back and forth up and down outside the crushing box 101. While swinging back and forth, the crushed calcium oxide can be filtered through the screening plate 302.

[0037] A No. 2 transmission rod 313 is rotatably provided at the top of the base 1, and the No. 2 transmission rod 313 is connected to the No. 1 transmission rod 213 through a synchronous wheel and a synchronous belt transmission. A No. 3 bevel gear 314 is fixedly provided at one end of the No. 2 transmission rod 313 close to the No. 3 rotating rod 311, and a No. 4 bevel gear 315 is fixedly provided at one end of the No. 3 rotating rod 311 close to the No. 3 bevel gear 314, and the No. 3 bevel gear 314 and the No. 4 bevel gear 315 are meshed with each other.

[0038] By adopting the above technical solution, the No. 1 transmission rod 213 rotates through the synchronous wheel and the synchronous belt to rotate the No. 2 transmission rod 313, the No. 3 bevel gear 314 rotates, the No. 3 bevel gear 314 rotates and drives the mutually meshing No. 4 bevel gear 315 to rotate, and the No. 4 bevel gear 315 rotates and drives the No. 3 rotating rod 311 to rotate.

[0039] The feeding mechanism 4 includes a support frame 401, and there are two support frames 401. The support frame 401 is fixedly connected to the base 1. A threaded rod 402 is rotatably provided inside the support frame 401, and a threaded slider 403 is threadedly sleeved on the outer side of the threaded rod 402. The two threaded sliders 403 are respectively slidably inserted in the support frame 401, and a second rotating shaft 404 is rotatably provided on the opposite side of the two threaded sliders 403. One side of the two No. 2 rotating shafts 404 is fixedly connected to a collecting box 405. A baffle 413 is fixedly connected to the side of the two threaded sliders 403 close to the crushing box 101. The baffle 413 can prevent the collecting box 405 from flipping toward the crushing box 101 under the action of gravity.

[0040] By adopting the above technical solution, the two threaded rods 402 rotate to drive the threaded slider 403 to move, the movement of the threaded slider 403 drives the No. 2 rotating shaft 404 to rotate, and the movement of the No. 2 rotating shaft 404 drives the collecting box 405 to move upward, so that the collecting box 405 moves to the feeding place of the crushing box 101. During the movement, the No. 3 gear 410 will pass through the No. 2 tooth plate 411, and the No. 3 gear 410 will rotate at this time. The rotation of the No. 3 gear 410 drives the No. 2 rotating shaft 404 to rotate, and the rotation of the No. 2 rotating shaft 404 drives the collecting box 405 to flip over, so that the entrance of the collecting box 405 is at the same level as the side of the crushing box 101. The unqualified products are poured into the crushing box 101 again for secondary processing through the flipping of the collecting box 405, thereby avoiding unnecessary operations affecting the processing efficiency, and further improving the production efficiency of calcium oxide.

[0041] A number three gear 410 is fixedly sleeved on the outer side of the two number two rotating shafts 404, and a toothed plate 411 is fixedly provided on the outer side of the top of the support frame 401. The two toothed plates 411 and the two number three gears 410 are in the same vertical line. When the number three gear 410 moves upward, the number three gear 410 will rotate through the toothed plate 411. The threads of the two threaded rods 402 are in the same reverse direction. The two threaded rods 402 are connected to the synchronous belt transmission through a synchronous wheel. A number two motor 412 is installed on the top of one of the support frames 401. The end of the output shaft of the number two motor 412 is inserted through the support frame 401 and fixedly connected to the threaded rod 402. The number two motor 412 is used to provide power output.

[0042] By adopting the above technical solution, the output shaft end of the second motor 412 is rotated to drive one of the threaded rods 402 to rotate. The rotation of one of the threaded rods 402 causes the two threaded rods 402 to rotate synchronously through the synchronous wheel and the synchronous belt. At the same time, when the third gear 410 moves to the tooth plate 411, the third gear 410 rotates, which can drive the collection box 405 to flip over.

[0043] Working principle: First, start the No. 1 motor 207 to make the No. 1 motor 207 start working, the output shaft end of the No. 1 motor 207 rotates to drive the No. 2 rotating rod 204 to rotate, the No. 2 rotating rod 204 rotates to drive the No. 1 gear 205 to rotate, the No. 1 gear 205 rotates to drive the mutually meshing No. 2 gear 206 to rotate, the No. 2 gear 206 rotates to drive one of the No. 1 rotating rods 201 to rotate, at the same time, the No. 2 rotating rod 204 rotates through the synchronous wheel and the synchronous belt to make the other No. 1 rotating rod 201 rotate, and the two No. 1 rotating rods 201 rotate to drive the two crushing rollers 202 to rotate, the No. 2 rotating rod 204 rotates through the synchronous wheel and the synchronous belt to make the No. 1 transmission rod 213 rotate, and the No. 1 transmission rod 213 rotates to drive the two No. 1 rotating rods 201 to rotate. The No. 1 bevel gear 214 rotates, and the two No. 1 bevel gears 214 rotate and respectively drive the two No. 2 bevel gears 215 meshing with each other to rotate. The No. 2 bevel gear 215 rotates and drives the No. 1 rotating shaft 211 to rotate. The No. 1 rotating shaft 211 rotates and drives the crushing assembly 212 to rotate. At this time, the raw material can be put into the crushing box 101 through the top of the crushing box 101, and first passes through the crushing roller 202, and the crushing roller 202 crushes the raw material. Then the crushed calcium oxide will pass through the crushing assembly 212 and be crushed again by the crushing assembly 212. While the calcium oxide can be crushed for the second time, the crushed calcium oxide can be prevented from agglomerating, thereby improving the crushing efficiency and the subsequent screening effect. Then the processed raw material will be discharged from the crushing box 101. The material port 103 is discharged into the screening box 301. At the same time, the No. 1 transmission rod 213 rotates through the synchronous wheel and the synchronous belt to make the No. 2 transmission rod 313 rotate. The rotation of the No. 2 transmission rod 313 drives the No. 3 bevel gear 314 to rotate. The rotation of the No. 3 bevel gear 314 drives the No. 4 bevel gear 315 that meshes with each other to rotate. The rotation of the No. 4 bevel gear 315 drives the No. 3 rotating rod 311 to rotate. The rotation of the No. 3 rotating rod 311 drives the two cams 312 to rotate. The rotation of the cam 312 can drive the screening box 301 to reciprocate up and down on the outside of the crushing box 101. While reciprocating, the crushed calcium oxide can be filtered through the screening plate 302, and the qualified powder can be filtered to the bottom of the screening box 301, and the unqualified powder is left in the screening. Above the plate 302, the calcium oxide powder can be filtered and transmitted at the same time through the reciprocating swing of the screening box 301. Qualified products are discharged from the No. 2 discharge port 304, and unqualified products are discharged from the No. 1 discharge port 303 into the collection box 405. After the collection box 405 completes the collection, the No. 2 motor 412 can be started to rotate the output shaft end of the No. 2 motor 412 to drive one of the threaded rods 402 to rotate. The rotation of one of the threaded rods 402 causes the two threaded rods 402 to rotate synchronously through the synchronous wheel and the synchronous belt. The rotation of the two threaded rods 402 drives the threaded slider 403 to move. The movement of the threaded slider 403 drives the No. 2 rotating shaft 404 to rotate. The movement of the No. 2 rotating shaft 404 drives the collection box 405 to move upward.The collecting box 405 is moved to the feeding place of the crushing box 101. During the movement, the No. 3 gear 410 will pass through the No. 2 gear plate 411. At this time, the No. 3 gear 410 will rotate. The rotation of the No. 3 gear 410 drives the No. 2 rotating shaft 404 to rotate. The rotation of the No. 2 rotating shaft 404 drives the collecting box 405 to flip, so that the entrance of the collecting box 405 and the side of the crushing box 101 are connected. Through the flipping of the collecting box 405, the unqualified products are poured into the crushing box 101 again for secondary processing, thereby avoiding unnecessary operations that affect the processing efficiency, and further improving the production efficiency of calcium oxide.

[0044] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A calcium oxide pulverizer with a screening function, comprising a base (1), characterized in that: A crushing box (101) is mounted on the top of the base (1), a crushing mechanism (2) is mounted inside the crushing box (101), a discharge port (103) is provided at the bottom of the crushing box (101), a screening mechanism (3) is mounted at the bottom of the crushing box (101), the screening mechanism (3) comprises a screening box (301), the screening box (301) is rotatably mounted at the bottom of the crushing box (101), and a feeding mechanism (4) is mounted on the top of the base (1).

2. A calcium oxide pulverizer with screening function as claimed in claim 1, characterized in that: The pulverizing mechanism (2) comprises a first rotating rod (201), there are two first rotating rods (201), a pulverizing roller (202) is installed outside the first rotating rod (201), a guide box (102) is fixedly provided at the top of the pulverizing box (101), and the two pulverizing rollers (202) are located inside the pulverizing box (101).

3. A calcium oxide pulverizer with screening function as claimed in claim 2, characterized in that: A transverse plate (210) is fixedly provided in the crushing box (101), a number one rotating shaft (211) symmetrically distributed is rotatably inserted in the transverse plate (210), and crushing assemblies (212) are fixedly sleeved outside the two number one rotating shafts (211), and the two crushing assemblies (212) are located below the two crushing rollers (202).

4. A calcium oxide pulverizer with screening function as claimed in claim 3, characterized in that: A first transmission rod (213) is rotatably inserted in the crushing box (101), two first bevel gears (214) are fixedly sleeved outside the first transmission rod (213), and second bevel gears (215) are fixedly arranged at the bottom ends of the two first rotating shafts (211), and the two first bevel gears (214) are respectively meshed with the two second bevel gears (215).

5. A calcium oxide pulverizer with screening function as claimed in claim 4, characterized in that: An L-shaped plate (203) is fixedly provided on the outside of the crushing box (101), a second rotating rod (204) is rotatably inserted in the L-shaped plate (203) and the crushing box (101), a first gear (205) is fixedly sleeved on the outside of the second rotating rod (204), a second gear (206) is fixedly sleeved on the outside of one of the first rotating rods (201), the first gear (205) and the second gear (206) are meshed with each other, and one of the first rotating rods (20 1) is connected to a No. 1 transmission rod (213) through a synchronous wheel and a synchronous belt transmission, the No. 1 rotating rod (201) on the side away from the No. 2 gear (206) is connected to a No. 2 rotating rod (204) through a synchronous wheel and a synchronous belt transmission, a No. 1 motor (207) is installed on the side of the L-shaped plate (203) away from the crushing box (101), and the output shaft end of the No. 1 motor (207) is inserted through the L-shaped plate (203) and fixedly connected to the No. 2 rotating rod (204).

6. The calcium oxide pulverizer with screening function as claimed in claim 1, characterized in that: A screening plate (302) is installed on the inner wall of the screening box (301), and the screening plate (302) is located below the discharge port (103). A first discharge port (303) is provided on the side of the screening box (301), and a second discharge port (304) is provided on a side of the screening box (301) away from the discharge port (103).

7. The calcium oxide pulverizer with screening function as claimed in claim 4, characterized in that: A fixing frame (310) is fixedly provided at the top of the base (1), a third rotating rod (311) is rotatably inserted in the fixing frame (310), a cam (312) is fixedly sleeved on the outer side of the third rotating rod (311), and the outer side of the cam (312) is in contact with the bottom end of the screening box (301).

8. The calcium oxide pulverizer with screening function as claimed in claim 7, characterized in that: A second transmission rod (313) is rotatably provided at the top of the base (1); the second transmission rod (313) is connected to the first transmission rod (213) through a synchronous wheel and a synchronous belt transmission; a third bevel gear (314) is fixedly provided at one end of the second transmission rod (313) close to the third rotating rod (311); a fourth bevel gear (315) is fixedly provided at one end of the third rotating rod (311) close to the third bevel gear (314); the third bevel gear (314) and the fourth bevel gear (315) are meshed with each other.

9. The calcium oxide pulverizer with screening function as claimed in claim 1, characterized in that: The feeding mechanism (4) comprises a support frame (401), wherein there are two support frames (401) in total, wherein the support frames (401) are fixedly connected to the base (1), wherein a threaded rod (402) is rotatably provided inside the support frame (401), wherein a threaded slider (403) is threadedly sleeved outside the threaded rod (402), wherein the two threaded sliders (403) are respectively slidably inserted into the support frame (401), wherein a second rotating shaft (404) is rotatably provided on opposite sides of the two threaded sliders (403), wherein opposite sides of the two second rotating shafts (404) are fixedly connected to a collecting box (405), and a baffle (413) is fixedly connected to one side of the two threaded sliders (403) close to the crushing box (101).

10. The calcium oxide pulverizer with screening function as claimed in claim 9, characterized in that: A third gear (410) is fixedly sleeved on the outer sides of the two No. 2 rotating shafts (404); a toothed plate (411) is fixedly disposed on the outer side of the top end of the support frame (401); the threads of the two threaded rods (402) are in the same direction; the two threaded rods (402) are connected to a synchronous belt transmission via a synchronous wheel; a No. 2 motor (412) is installed on the top end of one of the support frames (401); an output shaft end of the No. 2 motor (412) is inserted into the support frame (401) and fixedly connected to the threaded rod (402).

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