Crushing device for fertilizer production

Abstract

The utility model relates to the technical field of fertilizer production, and discloses a crushing device for fertilizer production, which solves the problem that material screening is affected due to the fact that an intercepting screen is easily blocked at present, and comprises a crushing box, a feeding hopper is fixedly mounted at the top of the crushing box, and a crushing mechanism is mounted in the crushing box. A grinding mechanism is mounted on the crushing mechanism, and the crushing mechanism comprises an inner box fixed in the crushing box; according to the device, through cooperation of the motor, the transmission shaft, the first smashing cutter and the second smashing cutter, materials can be smashed conveniently, through cooperation of a first bevel gear, a second bevel gear, a rotating shaft and an eccentric block, a screen can be impacted, and through cooperation of a bottom rod, a side plate, a first spring and a bottom block, the materials can be smashed conveniently. And the screen can conveniently drive the materials which do not meet the requirement on the top to vibrate, so that the screen is prevented from being blocked, and the materials are crushed by the crushing cutter II and the crushing cutter I again.

Description

Technical Field

[0001] The utility model belongs to the technical field of fertilizer production, in particular to a crushing device used for fertilizer production. Background Art

[0002] Fertilizer is a compound that helps plants grow. There are many types and brands of fertilizers sold on the market. According to the ingredients, they can be divided into inorganic fertilizers and organic fertilizers. The fertilizers need to be crushed during the production process. According to the patent document with the authorization announcement number: CN205182916U, entitled "A High-efficiency Crushing Device for Fertilizer Production", it includes a crushing shell, a first rotating shaft is provided on the upper part of the crushing shell, the first rotating shaft is vertically arranged, the first rotating shaft is connected to a first motor located above the crushing shell, a first crushing blade is provided on the first rotating shaft, a second crushing blade is provided on the side wall of the upper part of the crushing shell, and an arc-shaped stirring paddle is also provided at the bottom of the first rotating shaft, and a stirring paddle is provided below the arc-shaped stirring paddle. An intercepting screen is provided, and the intercepting screen is in an arc shape matching the arc-shaped stirring paddle; a plurality of crushing rollers are provided below the intercepting screen, and the crushing rollers are arranged in an up-and-down staggered manner, and each crushing roller is evenly provided with a plurality of radially protruding crushing teeth, and each crushing roller is connected to a corresponding driving motor outside the crushing shell; a grinding shell is provided below the crushing roller, and the grinding shell is in a hollow spherical shape, and a crushing bucket is installed at the upper end of the grinding shell, and the crushing rollers are all located in the crushing bucket, and the grinding shell is in a hollow spherical shape, and a grinding ball is provided in the grinding shell, and a second rotating shaft is provided at the right end of the grinding ball, and the second rotating shaft is arranged horizontally and is connected to the second motor located on the right side of the crushing shell through a reducer; but the following defects still exist:

[0003] The arc-shaped stirring paddle is used to stir up the material on the intercepting screen and crush it again. However, since the arc-shaped stirring paddle is located on the intercepting screen, the arc-shaped stirring paddle is likely to squeeze the material on the intercepting screen during the stirring process, which may easily cause the intercepting screen to become blocked and affect the screening of the material. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a crushing device for fertilizer production, which effectively solves the problem that the intercepting screen is easily blocked and affects the screening of materials.

[0005] To achieve the above object, the utility model provides the following technical solution: a crushing device for fertilizer production, comprising a crushing box, a feed hopper is fixedly installed on the top of the crushing box, a crushing mechanism is installed inside the crushing box, and a grinding mechanism is installed on the crushing mechanism;

[0006] The crushing mechanism includes an inner box fixed inside the crushing box, a screen is movably provided inside the inner box, a bottom frame is fixedly installed inside the crushing box, the bottom frame is fixed to the bottom of the inner box, two side panels are symmetrically fixedly installed inside the bottom frame, two bottom rods are symmetrically fixedly installed at the bottom of the screen, the bottom ends of the two bottom rods respectively penetrate the two side panels and are fixedly installed with bottom blocks, and the two bottom rods are movably connected to the two side panels respectively, the bottoms of the two side panels are fixedly connected with springs one, the bottom ends of the two springs one are respectively fixed to the tops of the two bottom blocks, and the two springs one are respectively sleeved on the outsides of the two bottom rods.

[0007] Preferably, the bottom frame is internally symmetrically rotatably connected with two rotating shafts, the outer sides of the two rotating shafts are movably sleeved with eccentric blocks, the ends of the two rotating shafts close to each other are fixedly installed with bevel gears 2, the top of the crushing box is fixedly installed with a support seat, the support seat is fixedly installed with a motor, the motor is fixedly installed with a transmission shaft, the bottom end of the transmission shaft extends to the interior of the crushing box, and the transmission shaft is rotatably connected to the crushing box, the transmission shaft passes through the screen and is movably connected to the screen, the outer side of the transmission shaft is fixedly installed with a bevel gear 1, and the two bevel gears 2 are meshingly connected with the bevel gear 1.

[0008] Preferably, the outer side of the transmission shaft is fixedly sleeved with an outer cylinder located inside the inner box, the outer side of the outer cylinder is fixedly connected with a second crushing knife at an equal angle, and the inner side of the inner box is fixedly installed with a first crushing knife at an equal angle.

[0009] Preferably, the grinding mechanism includes a guide frame fixed inside the crushing box, the guide frame is located below the bottom frame, a grinding shell is fixedly installed on the bottom of the guide frame, a discharge pipe is fixedly installed on the bottom end surface of the grinding shell, the bottom end of the discharge pipe extends to the outside of the crushing box and is installed with a valve, and grinding balls are arranged inside the grinding shell.

[0010] Preferably, a square rod is fixedly mounted on the top surface of the grinding ball, a square groove matching the square rod is provided at the bottom end of the transmission shaft, and the square rod is movably sleeved inside the square groove.

[0011] Preferably, a U-shaped round rod is provided above the grinding ball, the square rod is fixedly sleeved on the outer side of the U-shaped round rod, a sleeve plate is fixedly sleeved on the outer side of the transmission shaft, both ends of the U-shaped round rod pass through the sleeve plate and are fixedly installed with top blocks, and the U-shaped round rod is movably connected to the sleeve plate, and two springs are fixedly connected between the two top blocks and the sleeve plate, and the two springs are sleeved on the outer side of the U-shaped round rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the crushing of materials through the cooperation between the motor and the transmission shaft and the crushing knives 1 and 2, and can impact the screen through the cooperation between the bevel gears 1 and 2 and the rotating shaft and the eccentric block, and facilitates the screen to drive the material on the top that does not meet the requirements to vibrate through the cooperation between the bottom rod and the side plate and the spring 1 and the bottom block, thereby avoiding the clogging of the screen and allowing the material to be crushed again by the crushing knives 2 and 1.

[0014] (2) The new type of grinding machine can make the grinding balls squeeze the materials in the grinding shell through the cooperation between the sleeve plate and the square rod, as well as the U-shaped round rod and the spring 2. The cooperation between the square groove and the square rod facilitates the grinding balls to rotate and grind the materials, thereby improving the material crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of a pulverizing device for fertilizer production according to the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the pulverizing mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the bottom frame structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the grinding mechanism of the utility model;

[0021] Figure 5 This is a schematic diagram of the disassembled structure of the transmission shaft and the square rod of the utility model;

[0022] In the figure: 1. crushing box; 2. crushing mechanism; 201. inner box; 202. outer cylinder; 203. bottom frame; 204. crushing knife one; 205. crushing knife two; 206. motor; 207. support seat; 208. transmission shaft; 209. bevel gear one; 2010. eccentric block; 2011. bottom rod; 2012. side plate; 2013. bottom block; 2014. spring one; 2015. bevel gear two; 2016. rotating shaft; 2017. screen; 3. grinding mechanism; 301. guide frame; 302. discharge pipe; 303. valve; 304. grinding shell; 305. grinding ball; 306. square rod; 307. U-shaped round rod; 308. spring two; 309. square groove; 3010. top block; 3011. sleeve plate; 4. feed hopper. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Embodiment 1, by Figure 1 The utility model comprises a crushing box 1 , a feed hopper 4 is fixedly installed on the top of the crushing box 1 , a crushing mechanism 2 is installed inside the crushing box 1 , and a grinding mechanism 3 is installed on the crushing mechanism 2 .

[0025] Specifically, by Figure 2-3 The crushing mechanism 2 includes an inner box 201 fixed to the inside of the crushing box 1, a screen 2017 is movably provided inside the inner box 201, a bottom frame 203 is fixedly installed inside the crushing box 1, the bottom frame 203 is fixed to the bottom of the inner box 201, two side panels 2012 are symmetrically fixedly installed inside the bottom frame 203, two bottom rods 2011 are symmetrically fixedly installed at the bottom of the screen 2017, the bottom ends of the two bottom rods 2011 respectively penetrate the two side panels 2012 and are fixedly installed with bottom blocks 2013, and the two bottom rods 2011 are movably connected to the two side panels 2012, the bottoms of the two side panels 2012 are fixedly connected with springs 2014, the bottom ends of the two springs 2014 are respectively fixed to the tops of the two bottom blocks 2013, and the two springs 2014 are respectively sleeved on the outsides of the two bottom rods 2011, the interior of the bottom frame 203 is symmetrically rotatably connected with two rotating shafts 2016, and the two The outer sides of the two rotating shafts 2016 are movably sleeved with eccentric blocks 2010, and the ends of the two rotating shafts 2016 close to each other are fixedly installed with bevel gears 2015. A support seat 207 is fixedly installed on the top of the crushing box 1, and a motor 206 is fixedly installed on the support seat 207. A transmission shaft 208 is fixedly installed on the motor 206. The bottom end of the transmission shaft 208 extends to the inside of the crushing box 1, and the transmission shaft 208 is rotatably connected with the crushing box 1. The transmission shaft 208 passes through the screen 2017 and is movably connected with the screen 2017. A bevel gear 1 209 is fixedly installed on the outer side of the transmission shaft 208. The two bevel gears 2015 are meshed and connected with the bevel gear 1 209. The outer side of the transmission shaft 208 is fixedly sleeved with an outer cylinder 202 located inside the inner box 201, and a crushing knife 205 is fixedly connected to the outer side of the outer cylinder 202 at equal angles, and a crushing knife 1 204 is fixedly installed at equal angles on the inner side of the inner box 201.

[0026] When in use, first start the motor 206 to drive the transmission shaft 208 to rotate, and then drive the outer cylinder 202 to rotate. At this time, the crushing knife 205 rotates and cooperates with the crushing knife 1 204 to crush the material. The crushed material falls and is screened through the screen 2017. The material that does not meet the requirements remains on the top of the screen 2017. When the transmission shaft 208 rotates, it drives the bevel gear 1 209 to rotate. Since the two bevel gears 2015 are meshed and connected with the bevel gear 1 209 and drive the two rotating shafts 2016 to rotate, the two eccentric blocks 2010 rotate to hit the screen 2017. Under the elastic action of the two springs 1 2014, the screen 2017 vibrates to prevent the screen 2017 from being blocked. At the same time, the material that does not meet the requirements is crushed again by the crushing knife 1 204 and the crushing knife 205, and finally the material is completely crushed.

[0027] Specifically, by Figure 4-5 The grinding mechanism 3 includes a guide frame 301 fixed inside the crushing box 1, the guide frame 301 is located below the bottom frame 203, a grinding shell 304 is fixedly installed at the bottom of the guide frame 301, a discharge pipe 302 is fixedly installed on the bottom end surface of the grinding shell 304, the bottom end of the discharge pipe 302 extends to the outside of the crushing box 1 and is installed with a valve 303, a grinding ball 305 is arranged inside the grinding shell 304, a square rod 306 is fixedly installed on the top surface of the grinding ball 305, and a square groove 309 adapted to the square rod 306 is arranged at the bottom end of the transmission shaft 208. The square rod 306 is movably sleeved inside the square groove 309, a U-shaped round rod 307 is provided above the grinding ball 305, the square rod 306 is fixedly sleeved on the outside of the U-shaped round rod 307, a sleeve plate 3011 is fixedly sleeved on the outside of the transmission shaft 208, both ends of the U-shaped round rod 307 penetrate the sleeve plate 3011 and are fixedly installed with a top block 3010, and the U-shaped round rod 307 is movably connected to the sleeve plate 3011, and a spring 2 308 is fixedly connected between the two top blocks 3010 and the sleeve plate 3011, and the two springs 2 308 are sleeved on the outside of the U-shaped round rod 307;

[0028] In the use state, since the square rod 306 is sleeved inside the square groove 309, when the transmission shaft 208 rotates, it drives the rotation of the square rod 306 and the rotation of the grinding ball 305, thereby grinding and crushing the material in the grinding shell 304. At the same time, under the elastic action of the two springs 308, the grinding ball 305 squeezes the material to improve the crushing effect of the material. Finally, the valve 303 is opened to allow the crushed material to be discharged from the discharge pipe 302.

Claims

1. A pulverizing device for fertilizer production, comprising a pulverizing box (1), characterized in that: A feed hopper (4) is fixedly mounted on the top of the crushing box (1), a crushing mechanism (2) is mounted inside the crushing box (1), and a grinding mechanism (3) is mounted on the crushing mechanism (2); The crushing mechanism (2) comprises an inner box (201) fixed inside the crushing box (1), a screen (217) is movably provided inside the inner box (201), a bottom frame (203) is fixedly installed inside the crushing box (1), the bottom frame (203) is fixed to the bottom of the inner box (201), two side panels (212) are symmetrically fixedly installed inside the bottom frame (203), two bottom bars (211) are symmetrically fixedly installed at the bottom of the screen (217), and the two bottom bars (211) are fixedly installed at the bottom of the screen (217). The bottom ends of the two side plates (2011) respectively penetrate the two side plates (2012) and are fixedly mounted with a bottom block (2013), and the two bottom bars (2011) are movably connected to the two side plates (2012), the bottoms of the two side plates (2012) are fixedly connected with springs 1 (2014), the bottom ends of the two springs 1 (2014) are respectively fixed to the tops of the two bottom blocks (2013), and the two springs 1 (2014) are respectively sleeved on the outer sides of the two bottom bars (2011).

2. A pulverizing device for fertilizer production according to claim 1, characterized in that: The bottom frame (203) is internally symmetrically rotatably connected with two rotating shafts (2016), the outer sides of the two rotating shafts (2016) are movably sleeved with eccentric blocks (2010), and the ends of the two rotating shafts (2016) close to each other are fixedly mounted with bevel gears 2 (215), the top of the crushing box (1) is fixedly mounted with a support seat (207), a motor (206) is fixedly mounted on the support seat (207), a transmission shaft (208) is fixedly mounted on the motor (206), the bottom end of the transmission shaft (208) extends into the interior of the crushing box (1), and the transmission shaft (208) is rotatably connected to the crushing box (1), the transmission shaft (208) penetrates the screen (217) and is movably connected to the screen (217), a bevel gear 1 (209) is fixedly mounted on the outer side of the transmission shaft (208), and the two bevel gears 2 (2015) are meshedly connected with the bevel gear 1 (209).

3. A pulverizing device for fertilizer production according to claim 2, characterized in that: The outer side of the transmission shaft (208) is fixedly sleeved with an outer cylinder (202) located inside the inner box (201); the outer side of the outer cylinder (202) is fixedly connected with a second crushing knife (205) at an equal angle; and the inner side of the inner box (201) is fixedly installed with a first crushing knife (204) at an equal angle.

4. A pulverizing device for fertilizer production according to claim 1, characterized in that: The grinding mechanism (3) comprises a flow guide frame (301) fixed inside the pulverizing box (1), the flow guide frame (301) being located below the bottom frame (203), a grinding shell (304) being fixedly mounted on the bottom of the flow guide frame (301), a discharge pipe (302) being fixedly mounted on the bottom end surface of the grinding shell (304), the bottom end of the discharge pipe (302) extending to the outside of the pulverizing box (1) and being mounted with a valve (303), and a grinding ball (305) being arranged inside the grinding shell (304).

5. A pulverizing device for fertilizer production according to claim 4, characterized in that: A square rod (306) is fixedly mounted on the top surface of the grinding ball (305), a square groove (309) matching the square rod (306) is provided at the bottom end of the transmission shaft (208), and the square rod (306) is movably sleeved inside the square groove (309).

6. A pulverizing device for fertilizer production according to claim 4, characterized in that: A U-shaped round rod (307) is arranged above the grinding ball (305), the square rod (306) is fixedly sleeved on the outer side of the U-shaped round rod (307), a sleeve plate (3011) is fixedly sleeved on the outer side of the transmission shaft (208), both ends of the U-shaped round rod (307) pass through the sleeve plate (3011) and are fixedly installed with a top block (3010), and the U-shaped round rod (307) and the sleeve plate (3011) are movably connected, and a second spring (308) is fixedly connected between the two top blocks (3010) and the sleeve plate (3011), and the two second springs (308) are sleeved on the outer side of the U-shaped round rod (307).

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