Crushing device for compound fertilizer raw materials

Abstract

The utility model relates to a compound fertilizer raw material crushing device, which belongs to the technical field of compound fertilizer processing and comprises a crushing box, a crushing mechanism mounted at the top of the crushing box, a screen slidably arranged in the middle of the inner side of the crushing box and an extrusion mechanism mounted in the crushing box and used for further crushing raw materials at the top of the screen. Compound fertilizer raw materials can be preliminarily crushed through the crushing mechanism, the screen can filter and block the raw materials which are not fully crushed, the components such as the top plate and the pressing plate can be driven to transversely move through stretching and retracting of the electric push rod, and when the top plate moves, the screen can be upwards jacked and abut against the bottom of the pressing plate through connection of the components such as the supporting plate. And when the top plate moves reversely to be separated from the supporting plate, the spring can rebound to enable the screen to vibrate, the screening speed of the compound fertilizer raw materials can be increased through vibration of the screen, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to compound fertilizer processing technical field, concretely relates to a kind of for compound fertilizer raw material crushing device. BACKGROUND

[0002] Compound fertilizer refers to the fertilizer containing two or more than two nutrient elements, with the advantages of high nutrient content, few by-products and good physical properties, and plays an important role in balancing fertilization, improving fertilizer utilization and promoting high and stable yield of crops. The raw materials for compound fertilizer production are prone to form clumps after transportation and long-term storage, so the compound fertilizer raw materials need to be crushed before production.

[0003] The patent with publication number CN222384912U discloses a "compound fertilizer anti-caking raw material crushing device, which includes a main box body with a box door, a feed hopper is fixedly inserted at the top of the main box body, a first motor is fixedly connected to the outer wall of one side of the main box body, a first crushing roller is fixedly connected to the output end of the first motor and penetrates the main box body, a second crushing roller is arranged on one side of the first crushing roller and engages with it, and the first crushing roller and the second crushing roller are both rotationally connected to the inner wall of the main box body. The utility model can sieve the raw materials after crushing to remove the incompletely crushed raw materials and increase the crushing efficiency."

[0004] Although the filter box of the above-mentioned prior art can filter and block the compound fertilizer raw materials that are not fully crushed, the subsequent workers still need to open the device to take out the raw materials blocked and retained in the filter box and re-feed them into the device or other crushing equipment for further crushing, which is time-consuming and inconvenient, and therefore needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims to solve the above-mentioned problems by providing a compound fertilizer raw material crushing device.

[0006] The utility model achieves the above-mentioned purposes through the following technical solutions:

[0007] A compound fertilizer raw material crushing device includes a crushing box, a crushing mechanism installed at the top of the crushing box, a screen mesh slidingly arranged at the middle of the inner side of the crushing box, and an extrusion mechanism installed in the crushing box and used for further crushing the raw materials on the top of the screen mesh. The extrusion mechanism includes a pressing plate movably arranged on the top of the screen mesh and an electric push rod fixedly arranged on one side of the crushing box and used for driving the pressing plate to move to extrude and crush the raw materials on the top of the screen mesh.

[0008] The bottom of the screen is fixed with a supporting plate, the two sides of the crushing box are slidingly provided with a top plate abutting against the bottom of the supporting plate, a guide slope is arranged between the top plate and the bottom of the supporting plate, and the screen is lifted up by the guide slope when the electric push rod is shortened.

[0009] As a further optimization scheme of the utility model, the crushing mechanism comprises two crushing rollers rotatably arranged on the top of the crushing box, and a motor fixedly arranged outside the crushing box and used for driving the rotation of the crushing rollers.

[0010] As a further optimization scheme of the utility model, the top of the inner wall of the crushing box is fixedly provided with a feeding hopper used for feeding the compound fertilizer raw materials into the crushing mechanism, and the bottom of the inner side of the crushing box is movably provided with a collecting box used for receiving the raw materials falling from the screen.

[0011] As a further optimization scheme of the utility model, one side of the pressing plate is fixedly provided with two groups of connecting rods penetrating and extending to the outside of the crushing box, the top ends of the two groups of connecting rods are fixedly connected with a connecting plate, and the electric push rod is fixedly connected between one side of the connecting plate and the outer wall of the crushing box.

[0012] As a further optimization scheme of the utility model, the top end of the inner wall of the crushing box is fixedly provided with a material guide table abutting against the top of the pressing plate, and the top end of the pressing plate is fixedly connected to one side edge of the connecting plate.

[0013] As a further optimization scheme of the utility model, the two sides of the inner wall of the crushing box are fixedly provided with fixed plates, the spring is fixedly connected between the bottom of the screen and the top of the fixed plate, and a counterweight is fixedly arranged on the side of the crushing box away from the electric push rod.

[0014] The utility model has the advantages of:

[0015] 1. The compound fertilizer raw materials can be preliminarily crushed by the crushing mechanism, the screen can filter and block the raw materials which are not fully crushed, the electric push rod can drive the horizontal movement of the top plate and the pressing plate, the screen can be lifted up and abut against the bottom of the pressing plate when the top plate moves by the connection of the supporting plate and other components, the pressing plate after movement can further crush the raw materials on the top of the screen, the screen can vibrate when the top plate moves reversely and separates from the supporting plate, the vibration of the screen can improve the screening rate of the compound fertilizer raw materials, and the utility model is convenient to use.

[0016] 2. The pressing plate on the top of the screen can be shielded and guided by the material guide table, the collected box can collect the crushed compound fertilizer raw materials, and the counterweight can balance the gravity on the two sides of the crushing box, so that the electric push rod of the crushing box is prevented from being too heavy and being easily turned over. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is the overall structure of the utility model schematic diagram;

[0018] Figure 2 is the overall structure of the utility model internal schematic diagram;

[0019] Figure 3 is the overall structure of the utility model Figure 2 A structure enlarged view;

[0020] Figure 4 is the overall structure of the utility model Figure 2 B structure enlarged view.

[0021] In the figure: 1, pulverizing box;11, feed hopper;12, collection box;13, counterweight;14, material guide table;2, crushing roller;21, motor;3, screen;31, supporting plate;4, pressing plate;41, connecting rod;42, connecting plate;43, electric push rod;44, top plate;5, spring;51, fixed plate. DETAILED DESCRIPTION

[0022] The following further describes the present application in detail with reference to the drawings, and it is necessary to point out here that the following detailed description is only used to further illustrate the present application, and cannot be understood as limiting the scope of protection of the present application, and those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0023] EMBODIMENT

[0024] As Figures 1-4 shown, a kind of for composite fertilizer raw material pulverizing device, including pulverizing box 1, pulverizing mechanism, screen 3 and extrusion mechanism, the feed hopper 11 for sending composite fertilizer raw material into pulverizing mechanism is fixed in the top of the inner wall of pulverizing box 1, the collection box 12 for receiving the raw material falling from screen 3 is movably arranged in the bottom of the inner side of pulverizing box 1, when using, by feed hopper 11, composite fertilizer raw material can be sent into pulverizing mechanism, preliminary pulverization is carried out to the caked composite fertilizer fertilizer by pulverizing mechanism, box door is rotatably arranged in the bottom of one side of pulverizing box 1, collection box 12 can collect the raw material after being pulverized, subsequent staff can open box door and extract collection box 12 from pulverizing box 1, to concentrate the raw material in collection box 12 and take out.

[0025] As Figures 1-3As shown, the crushing mechanism is mounted on the top of the crushing box 1, which includes two crushing rollers 2 rotatingly arranged on the top of the crushing box 1, and a motor 21 fixedly arranged on the outside of the crushing box 1 and used to drive the crushing rollers 2 to rotate, the number of the motor 21 can be two, which can drive the two crushing rollers 2 to synchronously and reversely rotate, facilitating the crushing and pulverization of the compound fertilizer raw materials after the rotation of the two crushing rollers 2, and the synchronous rotation of the two or more motors can be realized by a motion controller or the like, which is a disclosed technology and will not be described in detail here.

[0026] As shown, Figure 2 and Figure 4 As shown, the screen 3 is slidingly arranged in the middle of the inside of the crushing box 1, which can screen the compound fertilizer raw materials, filter and block the raw materials with large volume which are not fully crushed, and the screen 3 is horizontally arranged.

[0027] As shown, Figure 2 and Figure 4 As shown, the extrusion mechanism is mounted in the crushing box 1 and used to further crush the raw materials on the top of the screen 3, which includes a pressing plate 4 movably arranged on the top of the screen 3, and an electric push rod 43 fixedly arranged on one side of the crushing box 1 and used to drive the pressing plate 4 to move to extrude and crush the raw materials on the top of the screen 3, the electric push rod 43 can drive the pressing plate 4 and other components to move horizontally after being extended or retracted, and a plurality of protrusions can be arranged on the side of the pressing plate 4 away from the electric push rod 43, which can crush the raw materials, and the screen 3 is slidingly connected in the crushing box 1.

[0028] As shown, Figure 2 and Figure 4 As shown, the screen 3 is slidingly arranged in the middle of the inside of the crushing box 1, which can screen the compound fertilizer raw materials, filter and block the raw materials with large volume which are not fully crushed, and the screen 3 is horizontally arranged.

[0029] When it is necessary to crush the un-clumped compound fertilizer raw material at the top of the screen 3, the extension and retraction of the electric push rod 43 can drive the top plate 44 and pressure plate 4 to move laterally. When the electric push rod 42 is shortened and drives the top plate 44 to move, it will push the support plate 31 upward through the guide inclined surface, thereby causing the screen 3 to move upward and press against the bottom of the pressure plate 4. At this time, the pressure plate 4 will also move with the top plate 44, thereby crushing the un-clumped compound fertilizer raw material at the top of the screen 3. There is no need for the staff to open the device to take out the un-clumped raw material from the screen 3 and put it back into the feed hopper 11 for repeated crushing, which is more time-saving and convenient.

[0030] like Figure 2 and Figure 4 As shown, a guide platform 14 is fixedly provided on the inner wall of the top of the crushing box 1, which abuts against the top of the pressure plate 4. The top of the pressure plate 4 is fixedly connected to one side edge of the connecting plate 42. The guide platform 14 is located above the top of the screen 3. The guide platform 14 can block the pressure plate 4 on the top of the screen 3 and guide the material, so that the raw material crushed by the crushing mechanism is not easy to enter directly below the guide platform 14 and block the movement of the pressure plate 4.

[0031] like Figure 2 and Figure 4 As shown, a fixing plate 51 is fixedly installed on both sides of the inner wall of the crushing box 1. A spring 5 is fixedly connected between the bottom of the screen 3 and the top of the fixing plate 51. A counterweight block 13 is fixedly installed on the side of the crushing box 1 away from the electric push rod 43. The fixing plate 51 can connect the crushing box 1 and the spring 5. Several springs 5 ​​can be set. The counterweight block 13 can roughly balance the gravity on both sides of the crushing box 1, so as to prevent the electric push rod 43 side of the crushing box 1 from being too heavy and easily tipping over.

[0032] When the compound fertilizer raw material at the top of the screen 3 is crushed by the pressure plate 4, the electric push rod 43 can be extended to drive the pressure plate 4 and the top plate 44 to move in the opposite direction. When the top plate 44 moves and disengages from the support plate 31, the support plate 31 and the screen 3 will move downward due to the loss of the support of the top plate 44. This causes the spring 5 to rebound and drive the screen 3 to move downward and collide with the top plate 44, generating vibration. The vibration of the screen 3 can improve the screening rate of the compound fertilizer raw material.

[0033] It should be noted that, in the use of this compound fertilizer raw material crushing device, the compound fertilizer raw material is first fed into the crushing mechanism through the feed hopper 11. After the motor 21 in the crushing mechanism is running, it will drive the two crushing rollers 2 to rotate synchronously in opposite directions, so that the two crushing rollers 2 can crush and pulverize the compound fertilizer raw material after rotating.

[0034] After being initially crushed by the crushing mechanism, the raw materials fall to the top of the screen 3. At this time, the screen 3 can screen the compound fertilizer raw materials and filter and block the raw materials that are not fully crushed and have a large volume.

[0035] Then, the electric push rod 43 is controlled to extend and retract to drive the top plate 44 and pressure plate 4 and other components to move laterally. When the electric push rod 42 is shortened and drives the top plate 44 to move, it will push the support plate 31 upward through the guide inclined surface, so that the screen 3 moves up and abuts against the bottom of the pressure plate 4. At this time, the pressure plate 4 will also move with the top plate 44, thereby crushing the un-clumped compound fertilizer raw material at the top of the screen 3. There is no need for the staff to open the device to take out the un-clumped raw material of the screen 3 and put it back into the feed hopper 11 for repeated crushing, which is more time-saving and convenient.

[0036] When the compound fertilizer raw material at the top of the screen 3 is crushed by the pressure plate 4, the electric push rod 43 can be extended to drive the pressure plate 4 and the top plate 44 to move in the opposite direction. When the top plate 44 moves and disengages from the support plate 31, the support plate 31 and the screen 3 will move downward due to the loss of the support of the top plate 44, causing the spring 5 to rebound and causing the screen 3 to vibrate. The vibration of the screen 3 can improve the screening rate of the compound fertilizer raw material, and the collection box 12 can collect the crushed raw material.

[0037] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A compound fertilizer raw material crushing device, comprising a crushing box (1), a crushing mechanism installed on the top of the crushing box (1), a screen (3) slidingly arranged in the middle of the inner side of the crushing box (1), and an extrusion mechanism installed in the crushing box (1) and used for further crushing the raw material on the top of the screen (3), characterized in that: the extrusion mechanism comprises a pressing plate (4) movably arranged on the top of the screen (3), and an electric push rod (43) fixedly arranged on one side of the crushing box (1) and used for driving the pressing plate (4) to move to extrude and crush the raw material on the top of the screen (3); the bottom of the screen (3) is fixedly provided with a supporting plate (31) on both sides, the crushing box (1) is slidingly provided with a top plate (44) abutting against the bottom of the supporting plate (31) on both sides, a guide slope is arranged between the top plate (44) and the bottom of the supporting plate (31) and used for guiding the screen (3) to be lifted up when the electric push rod (43) is shortened, so that the screen (3) abuts against the bottom of the pressing plate (4), and a spring (5) is arranged on both sides of the bottom of the crushing box (1) and used for elastically supporting the screen (3) and making the screen (3) vibrate when the top plate (44) is separated from the supporting plate (31). The crushing mechanism comprises two crushing rollers (2) rotatably arranged on the top of the crushing box (1), and a motor (21) fixedly arranged on the outer side of the crushing box (1) and used for driving the crushing rollers (2) to rotate. The inner wall of the top of the crushing box (1) is fixedly provided with a feeding hopper (11) used for feeding the compound fertilizer raw material into the crushing mechanism, and the inner side of the bottom of the crushing box (1) is movably provided with a collecting box (12) used for catching the raw material falling from the screen (3).

2. The compound fertilizer raw material crushing device according to claim 1, characterized in that: One side of the pressing plate (4) is fixedly provided with two groups of connecting rods (41) penetrating and extending to the outside of the crushing box (1), the top ends of the two groups of connecting rods (41) are fixedly connected with a connecting plate (42), and the electric push rod (43) is fixedly connected between one side of the connecting plate (42) and the outer wall of the crushing box (1).

3. The device for crushing raw materials for compound fertilizer according to claim 2, characterized in that: The inner wall of the top end of the crushing box (1) is fixedly provided with a material guide table (14) abutting against the top of the pressing plate (4), and the top end of the pressing plate (4) is fixedly connected to one side edge of the connecting plate (42).

4. The compound fertilizer raw material crushing device according to claim 1, characterized in that: The inner wall of the crushing box (1) is fixedly provided with a fixed plate (51) on both sides, the spring (5) is fixedly connected between the bottom of the screen (3) and the top of the fixed plate (51), and a counterweight (13) is fixedly arranged on the side of the crushing box (1) away from the electric push rod (43).

5. The compound fertilizer raw material crushing device according to claim 4, characterized in that: ​ 6. The compound fertilizer raw material crushing device according to claim 1, characterized in that: ​

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