Crusher with blanking screening structure for crop fertilizer production
By designing the connecting components and screen components that automatically replace the screen plate alternately, the problem of screening efficiency reduction caused by screening plate blockage is solved, and the screen plate is replaced without stopping, which improves the working efficiency of the crusher.
Patent Information
- Application Number
- CN202421800877.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-07-29
AI Technical Summary
After long-term use of existing crushing screening machines, the screen plate is easily blocked by fertilizer particles, resulting in a decrease in screening efficiency. It is necessary to shut down when replacing the screen plate, affecting work efficiency.
A crusher with a cut-out screening structure is designed. Automatic alternating replacement and vibrating screening of the screen plates are realized through the connecting assembly and the screening assembly, allowing the plugged screen plate to be replaced without shutting down, improving screening and crushing efficiency.
It realizes the replacement of screen plates without shutting down, improves the crushing and screening efficiency, and enhances the continuous working ability of the equipment.
Smart Images
Figure CN223209533U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of crop fertilizer production, in particular to a crusher for crop fertilizer production with a material feeding and screening structure. Background Art
[0002] Crop fertilizer production refers to the production of various types of fertilizers, including organic fertilizers, inorganic fertilizers and compound fertilizers, which are used to promote crop growth and increase yields. During processing, they will be crushed and screened.
[0003] When the existing crushing and screening machine is used for a long time, the screen plate will be used for a long time, and its screen holes will be blocked by fertilizer particles, which will affect its screening efficiency and require personnel to stop the machine for replacement and cleaning. However, when the existing crushing and screening machine is replaced, it can only be stopped for replacement, which will affect its working efficiency. Utility Model Content
[0004] The purpose of the utility model is to provide a crusher for crop fertilizer production with a material screening structure to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a crusher for producing crop fertilizer with a material discharging and screening structure, comprising a crushing box, a feeding port being provided at the top of the crushing box, a hopper being fixed at the bottom of the crushing box, a screening box being fixed at the bottom of the hopper, a material discharging port being provided at the bottom of the screening box, a sealing door being connected to the surface of the screening box, a screening assembly and a linkage assembly being provided on the surface and inside of the screening box, the linkage assembly comprising:
[0006] The bellows is fixed to the top of the inner wall of the screening box, and the bellows, screening box and hopper are interconnected. A sliding rod is fixed to the left surface of the bellows, and the left end of the sliding rod passes through the screening box, and the sliding rod is slidably connected to the screening box. A pressure plate is fixed on the surface of the sliding rod, and a spring 2 is fixed on the surface of the pressure plate. One end of the spring 2 away from the pressure plate is fixed to the surface of the screening box. A limiting plate is fixed on the top of the sliding rod, and an L-shaped plate is slidably connected to the surface of the screening box. A limiting block is fixed to the bottom of the L-shaped plate, and a slider is slidably connected to the bottom of the L-shaped plate. A spring three is fixed to the right side of the slider, and the right end of the spring three is fixed to the surface of the L-shaped plate. A spring four is fixed on the top of the L-shaped plate. A connecting plate is fixed on the top of the screening box, and the connecting plate is fixed to the surface of the screening box. The pressure plate is pressed, and the limit plate moves close to the limit block. The side of the limit block away from the inclined surface conflicts with the surface of the limit plate, stabilizing the slide bar. When the slide bar moves, it drives the bellows to move right, so that another set of screen plates can perform screening work, and the screen plates that need to be replaced can be pulled out for replacement without stopping the equipment, thereby increasing its screening and crushing efficiency. The pressure plate is pressed again, and the limit plate continues to move right. When the limit plate is on the right side of the slider, spring two is released, and the limit plate drives the slider to move close to the limit block. When the limit block fits against the surface of the slider, the limit of the limit plate is released, and the slide bar drives the bellows to move left, and another set of screen plates can be screened. At the same time, motor two is turned on for forward rotation to perform screening work.
[0007] Preferably, the screening assembly includes a support plate, which is fixed to the back of the screening box, and a second motor is fixed to the top of the support plate. A rotating rod is provided on the surface of the screening box, and the rotating rod passes through the screening box and is rotatably connected to the screening box. A cam is rotatably connected to the inner wall of the screening box. Two groups of rotating rods are provided, and the two groups of rotating rods are symmetrically arranged with the center line of the screening box as the symmetry axis. The surface of one of the two groups of rotating rods is fixedly connected to the surface of the second motor. The two groups of rotating rods are both penetrated by a pulley, and the surface of the pulley is connected to a belt for transmission. The rotating rod passes through the cam, and the cam is provided There are two groups, a partition is fixed to the bottom of the inner wall of the screening box, and the partition and the surface and inner wall of the screening box are slidably connected with a concave frame, a screen plate is inserted into the inner side of the concave frame, a spring 1 is fixed on the top of the concave frame, and a fixed plate is fixed on the top of the spring 1, and the fixed plate is fixed on the partition and the surface and inner wall of the screening box. At the same time, motor 2 is turned on for forward rotation, and a group of cams are driven to rotate through a group of pawls and ratchet wheels, which resists a group of screen plates for vibration, and the fertilizer is screened and discharged through the discharge port. Motor 2 is turned on for reverse rotation, and another group of cams rotates, so that another group of screen plates performs screening work.
[0008] Preferably, the surfaces of the two groups of rotating rods are provided with pawls, the inner sides of the two groups of cams are provided with ratchets, and the two groups of pawls and ratchets face opposite directions, so that one group of cams rotates when the second motor rotates forward or reverse.
[0009] Preferably, two groups of sieve plates are provided, and the two groups of sieve plates are symmetrically arranged with the center line of the screening box as the symmetry axis, so as to realize alternating screening operation.
[0010] Preferably, the inner wall of the crushing box is rotatably connected to crushing roller 1 and crushing roller 2, the surface of the crushing box is rotatably connected to gear 1 and gear 2, the gear 1 is meshed with gear 2, and a fixed rod is provided on the surface of the crushing box, the fixed rod passes through gear 1 and the crushing box, and the fixed rod is fixedly connected to gear 1, the fixed rod is rotatably connected to the crushing box, and the end of the fixed rod away from gear 1 is fixedly connected to the surface of crushing roller 2, the surface of the crushing box is fixed with a bottom plate, the surface of the bottom plate is fixed with motor 1, the output shaft of motor 1 passes through gear 2 and the crushing box, the output shaft of motor 1 is fixedly connected to gear 2, and the output shaft of motor 1 is fixedly connected to the surface of crushing roller 1, when motor 1 is turned on, gear 2 drives gear 1 to rotate, and crushing roller 1 and crushing roller 2 are rotated through the fixed rod to crush crop fertilizer.
[0011] Preferably, the side of the limit block away from the slider is set to be inclined, and the side of the limit plate close to the limit block is set to be inclined. When the inclined surface of the limit block conflicts with the inclined surface of the limit plate, the L-shaped plate can move up.
[0012] Preferably, the cross section of the slider is a right-angled trapezoid, and when the slider is in contact with the surface of the limiting block, the limiting of the limiting plate can be released.
[0013] Compared with the prior art, the present invention provides a crusher for crop fertilizer production with a material screening structure, which has the following beneficial effects:
[0014] 1. The agricultural crop fertilizer production crusher with a feeding and screening structure presses the pressure plate through the provided linkage assembly. The side of the limit block away from the inclined surface conflicts with the surface of the limit plate, the slide rod is stabilized, the bellows moves to the right, and another set of screen plates performs screening work. The screen plates that need to be replaced are pulled out for replacement without stopping the equipment, thereby increasing the screening and crushing efficiency. The pressure plate is pressed again. When the limit block fits with the surface of the slider, the limit of the limit plate is released, the slide rod drives the bellows to move to the left, and another set of screen plates performs screening. At the same time, the second motor is turned on for forward rotation to perform screening work.
[0015] 2. The crusher for producing crop fertilizers with a material discharge and screening structure has a screening component that is set up. When the second motor is turned on for forward rotation, a group of cams are driven to rotate through a group of pawls and ratchets, which vibrate against a group of screen plates to screen the fertilizer and discharge it through the material discharge port. When the second motor is turned on for reverse rotation, another group of cams are driven to rotate through another group of ratchets and pawls, and another group of screen plates performs screening. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the front view structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the partial internal structure of the utility model;
[0018] Figure 3 This is a partial front view of the internal structure of the utility model;
[0019] Figure 4 This is a partial side view of the structure of the utility model;
[0020] Figure 5 It is a partial front view structural diagram of the utility model.
[0021] In the figure: 1. Crushing box; 2. Feeding port; 3. Crushing roller 1; 4. Crushing roller 2; 5. Bottom plate; 6. Motor 1; 7. Fixed rod; 8. Screening assembly; 80. Support plate; 81. Motor 2; 82. Rotating rod; 83. Cam; 84. Pulley; 85. Concave frame; 86. Fixed plate; 87. Spring 1; 88. Screen plate; 89. Partition; 9. Linkage assembly; 90. Bellows; 91. Slide bar; 92. Press plate; 93. Spring 2; 94. Limit plate; 95. L-shaped plate; 96. Limit block; 97. Slider; 98. Spring 3; 99. Spring 4; 900. Connecting plate; 10. Gear 1; 11. Gear 2; 12. Hopper; 13. Screening box; 14. Sealing door; 15. Feeding port. DETAILED DESCRIPTION
[0022] like Figure 1-Figure 5 As shown, the utility model provides a technical solution: a crusher for crop fertilizer production with a feeding and screening structure, comprising a crushing box 1, a feeding port 2 is provided on the top of the crushing box 1, a hopper 12 is fixed to the bottom of the crushing box 1, a screening box 13 is fixed to the bottom of the hopper 12, a feeding port 15 is provided at the bottom of the screening box 13, a sealing door 14 is connected to the surface of the screening box 13, a screening assembly 8 and a linkage assembly 9 are provided on the surface and interior of the screening box 13, and the linkage assembly 9 comprises: a bellows 90, a slide bar 91, a pressure plate 92, a second spring 93, a limit plate 94, an L-shaped plate 95, a limit block 96, a slider 97, a third spring 98, a fourth spring 99, and a connecting plate 900.
[0023] The bellows 90 is fixed to the top of the inner wall of the screening box 13, and the bellows 90, the screening box 13 and the hopper 12 are interconnected. A sliding rod 91 is fixed to the left surface of the bellows 90. The left end of the sliding rod 91 passes through the screening box 13, and the sliding rod 91 is slidably connected to the screening box 13. A pressure plate 92 is fixed to the surface of the sliding rod 91, and a spring 2 93 is fixed to the surface of the pressure plate 92. One end of the spring 2 93 away from the pressure plate 92 is fixed to the surface of the screening box 13. A limiting plate 94 is fixed to the top of the sliding rod 91. The surface of the screening box 13 is slidably connected to an L-shaped plate 95. A limiting block 96 is fixed to the bottom of the L-shaped plate 95. A slider 97 is slidably connected to the bottom of the L-shaped plate 95. A spring 3 98 is fixed to the right side of the slider 97. The right end of the spring 3 98 is fixed to the surface of the L-shaped plate 95. A spring 4 99 is fixed to the top of the L-shaped plate 95. The top of the spring 4 99 is fixed to the connecting plate 90 When the limit block 96 and the surface of the slider 97 are in contact with each other, the limit of the limit plate 94 is released, and the slide bar 91 drives the bellows 90 to move left, and another group of sieve plates 88 are screened. At the same time, the motor 2 81 is turned forward to carry out the screening work.
[0024] The screening assembly 8 includes a support plate 80, which is fixed to the back of the screening box 13. A second motor 81 is fixed to the top of the support plate 80. A rotating rod 82 is provided on the surface of the screening box 13. The rotating rod 82 passes through the screening box 13 and is rotatably connected to the screening box 13. A cam 83 is rotatably connected to the inner wall of the screening box 13. Two groups of rotating rods 82 are provided, and the two groups of rotating rods 82 are symmetrically arranged with the center line of the screening box 13 as the symmetry axis. The surface of one group of the two groups of rotating rods 82 is fixedly connected to the surface of the second motor 81. The two groups of rotating rods 82 are both penetrated by a pulley 84. The surface of the pulley 84 is connected to a belt for transmission. The rotating rod 82 passes through the cam 83. The cam 83 is provided with two groups. A partition 89 is fixed to the bottom of the inner wall of the screening box 13, and a concave frame 85 is slidably connected to the partition 89 and the surface and inner wall of the screening box 13. A sieve plate 88 is inserted into the inner side of the concave frame 85, and a spring 87 is fixed to the top of the concave frame 85. A fixed plate 86 is fixed to the top of the spring 87. The fixed plate 86 is fixed to the partition 89 and the surface and inner wall of the screening box 13. At the same time, the second motor 81 is turned on for forward rotation, and a group of cams 83 are driven to rotate through a group of pawls and ratchet wheels, which resists a group of sieve plates 88 for vibration, and the fertilizer is screened and discharged through the discharge port 15. The second motor 81 is turned on for reverse rotation, and another group of cams 83 rotates, so that another group of sieve plates 88 perform screening work.
[0025] The surfaces of the two sets of rotating rods 82 are both provided with pawls, and the inner sides of the two sets of cams 83 are both provided with ratchets, and the two sets of pawls and ratchets are in opposite directions, so that when the motor 81 rotates forward or reverse, one set of cams 83 rotates. There are two sets of screen plates 88, and the two sets of screen plates 88 are symmetrically arranged with the center line of the screening box 13 as the axis of symmetry, so that alternating screening can be achieved.
[0026] The inner wall of the crushing box 1 is rotatably connected to the crushing roller 1 3 and the crushing roller 2 4. The surface of the crushing box 1 is rotatably connected to the gear 10 and the gear 2 11. The gear 10 and the gear 2 11 are meshed. A fixed rod 7 is provided on the surface of the crushing box 1. The fixed rod 7 passes through the gear 10 and the crushing box 1, and the fixed rod 7 is fixedly connected to the gear 10. The fixed rod 7 is rotatably connected to the crushing box 1. The end of the fixed rod 7 away from the gear 10 is fixedly connected to the surface of the crushing roller 2 4. The surface of the crushing box 1 is fixed with a bottom plate 5. The surface of the bottom plate 5 is fixed with a motor 1 6. The output shaft of the motor 1 6 passes through the gear 2 11 and the crushing box 1. The motor 1 The output shaft of motor 6 is fixedly connected to gear 2 11, and the output shaft of motor 1 6 is fixedly connected to the surface of crushing roller 1 3. When motor 1 6 is turned on, gear 2 11 drives gear 10 to rotate, and crushing roller 1 3 and crushing roller 2 4 are rotated through fixed rod 7 to crush crop fertilizer. The side of limit block 96 away from slider 97 is set to be inclined, and the side of limit plate 94 close to limit block 96 is set to be inclined. When the inclined surface of limit block 96 conflicts with the inclined surface of limit plate 94, L-shaped plate 95 can be moved upward. The cross section of slider 97 is a right-angled trapezoid. When it fits with the surface of limit block 96, the limit on limit plate 94 can be released.
[0027] When processing crop fertilizer, it is put in through the feed port 2, and the motor 16 is turned on at the same time. The gear 2 11 drives the gear 10 to rotate, and the crushing roller 1 3 and the crushing roller 2 4 are rotated through the fixed rod 7 to crush the crop fertilizer. The crushed crops enter the screening box 13 through the hopper 12 and the bellows 90. At the same time, the motor 2 81 is turned on to rotate forward, and a group of cams 83 are driven to rotate through a group of pawls and ratchet wheels, which abut against a group of screen plates 88 to vibrate, thereby screening the fertilizer and passing through the discharge port 1. 5 discharge, when the screen plate 88 is blocked after long-term use, the person presses the pressure plate 92, the spring 2 93 is compressed, and at the same time, the limit plate 94 is driven to move closer to the limit block 96. When the surface of the limit plate 94 contacts the inclined surface of the limit block 96, the L-shaped plate 95 moves up, and the spring 4 99 is compressed. When the limit plate 94 is located on the right side of the limit block 96, the spring 4 99 is released. At this time, the side of the limit block 96 away from the inclined surface contacts the surface of the limit plate 94, thereby stabilizing the slide bar 91. At the same time, when the slide bar 91 moves, the The dynamic bellows 90 moves rightward, causing another set of sieve plates 88 to perform screening work. At this time, the motor 2 81 is turned on and reversed, and another set of cams 83 rotates, causing another set of sieve plates 88 to perform screening work. At this time, the personnel can open the corresponding sealing door 14, pull out the sieve plate 88 that needs to be replaced and replace it without stopping the equipment, thereby increasing its screening and crushing efficiency. When it needs to be replaced again, press the pressure plate 92 again, and the limit plate 94 continues to move right. At this time, the inclined surface of the limit plate 94 contacts the surface of the slider 97. , the slider 97 and the L-shaped plate 95 continue to move upward. When the limit plate 94 is located on the right side of the slider 97, the spring 2 93 is released, and the limit plate 94 drives the slider 97 to move close to the limit block 96. When the limit block 96 fits the surface of the slider 97, the limit plate 97 moves along the surface of the slider 94 and the limit block 96, thereby releasing the limit of the limit plate 94, so that the slide bar 91 drives the bellows 90 to move left, and another set of screen plates 88 is screened. At the same time, the motor 2 81 is turned on for forward rotation to perform the screening work.
[0028] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A crusher for producing crop fertilizers with a material screening structure, comprising a crushing box (1), characterized in that: The top of the crushing box (1) is provided with a feed port (2), the bottom of the crushing box (1) is fixed with a hopper (12), the bottom of the hopper (12) is fixed with a screening box (13), the bottom of the screening box (13) is provided with a discharge port (15), the surface of the screening box (13) is connected with a sealing door (14), the surface and interior of the screening box (13) are provided with a screening assembly (8) and a linkage assembly (9), the linkage assembly (9) comprising: The bellows (90) is fixed on the top of the inner wall of the screening box (13), and the bellows (90), the screening box (13) and the hopper (12) are interconnected. A slide bar (91) is fixed on the left surface of the bellows (90), the left end of the slide bar (91) passes through the screening box (13), and the slide bar (91) is slidably connected to the screening box (13). A pressure plate (92) is fixed on the surface of the slide bar (91), and a spring 2 (93) is fixed on the surface of the pressure plate (92). One end of the spring 2 (93) away from the pressure plate (92) is fixed on the surface of the screening box (13). 1) is fixed with a limit plate (94) on the top, the surface of the screening box (13) is slidably connected with an L-shaped plate (95), the bottom of the L-shaped plate (95) is fixed with a limit block (96), the bottom of the L-shaped plate (95) is slidably connected with a slider (97), the right side of the slider (97) is fixed with a spring three (98), the right end of the spring three (98) is fixed on the surface of the L-shaped plate (95), the top of the L-shaped plate (95) is fixed with a spring four (99), the top of the spring four (99) is fixed with a connecting plate (900), and the connecting plate (900) is fixed on the surface of the screening box (13).
2. The crusher for crop fertilizer production with a material screening structure according to claim 1, characterized in that: The screening assembly (8) includes a support plate (80), the support plate (80) is fixed on the back of the screening box (13), a motor 2 (81) is fixed on the top of the support plate (80), a rotating rod (82) is provided on the surface of the screening box (13), the rotating rod (82) passes through the screening box (13), and the rotating rod (82) is rotatably connected to the screening box (13), and the inner wall of the screening box (13) is rotatably connected to a cam (83), the rotating rod (82) is provided with two groups, and the two groups of rotating rods (82) are symmetrically arranged with the center line of the screening box (13) as the symmetry axis, the surface of one of the two groups of rotating rods (82) is fixedly connected to the surface of the motor 2 (81), and the two groups of rotating rods (82) are all penetrated by a pulley (84), the surface of the pulley (84) is connected to a belt for transmission, the rotating rod (82) is penetrated by a cam (83), and the cam (83) is provided with two groups. A partition (89) is fixed to the bottom of the inner wall of the screening box (13), and the partition (89) and the surface and inner wall of the screening box (13) are slidably connected with a concave frame (85), and a sieve plate (88) is inserted into the inner side of the concave frame (85). A spring (87) is fixed to the top of the concave frame (85), and a fixed plate (86) is fixed to the top of the spring (87), and the fixed plate (86) is fixed to the partition (89) and the surface and inner wall of the screening box (13).
3. The crusher for crop fertilizer production with a material screening structure according to claim 2, characterized in that: The surfaces of the two groups of rotating rods (82) are both provided with ratchets, and the inner sides of the two groups of cams (83) are both provided with ratchets, and the two groups of ratchets and ratchets face in opposite directions.
4. The crusher for crop fertilizer production with a material screening structure according to claim 2, characterized in that: The sieve plates (88) are provided in two groups, and the two groups of sieve plates (88) are symmetrically arranged with the center line of the screening box (13) as the symmetry axis.
5. The crusher for crop fertilizer production with a material screening structure according to claim 1, characterized in that: The inner wall of the crushing box (1) is rotatably connected to a crushing roller 1 (3) and a crushing roller 2 (4); the surface of the crushing box (1) is rotatably connected to a gear 1 (10) and a gear 2 (11); the gear 1 (10) and the gear 2 (11) are meshed; a fixed rod (7) is provided on the surface of the crushing box (1); the fixed rod (7) passes through the gear 1 (10) and the crushing box (1); the fixed rod (7) is fixedly connected to the gear 1 (10); the fixed rod (7) is rotatably connected to the crushing box (1); the end of the fixed rod (7) away from the gear 1 (10) is fixedly connected to the surface of the crushing roller 2 (4); a bottom plate (5) is fixed to the surface of the bottom plate (5); a motor 1 (6) is fixed to the surface of the bottom plate (5); the output shaft of the motor 1 (6) passes through the gear 2 (11) and the crushing box (1); the output shaft of the motor 1 (6) is fixedly connected to the gear 2 (11); the output shaft of the motor 1 (6) is fixedly connected to the surface of the crushing roller 1 (3).
6. The crusher for crop fertilizer production with a material screening structure according to claim 1, characterized in that: The side of the limit block (96) away from the slider (97) is configured as an inclined surface, and the side of the limit plate (94) close to the limit block (96) is configured as an inclined surface.
7. The crusher for crop fertilizer production with a material screening structure according to claim 1, characterized in that: The cross section of the slider (97) is a right-angled trapezoid.