Preheating polishing machine for producing polyurethane controlled-release fertilizer
By setting up protective devices for semicircular plates and threaded rods in the polyurethane controlled release fertilizer preheating polishing machine, the problem of impurities falling into the barrel is solved, ensuring the quality of the fertilizer.
Patent Information
- Application Number
- CN202421366981.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-14
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-06-14
AI Technical Summary
During the production process of polyurethane-encapsulated controlled release fertilizer, if impurities fall into the feed barrel, they will be mixed into the raw materials of the fertilizer, resulting in pollution and affecting the quality of the fertilizer.
A preheating polishing machine including a bracket, a working table, a barrel, a grinder and a protective device is designed. By setting up a semicircle plate and a threaded rod, the semicircle plate is driven to move opposite directions by using the threaded rod to form a barrier to the top of the barrel to prevent impurities from falling.
Effectively prevent impurities from entering the barrel, avoid contamination, and ensure the quality of polyurethane coated controlled release fertilizer.
Smart Images
Figure CN222661222U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fertilizer polishers, in particular to a preheating polisher for producing polyurethane controlled-release fertilizers. Background Art
[0002] Polyurethane coated controlled-release fertilizer is a fertilizer coated with polymer. The micropores on the membrane are usually only a few hundred nanometers. Liquid water cannot pass through the membrane at all and can only enter the membrane in the form of water molecules. This can reduce the loss of fertilizer caused by heavy rain, etc. When producing polyurethane coated controlled-release fertilizer, a preheating polishing machine, that is, a fertilizer rounding machine, is required. It can make cylindrical granular fertilizers roll into balls at one time, without returning materials, and with a high ball formation rate. It is an ideal equipment for making spherical particles of organic fertilizers today.
[0003] During the fertilizer production process, the barrel of the fertilizer round-polishing machine is completely exposed to the air and directly connected to the outside world. If impurities fall into the barrel, they will be mixed into the fertilizer raw materials, causing pollution to the fertilizer raw materials and affecting the quality of the polyurethane coated controlled-release fertilizer. Utility Model Content
[0004] The utility model provides a preheating and polishing machine for producing polyurethane controlled-release fertilizer in order to solve the problem that if impurities fall into a feeding barrel, they will be mixed into the fertilizer raw materials, causing pollution to the fertilizer raw materials and affecting the quality of the polyurethane coated controlled-release fertilizer.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a preheating polishing machine for producing polyurethane controlled-release fertilizer, comprising a bracket, wherein the first operating platform and the second operating platform are fixedly connected to both sides of the top of the bracket, respectively, the top parts of the first operating platform and the second operating platform are provided with a first barrel and a second barrel, the interiors of the first barrel and the second barrel are both rotatably connected with grinding discs, the bottoms of the first operating platform and the second operating platform are provided with motors, the output ends of the motors are fixedly connected to the bottoms of the grinding discs, the outer surfaces of the first barrel and the second barrel are fixedly connected with discharge barrels, the tops of the first barrel and the second barrel are respectively provided with a first protective device and a second protective device, the first protective device comprises two semicircular plates, one side of the semicircular plates is symmetrically fixedly connected with an extension block, wherein the inner walls of the two extension blocks are threadedly connected with a first threaded rod and a second threaded rod, the first threaded rod and the second threaded rod are fixedly connected at one end close to each other, the threads of the first threaded rod and the second threaded rod are the same in size and opposite in direction, the four corners of the first operating platform are fixedly connected with connecting rods, and the outer surfaces of the first threaded rod and the second threaded rod are respectively arranged on the inner walls of two connecting plates.
[0006] The effect achieved by the above-mentioned components is: by setting two semicircular plates, under the action of the first threaded rod and the second threaded rod, the first threaded rod and the second threaded rod are rotated, and the first threaded rod and the second threaded rod will respectively drive the first semicircular plate connected to the extension block to move toward each other until the two semicircular plates abut against each other, then the two semicircular plates can block the top of the first barrel, which is helpful to prevent impurities from falling into the feed barrel and polluting the fertilizer raw materials, thereby ensuring the quality of the polyurethane coated controlled-release fertilizer.
[0007] Preferably, bearings are fixedly connected to the outer surfaces of the first threaded rod and the second threaded rod, and the outer surfaces of the bearings are fixedly connected to the inner walls of the connecting rod.
[0008] The effect achieved by the above components is that by setting the bearing, the friction between the first threaded rod and the second threaded rod and the connecting rod when rotating can be reduced, making it easier to rotate the first threaded rod and the second threaded rod.
[0009] Preferably, the ends of the first threaded rod and the second threaded rod that are away from each other are both fixedly connected to an operating block, and a protrusion is provided on the outer surface of the operating block.
[0010] The effect achieved by the above components is: by setting the operating block, rotating the operating block can drive the first threaded rod and the second threaded rod to rotate, and at the same time, the outer surface of the operating block is provided with a protrusion, which can effectively increase the friction force of the outer surface of the operating block and have an anti-slip effect when rotating the operating block.
[0011] Preferably, the inner walls of the other two extension blocks are slidably connected with round rods, and the two ends of the round rods are respectively fixedly connected to one side of the other two connecting rods.
[0012] The effect achieved by the above components is: by setting the round rod, when the two clamps move under the action of the first threaded rod and the second threaded rod respectively, the extension block will be driven to slide synchronously on the outer surface of the round rod, which can limit the clamps.
[0013] Preferably, a rubber strip is provided on one side of the two semicircular plates that are close to each other, and one side of the rubber strip is fixedly connected to one side of the semicircular plates.
[0014] The effect achieved by the above components is that by arranging the rubber strip, the gap between the two semicircular plates can be sealed when the two semicircular plates are connected to each other, thereby improving the protective performance of the semicircular plates.
[0015] Preferably, the second protection device comprises a protection plate, the protection plate is arranged on the top of the second barrel, and an auxiliary groove is formed on the top of the protection plate.
[0016] The effect achieved by the above-mentioned components is: by setting a protective plate with an auxiliary groove, the top of the second barrel can be blocked, and the existence of the auxiliary groove facilitates the fertilizer particles processed by the first barrel to enter the second barrel, and can block impurities to a certain extent, which is beneficial to prevent impurities from contaminating the fertilizer particles, and further prevent the fertilizer particles from being contaminated.
[0017] Preferably, the outer surface of the protective plate is symmetrically fixedly connected with a circular hole block, the inner wall of the circular hole block is inserted with a threaded pin, one end of the threaded pin is fixedly connected with a fixed block, and one side of the two fixed blocks is symmetrically fixedly connected to the outer surface of the second barrel.
[0018] The effect achieved by the above components is: by setting a threaded pin, inserting the threaded pin into the inner wall of the circular hole block, and then sleeved a nut on one end of the threaded pin, rotating the nut so that one side of the nut abuts against one side of the circular hole block, the protective plate and the second barrel can be fixed.
[0019] Preferably, a U-shaped block is fixedly connected to the top of the fixing block, and the outer surface of the circular hole block is inserted into the inner wall of the U-shaped block.
[0020] The effect achieved by the above components is: by setting the U-shaped block and inserting the round hole block into the inner wall of the U-shaped block, the U-shaped block can position the protective plate connected to the round hole block, thereby facilitating the rapid installation of the protective plate.
[0021] Compared with the prior art, the advantages and positive effects of the utility model are:
[0022] In the utility model, by setting two semicircular plates, under the action of the first threaded rod and the second threaded rod, the first threaded rod and the second threaded rod can respectively drive the first semicircular plate connected to the extension block to move toward each other until the two semicircular plates abut against each other, then the two semicircular plates can block the top of the first barrel, which is helpful to prevent impurities from falling into the feed barrel and polluting the fertilizer raw materials, thereby ensuring the quality of the polyurethane coated controlled-release fertilizer. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 It is a three-dimensional structural schematic diagram of the main body of the utility model;
[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the first protective device of the utility model;
[0025] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure at point A;
[0026] Figure 4 For this utility model Figure 2 Schematic diagram of the enlarged structure at B.
[0027] Legend: 1. Bracket; 2. First operating table; 3. Second operating table; 4. First barrel; 5. Second barrel; 6. Grinding disc; 7. Discharging barrel; 8. First protective device; 81. Semicircular plate; 82. Extension block; 83. First threaded rod; 84. Second threaded rod; 85. Connecting rod; 86. Bearing; 87. Operating block; 88. Round rod; 89. Rubber strip; 9. Second protective device; 91. Protective plate; 92. Auxiliary groove; 93. Round hole block; 94. Threaded pin; 95. Fixing block; 96. Nut; 97. U-shaped block; 10. Motor. DETAILED DESCRIPTION
[0028] Example 1, reference Figure 1-Figure 3 As shown, this embodiment discloses a preheating polishing machine for producing polyurethane controlled-release fertilizer, including a bracket 1, a first operating platform 2 and a second operating platform 3 are fixedly connected on both sides of the top of the bracket 1, a first barrel 4 and a second barrel 5 are arranged on the top part of the first operating platform 2 and the second operating platform 3, a grinding disc 6 is rotatably connected inside the first barrel 4 and the second barrel 5, a motor 10 is arranged at the bottom of the first operating platform 2 and the second operating platform 3, an output end of the motor 10 is fixedly connected to the bottom of the grinding disc 6, a discharge barrel 7 is fixedly connected to the outer surface of the first barrel 4 and the second barrel 5, a first guard 8 and a second guard 9 are arranged on the top of the first barrel 4 and the second barrel 5, respectively, the first guard 8 includes two semicircular plates 81, one side of the semicircular plate 81 is symmetrically fixedly connected with an extension block 82, wherein the inner walls of the two extension blocks 82 are respectively threadedly connected with a first threaded rod 83 and a second threaded rod 84. Two threaded rods 84, the first threaded rod 83 and the second threaded rod 84 are fixedly connected at one end close to each other, the threads of the first threaded rod 83 and the second threaded rod 84 are of the same size and opposite direction, and the four corners of the first operating table 2 are fixedly connected with connecting rods 85, and the outer surfaces of the first threaded rod 83 and the second threaded rod 84 are respectively arranged on the inner walls of two of the connecting plates 65, and by setting two semicircular plates 81, under the action of the first threaded rod 83 and the second threaded rod 84, the first threaded rod 83 and the second threaded rod 84 are rotated, and the first threaded rod 83 and the second threaded rod 84 will respectively drive the first semicircular plate 81 connected to the extension block 82 to move toward each other until the two semicircular plates 81 abut, then the two semicircular plates 81 can block the top of the first barrel 4, which is beneficial to prevent impurities from falling into the first barrel 2 and polluting the fertilizer raw materials, thereby ensuring the quality of the polyurethane coated controlled-release fertilizer.
[0029] Reference Figure 2 and Figure 3As shown, the outer surfaces of the first threaded rod 83 and the second threaded rod 84 are fixedly connected with bearings 86, and the outer surface of the bearing 86 is fixedly connected to the inner wall of the connecting rod 85. By providing the bearing 86, the friction between the first threaded rod 83 and the second threaded rod 84 and the connecting rod 85 can be reduced when rotating, making it easier to rotate the first threaded rod 83 and the second threaded rod 84; the ends of the first threaded rod 83 and the second threaded rod 84 that are away from each other are fixedly connected with an operating block 87, and the outer surface of the operating block 87 is provided with a protrusion. By providing the operating block 87, rotating the operating block 87 can drive the first threaded rod 83 and the second threaded rod 84 to rotate. At the same time, the outer surface of the operating block 87 is provided with a protrusion, which can effectively increase the friction of the outer surface of the operating block 87 and has an anti-slip effect when rotating the operating block 87.
[0030] Reference Figure 2 and Figure 3 As shown, the inner walls of the other two extension blocks 82 are slidably connected with round rods 88, and the two ends of the round rods 88 are fixedly connected to one side of the other two connecting rods 85. By setting the round rods 88, when the two clamps move respectively under the action of the first threaded rod 83 and the second threaded rod 84, the extension blocks 82 will be driven to slide synchronously on the outer surface of the round rods 88, which can limit the clamps; the two semicircular plates 81 are each provided with a rubber strip 89 on the side close to each other, and one side of the rubber strip 89 is fixedly connected to one side of the semicircular plate 81. By setting the rubber strip 89, when the two semicircular plates 81 are connected to each other, the gap between the two semicircular plates 81 can be sealed, thereby improving the protective performance of the semicircular plates 81.
[0031] Reference Figure 2 and Figure 4 As shown, the second protection device 9 includes a protection plate 91, which is arranged on the top of the second barrel 5. An auxiliary groove 92 is opened on the top of the protection plate 91. By arranging the protection plate 91 with the auxiliary groove 92, the top of the second barrel 5 can be blocked, and the existence of the auxiliary groove 92 facilitates the fertilizer particles processed by the first barrel 4 to enter the second barrel 5, and can block impurities to a certain extent, which is beneficial to prevent impurities from contaminating the fertilizer particles, and further prevent the fertilizer particles from being contaminated.
[0032] Reference Figure 2 and Figure 4As shown, the outer surface of the protective plate 91 is symmetrically fixedly connected with a circular hole block 93, and the inner wall of the circular hole block 93 is inserted with a threaded pin 94, and one end of the threaded pin 94 is fixedly connected with a fixing block 95, and one side of the two fixing blocks 95 is symmetrically fixedly connected to the outer surface of the second barrel 5. By setting the threaded pin 94, the threaded pin 94 is inserted into the inner wall of the circular hole block 93, and then the nut 96 is sleeved on one end of the threaded pin 94, and the nut 96 is rotated so that one side of the nut 96 abuts against one side of the circular hole block 93, so that the protective plate 91 and the second barrel 5 can be fixed; the top of the fixing block 95 is fixedly connected with a U-shaped block 97, and the outer surface of the circular hole block 93 is inserted into the inner wall of the U-shaped block 97. By setting the U-shaped block 97 and inserting the circular hole block 93 into the inner wall of the U-shaped block 97, the U-shaped block 97 can position the protective plate 91 connected to the circular hole block 93, thereby facilitating the rapid installation of the protective plate 91.
[0033] Working principle: When it is necessary to protect the top of the first barrel 4, the rotating operating block 87 drives the first threaded rod 83 and the second threaded rod 84 to rotate. Under the limit of the round rod 88, the first threaded rod 83 and the second threaded rod 84 will respectively drive the first semicircular plate 81 connected to the extension block 82 to move toward each other until the rubber plates on one side of the two semicircular plates 81 abut against each other. Then, the two semicircular plates 81 can block the top of the first barrel 4, which is helpful to prevent impurities from falling into the feed barrel and polluting the fertilizer raw materials, thereby ensuring the quality of the polyurethane coated controlled-release fertilizer; when it is necessary to protect the top of the second barrel 5 , place the protective plate 91 on the top of the second barrel 5, so that the circular hole block 93 is inserted into the inner wall of the U-shaped block 97, and the threaded pin 94 is inserted into the inner wall of the circular hole block 93, and then the nut 96 is sleeved on one end of the threaded pin 94, and the nut 96 is rotated so that one side of the nut 96 abuts against one side of the circular hole block 93, so that the protective plate 91 and the second barrel 5 can be fixed, and the protective plate 91 with the auxiliary groove 92 can block impurities to a certain extent without blocking the fertilizer particles processed by the first barrel 4, which is beneficial to prevent impurities from contaminating the fertilizer particles, and further prevent the fertilizer particles from being contaminated.
Claims
1. A preheating and polishing machine for producing polyurethane controlled-release fertilizer, comprising a support (1), characterized in that: The first operating platform (2) and the second operating platform (3) are respectively fixedly connected to the two sides of the top of the bracket (1); the top parts of the first operating platform (2) and the second operating platform (3) are provided with a first barrel (4) and a second barrel (5); the insides of the first barrel (4) and the second barrel (5) are both rotatably connected with a grinding disc (6); the bottoms of the first operating platform (2) and the second operating platform (3) are both provided with a motor (10); the output end of the motor (10) is fixedly connected to the bottom of the grinding disc (6); the outer surfaces of the first barrel (4) and the second barrel (5) are respectively fixedly connected with a discharge barrel (7); the tops of the first barrel (4) and the second barrel (5) are respectively provided with a first protective device (8) and a second protective device (9); A protective device (9), wherein the first protective device (8) comprises two semicircular plates (81), one side of the semicircular plate (81) is symmetrically fixedly connected with an extension block (82), wherein the inner walls of the two extension blocks (82) are respectively threadedly connected with a first threaded rod (83) and a second threaded rod (84), the first threaded rod (83) and the second threaded rod (84) are fixedly connected at one end close to each other, the threads of the first threaded rod (83) and the second threaded rod (84) are of the same size and opposite directions, and the four corners of the first operating table (2) are fixedly connected with connecting rods (85), and the outer surfaces of the first threaded rod (83) and the second threaded rod (84) are respectively arranged on the inner walls of two of the connecting plates (65).
2. A preheating polishing machine for producing polyurethane controlled-release fertilizer according to claim 1, characterized in that: The outer surfaces of the first threaded rod (83) and the second threaded rod (84) are both fixedly connected to bearings (86), and the outer surfaces of the bearings (86) are fixedly connected to the inner wall of the connecting rod (85).
3. A preheating polishing machine for producing polyurethane controlled-release fertilizer according to claim 1, characterized in that: The ends of the first threaded rod (83) and the second threaded rod (84) that are away from each other are both fixedly connected to an operating block (87), and a protrusion is provided on the outer surface of the operating block (87).
4. A preheating polishing machine for producing polyurethane controlled-release fertilizer according to claim 1, characterized in that: The inner walls of the other two extension blocks (82) are slidably connected with round rods (88), and the two ends of the round rods (88) are respectively fixedly connected to one side of the other two connecting rods (85).
5. A preheating polishing machine for producing polyurethane controlled-release fertilizer according to claim 1, characterized in that: A rubber strip (89) is provided on one side of the two semicircular plates (81) that are close to each other, and one side of the rubber strip (89) is fixedly connected to one side of the semicircular plates (81).
6. A preheating polishing machine for producing polyurethane controlled-release fertilizer according to claim 1, characterized in that: The second protection device (9) comprises a protection plate (91), the protection plate (91) is arranged on the top of the second barrel (5), and an auxiliary groove (92) is formed on the top of the protection plate (91).
7. A preheating polishing machine for producing polyurethane controlled-release fertilizer according to claim 6, characterized in that: The outer surface of the protective plate (91) is symmetrically fixedly connected with a circular hole block (93), the inner wall of the circular hole block (93) is inserted with a threaded pin (94), one end of the threaded pin (94) is fixedly connected with a fixed block (95), and one side of the two fixed blocks (95) is symmetrically fixedly connected to the outer surface of the second barrel (5).
8. A preheating polishing machine for producing polyurethane controlled-release fertilizer according to claim 7, characterized in that: The top of the fixed block (95) is fixedly connected to a U-shaped block (97), and the outer surface of the circular hole block (93) is inserted into the inner wall of the U-shaped block (97).