Granulator with high yield

Abstract

The utility model discloses a pelletizer with high yield, which belongs to the related technical field of pelletizers and comprises a worktable, and a pelletizing mechanism for performing hot melting pelletizing on materials is mounted at the top of the worktable; the workbench is provided with a circulating feeding mechanism for providing raw materials for the granulation mechanism; the workbench is provided with a screening mechanism for automatically screening unqualified products; the screening mechanism comprises a screening assembly and a cooling box; the screening assembly is installed under the granulation mechanism, and the cooling box is installed under the screening assembly. By means of the mode, the structure can conduct circulating granulation and automatic collection on unqualified products for secondary granulation hot melting, meanwhile, the whole material conveying process is closed, no powder overflows, dust can be prevented from polluting the working environment, loss of raw materials can be reduced, and the utilization rate of the raw materials is increased; according to the structure, through two times of screening, large unqualified products and small unqualified products can be removed at the same time, and the qualified rate of the products is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field related to granulators, in particular to a granulator with a high yield. Background Art

[0002] Polytetrafluoroethylene is a commonly used high molecular polymer. In industry, polytetrafluoroethylene granules increase the volume density of polytetrafluoroethylene powder and promote the improvement of flow properties.

[0003] Chinese patent CN215319869U discloses a granulator for the production and processing of polytetrafluoroethylene, whose structure includes a granulator body, a material receiving component, a cooling component and a screening component. Through the heat exchange part and the electrically controlled condenser, the cooled gas is transported to the cooling chamber through the exhaust pipe, which can absorb the heat carried by the finished product. Subsequently, the finished product after cooling is transported to the screening chamber through the material discharge pipe to ensure the qualified rate of the finished product.

[0004] However, its structure cools the material before screening. The cooling of unqualified products during the cooling process will increase the energy consumption of the cooling device, resulting in energy waste. Secondly, its structure cannot automatically circulate and granulate unqualified products, and secondary processing is required after collection.

[0005] Based on this, the utility model designs a granulator with high yield to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a granulator with a high yield.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A granulator with a high yield rate comprises a workbench, on the top of which is installed a granulation mechanism for hot-melt granulation of materials;

[0009] The workbench is equipped with a circulating feeding mechanism for supplying raw materials to the granulation mechanism;

[0010] The workbench is equipped with a screening mechanism for automatically screening out unqualified products;

[0011] The screening mechanism comprises a screening component and a cooling box; the screening component is installed directly below the granulating mechanism, and the cooling box is installed directly below the screening component.

[0012] Furthermore, the granulation mechanism includes a first motor, a mounting barrel, a spiral rod, a cutting assembly and a heating plate; the first motor and the mounting barrel are fixedly connected to the top of the workbench, the first motor is located directly to the right of the mounting barrel, the spiral rod and the heating plate are located inside the mounting barrel, the output end of the first motor passes through the mounting barrel and is fixedly connected to the right end of the spiral rod, the left side of the mounting barrel is fixedly connected to the cutting assembly; the top of the mounting barrel is fixedly connected to a circulating feeding mechanism.

[0013] Furthermore, the heating plate is in a cylindrical shape, the heating plate is fixedly connected to the inner wall of the mounting tube, and the spiral rod is installed inside the heating plate.

[0014] Furthermore, the cutting assembly includes an L-shaped connecting plate, a fixing ring, a second motor, a cutting tool and a orifice plate; the top, front and rear sides of the mounting cylinder are fixedly connected with the L-shaped connecting plate, one end of the L-shaped connecting plate is fixedly connected to the mounting cylinder, the other end of the L-shaped connecting plate is fixedly connected to the fixing ring, the fixing ring is fixedly connected to the second motor, the output end of the second motor is fixedly connected with the cutting tool, the orifice plate is fixedly connected to the left end of the mounting cylinder, and the cutting tool is movably connected to the left side of the orifice plate; the orifice plate is located directly above the screening assembly.

[0015] Furthermore, the circulating feeding mechanism includes a centrifugal fan, a first feeding pipe, a circulating feeding assembly, a third feeding pipe and a storage tank; the input end of the centrifugal fan is connected to the first feeding pipe and the circulating feeding assembly, the output end of the centrifugal fan is connected to one end of the third feeding pipe, the other end of the third feeding pipe is connected to the inlet of the storage tank, the storage tank is fixedly connected to the top of the workbench, and the outlet of the storage tank is connected to the mounting cylinder.

[0016] Furthermore, the circulating feeding assembly includes a second feeding pipe and a hollow ferrule; one end of the second feeding pipe is connected to the input end of the centrifugal fan, and the other end of the second feeding pipe is connected to the hollow ferrule, and the hollow ferrule is sleeved on the screening mechanism.

[0017] Furthermore, the screening component includes a first screening plate, a second screening plate, a collecting plate and a vibration plate; the first screening plate, the second screening plate and the collecting plate are fixedly connected to the top of the vibration plate, the first screening plate is located directly above the second screening plate, and the second screening plate is located directly above the collecting plate; qualified products can pass through the first screening plate but cannot pass through the second screening plate; the first screening plate is located directly below the orifice plate.

[0018] Furthermore, the screening component also includes a feed tray and an inclined feed port; the first screening tray, the second screening tray and the collecting tray are all fixedly connected with the feed tray, the discharge port of the feed tray to which the first screening tray and the collecting tray are fixedly connected is biased toward the rear side, and the discharge port of the feed tray to which the first screening tray and the collecting tray are fixedly connected is fixedly connected with the inclined feed port; the two inclined feed ports are both inserted into the hollow ferrule; the discharge port of the feed tray to which the second screening tray is fixedly connected is biased toward the front side, and the discharge port of the feed tray to which the second screening tray is fixedly connected is located directly above the cooling box.

[0019] The utility model has the following technical effects:

[0020] 1. The utility model starts the centrifugal fan of the circulating feeding mechanism, the input end of the centrifugal fan sucks the raw materials from the first feeding pipe, and at the same time sucks the unqualified products eliminated by the screening mechanism through the second feeding pipe of the circulating feeding assembly, the centrifugal fan outputs the raw materials and the unqualified products to the feeding port of the storage tank through the third feeding pipe, the storage tank transports the raw materials to the inside of the mounting cylinder of the granulating mechanism through the discharge port, the hollow ferrule is used to be tightly sleeved with the screening mechanism to prevent dust and impurities from entering the second feeding pipe; the structure can circulate granulate the unqualified products, automatically collect them for secondary granulation and hot melting, at the same time, the feeding process is completely closed, there is no powder overflow, dust pollution of the working environment can be prevented, the loss of raw materials can be reduced, and the utilization rate of raw materials is improved.

[0021] 2. The orifice plate of the cutting assembly of the granulation mechanism of the utility model conveys product particles downward, and the vibrating plate of the screening assembly of the screening mechanism is started, and the product particles fall on the first screening plate, and large unqualified products cannot pass through the screening, and enter the hollow ferrule of the circulating feeding assembly of the circulating feeding mechanism through the inclined discharge port after passing through the discharge plate of the first screening plate, and qualified products and small unqualified products can fall to the surface of the second screening plate through screening, and after screening by the second screening plate, qualified products cannot pass through the second screening plate, and are output to the cooling box by the discharge plate of the second screening plate, and small unqualified products can fall to the surface of the collecting plate through the second screening plate, and enter the hollow ferrule through the inclined discharge port connected to the collecting plate; this structure can remove large unqualified products and small unqualified products at the same time through two screenings, thereby ensuring the qualified rate of the products, and at the same time only conveying qualified products to the cooling device, reducing energy waste.

[0022] 3. The utility model injects raw materials into the mounting barrel of the granulation mechanism through the circulating feeding mechanism, starts the first motor, the first motor drives the spiral rod to rotate, the spiral rod drives the raw materials to move to the left side, the raw materials are gradually melted under the heating of the heating plate, and when the raw materials are transported to the orifice plate of the cutting assembly, the second motor is started, the raw materials pass through the holes of the orifice plate into a sound strip shape, the second motor drives the cutting tool to rotate, and the strip-shaped raw materials are cut into short cylindrical shapes by the cutting tool; in this process, the L-shaped connecting plate and the fixing ring are used to fix the second motor; when in use, the structure can realize the generation of granules. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 The three-dimensional Figure 1 ;

[0025] Figure 2 It is a front view of the utility model;

[0026] Figure 3 The three-dimensional Figure 2 ;

[0027] Figure 4 For along Figure 2 AA direction cross-sectional view;

[0028] Figure 5 It is an enlarged view of the screening component of the screening mechanism of the utility model;

[0029] Figure 6 It is an enlarged view of the cutting assembly of the present utility model.

[0030] The numbers in the figure represent:

[0031] 1. Workbench; 2. Granulation mechanism; 21. First motor; 22. Mounting cylinder; 23. Screw rod; 24. Cutting assembly; 241. L-shaped connecting plate; 242. Fixing ring; 243. Second motor; 244. Cutting tool; 245. Orifice plate; 25. Heating plate; 3. Circulating feeding mechanism; 31. Centrifugal fan; 32. First feeding pipe; 33. Circulating feeding assembly; 331. Second feeding pipe; 332. Hollow ferrule; 34. Third feeding pipe; 35. Storage tank; 4. Screening mechanism; 41. Screening assembly; 411. First screening plate; 412. Second screening plate; 413. Collecting plate; 414. Discharging plate; 415. Inclined discharging port; 416. Vibrating plate; 42. Cooling box. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model is further described below in conjunction with embodiments.

[0034] In the following description, the terms “left”, “right”, “front”, “back”, “up” and “down” are used to refer to Figure 2 The viewing direction is oriented.

[0035] Please refer to the instruction manual Figure 1-6 , a granulator with high yield, comprising a workbench 1;

[0036] A granulation mechanism 2 for hot-melt granulation of materials is installed on the top of the workbench 1;

[0037] The granulation mechanism 2 includes a first motor 21, a mounting cylinder 22, a screw rod 23, a cutting assembly 24 and a heating plate 25; the first motor 21 and the mounting cylinder 22 are fixedly connected to the top of the workbench 1, the first motor 21 is located directly to the right of the mounting cylinder 22, the screw rod 23 and the heating plate 25 are located inside the mounting cylinder 22, the output end of the first motor 21 passes through the mounting cylinder 22 and is fixedly connected to the right end of the screw rod 23, the left side of the mounting cylinder 22 is fixedly connected with the cutting assembly 24; the top of the mounting cylinder 22 is fixedly connected with a circulating feeding mechanism 3;

[0038] Preferably, the heating plate 25 is cylindrical, the heating plate 25 is fixedly connected to the inner wall of the mounting tube 22, and the spiral rod 23 is installed inside the heating plate 25; this structure can realize the installation of the heating plate 25 and the spiral rod 23, and can improve the heating efficiency;

[0039] The cutting assembly 24 includes an L-shaped connecting plate 241, a fixing ring 242, a second motor 243, a cutting tool 244 and a perforated plate 245; the top, front side and rear side of the mounting cylinder 22 are fixedly connected with the L-shaped connecting plate 241, one end of the L-shaped connecting plate 241 is fixedly connected to the mounting cylinder 22, the other end of the L-shaped connecting plate 241 is fixedly connected to the fixing ring 242, the fixing ring 242 is fixedly connected to the second motor 243, the output end of the second motor 243 is fixedly connected with the cutting tool 244, the perforated plate 245 is fixedly connected to the left end of the mounting cylinder 22, and the cutting tool 244 is movably connected to the left side of the perforated plate 245; the perforated plate 245 is located directly above the screening mechanism 4;

[0040] When in use, raw materials are injected into the mounting cylinder 22 of the granulation mechanism 2 through the circulating feeding mechanism 3, and the first motor 21 is started. The first motor 21 drives the screw rod 23 to rotate, and the screw rod 23 drives the raw materials to move to the left. The raw materials are gradually melted under the heating of the heating plate 25. When the raw materials are transported to the orifice plate 245 of the cutting assembly 24, the second motor 243 is started, and the raw materials pass through the hole-shaped sound strip of the orifice plate 245. The second motor 243 drives the cutting tool 244 to rotate, and the strip-shaped raw materials are cut into short cylindrical shapes by the cutting tool 244; in this process, the L-shaped connecting plate 241 and the fixing ring 242 are used to fix the second motor 243; when in use, this structure can realize the generation of granules;

[0041] The workbench 1 is equipped with a circulating feeding mechanism 3 for supplying raw materials to the granulating mechanism 2;

[0042] The circulating feeding mechanism 3 includes a centrifugal fan 31, a first feeding pipe 32, a circulating feeding assembly 33, a third feeding pipe 34 and a storage tank 35; the input end of the centrifugal fan 31 is connected to both the first feeding pipe 32 and the circulating feeding assembly 33, the output end of the centrifugal fan 31 is connected to one end of the third feeding pipe 34, the other end of the third feeding pipe 34 is connected to the inlet of the storage tank 35, the storage tank 35 is fixedly connected to the top of the workbench 1, and the outlet of the storage tank 35 is connected to the mounting cylinder 22;

[0043] The circulating feeding assembly 33 includes a second feeding pipe 331 and a hollow ferrule 332; one end of the second feeding pipe 331 is connected to the input end of the centrifugal fan 31, and the other end of the second feeding pipe 331 is connected to the hollow ferrule 332, and the hollow ferrule 332 is sleeved on the screening mechanism 4;

[0044] When in use, the centrifugal fan 31 of the circulating feeding mechanism 3 is started, and the input end of the centrifugal fan 31 sucks the raw materials from the first feeding pipe 32, and at the same time sucks the unqualified products eliminated by the screening mechanism 4 through the second feeding pipe 331 of the circulating feeding assembly 33, and the centrifugal fan 31 outputs the raw materials and unqualified products to the feeding port of the storage tank 35 through the third feeding pipe 34, and the storage tank 35 transports the raw materials to the inside of the mounting cylinder 22 of the granulation mechanism 2 through the discharge port, and the hollow ferrule 332 is used to be tightly sleeved with the screening mechanism 4 to prevent dust and impurities from entering the second feeding pipe 331; this structure can circulate granulation for unqualified products, automatically collect them for secondary granulation hot melting, and at the same time, the feeding process is fully closed, there is no powder overflow, dust pollution of the working environment can be prevented, and the loss of raw materials can be reduced, thereby improving the utilization rate of raw materials;

[0045] The workbench 1 is equipped with a screening mechanism 4 for automatically screening out unqualified products;

[0046] The screening mechanism 4 includes a screening component 41 and a cooling box 42; the screening component 41 is installed directly below the orifice plate 245, and the cooling box 42 is installed directly below the screening component 41;

[0047] The screening assembly 41 includes a first screening tray 411, a second screening tray 412, a collecting tray 413 and a vibrating tray 416; the first screening tray 411, the second screening tray 412 and the collecting tray 413 are fixedly connected to the top of the vibrating tray 416, the first screening tray 411 is located directly above the second screening tray 412, and the second screening tray 412 is located directly above the collecting tray 413; qualified products can pass through the first screening tray 411 but cannot pass through the second screening tray 412; the first screening tray 411 is located directly below the orifice plate 245;

[0048] The screening assembly 41 further includes a discharge tray 414 and an inclined discharge port 415; the first screening tray 411, the second screening tray 412 and the collecting tray 413 are all fixedly connected with the discharge tray 414, the discharge port of the discharge tray 414 to which the first screening tray 411 and the collecting tray 413 are fixedly connected is biased toward the rear side, and the discharge port of the discharge tray 414 to which the first screening tray 411 and the collecting tray 413 are fixedly connected is fixedly connected with the inclined discharge port 415; the two inclined discharge ports 415 are both inserted into the hollow ferrule 332; the discharge port of the discharge tray 414 to which the second screening tray 412 is fixedly connected is biased toward the front side, and the discharge port of the discharge tray 414 to which the second screening tray 412 is fixedly connected is located directly above the cooling box 42;

[0049] When in use, the orifice plate 245 of the cutting assembly 24 of the granulating mechanism 2 conveys product particles downward, and the vibrating plate 416 of the screening assembly 41 of the screening mechanism 4 is started, and the product particles fall on the first screening plate 411. Large unqualified products cannot pass the screening, and after passing through the discharge plate 414 of the first screening plate 411, they enter the hollow ferrule 332 of the circulating feeding assembly 33 of the circulating feeding mechanism 3 through the inclined discharge port 415. Qualified products and small unqualified products can pass through the screening and fall to the surface of the second screening plate 412. 412 screening, qualified products cannot pass through the second screening plate 412, and are output to the cooling box 42 by the discharge plate 414 of the second screening plate 412, and small unqualified products can fall to the surface of the collecting plate 413 through the second screening plate 412, and enter the hollow ferrule 332 through the inclined discharge port 415 connected to the collecting plate 413; this structure can remove large unqualified products and small unqualified products at the same time through two screenings, thereby ensuring the qualified rate of the products, and at the same time only conveying qualified products to the cooling device, reducing energy waste.

[0050] Its structure cannot automatically circulate and granulate unqualified products, and secondary treatment is required after collection.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A granulator with a high yield rate, comprising a workbench (1), characterized in that: A granulation mechanism (2) for hot-melt granulation of materials is installed on the top of the workbench (1); The workbench (1) is equipped with a circulating feeding mechanism (3) for supplying raw materials to the granulation mechanism (2); The workbench (1) is equipped with a screening mechanism (4) for automatically screening out unqualified products; The screening mechanism (4) comprises a screening component (41) and a cooling box (42); the screening component (41) is installed directly below the granulating mechanism (2), and the cooling box (42) is installed directly below the screening component (41).

2. The granulator with high yield rate according to claim 1, characterized in that: The granulating mechanism (2) comprises a first motor (21), a mounting cylinder (22), a screw rod (23), a cutting assembly (24) and a heating plate (25); the first motor (21) and the mounting cylinder (22) are fixedly connected to the top of the workbench (1), the first motor (21) is located directly to the right of the mounting cylinder (22), the screw rod (23) and the heating plate (25) are located inside the mounting cylinder (22), the output end of the first motor (21) passes through the mounting cylinder (22) and is fixedly connected to the right end of the screw rod (23), and the left side of the mounting cylinder (22) is fixedly connected to the cutting assembly (24); the top of the mounting cylinder (22) is fixedly connected to the circulating feeding mechanism (3).

3. The granulator with high yield rate according to claim 2, characterized in that: The heating plate (25) is cylindrical and fixedly connected to the inner wall of the mounting tube (22). The spiral rod (23) is installed inside the heating plate (25).

4. The granulator with high yield rate according to claim 3, characterized in that: The cutting assembly (24) comprises an L-shaped connecting plate (241), a fixing ring (242), a second motor (243), a cutting tool (244) and a perforated plate (245); the top, front side and rear side of the mounting cylinder (22) are fixedly connected with the L-shaped connecting plate (241); one end of the L-shaped connecting plate (241) is fixedly connected to the mounting cylinder (22); the other end of the L-shaped connecting plate (241) is fixedly connected to the fixing ring (242); the fixing ring (242) is fixedly connected to the second motor (243); the output end of the second motor (243) is fixedly connected with the cutting tool (244); the perforated plate (245) is fixedly connected to the left end of the mounting cylinder (22); the cutting tool (244) is movably connected to the left side of the perforated plate (245); the perforated plate (245) is located directly above the screening assembly (41).

5. The granulator with high yield according to claim 4, characterized in that: The circulating feeding mechanism (3) comprises a centrifugal fan (31), a first feeding pipe (32), a circulating feeding assembly (33), a third feeding pipe (34) and a storage tank (35); the input end of the centrifugal fan (31) is connected to both the first feeding pipe (32) and the circulating feeding assembly (33), the output end of the centrifugal fan (31) is connected to one end of the third feeding pipe (34), the other end of the third feeding pipe (34) is connected to the feed inlet of the storage tank (35), the storage tank (35) is fixedly connected to the top of the workbench (1), and the discharge port of the storage tank (35) is connected to the mounting cylinder (22).

6. The granulator with high yield according to claim 5, characterized in that: The circulating feeding assembly (33) comprises a second feeding pipe (331) and a hollow ferrule (332); one end of the second feeding pipe (331) is connected to the input end of the centrifugal fan (31), and the other end of the second feeding pipe (331) is connected to the hollow ferrule (332), and the hollow ferrule (332) is sleeved on the screening mechanism (4).

7. The granulator with high yield rate according to claim 6, characterized in that: The screening component (41) comprises a first screening tray (411), a second screening tray (412), a collecting tray (413) and a vibrating tray (416); the first screening tray (411), the second screening tray (412) and the collecting tray (413) are fixedly connected to the top of the vibrating tray (416); the first screening tray (411) is located directly above the second screening tray (412), and the second screening tray (412) is located directly above the collecting tray (413); qualified products can pass through the first screening tray (411) but cannot pass through the second screening tray (412); the first screening tray (411) is located directly below the orifice plate (245).

8. The granulator with high yield rate according to claim 7, characterized in that: The screening component (41) further comprises a discharge tray (414) and an inclined discharge port (415); the first screening tray (411), the second screening tray (412) and the collecting tray (413) are all fixedly connected with the discharge tray (414); the discharge port of the discharge tray (414) to which the first screening tray (411) and the collecting tray (413) are fixedly connected is biased toward the rear side; the discharge port of the discharge tray (414) to which the first screening tray (411) and the collecting tray (413) are fixedly connected is both fixedly connected with the inclined discharge port (415); the two inclined discharge ports (415) are both inserted into the interior of the hollow ferrule (332); the discharge port of the discharge tray (414) to which the second screening tray (412) is fixedly connected is biased toward the front side; the discharge port of the discharge tray (414) to which the second screening tray (412) is fixedly connected is located directly above the cooling box (42).

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