Negative pressure chain belt drying machine

Abstract

The utility model discloses a negative pressure chain belt drying machine which comprises a belt type drying machine body and a belt conveyor and further comprises a laying assembly, the laying assembly comprises a U-shaped fixed frame and a movable frame, the movable frame is installed in the middle of the bottom end of the inner wall of the U-shaped fixed frame in a sliding mode, and an auxiliary assembly used for disassembling and assembling the U-shaped fixed frame is arranged on the U-shaped fixed frame. The bottom end of the inner wall of the movable frame is provided with a plurality of semicircular material guide barrels distributed at equal intervals, and spiral material conveying rods used for conveying stored materials are rotationally installed in the semicircular material guide barrels. The laying assembly is arranged on the belt dryer body, materials put on the belt conveyor can be automatically arranged in a separation and shaking combined mode, and the arranged materials are evenly spread on a mesh belt; and the auxiliary assembly is arranged on the U-shaped fixing frame, so that the U-shaped fixing frame can be conveniently and rapidly disassembled by a worker, and subsequent cleaning and maintenance work can be conveniently carried out.

Description

Technical Field

[0001] The utility model belongs to the technical field of dryers, and in particular relates to a negative pressure chain belt dryer. Background Art

[0002] Belt dryer is a continuous drying equipment used for batch production. It is used to dry flake, strip and granular materials with good air permeability. It has the advantages of fast drying speed, high evaporation intensity and good product quality.

[0003] During the use of the existing belt dryer, especially when drying small and dense materials, the material loading is generally completed by using a belt conveyor. During this period, since the materials on the belt conveyor are still added manually, it is easy for the conveyed materials to be locally clumped, and such locally clumped materials will eventually be directly conveyed to the mesh belt of the belt dryer. In addition, the existing belt dryer generally does not have the function of re-arranging the materials with such a phenomenon, so it is easy for the materials to be unevenly dried. For this reason, a negative pressure chain belt dryer is provided. Utility Model Content

[0004] The utility model aims to provide a negative pressure chain belt dryer to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a negative pressure chain belt dryer, comprising a belt dryer body and a belt conveyor, and also comprising: a laying component for arranging the put materials, the laying component comprising a U-shaped fixed frame and a movable frame, the movable frame is slidably installed in the middle of the bottom end of the inner wall of the U-shaped fixed frame, the U-shaped fixed frame is provided with an auxiliary component for disassembling and assembling the U-shaped fixed frame, the bottom end of the inner wall of the movable frame is provided with a plurality of semicircular material guide barrels distributed at equal intervals, and a spiral feed rod for conveying the stored materials is rotatably installed inside the semicircular material guide barrel.

[0006] Preferably, the semicircular material guide cylinder is connected to the movable frame, a belt gear is fixedly provided on the outer wall of the spiral feed rod, and the plurality of belt gears are driven by a toothed belt, and the outer end of one group of the spiral feed rods is connected and assembled to the output end of the external first drive motor via a coupling.

[0007] Preferably, a movable opening is formed through the outer end of the U-shaped fixing frame, and a cam is rotatably installed inside the movable opening, and the top end of the cam is connected and assembled with the output end of the second driving motor above via a reducer.

[0008] Preferably, a plurality of guide grooves distributed at equal intervals are formed through the bottom end of the U-shaped fixing frame, a guide block is fixedly provided at the bottom end of the movable frame and at the position of each guide groove, a guide rod is fixedly provided inside the guide groove, and return springs are provided at both ends of the outer wall of the guide rod, and the two ends of the return spring are respectively connected to the guide block and the U-shaped fixing frame.

[0009] Preferably, a screening frame for screening materials is detachably mounted in the middle of the top end of the movable frame.

[0010] Preferably, the auxiliary component includes supporting plug plates fixedly mounted at both ends of the bottom of the U-shaped fixing frame, and a plug plate seat slidably arranged at the bottom of the supporting plug plates, the plug plate seat is fixedly mounted on the belt dryer body, a mounting opening is opened in the middle of the outer wall of the plug plate seat, and an anti-slip eccentric wheel is rotatably arranged on the mounting opening through an eccentric shaft, and a power assist rod is fixedly arranged on the outer wall of the anti-slip eccentric wheel.

[0011] The negative pressure chain belt dryer of the utility model has the following advantages:

[0012] 1. The utility model is provided with a laying component on the belt dryer body, and can automatically sort the materials put on the belt conveyor by using separation and shaking, and evenly spread the sorted materials on the mesh belt. In this way, the possibility of local agglomeration of materials on the mesh belt can be reduced, and uniform drying can be ensured. In addition, by setting a screening frame, impurities mixed in the material can be intercepted to ensure the overall quality of the material.

[0013] 2. The utility model provides auxiliary components on the U-shaped fixing frame, which makes it easy for workers to quickly disassemble the U-shaped fixing frame and facilitate subsequent cleaning and maintenance work. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a side view of the local structure of the utility model Figure 1 ;

[0017] Figure 3 This is a side view of the local structure of the utility model Figure 2;

[0018] Figure 4 This is a side view of the local structure of the utility model Figure 3 .

[0019] Explanation of marks in the figure: 1. Belt dryer body; 2. Belt conveyor; 3. Laying assembly; 301. Screening frame; 302. U-shaped fixed frame; 303. Movable frame; 304. Belt gear; 305. Toothed belt; 306. First drive motor; 307. Cam; 308. Speed ​​reducer; 309. Second drive motor; 310. Spiral feed rod; 311. Semicircular guide barrel; 312. Guide groove; 313. Guide block; 314. Reset spring; 315. Guide rod; 4. Auxiliary assembly; 401. Support plug plate; 402. Plug plate seat; 403. Eccentric shaft; 404. Anti-slip eccentric wheel; 405. Power assist rod. DETAILED DESCRIPTION

[0020] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0024] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] In order to better understand the purpose, structure and function of the utility model, the negative pressure chain belt dryer of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] like Figure 1-4 As shown, a negative pressure chain belt dryer of the utility model includes a belt dryer body 1 and a belt conveyor 2. The belt conveyor 2 is used to put materials onto the mesh belt of the belt dryer body 1. As a prior art, it is not described in detail in this case. The equipment also includes: a laying component 3 for arranging the put materials. Specifically, the laying component 3 includes a U-shaped fixed frame 302 and a movable frame 303. The movable frame 303 is slidably installed in the middle of the bottom end of the inner wall of the U-shaped fixed frame 302 for spreading the materials. The U-shaped fixed frame 302 is provided with an auxiliary component 4 for disassembling and assembling the U-shaped fixed frame 302.

[0027] Specifically, a screening frame 301 for screening materials is detachably installed in the middle of the top of the movable frame 303, and a plurality of semicircular material guide barrels 311 distributed at equal intervals are arranged at the bottom of the inner wall of the movable frame 303 for storing materials. The semicircular material guide barrel 311 is connected to the movable frame 303, and a spiral feed rod 310 for conveying the stored materials is rotatably installed inside the semicircular material guide barrel 311, and a belt gear 304 is fixedly arranged on the outer wall of the spiral feed rod 310, and a plurality of belt gears 304 are driven by a toothed belt 305, and the outer end of one group of spiral feed rods 310 is connected to the output end of an external first drive motor 306 through a coupling, and the first drive motor 306 is installed on the movable frame 303, and a movable opening is penetrated through the outer end of the U-shaped fixed frame 302, and a cam 307 is rotatably installed inside the movable opening for conveying the stored materials. The movable frame 303 is pushed, and the top end of the cam 307 is connected and assembled with the output end of the second driving motor 309 above through the reducer 308. The reducer 308 and the second driving motor 309 are both installed on the U-shaped fixed frame 302. The bottom end of the U-shaped fixed frame 302 is penetrated by a plurality of guide grooves 312 distributed at equal intervals. The bottom end of the movable frame 303 and each guide groove 312 are fixedly provided with a guide block 313 for driving the movable frame 303 to move synchronously. The inside of the guide groove 312 is fixedly provided with a guide rod 315, and the two ends of the outer wall of the guide rod 315 are provided with a reset spring 314 for driving the guide block 313 to reset the movable frame 303, so as to shake the movable frame 303. The two ends of the reset spring 314 are respectively connected with the guide block 313 and the U-shaped fixed frame 302, and the guide block 313 is slidably set on the guide rod 315.

[0028] Furthermore, the auxiliary component 4 includes a supporting plug plate 401 fixedly mounted at both ends of the bottom of the U-shaped fixing frame 302, and a plug plate seat 402 slidably arranged at the bottom of the supporting plug plate 401, the plug plate seat 402 is fixedly mounted on the belt dryer body 1, a mounting opening is opened in the middle of the outer wall of the plug plate seat 402, and an anti-skid eccentric wheel 404 is rotatably arranged on the mounting opening through an eccentric shaft 403, which is used to press the outer wall of the supporting plug plate 401 to increase the friction at the joint, and a power assist rod 405 is fixedly arranged on the outer wall of the anti-skid eccentric wheel 404 to facilitate the staff to rotate the anti-skid eccentric wheel 404, the eccentric shaft 403 is located inside the anti-skid eccentric wheel 404 and away from the center of the anti-skid eccentric wheel 404, and the outer wall of the anti-skid eccentric wheel 404 is in contact with the outer wall of the supporting plug plate 401.

[0029] According to the above, the utility model is provided with a laying component 3 on the belt dryer body 1, and can automatically sort the materials placed on the belt conveyor 2 by using a separation and shaking method, and evenly spread the sorted materials on the mesh belt. In this way, the possibility of local agglomeration of materials on the mesh belt can be reduced to ensure uniform drying. In addition, by setting a screening frame 301, impurities mixed in the material can be intercepted to ensure the overall quality of the material; the utility model is provided with an auxiliary component 4 on the U-shaped fixing frame 302, which is convenient for the staff to quickly disassemble the U-shaped fixing frame 302, and facilitates the subsequent cleaning and maintenance work.

[0030] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A negative pressure chain belt dryer, comprising a belt dryer body (1) and a belt conveyor (2), characterized in that: Also includes: A laying component (3) for arranging the placed materials, the laying component (3) comprising a U-shaped fixed frame (302) and a movable frame (303), the movable frame (303) being slidably mounted at the middle of the bottom end of the inner wall of the U-shaped fixed frame (302), the U-shaped fixed frame (302) being provided with an auxiliary component (4) for disassembling and assembling the U-shaped fixed frame (302), the bottom end of the inner wall of the movable frame (303) being provided with a plurality of semicircular material guide cylinders (311) distributed at equal intervals, a spiral feed rod (310) for conveying the stored materials being rotatably mounted inside the semicircular material guide cylinder (311).

2. A negative pressure chain belt dryer according to claim 1, characterized in that: The semicircular material guide cylinder (311) is connected to the movable frame (303), a belt gear (304) is fixedly provided on the outer wall of the spiral feed rod (310), and a plurality of the belt gears (304) are driven by a toothed belt (305), and the outer end of one group of the spiral feed rods (310) is connected and assembled with the output end of an external first drive motor (306) via a coupling.

3. The negative pressure chain belt dryer according to claim 1, characterized in that: The outer end of the U-shaped fixing frame (302) is penetrated by a movable opening, and a cam (307) is rotatably installed inside the movable opening. The top end of the cam (307) is connected and assembled with the output end of the second driving motor (309) above via a reducer (308).

4. The negative pressure chain belt dryer according to claim 1, characterized in that: The bottom end of the U-shaped fixed frame (302) is penetrated by a plurality of guide grooves (312) distributed at equal intervals, the bottom end of the movable frame (303) is fixedly provided with a guide block (313) at the position of each guide groove (312), a guide rod (315) is fixedly provided inside the guide groove (312), and return springs (314) are provided at both ends of the outer wall of the guide rod (315), and the two ends of the return spring (314) are respectively connected to the guide block (313) and the U-shaped fixed frame (302).

5. The negative pressure chain belt dryer according to claim 1, characterized in that: A screening frame (301) for screening materials is detachably mounted in the middle of the top end of the movable frame (303).

6. The negative pressure chain belt dryer according to claim 1, characterized in that: The auxiliary component (4) comprises a support plug plate (401) fixedly mounted at both ends of the bottom of the U-shaped fixing frame (302), and a plug plate seat (402) slidably mounted at the bottom of the support plug plate (401); the plug plate seat (402) is fixedly mounted on the belt dryer body (1); a mounting opening is provided in the middle of the outer wall of the plug plate seat (402); an anti-skid eccentric wheel (404) is rotatably mounted on the mounting opening via an eccentric shaft (403); and a power assist rod (405) is fixedly mounted on the outer wall of the anti-skid eccentric wheel (404).

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