Vacuum belt dryer with lifting and cleaning integrated structure

Abstract

The utility model discloses a vacuum belt dryer with a lifting and cleaning integrated structure, which comprises a conveying belt, a cleaning lifting component and a cleaning sliding support component, the cleaning lifting assembly comprises a lifting frame and a lifting driver used for driving the lifting frame to operate. The lifting frame comprises at least one first cross rod and a plurality of first nozzles arranged on the corresponding first cross rods, and the first nozzles are used for cleaning the non-working face of the conveying belt. The cleaning sliding supporting assembly is used for supporting the lifting frame and communicates with the multiple first nozzles. The conveying belt is further connected with a tensioning driver. The utility model aims to enable the interior of the drying machine to be cleaned more thoroughly and the cleaning efficiency to be higher.

Description

Technical Field

[0001] The utility model relates to the technical field of dryers, in particular to a vacuum belt dryer with a lifting and cleaning integrated structure. Background Art

[0002] At present, after a batch of production is completed, product powder is likely to remain on the surface of the heating plate and conveyor belt of the vacuum belt dryer, so the conveyor belt and heating plate of the belt dryer need to be cleaned online before the next production. Since the heating plate layer of the belt dryer is covered by the conveyor belt when it is working, the conveyor belt needs to be lifted and then sprayed for cleaning during online cleaning. At present, the online cleaning devices in the belt dryer are all cleaned through fixed pipes combined with spray balls or nozzles. The central area of ​​the heating plate and the bottom area of ​​the conveyor belt cannot be cleaned, the cleaning coverage rate is low, there is a risk of cross contamination, and the product quality cannot be ensured. The existing utility model patent with patent publication number CN109047106A discloses an online CIP cleaning device for a vacuum belt dryer, which sets the cleaning nozzle around the heating plate. Although the area between the conveyor belt and the heating plate can be cleaned, there is still a situation where the cleaning is not in place, and it is urgent to propose a more thorough cleaning device. Utility Model Content

[0003] The main purpose of the utility model is to provide a vacuum belt dryer with a lifting and cleaning integrated structure, aiming to solve the technical problem that some areas of the conveyor belt in the existing dryer are not cleaned properly.

[0004] To achieve the above-mentioned purpose, the utility model provides a vacuum belt dryer with a lifting and cleaning integrated structure, the dryer comprising a conveyor belt, a cleaning lifting assembly and a cleaning sliding support assembly;

[0005] The cleaning and lifting assembly includes a lifting frame and a lifting driver for driving the lifting frame to operate;

[0006] The lifting frame comprises at least one first crossbar and a plurality of first nozzles arranged on the corresponding first crossbar, each first nozzle being used for cleaning the non-working surface of the conveyor belt;

[0007] The cleaning sliding support assembly is used to support the lifting frame and is connected to the plurality of first nozzles;

[0008] The conveyor belt is also connected with a tensioning driver.

[0009] Optionally, the lifting frame further comprises a suspension frame spanning the conveyor belt and connecting vertical rods located on both sides of the lower end of the suspension frame;

[0010] Each first cross bar is located between two connecting vertical bars, and the connecting vertical bars and the first cross bars are both hollow structures and are interconnected;

[0011] Each first cross bar is located between two non-working surfaces of the corresponding conveyor belt, and the connecting vertical bars are respectively connected to the corresponding cleaning sliding support assemblies;

[0012] The upper end of the suspension frame is connected to the lifting driver.

[0013] Optionally, the cleaning sliding support assembly includes a fixed cavity, a sliding tube and a cleaning liquid inlet pipe arranged in the fixed cavity, the sliding tube and the cleaning liquid inlet pipe are connected by a piston seal, and the sliding tube is connected to a corresponding connecting vertical rod.

[0014] Optionally, the dryer further comprises a plurality of auxiliary cleaning components, each of which is distributed on both sides of the conveyor belt.

[0015] Optionally, the dryer further comprises a plurality of groups of guide wheels, each group of guide wheels is slidably connected to a corresponding connecting vertical rod, and the plurality of groups of guide wheels are fixed on adjacent auxiliary cleaning components.

[0016] Optionally, the auxiliary cleaning assembly includes a trapezoidal fixing frame and a plurality of second nozzles mounted on the trapezoidal fixing frame.

[0017] Optionally, the trapezoidal fixing frame includes two vertical support columns and a plurality of second cross bars connecting the two vertical support columns, and each second nozzle is evenly distributed on a corresponding second cross bar.

[0018] Optionally, each vertical support column and the connected second cross bar are hollow structures and are interconnected, and each vertical support column is connected to a corresponding cleaning liquid storage device.

[0019] Optionally, a connecting shaft is provided between the lifting frame and the lifting drive.

[0020] Optionally, the lifting drive is a lifting cylinder, and the tensioning drive is a tensioning cylinder; a heating plate is also provided under the conveyor belt.

[0021] Beneficial effects:

[0022] In the vacuum belt dryer with a lifting and cleaning integrated structure of the utility model, the cleaning nozzle is embedded in the lifting frame of the conveyor belt, and the tensioning driver is coordinated to adjust the tightness of the conveyor belt, so as to achieve a comprehensive cleaning effect on the non-working surface of the conveyor belt, ensuring a more thorough cleaning and higher cleaning efficiency. In addition, the lifting frame is passed across the conveyor belt to further enhance the lifting and cleaning effect of the conveyor belt; the auxiliary cleaning component is set to achieve effective cleaning of the areas close to the two sides of the conveyor belt; the lifting cylinder and the guide wheel are set to control the lifting and lowering of the lifting frame as a whole, and can also achieve a smooth lifting of the conveyor belt under the support of the guide wheel. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0024] Figure 1 This is a schematic diagram of the overall structure of an embodiment of a vacuum belt dryer with a lifting and cleaning integrated structure according to the utility model;

[0025] Figure 2 for Figure 1 A schematic diagram of the structure between the conveyor belt, the cleaning lifting assembly and the cleaning sliding support assembly shown;

[0026] Figure 3 for Figure 1 A schematic diagram of the structure between the lifting frame, auxiliary cleaning components and conveyor belt shown;

[0027] Figure 4 for Figure 1 A detailed structural diagram of the cleaning and lifting assembly shown;

[0028] Figure 5 for Figure 1 A perspective view of the cleaning slide support assembly shown;

[0029] Figure 6 for Figure 5 A cross-sectional view of the cleaning sliding support assembly.

[0030] Description of Figure Numbers:

[0031]

[0032]

[0033] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with the implementation methods and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments 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.

[0035] It should be noted that all directional indications (such as up, down, etc.) in the implementation mode of the utility model are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0036] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0037] Furthermore, the technical solutions between the various implementation modes of the present invention may be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in the field. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0038] See also Figure 1-Figure 6 , Figure 1 The structure diagram of an embodiment of a vacuum belt dryer with a lifting and cleaning integrated structure provided by the utility model is shown, wherein the dryer comprises a conveyor belt 3, a cleaning lifting assembly and a cleaning sliding support assembly 4; the cleaning lifting assembly comprises a lifting frame 1 and a lifting driver 2 for driving the lifting frame 1 to operate; the lifting frame 1 comprises at least one first crossbar 13 and a plurality of first nozzles 14 arranged on the corresponding first crossbar 13, each first nozzle 14 is used to clean the non-working surface of the conveyor belt 3; the cleaning sliding support assembly 4 is used to support the lifting frame 1 and is connected to the plurality of first nozzles 14. Generally, the cleaning sliding support assembly is also connected to a cleaning liquid storage device, so that the cleaning sliding support assembly 4 can support the lifting frame 1 and transmit the cleaning liquid required for cleaning to the first nozzle 14; the conveyor belt 3 is also connected to a tensioning driver 6, preferably, the tensioning driver 6 is a tensioning cylinder, and the tensioning cylinder is used to control the tightness of the conveyor belt. The first nozzle is embedded in the lifting frame, so that the non-working surface of the conveyor belt can be cleaned, and the tightness of the conveyor belt can be adjusted by the tensioning driver, which can further improve the comprehensive cleaning effect of the conveyor belt.

[0039] Furthermore, in order to improve the cleaning effect of the conveyor belt, the lifting frame 1 is passed across the conveyor belt 3, so that the lifting frame 1 has a certain lifting effect on the conveyor belt. Specifically, Figure 4As shown, the lifting frame 1 includes a suspension frame 11 spanning the conveyor belt 3 and connecting vertical rods 12 located on both sides of the lower end of the suspension frame 11, and all first cross rods 13 are located between two connecting vertical rods 12, and the connecting vertical rods 12 and the first cross rods 13 are both hollow structures and interconnected, thereby realizing the transmission of cleaning liquid; preferably, the first cross rods 13 are located between the two non-working surfaces of the corresponding conveyor belt 3, and the connecting vertical rods 12 are respectively connected to the corresponding cleaning sliding support assemblies 4, and the first cross rods 13 can effectively improve the efficient cleaning of the non-working surface of the conveyor belt while lifting the conveyor belt.

[0040] Furthermore, the upper end of the suspension frame 11 is connected to the lifting driver 2. Preferably, the lifting driver 2 is a lifting cylinder, and the lifting and lowering of the entire lifting frame assembly is achieved through the extension and retraction of the cylinder.

[0041] Furthermore, if Figure 5-6 The cleaning sliding support assembly 4 shown includes a fixed cavity 41, a sliding tube 43 and a cleaning liquid inlet pipe 42 arranged in the fixed cavity 41, the sliding tube 43 and the cleaning liquid inlet pipe 42 are connected by a piston seal, and the sliding tube 43 is connected to the corresponding connecting vertical rod 12, so that the sliding tube 43 can realize telescopic sliding in the cleaning state.

[0042] Furthermore, if Figure 2-3 As shown, in order to improve the cleaning effect of the conveyor belt, the dryer is further provided with a plurality of auxiliary cleaning components 7, each of which is distributed on both sides of the conveyor belt 3, thereby achieving effective cleaning of the areas close to both sides of the conveyor belt.

[0043] Furthermore, the dryer further comprises a plurality of guide wheels 5, each guide wheel 5 being slidably connected to a corresponding connecting vertical rod 12, and the plurality of guide wheels 5 being fixed on adjacent auxiliary cleaning components 7, so that the setting of the plurality of guide wheels 5 can achieve a certain guiding effect on the sliding of the connecting vertical rod 12, such as Figure 2 As shown, a connecting vertical rod 12 guides and supports the connecting vertical rod 12 through two adjacent guide wheels 5, so that the connecting vertical rod 12 runs under the action of the two adjacent guide wheels 5, so that the lifting frame can smoothly lift the conveyor belt under the support of the guide wheels.

[0044] Furthermore, the auxiliary cleaning assembly 7 includes a trapezoidal fixing frame and a plurality of second nozzles 71 mounted on the trapezoidal fixing frame. Figure 3 As shown, the trapezoidal fixed frame includes two vertical support columns 72 and a plurality of second cross bars 73 connecting the two vertical support columns, and each second nozzle 71 is evenly distributed on the corresponding second cross bar 73, wherein the setting height of the second cross bar 73 can be adjusted according to the height of the conveyor belt 3, and at the same time, the number of the second cross bars 73 can also be determined according to the number of conveyor belts.

[0045] Furthermore, each vertical support column 72 and the connected second cross bar 73 are hollow structures and are interconnected, and each vertical support column 72 is connected to a corresponding cleaning liquid storage device, thereby achieving effective cleaning of the areas near both sides of the conveyor belt.

[0046] Furthermore, a connecting shaft 9 is provided between the lifting frame 1 and the lifting drive 2. Specifically, the upper part of the lifting frame 1 is connected to the connecting shaft 9 through a flange, and the connecting shaft 9 is directly connected to the lifting drive 2. Then, the lifting of the entire lifting frame assembly can be achieved through the extension and retraction of the cylinder, and the smooth lifting of the conveyor belt can be achieved under the support of the guide wheel.

[0047] Furthermore, a heating plate 8 is provided under the conveyor belt 3, and the heating plate 8 is used to heat the materials transported on the surface of the conveyor belt. When transporting different materials, the conveyor belt needs to be effectively cleaned in advance, which also includes cleaning the heating plate to avoid residues of different materials being left on the heating plate and affecting product quality. Specifically, before cleaning the contact part between the heating plate and the conveyor belt, the lifting frame first lifts the conveyor belt to separate the conveyor belt from the heating plate; in the cleaning process, the cleaning liquid is transported to the cleaning lifting frame assembly through the cleaning sliding support assembly, and the cleaning nozzle on the assembly is used to achieve full coverage cleaning of the heating plate and the bottom of the conveyor belt, ensuring more thorough cleaning and high cleaning efficiency.

[0048] In the above embodiments, those skilled in the art may adopt the existing technology for software control. The present utility model only protects the structure of the vacuum belt dryer with an integrated lifting and cleaning structure and the mutual connection relationship.

[0049] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A vacuum belt dryer with a lifting and cleaning integrated structure, characterized in that: The dryer comprises a conveyor belt (3), a cleaning lifting assembly and a cleaning sliding support assembly (4); The cleaning and lifting assembly comprises a lifting frame (1) and a lifting driver (2) for driving the lifting frame (1) to operate; The lifting frame (1) comprises at least one first cross bar (13) and a plurality of first nozzles (14) arranged on the corresponding first cross bar (13), each first nozzle (14) being used for cleaning the non-working surface of the conveyor belt (3); The cleaning sliding support assembly (4) is used to support the lifting frame (1) and is connected to a plurality of first nozzles (14); The conveyor belt (3) is also connected to a tensioning drive (6).

2. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 1, characterized in that: The lifting frame (1) further comprises a suspension frame (11) spanning the conveyor belt (3) and connecting vertical rods (12) located on both sides of the lower end of the suspension frame (11); Each first cross bar (13) is located between two connecting vertical bars (12), and the connecting vertical bars (12) and the first cross bars (13) are both hollow structures and are interconnected; Each first cross bar (13) is located between two non-working surfaces of the corresponding conveyor belt (3), and the connecting vertical bars (12) are respectively connected to the corresponding cleaning sliding support assembly (4); The upper end of the suspension frame (11) is connected to the lifting drive (2).

3. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 2, characterized in that: The cleaning sliding support assembly (4) comprises a fixed cavity (41), a sliding tube (43) and a cleaning liquid inlet pipe (42) arranged in the fixed cavity (41); the sliding tube (43) and the cleaning liquid inlet pipe (42) are connected via a piston seal; and the sliding tube (43) is connected to a corresponding connecting vertical rod (12).

4. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 2, characterized in that: The dryer further comprises a plurality of auxiliary cleaning components (7), each of which is distributed on both sides of the conveyor belt (3).

5. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 4, characterized in that: The dryer further comprises a plurality of guide wheels (5), each guide wheel group (5) being slidably connected to a corresponding connecting vertical rod (12), and the plurality of guide wheels (5) being fixed on adjacent auxiliary cleaning components (7).

6. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 4, characterized in that: The auxiliary cleaning assembly (7) comprises a trapezoidal fixing frame and a plurality of second nozzles (71) mounted on the trapezoidal fixing frame.

7. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 6, characterized in that: The trapezoidal fixing frame comprises two vertical support columns (72) and a plurality of second cross bars (73) connecting the two vertical support columns, and each second nozzle (71) is evenly distributed on a corresponding second cross bar (73).

8. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 7, characterized in that: Each vertical support column (72) and the connected second cross bar (73) are hollow structures and are interconnected, and each vertical support column (72) is connected to a corresponding cleaning liquid storage device.

9. The vacuum belt dryer with a lifting and cleaning integrated structure according to claim 1, characterized in that: A connecting shaft (9) is provided between the lifting frame (1) and the lifting drive (2).

10. The vacuum belt dryer with a lifting and cleaning integrated structure according to any one of claims 1 to 9, characterized in that: The lifting drive (2) is a lifting cylinder, and the tensioning drive (6) is a tensioning cylinder; a heating plate (8) is also provided below the conveyor belt (3).

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