Gypsum board drying machine with adjustable baffle spacing
By designing an adjustable-spacing baffle assembly, the problem of non-adjustable baffle width in traditional dryers was solved, enabling adaptive drying of gypsum boards of different widths, avoiding roller damage and edge overheating, and optimizing the drying effect.
Patent Information
- Application Number
- CN202522526604.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-28
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-11-28
AI Technical Summary
Traditional dryers have non-adjustable baffle widths, which means that rollers and guide devices need to be disassembled and reassembled when drying gypsum boards of different widths. This is easy to damage and results in poor drying effect.
The design incorporates baffle assemblies, including fixed baffles with adjustable spacing and swing baffles, forming a flow channel suitable for conveying gypsum boards of different widths. This design avoids hard contact between the rollers and the baffles, optimizing airflow distribution.
It enables adaptive drying of gypsum boards of different widths, avoids damage to the rollers, ensures the drying effect, and prevents overheating of the edges.
Smart Images

Figure CN223783222U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gypsum board production equipment, specifically to a gypsum board dryer with adjustable baffle spacing. Background Technology
[0002] In the production of gypsum board, drying is a crucial step. During drying, the gypsum board is fed into a dryer for dehydration. Traditional dryers typically have several sets of conveyor rollers arranged vertically. Each set of rollers continuously transports the gypsum board, which passes through the dryer driven by the rollers. The hot air flowing through the dryer completes the drying process. This is illustrated by the technical solutions described in Chinese invention patent application number 202411448250.1 (filed October 17, 2024) entitled "A Device and Method for Preventing Slag Formation on the Surface of Drying Drive Rollers of Gypsum Board" and Chinese utility model patent application number 201420565293.3 (filed September 28, 2014) entitled "A Monitoring System for the Outflow of Gypsum Board from a Drying Kiln."
[0003] However, traditional dryer solutions lack internal air distribution devices and rely on jet nozzles to control airflow direction, which can easily cause the edges of gypsum boards to overheat and affect product quality. Dryers on the market are equipped with airflow guiding devices to restrict the direction of airflow and ensure drying effect, such as the "air distribution plate" and "airflow guiding plate" described in the Chinese utility model patent with application number 201821906258.8, application date November 20, 2018, and patent name "An airflow guiding device for a gypsum board dryer", and the "fireproof baffle" described in the Chinese utility model patent with application number 201720182734.5, application date February 27, 2017, and patent name "An airflow guiding device for a paper-faced gypsum board dryer". The defects of the airflow guiding devices in the above technical solutions are: (1) The width cannot be adjusted. When it is necessary to dry gypsum boards of different widths, it is necessary to disassemble and reassemble the rollers and the airflow guiding device. (2) When the dryer has a multi-layer roller structure, the rollers are prone to contact with adjacent baffles and be damaged during disassembly and assembly because the interval between two adjacent rollers is small. Utility Model Content
[0004] The technical problem to be solved by this utility model is to overcome the shortcomings of the prior art and provide a gypsum board dryer with adjustable baffle spacing, which can be used for conveying gypsum boards of different widths by setting baffle assembly and forming a gypsum board guide channel by two baffles with adjustable spacing in the baffle assembly.
[0005] The technical solution adopted by this utility model to solve its technical problem is as follows: the gypsum board dryer with adjustable baffle spacing includes a main frame, and multiple layers of conveying rollers for conveying gypsum board are arranged vertically in the main frame. A guide channel is provided on both sides of each layer of conveying rollers. The feature is that multiple layers of baffle assemblies are arranged vertically in the main frame. Two baffles are arranged at intervals in each layer of baffle assembly. The spacing between the two baffles in each layer of baffle assembly is adjustable, and the two baffles in each layer of baffle assembly form a guide channel for the lower layer of gypsum board.
[0006] Preferably, the baffle assembly includes two spaced-apart supports, which are fixed within the main frame; two baffles are arranged parallel between the two supports, and at least two guide shafts are arranged perpendicularly between the two supports, with each guide shaft passing through the two baffles respectively.
[0007] Preferably, the baffle includes a fixed baffle and a swing baffle movably disposed at the bottom of the fixed baffle, the guide shaft passes through the fixed baffle, and a locking mechanism for fixing with the guide shaft is also provided on the surface of the fixed baffle.
[0008] Preferably, each layer of conveyor rollers is embedded in the baffle assembly of the same layer.
[0009] Preferably, a roller groove for accommodating the conveyor roller is provided on the surface of the baffle, and fixing holes for mounting the conveyor roller are provided at both ends of the bracket.
[0010] Preferably, the locking mechanism includes an adjusting block fixed to the side of the fixed baffle, a guide shaft passing through the adjusting block, and adjusting screws for locking the fixed baffle and the guide shaft on the surface of the adjusting block.
[0011] Preferably, the fixed baffle and the swing baffle are connected by a flexible connecting cable, and the joints of the fixed baffle and the swing baffle are staggered.
[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: In the gypsum board dryer with adjustable baffle spacing of this application, by setting baffle assembly and forming a gypsum board guide channel by two baffles with adjustable spacing in the baffle assembly, it can be used to transport gypsum boards of different widths.
[0013] By designing the baffle as a structure that connects a fixed baffle and a swing baffle, damage caused by hard contact between the conveyor roller and the baffle is effectively avoided when disassembling the conveyor roller.
[0014] The staggered joints between the fixed baffle and the swing baffle effectively prevent the drying air from passing between them, thus ensuring the drying effect. Attached Figure Description
[0015] Figure 1 This is an isometric drawing of a gypsum board dryer with adjustable baffle spacing.
[0016] Figure 2 This is a front view of a gypsum board dryer with adjustable baffle spacing.
[0017] Figure 3 for Figure 2 Sectional view along the AA direction.
[0018] Figure 4 Axonometric view of the baffle assembly in a gypsum board dryer with adjustable baffle spacing.
[0019] Figure 5 This is a top view of the baffle assembly in a gypsum board dryer with adjustable baffle spacing.
[0020] Figure 6 for Figure 5 The left view.
[0021] Figure 7 for Figure 4 Enlarged view of point A in the middle.
[0022] Figure 8 for Figure 6 Enlarged view of section B in the middle.
[0023] The components are: 1. Column; 2. Conveyor roller; 3. Baffle assembly; 4. Base frame; 5. Drive chain; 6. Fixing block; 7. Adjusting block; 8. Bracket; 9. Fixing hole; 10. Fixing baffle; 11. Roller groove; 12. Swinging baffle; 13. Guide shaft; 14. Fixing screw; 15. Adjusting screw; 16. Connecting cable. Detailed Implementation
[0024] Figures 1-8 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figures 1-8 The present invention will be further described below.
[0025] like Figures 1-2 As shown, a gypsum board dryer with adjustable baffle spacing includes a main frame, which includes a base frame 4 and columns 1 erected at the four corners of the base frame 4. The main frame also includes a top plate fixed to the top of the columns 1 at the four corners.
[0026] Inside the main frame, multiple layers of baffle assemblies 3 are arranged vertically from top to bottom. Starting from the second layer of baffle assembly 3 at the top, each layer of baffle assembly 3 contains a set of conveyor rollers 2. Each set of conveyor rollers 2 includes multiple horizontally arranged rollers. Figure 3On the same side of each group of multiple conveying rollers 2, sprockets are coaxially fixed. A transmission chain 5 is provided on the side of each group of conveying rollers 2. The transmission chain 5 meshes with all the sprockets on the same side at the same time and drives all the conveying rollers 2 to rotate synchronously to realize the conveying of gypsum board.
[0027] It should be noted that several tensioning mechanisms, such as tensioning wheels, are also provided along the trajectory of the transmission chain 5 to ensure that the transmission chain 5 can mesh with all the sprockets; and any one of the conveying rollers 2 is the driving roller, while the others are driven rollers; the driving roller is connected to an external drive mechanism (such as a drive motor), so when the driving roller rotates under the drive mechanism, it can further drive all the driven rollers to rotate synchronously through the transmission chain 5. The arrangement of the tensioning mechanism and the drive mechanism described above are common knowledge and conventional methods known to those skilled in the art, and will not be elaborated further here.
[0028] like Figures 4-6 As shown, each layer of the baffle assembly 3 includes two spaced-apart brackets 8, with both ends of each bracket 8 fixed to the inner sides of two columns 1 on the same side of the main frame. Two guide shafts 13 are spaced apart between the two brackets 8, and both guide shafts 13 are perpendicular to the brackets 8. A fixing block 6 is fitted onto both ends of each guide shaft 13, and the fixing block 6 is fixed to the corresponding bracket 8. Fixing screws 14 are provided on the surface of the fixing block 6, and the ends of the guide shaft 13 are locked to the fixing block 6 by the fixing screws 14.
[0029] Two baffles are also provided between the two supports 8, and both baffles are parallel to the two supports 8. Two guide shafts 13 pass through the two baffles respectively, thereby realizing the translation of the two baffles along the guide shafts 13. Each baffle includes a fixed baffle 10, and the guide shaft 13 passes through the top of the fixed baffle 10. An adjusting block 7 is fixed on the side of the fixed baffle 10, and the guide shaft 13 passes through the adjusting block 7. An adjusting screw 15 is installed on the top of the adjusting block 7. When the fixed baffle 10 moves to the preset position, the guide shaft 13 is locked to the fixed baffle 10 by the adjusting screw 15.
[0030] Several roller grooves 11 are spaced apart along the upper edge of the fixed baffle 10. The roller grooves 11 on the surfaces of two fixed baffles 10 are positioned correspondingly. The conveying roller 2 is placed inside the roller groove 11. Fixing holes 9 corresponding to the roller grooves 11 are also provided on the inner end faces of the two supports 8. Bearing seats (not shown in the figure) are installed at the fixing holes 9. The end of the conveying roller 2 is inserted into the bearing seat on the corresponding side, realizing the embedded installation of the conveying roller 2 and the baffle assembly 3. After the conveying roller 2 is installed, its top surface is higher than the upper edge of the fixed baffle 10 to facilitate the conveying of gypsum board.
[0031] Combination Figures 7-8Each baffle also includes a swing baffle 12, which is movably disposed at the bottom of the corresponding fixed baffle 10. The swing baffle 12 and the fixed baffle 10 are connected by a flexible connecting cable 16.
[0032] The bottom of the fixed baffle 10 and the top of the swing baffle 12 are both vertically bent to form a folded plate structure. The bottom of the fixed baffle 10 and the swing baffle 12 are staggered by the folded plate structures at their ends. The top of the connecting cable 16 is fixed to the side of the fixed baffle 10, and the bottom of the connecting cable 16 is fixed to the top surface of the folded plate structure of the swing baffle 12. By designing the baffles as a structure in which the fixed baffle 10 and the swing baffle 12 are movably connected, damage caused by hard contact between the conveyor roller 2 and the baffle is avoided when disassembling the conveyor roller 2.
[0033] The specific working process and working principle are as follows:
[0034] First, adjust the width of the two baffles in each layer baffle assembly 3 according to the width of the gypsum board. Then, fix the two baffles to the guide shaft 13 by tightening the adjusting screw 15. When the gypsum board enters the gypsum board dryer with adjustable baffle spacing of this application for drying, it comes into contact with the conveyor roller 2 of the corresponding layer and moves downward under the drive of the conveyor roller 2. During the movement, it comes into contact with the airflow and achieves drying.
[0035] As the gypsum board moves downwards driven by the conveyor roller 2, since the conveyor roller 2 is arranged starting from the second layer of baffle assembly 3, the gypsum board actually passes between the two baffles of its upper layer baffle assembly 3, and the drying process is completed during the passage of the baffles. At this time, the baffles on both sides act as guides to ensure that the drying air reliably passes through the gypsum board to achieve the drying process. At the same time, under the guiding effect of the baffles on both sides, most of the drying air passes through the surface of the gypsum board, and a small portion of the drying air passes through the sides of the gypsum board, preventing the edges of the gypsum board from overheating.
[0036] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.
Claims
1. A gypsum board dryer with adjustable baffle spacing, comprising a main frame, wherein multiple layers of conveying rollers (2) for conveying gypsum board are vertically arranged within the main frame, and guide channels are provided on both sides of each layer of conveying rollers (2), characterized in that: Multiple baffle assemblies (3) are arranged vertically within the main frame. Two baffles are spaced apart in each baffle assembly (3). The spacing between the two baffles in each baffle assembly (3) is adjustable, and the two baffles in each baffle assembly (3) form a flow channel for the lower gypsum board.
2. The gypsum board dryer with adjustable baffle spacing according to claim 1, characterized in that: The baffle assembly (3) includes two brackets (8) spaced apart and fixed inside the main frame; two baffles are arranged in parallel between the two brackets (8), and at least two guide shafts (13) are arranged vertically between the two brackets (8), with each guide shaft (13) passing through the two baffles respectively.
3. The gypsum board dryer with adjustable baffle spacing according to claim 2, characterized in that: The baffle includes a fixed baffle (10) and a swing baffle (12) movably disposed at the bottom of the fixed baffle (10). The guide shaft (13) passes through the fixed baffle (10). A locking mechanism for fixing with the guide shaft (13) is also provided on the surface of the fixed baffle (10).
4. The gypsum board dryer with adjustable baffle spacing according to claim 2, characterized in that: Each layer of conveyor rollers (2) is embedded in the baffle assembly (3) of the same layer.
5. The gypsum board dryer with adjustable baffle spacing according to claim 4, characterized in that: A roller groove (11) for accommodating the conveying roller (2) is provided on the surface of the baffle, and fixing holes (9) for installing the conveying roller (2) are provided at both ends of the bracket (8).
6. The gypsum board dryer with adjustable baffle spacing according to claim 3, characterized in that: The locking mechanism includes an adjusting block (7) fixed to the side of the fixed baffle (10), and a guide shaft (13) passing through the adjusting block (7). An adjusting screw (15) is provided on the surface of the adjusting block (7) to lock the fixed baffle (10) and the guide shaft (13).
7. The gypsum board dryer with adjustable baffle spacing according to claim 3, characterized in that: The fixed baffle (10) and the swing baffle (12) are connected by a flexible connecting cable (16), and the docking points of the fixed baffle (10) and the swing baffle (12) are staggered.
Citation Information
Patent Citations
Device and method for preventing slag bonding on surface of gypsum board drying transmission roller
CN119103835A
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CN204373372U
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CN206755820U
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CN209068950U