On-line hot pressing process for plant fiber elastic material

Abstract

The invention discloses a plant fiber elastic material on-line hot pressing process, which is used for stacking a plurality of layers of plant fiber elastic sheets, and is characterized in that the stacked plant fiber elastic sheets are fed into pre-pressing equipment, are fed into an on-line hot pressing machine after being pre-pressed to a preset thickness, and are extruded up and down through a profiling conveying belt; hot-press molding is performed in a high-temperature environment in an on-line hot press to obtain the plant fiber elastic material shaped to the standard thickness, and then the plant fiber elastic material is conveyed out of the hot press through a profiling conveying belt. The plant fiber elastic sheet can directly enter the on-line hot press to be subjected to hot pressing after being pre-pressed and is automatically conveyed to the next procedure after hot pressing is completed, hot air of the on-line hot press forcibly penetrates into the elastic material under the action of the large-air-pressure fan, and the purpose of rapid hot-pressing shaping is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of plant fiber mattress production, in particular to an online hot pressing process for plant fiber elastic materials. Background Art

[0002] Plant fiber mattress refers to a mattress made of plant fiber materials such as mountain palm, oil palm, hemp, bamboo fiber, coconut shell fiber, etc. Chinese Patent No. 201510910886.8 discloses a pre-pressing molding device and method for producing plant fiber mattresses, the device comprising a pre-pressing frame (1), a conveying roller (2) is provided on the pre-pressing frame (1), a conveying belt (3) is connected to the conveying roller (2), at least two pre-pressing rollers are provided above one end of the conveying belt (3), the two ends of the pre-pressing rollers are connected to the columns (11) on both sides of the pre-pressing frame (1), the axis of one of the pre-pressing rollers and the axis of the conveying roller (3) directly below it are located in the same vertical plane, and the pre-pressing roller is connected to the pre-pressing belt (8). The method is that the semi-finished plant fiber mattress is conveyed to between the pre-pressing belt (8) and the conveying belt (3) via the conveying belt (3), and the pre-pressing molding is performed under the mutual extrusion of the pre-pressing roller and the conveying roller (2).

[0003] This technology only pre-presses the plant fiber elastic material, but still uses a traditional hot press for hot pressing. During the hot pressing process, there is lifting, which is labor-intensive, and lifting will cause quality problems such as deformation and breakage of the plant fiber elastic material. At the same time, the hot pressing of the hot press uses heat conduction to slowly penetrate and shape, so the hot pressing efficiency is low. Summary of the invention

[0004] The purpose of the present invention is to provide an online hot pressing process for plant fiber elastic material, thereby improving the efficiency of hot pressing and shaping and reducing manual lifting.

[0005] The technical solution of the present invention is: an online hot pressing process for plant fiber elastic materials, wherein multiple layers of plant fiber elastic sheets are stacked, the stacked plant fiber elastic sheets are sent to a pre-pressing device, and after being pre-pressed to a predetermined thickness, they are sent to an online hot press, the plant fiber elastic sheets are squeezed up and down by a pressing conveyor belt, and are hot-pressed in a high-temperature environment in the online hot press to obtain plant fiber elastic materials that are shaped to a standard thickness, and then sent out of the hot press through a pressing conveyor belt.

[0006] The shaping time and effect of the plant fiber elastic material can be controlled by adjusting the conveying speed of the profiled conveyor belt.

[0007] The thickness of the plant fiber elastic material can be controlled by adjusting the height of the profiled conveyor belt.

[0008] The pre-pressing thickness of the plant fiber elastic material is controlled by adjusting the height of the pre-pressing device outlet, and the height of the pre-pressing device outlet is less than or equal to the height of the profiled conveyor belt.

[0009] The profiled conveyor belt comprises an upper conveyor belt and a lower conveyor belt, and the height of the profiled conveyor belt is adjusted by controlling the lifting and lowering of the upper conveyor belt.

[0010] The online hot press adjusts the shaping temperature of the plant fiber elastic material through a heating system.

[0011] Beneficial effects of the present invention: the plant fiber elastic sheet of the present invention can directly enter the online hot press for hot pressing after pre-pressing, and is automatically transported to the next process after the hot pressing is completed. The hot air of the online hot press is forced to penetrate into the elastic material under the action of the high-pressure fan, so as to achieve the purpose of rapid hot pressing and shaping. Compared with the prior art, the present invention has the characteristics of reducing manual lifting, high hot pressing and shaping efficiency, and reducing the problem of breaking quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the present invention. DETAILED DESCRIPTION

[0013] The present invention will be further described below in conjunction with the embodiments, but they are not intended to limit the present invention.

[0014] Embodiment 1. An online hot pressing process for plant fiber elastic materials, wherein multiple layers of plant fiber elastic sheets are stacked, the stacked plant fiber elastic sheets are sent to a pre-pressing device 1, and after being pre-pressed to a predetermined thickness, the stacked plant fiber elastic sheets are sent to an online hot press 2, the plant fiber elastic sheets are pressed up and down by a pressing conveyor belt, and the plant fiber elastic sheets are hot pressed and molded in a high temperature environment in the online hot press 2 to obtain a plant fiber elastic material that is molded to a standard thickness, and then sent out of the hot press by a pressing conveyor belt.

[0015] The shaping time and effect of plant fiber elastic materials can be controlled by adjusting the conveying speed of the profiling conveyor belt. Different thickness materials use different conveying speeds, that is, different hot pressing times, to achieve the hot pressing shaping effect.

[0016] The thickness of the plant fiber elastic material can be controlled by adjusting the height of the profiled conveyor belt.

[0017] The pre-pressing thickness of the plant fiber elastic material is controlled by adjusting the height of the outlet of the pre-pressing device 1. The height of the outlet of the pre-pressing device 1 is less than or equal to the height of the profile conveyor belt. The pre-pressing device 1 can adjust the height of the outlet of the pre-pressing device 1 by lifting the upper layer 5 of the pre-pressing device. The upper layer 5 of the pre-pressing device can be lifted and lowered by a worm gear mechanism 6.

[0018] The profiled conveyor belt comprises an upper conveyor belt 3 and a lower conveyor belt 4, and the height of the profiled conveyor belt is adjusted by controlling the lifting and lowering of the upper conveyor belt 3. The upper conveyor belt 3 and the lower conveyor belt 4 can adopt existing structures such as rollers, belts, crawlers, etc.

[0019] The online hot press 2 adjusts the shaping temperature of the plant fiber elastic material through a heating system. The heating system includes a heating device 9. The heating device 9 is connected to a fan 7. An insulation layer 8 is arranged outside the online hot press 2 to reduce energy consumption.

[0020] Embodiment 2. An online hot pressing process for a plant fiber elastic material, wherein multiple layers of plant fiber elastic sheets are stacked, the stacked plant fiber elastic sheets are sent to a pre-pressing device 1, and after being pre-pressed to a predetermined thickness, the stacked plant fiber elastic sheets are sent to an online hot press 2, the plant fiber elastic sheets are pressed up and down by a pressing conveyor belt, and the plant fiber elastic sheets are hot pressed and molded in a high temperature environment in the online hot press 2 to obtain a plant fiber elastic material that is molded to a standard thickness, and then sent out of the hot press by a pressing conveyor belt.

[0021] The shaping time and effect of the plant fiber elastic material can be controlled by adjusting the conveying speed of the profiled conveyor belt. The shaping thickness of the plant fiber elastic material can be controlled by adjusting the height of the profiled conveyor belt.

[0022] The pre-pressing thickness of the plant fiber elastic material is controlled by adjusting the height of the outlet of the pre-pressing device 1. The height of the outlet of the pre-pressing device 1 is less than or equal to the height of the profile conveyor belt. The pre-pressing device 1 can adjust the height of the outlet of the pre-pressing device 1 by lifting the upper layer 5 of the pre-pressing device. The upper layer 5 of the pre-pressing device can be lifted and lowered by a worm gear mechanism 6.

[0023] The profiled conveyor belt comprises an upper conveyor belt 3 and a lower conveyor belt 4, and the height of the profiled conveyor belt is adjusted by controlling the lifting and lowering of the upper conveyor belt 3. The upper conveyor belt 3 and the lower conveyor belt 4 can adopt existing structures such as rollers, belts, and crawlers. The upper conveyor belt 3 can be lifted and lowered by using mechanisms such as a worm gear mechanism 6, a motor, a cylinder, and an oil cylinder.

[0024] The online hot press 2 adjusts the shaping temperature of the plant fiber elastic material through a heating system. The heating system includes a heating device 9. The heating device 9 is connected to a fan 7. An insulation layer 8 is arranged outside the online hot press 2 to reduce energy consumption.

Claims

1. An online hot pressing process for plant fiber elastic material, stacking multiple layers of plant fiber elastic sheets, characterized in that: The stacked plant fiber elastic sheets are sent to the pre-pressing equipment. After being pre-pressed to a predetermined thickness, they are sent to the online hot press. The plant fiber elastic sheets are squeezed up and down by a profiling conveyor belt, and are hot-pressed in the high-temperature environment of the online hot press to obtain plant fiber elastic materials that are shaped to a standard thickness. The sheets are then sent out of the hot press via a profiling conveyor belt.

2. The online hot pressing process of plant fiber elastic material according to claim 1, characterized in that: The shaping time and effect of the plant fiber elastic material can be controlled by adjusting the conveying speed of the profiled conveyor belt.

3. The online hot pressing process of plant fiber elastic material according to claim 1, characterized in that: The thickness of the plant fiber elastic material can be controlled by adjusting the height of the profiled conveyor belt.

4. The online hot pressing process of plant fiber elastic material according to claim 3, characterized in that: The pre-pressing thickness of the plant fiber elastic material is controlled by adjusting the height of the pre-pressing device outlet, and the height of the pre-pressing device outlet is less than or equal to the height of the profiled conveyor belt.

5. The online hot pressing process of plant fiber elastic material according to claim 3, characterized in that: The profiled conveyor belt comprises an upper conveyor belt and a lower conveyor belt, and the height of the profiled conveyor belt is adjusted by controlling the lifting and lowering of the upper conveyor belt.

6. The online hot pressing process of plant fiber elastic material according to claim 1, characterized in that: The online hot press adjusts the shaping temperature of the plant fiber elastic material through a heating system.

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