Energy-saving efficient rolling machine

Abstract

This utility model discloses an energy-saving and high-efficiency tea fixing machine, including a frame and a fixing drum rotatably mounted on the frame. The fixing drum is provided with a front rotating support ring and a rear rotating support ring. The frame is provided with a front limiting support roller that cooperates with the front rotating support ring and a rear support roller that cooperates with the rear rotating support ring. The front limiting support roller is provided with a limiting groove adapted to the front rotating support ring, and the limiting groove has an open structure that is wider at the top and narrower at the bottom. The front rotating support ring has a trapezoidal structure that is narrower at the top and wider at the bottom, adapted to the limiting groove. A wear-resistant nylon shaft is provided within the limiting groove. The rear support roller is a wear-resistant nylon roller. This utility model effectively improves the fixing effect and uniformity, reduces energy consumption, and lowers noise through optimized adjustment of the support rollers, adjustment of the heating method of the fixing drum, and optimization of the guide ribs. It can be widely applied in the field of tea fixing machines.

Description

Technical Field

[0001] This utility model relates to the field of tea machinery, specifically to an energy-saving and efficient tea fixing machine. Background Technology

[0002] Fixing the green in tea leaves is a crucial step in tea processing. The fixing drum, as a core piece of equipment, is typically quite large and needs to rotate continuously to achieve uniform fixing. Currently, fixing drums generally use a support roller structure for support and rotation.

[0003] However, the existing structure of the support roller and the blanching roller has obvious shortcomings. On the one hand, both the support roller and the roller are usually made of metal, and their direct contact creates hard friction between metals, resulting in high resistance to roller rotation, high energy consumption, and loud noise. On the other hand, due to the unstable friction coefficient of the metal contact surface, coupled with the large size and heavy weight of the roller, it is prone to jumping during operation, leading to unstable roller rotation, which may cause accelerated wear and reduced lifespan of the equipment.

[0004] In addition, most existing fixation drums use wall heating conduction, which results in uneven heat distribution and affects the uniformity of tea fixation. At the same time, the guide ribs inside the drum are inclined and rotating from the feed end to the discharge end, which results in uneven mixing of tea leaves and also affects the uniformity of fixation.

[0005] Therefore, it is necessary to improve the existing blanching machine to reduce its energy consumption and improve the uniformity of blanching. Summary of the Invention

[0006] The purpose of this invention is to provide an energy-saving and efficient blanching machine to solve the problem of high energy consumption in existing drum blanching machines.

[0007] The technical solution adopted by this utility model to solve its technical problem is as follows: an energy-saving and high-efficiency blanching machine, including a frame, a blanching roller rotatably mounted on the frame, a front rotating support ring and a rear rotating support ring provided on the blanching roller, a front limiting support roller that cooperates with the front rotating support ring and a rear support roller that cooperates with the rear rotating support ring provided on the frame; the front limiting support roller is provided with a limiting groove adapted to the front rotating support ring, the limiting groove is an open structure that is wider at the top and narrower at the bottom, the front rotating support ring is a profile structure that is narrower at the top and wider at the bottom adapted to the limiting groove; a wear-resistant nylon shaft is provided in the limiting groove; the rear support roller is a wear-resistant nylon roller.

[0008] To ensure thorough mixing of the tea leaves and improve the uniformity of the fixation process, the fixation drum is equipped with a series of feed guide ribs, a first spiral guide rib, a first turning and conveying guide rib, a second spiral guide rib, and a second turning and conveying guide rib, arranged sequentially from the feed end to the discharge end.

[0009] To improve the uniformity of hot air preheating of tea leaves at the feed end, a hot air pipe is provided at the feed end of the fixing drum. The hot air pipe extends into the fixing drum and extends to the end of the first spiral guide rib. Air outlet holes are evenly distributed on the surface of the hot air pipe inside the fixing drum.

[0010] To accelerate the flow rate of hot air inside the drum and promptly remove moisture emitted by the tea leaves, an exhaust duct is provided at the discharge end of the fixing drum, and an exhaust fan is installed inside the exhaust duct.

[0011] To improve the stability of the roller operation, two front limit support rollers and two rear support rollers are provided. The angle between the center of the two front limit support rollers and the center of the two rear support rollers and the line connecting them to the center of the rotating support ring is 60°. The angle between the inner side of the limiting groove and the vertical plane is 15-25°.

[0012] The beneficial effects of this utility model are as follows: Through the structural design of the front rotating support ring and the front limiting support roller, with an inclined surface fit between them, the stability of operation can be effectively improved. Simultaneously, the use of wear-resistant nylon shafts and rear support rollers ensures strength while reducing frictional resistance, thereby reducing the driving force required for the rotation of the blanching drum and lowering energy consumption. Furthermore, the use of wear-resistant nylon shafts and rear support rollers in conjunction with the blanching drum also significantly reduces noise. The blanching drum uses hot air for blanching, which improves the uniformity of heating, thereby increasing the blanching speed and uniformity, reducing heat loss, and lowering energy consumption. The arrangement design of the guide vane ribs inside the blanching drum further improves the uniformity of tea blanching.

[0013] The present invention will be described in more detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0015] Figure 2 for Figure 1 A magnified schematic diagram of part A in the middle.

[0016] Figure 3 for Figure 1 A magnified schematic diagram of part B in the middle.

[0017] Figure 4 This is a cross-sectional view of the present invention.

[0018] Figure 5 for Figure 4 A magnified schematic diagram of part C in the middle.

[0019] Figure 6 for Figure 4A magnified schematic diagram of part D in the middle.

[0020] Figure 7 This is a schematic diagram of the trapezoidal structure of the limiting groove in this utility model.

[0021] Figure 8 This is a schematic diagram of the semi-circular arc structure of the limiting groove in this utility model.

[0022] Figure 9 This is a left view of the assembly of the front rotating support ring and the front limiting support roller in this utility model.

[0023] Figure 10 This is a left view of the assembly of the rear rotating support ring and the rear support roller in this utility model. Detailed Implementation

[0024] Examples, such as Figures 1 to 10 As shown, an energy-saving and high-efficiency blanching machine includes a frame 1, a blanching roller 2 rotatably mounted on the frame 1, and a drive mechanism that drives the blanching roller 2 to rotate. This part is prior art and will not be described in detail here. To support the rotation of the blanching roller 2, a front rotating support ring 3 and a rear rotating support ring 4 are provided on the blanching roller 2. The frame 1 is provided with a front limiting support roller 5 that cooperates with the front rotating support ring 3 and a rear support roller 6 that cooperates with the rear rotating support ring 4. The front limiting support roller 5 is provided with a limiting groove 51 adapted to the front rotating support ring 3. The limiting groove 51 has an open structure that is wider at the top and narrower at the bottom. The front rotating support ring 3 has a surface structure that is narrower at the top and wider at the bottom, adapted to the limiting groove 51. The front rotating support ring 3 is embedded in the limiting groove 51, thereby improving the stability during rotation. Specifically, the limiting groove 51 can adopt an open trapezoidal structure, such as... Figure 7 As shown, or a structure with a sloping upper part and a semi-circular bottom, such as Figure 8 As shown, the structure of the front rotating support ring 3 is adapted to the structure of the limiting groove 51. Two front limiting support rollers 5 and two rear support rollers 6 are provided, and the angle between the center of the two front limiting support rollers 5 and the center of the two rear support rollers 6 and the line connecting them to the center of the rotating support ring 3 is 60°; the angle between the inner surface of the limiting groove 51 and the vertical plane is 15-25°. To reduce friction and noise, a wear-resistant nylon shaft 52 is provided inside the limiting groove 51. Simultaneously, the rear support roller 6 is made of wear-resistant nylon, which can greatly reduce frictional resistance, thereby reducing the energy consumption required for the rotation of the blanching drum 2.

[0025] To improve the withering effect and reduce energy consumption, this withering drum uses high-heat air for withering. The feed end of the withering drum is equipped with a tea inlet hopper 9. Inside the withering drum 2, from the feed end to the discharge end, are sequentially arranged feed guide ribs 21, a first spiral guide rib 22, a first turning and conveying guide rib 23, a second spiral guide rib 24, and a second turning and conveying guide rib 25, connected end-to-end. Tea leaves enter the feed guide rib 21 from the tea inlet hopper 9, and then sequentially enter the first spiral guide rib 22, the first turning and conveying guide rib 23, the second spiral guide rib 24, and the second turning and conveying guide rib 25. The tea leaves are first preheated by passing through the first spiral guide rib 22 inside the fixing drum 2. Then, they enter the first turning and conveying guide rib 23, where they are dispersed and fully fixed. When they enter the second spiral guide rib 24, the tea leaves are gathered together and mixed. Finally, they enter the second turning and conveying guide rib 25 and are dispersed again for fixing. Through two gatherings and two dispersions, the tea leaves are mixed more evenly, resulting in a more uniform fixing process.

[0026] To improve preheating efficiency and ensure more even tea leaf intake, a hot air pipe 7 is installed at the feed end of the fixing drum 2. The hot air pipe 7 extends into the fixing drum 2, reaching the end of the first spiral guide rib 22. The surface of the hot air pipe 7, located within the fixing drum 2, is evenly distributed with air outlet holes 71. Hot air is blown vertically onto the tea leaves within the first spiral guide rib 21 through the air outlet holes 71, rapidly heating the tea leaves. Simultaneously, to promptly remove water vapor during fixing, an exhaust duct 8 is installed at the discharge end of the fixing drum 2. The exhaust duct 8 is located above the discharge end, and an exhaust fan 81 is installed within the exhaust duct 8.

[0027] This invention effectively improves the blanching effect and uniformity by optimizing the support roller, adjusting the heating method of the blanching drum, and optimizing the guide vane ribs, while greatly reducing the energy consumption of blanching.

[0028] The present invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described manner. Any non-substantial improvements made using the inventive concept and technical solution of the present invention; or the direct application of the inventive concept and technical solution to other situations without modification, are all within the protection scope of the present invention.

Claims

1. An energy-saving and efficient blanching machine, comprising a frame (1), a blanching drum (2) rotatably mounted on the frame (1), wherein the blanching drum (2) is provided with a front rotating support ring (3) and a rear rotating support ring (4), and the frame (1) is provided with a front limiting support roller (5) cooperating with the front rotating support ring (3) and a rear support roller (6) cooperating with the rear rotating support ring (4); characterized in that: The front limiting support roller (5) is provided with a limiting groove (51) that is adapted to the front rotating support ring (3). The limiting groove (51) is an open structure that is wider at the top and narrower at the bottom. The front rotating support ring (3) is a surface structure that is narrower at the top and wider at the bottom that is adapted to the limiting groove (51). A wear-resistant nylon shaft (52) is provided in the limiting groove (51). The rear support roller (6) is a wear-resistant nylon roller.

2. The energy-saving and high-efficiency blanching machine according to claim 1, characterized in that: The blanching drum (2) is provided with feed guide ribs (21), first spiral guide ribs (22), first turning and conveying guide ribs (23), second spiral guide ribs (24) and second turning and conveying guide ribs (25) connected end to end from the feed end to the discharge end.

3. The energy-saving and high-efficiency blanching machine according to claim 2, characterized in that: The feed end of the blanching drum (2) is provided with a hot air pipe (7). The hot air pipe (7) extends into the blanching drum (2) and extends to the end of the first spiral guide vane rib (22). The surface of the hot air pipe (7) located inside the blanching drum (2) is evenly distributed with air outlet holes (71).

4. The energy-saving and high-efficiency blanching machine according to claim 2, characterized in that: The discharge end of the blanching drum (2) is provided with an exhaust duct (8), and an exhaust fan (81) is provided inside the exhaust duct (8).

5. The energy-saving and high-efficiency blanching machine according to claim 1, characterized in that: Two front limiting support rollers (5) and two rear support rollers (6) are provided. The angle between the center of the two front limiting support rollers (5) and the center of the two rear support rollers (6) and the center of the rotating support ring (3) is 60°. The angle between the inner side of the limiting groove (51) and the vertical plane is 15-25°.

6. The energy-saving and high-efficiency blanching machine according to claim 1, characterized in that: The limiting groove (51) is an open trapezoidal structure or a structure with an inclined surface at the top and a semi-circular arc at the bottom.

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