CN213409691U

CN213409691U - Air flow drier with cleanable hot air pipe

Info

Publication number: CN213409691U
Application number: CN202022221861.6U
Authority: CN
Inventors: 李智; 吴建平; 朱丽静; 刘星
Original assignee: JIANGSU FANQUN DRYING EQUIPMENT FACTORY CO Ltd
Current assignee: JIANGSU FANQUN DRYING EQUIPMENT FACTORY CO Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-11
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses an airflow dryer with a cleanable hot air pipe, which comprises a scraper blade arranged in the hot air pipe along the axial direction and used for scraping attachments on the inner wall of the hot air pipe, wherein the scraper blade is in transmission connection with a power output shaft of a motor through a connecting shaft, the cross section of the lower part of a power input shaft is rectangular, the cross section of the upper part of the power input shaft is circular, and a first limit flange is arranged on the outer wall surrounding the lower part of the power input shaft; one end of the connecting shaft is provided with a rectangular connecting sleeve, the connecting shaft is in transmission connection with the power input shaft through the connecting sleeve, and the other end of the connecting shaft is connected with the scraper; the second limiting flange is detachably connected with the power input shaft through a bolt; the connecting sleeve is positioned between the first limiting flange and the second limiting flange and is axially limited by the first limiting flange and the second limiting flange. This technical scheme makes things convenient for the cleaning of hot-blast main inside wall on the one hand, and the connected mode of scraper blade and motor of this application can not form the interference to hot-blast and material transport.

Description

Air flow drier with cleanable hot air pipe

Technical Field

The utility model belongs to the technical field of air current drying equipment, a pneumatic dryer is related to, specifically is a but hot-blast main clear pneumatic dryer.

Background

The airflow dryer utilizes the rapid movement of heat-carrying air to drive wet materials to suspend the wet materials in hot air, thereby strengthening the whole drying process, improving the heat and mass transfer rate, almost completely removing non-combined moisture of the materials dried by the airflow, avoiding the deterioration of the dried materials, and remarkably improving the yield compared with the drying of a common dryer. However, after the hot air pipe is used for a period of time, materials are easy to adhere to the inner wall of the hot air pipe, the more the materials are accumulated, and the longer the length-diameter ratio of the hot air pipe is, the difficulty in cleaning is caused.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides an air flow dryer with a cleanable hot air pipe.

In order to realize the purpose, the utility model discloses a technical scheme is: an airflow dryer with a cleanable hot air pipe comprises a straight hot air pipe, wherein an axial scraper is arranged in the hot air pipe and used for scraping attachments on the inner wall of the hot air pipe; the scraper blade transmission mechanism further comprises a connecting shaft, wherein a rectangular connecting sleeve is arranged at one end of the connecting shaft, the connecting shaft is in transmission connection with the power input shaft through the connecting sleeve, and the other end of the connecting shaft is connected with the scraper blade; the second limiting flange is detachably connected with the power input shaft through a bolt; the connecting sleeve is positioned between the first limiting flange and the second limiting flange and is axially limited by the first limiting flange and the second limiting flange.

Furthermore, the top of the hot air pipe is provided with a mounting opening, the radial dimension of the mounting opening is greater than the length of the connecting shaft, the hot air pipe also comprises a base which is detachably mounted on the top of the hot air pipe through a flange plate, and the motor is mounted on the base; and the base is provided with a shaft sealing mechanism for axially sealing between the power input shaft and the hot air pipe. Through this step optimization, can realize that scraper blade detachable installs in hot-blast main, the scraper blade of being convenient for washs or changes.

Furthermore, the size of the connecting sleeve in the left-right direction is larger than that of the lower part of the power input shaft in the left-right direction, threaded holes are formed in the left side wall surface and the right side wall surface of the connecting sleeve respectively, the threaded hole on the left side is in threaded connection with a fastening screw rod, and one end, far away from the nut, of the fastening screw rod extends into the connecting sleeve through the threaded hole and abuts against the left side wall surface of the power input shaft; the threaded hole on the right side wall surface of the connecting sleeve is in threaded connection with an adjusting screw rod, and one end, far away from the screw cap, of the adjusting screw rod extends into the connecting sleeve through the threaded hole and abuts against the right side wall surface of the power input shaft. Through this step optimization, can realize the distance adjustment between the inside wall of scraper blade and hot-blast main, it is concrete, when the scraper blade appears wearing and tearing, loosen the adjusting nut on the fastening screw, the nut on the rotatory adjusting screw again, the time connecting axle moves left along the axial, and then makes one side that the scraper blade is close to the inside wall of hot-blast main once more, adjusts the back, screws the adjusting nut on the fastening screw again.

Compared with the prior art, the utility model discloses the technological effect who gains does: through the utility model discloses a but hot-blast main clear air flow dryer makes things convenient for the cleanness of hot-blast main inside wall on the one hand, and the scraper blade of this application can not carry the formation to hot-blast and material and disturb with the connected mode of motor.

Drawings

Fig. 1 is a schematic structural view of an air flow dryer with a cleanable hot air duct according to an embodiment of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1.

Fig. 3 is a schematic view illustrating a connection between a connection shaft and a power input shaft of an air flow dryer with a cleanable hot air duct according to an embodiment of the present invention.

The reference numbers in the figures are: 1. the hot blast pipe, 2, the scraper blade, 3, the motor, 4, the base, 5, the power input shaft, 6, the connecting shaft, 601, the connecting sleeve, 7, the fastening screw, 8, the adjusting screw, 9, the shaft sealing mechanism, 10, the first limit flange and 11, the second limit flange.

Detailed Description

The utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The specific embodiment of the utility model is shown in fig. 1 to 3, an air flow dryer with a cleanable hot air pipe 1, comprising a straight hot air pipe 1, wherein a scraper 2 along the axial direction is arranged in the hot air pipe 1 and is used for scraping off attachments on the inner wall of the hot air pipe 1, a motor 3 is arranged at the top of the hot air pipe 1, the output end of the motor 3 is connected with a power input shaft 5, the cross section of the lower part of the power input shaft 5 is rectangular, the cross section of the upper part of the power input shaft 5 is circular, the power input shaft 5 is coaxially and rotatably inserted on the hot air pipe 1, and a first limit flange 10 is arranged around the outer wall of the lower part of; the scraper conveyor also comprises a connecting shaft 6, wherein a rectangular connecting sleeve 601 is arranged at one end of the connecting shaft 6, the connecting shaft 6 is in transmission connection with the power input shaft 5 through the connecting sleeve 601, and the other end of the connecting shaft 6 is connected with the scraper 2; the power input shaft is characterized by further comprising a second limiting flange 11, wherein the second limiting flange 11 is detachably connected with the power input shaft 5 through a bolt; the connecting sleeve 601 is located between the first position-limiting flange 10 and the second position-limiting flange 11, and is axially limited by the first position-limiting flange 10 and the second position-limiting flange 11.

The top of the hot air pipe 1 is provided with a mounting opening, the radial dimension of the mounting opening is larger than the length of the connecting shaft 6, the hot air pipe also comprises a base 4 which is detachably arranged on the top of the hot air pipe 1 through a flange plate, and the motor 3 is arranged on the base 4; the base 4 is provided with a shaft sealing mechanism 9 for axially sealing between the power input shaft 5 and the hot air pipe 1. Through this step optimization, can realize that scraper blade 2 detachable installs in hot-blast main 1, the scraper blade 2 of being convenient for washs or changes.

The left-right direction size of the connecting sleeve 601 is larger than the left-right direction size of the lower part of the power input shaft 5, the left side wall surface and the right side wall surface of the connecting sleeve 601 are respectively provided with a threaded hole, the threaded hole on the left side is in threaded connection with a fastening screw 7, and one end, far away from a nut, of the fastening screw 7 extends into the connecting sleeve 601 through the threaded hole and abuts against the left side wall surface of the power input shaft 5; the threaded hole on the right side wall surface of the connecting sleeve 601 is in threaded connection with an adjusting screw 8, and one end of the adjusting screw 8, which is far away from the nut, extends into the connecting sleeve 601 through the threaded hole and abuts against the right side wall surface of the power input shaft 5. Through this step optimization, can realize the distance adjustment between scraper blade 2 and the inside wall of hot-blast main 1, it is concrete, when scraper blade 2 appeared wearing and tearing, loosen the adjusting nut on the fastening screw 7, the nut on the rotatory adjusting screw 8 again, time connecting axle 6 moves left along the axial, and then one side that makes scraper blade 2 be close to the wall of hot-blast main 1 is close to the inside wall of hot-blast main 1 once more, adjusts the back, screws the adjusting nut on the fastening screw 7 again.

But the clear air current desiccator of hot-blast main 1 through this embodiment makes things convenient for the cleanness of 1 inside wall of hot-blast main on the one hand, and the scraper blade 2 of this application and motor 3's connected mode can not form the interference to hot-blast and material transport.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a but hot-blast main clear air current desiccator which characterized in that: the hot air pipe comprises a straight hot air pipe (1), wherein a scraper (2) along the axial direction is arranged in the hot air pipe (1) and is used for scraping attachments on the inner wall of the hot air pipe (1), a motor (3) is arranged at the top of the hot air pipe (1), the output end of the motor (3) is connected with a power input shaft (5), the cross section of the lower part of the power input shaft (5) is rectangular, the cross section of the upper part of the power input shaft is circular, the power input shaft (5) is coaxially and rotatably inserted into the hot air pipe (1), and a first limiting flange (10) is arranged around the outer wall of the lower part of the power input; the hot air pipe scraper is characterized by further comprising a connecting shaft (6) arranged close to the top of the hot air pipe (1), one end of the connecting shaft (6) is provided with a rectangular connecting sleeve (601), the connecting shaft (6) is in transmission connection with the power input shaft (5) through the connecting sleeve (601), and the other end of the connecting shaft (6) is connected with the scraper (2); the power input shaft is characterized by also comprising a second limiting flange (11), wherein the second limiting flange (11) is detachably connected with the power input shaft (5) through a bolt; the connecting sleeve (601) is located between the first limiting flange (10) and the second limiting flange (11) and is axially limited by the first limiting flange (10) and the second limiting flange (11).

2. A hot blast duct cleanable air flow dryer according to claim 1 wherein: the top of the hot air pipe (1) is provided with a mounting opening, the radial size of the mounting opening is larger than the length of the connecting shaft (6), the hot air pipe further comprises a base (4) detachably mounted on the top of the hot air pipe (1) through a flange plate, and the motor (3) is mounted on the base (4); and a shaft sealing mechanism (9) is arranged on the base (4) and used for axially sealing between the power input shaft (5) and the hot air pipe (1).

3. A hot blast duct cleanable air flow dryer according to claim 1 wherein: the size of the connecting sleeve (601) in the left-right direction is larger than that of the lower part of the power input shaft (5) in the left-right direction, threaded holes are formed in the left side wall surface and the right side wall surface of the connecting sleeve (601) respectively, a fastening screw (7) is connected to the threaded hole in the left side in a threaded manner, one end, far away from a nut, of the fastening screw (7) extends into the connecting sleeve (601) through the threaded holes and abuts against the left side wall surface of the power input shaft (5), and an adjusting nut is arranged on the fastening screw (7); the threaded hole on the right side wall surface of the connecting sleeve (601) is in threaded connection with an adjusting screw rod (8), one end, far away from the nut, of the adjusting screw rod (8) extends into the connecting sleeve (601) through the threaded hole and abuts against the right side wall surface of the power input shaft (5), and an adjusting nut is arranged on the adjusting screw rod (8) in a matched mode.