Rotary screen lubricating structure of hot air circulation rotary screen drying machine

Abstract

The utility model discloses a rotary screen lubricating structure of a hot air circulation rotary screen drying machine, and belongs to the technical field of hot air box equipment. Which comprises a rotary screen roller and a roller shaft, and is characterized in that a lubricating device is arranged at the position, connected with the roller shaft, of one end of the rotary screen roller, a lubricating driving device is arranged at the position, connected with the roller shaft, of the other end of the rotary screen roller, and a lubricating device mounting shaft head is formed at the end, connected with the lubricating device, of the roller shaft; a shaft head oil injection hole is formed in the end of the lubricating device installation shaft head, a shaft head oil outlet hole communicated with the shaft head oil injection hole is formed in the position, corresponding to the lubricating device, of one side of the lubricating device installation shaft head, and the lubricating device comprises a lubricating device bearing sleeve, a lubricating device bearing, a shaft sleeve, a lubricating device front cover plate and a lubricating device rear cover plate. The lubrication driving device comprises a lubrication driving device bearing sleeve, a lubrication driving device bearing, a driving gear disc and a lubrication driving device cover plate. The bearing has the advantages that the adaptability of the bearing to work in heavy-load and high-temperature environments is improved, the service life is long, and the production efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of hot air box equipment, and in particular relates to a cylinder net lubrication structure of a hot air circulation cylinder net drying machine. Background Art

[0002] In the textile industry, hot air circulation rotary screen dryers are frequently used to dry fabrics, especially hydroentangled fabrics, which rely heavily on these machines. The rotary screen roller is an essential component of the dryer. Hot air blows into the roller from one side and dissipates heat through the mesh, heating and drying the fabric wrapped around it. Currently, the rollers are typically supported by two shafts at both ends, rotating directly on bearing blocks. In actual use, the bearings are exposed to temperatures exceeding 180°C, resulting in a short service life. With increasing fabric production, hot air circulation rotary screen dryers need to improve processing efficiency to meet deadlines. However, this requires increasing temperatures and the area of ​​the roller, which can overwhelm the bearings under heavy loads and high temperatures, leading to frequent failures and significantly limiting production efficiency.

[0003] In view of the above situation, it is necessary to design a cylinder screen lubrication structure for a hot air circulation cylinder screen dryer with a simple structure, long service life, and adaptability to heavy loads and high temperature environments. To this end, the applicant has made a useful design, and the technical solution to be introduced below was produced in this context. Utility Model Content

[0004] The task of the utility model is to provide a cylinder screen lubrication structure for a hot air circulation cylinder screen dryer, which helps to improve the support structure of the cylinder screen roller so that the bearing is in a lubricated environment and adapts to continuous operation under heavy load and high temperature environment, which is beneficial to prolong the service life of the cylinder screen roller and improve the production efficiency of the hot air circulation cylinder screen dryer.

[0005] The task of the utility model is accomplished in this way: a cylinder screen lubrication structure of a hot air circulation cylinder screen drying machine comprises a cylinder screen roller, a roller shaft arranged at the axis center of the cylinder screen roller and capable of supporting the rotation of the cylinder screen roller, and is characterized in that: a lubricating device is arranged at one end of the cylinder screen roller and at a position connected to the roller shaft, a lubricating drive device is arranged at the other end of the cylinder screen roller and at a position connected to the roller shaft, the roller shaft is constituted by a lubricating device mounting shaft head at one end connected to the lubricating device, a shaft head oil filling hole is provided at the end of the lubricating device mounting shaft head, a shaft head oil outlet hole connected to the shaft head oil filling hole is provided on one side of the lubricating device mounting shaft head at a position corresponding to the lubricating device, the lubricating device comprises a lubricating device bearing sleeve, a lubricating device bearing arranged in the lubricating device bearing sleeve, a sleeve arranged and fixed on the lubricating device mounting shaft head and passed through and fixed in the lubricating device bearing, a fixed The cam is secured to the drive shaft and has a plurality of cams connected thereto, each of which is secured to a position adjacent to the drive shaft and has a plurality of cams connected thereto. The cams are secured to the drive shaft and have a plurality of cams connected thereto. The cams are secured to the drive shaft and have a plurality of cams connected thereto. The cams are secured to the drive shaft and have a plurality of cams connected thereto.

[0006] In a specific embodiment of the present invention, one end of the circular mesh roller is formed with a left side wall of the circular mesh roller, and the middle part of the left side wall of the circular mesh roller is formed with a hot air hole, and the hot air hole is located at the axial position of the circular mesh roller and a left support seat of the circular mesh roller is provided. The left support seat of the circular mesh roller is fixed to the inner wall of the hot air hole by connecting rods arranged at intervals around it, and a left support seat cavity of the circular mesh roller is formed in the left support seat of the circular mesh roller, and the lubrication device is nested and fixed in the left support seat cavity of the circular mesh roller through the lubrication device bearing sleeve.

[0007] The cam is secured to the front of the lubricating device and has a locking plate which is secured to the cam face of the lubricating device and has a locking plate which is secured to the front of the lubricating device and has a locking plate which is secured to the cam face of the lubricating device.

[0008] In another specific embodiment of the present invention, a lubricating device front cover plate sealing ring is provided between the lubricating device front cover plate and the shaft sleeve, and a lubricating device rear cover plate sealing ring is provided between the lubricating device rear cover plate and the shaft sleeve.

[0009] In another specific embodiment of the present invention, one end of the circular mesh roller is formed with a right side wall of the circular mesh roller, and a right side wall clearance hole of the circular mesh roller is provided at the axial position of the circular mesh roller. A right support seat of the circular mesh roller is fixedly installed on the side facing the lubrication drive device through the right wall clearance hole. A right support seat cavity of the circular mesh roller is provided on the right support seat of the circular mesh roller at the axial position corresponding to the circular mesh roller, and the lubrication drive device is nested and fixed in the right support seat cavity of the circular mesh roller through the lubrication drive device bearing sleeve. A circle of right support seat flange edge of the circular mesh roller is formed around the right support seat of the circular mesh roller toward one end, and the right support seat of the circular mesh roller is fixed to the right side wall of the circular mesh roller through the right support seat flange edge of the circular mesh roller screw.

[0010] In another specific embodiment of the present invention, a lubricating drive device bearing sleeve is formed in the lubricating drive device bearing sleeve, a circle of lubricating drive device bearing sleeve ribs are formed in the lubricating drive device bearing sleeve cavity facing the driving gear plate, the lubricating drive device bearing is arranged in the lubricating drive device bearing sleeve cavity and the two sides of the lubricating drive device bearing outer ring respectively abut between the lubricating drive device bearing sleeve ribs and the lubricating drive device cover plate, the lubricating drive device mounting shaft head is formed with a boss, one side of the inner ring of the lubricating drive device bearing abuts on the boss, and a lubricating drive device sleeve is provided on the other side of the inner ring of the lubricating drive device bearing, the lubricating drive device bearing sleeve is provided with a lubricating drive device sleeve, the lubricating drive device bearing sleeve is provided with a lubricating drive device sleeve, and the lubricating drive device bearing sleeve is provided with a lubricating drive device sleeve. The drive device sleeve is sleeved on the lubrication drive device mounting shaft head and extends out the lubrication drive device bearing sleeve. The lubrication drive device mounting shaft head is also sleeved with a group of spacer sleeves until the side surface of the spacer sleeve at the end is flush with the end of the lubrication drive device mounting shaft head. The spacers are abutted against each other and one side of the spacer sleeve at the head end is tightly pressed against the lubrication drive device sleeve. The end of the lubrication drive device mounting shaft head is fixed with a cover plate by a cover plate screw, and the edge of the cover plate is pressed against the spacer sleeve. The lubrication drive device bearing sleeve is provided with a lubrication drive device oil channel connecting the lubrication drive device bearing sleeve cavity and the oil filling nozzle, and the drive gear plate is provided with a drive gear plate oil filling hole at the position corresponding to the oil filling nozzle.

[0011] In a further specific embodiment of the present invention, the lubricating drive device bearing sleeve is formed with a circle of lubricating drive device bearing sleeve flange edge on the outer edge facing the driving gear plate, and the lubricating drive device bearing sleeve is fixed to the driving gear plate screw by the lubricating drive device bearing sleeve flange edge, and the lubricating drive device bearing sleeve is fixed to a side screw of the right support seat of the round screen roller by the lubricating drive device bearing sleeve flange edge.

[0012] In a more specific embodiment of the present invention, a lubrication drive device shaft rear sealing ring is formed between the lubrication drive device sleeve and the lubrication drive device bearing sleeve rib, and a lubrication drive device shaft front sealing ring is formed between the lubrication drive device cover plate and the lubrication drive device mounting shaft head.

[0013] The utility model has the beneficial effect of adopting the above structure: since the cylindrical screen roller is rotatably supported on the roller shaft by the lubrication device and the lubrication drive device and the bearings are respectively immersed in the lubricating oil sealing environment, the adaptability of the bearings to working in heavy load and high temperature environment is greatly improved, the service life of the cylindrical screen roller is effectively prolonged, and the production efficiency of the hot air circulation cylindrical screen drying machine is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of an embodiment of the present utility model;

[0015] Figure 2 For the utility model Figure 1 A magnified view of position A in the middle;

[0016] Figure 3 For the utility model Figure 1 Enlarged view of position B in the middle.

[0017] In the figure: 1. Cylinder roller, 11. Left side wall of cylinder roller, 111. Hot air hole, 112. Connecting rod, 12. Left support seat of cylinder roller, 121. Cavity of left support seat of cylinder roller, 13. Right side wall of cylinder roller, 131. Clearance hole of right side wall of cylinder roller, 14. Right support seat of cylinder roller, 141. Cavity of right support seat of cylinder roller, 142. Flange edge of right support seat of cylinder roller; 2. Roller shaft, 21. Lubrication device mounting shaft head, 211. Shaft head oil filling hole, 212. Shaft head oil outlet hole, 22. Lubrication drive device mounting shaft head, 221. Boss; 3. Lubrication device, 31. Lubrication device bearing sleeve, 311. Lubrication device bearing sleeve cavity, 312. Lubrication device bearing sleeve rib, 313. Lubrication device bearing sleeve fixing flange, 32. Lubrication device bearing, 33. Shaft sleeve, 331. Shaft sleeve fixing screw, 332. 32. Shaft sleeve oil hole, 34. Lubrication device sleeve, 35. Lubrication device front cover plate sealing ring, 36. Lubrication device rear cover plate sealing ring, 37. Lubrication device rear cover plate, 38. Lubrication device front cover plate; 4. Lubrication drive device, 41. Lubrication drive device bearing sleeve, 411. Oiling nozzle, 412. Lubrication drive device oil channel, 413. Lubrication drive device bearing sleeve cavity, 414. Lubrication drive device bearing sleeve flange, 415. Lubrication drive device bearing sleeve rib, 42. Lubrication drive device bearing, 43. Drive gear plate, 431. Drive gear plate oil filling hole, 44. Lubrication drive sleeve, 45. Lubrication drive device shaft rear sealing ring, 46. Lubrication drive device shaft front sealing ring, 47. Lubrication drive device cover plate, 48. Spacer, 49. Cover plate, 491. Cover plate screw. DETAILED DESCRIPTION

[0018] The specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings. However, the description of the embodiments does not limit the technical solution. Any changes in form rather than substance based on the concept of the present invention should be regarded as within the scope of protection of the present invention.

[0019] In the following description, all concepts related to directionality or orientation, such as up, down, left, right, front and back, are based on Figure 1 The positions shown are for reference only and should not be understood as a special limitation on the technical solution provided by the present invention.

[0020] See also Figure 1 and combined Figure 2 and Figure 3, specifically relates to a cylinder mesh lubrication structure of a hot air circulation cylinder mesh drying machine, comprising a cylinder mesh roller 1, and a roller shaft 2 arranged at the axis center of the cylinder mesh roller 1 and capable of supporting the cylinder mesh roller 1 to rotate.

[0021] The technical innovation of the present invention is that: a lubricating device 3 is provided at one end of the aforementioned circular mesh roller 1 and at the position connected to the roller shaft 2, a lubricating drive device 4 is provided at the other end of the aforementioned circular mesh roller 1 and at the position connected to the roller shaft 2, and the aforementioned roller shaft 2 is constituted by a lubricating device mounting shaft head 21 at the end connected to the lubricating device 3, and a shaft head oil filling hole 211 is provided at the end of the aforementioned lubricating device mounting shaft head 21, and a shaft head oil outlet hole 212 connected to the shaft head oil filling hole 211 is provided on one side of the aforementioned lubricating device mounting shaft head 21 at a position corresponding to the lubricating device 3, the aforementioned lubricating device 3 includes a lubricating device bearing sleeve 31, a lubricating device bearing 32 arranged in the lubricating device bearing sleeve 31, a sleeve 33 set and fixed on the lubricating device mounting shaft head 21 and passed through and fixed in the lubricating device bearing 32, a lubricating device front cover 38 a fixed cover is provided on one end of the lubricating device bearing sleeve 31, and a fixed cover is provided on the lubricating device The rear cover plate 37 of the lubricating device is arranged at the other end of the bearing sleeve 31, and the lubricating oil introduced into the aforementioned shaft head oil filling hole 211 is distributed in the lubricating device bearing sleeve 31 and immerses the lubricating device bearing 32. The aforementioned roller shaft 2 is formed with a lubricating drive device mounting shaft head 22 at one end connected to the lubricating drive device 4. The aforementioned lubricating drive device 4 includes a lubricating drive device bearing sleeve 41, a lubricating drive device bearing 42 arranged in the lubricating drive device bearing sleeve 41 and sleeved on the lubricating drive device mounting shaft head 22, a driving gear plate 43 fixed at one end of the lubricating drive device bearing sleeve 41 and a lubricating drive device cover plate 47 fixed at the other end of the lubricating drive device bearing sleeve 41. The aforementioned lubricating drive device bearing sleeve 41 is provided with an oiling nozzle 411 for injecting oil into the lubricating drive device bearing sleeve 41 on the side facing the driving gear plate 43. The lubricating oil introduced into the aforementioned oiling nozzle 411 is distributed in the lubricating drive device bearing sleeve 41 and immerses the lubricating drive device bearing 42.

[0022] See also Figure 1 One end of the aforementioned circular mesh roller 1 is formed with a left side wall 11 of the circular mesh roller, and the middle part of the left side wall 11 of the aforementioned circular mesh roller is formed with a hot air hole 111. The aforementioned hot air hole 111 is located at the axial position of the circular mesh roller 1 and a left support seat 12 of the circular mesh roller is provided. The left support seat 12 of the aforementioned circular mesh roller is fixed to the inner wall of the hot air hole 111 by connecting rods 112 arranged at intervals. A left support seat cavity 121 of the circular mesh roller is formed in the left support seat 12 of the aforementioned circular mesh roller, and the aforementioned lubricating device 3 is nested and fixed in the left support seat cavity 121 of the circular mesh roller through the lubricating device bearing sleeve 31.

[0023] See also Figure 2The lubricating device bearing sleeve 31 is formed with a lubricating device bearing sleeve cavity 311, and the lubricating device bearing sleeve cavity 311 is formed with a circle of lubricating device bearing sleeve rib 312 at one end facing the lubricating device rear cover 37. The lubricating device bearing sleeve 31 is formed with a circle of lubricating device bearing sleeve fixing flange 313 at the outer edge of one end facing the lubricating device front cover 38. The lubricating device bearing sleeve 31 is fixed to the left support seat 12 of the cylinder roller through the lubricating device bearing sleeve fixing flange 313. One side of the outer ring of the lubricating device bearing 32 is against the lubricating device shaft. On the sleeve rib 312, the aforementioned shaft sleeve 33 is inserted into the inner ring of the lubricating device bearing 32 and secured by a retaining spring. A shaft sleeve fixing screw 331 is provided on the shaft sleeve 33, which is fixed to the lubricating device mounting shaft head 21. A shaft sleeve oil hole 332 is provided on the shaft sleeve 33, which is connected to the shaft head oil filling hole 211. A lubricating device insert sleeve 34 is also provided between the lubricating device front cover plate 38 and the lubricating device bearing 32. One side of the lubricating device insert sleeve 34 abuts against the outer ring of the lubricating device bearing 32, and the other side abuts against the lubricating device front cover plate 38. A lubricating device front cover plate sealing ring 35 is provided between the lubricating device front cover plate 38 and the shaft sleeve 33, and a lubricating device rear cover plate sealing ring 36 is provided between the lubricating device rear cover plate 37 and the shaft sleeve 33.

[0024] See also Figure 1 One end of the aforementioned circular mesh roller 1 is formed with a right side wall 13 of the circular mesh roller, and a right side wall clearance hole 131 of the aforementioned circular mesh roller is provided at the axial position of the circular mesh roller 1. The right side wall clearance hole 131 of the aforementioned circular mesh roller is fixedly installed with a right support seat 14 of the circular mesh roller on the side facing the lubrication drive device 4. A right support seat cavity 141 of the aforementioned circular mesh roller is provided on the right support seat 14 at the axial position corresponding to the circular mesh roller 1. The aforementioned lubrication drive device 4 is nested and fixed in the right support seat cavity 141 of the circular mesh roller through the lubrication drive device bearing sleeve 41. A circle of right support seat flange 142 is formed around the end facing the circular mesh roller 1 on the aforementioned right support seat 14, and the aforementioned right support seat 14 is fixed to the right side wall 13 of the circular mesh roller with screws through the right support seat flange 142 of the circular mesh roller.

[0025] See also Figure 3, a lubrication drive device bearing sleeve cavity 413 is formed in the aforementioned lubrication drive device bearing sleeve 41, and a circle of lubrication drive device bearing sleeve rib 415 is formed in the aforementioned lubrication drive device bearing sleeve cavity 413 facing the driving gear plate 43. The aforementioned lubrication drive device bearing 42 is arranged in the lubrication drive device bearing sleeve cavity 413 and the two sides of the outer ring of the lubrication drive device bearing 42 respectively abut against the lubrication drive device bearing sleeve rib 415 and the lubrication drive device cover plate 47. A boss 221 is formed on the aforementioned lubrication drive device mounting shaft head 22, and one side of the inner ring of the aforementioned lubrication drive device bearing 42 abuts against the boss 221. A lubrication drive device sleeve 44 is provided on the other side of the inner ring of the aforementioned lubrication drive device bearing 42. The aforementioned lubrication drive device sleeve 44 is sleeved on the lubrication drive The device is installed on the shaft head 22 and extends out the lubrication drive device bearing sleeve 41. A group of spacers 48 are also provided on the aforementioned lubrication drive device mounting shaft head 22 until the side of the spacer 48 at the end is flush with the end of the lubrication drive device mounting shaft head 22. The spacers 48 are abutted against each other and one side of the spacer 48 at the head end is tightly pressed against the lubrication drive device sleeve 44. The end of the aforementioned lubrication drive device mounting shaft head 22 is fixed with a cover plate 49 by a cover plate screw 491, and the edge of the aforementioned cover plate 49 is pressed against the spacer 48. A lubrication drive device oil channel 412 is provided on the aforementioned lubrication drive device bearing sleeve 411, which connects the lubrication drive device bearing sleeve cavity 413 and the oil injection nozzle 411. The aforementioned drive gear plate 43 is provided with a drive gear plate oil injection hole 431 at the position corresponding to the oil injection nozzle 411.

[0026] Furthermore, the lubrication drive device bearing sleeve 41 has a lubrication drive device bearing sleeve flange 414 formed around its outer edge facing the drive gear plate 43. The lubrication drive device bearing sleeve 41 is screwed to the drive gear plate 43 via the lubrication drive device bearing sleeve flange 414. The lubrication drive device bearing sleeve 41 is further screwed to a side surface of the cylinder roller right support base 14 via the lubrication drive device bearing sleeve flange 414. A lubrication drive device shaft rear seal 45 is formed between the lubrication drive device insert 44 and the lubrication drive device bearing sleeve rib 415. A lubrication drive device shaft front seal 46 is formed between the lubrication drive device cover plate 47 and the lubrication drive device mounting shaft head 22.

[0027] Please continue reading Figures 1 to 3During use, the two ends of the circular screen roller 1 are fixedly supported on the frame of the hot air circulation circular screen dryer via the spacer sleeves 48 on the lubricating device mounting shaft head 21 and the lubricating drive device mounting shaft head 22, respectively. The drive chain of the hot air circulation circular screen dryer is connected to the drive gear plate 43. The chain is driven by the motor to rotate and drive the drive gear plate 43 to rotate. Hot air is blown into the circular screen roller 1 through the hot air through-holes 111 and then out through the mesh holes on the surface of the circular screen roller 1. The drive gear plate 43 sequentially drives the lubricating drive device bearing sleeve 41, the right support seat 14 of the circular screen roller, and the right side wall 13 of the circular screen roller to rotate on the lubricating drive device bearing 42, thereby driving the circular screen roller 1 to rotate. During the driving process, the circular screen roller 1 rotates on the lubricating device bearing 32 through the left side wall 11 of the circular screen roller, the left support seat 12 of the circular screen roller, and the lubricating device bearing sleeve 31. When it is necessary to lubricate and protect the aforementioned lubricating device bearing 32 and the lubricating drive device bearing 42, first inject lubricating oil into the aforementioned shaft head oil filling hole 211, and the lubricating oil enters the lubricating device bearing sleeve cavity 311 through the aforementioned shaft head oil outlet hole 212 and the shaft sleeve oil hole 332 and acts on the aforementioned lubricating device bearing 32, and then inject lubricating oil into the oil filling nozzle 411 through the aforementioned driving gear plate oil filling hole 431, and the lubricating oil directly enters the lubricating drive device bearing sleeve cavity 413 through the aforementioned connecting lubricating drive device oil channel 412 and acts on the lubricating drive device bearing 42. At this time, the lubricating oil is in a sealed state in the aforementioned lubricating device bearing sleeve cavity 311 and the lubricating drive device bearing sleeve cavity 413, which effectively reduces the impact on the lubricating device bearing 32 and the lubricating drive device bearing 42 under heavy load and high temperature working conditions, reduces maintenance time and cost, and greatly improves work efficiency.

[0028] In summary, the technical solution provided by the present invention makes up for the shortcomings of the existing technology, successfully completes the invention task, and faithfully realizes the technical effects described by the applicant in the technical effect column above.

Claims

1. A cylinder screen lubrication structure for a hot air circulation cylinder screen drying machine, comprising a cylinder screen roller (1), and a roller shaft (2) disposed at the axis of the cylinder screen roller (1) and capable of supporting the cylinder screen roller (1) for rotation, characterized in that: A lubricating device (3) is provided at one end of the circular mesh roller (1) and at a position connected to the roller shaft (2); a lubricating drive device (4) is provided at the other end of the circular mesh roller (1) and at a position connected to the roller shaft (2); a lubricating device mounting shaft head (21) is formed at one end of the roller shaft (2) connected to the lubricating device (3); a shaft head oiling hole (211) is provided at the end of the lubricating device mounting shaft head (21); and one side of the lubricating device mounting shaft head (21) is provided at a position corresponding to the lubricating device (3). A shaft head oil outlet hole (212) communicating with the shaft head oil filling hole (211) is provided at the position, and the lubricating device (3) comprises a lubricating device bearing sleeve (31), a lubricating device bearing (32) arranged in the lubricating device bearing sleeve (31), a sleeve (33) arranged and fixed on the lubricating device mounting shaft head (21) and passed through and fixed in the lubricating device bearing (32), a lubricating device front cover (38) with a fixed cover arranged at one end of the lubricating device bearing sleeve (31), and a fixed cover arranged at the lubricating device bearing sleeve (31). The other end of the lubricating device has a rear cover plate (37), and the lubricating oil introduced into the shaft head oil filling hole (211) is distributed in the lubricating device bearing sleeve (31) and immerses the lubricating device bearing (32). The roller shaft (2) is formed with a lubricating drive device mounting shaft head (22) at one end connected to the lubricating drive device (4). The lubricating drive device (4) includes a lubricating drive device bearing sleeve (41), a lubricating drive device shaft arranged in the lubricating drive device bearing sleeve (41) and sleeved on the lubricating drive device mounting shaft head (22). The invention relates to a lubricating drive device bearing (42), a driving gear plate (43) fixed to one end of the lubricating drive device bearing sleeve (41), and a lubricating drive device cover plate (47) fixed to the other end of the lubricating drive device bearing sleeve (41). The lubricating drive device bearing sleeve (41) is provided with an oiling nozzle (411) on the side facing the driving gear plate (43) for injecting oil into the lubricating drive device bearing sleeve (41). The lubricating oil introduced by the oiling nozzle (411) is distributed in the lubricating drive device bearing sleeve (41) and immerses the lubricating drive device bearing (42).

2. The cylinder screen lubrication structure of the hot air circulation cylinder screen drying machine according to claim 1, characterized in that: One end of the circular mesh roller (1) is formed with a left side wall (11) of the circular mesh roller, and the middle part of the left side wall (11) of the circular mesh roller is formed with a hot air hole (111). The hot air hole (111) is located at the axis of the circular mesh roller (1), and a left support seat (12) of the circular mesh roller is provided. The left support seat (12) of the circular mesh roller is fixed to the inner wall of the hot air hole (111) through connecting rods (112) arranged at intervals. A left support seat cavity (121) of the circular mesh roller is formed in the left support seat (12), and the lubricating device (3) is nested and fixed in the left support seat cavity (121) of the circular mesh roller through the lubricating device bearing sleeve (31).

3. The cylinder screen lubrication structure of the hot air circulation cylinder screen drying machine according to claim 1, characterized in that: The lubricating device bearing sleeve (31) is formed with a lubricating device bearing sleeve cavity (311), and a circle of lubricating device bearing sleeve retaining edge (312) is formed in the lubricating device bearing sleeve cavity (311) at one end facing the lubricating device rear cover plate (37). The lubricating device bearing sleeve (31) is formed with a circle of lubricating device bearing sleeve fixing flange (313) on the outer peripheral edge of one end facing the lubricating device front cover plate (38). The lubricating device bearing sleeve (31) is fixed to the left support seat (12) of the cylinder roller through the lubricating device bearing sleeve fixing flange (313), and one side of the outer ring of the lubricating device bearing (32) is against the lubricating device bearing sleeve retaining edge (312). The lubricating device is provided with a lubricating device on the side (312), the sleeve (33) is passed through the inner ring of the lubricating device bearing (32) and fixed by a retaining spring, the sleeve (33) is provided with a sleeve fixing screw (331) fixed to the lubricating device mounting shaft head (21), the sleeve (33) is provided with a sleeve oil hole (332) connected to the shaft head oil filling hole (211), the lubricating device front cover (38) is further provided with a lubricating device insert (34) at a position between the lubricating device front cover (38) and the lubricating device bearing (32), one side of the lubricating device insert (34) is against the outer ring of the lubricating device bearing (32), and the other side is against the lubricating device front cover (38).

4. The cylinder screen lubrication structure of the hot air circulation cylinder screen drying machine according to claim 3, characterized in that: A lubricating device front cover plate sealing ring (35) is provided between the lubricating device front cover plate (38) and the shaft sleeve (33), and a lubricating device rear cover plate sealing ring (36) is provided between the lubricating device rear cover plate (37) and the shaft sleeve (33).

5. The cylinder screen lubrication structure of the hot air circulation cylinder screen drying machine according to claim 1, characterized in that: One end of the circular mesh roller (1) is formed with a right side wall (13) of the circular mesh roller. The right side wall (13) of the circular mesh roller is provided with a right side wall clearance hole (131) of the circular mesh roller at the axis center position of the circular mesh roller (1). The right side wall clearance hole (131) of the circular mesh roller is fixedly installed with a right support seat (14) of the circular mesh roller on the side facing the lubrication drive device (4). The right support seat (14) of the circular mesh roller is provided with a circular hole (131) at the axis center position corresponding to the circular mesh roller (1). The right support seat cavity (141) of the screen roller is provided. The lubricating drive device (4) is nested and fixed in the right support seat cavity (141) of the screen roller through the lubricating drive device bearing sleeve (41). The right support seat (14) of the screen roller is formed with a circle of right support seat flange (142) around one end of the screen roller (1). The right support seat (14) of the screen roller is fixed to the right side wall (13) of the screen roller through the right support seat flange (142) of the screen roller.

6. The cylinder screen lubrication structure of the hot air circulation cylinder screen drying machine according to claim 1, characterized in that: A lubricating drive device bearing sleeve cavity (413) is formed in the lubricating drive device bearing sleeve (413), and a circle of lubricating drive device bearing sleeve ribs (415) is formed in the lubricating drive device bearing sleeve cavity (413) on the side facing the driving gear plate (43). The lubricating drive device bearing (42) is arranged in the lubricating drive device bearing sleeve cavity (413), and the two sides of the outer ring of the lubricating drive device bearing (42) respectively abut between the lubricating drive device bearing sleeve ribs (415) and the lubricating drive device cover plate (47). A boss (221) is formed on the lubricating drive device mounting shaft head (22), and one side of the inner ring of the lubricating drive device bearing (42) abuts against the boss (221). A lubricating drive device sleeve (44) is provided on the other side of the inner ring of the lubricating drive device bearing (42), and the lubricating drive device sleeve (44) is sleeved on the lubricating drive device mounting shaft head (22). A lubricating drive device bearing sleeve (41) extends from the shaft head (22), and a group of spacer sleeves (48) are also sleeved on the lubricating drive device mounting shaft head (22) until the side of the spacer sleeve (48) at the end is flush with the end of the lubricating drive device mounting shaft head (22), each spacer sleeve (48) abuts against each other, and one side of the spacer sleeve (48) at the head end presses against the lubricating drive device sleeve (44), and a cover plate (49) is fixed to the end of the lubricating drive device mounting shaft head (22) through a cover plate screw (491), and the edge of the cover plate (49) presses against the spacer sleeve (48), and a lubricating drive device oil channel (412) is provided on the lubricating drive device bearing sleeve (413) and the oil injection nozzle (411), and a drive gear plate oil injection hole (431) is provided on the drive gear plate (43) at a position corresponding to the oil injection nozzle (411).

7. The cylinder screen lubrication structure of the hot air circulation cylinder screen drying machine according to claim 6, characterized in that: The lubricating drive device bearing sleeve (41) is formed with a lubricating drive device bearing sleeve flange edge (414) on the outer peripheral edge facing the driving gear plate (43). The lubricating drive device bearing sleeve (41) is screwed to the driving gear plate (43) through the lubricating drive device bearing sleeve flange edge (414). The lubricating drive device bearing sleeve (41) is screwed to a side surface of the right support seat (14) of the cylinder roller through the lubricating drive device bearing sleeve flange edge (414).

8. The cylinder screen lubrication structure of the hot air circulation cylinder screen drying machine according to claim 6, characterized in that: A lubricating drive device shaft rear seal ring (45) is formed between the lubricating drive device sleeve (44) and the lubricating drive device bearing sleeve rib (415), and a lubricating drive device shaft front seal ring (46) is formed between the lubricating drive device cover plate (47) and the lubricating drive device mounting shaft head (22).

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