A roller kiln roller disassembly fixture and its control system

Abstract

The present application relates to the technical field of roller kiln fixtures and provides a roller kiln roller disassembly fixture and its control system. The roller kiln roller disassembly fixture comprises: a movable sleeve assembly; a fixed sleeve, which is sleeved on one end of the movable sleeve assembly and rotatably connected to the movable sleeve assembly; a plurality of tensioning shoes, which are movably inserted on the outer periphery of the movable sleeve assembly and located on the other end of the movable sleeve assembly; a tensioning shaft, one end of which is slidably disposed in the movable sleeve assembly and wedge-fitted with the tensioning shoes; and a driving assembly, which is disposed on the fixed sleeve and rotatably connected to the other end of the tensioning shaft. The tensioning shaft pushes or releases the tensioning shoes under the driving action of the driving assembly. When a maintenance worker grasps the fixed sleeve to extract the roller, he or she does not need to keep his or her hand movements consistent with the direction of the roller's rotation, which reduces the difficulty of operation. At the same time, the hand is separated from the roller, effectively improving the safety of the roller replacement operation.

Description

Technical Field

[0001] The present application relates to the technical field of roller kiln fixtures, and in particular to a roller kiln roller rod disassembly fixture and a control system thereof. Background Art

[0002] Roller hearth kilns are widely used to fire architectural ceramics (floor tiles, wall tiles, etc.). Rollers are key components in roller kilns, carrying and conveying the ceramic products. Rows of rollers form a feed platform, where the ceramic tiles are fired as they are transported. One end of the roller acts as a drive, while the other acts as a support.

[0003] During the roller feeding process, magnetic powder and impurities on the bottom of the ceramic tiles will adhere to the roller surface, making the roller surface uneven after long-term operation, affecting the smoothness of the tile feeding and product quality. Therefore, the roller needs to be replaced regularly. To avoid the impact of roller replacement on continuous production, it is often necessary to complete the roller replacement while the kiln is in continuous operation, that is, the roller is in a rotating state. During the traditional roller replacement process, the maintenance personnel must hold the roller at the supporting end and move the roller back and forth in a very short time so that the waist-shaped hole of the roller is instantly disengaged from the elastic retaining spring at the drive end. During the pulling process, the maintenance personnel must keep their manual movements consistent with the drive transmission to avoid the mismatch between the manual movements and the drive transmission, which will cause excessive torque at both ends of the roller, and then lead to the roller breaking in the middle or breaking at the connection between the roller and the drive shaft, causing kiln blockage and other kiln failures, affecting production. The entire process is difficult to operate. In addition, when the roller is directly clamped by hand and quickly pulled out, the hand can be easily squeezed by the roller arranged on the side, posing a major safety hazard.

[0004] Therefore, the existing technology has defects and needs to be improved and developed. Summary of the Invention

[0005] In response to the above-mentioned defects of the prior art, the present application provides a roller kiln roller disassembly fixture and its control system, aiming to solve the problem in the prior art that maintenance personnel need to keep their manual movements consistent with the drive transmission during roller replacement to avoid damage to the rollers and affecting production, and the entire process is difficult to operate, highly dangerous and inefficient.

[0006] The technical solution adopted by the present application to solve the technical problem is as follows: a roller kiln roller rod disassembly fixture, comprising:

[0007] Movable shaft sleeve assembly;

[0008] a fixed shaft sleeve, the fixed shaft sleeve being sleeved on one end of the movable shaft sleeve assembly and being rotatably connected to the movable shaft sleeve assembly;

[0009] a plurality of tensioning shoes, wherein the plurality of tensioning shoes are movably plugged into the outer periphery of the movable sleeve assembly and are located on the other end of the movable sleeve assembly;

[0010] a tensioning shaft, one end of which is slidably disposed in the movable sleeve assembly and wedge-fitted with the tensioning shoe;

[0011] A driving assembly is provided on the fixed sleeve and is rotatably connected to the other end of the tensioning shaft. The tensioning shaft pushes or releases the tensioning shoe under the driving action of the driving assembly.

[0012] Furthermore, the movable sleeve assembly includes:

[0013] a first sleeve, wherein the first sleeve defines a first inner hole, and a plurality of sliding grooves communicating with the first inner hole are defined on an outer circumference of the first sleeve, wherein the tensioning shoe is movably inserted into the sliding grooves;

[0014] a second sleeve, the second sleeve being connected to the first sleeve, the second sleeve defining a second inner hole communicating with the first inner hole, the fixed sleeve being rotatably connected to an outer periphery of the second sleeve;

[0015] Wherein, one end of the tensioning shaft is arranged in the first inner hole and the second inner hole, and the other end of the tensioning shaft is rotatably connected to the driving assembly.

[0016] Furthermore, the tensioning shoe includes:

[0017] a tile, the tile being located on the outer periphery of the first sleeve;

[0018] A rib plate is movably inserted into the sliding groove, one side of the rib plate is connected to the tile, and the other side of the rib plate is wedge-fitted with the tensioning shaft.

[0019] Furthermore, the movable sleeve assembly further comprises:

[0020] a first limiting ring and a first elastic structure, wherein the first limiting ring is sleeved on an end of the first sleeve away from the second sleeve and is wedge-fitted with one end of the rib, and the first limiting ring is elastically connected to the first sleeve via the first elastic structure;

[0021] A second limiting ring and a second elastic structure, the second limiting ring is accommodated in the first inner hole and is located on one end of the first sleeve close to the second sleeve, and is wedge-fitted with the other end of the rib, and the second limiting ring is elastically connected to the first sleeve through the second elastic structure.

[0022] Furthermore, the fixed sleeve is provided with a third inner hole, and a first groove and a second groove are respectively provided at both ends of the third inner hole; a first shoulder is provided on the outer periphery of the second sleeve;

[0023] The roller kiln roller rod disassembly fixture also includes:

[0024] a first bearing, wherein the first bearing is cooperatively disposed with the second sleeve and the first groove, and the first bearing abuts against the first shoulder;

[0025] a second bearing, the second bearing being arranged in cooperation with the second sleeve and the second groove;

[0026] A first locking nut and a first retaining ring, wherein the first locking nut and the first retaining ring are both sleeved on the second shaft sleeve, the first locking nut is connected to the second shaft sleeve, and two sides of the first retaining ring respectively abut against the second bearing and the first locking nut.

[0027] Furthermore, the driving assembly includes:

[0028] a mounting plate connected to one end of the fixed sleeve;

[0029] A lead screw stepper motor, wherein the lead screw stepper motor is arranged on the mounting plate;

[0030] The pushing structure, the screw nut of the screw stepping motor is arranged on one end of the pushing structure, and the other end of the pushing structure is rotatably connected to the tensioning shaft.

[0031] Furthermore, the roller kiln roller rod disassembly fixture further includes:

[0032] A clamping hoop, the clamping hoop is sleeved on the tensioning shaft, one end of the clamping hoop is connected to the pushing structure, the outer periphery of the clamping hoop is provided with a tapered surface, and the outer periphery of the clamping hoop is provided with an axial opening groove;

[0033] An adjusting nut is connected to the tapered surface.

[0034] Furthermore, the roller kiln roller rod disassembly fixture further includes:

[0035] A toggle switch is provided on the fixed sleeve and is electrically connected to the drive assembly.

[0036] Furthermore, the roller kiln roller rod disassembly fixture further includes:

[0037] A guide cone head is connected to an end of the movable shaft sleeve assembly facing away from the fixed shaft sleeve.

[0038] Another technical solution adopted by the present application to solve the technical problem is as follows: a control system for the roller kiln roller disassembly fixture as described above, comprising:

[0039] a pressure sensor, the pressure sensor being arranged on a side of the tensioning shoe facing away from the tensioning shaft;

[0040] an analog-to-digital converter, the analog-to-digital converter being electrically connected to the pressure sensor;

[0041] a driving module, the driving module being electrically connected to the driving assembly;

[0042] The microcontroller is electrically connected to the analog-to-digital converter and the driving module.

[0043] The present application provides a roller kiln roller disassembly fixture and a control system thereof, the roller kiln roller disassembly fixture comprising: a movable shaft sleeve assembly; a fixed shaft sleeve, the fixed shaft sleeve being sleeved on one end of the movable shaft sleeve assembly and being rotatably connected to the movable shaft sleeve assembly; a plurality of tensioning shoes, the plurality of tensioning shoes being movably inserted on the outer periphery of the movable shaft sleeve assembly and being located on the other end of the movable shaft sleeve assembly; a tensioning shaft, one end of the tensioning shaft being slidably arranged in the movable shaft sleeve assembly and being wedge-fitted with the tensioning shoes; a driving assembly, the driving assembly being arranged on the fixed shaft sleeve and being rotatably connected to the other end of the tensioning shaft, the tensioning shaft pushing or releasing the tensioning shoes under the driving action of the driving assembly. By arranging a movable sleeve assembly, a tensioning shoe, a tensioning shaft and a driving assembly, the driving assembly drives the tensioning shaft to move axially, pushes the tensioning shoe to squeeze the inner hole wall of the fixed roller rod, or releases the tensioning shoe, so that the tensioning shoe is separated from the inner hole wall of the roller rod, so that the roller kiln roller rod disassembly fixture can automatically fix or disengage the roller rod, which provides convenience for the maintenance personnel to replace the roller rod; by arranging a fixed sleeve and arranging a rotation connection between the fixed sleeve and the movable sleeve, the maintenance personnel only need to grasp the fixed sleeve to pull out the roller rod, and there is no need to keep the hand movement consistent with the rotation direction of the roller rod during the operation, which effectively reduces the difficulty of the roller rod replacement process and improves the efficiency of roller rod replacement; at the same time, the roller kiln roller rod disassembly fixture separates the maintenance personnel's hands from the roller rods arranged on the side, avoiding the possibility that the hands may be directly squeezed by the roller rods arranged on the side, thereby improving the safety of the roller rod replacement operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 It is a schematic diagram of the three-dimensional structure of the roller kiln roller rod disassembly fixture provided in this application;

[0045] Figure 2 It is a schematic diagram of the exploded structure of the roller kiln roller rod disassembly fixture provided in this application;

[0046] Figure 3It is a partial schematic cross-sectional view of the cooperation relationship between the roller bar disassembly fixture and the roller bar of the roller kiln provided in this application;

[0047] Figure 4 This application Figure 3 A magnified schematic diagram of the middle part A;

[0048] Figure 5 This application Figure 3 Enlarged schematic diagram of middle part B;

[0049] Figure 6 This is a cross-sectional schematic diagram of the roller kiln roller rod disassembly fixture provided in this application from another perspective;

[0050] Figure 7 This application Figure 6 Enlarged schematic diagram of middle C part;

[0051] Figure 8 This application Figure 3 Enlarged schematic diagram of the middle D part;

[0052] Figure 9 It is a partial schematic cross-sectional view of the cooperation relationship between the roller and the roller driving member in the present application;

[0053] Figure 10 This is a functional principle block diagram of the control system of the roller kiln roller rod disassembly fixture provided in this application;

[0054] Description of reference numerals:

[0055] 10. Roller kiln roller disassembly fixture; 11. Movable shaft sleeve assembly; 12. Fixed shaft sleeve; 13. Tensioning shoe; 14. Tensioning shaft; 15. Drive assembly; 161. First bearing; 162. Second bearing; 163. First locking nut; 164. First retaining ring; 17. Clamp; 181. Adjusting nut; 182. Toggle switch; 19. Guide cone; 111. First shaft sleeve; 112. Second shaft sleeve; 113. First limit ring; 114. First Elastic structure; 115, second limiting ring; 116, second elastic structure; 1171, first cone; 1172, guide screw; 1173, compression spring; 118, linear bearing; 119, retaining spring; 1111, first inner hole; 1112, sliding groove; 1121, second inner hole; 1122, first shoulder; 121, third inner hole; 122, first groove; 123, second groove; 131, tile; 132, rib; 133, elastic Buffer layer; 1321, second conical surface; 1322, avoidance step surface; 141, second shoulder; 151, mounting plate; 152, lead screw stepper motor; 153, pushing structure; 154, bearing seat; 155, third bearing; 156, fourth bearing; 157, second locking nut; 158, second retaining ring; 159, push plate; 1521, lead screw nut; 1541, fourth inner hole; 171, conical surface; 172, axial opening groove; 191 , guide conical surface; 192, mounting groove; 20, control system; 21, pressure sensor; 22, analog-to-digital converter; 23, drive module; 24, microcontroller; 25, motor torque sensor; 26, first limit switch; 27, second limit switch; 281, temperature sensor; 282, setting panel; 29, display screen; 30, roller; 301, waist-shaped slot hole; 31, roller drive; 311, cup-shaped jacket; 312, elastic retaining spring. DETAILED DESCRIPTION

[0056] To make the purpose, technical solutions and advantages of this application clearer and more explicit, the following further describes this application in detail with reference to the accompanying drawings and examples. It should be understood that the specific examples described herein are only used to explain this application and are not intended to limit this application.

[0057] Roller hearth kilns are widely used to fire architectural ceramics (floor tiles, wall tiles, etc.). Rollers are key components in roller kilns, carrying and conveying the ceramic products. Rows of rollers form a feed platform, where the ceramic tiles are fired as they are transported. One end of the roller acts as a drive, while the other acts as a support. During the roller feeding process, magnetic powder and impurities on the bottom of the ceramic tiles will adhere to the roller surface, making the roller surface uneven after long-term operation, affecting the smoothness of the tile feeding and product quality. Therefore, the roller needs to be replaced regularly. To avoid the impact of roller replacement on continuous production, it is often necessary to complete the roller replacement while the kiln is in continuous operation, that is, the roller is in a rotating state. During the traditional roller replacement process, the maintenance personnel must hold the roller at the supporting end and move the roller back and forth in a very short time so that the waist-shaped hole of the roller is instantly disengaged from the elastic retaining spring at the drive end. During the pulling process, the maintenance personnel must keep their manual movements consistent with the drive transmission to avoid the mismatch between the manual movements and the drive transmission, which will cause excessive torque at both ends of the roller, and then lead to the roller breaking in the middle or breaking at the connection between the roller and the drive shaft, causing kiln blockage and other kiln failures, affecting production. The entire process is difficult to operate. In addition, when the roller is directly clamped by hand and quickly pulled out, the hand can be easily squeezed by the roller arranged on the side, posing a major safety hazard.

[0058] The present application is based on the problem in the prior art that maintenance personnel need to keep their hand movements consistent with the drive transmission during roller replacement to avoid damage to the roller and affect production, and the whole process is difficult to operate, highly dangerous and inefficient. A roller kiln roller disassembly fixture and a mobile terminal are provided. By setting a movable shaft sleeve assembly, a tensioning shoe, a tensioning shaft and a driving assembly, the driving assembly drives the tensioning shaft to move axially, pushes the tensioning shoe to squeeze and fix the inner hole wall of the roller, or releases the tensioning shoe, so that the tensioning shoe is separated from the inner hole wall of the roller, so that the roller kiln roller disassembly fixture can realize automatic fixation or separation of the roller. , which provides convenience for the maintenance personnel in replacing the rollers; by providing a fixed shaft sleeve and providing a rotational connection between the fixed shaft sleeve and the movable shaft sleeve, the maintenance personnel only need to grasp the fixed shaft sleeve to pull out the roller, and there is no need to keep the hand movement consistent with the rotation direction of the roller during the operation, which effectively reduces the difficulty of the roller replacement process and improves the roller replacement efficiency; at the same time, the roller kiln roller disassembly fixture separates the maintenance personnel's hands from the rollers arranged on the side, avoiding the possibility that the hands may be directly squeezed by the rollers arranged on the side, thereby improving the safety of the roller replacement operation; please refer to the following embodiments for details.

[0059] Please refer to Figures 1 to 3In the first embodiment of the present application, a roller kiln roller disassembly fixture 10 is provided, including a movable shaft sleeve assembly 11, a fixed shaft sleeve 12, a plurality of tensioning shoes 13, a tensioning shaft 14 and a driving assembly 15; the fixed shaft sleeve 12 is sleeved on one end of the movable shaft sleeve assembly 11 and is rotatably connected to the movable shaft sleeve assembly 11; the plurality of tensioning shoes 13 are movably inserted on the outer periphery of the movable shaft sleeve assembly 11 and are located on the other end of the movable shaft sleeve assembly 11; one end of the tensioning shaft 14 is slidably arranged in the movable shaft sleeve assembly 11 and is wedge-fitted with the tensioning shoes 13; the driving assembly 15 is arranged on the fixed shaft sleeve 12 and is rotatably connected to the other end of the tensioning shaft 14, and the tensioning shaft 14 pushes or releases the tensioning shoes 13 under the driving action of the driving assembly 15.

[0060] It can be understood that the roller kiln roller disassembly fixture 10 provided in the present application can assist maintenance personnel in completing the replacement of the rollers 30 in a continuously operating roller kiln, effectively reducing the operational difficulty of the roller 30 replacement process, improving the convenience of maintenance personnel, and avoiding the risk of maintenance personnel's hands directly contacting the roller 30 and being easily squeezed by the rollers 30 arranged on the side, thereby improving the safety of the maintenance personnel's roller 30 replacement process. The roller 30 is a tubular structure. When in use, one end of the roller kiln roller disassembly fixture 10 is inserted into the inner hole of the roller 30, and the tensioning shoe 13 is tightened to squeeze the inner hole wall of the roller 30 to achieve the fixation of the roller kiln roller disassembly fixture 10 and the roller 30. The maintenance personnel hold the roller kiln roller disassembly fixture 10 in their hands to pull out the roller 30 for replacement;

[0061] Specifically, a plurality of tensioning shoes 13 are movably inserted on the outer periphery of the movable shaft sleeve assembly 11, and a plurality of tensioning shoes 13 are distributed on the outer periphery of the movable shaft sleeve assembly 11, and are used to tighten the inner wall of the extrusion roller 30; one end of the tensioning shaft 14 extends into the inner hole of the movable shaft sleeve assembly 11, and is wedge-matched with one side of the tensioning shoe 13, that is, a conical surface is provided on the tensioning shaft 14 to match the inclined surface provided on the tensioning shoe 13. When the tensioning shaft 14 moves axially, the tensioning shaft 14 pushes or releases the tensioning shoe 13, and the tensioning shoe 13 matched with the tensioning shaft 14 pushes outward or contracts inward; the other end of the tensioning shaft 14 is located on the outer periphery of the movable shaft sleeve assembly 11 The tensioning shaft 14 is rotatably connected to the driving assembly 15, and the driving assembly 15 drives the tensioning shaft 14 to move axially (forward or backward), so that the tensioning shaft 14 pushes the tensioning shoe 13, driving the tensioning shoe 13 to move radially toward the outer periphery of the movable sleeve assembly 11, and the tensioning shoe 13 squeezes the inner hole wall of the roller rod 30 and is fixed thereto, or the tensioning shaft 14 releases the tensioning shoe 13, and the tensioning shoe 13 moves radially toward the inner hole of the movable sleeve assembly 11, and the tensioning shoe 13 is separated from the inner hole wall of the roller rod 30 and a gap is formed, which makes it convenient for maintenance personnel to extract the roller kiln roller rod disassembly fixture 10 from the inner hole of the roller rod 30 or insert it into the inner hole of the roller rod 30 when it is used again;

[0062] The fixed shaft sleeve 12 is sleeved on the movable shaft sleeve assembly 11 and is rotatably connected to the movable shaft sleeve assembly 11. When the maintenance personnel uses it, they hold the fixed shaft sleeve 12 with their hands. After the tensioning shoe 13 squeezes and fixes the inner hole wall of the roller rod 30, the tensioning shoe 13, the tensioning shaft 14 and the movable shaft sleeve assembly 11 will rotate with the roller rod 30, and the fixed shaft sleeve 12 and the driving assembly 15 remain fixed relative to the roller rod 30. The maintenance personnel only needs to hold the fixed shaft sleeve 12 with their hands to extract the roller rod 30, and there is no need to keep the hand movements consistent with the rotation direction of the roller rod 30, which effectively reduces the maintenance personnel's roller rod 30. The operation difficulty of the replacement process. At the same time, the maintenance personnel use the roller kiln roller rod disassembly fixture 10 to pull out the roller rod 30. The roller kiln roller rod disassembly fixture 10 can separate the hands from the roller rod 30 arranged on the side, effectively avoiding the hands from being directly squeezed by the roller rod 30 arranged on the side, and improving the safety of the maintenance personnel's stick replacement operation; after pulling out the roller rod 30, the maintenance personnel start the drive component 15 to drive the tensioning shaft 14 to release the tensioning shoe 13, so that the tensioning shoe 13 is separated from the inner hole wall of the roller rod 30, and the roller kiln roller rod disassembly fixture 10 is pulled out of the inner hole of the roller rod 30 to put down the roller rod 30.

[0063] By setting a movable sleeve assembly 11, a tensioning shoe 13, a tensioning shaft 14 and a driving assembly 15, the driving assembly 15 drives the tensioning shaft 14 to move axially, pushes the tensioning shoe 13 to squeeze the inner hole wall of the fixed roller rod 30, or releases the tensioning shoe 13, so that the tensioning shoe 13 is separated from the inner hole wall of the roller rod 30, so that the roller kiln roller rod disassembly fixture 10 can automatically fix or separate the roller rod 30, which provides convenience for the maintenance personnel to replace the roller rod 30; by setting a fixed sleeve 12 and setting a fixed sleeve 1 2 is rotatably connected to the movable shaft sleeve, so that the maintenance personnel only needs to grasp the fixed shaft sleeve 12 to pull out the roller rod 30. During the operation, there is no need to keep the hand movement consistent with the rotation direction of the roller rod 30, which effectively reduces the difficulty of the roller rod 30 replacement process and improves the replacement efficiency of the roller rod 30; at the same time, the roller kiln roller rod disassembly fixture 10 separates the maintenance personnel's hands from the roller rods 30 arranged on the side, preventing the hands from being directly squeezed by the roller rods 30 arranged on the side, thereby improving the safety of the roller rod 30 replacement operation.

[0064] Please continue to refer to Figures 1 to 3In other preferred embodiments, the movable sleeve assembly 11 includes a first sleeve 111 and a second sleeve 112; the first sleeve 111 is provided with a first inner hole 1111, and a plurality of sliding grooves 1112 communicating with the first inner hole 1111 are provided on the outer periphery of the first sleeve 111, and the tensioning shoe 13 is movably inserted into the sliding groove 1112; the second sleeve 112 is connected to the first sleeve 111, and the second sleeve 112 is provided with a second inner hole 1121 communicating with the first inner hole 1111, and the fixed sleeve 12 is rotatably connected to the outer periphery of the second sleeve 112; wherein, one end of the tensioning shaft 14 is arranged in the first inner hole 1111 and the second inner hole 1121, and the other end of the tensioning shaft 14 is rotatably connected to the driving assembly 15.

[0065] It can be understood that the end faces of the first sleeve 111 and the second sleeve 112 are connected and can be connected by bolts to facilitate installation and disassembly. The first inner hole 1111 is connected to the second inner hole 1121. One end of the tensioning shaft 14 slides in the first inner hole 1111 and the second inner hole 1121. The other end of the tensioning shaft 14 extends out of the second inner hole 1121 and is rotatably connected to the driving component 15. A plurality of sliding grooves 1112 are provided on the first sleeve 111. The tensioning shoe 13 slides in the sliding grooves 1112 and is wedge-fitted with the tensioning shaft 14 to drive the tensioning shaft 14. The component 15 drives the tensioning shaft 14 to move, and the tensioning shaft 14 pushes or releases the tensioning shoe 13, so that the tensioning shoe 13 is squeezed and fixed or detached from the inner hole wall of the roller rod 30, providing a guarantee for the replacement operation of the roller rod 30; by setting the first shaft sleeve 111 and the second shaft sleeve 112, a moving track is provided for the tensioning shoe 13 and the tensioning shaft 14, ensuring that the tensioning shoe 13 and the tensioning shaft 14 can fix or detach the inner hole wall of the roller rod 30 under the driving action of the driving component 15, thereby providing an effective guarantee for the replacement operation of the roller rod 30.

[0066] Please continue to refer to Figures 1 to 3 In other preferred embodiments, multiple sliding grooves 1112 are evenly distributed on the outer periphery of the first shaft sleeve 111, and multiple tensioning shoes 13 are slidably inserted into the corresponding sliding grooves 1112; by setting multiple sliding grooves 1112 evenly distributed on the first shaft sleeve 111, it can be ensured that multiple tensioning shoes 13 form a uniform squeezing effect on the inner hole wall of the roller rod 30 under the pushing action of the tensioning shaft 14, thereby improving the reliability of the connection between the tensioning shoes 13 and the inner hole wall of the roller rod 30, and avoiding the roller kiln roller rod disassembly fixture 10 from loosening from the inner hole of the roller rod 30 during the replacement of the roller rod 30, providing effective protection for the roller kiln roller rod disassembly fixture 10 to assist maintenance personnel in completing the replacement operation of the roller rod 30.

[0067] Please continue to refer to Figures 1 to 3In other preferred embodiments, the tensioning shoe 13 includes a tile 131 and a rib 132; the tile 131 is located on the outer periphery of the first sleeve 111; the rib 132 is movably inserted into the sliding groove 1112, one side of the rib 132 is connected to the tile 131, and the other side of the rib 132 is wedge-fitted with the tensioning shaft 14.

[0068] It can be understood that the tile 131 and the rib 132 are connected to form a T-shaped structure, and the rib 132 slides in the sliding groove 1112. The side of the rib 132 away from the tile 131 is provided with an inclined surface, and the rib 132 is wedge-fitted with the conical surface of the tensioning shaft 14 through the inclined surface; the side of the tile 131 away from the rib 132 is arc-shaped, and the tensioning shaft 14 pushes the rib 132, so that the tile 131 squeezes the inner hole wall of the roller rod 30, thereby fixing the roller kiln roller rod disassembly fixture 10 on the roller rod 30; by providing the tile 131 and the rib 132, it provides a guarantee for the roller kiln roller rod disassembly fixture 10 to effectively fix the roller rod 30.

[0069] Please continue to refer to Figures 1 to 3 In some other preferred embodiments, the tensioning shoe 13 further includes an elastic buffer layer 133 , and the elastic buffer layer 133 is arranged on the side of the tile 131 away from the rib 132 .

[0070] It can be understood that by arranging the elastic buffer layer 133 on the tile 131, when the tensioning shoe 13 squeezes the inner hole wall of the roller rod 30, the elastic buffer layer 133 plays a buffering effect, prompting the tile 131 to fully fit with the inner hole wall of the roller rod 30, thereby making the tensioning shoe 13 form a uniform force on the inner hole wall of the roller rod 30, avoiding excessive local force on the local hole wall of the roller rod 30, causing damage to the roller rod 30, and at the same time ensuring the reliability of the connection between the tensioning shoe 13 and the inner hole of the roller rod 30, providing effective protection for the maintenance personnel's roller rod 30 replacement operation.

[0071] Please refer to Figures 3 to 5 In some other preferred embodiments, the movable sleeve assembly 11 further includes a first limiting ring 113, a first elastic structure 114, a second limiting ring 115 and a second elastic structure 116; the first limiting ring 113 is sleeved on the end of the first sleeve 111 away from the second sleeve 112, and is wedge-fitted with one end of the rib 132, and the first limiting ring 113 is elastically connected to the first sleeve 111 through the first elastic structure 114; the second limiting ring 115 is accommodated in the first inner hole 1111, and is located on the end of the first sleeve 111 close to the second sleeve 112, and is wedge-fitted with the other end of the rib 132, and the second limiting ring 115 is elastically connected to the first sleeve 111 through the second elastic structure 116.

[0072] It can be understood that the first limiting ring 113 and the second limiting ring 115 are respectively located at the two ends of the first sleeve 111, and the first limiting ring 113 and the second limiting ring 115 are respectively wedge-matched with the two ends of the rib 132. Specifically, the first limiting ring 113 and the second limiting ring 115 are both provided with a first conical surface 1171 on the side facing the first sleeve 111, and the two ends of the rib 132 are both provided with a second conical surface 1321 that matches the first conical surface 1171. The second conical surface 1321 is provided along the rib The direction of the plate 132 away from the tile 131 is inclined toward the outward direction of the two ends of the rib plate 132 to ensure that the first limiting ring 113 and the second limiting ring 115 squeeze the rib plate 132 to cause the tensioning shoe 13 to retract; the first limiting ring 113 is elastically connected to the first shaft sleeve 111 through the first elastic structure 114, and the second limiting ring 115 is elastically connected to the first shaft sleeve 111 through the second elastic structure 116. The first elastic structure 114 generates an elastic force on the first limiting ring 113. The second elastic structure 116 generates an elastic force on the second limiting ring 115, so that the first limiting ring 113 and the second limiting ring 115 respectively form an extrusion force at both ends of the rib 132, prompting the rib 132 to move radially toward the first inner hole 1111 in the sliding groove 1112, that is, the tensioning shoe 13 contracts inwardly under the action of the first limiting ring 113 and the second limiting ring 115, making it convenient for maintenance personnel to remove the roller kiln roller rod disassembly fixture 10 from the inner hole of the roller rod 30. Insert or withdraw; by setting the first limiting ring 113, the first elastic structure 114, the second limiting ring 115 and the second elastic structure 116, the tightening shoe 13 on the first sleeve 111 has an automatic shrinking effect, which effectively reduces the structural size of the part of the roller kiln roller rod disassembly fixture 10 that extends into the inner hole of the roller rod 30, thereby making it convenient for maintenance personnel to insert or withdraw the roller kiln roller rod disassembly fixture 10 from the inner hole of the roller rod 30, thereby improving the convenience of maintenance personnel in replacing the roller rod 30.

[0073] Please continue to refer to Figure 3 and Figure 4 In other preferred embodiments, a avoidance step surface 1322 is provided on the side of the rib 132 close to the first limiting ring 113, and the avoidance step surface 1322 is accommodated in the sliding groove 1112, and the avoidance step surface 1322 is spaced apart from the groove wall of the sliding groove 1112, and the second conical surface 1321 adjacent to the avoidance step surface 1322 is located outside the sliding groove 1112.

[0074] It can be understood that by providing the avoidance step surface 1322 , adjustment space is reserved for the tensioning shoe 13 , which makes it easier for maintenance personnel to install and adjust the tensioning shoe 13 on the first shaft sleeve 111 .

[0075] Please continue to refer to Figures 3 to 5In some other preferred embodiments, the first elastic structure 114 and the second elastic structure 116 both include a guide screw 1172 and a compression spring 1173, the guide screw 1172 passes through the first limiting ring 113 or the second limiting ring 115, and is connected to the first sleeve 111; the compression spring 1173 is sleeved on the guide screw 1172, and the two ends of the compression spring 1173 respectively abut against the head of the guide screw 1172 and the first limiting ring 113 or the second limiting ring 115.

[0076] It can be understood that the guide screw 1172 includes a head and a rod, the rod is screwed to the first sleeve 111, and the screw connection distance between the rod and the first sleeve 111 is adjusted by twisting the head of the guide screw 1172. A shoulder is formed at the connection between the head and the rod, and the shoulder has a limiting effect on the compression spring 1173. The two ends of the compression spring 1173 respectively abut against the shoulder and the first limiting ring 113 or the second limiting ring 115, forming an elastic force on the first limiting ring 113 or the second limiting ring 115, so that the first limiting ring 1173 is pressed against the first limiting ring 113 or the second limiting ring 115. 3 or the second limiting ring 115 squeezes the tensioning shoe 13, so that the tensioning shoe 13 automatically shrinks; by setting the guide screw 1172 and the compression spring 1173, a continuous elastic effect is formed on the first limiting ring 113 or the second limiting ring 115, so that the first limiting ring 113 or the second limiting ring 115 squeezes the tensioning shoe 13, so that the tensioning shoe 13 automatically shrinks, thereby making it convenient for maintenance personnel to extend or withdraw the roller kiln roller bar disassembly fixture 10 from the inner hole of the roller bar 30, thereby improving the convenience of maintenance personnel in replacing the roller bar 30.

[0077] Please refer to Figure 2 and Figure 3 In other preferred embodiments, the movable sleeve assembly 11 further includes a linear bearing 118 and a retaining spring 119. The linear bearing 118 is arranged in cooperation with the tensioning shaft 14 and is arranged in cooperation with the second inner hole 1121. The retaining spring 119 is embedded in the inner wall of the second inner hole 1121 and abuts against the linear bearing 118. The second inner hole 1121 is set as a stepped hole, and the linear bearing 118 is fixed in the stepped hole by the retaining spring 119. The linear bearing 118 has a guiding effect on the tensioning shaft 14, effectively improving the stability of the tensioning shaft 14 during the forward and backward movement, thereby improving the reliability of the disassembly fixture clamping the fixed roller bar 30.

[0078] Please refer to Figure 6 and Figure 7In some other preferred embodiments, the fixed sleeve 12 is provided with a third inner hole 121, and the two ends of the third inner hole 121 are respectively provided with a first groove 122 and a second groove 123; a first shoulder 1122 is provided on the outer periphery of the second sleeve 112; the roller kiln roller rod disassembly fixture 10 further includes a first bearing 161, a second bearing 162, a first locking nut 163 and a first retaining ring 164; the first bearing 161 is cooperated with the second sleeve 112 and the first groove 122, and the first bearing 161 abuts against the first shoulder 1122; the second bearing 162 is cooperated with the second sleeve 112 and the second groove 123; the first locking nut 163 and the first retaining ring 164 are both sleeved on the second sleeve 112, the first locking nut 163 is connected to the second sleeve 112, and the two sides of the first retaining ring 164 abut against the second bearing 162 and the first locking nut 163 respectively.

[0079] It can be understood that the inner ring of the first bearing 161 is sleeved on the second sleeve 112 and abuts against the first shoulder 1122. The outer ring of the first bearing 161 is fitted in the first groove 122. The first shoulder 1122 limits the first bearing 161 in the first groove 122. The inner ring of the second bearing 162 is sleeved on the second sleeve 112, and the outer ring of the second bearing 162 is fitted in the second groove 123. The first locking nut 163 is threadedly connected to the second sleeve 112. The first locking nut 163 and the first retaining ring 164 limit the second bearing 162 in the second groove 123. By setting the first shoulder 1122, the first groove 122 and the second groove 123, the first locking nut 1 63 and the first retaining ring 164, realize fixing the first bearing 161 and the second bearing 162 between the second sleeve 112 and the third sleeve, ensuring the rotational connection between the second sleeve 112 and the third sleeve, and providing a guarantee for auxiliary maintenance personnel to replace the roller rod 30 and reduce the difficulty of operation; at the same time, the maintenance personnel can screw the first locking nut 163 to install the third sleeve, the first bearing 161 and the second bearing 162 on the second sleeve 112 or remove them from the second sleeve 112, so as to facilitate maintenance and replacement during use; the number of the first bearing 161 and the second bearing 162 can be set to 1, 2 or more, which can be selected according to the actual load-bearing needs and is not limited by this application.

[0080] Please continue to refer to Figures 1 to 3In other preferred embodiments, the driving assembly 15 includes a mounting plate 151, a screw stepper motor 152 and a pushing structure 153; the mounting plate 151 is connected to one end of the fixed sleeve 12; the screw stepper motor 152 is arranged on the mounting plate 151; the screw nut 1521 of the screw stepper motor 152 is arranged on one end of the pushing structure 153, and the other end of the pushing structure 153 is rotatably connected to the tensioning shaft 14.

[0081] It can be understood that the screw stepper motor 152 includes a ball screw and a screw nut 1521. When the ball screw rotates, the screw nut 1521 that cooperates with the ball screw moves along the ball screw, driving the pushing structure 153 to move along the axial direction of the ball screw; the screw stepper motor 152 is fixed to the fixed sleeve 12 through the mounting plate 151. Under the driving action of the screw stepper motor 152, the screw nut 1521 drives the pushing structure 153 to move, and the tensioning shaft 14 that is rotationally connected to the pushing structure 153 moves accordingly, pushing or releasing the tensioning shoe 13; by setting the mounting plate 151, the screw stepper motor 152 and the pushing structure 153, the driving action of the tensioning shaft 14 is realized, so that the roller kiln roller rod disassembly fixture 10 can realize automatic fixing or disengagement of the roller rod 30, which provides convenience for the maintenance personnel to replace the roller rod 30.

[0082] Please refer to Figure 2 、 Figure 6 and Figure 8 In other preferred embodiments, a second shoulder 141 is provided on the outer periphery of the tensioning shaft 14; the pushing structure 153 includes a bearing seat 154, a third bearing 155, a fourth bearing 156, a second locking nut 157, a second retaining ring 158 and a push plate 159; the bearing seat 154 is provided with a fourth inner hole 1541, and the two ends of the fourth inner hole 1541 are respectively provided with a third groove (not shown) and a fourth groove (not shown); the third bearing 155 is provided in cooperation with the tensioning shaft 14 and the third groove, and The third bearing 155 abuts against the second shoulder 141; the fourth bearing 156 is arranged in cooperation with the tensioning shaft 14 and the fourth groove; the second locking nut 157 and the second retaining ring 158 are both sleeved on the tensioning shaft 14, the second locking nut 157 is connected to the tensioning shaft 14, and the two sides of the second retaining ring 158 respectively abut against the fourth bearing 156 and the second locking nut 157; the two ends of the push plate 159 are respectively connected to the nut of the screw stepper motor 152 and the bearing seat 154.

[0083] It can be understood that the second shoulder 141 is located on the end of the tensioning shaft 14 extending out of the movable sleeve assembly 11; the inner ring of the third bearing 155 is sleeved on the tensioning shaft 14 and abuts against the second shoulder 141, the outer ring of the third bearing 155 is cooperated and arranged in the third groove, and the second shoulder 141 limits the third bearing 155 in the third groove; the inner ring of the fourth bearing 156 is sleeved on the tensioning shaft 14, and the outer ring of the fourth bearing 156 is cooperated and arranged in the fourth groove; the second locking nut 157 is threadedly connected to the tensioning shaft 14; the second locking nut 157 and the second retaining ring 158 limit the fourth bearing 156 in the fourth groove; by setting the second shoulder 141, the third groove and the fourth groove, the second locking nut 157 and the second The retaining ring 158 fixes the third bearing 155 and the fourth bearing 156 between the tensioning shaft 14 and the bearing seat 154, ensuring the rotational connection between the tensioning shaft 14 and the bearing seat 154, providing a guarantee for the driving component 15 to drive the tensioning shaft 14, and ensuring that the maintenance personnel can complete the replacement operation of the roller rod 30; at the same time, the maintenance personnel can screw the second locking nut 157 to install the bearing seat 154, the third bearing 155 and the fourth bearing 156 on the tensioning shaft 14 or remove them from the tensioning shaft 14, so as to facilitate maintenance and replacement during use; the number of the third bearing 155 and the fourth bearing 156 can be set to 1, 2 or more, which can be selected according to the actual load-bearing needs and is not limited by this application.

[0084] Please continue to refer to Figure 2 、 Figure 6 、 Figure 8 and Figure 9 In other preferred embodiments, the roller kiln roller rod disassembly fixture 10 further includes a clamp 17 and an adjusting nut 181; the clamp 17 is sleeved on the tensioning shaft 14, one end of the clamp 17 is connected to the pushing structure 153, the outer periphery of the clamp 17 is provided with a conical surface 171, and the outer periphery of the clamp 17 is provided with an axial opening groove 172; the adjusting nut 181 is connected to the conical surface 171.

[0085] The cam 17 is then released from the engagement of the spring 17 with the spring 17, and the spring 17 is released from the engagement of the spring 17 with the spring 17, and the engagement of the spring 17 with the spring 17 is resumed. When installing the roller rod 30, after the roller rod 30 is inserted into the cup-shaped jacket 311 on the roller rod driving member 31, the waist-shaped slot 301 of the roller rod 30 needs to be aligned with the elastic retaining spring 312 provided on the cup-shaped jacket 311. In traditional operation, the maintenance personnel directly grasp the roller rod 30 with their hands. When the cup-shaped jacket 311 is rotated until the elastic retaining spring 312 is stuck in the waist-shaped slot 301 of the roller rod 30, the roller rod 30 is quickly loosened to avoid twisting off the roller rod 30. When using the roller kiln roller disassembly fixture 10, the adjusting nut can be 181 is tightened to an intermediate state, that is, the clamp 17 can slightly clamp the roller rod 30, so that the roller rod 30 does not rotate with the cup-shaped jacket 311. When the cup-shaped jacket 311 rotates until the elastic retaining spring 312 is stuck in the waist-shaped slot 301 of the roller rod 30, the roller rod 30 rotates with the cup-shaped jacket 311. At this time, the tensioning shaft 14 rotates with the roller rod 30, and the clamping force of the clamp 17 on the tensioning shaft 14 is small, which avoids the roller rod 30 being broken by the clamping force when the elastic retaining spring 312 is stuck in the waist-shaped slot 301 of the roller rod 30.

[0086] Please continue to refer to Figures 1 to 3 In some other preferred embodiments, the roller kiln roller rod disassembly fixture 10 further includes a toggle switch 182 , which is disposed on the fixed sleeve 12 and electrically connected to the drive assembly 15 .

[0087] It can be understood that the toggle switch 182 is used to control the moving direction of the tensioning shaft 14. Specifically, the toggle switch 182 is electrically connected to the screw stepper motor 152 in the drive assembly 15. When in use, the maintenance personnel press the toggle switch 182 to control the forward and reverse rotation of the screw stepper motor 152, change the movement mode of the screw nut 1521, and then change the moving direction of the tensioning shaft 14, thereby realizing effective control of the outward pushing or inward contraction action of the tensioning shoe 13; by setting the toggle switch 182, the maintenance personnel can adjust the fixing and loosening action of the tensioning shoe 13 on the inner hole of the roller rod 30, realize the automatic fixing or detachment of the roller rod disassembly fixture 10 on the roller rod 30, reduce the difficulty of the roller rod 30 replacement operation, and effectively improve the convenience of the maintenance personnel in the roller rod 30 replacement operation.

[0088] Please refer to Figure 1 、 Figure 2 and Figure 6 In some other preferred embodiments, the roller kiln roller rod disassembly fixture 10 further includes a guide cone head 19, and the guide cone head 19 is connected to the end of the movable sleeve assembly 11 away from the fixed sleeve 12.

[0089] It can be understood that the guide cone head 19 has a guiding function, which makes it easier for maintenance personnel to insert the roller kiln roller rod disassembly fixture 10 into the inner hole of the roller rod 30, effectively improving the convenience of maintenance personnel in replacing the roller rod 30.

[0090] Please continue to refer to Figure 1 、 Figure 2 and Figure 6 In other preferred embodiments, the guide cone head 19 is detachably connected to the first sleeve 111, a guide conical surface 191 is provided on one side of the guide cone head 19, and a mounting groove 192 is provided on the other side of the guide cone. One end of the first sleeve 111 is provided in the mounting groove 192, and the first limiting ring 113 and the first elastic structure 114 are accommodated in the mounting groove 192.

[0091] It can be understood that the guide conical surface 191 plays a guiding role, making it convenient for maintenance personnel to insert the roller kiln roller rod disassembly fixture 10 into the inner hole of the roller rod 30; the installation groove 192 can realize the hidden installation of the first limiting ring 113 and the first elastic structure 114, effectively improving the structural aesthetics of the roller kiln roller rod disassembly fixture 10.

[0092] See also Figure 10The second embodiment of the present application provides a control system 20 for the roller kiln roller disassembly fixture 10 as described above, including a pressure sensor 21, an analog-to-digital converter 22, a drive module 23 and a microcontroller 24; the pressure sensor 21 is arranged on the side of the tensioning shoe 13 away from the tensioning shaft 14; the analog-to-digital converter 22 is electrically connected to the pressure sensor 21; the drive module 23 is electrically connected to the drive assembly 15; the analog-to-digital converter 22 and the drive module 23 are both electrically connected to the microcontroller 24.

[0093] It can be understood that the pressure sensor 21 is arranged on the side of the tensioning shoe 13 close to the inner hole wall of the roller rod 30, and is used to detect the pressure applied to the tensioning shoe 13 during the process of tensioning the roller rod 30, that is, the tensioning force; the analog-to-digital converter 22 converts the analog signal transmitted by the pressure sensor 21 into a digital signal for processing by the microcontroller 24; the drive module 23 is electrically connected to the drive assembly 15, and the drive module 23 is electrically connected to the screw stepper motor 152 to accurately drive the rotation of the screw stepper motor 152; the microcontroller 24 receives the pressure signal detected by the pressure sensor 21, controls the rotation of the screw stepper motor 152 through the drive module 23, and thereby effectively controls the moving speed of the tensioning shaft 14 and the outward pushing speed of the tensioning shoe 13;

[0094] Specifically, a corresponding relationship between the pressure range and the rotational speed of the screw stepper motor 152 is set. The comparison circuit in the microcontroller 24 determines that the current pressure value detected by the pressure sensor 21 is within the preset pressure range, and then controls the screw stepper motor 152 to rotate at a predetermined rotational speed. For example, if the upper limit of the tensioning force is set to 3N, when the real-time pressure detected by the pressure sensor 21 is less than 30% of the upper limit of the tensioning force, that is, less than 0.9N, the screw stepper motor 152 rotates at a preset initial rotational speed n1; when the real-time pressure is greater than or equal to 30% of the upper limit of the tensioning force, the screw stepper motor 152 rotates at a slow tensioning rotational speed n2; when the real-time pressure detected by the pressure sensor 21 is greater than or equal to the preset tensioning force of 3N, the microcontroller 24 sends a signal to the drive module 23 to stop the screw stepper motor 152.

[0095] By setting up a pressure sensor 21, an analog-to-digital converter 22, a drive module 23 and a microcontroller 24, the tensioning force of the roller kiln roller bar disassembly fixture 10 in the process of tightening and fixing the roller bar 30 can be detected, and the speed of the driving stepper motor can be adjusted according to the detected tensioning force, so as to achieve effective control of the moving speed of the tensioning shaft 14 and the outward pushing speed of the tensioning shoe 13, ensuring that the tensioning shoe 13 evenly squeezes the inner hole wall of the fixed roller bar 30, effectively avoiding damage to the roller bar 30 caused by excessive tensioning force, and at the same time realizing the automatic clamping of the roller bar 30 by the roller kiln roller bar disassembly fixture 10, effectively improving the automation of the roller bar 30 replacement process of the maintenance personnel, effectively reducing the operational difficulty of the roller bar 30 replacement by the maintenance personnel, and improving the replacement efficiency of the roller bar 30.

[0096] In other preferred embodiments, the control system 20 also includes a motor torque sensor 25, which is arranged on the screw stepper motor 152 and electrically connected to the microcontroller 24; the motor torque sensor 25 is used to detect the torque of the screw stepper motor 152, and when the screw stepper motor 152 is overloaded, it promptly feeds back a signal to the microcontroller 24 to avoid damage to the screw stepper motor 152 or even the entire roller kiln roller rod disassembly fixture 10.

[0097] In other preferred embodiments, the control system 20 also includes a first limit switch 26 and a second limit switch 27; the first limit switch 26 and the second limit switch 27 are both electrically connected to the microcontroller 24, the first limit switch 26 and the second limit switch 27 are both arranged on the fixed sleeve 12, and the first limit switch 26 and the second limit switch 27 are respectively located at the stroke position of the screw nut 1521 of the screw stepper motor 152.

[0098] It can be understood that the first limit switch 26 and the second limit switch 27 are respectively set at the forward end position and the backward end position of the screw nut 1521 of the screw stepper motor 152. When the screw nut 1521 touches the first limit switch 26, it means that the tensioning shoe 13 has reached the maximum open position. When the screw nut 1521 touches the second limit switch 27, it means that the tensioning shoe 13 has reached the minimum contraction position. By setting the first limit switch 26 and the second limit switch 27, effective control is achieved on the clamping and fixing of the roller rod 30 by the roller kiln roller rod disassembly fixture 10 and the release from the roller rod 30, which provides effective protection for auxiliary maintenance personnel to complete the replacement of the roller rod 30.

[0099] In some other preferred embodiments, the control system 20 further includes a temperature sensor 281 . The temperature sensor 281 is disposed on an end of the tensioning shaft 14 facing away from the driving assembly 15 and is electrically connected to the microcontroller 24 .

[0100] It can be understood that the temperature sensor 281 is used to detect the temperature of the roller 30 to assist maintenance personnel in replacing the roller 30 .

[0101] In some other preferred embodiments, the control system 20 further includes a setting panel 282 and a display screen 29 ; the setting panel 282 is electrically connected to the microcontroller 24 ; and the display screen 29 is electrically connected to the microcontroller 24 .

[0102] It can be understood that the setting panel 282 is used to set the upper limit of the tightening force, the upper limit of the motor torque, the initial tightening speed, the slow tightening speed, etc.; the display screen 29 is used to display the power of the power supply circuit, the real-time pressure value detected by the pressure sensor 21, the set upper limit of the tightening force, the real-time torque of the stepper motor, the set upper limit of the torque, the real-time temperature, etc.; by setting the panel 282 and the display screen 29, the maintenance personnel can intuitively and flexibly control the process parameters of the roller kiln roller bar disassembly fixture 10 for clamping the fixed roller bar 30, so as to ensure that the roller kiln roller bar disassembly fixture 10 assists the maintenance personnel in successfully completing the replacement of the roller bar 30.

[0103] In other preferred embodiments, the control system 20 also includes a power supply circuit, which is electrically connected to the pressure sensor 21, the analog-to-digital converter 22, the drive module 23, the microcontroller 24, the setting panel 282, the display screen 29, and the temperature sensor 281. A battery is provided in the power supply circuit for powering each component.

[0104] In some preferred embodiments, the control system 20 is implemented as follows:

[0105] Step 1: The maintenance personnel pre-set the upper limit of the tightening force, the upper limit of the motor torque, the initial tightening speed and the slow tightening speed on the setting panel 282;

[0106] Specifically, the upper limit of the tensioning force is set to 3N, the upper limit of the motor torque is set to 10mN·m, the initial tensioning speed is v0=0.5mm / s, and the slow tensioning speed v1 is 0.1mm / s; the microcontroller 24 calculates the speed as follows: the screw lead p of the stepper motor is preferably 2mm, and the taper a of the conical surface on the tensioning shaft 14 is preferably 2°; the initial axial movement speed of the tensioning shaft 14 is: V1=v0 / tan a=0.5 / tan 2°≈14.3mm / s; the initial speed of the screw stepper motor 152 is: n1=V1 / p=14.3 / 2=7.15r / s=429r / min; the axial movement speed of the tensioning shaft 14 at slow speed is V2=v1 / tan a=0.1 / tan 2°≈2.86mm / s; the slow tightening speed output by the stepper motor n2=V2 / p=2.86 / 2=1.43r / s=85.8r / min;

[0107] Step 2: The maintenance personnel operates the toggle switch 182. The microcontroller 24 receives the command signal from the toggle switch 182 and sends a corresponding control signal to the drive module 23. The screw stepper motor 152 rotates in the opposite direction according to the initial speed n1. When the screw nut 1521 touches the second limit switch 27, it indicates that the tensioning shoe 13 has retracted to the limit position. The microcontroller 24 receives the signal from the second limit switch 27 and sends a control signal to the control drive module 23. The screw stepper motor 152 stops, and the maintenance personnel inserts the roller kiln roller bar disassembly fixture 10 into the inner hole of the roller bar 30.

[0108] Step 3: The maintenance personnel operates the toggle switch 182. The microcontroller 24 receives the command signal from the toggle switch 182 and sends a corresponding control signal to the drive module 23. The screw stepper motor 152 rotates forward at the initial speed n1. When the real-time pressure value detected by the pressure sensor 21 is greater than or equal to 30% of the upper limit of the tightening force, the microcontroller 24 receives the signal from the pressure sensor 21 and sends a control signal to the drive module 23. The screw stepper motor 152 rotates at the slow tightening speed n2 until the real-time pressure detected by the pressure sensor 21 is greater than or equal to the upper limit of the tightening force. The microcontroller 24 receives the signal from the pressure sensor 21 and sends a control signal to the drive module 23. The screw stepper motor 152 stops.

[0109] Among them, 30% of the upper limit of the tensioning force, that is, 3N*30%=0.9N;

[0110] Step 4: The maintenance worker pulls the roller rod 30 through the roller kiln roller rod disassembly fixture 10, disengaging the driving end of the roller rod 30 from the roller rod driving member 31 in the roller kiln. The maintenance worker continues to pull the roller rod 30 outward until the roller rod 30 is about to be removed from the kiln. Another maintenance worker then grips the driving end of the roller rod 30, and the two workers work together to continue pulling the roller rod 30 out and move it to the storage area.

[0111] Step 5: After the roller 30 is moved to the storage area, the maintenance personnel operates the toggle switch 182. After the tension shoe 13 is retracted to the limit position as in step 2, the roller kiln roller disassembly fixture 10 can be pulled out from the inner hole of the roller 30.

[0112] To summarize, the present application provides a roller kiln roller disassembly fixture and a control system thereof, wherein the roller kiln roller disassembly fixture comprises: a movable shaft sleeve assembly; a fixed shaft sleeve, which is sleeved on one end of the movable shaft sleeve assembly and is rotatably connected to the movable shaft sleeve assembly; a plurality of tensioning shoes, which are movably inserted on the outer periphery of the movable shaft sleeve assembly and are located on the other end of the movable shaft sleeve assembly; a tensioning shaft, wherein one end of the tensioning shaft is slidably arranged in the movable shaft sleeve assembly and is wedge-fitted with the tensioning shoe; a driving assembly, which is arranged on the fixed shaft sleeve and is rotatably connected to the other end of the tensioning shaft, and the tensioning shaft pushes or releases the tensioning shoe under the driving action of the driving assembly. By arranging a movable sleeve assembly, a tensioning shoe, a tensioning shaft and a driving assembly, the driving assembly drives the tensioning shaft to move axially, pushes the tensioning shoe to squeeze the inner hole wall of the fixed roller rod, or releases the tensioning shoe, so that the tensioning shoe is separated from the inner hole wall of the roller rod, so that the roller kiln roller rod disassembly fixture can automatically fix or disengage the roller rod, which provides convenience for the maintenance personnel to replace the roller rod; by arranging a fixed sleeve and arranging a rotation connection between the fixed sleeve and the movable sleeve, the maintenance personnel only need to grasp the fixed sleeve to pull out the roller rod, and there is no need to keep the hand movement consistent with the rotation direction of the roller rod during the operation, which effectively reduces the difficulty of the roller rod replacement process and improves the efficiency of roller rod replacement; at the same time, the roller kiln roller rod disassembly fixture separates the maintenance personnel's hands from the roller rods arranged on the side, avoiding the possibility that the hands may be directly squeezed by the roller rods arranged on the side, thereby improving the safety of the roller rod replacement operation.

[0113] It should be understood that the application of this application is not limited to the above examples. For ordinary technicians in this field, they can make improvements or changes based on the above description. All these improvements and changes should fall within the scope of protection of the claims attached to this application.

Claims

1. A roller kiln roller rod disassembly fixture, characterized in that: include: Movable shaft sleeve assembly; a fixed shaft sleeve, the fixed shaft sleeve being sleeved on one end of the movable shaft sleeve assembly and being rotatably connected to the movable shaft sleeve assembly; a plurality of tensioning shoes, wherein the plurality of tensioning shoes are movably plugged into the outer periphery of the movable sleeve assembly and are located on the other end of the movable sleeve assembly; a tensioning shaft, one end of which is slidably disposed in the movable sleeve assembly and wedge-fitted with the tensioning shoe; A driving assembly, the driving assembly being disposed on the fixed sleeve and being rotatably connected to the other end of the tensioning shaft, wherein the tensioning shaft pushes or releases the tensioning shoe under the driving action of the driving assembly; The movable sleeve assembly comprises: a first sleeve, wherein the first sleeve defines a first inner hole, and a plurality of sliding grooves communicating with the first inner hole are defined on an outer circumference of the first sleeve, wherein the tensioning shoe is movably inserted into the sliding grooves; a second sleeve, the second sleeve being connected to the first sleeve, the second sleeve defining a second inner hole communicating with the first inner hole, the fixed sleeve being rotatably connected to an outer periphery of the second sleeve; Wherein, one end of the tensioning shaft is disposed in the first inner hole and the second inner hole, and the other end of the tensioning shaft is rotatably connected to the driving assembly; The tensioning shoe comprises: a tile, the tile being located on the outer periphery of the first sleeve; A rib plate, the rib plate being movably inserted into the sliding groove, one side of the rib plate being connected to the tile, and the other side of the rib plate being wedge-fitted with the tensioning shaft; The movable sleeve assembly also includes: a first limiting ring and a first elastic structure, wherein the first limiting ring is sleeved on an end of the first sleeve away from the second sleeve and is wedge-fitted with one end of the rib, and the first limiting ring is elastically connected to the first sleeve via the first elastic structure; a second limiting ring and a second elastic structure, wherein the second limiting ring is accommodated in the first inner hole and is located on one end of the first sleeve close to the second sleeve and is wedge-fitted with the other end of the rib, and the second limiting ring is elastically connected to the first sleeve via the second elastic structure; The drive assembly includes: a mounting plate connected to one end of the fixed sleeve; A lead screw stepper motor, wherein the lead screw stepper motor is arranged on the mounting plate; The pushing structure, the screw nut of the screw stepping motor is arranged on one end of the pushing structure, and the other end of the pushing structure is rotatably connected to the tensioning shaft.

2. The roller kiln roller rod disassembly fixture according to claim 1, characterized in that: The fixed sleeve is provided with a third inner hole, and the two ends of the third inner hole are respectively provided with a first groove and a second groove; the outer periphery of the second sleeve is provided with a first shoulder; The roller kiln roller rod disassembly fixture also includes: a first bearing, wherein the first bearing is cooperatively disposed with the second sleeve and the first groove, and the first bearing abuts against the first shoulder; a second bearing, the second bearing being arranged in cooperation with the second sleeve and the second groove; A first locking nut and a first retaining ring, wherein the first locking nut and the first retaining ring are both sleeved on the second shaft sleeve, the first locking nut is connected to the second shaft sleeve, and two sides of the first retaining ring respectively abut against the second bearing and the first locking nut.

3. The roller kiln roller rod disassembly fixture according to claim 1, characterized in that: The roller kiln roller rod disassembly fixture also includes: A clamping hoop, the clamping hoop is sleeved on the tensioning shaft, one end of the clamping hoop is connected to the pushing structure, the outer periphery of the clamping hoop is provided with a tapered surface, and the outer periphery of the clamping hoop is provided with an axial opening groove; An adjusting nut is connected to the tapered surface.

4. The roller kiln roller disassembly fixture according to claim 1, characterized in that: The roller kiln roller rod disassembly fixture also includes: A toggle switch is provided on the fixed sleeve and is electrically connected to the drive assembly.

5. The roller kiln roller disassembly fixture according to any one of claims 1 to 4, characterized in that: The roller kiln roller rod disassembly fixture also includes: A guide cone head is connected to an end of the movable shaft sleeve assembly facing away from the fixed shaft sleeve.

6. A control system for a roller kiln roller disassembly fixture according to any one of claims 1 to 5, characterized in that: include: a pressure sensor, the pressure sensor being arranged on a side of the tensioning shoe facing away from the tensioning shaft; an analog-to-digital converter, the analog-to-digital converter being electrically connected to the pressure sensor; a driving module, the driving module being electrically connected to the driving assembly; The microcontroller is electrically connected to the analog-to-digital converter and the driving module.

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