Heat insulation conveying roller

Abstract

The utility model discloses a heat insulation conveying roller, which relates to the technical field of conveying rollers and comprises a roller shaft, a key groove is arranged at one end of the roller shaft, annular grooves are arrayed in the middle of the outer wall of the roller shaft at equal intervals, a separation sheet is arranged between every two adjacent annular grooves, and heat insulation sheets are symmetrically arranged between every two adjacent separation sheets. Flanges are arranged at the two ends of the annular groove, the partition pieces and the flanges are fixedly connected to the roller shaft, and guide pieces are symmetrically arranged between the partition pieces and the flanges. According to the heat insulation conveying roller, an original integrated conveying roller is changed into a structure with the heat insulation pieces capable of being replaced quickly, the function of reducing maintenance cost is achieved, meanwhile, the boss parts on the tops of the heat insulation pieces can make contact with a continuous casting billet, and the situation that heat is lost due to the fact that the separation pieces make contact with the continuous casting billet is avoided; and the heat preservation capacity of the conveying roller on the continuous casting billet is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying rollers, and more particularly to a heat-insulating conveying roller. Background Art

[0002] The insulated conveyor rollers within the continuous casting slab segmented insulation box are crucial components for ensuring smooth transport and temperature uniformity within the box. Their design must not only ensure smooth slab transport but also ensure excellent insulation performance in high-temperature environments to minimize heat loss and protect the conveyor system from damage.

[0003] Chinese patent application number 201720898653.5 discloses a highly efficient, heat-insulating, and high-temperature-resistant roller structure. The structure comprises a roller shaft; heat-resistant ribs are mounted on each end of the roller shaft, and a row of evenly spaced roller rings are positioned between the ribs. The roller rings are also mounted on the roller shaft, and refractory castables are filled between adjacent roller rings and between the roller rings and the ribs. However, this highly efficient, heat-insulating, and high-temperature-resistant roller structure presents the following problems during use:

[0004] 1. After long-term use, the refractory castables may be damaged, which will affect the transportation of the continuous casting billet. Since the refractory castables are filled between two adjacent roller rings by pouring, it is inconvenient to replace the damaged refractory castables. The entire conveyor roller can only be disassembled for replacement, which not only wastes maintenance time but also increases production costs.

[0005] 2. During transportation, part of the roller ring will still come into contact with the continuous casting billet, causing the heat of the continuous casting billet to move from the roller ring to the roller shaft, thereby causing the temperature of the continuous casting billet to drop and also affecting the conveying roller.

[0006] Therefore, it is necessary to propose a heat-insulating conveying roller to solve the above problems. Utility Model Content

[0007] In view of the above problems, the utility model provides a heat-insulating conveying roller; the heat-insulating roller facilitates the disassembly of the heat-insulating sheet and the guide sheet, while improving the heat-insulating capacity of the conveying roller when transporting the continuous casting billet.

[0008] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0009] A heat-insulating conveyor roller, comprising a roller shaft, an annular groove provided in the middle of the outer wall of the roller shaft, a separator provided between two adjacent annular grooves, a heat-insulating sheet provided between two adjacent separators, ribs provided at both ends of the annular groove, the separators and the ribs connected to the roller shaft, and symmetrically arranged guide sheets provided between the separators and the ribs;

[0010] The inner annular surfaces of the heat insulating plate and the guide plate are connected with an annular edge inserted into the annular groove, a positioning boss is provided in the annular groove, and a groove is provided on the annular edge to cooperate with the positioning boss;

[0011] The diameters of the heat insulating sheet and the guide sheet are larger than those of the separator sheet. The heat insulating sheet and the guide sheet are provided with boss portions located on the outer annular surface of the separator sheet.

[0012] Preferably, the guide piece is provided with an inclined surface arranged toward the separator, and the inclined surfaces of the guide pieces at both ends are arranged to face each other.

[0013] Preferably, through holes penetrating the separator, the heat insulating sheet and the guide sheet are provided on the ribs at both ends, and positioning posts are sleeved in the through holes.

[0014] Preferably, one end of the through hole passes through the rib, the other end of the through hole does not pass through the rib, and one end of the positioning column extends out of the rib.

[0015] Preferably, an external thread is provided on the end of the outer wall of the roller shaft away from the keyway, a mounting cap is threadedly connected to the external thread, and an anti-slip ring is provided between the mounting cap and the retaining edge.

[0016] Preferably, the anti-slip ring is composed of two mutually cooperating blocking plates, an insertion edge is provided on a side of the anti-slip ring close to the mounting cap, and a circular groove cooperating with the insertion edge is provided on the mounting cap.

[0017] Preferably, a positioning hole cooperating with the positioning column is provided on one side of the blocking plate close to the rib, the thickness of the blocking plate is greater than the length of the positioning column extending out of the rib, and the portion of the positioning column extending out of the rib is located in the positioning hole.

[0018] Preferably, the annular grooves on the outer wall of the roller are arranged at equal intervals.

[0019] Preferably, the outer annular surface of the blocking plate is larger than the diameter from the roller shaft to the positioning column, and smaller than the outer annular surface of the retaining edge.

[0020] Preferably, edges of two adjacent positioning bosses are in contact.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] 1. This device is equipped with detachable heat insulation sheets and guide sheets on the roller shaft, which transforms the original integrated conveyor roller into a structure that can quickly replace the heat insulation sheet, thereby reducing maintenance costs. At the same time, the boss on the top of the heat insulation sheet will come into contact with the continuous casting billet, avoiding the situation where the separator sheet contacts the continuous casting billet and causes heat loss, thereby improving the heat preservation capacity of the conveyor roller for the continuous casting billet.

[0023] 2. This device is equipped with a positioning column, a blocking plate and a mounting cap. After moving the mounting cap to one side, the blocking plate and the positioning column can be removed in turn, thereby disassembling and assembling the heat insulation sheet. The damaged heat insulation sheet can be replaced without disassembling the entire conveyor roller, which reduces the time for replacing the heat insulation sheet and the guide sheet and improves the efficiency of maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0025] Figure 2 It is a cross-sectional view of the utility model;

[0026] Figure 3 This is an explosion diagram of the utility model;

[0027] Figure 4 It is a schematic diagram of the structure of the heat insulation sheet in the utility model;

[0028] Figure 5 This is a schematic diagram of the blocking plate structure in the present invention.

[0029] Reference numerals:

[0030] 101. Roller; 102. Annular groove; 103. Separator; 104. Heat insulation plate; 105. Side rib; 106. Guide plate; 107. Annular edge; 108. Positioning boss; 109. Boss portion; 110. Through hole; 111. Positioning column; 112. Mounting cap; 113. Blocking plate; 114. Insertion edge; 115. Positioning hole. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] See also Figure 1-5A heat-insulating conveying roller comprises a roller shaft 101, one end of which is provided with a keyway, the keyway on the roller shaft 101 is used to connect the conveying roller with other devices, an annular groove 102 is arranged in an evenly spaced array in the middle of the outer wall of the roller shaft 101, a separator 103 is provided between two adjacent annular grooves 102, the separator 103 plays the role of separating the heat-insulating sheet 104, and at the same time facilitates the insertion of the heat-insulating sheet 104 between the adjacent separators 103, a symmetrically arranged heat-insulating sheet 104 is provided between the two adjacent separators 103, the heat-insulating sheet 104 and the guide sheet 104 are connected. 06 are made of high-temperature resistant heat-insulating materials. When in contact with the continuous casting billet, they can prevent the continuous casting billet from losing heat. Both ends of the annular groove 102 are provided with ribs 105, which are fixed on the roller shaft 101 and used for limiting on both sides. The separator 103 and the ribs 105 are fixedly connected to the roller shaft 101. A symmetrical guide piece 106 is provided between the separator 103 and the ribs 105. The guide piece 106 is provided with an inclined surface for guiding the continuous casting billet flowing through. The guide piece 106 is provided with an inclined surface arranged toward the separator 103.

[0033] When the heat insulation sheet 104 is inserted between the separators 103, the heat insulation sheet 104 will rotate along the annular groove 102, which will affect the installation and fixation of the heat insulation sheet 104. The following provides a structure that can prevent the heat insulation sheet 104 and the guide sheet 106 from rotating: Figure 3 and Figure 5 The inner annular surface of the heat insulation sheet 104 and the guide sheet 106 is connected with an annular edge 107 which is inserted into the annular groove 102. The annular groove 102 is provided with a positioning boss 108, and the annular edge 107 is provided with a groove. Figure 4 The groove on the annular edge 107 cooperates with the positioning boss 108 to limit the rotation of the heat insulation sheet 104 and the guide sheet 106, and at the same time facilitates positioning thereof during installation. The annular edge 107 is provided with a groove that cooperates with the positioning boss 108;

[0034] During transportation, the separator 103 may come into contact with the continuous casting billet, which will cause the heat of the continuous casting billet to be lost. The following provides a structure that can prevent the separator 103 from coming into contact with the continuous casting billet: Figure 3 The diameter of the heat insulation sheet 104 and the guide sheet 106 is larger than that of the separator 103. The heat insulation sheet 104 and the guide sheet 106 are provided with a boss portion 109 located on the outer ring surface of the separator 103. The boss portion 109 can cover the outer ring surface of the separator 103, so that the outer ring surface of the heat insulation sheet 104 will come into contact with the continuous casting billet, and the heat loss of the continuous casting billet is reduced through the heat insulation properties of the high-temperature resistant heat insulation material.

[0035] When the heat insulating sheet 104 and the guide sheet 106 are installed on the roller 101, they may fall off. The following provides a structure in which the roller 101 can restrict the heat insulating sheet 104 and the guide sheet 106: Figure 3 Specifically, a through hole 110 is provided on the rib 105 at one end away from the keyway, which passes through the separator 103, the heat insulating plate 104 and the guide plate 106. The through hole 110 does not pass through the other rib 105. After the positioning column 111 is inserted into the rib 105 at one end, it will pass through the guide plate 106, the separator 103 and the heat insulating plate 104 in turn, and finally be inserted into the rib 105 at the other end. Since the through hole 110 on the rib 105 at the other end does not pass through the rib 105, it can restrict the positioning column 111. A positioning column 111 is sleeved in the through hole 110, and one end of the positioning column 111 extends out of the rib 105.

[0036] After the positioning post 111 is inserted into the through hole 110, there is a possibility that the positioning post 111 may slip out of the through hole 110. The following is a structure that can prevent the positioning post 111 from slipping out of the through hole 110: Figure 3 Specifically, an external thread is provided on the end of the outer wall of the roller shaft 101 away from the keyway, and a mounting cap 112 is threadedly connected to the external thread. The mounting cap 112 fixes the anti-slip ring on one side of the rib 105, and restricts the positioning column 111 through the anti-slip ring. The outer ring surface of the anti-slip ring is larger than the diameter of the outer edge of multiple positioning columns 111, so that the anti-slip ring can cover multiple positioning columns 111, and an anti-slip ring is provided between the mounting cap 112 and the rib 105.

[0037] When the damaged heat insulation sheet 104 needs to be replaced, the entire conveyor roller needs to be disassembled, which is inconvenient to increase the replacement time. The following provides a structure that can remove the positioning column 111 without disassembling the conveyor roller: Figure 2 and Figure 3 The mounting cap 112 is provided with a circular groove that matches the insertion edge 114, so as to facilitate the replacement of the heat insulation sheet 104. The mounting cap 112 is provided with a circular groove that matches the insertion edge 114.

[0038] The following provides a structure that facilitates the blocking plate 113 to fix the positioning column 111: Figure 5 Specifically, a positioning hole 115 that cooperates with the positioning column 111 is opened on the side of the blocking plate 113 close to the retaining edge 105. The end of the positioning column 111 extending out is located in the positioning hole 115, which not only restricts the positioning column 111, but also prevents the blocking plate 113 from rotating. The part of the positioning column 111 extending out of the retaining edge 105 is located in the positioning hole 115.

[0039] In this embodiment, the heat insulation sheet 104 is located between two adjacent separators 103, and the top boss portion 109 will come into contact with the continuous casting billet, which can avoid the separator 103 from coming into contact with the continuous casting billet and causing heat loss. At the same time, the guide sheets 106 on both sides are also made of high-temperature resistant materials, which can avoid the situation where the two sides of the continuous casting billet come into contact with the roller shaft 101 and cause heat loss when guiding the continuous casting billet.

[0040] When it is necessary to replace the damaged insulation sheet 104 or guide sheet 106, first rotate the mounting cap 112 to the other side. At this time, the mounting cap 112 will be separated from the blocking plate 113, and then the symmetrical blocking plate 113 will be removed. At this time, the blocking plate 113 loses its restrictive effect on the positioning column 111. After removing the positioning column 111, the damaged insulation sheet 104 and guide sheet 106 can be replaced.

[0041] The above-mentioned embodiments are only preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantial changes and replacements made by technicians in this field on the basis of the present invention fall within the scope of protection required by the present invention.

Claims

1. A heat-insulating conveying roller, comprising a roller shaft (101), characterized in that: An annular groove (102) is provided in the middle of the outer wall of the roller shaft (101), a separator (103) is provided between two adjacent annular grooves (102), a heat insulating plate (104) is provided between two adjacent separators (103), ribs (105) are provided at both ends of the annular groove (102), the separator (103) and the ribs (105) are connected to the roller shaft (101), and a symmetrically arranged guide plate (106) is provided between the separator (103) and the ribs (105); The inner annular surfaces of the heat insulating sheet (104) and the guide sheet (106) are connected with an annular edge (107) inserted into the annular groove (102), a positioning boss (108) is provided in the annular groove (102), and a groove is provided on the annular edge (107) to cooperate with the positioning boss (108); The diameters of the heat insulating sheet (104) and the guide sheet (106) are larger than those of the separator (103), and the heat insulating sheet (104) and the guide sheet (106) are provided with a boss portion (109) located on the outer annular surface of the separator (103).

2. The heat-insulating conveyor roller according to claim 1, characterized in that: The guide piece (106) is provided with an inclined surface arranged toward the separator (103), and the inclined surfaces of the guide pieces (106) at both ends are arranged facing each other.

3. The heat-insulating conveyor roller according to claim 2, characterized in that: The retaining edges (105) at both ends are provided with through holes (110) that penetrate the partitioning piece (103), the heat insulating piece (104) and the guide piece (106), and positioning columns (111) are sleeved in the through holes (110).

4. The heat-insulating conveyor roller according to claim 3, characterized in that: One end of the through hole (110) passes through the rib (105), the other end of the through hole (110) does not pass through the rib (105), and one end of the positioning column (111) extends out of the rib (105).

5. The heat-insulating conveyor roller according to claim 4, characterized in that: An external thread is provided on the outer wall of the roller shaft (101) at one end away from the keyway, a mounting cap (112) is threadedly connected to the external thread, and an anti-slip ring is provided between the mounting cap (112) and the retaining edge (105).

6. The heat-insulating conveyor roller according to claim 5, characterized in that: The anti-slip ring is composed of two mutually matching blocking plates (113); an insertion edge (114) is provided on the side of the anti-slip ring close to the mounting cap (112); and a circular groove matching the insertion edge (114) is provided on the mounting cap (112).

7. The heat-insulating conveyor roller according to claim 6, characterized in that: A positioning hole (115) matching with the positioning column (111) is provided on one side of the blocking plate (113) close to the retaining edge (105); the thickness of the blocking plate (113) is greater than the length of the positioning column (111) extending out of the retaining edge (105); and the portion of the positioning column (111) extending out of the retaining edge (105) is located in the positioning hole (115).

8. The heat-insulating conveyor roller according to claim 1, characterized in that: The annular grooves (102) on the outer wall of the roller shaft (101) are arranged at equal intervals.

9. The heat-insulating conveyor roller according to claim 6, characterized in that: The outer annular surface of the blocking plate (113) is larger than the diameter from the roller shaft (101) to the positioning column (111), and smaller than the outer annular surface of the retaining edge (105).

10. The heat-insulating conveyor roller according to claim 1, characterized in that: The edges of two adjacent positioning bosses (108) are in contact with each other.

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