Polymer graphene supporting roller with built-in compression support structure and its extension structure

Abstract

The application discloses a high polymer graphene supporting roller with built-in compression-resistant supporting structure and an extension structure thereof, which comprises a left roller body, a left connecting shaft, a right connecting shaft and a right roller body, the left connecting shaft is rotatable with the left roller body through a bearing, the right connecting shaft is connected with the right roller body through a bearing, an extension part is integrally formed on the left part of the right roller body, the left roller body is sleeved outside the extension part, the right part of the left connecting shaft extends to the inside of the extension part through the left roller body, a connecting rod is fixed to the left part of the right connecting shaft, the right connecting shaft extends to the right roller body, and the connecting rod is inserted into the left connecting shaft, graphene films are fixedly sleeved outside the left roller body and the right roller body, a left supporting ring is fixed to the left part in the extension part, a right supporting ring is fixed to the right part in the right roller body, two groups of guide rods one and guide rods two are fixed between the left supporting ring and the right supporting ring in a ring shape and at equal distances, the supporting roller can be conveniently adjusted, the application range is improved, and the supporting roller can be effectively supported.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of roller equipment, in particular to a high polymer graphene roller with built-in compression-resistant support structure and its extension structure. BACKGROUND

[0002] Rollers are important components of belt conveyors, and there are many types. The main materials for preparing them are steel and plastic, which mainly support the weight of the conveyor belt and the conveyed objects to ensure the smooth operation of the conveyor belt. Since there are a large number of rollers, they account for about 35% to 40% of the total cost of a belt conveyor.

[0003] In the Chinese patent with the application number CN105858115B, a collapsible roller is disclosed, wherein the roller comprises a first fixing member, a first rotating shaft, a roller mechanism, a second rotating shaft and a second fixing member connected in sequence, and the roller mechanism can rotate on the first rotating shaft and the second rotating shaft, the roller mechanism is composed of a first roller unit and a second roller unit arranged in sequence from the first fixing member to the second fixing member, and the end face of the first roller unit away from the first rotating shaft is connected to the end face of the second roller unit away from the second rotating shaft by a spring, the first fixing member is fixed on a first support plate, the second fixing member is fixed on a second support plate, and the second support plate is at least partially located inside the first support plate. The problem that the width of the ordinary roller cannot be adjusted and the application range is small is solved.

[0004] Although the above-mentioned technology realizes the adjustment of the width of the roller, so that the roller can support conveyor belts of different sizes, greatly increasing the use range of the roller, the roller will be subjected to the impact of materials during use, and thus although the width of the roller can be adjusted, the carrying capacity of heavy objects will be poor, and even the roller may break during use. Therefore, a high polymer graphene roller with built-in compression-resistant support structure and its extension structure are proposed in this technology. SUMMARY

[0005] The purpose of the present application is to provide a high polymer graphene roller with built-in compression-resistant support structure and its extension structure to solve the problems raised in the background art.

[0006] To achieve the above object, the application provides the following technical scheme: a high polymer graphene supporting roller with built-in compression support structure and its extension structure, comprising a left roller body, a left connecting shaft, a right connecting shaft and a right roller body, the left connecting shaft is rotatable with the left roller body through a bearing, the right connecting shaft is connected with the right roller body through a bearing, the right roller body is integrally formed with an extension part on the left side, the left roller body is sleeved on the outside of the extension part, the left connecting shaft extends to the inside of the extension part through the left roller body, the left connecting shaft is fixed with a connecting rod on the left side, the right connecting shaft extends to the right roller body, and the connecting rod is inserted into the left connecting shaft, the left roller body and the right roller body are sleeved and fixed with a graphene film on the outside, the left support ring is fixed in the left part of the extension part, the right support ring is fixed in the right part of the right roller body, two groups of guide rods one and two are fixed between the left support ring and the right support ring in a ring shape and at equal intervals, the two groups of guide rods one and the two groups of guide rods two are arranged at intervals, five groups of moving rings are arranged between the left support ring and the right support ring, the two groups of guide rods one and the two groups of guide rods two pass through the five groups of moving rings, and the five groups of moving rings are all slidingly connected to the extension part and the right roller body, the left connecting shaft and the right connecting shaft pass through the left support ring, the right support ring and the moving ring, and springs are sleeved on the two groups of guide rods one on the left side of the rightmost moving ring and the two groups of guide rods two on the right side of the leftmost moving ring, and the springs are fixed between the left support ring, the moving ring and the right support ring.

[0007] As a further preferred embodiment of the present technical solution, the extension part on the left side of the left support ring is fixed with two groups of first micro-motors through a support, the output shafts of the two groups of first micro-motors are fixed with first winding wheels, the first winding wheels are wound with first connecting ropes, the other ends of the first connecting ropes pass through the left support ring and the moving ring in sequence and are fixedly connected with the moving ring on the rightmost side, and the two groups of first micro-motors are arranged on the upper and lower sides of the left connecting shaft.

[0008] As a further preferred embodiment of the present technical solution, the right roller body on the right side of the right support ring is fixed with two groups of second micro-motors through a support, the output shafts of the two groups of second micro-motors are fixed with second winding wheels, the second winding wheels are wound with second connecting ropes, the other ends of the second connecting ropes pass through the right support ring and the moving ring in sequence and are fixedly connected with the moving ring on the leftmost side, and the two groups of second micro-motors are arranged on the front and back sides of the right connecting shaft.

[0009] As a further preferred embodiment of the present technical solution, the inside of the left roller body is inlaid with a second pressure sensor, and the inside of the right roller body is inlaid with a first pressure sensor.

[0010] As a further preferred of the technical solution, the third through hole is arranged in the middle part of the left supporting ring, the moving ring and the right supporting ring, the left connecting shaft and the right connecting shaft pass through the third through hole, the second through hole is annularly arranged on the moving ring, the guide rod one and the guide rod two pass through the second through hole, the first through hole is arranged on the left supporting ring, the moving ring and the right supporting ring, and the first connecting rope and the second connecting rope pass through the first through hole.

[0011] As a further preferred of the technical solution, the square slot is arranged in the right part of the left connecting shaft, the connecting rod is inserted into the square slot, the limiting groove is arranged in the square slot, the limiting block is fixed on the side surface of the connecting rod in a corresponding mode, and the limiting block is slidingly connected in the limiting groove.

[0012] As a further preferred of the technical solution, the four groups of guide grooves are annularly arranged in the left roller body, the four groups of guide strips are fixed on the outer side of the extension part in a corresponding mode, and the guide strips are slidingly connected in the guide grooves in a corresponding mode.

[0013] As a further preferred of the technical solution, the sliding grooves are annularly arranged in the inner side of the extension part and the inner part of the right roller body, the sliding blocks are fixed on the side surface of the moving ring in a corresponding mode, and the sliding blocks are slidingly connected in the sliding grooves.

[0014] As a further preferred of the technical solution, the second compression-resistant ring is fixed on the left side of the extension part, the three groups of first compression-resistant rings are arranged on the left side of the second compression-resistant ring, and the first compression-resistant rings and the second compression-resistant ring are sleeved on the left connecting shaft.

[0015] As a further preferred of the technical solution, the clamping blocks are fixed on the side surfaces of the first compression-resistant ring and the second compression-resistant ring, the clamping blocks are slidingly connected in the guide grooves, the three groups of rubber protrusions are fixed on the left part of the guide grooves in a corresponding mode, the three groups of rubber protrusions are respectively arranged on the inner sides of the clamping blocks, the connecting strips are fixed on the left sides of the second compression-resistant ring and the first compression-resistant ring, the second compression-resistant ring and the first compression-resistant ring are connected through the connecting strips, the leftmost first compression-resistant ring is connected with the inner part of the left roller body through the connecting strip, and the recesses are arranged on the right sides of the inner part of the left roller body and the first compression-resistant ring in a corresponding mode.

[0016] The application provides an inner compression-resistant supporting structure high polymer graphene supporting roller and its extension structure, and has the following beneficial effects.

[0017] (1) The left roller body and the right roller body can be supported through the extension part, the left supporting ring, the moving ring and the right supporting ring inside the right roller body, the load capacity of the equipment is improved, the distance between the left roller body and the right roller body can be adjusted when installing through the square hole of the left connecting shaft and the connecting rod on the right connecting shaft, thereby the application range is improved, meanwhile, the synchronous rotation of the left connecting shaft and the right connecting shaft can be ensured through the square design, and the left roller body can be supported through the extension part integrally formed on the right roller body, and the second compression ring is driven to move to the right side with the extension part moving to the right side, the first compression ring is driven to move and expand in sequence after the connecting strip on the side of the second compression ring is completely unfolded through the cooperation of the rubber protrusion and the clamping block, so that the first compression ring can be equidistantly located between the extension part and the left roller body, thereby the left roller body can be supported after expansion, and the strength is ensured;

[0018] (2) The weight of the articles located on the upper sides of the left roller body and the right roller body can be detected through the first pressure sensor and the second pressure sensor, when the gravity difference between the two exceeds the threshold value, the first micro motor and the second micro motor are operated, so that the first connecting rope and the second connecting rope are wound or released, when the first winding wheel drives the first connecting rope to be wound, the rightmost moving ring is pulled to be supported through the first connecting rope, the spring is pressed in sequence during the movement of the moving ring, until the moving ring cannot move, and then the extension and the left roller body are strongly supported through the left supporting ring and the moving ring, and the spring is pressed in sequence during the movement of the moving ring to the right side, until it is located in the right roller body, thereby the right roller body is strongly supported, and flexible support can be carried out according to the weight distribution of the conveyed articles. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0020] Figure 2 It is a three-dimensional structure schematic diagram of the present application; Figure 1 It is an enlarged schematic diagram of A in the present application;

[0021] Figure 3 It is a side view structure schematic diagram of the left roller body and the guide groove of the present application;

[0022] Figure 4 It is a side view schematic diagram of the right roller body and the guide strip of the present application;

[0023] Figure 5 It is a side view structure schematic diagram of the moving ring of the present application;

[0024] Figure 6 It is a structure schematic diagram of the right connecting shaft and the connecting rod of the present application;

[0025] In the figure: 1, left roller body; 2, left connecting shaft; 3, bearing; 4, first micro motor; 5, first winding wheel; 6, guide groove; 7, extension; 8, left supporting ring; 9, first connecting rope; 10, guide bar; 11, sliding groove; 12, limiting groove; 13, first through hole; 14, second through hole; 15, second connecting rope; 16, spring; 17, second winding wheel; 18, right connecting shaft; 19, second micro motor; 20, right supporting ring; 21, first pressure sensor; 22, moving ring; 23, right roller body; 24, connecting rod; 25, guide rod one; 26, sliding block; 27, second pressure sensor; 28, guide rod two; 29, graphene film; 30, limiting block; 31, groove; 32, connecting strip; 33, first pressure-resistant ring; 34, second pressure-resistant ring; 35, rubber protrusion; 36, clamping block; 37, third through hole. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application.

[0027] The present application provides the technical solutions: as Figures 1-6As shown, in this embodiment, a polymer graphene supporting roller with built-in compression resistance support structure and its extension structure, including left roller body 1, left connecting shaft 2, right connecting shaft 18 and right roller body 23, the second pressure sensor 27 is embedded in the left roller body 1, the first pressure sensor 21 is embedded in the right roller body 23, the left connecting shaft 2 rotates with the left roller body 1 through the bearing 3, the right connecting shaft 18 is connected with the right roller body 23 through the bearing 3, the left part of the right roller body 23 is integrally formed with the extension part 7, the left roller body 1 is sleeved on the outside of the extension part 7, the left connecting shaft 2 extends to the inside of the extension part 7 through the left roller body 1, the right connecting shaft 18 is fixed with the connecting rod 24 on the left part, the right connecting shaft 18 extends to the right roller body 23, and the connecting rod 24 is inserted into the left connecting shaft 2, a square groove is formed in the right part of the left connecting shaft 2, the connecting rod 24 is inserted into the square groove, a limiting groove 12 is formed in the square groove, a limiting block 30 is fixed on the side surface of the connecting rod 24, the limiting block 30 is slidingly connected in the limiting groove 12, a graphene film 29 is sleeved and fixed on the outside of the left roller body 1 and the right roller body 23, the graphene film 29 has the functions of bacteriostasis and heat dissipation, and can dissipate the heat generated when the surface of the supporting roller rubs with the conveying belt in time, a left supporting ring 8 is fixed in the left part of the extension part 7, a right supporting ring 20 is fixed in the right part of the right roller body 23, two groups of guide rods one 25 and guide rods two 28 are fixed between the left supporting ring 8 and the right supporting ring 20 in a ring shape and at equal intervals, the two groups of guide rods one 25 and the two groups of guide rods two 28 are arranged at intervals, five groups of moving rings 22 are arranged between the left supporting ring 8 and the right supporting ring 20, the two groups of guide rods one 25 and the two groups of guide rods two 28 pass through the five groups of moving rings 22, and the five groups of moving rings 22 are slidingly connected to the extension part 7 and the right roller body 23, the left connecting shaft 2 and the right connecting shaft 18 pass through the left supporting ring 8, the right supporting ring 20 and the moving ring 22, and the spring 16 is sleeved on the two groups of guide rods one 25 on the left side of the rightmost moving ring 22 and the two groups of guide rods two 28 on the right side of the leftmost moving ring 22, and is fixed between the left supporting ring 8, the moving ring 22 and the right supporting ring 20.

[0028] As Figure 1As shown, the extension 7 on the left side of the left support ring 8 is fixed with two groups of first micro-motors 4 through supports, the output shafts of the two groups of first micro-motors 4 are fixed with first winding wheels 5, the first winding wheels 5 are wound with first connecting ropes 9, the other ends of the first connecting ropes 9 are sequentially threaded through the left support ring 8 and the moving ring 22 and are fixedly connected with the moving ring 22 located at the rightmost side, the two groups of first micro-motors 4 are located at the upper and lower sides of the left connecting shaft 2, the right roller body 23 on the right side of the right support ring 20 is fixed with two groups of second micro-motors 19 through supports, the output shafts of the two groups of second micro-motors 19 are fixed with second winding wheels 17, the second winding wheels 17 are wound with second connecting ropes 15, the other ends of the second connecting ropes 15 are sequentially threaded through the right support ring 20 and the moving ring 22 and are fixedly connected with the moving ring 22 located at the rightmost side, the two groups of second micro-motors 19 are located at the front and rear sides of the right connecting shaft 18, the first micro-motors 4 and the second micro-motors 19 are operated to make the first connecting ropes 9 and the second connecting ropes 15 be wound or released, when the first winding wheels 5 drive the first connecting ropes 9 to be wound, the rightmost moving ring 22 will be pulled to be supported through the first connecting ropes 9, the moving ring 22 will sequentially press the springs 16 during movement, until the moving ring 22 cannot move, and then the extension and the left roller body 1 are strongly supported through the left support ring 8 and the moving ring 22, and the moving ring 22 moves to the right side to press the springs 16, until being located in the right roller body 23, thereby strongly supporting the right roller body 23, and the flexible support can be carried out according to the weight distribution of the conveyed articles.

[0029] As shown in Figure 1 and Figure 5 , the middle parts of the left support ring 8, the moving ring 22 and the right support ring 20 are all provided with third through holes 37, the left connecting shaft 2 and the right connecting shaft 18 pass through the third through holes 37, the moving ring 22 is annularly provided with a second through hole 14, the guide rod one 25 and the guide rod two 28 pass through the second through hole 14, the left support ring 8, the moving ring 22 and the right support ring 20 are all provided with first through holes 13, the first connecting ropes 9 and the second connecting ropes 15 pass through the first through holes 13, the first through holes 13 are located outside the second through hole 14, through the first through holes 13, the first connecting ropes 9 and the second connecting ropes 15 are facilitated to move, through the second through hole 14, the moving ring 22 is facilitated to move on the guide rod one 25 and the guide rod two 28, and through the third through hole 37, the left connecting shaft 2 and the right connecting shaft 18 are facilitated to pass through.

[0030] As shown in Figure 1 , Figure 3 and Figure 4As shown, the left connecting shaft 2 right part is provided with a square slot, the connecting rod 24 is inserted in the square slot, which can ensure the synchronous rotation of the left connecting shaft 2 and the right connecting shaft 18, the square slot is provided with a limiting slot 12 inside, the connecting rod 24 side is correspondingly fixed with a limiting block 30, the limiting block 30 is slidingly connected in the limiting slot 12, through the limiting block 30 and the limiting slot 12, the connecting rod 24 is prevented from moving out of the left connecting shaft 2, the left roller body 1 is annularly provided with four groups of guide grooves 6 inside, the extension 7 outside is correspondingly fixed with four groups of guide strips 10 in a ring shape, the guide strips 10 are correspondingly slidingly connected in the guide grooves 6, the extension 7 inside and the right roller body 23 inside are annularly provided with a sliding groove 11, the moving ring 22 side is correspondingly fixed with a sliding block 26, the sliding block 26 is slidingly connected in the sliding groove 11, which is convenient for guiding.

[0031] As shown in Figure 1 and Figure 2 As shown, the extension 7 left side is fixed with a second compression ring 34, the second compression ring 34 left side is provided with three groups of first compression rings 33, the first compression ring 33 and the second compression ring 34 are sleeved on the left connecting shaft 2, the first compression ring 33 and the second compression ring 34 side are both fixed with a clamping block 36, the clamping block 36 is slidingly connected in the guide groove 6, and the guide groove 6 left part is correspondingly fixed with three groups of rubber protrusions 35, the three groups of rubber protrusions 35 are respectively located in the clamping block 36 inside, the second compression ring 34 and the first compression ring 33 left side are both fixed with a connecting strip 32, the second compression ring and the first compression ring 33 are connected through the connecting strip 32, and the leftmost first compression ring 33 is connected with the left roller body 1 inside through the connecting strip 32, the left roller body 1 inside and the first compression ring 33 right side are both correspondingly provided with a groove 31, the connecting strip 32 is located in the groove 31, which can support the left roller body 1 when adjusting the left connecting shaft 2 and the right connecting shaft 18.

[0032] The application provides a polymer graphene supporting roller with built-in compression resistance supporting structure and its extension structure, and the specific working principle is as follows: when normally used, the left roller body 1 and the right roller body 23 can be supported through the extension part 7 and the left supporting ring 8, the moving ring 22 and the right supporting ring 20 in the right roller body 23, the load capacity of the equipment is improved, the distance between the left roller body 1 and the right roller body 23 can be adjusted when installing through the square hole of the left connecting shaft 2 and the connecting rod 24 on the right connecting shaft 18, thereby the application range is improved, meanwhile, the synchronous rotation of the left connecting shaft 2 and the right connecting shaft 18 can be ensured through the square design, the left roller body 1 can be supported through the extension part 7 integrally formed on the right roller body 23, and the second compression resistance ring 34 is moved to the right side along with the movement of the extension part 7 to the right side, the first compression resistance ring 33 is moved to the right side along with the second compression resistance ring 34 through the connecting strip 32, the first compression resistance ring 33 is sequentially moved and expanded after the connecting strip 32 on the side of the second compression resistance ring 34 is completely expanded through the cooperation of the rubber protrusion 35 and the clamping block 36, so that the first compression resistance ring 33 can be equidistantly located between the extension part 7 and the left roller body 1, thereby the left roller body 1 can be supported after expansion, the strength thereof is ensured, the weight of the articles located on the upper sides of the left roller body 1 and the right roller body 23 can be detected through the first pressure sensor 21 and the second pressure sensor 27, when the gravity difference between the two exceeds a threshold value, the first micro motor 4 and the second micro motor 19 are operated to wind or release the first connecting rope 9 and the second connecting rope 15, the rightmost moving ring 22 is pulled to support through the first connecting rope 9 when the first connecting rope 9 is wound by the first winding wheel 5, the spring 16 is sequentially extruded in the moving process of the moving ring 22, until the moving ring 22 cannot move, and then the extension and the left roller body 1 are strongly supported through the left supporting ring 8 and the moving ring 22, and the spring 16 is extruded to the right roller body 23 through the moving ring 22 moving to the right side, thereby the right roller body 23 is strongly supported, and the flexible support can be carried out according to the weight distribution of the conveyed articles.

[0033] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A polymer graphene idler roller with a built-in anti-compression support structure and its extended structure, comprising a left roller body (1), a left connecting shaft (2), a right connecting shaft (18), and a right roller body (23), characterized in that: The left connecting shaft (2) rotates with the left roller body (1) via a bearing (3), and the right connecting shaft (18) is connected with the right roller body (23) via a bearing (3). The left side of the right roller body (23) has an integrally formed extension (7). The left roller body (1) is fitted on the outside of the extension (7). The right side of the left connecting shaft (2) extends through the left roller body (1) into the extension (7). The left side of the right connecting shaft (18) is fixed with a connecting rod (24). The right connecting shaft (18) extends into the right roller body (23), and the connecting rod (24) is inserted into the left connecting shaft (2). Graphene films (29) are fitted and fixed on the outside of the left roller body (1) and the right roller body (23). The left side of the extension (7) is fixed with a left support ring (8), and the right side of the right roller body (23) is fixed with a right support ring (20). The left support ring (8) and the right support ring (20) are annular and equidistant from each other. Two sets of guide rods 1 (25) and guide rod 2 (28) are fixed. The two sets of guide rods 1 (25) and guide rod 2 (28) are spaced apart. Five sets of moving rings (22) are arranged between the left support ring (8) and the right support ring (20). The two sets of guide rods 1 (25) and guide rod 2 (28) pass through the five sets of moving rings (22). The five sets of moving rings (22) are slidably connected to the extension (7) and the right roller (23). The left connecting shaft (2) and the right connecting shaft (18) pass through the left support ring (8), the right support ring (20) and the moving rings (22). Springs (16) are fitted on the two sets of guide rods 1 (25) on the left side of the rightmost moving ring (22) and the two sets of guide rod 2 (28) on the right side of the leftmost moving ring (22). The springs (16) are fixed between the left support ring (8), the moving ring (22) and the right support ring (20). The extension (7) on the left side of the left support ring (8) is fixed with two sets of first micro motors (4) by a bracket. The output shafts of the two sets of first micro motors (4) are fixed with first winding wheels (5). The first winding wheels (5) are wound with first connecting ropes (9). The other end of the first connecting ropes (9) passes through the left support ring (8) and the moving ring (22) in sequence and is fixedly connected to the moving ring (22) located on the rightmost side. The two sets of first micro motors (4) are located on the upper and lower sides of the left connecting shaft (2). The right roller (23) on the right side of the right support ring (20) is fixed with two sets of second micro motors (19) by a bracket. The output shafts of the two sets of second micro motors (19) are fixed with second take-up wheels (17). The second take-up wheels (17) are wound with second connecting ropes (15). The other end of the second connecting ropes (15) passes through the right support ring (20) and the moving ring (22) in sequence and is fixedly connected to the moving ring (22) located on the leftmost side. The two sets of second micro motors (19) are located on the front and rear sides of the right connecting shaft (18).

2. The polymer graphene idler roller with a built-in anti-compression support structure and its extended structure according to claim 1, characterized in that: The left roller (1) is embedded with a second pressure sensor (27), and the right roller (23) is embedded with a first pressure sensor (21).

3. The polymer graphene idler roller with a built-in anti-compression support structure and its extended structure according to claim 1, characterized in that: The left support ring (8), the moving ring (22) and the right support ring (20) are all provided with a third through hole (37) in the middle. The left connecting shaft (2) and the right connecting shaft (18) pass through the third through hole (37). The moving ring (22) is provided with a second through hole (14) in a ring shape. The first guide rod (25) and the second guide rod (28) pass through the second through hole (14). The left support ring (8), the moving ring (22) and the right support ring (20) are all provided with a first through hole (13). The first connecting rope (9) and the second connecting rope (15) pass through the first through hole (13). The first through hole (13) is located outside the second through hole (14).

4. The polymer graphene idler roller with a built-in anti-compression support structure and its extended structure according to claim 1, characterized in that: The left connecting shaft (2) has a square groove on its right side. The connecting rod (24) is inserted into the square groove. A limiting groove (12) is opened inside the square groove. A limiting block (30) is fixed on the side of the connecting rod (24). The limiting block (30) is slidably connected in the limiting groove (12).

5. The polymer graphene idler roller with a built-in anti-compression support structure and its extended structure according to claim 1, characterized in that: The left roller body (1) has four sets of guide grooves (6) arranged in a ring inside, and the extension (7) has four sets of guide strips (10) fixed in a ring on the outside. The guide strips (10) are slidably connected in the guide grooves (6).

6. The polymer graphene idler roller with a built-in anti-compression support structure and its extended structure according to claim 1, characterized in that: The inner side of the extension (7) and the inside of the right roller (23) are provided with a sliding groove (11) in an annular shape. The side of the moving ring (22) is fixed with a slider (26), and the slider (26) is slidably connected in the sliding groove (11).

7. The polymer graphene idler roller with a built-in anti-compression support structure and its extended structure according to claim 1, characterized in that: The extension (7) is fixed with a second pressure-resistant ring (34) on the left side. Three sets of first pressure-resistant rings (33) are provided on the left side of the second pressure-resistant ring (34). The first pressure-resistant rings (33) and the second pressure-resistant rings (34) are fitted onto the left connecting shaft (2).

8. The polymer graphene idler roller with a built-in anti-compression support structure and its extended structure according to claim 7, characterized in that: Both the first pressure-resistant ring (33) and the second pressure-resistant ring (34) have a locking block (36) fixed on their sides. The locking block (36) is slidably connected in the guide groove (6). Three sets of rubber protrusions (35) are fixed on the left side of the guide groove (6). The three sets of rubber protrusions (35) are located inside the locking block (36). Both the second pressure-resistant ring (34) and the first pressure-resistant ring (33) have a connecting strip (32) fixed on their left sides. The second pressure-resistant ring and the first pressure-resistant ring (33) are connected by the connecting strip (32). The leftmost first pressure-resistant ring (33) is connected to the inside of the left roller body (1) by the connecting strip (32). The inside of the left roller body (1) and the right side of the first pressure-resistant ring (33) are respectively provided with grooves (31). The connecting strip (32) is located in the groove (31).

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