Guide roller assembly of wheel rolling mill

Abstract

The invention discloses a wheel rolling mill guide roller assembly, and belongs to the technical field of steel wheel manufacturing, the wheel rolling mill guide roller assembly comprises a guide sleeve, a guide shaft arranged in the guide sleeve in a penetrating manner, and guide plates fixedly arranged at the inner end of the guide shaft, the two guide plates are obliquely and symmetrically arranged, and sliding blocks are arranged on the inner side faces of the guide plates in the vertical direction in a sliding manner; the upper end faces of the sliding blocks are rotationally connected with guide rollers. When the wheel hot rolling device is used, the tread of a wheel is in contact with the sensing device when the wheel is subjected to hot rolling; the thickness of the wheel is reduced, so that the diameter of the wheel is increased, the diameter of the wheel is increased, the stepping face of the wheel presses the induction device downwards, the induction device moves downwards to drive the two sliding blocks to move downwards, the two sliding blocks slide downwards along the inclined face of the guide plate, and meanwhile the two sliding blocks move close to each other; and then the two guide rollers are driven to move towards the middle so as to compensate gaps between the guide rollers with the thinned wheel thickness and the side faces of the wheels, and clamping of the guide rollers to the side faces of the wheels is kept.

Description

Technical Field

[0001] The invention belongs to the technical field of steel wheel manufacturing, and in particular relates to a wheel rolling mill guide roller assembly. Background Art

[0002] The wheel rolling mill is a device for manufacturing railway train wheels. When manufacturing wheels, the heated blank is first pressed into shape by a press, then the spokes are expanded and the rim and tread are rolled out on the wheel rolling mill, and finally the wheel is precisely processed on a lathe.

[0003] When hot rolling a wheel, an existing rolling mill sets a plurality of rollers in the circumferential direction of the wheel, including an upper centering roller assembly, a lower centering roller assembly, a guide roller assembly, a web roller assembly, an edge roller assembly, and a main roller assembly, wherein the lower centering roller assembly and the guide roller assembly are both located below the wheel, the lower centering roller assembly supports the lower part of the wheel, the guide roller assembly clamps the two sides of the lower part of the wheel, and the plurality of rollers jointly limit the circumferential surface of the wheel to achieve the purpose of wheel positioning. Therefore, the lower centering roller assembly and the guide roller assembly need to move toward the center of the wheel to complete the clamping of the wheel. The existing guide roller assembly includes two guide roller assemblies. When the wheel is hot rolled, the two guide rollers clamp the wheel, and the wheel rotates under the drive of the spoke roller assembly, thereby causing the wheel to drive the two guide rollers to rotate; as the hot rolling continues, the thickness of the wheel gradually becomes thinner, thereby causing the diameter of the wheel to increase, and a gap will appear between the two guide rollers and the side of the wheel at this time. In order to solve this problem, in the prior art, a hydraulic telescopic rod is used to control the two guide rollers to move toward each other to keep the guide rollers clamping the side of the wheel. The hydraulic telescopic rod frequently controls the movement of the guide rollers according to the situation, resulting in a reduced service life of the hydraulic telescopic rod. At the same time, frequent use of the hydraulic telescopic rod increases energy consumption. Summary of the invention

[0004] The object of the present invention is to provide a wheel rolling mill guide roller assembly, which has the advantage that the guide roller automatically adapts to clamping the wheel, and effectively solves the problem in the prior art that two guide rollers are controlled to move toward each other by a hydraulic telescopic rod to keep the guide rollers clamping the side of the wheel, resulting in a reduced life of the hydraulic telescopic rod and increased energy consumption due to frequent use of the hydraulic telescopic rod.

[0005] The present invention adopts the following technical scheme: a wheel rolling mill guide roller transmission system, including a guide sleeve and a guide shaft inserted in the guide sleeve, and a guide plate fixed to the inner end of the guide shaft, the two guide plates are arranged obliquely and symmetrically, the inner side surface of the guide plate is provided with a slider sliding in the up and down directions, the upper end surface of the slider is rotatably connected to the guide roller, the outer end of the guide shaft is connected to the output end of the driving device, the outer surface of the guide sleeve is fixed to the corresponding rotating arm, and a sensing device is also arranged between the two sliders, the sensing device is used to pick up the wheel tread diameter change information, and the two guide rollers move inward synchronously according to the diameter change information obtained by the sensing device.

[0006] Furthermore, the bottom spacing of the space between the two guide plates is smaller than the top spacing of the space between the two guide plates, a transition block is arranged between the guide plate and the corresponding slider, the outer side surface of the transition block is arranged to slide with the guide plate along the inclined direction, the inner side surface of the transition block is fixedly arranged with the corresponding slider, and a lifting spring is fixedly arranged at the bottom end of each slider, and the lifting spring drives the slider to always move upward; a sensing device is arranged between the two sliders, and the sensing device is used to pick up the wheel tread diameter change information, and also has the function of positioning the upper and lower positions of the guide rollers.

[0007] Furthermore, the sensing device includes a left sensing device and a right sensing device, the left sensing device is used to pick up the change information of the tread diameter of the single-rim wheel, and the right sensing device is used to pick up the change information of the tread diameter of the double-rim wheel.

[0008] Furthermore, the left-side sensing device includes a vertical sensing rod arranged on the left side of the slider on the front side, a fixed shaft is fixedly arranged on the top end of the vertical sensing rod, a sensing wheel is rotatably connected to the fixed shaft, an L sensing rod is fixedly arranged at the rear end of the fixed shaft, and the L sensing rod is slidably arranged along the front-rear direction with the slider on the rear side through the first guide rod.

[0009] Furthermore, a guide bar is fixedly provided at the rear end of the L sensing rod, a first slide trough body is fixedly provided at the front end of the first guide rod, and the guide bar is slidably provided in the first slide trough body along the up and down directions; the vertical sensing rod is slidably provided on the front slider along the up and down directions, vertical holes are provided on the vertical sensing rod and the guide bar, and the first slide trough body and the front slider are threadedly connected with adjusting bolts, and the adjusting bolts pass through the corresponding vertical holes and are threadedly connected to the first slide trough body or the front slider.

[0010] Furthermore, the right-side sensing device includes two support rods and an L-frame fixedly arranged on the top of the inner side surface of the support rod, an induction roller is rotatably connected between the two L frames, the front support rod is slidably arranged on the right side surface of the front slider along the up and down directions, the rear support rod is slidably arranged in the second slide trough body along the up and down directions, a second guide rod is fixedly arranged on the rear side surface of the second slide trough body, the second guide rod is slidably arranged in the rear slider along the front and back directions, sliding holes are opened on the two support rods along the up and down directions, the right side surface of the front slider and the second slide trough body are threadedly connected with fixing bolts, and the fixing bolts pass through the sliding holes and are threadedly connected to the slider or the second slide trough body.

[0011] Furthermore, the driving device is a hydraulic telescopic rod fixedly arranged on the outer end of the guide sleeve, and the output shaft of the hydraulic telescopic rod is fixedly arranged on the corresponding guide shaft.

[0012] Furthermore, the inner side wall of the upper guide sleeve is fixedly inlaid with two first shaft sleeves and an exhaust sleeve, and the upper guide shaft is inserted into the two first shaft sleeves and the exhaust sleeve.

[0013] Furthermore, an annular limiting groove is provided on the outer surface of the exhaust sleeve, an exhaust space is formed between the annular limiting groove of the exhaust sleeve and the inner wall of the guide sleeve, a plurality of exhaust holes are provided on the inner bottom wall of the annular limiting groove, and an air vent is provided at a position on the guide sleeve corresponding to the annular limiting groove.

[0014] Furthermore, the two ends of the inner side wall of the lower guide sleeve are fixedly inlaid with second sleeves, and the lower guide shaft is inserted into the two second sleeves.

[0015] 1. The present invention sets a guide roller, a sensing device and a slider. When the device is used, the tread of the wheel contacts the sensing device during hot rolling. The thickness of the wheel becomes thinner, thereby increasing the diameter of the wheel. The increase in the diameter of the wheel causes the tread of the wheel to press the sensing device downward. The downward movement of the sensing device drives the two sliders to move downward. The two sliders slide downward along the inclined surface of the guide plate. At the same time, the two sliders move closer to each other, thereby driving the two guide rollers to move toward the middle to compensate for the gap between the guide roller and the side of the wheel due to the thinning of the wheel thickness, so as to keep the guide roller clamping the side of the wheel.

[0016] 2. The present invention sets a vertical sensing rod, a guide bar, an L sensing rod, a first slide chute body and an adjusting bolt. When it is necessary to adjust the up and down position of the guide roller on the guide plate, the adjusting bolt can be loosened to slide the vertical sensing rod and the guide bar up and down to adjust the height of the sensing wheel. After the adjustment is completed, the adjusting bolt can be tightened to fix the up and down positions of the vertical sensing rod and the guide bar. The higher the position of the sensing wheel relative to the slider, the lower the up and down position of the guide roller when working, and the lower the position of the sensing wheel relative to the slider, the higher the up and down position of the guide roller when working, thereby achieving the purpose of adjusting the up and down position of the guide roller when working, and further achieving the clamping production of the guide roller to adapt to wheels of various diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall three-dimensional structure of a wheel rolling mill in the prior art; Figure 2 It is a schematic diagram of the three-dimensional structure of the wheel in the present invention; Figure 3 It is a schematic diagram of the three-dimensional structure of the rotating arm in the present invention; Figure 4 It is a schematic diagram of the three-dimensional structure of the guide sleeve in the present invention; Figure 5 It is a schematic diagram of the internal three-dimensional structure of the guide sleeve in the present invention; Figure 6 It is a three-dimensional structural schematic diagram of the connection state of the output shaft and the guide shaft of the hydraulic telescopic rod in the present invention; Figure 7 It is a schematic diagram of the internal three-dimensional structure of the slider and the guide roller in the present invention; Figure 8 It is a schematic diagram of the internal three-dimensional structure of the guide shaft in the present invention; Fig. 9 It is a schematic diagram of the three-dimensional structure of the support plate in the present invention; Fig.10 It is a schematic diagram of the right side structure of the wheel in the present invention; Fig.11 It is a front view structural schematic diagram of the wheel in the present invention; Fig.12 It is a schematic diagram of the three-dimensional structure of the guide roller in the present invention; Fig.13 It is a schematic diagram of the three-dimensional structure of the limiting plate in the present invention; Fig.14 It is a schematic diagram of the three-dimensional structure of the induction wheel in the present invention; Fig.15 It is a schematic diagram of the three-dimensional structure of the induction roller in the present invention; Fig.16 A schematic diagram of the three-dimensional structure of the positional relationship between the single-rim wheel and the induction wheel in the present invention; Fig.17It is a three-dimensional structural schematic diagram of the position relationship between the double-rim wheel and the induction roller in the present invention.

[0018] In the figure, 1, machine body; 2, upper centering roller assembly; 3, lower centering roller assembly; 4, guide roller assembly; 5, spoke roller assembly; 6, edge roller assembly; 7, channel; 8, wheel; 11, rotating arm; 13, driving device; 14, tread; 15, inner edge; 16, wheel rim; 17, guide sleeve; 18, guide shaft; 19, guide plate; 20, slider; 21, guide roller; 25, transition block; 26, lifting spring; 27, limit plate; 28, support plate; 29, vertical sensing rod; 30, sensing wheel; 31, L sensing rod; 32, first guide rod ; 33. guide bar; 34. first slide chute body; 35. vertical hole; 36. adjusting bolt; 37. support rod; 38. L frame; 39. induction roller; 40. second slide chute body; 41. second guide rod; 42. sliding hole; 43. fixing bolt; 45. hydraulic telescopic rod; 45. hydraulic telescopic rod; 46. first bushing; 47. exhaust sleeve; 48. annular limit groove; 49. exhaust hole; 50. air vent; 51. end cover; 52. second bushing; 53. support shaft; 54. roller bearing; 55. bearing cover; 56. guide part; 57. retaining ring. DETAILED DESCRIPTION

[0019] See also Figure 1-17 The present invention is described in detail below with reference to the accompanying drawings and embodiments: The existing wheel rolling mill includes a machine body 1, and an upper centering roller assembly 2, a lower centering roller assembly 3, a guide roller assembly 4, a web roller assembly 5 and an edge roller assembly 6 are arranged on the right side of the machine body 1. A channel 7 is opened in the machine body 1 along the left and right directions. A main roller assembly (not shown in the figure) is arranged on the left side of the machine body 1. When in use, a wheel 8 is placed between the upper centering roller assembly 2 and the lower centering roller assembly 3, and the wheel 8 is clamped by the upper centering roller assembly 2, the lower centering roller assembly 3, the guide roller assembly 4, the web roller assembly 5 and the edge roller assembly 6. The main roller assembly moves rightward in the channel 7 to resist the tread 14 of the wheel 8; then the web roller assembly 5 rotates to drive the wheel 8 to rotate through friction, thereby realizing hot rolling of the wheel 8.

[0020] When in use, the steel ingot is heated in a heating furnace, taken out and pressed into the shape of a wheel 8 by a press, and then the wheel 8 is positioned between the upper centering roller assembly 2, the lower centering roller assembly 3, the guide roller assembly 4, the web roller assembly 5 and the edge rolling roller assembly 6, and then the main rolling roller assembly is driven by the power device to move from left to right through the channel 7 and contact the tread 14 of the wheel 8, wherein the upper centering roller assembly 2 contacts the top of the tread 14 of the wheel 8 downward, and the lower centering roller assembly 3 contacts the bottom of the tread 14 of the wheel 8 at the bottom, the wheel 8 is positioned by the upper centering roller assembly 2 and the lower centering roller assembly 3, the guide roller assembly 4 clamps the side of the wheel 8 by the guide roller 21, and the edge rolling The roller assembly 6 also clamps the side of the wheel 8. The head of the spoke roller of the spoke roller assembly 5 is an inverted cone. The conical head of the spoke roller assembly 5 is stuck in the inner side of the inner edge 15 of the wheel 8 and moves outward along the axis of the spoke roller assembly 5, so that the conical head of the spoke roller assembly 5 forms an outward expansion force on the inner edge 15 of the wheel 8. At the same time, the spoke roller assembly 5 rotates to drive the wheel 8 to rotate. The main roller of the main roller assembly, the upper centering roller of the upper centering roller assembly 2, the lower centering roller of the lower centering roller assembly 3, the guide roller 21 of the guide roller assembly 4 and the side roller of the side roller assembly 6 rotate with the wheel 8 at the same time, so as to achieve the purpose of hot rolling the tread 14 and the rim 16 of the wheel 8.

[0021] The wheel rolling mill guide roller assembly of the present invention comprises a guide sleeve 17 and a guide shaft 18 inserted in the guide sleeve 17, and a guide plate 19 fixedly arranged with the inner end of the guide shaft 18. The two guide plates 19 are arranged obliquely and symmetrically. A slider 20 is arranged on the inner side surface of the guide plate 19 for sliding in the up and down directions. A guide roller 21 is rotatably connected to the upper end surface of the slider 20. The outer end of the guide shaft 18 is connected to the output end of the driving device 13. The outer surface of the guide sleeve 17 is fixedly arranged with the corresponding rotating arm 11. The two rotating arms 11 can rotate up and down around the left end of the rotating arm 11, so that the right end of the rotating arm 11 moves upward or downward, so as to achieve the purpose of driving the lower centering roller assembly 3 and the guide roller assembly 4 to move up and down. A sensing device is also arranged between the two sliders 20. The sensing device is used to pick up the diameter change information of the tread 14 of the wheel 8. The two guide rollers 21 move inward synchronously according to the diameter change information obtained by the sensing device. When in use, the wheel 8 is located between the two guide rollers 21, the driving device 13 pushes the guide shaft 18 to move inward, and the guide shaft 18 moves in the guide sleeve 1 7 moves inward, the guide shaft 18 drives the guide plate 19 to move inward, the guide plate 19 drives the slider 20 to move inward, the slider 20 drives the guide roller 21 to move inward, so that the two guide rollers 21 clamp the side of the wheel 8, the spoke plate roller assembly 5 rotates to drive the wheel 8 to rotate, and the wheel 8 drives the guide roller 21 to follow the rotation to achieve hot rolling of the wheel 8; when the wheel 8 is hot rolled, the tread 14 of the wheel 8 contacts the induction device; the thickness of the wheel 8 becomes thinner, thereby increasing the diameter of the wheel 8, and the increase in the diameter of the wheel 8 makes The tread 14 of the wheel 8 presses the sensing device downward, and the sensing device moves downward, driving the two sliders 20 to move downward. The two sliders 20 slide downward along the inclined surface of the guide plate 19. At the same time, the two sliders 20 move closer to each other, thereby driving the two guide rollers 21 to move toward the middle to compensate for the gap between the guide rollers 21 and the side of the wheel 8 due to the thinning of the wheel 8, so as to keep the guide rollers clamping the side of the wheel. In normal hot rolling, the distance that the guide rollers 21 move inward through the sensing device is small, within the range of 1-3 cm.

[0022] In this embodiment, the bottom spacing of the space between the two guide plates 19 is smaller than the top spacing of the space between the two guide plates 19. A transition block 25 is provided between the guide plate 19 and the corresponding slider 20. The outer side surface of the transition block 25 is an inclined surface adapted to the inner side surface of the guide plate 19. The outer side surface of the transition block 25 and the inner side surface of the guide plate 19 are slidably arranged along the inclined direction. The inner side surface of the transition block 25 and the corresponding slider 20 are fixedly arranged. A lifting spring 26 is fixedly arranged at the bottom end of each slider 20. The lifting spring 26 drives the slider 20 to always move upward. A sensing device is provided between the two sliders 20. The sensing device is used to pick up the diameter change information of the tread 14 of the wheel 8. At the same time, it has the function of positioning the upper and lower positions of the guide rollers 21; when the wheel 8 is not installed, the two sliders 20 move upward to the limit position under the action of the spring, and the limit position of the two sliders 20 moving upward is achieved by fixing the limit plate 27 on the top of the inner side of the guide plate 19. When the wheel 8 needs to be installed, the wheel 8 is placed between the upper centering roller and the lower centering roller, and the tread 14 of the wheel 8 contacts the sensing device, and the tread 14 of the wheel 8 presses the sensing device downward. The sensing device moves downward and drives the two sliders 20 to move downward. The two sliders 20 slide downward along the inclined surface of the guide plate 19 through the transition block 25. At the same time, the two sliders 20 move closer to each other, thereby driving the two The guide rollers 21 move toward the middle by a set distance; after the wheel 8 is located between the main roller assembly, the upper centering roller assembly 2, the lower centering roller assembly 3, the guide roller assembly 4, the web roller assembly 5 and the side roller assembly 6, the distance that the sensing device is pressed downward by the tread 14 of the wheel 8 is the distance that the guide roller 21 moves downward, and the upper and lower positions of the guide roller 21 depend on the diameter of the wheel 8; then the two guide rollers 21 are driven inward by the driving device 13, so that the circumferential surfaces of the two guide rollers 21 contact the side surfaces of the wheel 8, forming a clamping effect on the wheel 8; then the web roller of the web roller assembly 5 rotates to drive the wheel 8 to rotate through the friction of the cone head, and the wheel 8 drives the main roller assembly The main rolling rollers of the parts, the upper centering roller of the upper centering roller assembly 2, the lower centering roller of the lower centering roller assembly 3, the guide roller 21 of the guide roller assembly 4 and the side roller of the side rolling roller assembly 6 simultaneously follow the rotation of the wheel 8 to hot roll the wheel 8. When the two guide rollers 21 clamp the wheel 8 and rotate at the same time, the thickness of the wheel 8 decreases, and then the diameter of the tread 14 of the wheel 8 increases. The increase in the diameter of the tread 14 of the wheel 8 pushes the sensing device to move downward. The downward movement of the sensing device drives the two sliders 20 to move downward and at the same time drives the two sliders 20 to move inward, so that the two guide rollers 21 move inward to clamp the wheel 8, compensate for the reduced thickness of the wheel 8, and ensure the effect of hot rolling.

[0023] In this embodiment, a support plate 28 is provided below the guide plate 19 and is fixed to the guide sleeves 17 on the front and rear sides. An accommodating circular groove is provided on the upper end surface of the support plate 28. The bottom end of the lifting spring 26 is located in the accommodating circular groove and is fixed to the inner bottom wall of the accommodating circular groove.

[0024] In this embodiment, the sensing device includes a left sensing device and a right sensing device. The left sensing device is used to pick up the change information of the tread 14 diameter of the single-rim wheel 8, and the right sensing device is used to pick up the change information of the tread 14 diameter of the double-rim wheel 8.

[0025] In this embodiment, Fig.12 and Fig.14 As shown, the left sensing device includes a vertical sensing rod 29 arranged on the left side of the slider 20 on the front side, a fixed shaft is fixedly arranged on the top of the vertical sensing rod 29, a sensing wheel 30 is rotatably connected to the fixed shaft, and an L sensing rod 31 is fixedly arranged at the rear end of the fixed shaft, and the L sensing rod 31 is slidably arranged along the front-to-back direction with the slider 20 on the rear side through a first guide rod 32; the L sensing rod 31 is to avoid the rim 16 part of the single-rim wheel 8; when in use, the wheel 8 is positioned between the upper centering roller assembly 2 and the lower centering roller assembly 3, and the positional relationship between the wheel 8 and the sensing wheel 30 at this time is as shown in FIG. Fig.11 Then, the driving device 13 pushes the two guide rollers 21 to move closer to clamp the side of the wheel 8 through the guide shaft 18, the guide plate 19, the transition block 25 and the slider 20 in sequence. At the same time, the vertical sensing rod 29 and the L sensing rod 31 move toward the rear side under the drive of the slider 20 on the front side, and the first guide rod 32 moves relative to the slider 20 on the rear side, so that the sensing wheel 30 is completely in contact with the tread 14 of the wheel 8. At the same time, the L sensing rod 31 avoids the rim 16 of the single-rim wheel 8 to prevent interference with the rotation of the wheel 8. During hot rolling, the rotation of the wheel 8 drives the sensing wheel 30 to rotate, and the side of the wheel 8 is hot rolled under the clamping of the guide roller 21. The wheel 8 The thickness of the wheel 8 becomes smaller, while the diameter of the tread 14 of the wheel 8 becomes larger. Due to the smaller thickness of the wheel 8, a gap appears at the side contact between the guide roller 21 and the wheel 8. At this time, the induction wheel 30 moves downward due to the increase in the diameter of the tread 14 of the wheel 8, thereby driving the two sliders 20 to move downward and move closer to each other, thereby causing the two guide rollers 21 to move closer to each other to compensate for the gap at the side contact between the guide rollers 21 and the wheel 8, thereby ensuring the effect of hot rolling. In normal hot rolling, the distance moved by the two guide rollers 21 to move closer to each other to compensate for the gap at the side contact between the guide rollers 21 and the wheel 8 is very small.

[0026] In the above scheme, the up and down position of the guide roller 21 during operation depends on the position of the vertical sensing rod 29 and the L sensing rod 31 relative to the slider 20. In order to achieve the purpose of adjusting the up and down position of the guide roller 21 during operation, in this embodiment, a guide bar 33 is fixedly provided at the rear end of the L sensing rod 31, and a first slide groove body 34 is fixedly provided at the front end of the first guide rod 32. The guide bar 33 is slidably arranged in the first slide groove body 34 along the up and down direction; the vertical sensing rod 29 is slidably arranged on the front slider 20 along the up and down direction, and vertical holes 35 are provided on the vertical sensing rod 29 and the guide bar 33. The first slide groove body 34 and the front slider 20 are both threadedly connected with adjusting bolts 36, and the adjusting bolts 36 pass through the corresponding vertical holes 35 and are threadedly connected with the first slide groove body 34 or the front slider 20; when in use, the adjusting bolts 36 can be loosened to slide the vertical sensing rod 29 and the guide rod 33 up and down. The height of the induction wheel 30 is adjusted by adjusting the adjusting bolt 36. After the adjustment is completed, tighten the adjusting bolt 36 to fix the upper and lower positions of the vertical induction rod 29 and the guide bar 33. The higher the position of the induction wheel 30 relative to the slider 20, the lower the upper and lower positions of the guide roller 21 when working, and the lower the position of the induction wheel 30 relative to the slider 20, the higher the upper and lower positions of the guide roller 21 when working. In production, due to the different sizes of the wheels 8, the positions where the circumferential surface of the guide roller 21 contacts the side of the wheel 8 are different. Therefore, it is necessary to adjust the radial position of the guide roller 21 along the wheel 8 so that when producing wheels 8 of different sizes, the guide roller 21 is located in a suitable position to clamp the side of the wheel 8. By adjusting the upper and lower positions of the guide roller 21 when working, the upper and lower positions of the slider 20 relative to the guide plate 19 can be adjusted, thereby achieving the purpose of adjusting the upper and lower positions of the guide roller 21.

[0027] In this embodiment, Fig.13 and Fig.15As shown, the right sensing device includes two support rods 37, and an L frame 38 fixedly arranged on the top of the inner side of the support rod 37, and a sensing roller 39 is rotatably connected between the two L frames 38. The front support rod 37 is slidably arranged on the right side of the front slider 20 along the up-down direction, and the rear support rod 37 is slidably arranged in the second slide trough body 40 along the up-down direction. The rear side of the second slide trough body 40 is fixedly provided with a second guide rod 41, and the second guide rod 41 is slidably arranged in the rear slider 20 along the front-back direction. Sliding holes 42 are opened on the two support rods 37 along the up-down direction. The right side surface of the slider 20 and the second slide chute body 40 are both threadedly connected with fixing bolts 43, and the fixing bolts 43 pass through the slide hole 42 and are threadedly connected to the slider 20 or the second slide chute body 40. The upper and lower positions of the two support rods 37 can be adjusted by loosening the fixing bolts 43, and the positions of the two support rods 37 can be fixed by tightening the fixing bolts 43; when in use, the upper and lower positions of the vertical sensing rod 29 and the guide bar 33 are adjusted downward in advance so that the sensing wheel 30 does not contact the wheel 8; then the double-rim wheel 8 is placed between the upper centering roller and the lower centering roller. At this time, the sensing wheel 30 does not work, and the sensing The sensing roller 39 may be located between the two wheel rims 16 of the double-rim wheel 8, or may be in contact with one of the wheel rims 16. The guide rollers 21 are driven to move closer to each other by the driving device 13, and the second guide rod 41 slides in the slider 20 at the rear side. If the sensing roller 39 contacts one of the wheel rims 16, it will slowly move between the two wheel rims 16. When the sensing roller 39 moves between the two wheel rims 16, the lifting spring 26 pushes the slider 20 upward again to drive the guide roller 21 to move upward, so that the sensing roller 39 contacts the tread 14 of the double-rim wheel 8, and the driving device 13 continues to move. The two guide rollers 21 are continuously driven to move toward each other, so that the guide rollers 21 clamp the side of the double-rim wheel 8; then the spoke roller rotates to drive the wheel 8 to rotate, and the rotation of the wheel 8 drives the guide roller 21 to rotate. When the thickness of the wheel 8 becomes smaller during the hot rolling process, the diameter of the tread 14 of the wheel 8 becomes larger, pushing the induction roller 39 to move downward, and the induction roller 39 drives the two sliders 20 to move downward. The two sliders 20 move downward and move toward each other, thereby driving the two guide rollers 21 to further clamp the side of the wheel 8 to compensate for the gap caused by the reduced thickness of the wheel 8.

[0028] When the single-rim wheel 8 is hot-rolled, the positions of the two support rods 37 can be adjusted downward so that the sensing roller 39 does not contact the tread 14 of the wheel 8 during hot rolling; the tread 14 of the wheel 8 is sensed by the left sensing device; and the single-rim wheel 8 can also be sensed by the sensing roller 39. When the single-rim wheel 8 is hot-rolled, both the left sensing device and the right sensing device can be used, and either one can be used.

[0029] In this embodiment, the driving device 13 is a hydraulic telescopic rod 45 fixedly arranged on the outer end of the guide sleeve 17, and the output shaft of the hydraulic telescopic rod 45 is fixedly arranged on the corresponding guide shaft 18; the hydraulic telescopic rod 45 pushes the guide shaft 18 to move through the output shaft, thereby driving the guide plate 19, the transition block 25, the slider 20 and the guide roller 21 to move, thereby achieving the purpose of moving the two guide rollers 21 away from or closer to each other.

[0030] In this embodiment, the inner side wall of the upper guide sleeve 17 is fixedly inlaid with two first shaft sleeves 46 and the exhaust sleeve 47, and the upper guide shaft 18 is inserted into the two first shaft sleeves 46 and the exhaust sleeve 47. The hydraulic telescopic rod 45 drives the upper guide shaft 18 to move back and forth along the axis in the two first shaft sleeves 46 and the exhaust sleeve 47, thereby driving the two guide rollers 21 to move away from or towards each other.

[0031] In this embodiment, an annular limit groove 48 is provided on the outer surface of the exhaust sleeve 47, and an exhaust space is formed between the annular limit groove 48 of the exhaust sleeve 47 and the inner side wall of the guide sleeve 17, a plurality of exhaust holes 49 are provided on the inner bottom wall of the annular limit groove 48, and an air vent 50 is provided at a position corresponding to the annular limit groove 48 on the guide sleeve 17; during specific operation, when the guide shaft 18 moves back and forth in the two first shaft sleeves 46 and the exhaust sleeve 47, a moving space is formed between the outer end of the guide shaft 18 and the end cover 51 of the guide sleeve 17, so that the guide shaft 18 has the function of compressing and sucking the air in the moving space. In order to solve this problem, when the guide shaft 18 compresses and sucks the air in the moving space, the air in the moving space enters the exhaust space through the exhaust holes 49, and then is discharged from the air vent 50 of the guide sleeve 17.

[0032] In this embodiment, the two ends of the inner wall of the lower guide sleeve 17 are fixedly inlaid with second shaft sleeves 52, and the lower guide shaft 18 is inserted into the two second shaft sleeves 52; when the hydraulic telescopic rod 45 drives the guide shaft 18 to move forward and backward, the guide shaft 18 drives the guide plate 19 to move forward and backward, and the guide plate 19 drives the lower guide shaft 18 to move forward and backward in the two second shaft sleeves 52.

[0033] In this embodiment, a support shaft 53 is coaxially fixedly provided inside the guide roller 21, and the support shaft 53 is inserted into the slider 20 and is rotatably connected to the slider 20 through a roller bearing 54; a bearing cover 55 is fixedly inlaid on the upper end surface of the slider 20, and a guide portion 56 is coaxially fixedly provided on the upper end surface of the bearing cover 55, and an annular groove matching the guide portion 56 is provided on the lower end surface of the guide roller 21, and the support shaft 53 and the bearing cover 55 are sleeved; when the guide roller 21 rotates, it drives the support shaft 53 to rotate, and the support shaft 53 rotates in the bearing cover 55, and the guide portion 56 of the bearing cover 55 extends into the annular groove of the guide roller 21, and the cooperation between the annular groove and the guide portion 56 makes the guide roller 21 rotate more smoothly.

[0034] In this embodiment, an annular groove is provided on the outer surface of the output shaft of the hydraulic telescopic rod 45, and a stepped hole is provided on the outer end surface of the guide shaft 18. The output shaft of the hydraulic telescopic rod 45 is inserted into the stepped hole of the guide shaft 18. Two retaining rings 57 are fixedly arranged in the stepped hole, and the two retaining rings 57 are both inserted into the annular groove of the hydraulic telescopic rod 45; the output shaft of the hydraulic telescopic rod 45 is fixedly connected to the guide shaft 18 via the two retaining rings 57.

[0035] The working principle of the present invention is as follows: the wheel 8 formed by heating and pressing is positioned between the upper centering roller assembly 2, the lower centering roller assembly 3, the guide roller assembly 4, the web roller assembly 5 and the edge roller assembly 6, and then the main roller assembly is driven by the power device to move from left to right through the channel 7 and contact the tread 14 of the wheel 8, wherein the upper centering roller assembly 2 contacts the top of the tread 14 of the wheel 8 downward, and the lower centering roller assembly 3 contacts the bottom of the tread 14 of the wheel 8 at the bottom, and the wheel 8 is positioned by the upper centering roller assembly 2 and the lower centering roller assembly 3, the guide roller assembly 4 clamps the side of the wheel 8 by the guide roller 21, and the edge roller assembly 6 also clamps the side of the wheel 8, and the conical head of the web roller assembly 5 is stuck in the inner side of the inner edge 15 of the wheel 8, and moves outward along the axis of the web roller assembly 5, so that the conical head of the web roller assembly 5 forms an outward expansion force on the inner edge 15 of the wheel 8, and at the same time the web roller assembly Component 5 rotates, driving the wheel 8 to rotate. The main roller of the main roller assembly, the upper centering roller of the upper centering roller assembly 2, the lower centering roller of the lower centering roller assembly 3, the guide roller 21 of the guide roller assembly 4 and the side roller of the side roller assembly 6 simultaneously follow the rotation of the wheel 8 to achieve the purpose of hot rolling the tread 14 and the rim 16 of the wheel 8; the rotation of the wheel 8 drives the induction wheel 30 to rotate, and the side of the wheel 8 is hot rolled under the clamping of the guide roller 21. The thickness of the wheel 8 becomes smaller, while the diameter of the tread 14 of the wheel 8 becomes larger. Due to the decrease in the thickness of the wheel 8, a gap appears at the contact between the guide roller 21 and the side of the wheel 8. At this time, the induction wheel 30 is affected by the increase in the diameter of the tread 14 of the wheel 8 and moves downward, thereby driving the two sliders 20 to move downward and move closer to each other, thereby causing the two guide rollers 21 to move closer to each other, so as to compensate for the gap at the contact between the guide roller 21 and the side of the wheel 8, thereby ensuring the effect of hot rolling.

Claims

1. A wheel rolling mill guide roller assembly, comprising a guide sleeve (17), a guide shaft (18) inserted into the guide sleeve (17), and a guide plate (19) fixedly mounted on the inner end of the guide shaft (18), characterized in that: The two guide plates (19) are arranged obliquely and symmetrically, a slider (20) is arranged on the inner side surface of the guide plate (19) so as to slide in the up-down direction, the upper end surface of the slider (20) is rotatably connected to a guide roller (21), the outer end of the guide shaft (18) is connected to the output end of the driving device (13), the outer surface of the guide sleeve (17) is fixedly arranged on the corresponding rotating arm (11), and a sensing device is further arranged between the two sliders (20), the sensing device is used to pick up diameter change information of the tread (14) of the wheel (8), and the two guide rollers (21) move inward synchronously according to the diameter change information obtained by the sensing device.

2. The wheel rolling mill guide roller assembly according to claim 1, characterized in that: The bottom spacing of the space between the two guide plates (19) is smaller than the top spacing of the space between the two guide plates (19); a transition block (25) is provided between the guide plate (19) and the corresponding slider (20); the outer side surface of the transition block (25) is slidably provided with the guide plate (19) along an inclined direction; the inner side surface of the transition block (25) is fixedly provided with the corresponding slider (20); a lifting spring (26) is fixedly provided at the bottom end of each slider (20); the lifting spring (26) drives the slider (20) to always move upward; a sensing device is provided between the two sliders (20); the sensing device is used to pick up information on the diameter change of the tread (14) of the wheel (8) and has the function of positioning the upper and lower positions of the guide roller (21).

3. The wheel rolling mill guide roller assembly according to claim 2, characterized in that: The sensing device comprises a left sensing device and a right sensing device, the left sensing device being used to pick up information on changes in the diameter of the tread (14) of a single-rim wheel (8), and the right sensing device being used to pick up information on changes in the diameter of the tread (14) of a double-rim wheel (8).

4. The wheel rolling mill guide roller assembly according to claim 3, characterized in that: The left-side sensing device comprises a vertical sensing rod (29) arranged on the left side of the slider (20) on the front side, a fixed shaft is fixedly arranged at the top end of the vertical sensing rod (29), a sensing wheel (30) is rotatably connected to the fixed shaft, an L sensing rod (31) is fixedly arranged at the rear end of the fixed shaft, and the L sensing rod (31) is slidably arranged along the front-rear direction with the slider (20) on the rear side via a first guide rod (32).

5. The wheel rolling mill guide roller assembly according to claim 4, characterized in that: A guide bar (33) is fixedly provided at the rear end of the L sensing rod (31), a first slide groove body (34) is fixedly provided at the front end of the first guide rod (32), and the guide bar (33) is slidably provided in the first slide groove body (34) along the up-down direction; a vertical sensing rod (29) is slidably provided on the front slider (20) along the up-down direction, a vertical hole (35) is provided on the vertical sensing rod (29) and the guide bar (33), and an adjusting bolt (36) is threadedly connected to the first slide groove body (34) and the front slider (20), and the adjusting bolt (36) passes through the corresponding vertical hole (35) and is threadedly connected to the first slide groove body (34) or the front slider (20).

6. The wheel rolling mill guide roller assembly according to claim 3, characterized in that: The right-side sensing device comprises two support rods (37) and an L-frame (38) fixedly arranged at the top of the inner side surface of the support rod (37); a sensing roller (39) is rotatably connected between the two L-frames (38); the front support rod (37) is slidably arranged on the right side surface of the front slider (20) in the up-down direction; the rear support rod (37) is slidably arranged in the second slide groove body (40) in the up-down direction; a second guide rod (41) is fixedly arranged on the rear side surface of the second slide groove body (40); the second guide rod (41) is slidably arranged in the rear slider (20) in the front-back direction; sliding holes (42) are opened on the two support rods (37) in the up-down direction; the right side surface of the front slider (20) and the second slide groove body (40) are both threadedly connected with fixing bolts (43); the fixing bolts (43) pass through the sliding holes (42) and are threadedly connected to the slider (20) or the second slide groove body (40).

7. The wheel rolling mill guide roller assembly according to claim 1, characterized in that: The driving device (13) is a hydraulic telescopic rod (45) fixedly arranged on the outer end of the guide sleeve (17), and the output shaft of the hydraulic telescopic rod (45) is fixedly arranged on the corresponding guide shaft (18).

8. The wheel rolling mill guide roller assembly according to claim 7, characterized in that: Two first shaft sleeves (46) and an exhaust sleeve (47) are fixedly embedded on the inner side wall of the upper guide sleeve (17), and the upper guide shaft (18) is inserted into the two first shaft sleeves (46) and the exhaust sleeve (47).

9. The wheel rolling mill guide roller assembly according to claim 8, characterized in that: An annular limiting groove (48) is provided on the outer surface of the exhaust sleeve (47), an exhaust space is formed between the annular limiting groove (48) of the exhaust sleeve (47) and the inner side wall of the guide sleeve (17), a plurality of exhaust holes (49) are provided on the inner bottom wall of the annular limiting groove (48), and an air vent (50) is provided on the guide sleeve (17) at a position corresponding to the annular limiting groove (48).

10. The wheel rolling mill guide roller assembly according to claim 1, characterized in that: Second shaft sleeves (52) are fixedly embedded at both ends of the inner side wall of the lower guide sleeve (17), and the lower guide shaft (18) is inserted into the two second shaft sleeves (52).

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