A type of roller changing cross track

Abstract

This utility model discloses a cross-track for changing rollers. The cross-track includes: a first transport vehicle base, a first roller receiving vehicle track, a second transport vehicle base, and a second roller receiving vehicle track arranged in a cross configuration. A middle V-shaped guide rail is provided between the first and second transport vehicle bases. A first transport vehicle is mounted on the first transport vehicle base, a first roller receiving vehicle is mounted on the first roller receiving vehicle track, a second transport vehicle is mounted on the second transport vehicle base, and a second roller receiving vehicle is mounted on the second roller receiving vehicle track. The roller receiving vehicle is a three-wheeled type, with a flat wheel on one rear side, a V-shaped guide wheel on the other rear side, and a V-shaped guide wheel in the middle front. The V-shaped guide wheel in the middle front of the roller receiving vehicle runs on the middle V-shaped guide rail. This utility model's cross-track eliminates the need for a steering mechanism, improving roller changing efficiency and reliability.

Description

Technical Field

[0001] This utility model relates to a cross track, and more particularly to a cross track for changing rolls in a rolling mill or straightening machine roll changing system. Background Technology

[0002] The work rolls of rolling mills, straighteners, etc., need to be replaced frequently during the production process due to wear or changes in product specifications. In order to improve roll changing efficiency, new work rolls are prepared in advance on the roll changing device. After the old work rolls are removed, they can be quickly moved in for replacement. When roll changing is not required, they can be hoisted on site.

[0003] During the transfer of new and old work rolls, the tracks of the roll receiving car and the transport vehicles such as the rolling mill intersect at points, requiring the installation of a steering mechanism. This increases the roll changing time and also increases the complexity and reliability of the roll changing device. Utility Model Content

[0004] To address the above problems, this utility model provides a roller-changing cross track.

[0005] To achieve the above objectives, the present invention provides a roller-changing cross track, comprising: a first transport vehicle base, a first roller receiving vehicle track, a second transport vehicle base, a second roller receiving vehicle track, and an intermediate V-shaped guide rail provided between the first transport vehicle base and the second transport vehicle base. The first carrier is mounted on the base of the first carrier and the first roller receiving car is mounted on the first roller receiving car track. The second carrier is mounted on the base of the second carrier and the second roller receiving car is mounted on the second roller receiving car track. The roller receiving carriage is a three-wheeled roller receiving carriage, wherein one rear side is a flat wheel, the other rear side is a V-shaped guide wheel, and the front middle is a V-shaped guide wheel; The roller receiving car has a V-shaped guide wheel in the middle of the front, which runs on the middle V-shaped guide rail.

[0006] Furthermore, inverted L-shaped pressure plates are provided on both sides of the first carrier base, the first roller receiving car track, the second carrier base, and the second roller receiving car track; wherein, the vertical plate of the pressure plate is installed on the roller changing cross track 7, and the horizontal plate of the pressure plate is located above the wheel, with a gap between it and the upper wheel flange.

[0007] Furthermore, the roller receiving vehicle is equipped with a roller receiving robotic arm, which includes a frame; Within the aforementioned frame, an upper arm and a lower arm are pivotally connected by a pin; the pin is pivotally connected to the middle section of the arm. The front section of the connecting arm extends forward out of the frame, and a receiving roller recess is provided on the front section of the connecting arm; The rear section of the arm is located within the frame; An arm adjustment device is provided on the frame corresponding to the rear end of the arm. The adjustment device is used to control the arm to be in the first working position or the second working position.

[0008] Furthermore, the adjusting device includes: A crossbeam is provided between the frames, and guide blocks are provided on both sides of the crossbeam. A longitudinal guide groove is provided on the inner side of the frame corresponding to both ends of the crossbeam. The crossbeam is slidably set in the guide groove through the guide blocks on both sides. An eccentric shaft is provided, which is a three-section stepped shaft, wherein the center of the small diameter section is not collinear with the center of the large and medium diameter sections; the large diameter cylindrical section is located on the outside of the frame and is equipped with an adjustment rod; the medium diameter cylindrical section mates with the inner hole of the copper sleeve, and the copper sleeve is installed on the frame; the guide blocks on both sides of the crossbeam are provided with elongated oval adjustment slots in the middle, and the small diameter section of the eccentric shaft is set in the adjustment slots; the lower surface of the crossbeam abuts against the rear end of the connecting arm.

[0009] Furthermore, the crossbeam abuts against the rear end of the connecting arm via an angle adjustment device; the angle adjustment device includes: A stepped hole is provided in the middle of the crossbeam; the lower section of the stepped hole has a threaded sleeve; an adjusting bolt has a threaded section at the lower end; the lower section of the adjusting bolt is screwed into the threaded sleeve, and the lower end of the adjusting bolt abuts against the rear end of the connecting arm. A cover is provided at the upper opening of the stepped hole; a guide hole is provided in the center of the cover; A guide sleeve with an edge is provided in the guide hole, and the edge of the guide sleeve is located on the lower surface of the cover. The middle and upper sections of the adjusting bolt are smooth sections, with the middle section of the adjusting bolt fixed inside the guide sleeve; the upper section of the adjusting bolt extends upward out of the guide sleeve; and an elastic component is fitted onto the adjusting bolt between the guide sleeve and the threaded sleeve.

[0010] Furthermore, a keyway is provided on the major diameter cylindrical section of each eccentric shaft; a connecting block is provided corresponding to the minor diameter cylindrical section of each eccentric shaft, and the connecting block is connected to the keyway on the major diameter cylindrical section through a convex key; a U-shaped adjusting rod is provided, and the two ends of the adjusting rod are connected to the two connecting blocks; the middle diameter cylindrical section of each eccentric shaft is fitted with the inner hole of the copper sleeve, and the copper sleeve is installed on the frame.

[0011] The cross roller conveyor of this utility model includes two receiving roller cars and a transport car, wherein the transport car is a four-wheeled type and the receiving roller car is a three-wheeled type. The corresponding base track intersects the four-wheeled track through the middle track of the three-wheeled track, eliminating the need for a steering mechanism and improving the efficiency and reliability of roller changing. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the cross track for changing rollers according to this utility model, as well as the transport vehicle and roller receiving vehicle on it.

[0013] Figure 2 for Figure 1 A schematic diagram of the cross track structure for the intermediate roller change.

[0014] Figure 3 for Figure 2 An exploded view of the cross track for the intermediate roll change.

[0015] Figure 4 for Figure 1 A schematic diagram of the pressure plate on the cross track of the intermediate roller changer.

[0016] Figure 5 This is a schematic diagram of the roller receiving car.

[0017] Figure 6 This is a structural schematic diagram of the transport vehicle.

[0018] Figure 7 for Figure 5 Side view.

[0019] Figure 8 for Figure 7 A cross-sectional view.

[0020] Figure 9 for Figure 8 A cross-sectional view of the central crossbeam.

[0021] Figure 10 for Figure 5 A schematic diagram of the middle connecting arm.

[0022] Figure 11 for Figure 5 A schematic diagram of the guide groove.

[0023] Figure 12 for Figure 9 A schematic diagram of the appearance of the middle crossbeam.

[0024] Figure 13 for Figure 9 A schematic diagram of the eccentric shaft.

[0025] Figure 14 for Figure 9 A schematic diagram of the structure of the connecting block. Detailed Implementation

[0026] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0027] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0028] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] like Figures 1 to 6 As shown, the roller changing cross track 7 of this utility model includes at least: a first transport vehicle base 7.1, a first roller receiving vehicle track 7.2, an intermediate V-shaped guide rail 7.3, a second transport vehicle base 7.4, and a second roller receiving vehicle track 7.5. The five bases are installed and connected together to form a complete roller changing cross track 7.

[0031] The first transport vehicle 1 is mounted on the base of the first transport vehicle, and the first roller receiving vehicle 3 is mounted on the first roller receiving vehicle track. The second transport vehicle 5 is mounted on the base of the second transport vehicle, and the second roller receiving vehicle 9 is mounted on the second roller receiving vehicle track.

[0032] The first transport vehicle 1 and the second transport vehicle 5 are both four-wheeled, with two flat wheels on one side and two V-shaped guide wheels on the other side to ensure the position of the transport vehicle; the first roller receiving vehicle 3 and the second roller receiving vehicle 9 are both three-wheeled, with one flat wheel and one V-shaped guide wheel on each of the rear two sides and one V-shaped guide wheel in the middle of the front to ensure the position of the roller receiving vehicle. When the V-shaped guide wheel moves on the V-shaped rail, the V-shaped rail requires high precision. To improve the continuous precision of the V-shaped rail, a stop positioning mechanism is set on the side of the V-shaped rail on the first carrier base 7.1 and the second carrier base 7.4. Similarly, a stop positioning mechanism is also set on the connection between the intermediate V-shaped guide rail 7.3 and the first roller receiving car rail 7.2 and the second roller receiving car rail 7.5 to improve the connection precision.

[0033] After the roller receiving car and transport car are loaded with workpieces, the characteristics of the workpieces may cause the center of gravity of the roller receiving car and transport car to be unstable, resulting in vibration and overturning during movement. To improve stability, multiple pressure plates are set up (first pressure plate 2, second pressure plate 4, third pressure plate 6, fourth pressure plate 8, etc.). Each pressure plate is L-shaped, with the vertical plate of the pressure plate installed at the corresponding position on the roller changing cross track 7. The horizontal plate of the pressure plate is located above the wheel and has a small gap with the upper wheel flange. During normal operation, it does not contact the wheel, thus ensuring the stability of the car body when vibration or overturning occurs.

[0034] This scheme uses a three-wheeled roller receiving vehicle. The V-shaped guide wheel located in the middle of the front can pass through the narrow gaps between the tracks on both sides of the transport vehicle, increasing the distance between the front and rear wheels and placing the center of gravity of the roller receiving vehicle in the middle of the front and rear wheels.

[0035] like Figures 7 to 14 As shown, the aforementioned roller receiving carriage includes: lower arm 91, upper arm 92, pin shaft 93, limit bar 94, upper adjusting rod 95, lower adjusting rod 96, frame 97, connecting shaft 98, connecting block 99, pad 910, eccentric shaft 911, copper sleeve 912, crossbeam 913, cover 914, adjusting bolt 915, guide sleeve 916, elastic component 917, threaded sleeve 918, etc.

[0036] The lower arm 91 and upper arm 92 are fork-shaped frames with a pin hole in the middle, two arms at the front, and an adjustment plate at the rear. A V-shaped receiving groove and a limiting surface are provided at the front of each arm. The V-shaped receiving groove contacts the moving labyrinth ring of the roll on three sides, and the limiting surface is higher than the bottom surface of the V-shaped receiving groove. The lower arm 91 and upper arm 92 are hinged to the frame 97 via a pin 93.

[0037] The upper adjusting rod 95 and the lower adjusting rod 96 are fixedly connected to the connecting shaft 98, and the connecting shaft 98 is installed on the connecting block 99 by means of a washer 910 and bolts.

[0038] A rectangular key is provided on the connecting block 99. The eccentric shaft 911 is a three-section stepped shaft, wherein the center of the small diameter section is not collinear with the center of the large and medium diameter sections; the large diameter cylindrical section is provided with a keyway to cooperate with the connecting block 99; the medium diameter cylindrical section cooperates with the inner hole of the copper sleeve 912; and the copper sleeve 912 is installed on the frame 97.

[0039] Guide blocks are provided on both sides of the crossbeam 913, which slide in cooperation with the guide groove on the frame 97; adjustment slots are provided on both sides of the crossbeam 913, which are oblong holes that fit with the minor diameter of the eccentric shaft 911; a stepped hole is provided in the middle of the crossbeam 913.

[0040] The threaded sleeve 918 is fitted with the adjusting bolt 915 and installed below the intermediate stepped hole of the crossbeam 913. The cover 914 is fitted with the guide sleeve 916 and installed above the intermediate stepped hole of the crossbeam 913. An elastic component 917 is provided between the guide sleeve 916 and the threaded sleeve 918.

[0041] Moving the upper adjusting lever 95 and the lower adjusting lever 96 will cause the eccentric shaft 911 to rotate. Because the small diameter section of the eccentric shaft 911 is eccentric to the large and medium diameter sections, the small diameter section will rotate within a large circle (the diameter of the large circle is: the diameter of the small diameter section + the eccentricity). 2) It cooperates with the elongated hole adjustment slots on both sides of the crossbeam 913 to drive the frame 97 to adjust up and down.

[0042] The adjusting bolt 915 is installed in the threaded sleeve 918, and its position can be adjusted up and down according to the working needs. The lower part of the adjusting bolt 915 contacts the adjusting plate on the lower arm 91 and the upper arm 92, which determines the angle and position of the lower arm 91 and the upper arm 92.

[0043] During operation, as needed for roller changing, the upper adjusting rod 95 and the lower adjusting rod 96 are moved to adjust the position of the crossbeam 913 and the adjusting bolt 915, thereby adjusting the angle and position of the lower arm 91 and the upper arm 92.

[0044] The adjusting bolt 915 is installed in the crossbeam 913 through the elastic component 917. It can play a buffering and protective role when the rolls are loaded on the lower arm 91 and the upper arm 92. For rolls of different specifications (weights), the position of the adjusting bolt 915 can be adjusted to adjust the angle and position of the lower arm 1 and the upper arm 2.

[0045] The present invention has been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above-described embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention. Many other changes and modifications made without departing from the concept and scope of the present invention should be considered within the protection scope of the present invention.

[0046] In the description of this specification, specific features, structures, materials, or characteristics may be combined in any suitable manner in one or more embodiments or examples.

[0047] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A roller-changing cross track, characterized in that, The roller changing cross track includes: a first transport vehicle base, a first roller receiving vehicle track, a second transport vehicle base, and a second roller receiving vehicle track arranged in a cross configuration, with an intermediate V-shaped guide rail provided between the first transport vehicle base and the second transport vehicle base. The first carrier is mounted on the base of the first carrier and the first roller receiving car is mounted on the first roller receiving car track. The second carrier is mounted on the base of the second carrier and the second roller receiving car is mounted on the second roller receiving car track. The roller receiving carriage is a three-wheeled roller receiving carriage, wherein one rear side is a flat wheel, the other rear side is a V-shaped guide wheel, and the front middle is a V-shaped guide wheel; The roller receiving car has a V-shaped guide wheel in the middle of the front, which runs on the middle V-shaped guide rail.

2. The roller-changing cross track as described in claim 1, characterized in that, Inverted L-shaped pressure plates are installed on both sides of the first carrier base, the first roller receiving car track, the second carrier base, and the second roller receiving car track. The vertical plate of the pressure plate is installed on the roller changing cross track, and the horizontal plate of the pressure plate is located above the wheel, with a gap between it and the upper wheel flange.

3. The roller-changing cross track as described in claim 1, characterized in that, The roller receiving vehicle is equipped with a roller receiving robotic arm, which includes a frame; Within the aforementioned frame, an upper arm and a lower arm are pivotally connected by a pin; the pin is pivotally connected to the middle section of the arm. The front section of the connecting arm extends forward out of the frame, and a receiving roller recess is provided on the front section of the connecting arm; The rear section of the arm is located within the frame; An arm adjustment device is provided on the frame corresponding to the rear end of the arm. The adjustment device is used to control the arm to be in the first working position or the second working position.

4. The roller-changing cross track as described in claim 3, characterized in that, The adjustment device includes: a crossbeam arranged between the frames, guide blocks arranged on both sides of the crossbeam, and longitudinal guide grooves arranged on the inner side of the frames corresponding to both ends of the crossbeam, and the crossbeam is slidably arranged in the guide grooves through the guide blocks on both sides. An eccentric shaft is provided, which is a three-section stepped shaft, wherein the center of the small diameter section is not collinear with the center of the large and medium diameter sections; the large diameter cylindrical section is located on the outside of the frame and is equipped with an adjusting rod; the medium diameter cylindrical section is fitted with the inner hole of the copper sleeve and the copper sleeve is installed on the frame. The guide blocks on both sides of the crossbeam are provided with elongated oval adjustment slots in the middle, and the small diameter section of the eccentric shaft is set in the adjustment slots. The lower surface of the beam abuts against the rear end of the connecting arm.

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