A straightener integral automatic roll changing vehicle

Abstract

The application discloses a straightening machine integral automatic roll changing vehicle. The vehicle body is provided with roll grooves corresponding to the roll shoulders of each lower straightening roll of the straightening machine on the side plates on both sides of the vehicle body; a tray is arranged on the side plate corresponding to the roll shoulder of the upper straightening roll of the straightening machine; the tray comprises a hollow support cylinder arranged on the side plate and a Y-shaped bracket rotatably arranged on the hollow support cylinder; the hollow support cylinder does not interfere with the lifting of the lower straightening roll; the Y-shaped bracket comprises a rotating column rotatably arranged on the hollow support cylinder, and a support table integrally arranged on the upper end of the rotating column and matched with the upper end surface of the hollow support cylinder; a U-shaped support matched with the roll shoulder of the upper straightening roll is arranged on the support table; when the upper straightening roll and the lower straightening roll are lifted from the roll changing vehicle to the working position, the U-shaped support is located between the roll shoulders of the adjacent two upper straightening rolls and lower straightening rolls and does not interfere with each other. The application greatly reduces the roll changing steps and the roll changing time.

Description

Technical Field

[0001] This invention relates to an integrated automatic roll changing trolley for a straightening machine and a roll changing process, and particularly to an integrated automatic roll changing trolley for a frame-type (gantry-type) straightening machine. Background Technology

[0002] Small steel straightening machines using a combined frame type have many advantages, such as high straightening rigidity, good straightening effect, and the ability to straighten multiple steel bars in a row, which can greatly increase production capacity. However, for combined frame type straightening machines with a small pitch, changing the straightening rollers is a relatively tricky problem because the machine itself is small and it is difficult to arrange the roller changing device.

[0003] An automatic roll changing process for a row straightener (CN112427489A) and an automatic roll changing trolley for a row straightener (CN112427491A) respectively introduce a roll changing process and equipment. The roll changing process is realized by setting up a combination mechanism of upper bracket and lower trolley. The roll changing steps are numerous, the operation is complicated, the roll changing time is long, and the degree of automation is not high. Summary of the Invention

[0004] To address the aforementioned problems, this invention provides an integrated automatic roll changing machine and a roll changing process. By employing an integrated automatic roll changing machine, the number of operation steps and the time required for changing the straightening rolls can be significantly reduced.

[0005] To achieve the above objectives, the present invention provides an integrated automatic roller changing trolley for a straightening machine. The roller changing trolley is used to deliver straightening rollers to the straightening machine for straightening operations, and then removes the straightening rollers from the straightening machine when the straightening operation is completed or when a roller change is required. The trolley is characterized by including a trolley body, on which two side plates corresponding to the roller shoulders of the lower straightening rollers of the straightening machine are symmetrically arranged on both sides. Roller grooves are provided on the side plates corresponding to the roller shoulders of each lower straightening roller of the straightening machine.

[0006] A tray is provided on the side plate corresponding to the shoulder of the upper straightening roller of the straightening machine;

[0007] The tray includes a hollow support cylinder mounted on the side plate and a Y-shaped bracket rotatably mounted on the hollow support cylinder; the hollow support cylinder does not interfere with the lifting and lowering of the lower straightening roller;

[0008] The Y-shaped bracket includes a rotating column rotatably mounted in a hollow support cylinder, a support platform integrally provided at the upper end of the rotating column that is adapted to the upper end face of the hollow support cylinder; and a U-shaped bracket adapted to the shoulder of the upper straightening roller provided on the support platform.

[0009] The U-shaped bracket is set on one side of the upper surface of the support platform, located between the center of the support platform and the edge of the support platform, forming an eccentric setting;

[0010] When the upper and lower straightening rollers rise from the roller changing car to the working position, the U-shaped bracket is located between the roller shoulders of two adjacent upper and lower straightening rollers, without interfering with each other.

[0011] Furthermore, the hollow support cylinder is fixed to the side plate by a bracket; the bracket includes a vertical plate set on the side plate; a reinforcing rib is provided perpendicular to the vertical plate on the outside of the vertical plate; the lower section of the reinforcing rib is set on the side plate.

[0012] Furthermore, a locking groove is provided on the rotating column of the Y-shaped bracket; a spring pin is provided on the hollow support cylinder corresponding to the locking groove.

[0013] Furthermore, reinforcing ribs are provided on the upper surface of the support platform corresponding to the U-shaped bracket.

[0014] Furthermore, wheels adapted to guide rails are installed on the lower part of the vehicle body; side guide wheels are installed on both sides of the vehicle body.

[0015] Furthermore, a wheel frame with a portal-shaped longitudinal section is provided at the lower part of the vehicle body, and a pin mounting hole is provided on the wheel frame; it also includes a pin, which includes at least mounting sections at both ends and an intermediate section between the two mounting sections; the mounting sections are coaxially arranged and installed in the pin mounting hole; the intermediate section is eccentrically arranged relative to the mounting sections, and the wheel is mounted on the intermediate section by a bearing; several adjusting screw holes are provided on the vehicle frame coaxially with the mounting holes; a flange is provided on the outside of the pin, and multiple through holes are provided on the flange corresponding to the adjusting screw holes, and an adjusting bolt passes through the through holes and is screwed into the adjusting screw hole.

[0016] Furthermore, two pin holes for connecting the lifting device are provided on each side of the vehicle body.

[0017] To achieve the above objectives, the present invention provides an integrated automatic roll changer process for a straightening machine, wherein the process is performed by the aforementioned integrated automatic roll changer for the straightening machine, and includes at least the step of installing the lower straightening roll:

[0018] Select the location for installing the lower straightening roller;

[0019] Rotate the two or four Y-shaped brackets around this position so that the U-shaped brackets on the Y-shaped brackets are parallel to the axis of the lower straightening roller, and the U-shaped brackets on the Y-shaped brackets are located away from the axis of the lower straightening roller so as not to interfere with the falling of the lower straightening roller;

[0020] A lower straightening roller is placed on the car body using a lifting device, so that the roller shoulder of the lower straightening roller falls into the roller groove on the side plates of the car body at that position.

[0021] Furthermore, it also includes the step of installing the straightening rollers:

[0022] Rotate all Y-shaped brackets so that the U-shaped supports on the Y-shaped brackets are perpendicular to the axis of the straightening rollers, and the U-shaped supports on the Y-shaped brackets are located on one side of the car body;

[0023] Use the lifting device to place the upper straightening roller onto the corresponding Y-shaped bracket.

[0024] Furthermore, it also includes the step of changing the rollers: driving the integrated automatic roller changing trolley carrying the new straightening rollers to the roller changing position;

[0025] Position the roller changing car;

[0026] The integrated automatic roller changer is lifted from the lowest position to the highest position by the lifting device, and the upper and lower straightening rollers are respectively connected to the bearing seats of the straightening machine body;

[0027] The integrated automatic roll changer is lowered to the working position by the lifting device, so that the integrated automatic roll changer 1 is separated from the straightening roll.

[0028] This invention utilizes a pallet to support the upper straightening roller; it has a simple structure and is easy to use; it adopts an integrated automatic roller changing cart, which can greatly reduce the operation steps and time of changing the straightening roller. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of a structure according to an embodiment of the present invention.

[0030] Figure 2 for Figure 1 A schematic diagram of the structure of the central section of the train.

[0031] Figure 3 for Figure 2 Front view.

[0032] Figure 4 These are the front and side sectional views of the tray.

[0033] Figure 5 This diagram illustrates two scenarios during roller installation: interference and non-interference.

[0034] Figure 6 This is a schematic diagram showing the loading of the lower straightening rollers 2 and 4, with trays 1 and 3 facing forward and trays 2 and 4 facing backward.

[0035] Figure 7 To rotate the tray so that 1 and 3 are reversed, and 2, 4, and 5 are forward,

[0036] Figure 8 A schematic diagram showing the loading of straightening rollers 1, 3, and 5.

[0037] Figure 9This diagram illustrates the process of transferring all five pallets to the roller receiving position.

[0038] Figure 10 This diagram shows the five upper straightening rollers mounted on the tray.

[0039] Figure 11 This is a diagram showing the relative position of the straightening roller to the tray during operation.

[0040] Figure 12 This is a schematic diagram of the straightening roller.

[0041] Figure 13 This is a magnified view of a portion of the vehicle's wheel section.

[0042] Figure 14 This is a schematic diagram of the pin structure. Detailed Implementation

[0043] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0044] In the description of this invention, 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 invention 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 invention.

[0045] 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 invention, unless otherwise stated, "a plurality of" means two or more.

[0046] In the description of this invention, 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 communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0047] Example 1

[0048] As shown in the figure, the present invention provides an integrated automatic roller changing trolley for a straightening machine. The roller changing trolley is used to deliver the straightening roller 2 to the straightening machine for straightening operations, and then removes the straightening roller from the straightening machine when the straightening operation is completed or when a roller change is required. It includes a trolley body 1, on which two side plates 1.1 are symmetrically arranged on both sides, corresponding to the roller shoulders of the lower straightening rollers of the straightening machine. Roller grooves 1.8 are provided on the side plates corresponding to the roller shoulders of each lower straightening roller of the straightening machine.

[0049] A tray 1.5 is provided on the side plate 1.1 corresponding to the roller shoulder of the upper straightening roller of the straightening machine;

[0050] The tray 1.5 includes a hollow support cylinder 1.5.5 disposed on the side plate and a Y-shaped bracket rotatably disposed on the hollow support cylinder; the hollow support cylinder does not interfere with the lifting and lowering of the lower straightening roller;

[0051] The Y-shaped bracket includes a rotating column 1.5.4 rotatably mounted on a hollow support cylinder, and a support platform 1.5.2 integrally mounted on the upper end of the rotating column, which is adapted to the upper end face of the hollow support cylinder; a U-shaped bracket 1.5.1 adapted to the shoulder of the upper straightening roller is mounted on the support platform; the U-shaped bracket 1.5.1 has an arc surface for supporting the upper straightening roller; the U-shaped bracket 1.5.1 also has two round holes for facilitating the rotation of the tray.

[0052] The U-shaped bracket 1.5.1 is set on one side of the upper surface of the support platform, located between the center of the support platform and the edge of the support platform, forming an eccentric setting;

[0053] When the upper and lower straightening rollers rise from the roller changing car to the working position, the U-shaped bracket is located between the shoulders of two adjacent upper and lower straightening rollers, without interfering with each other. Figure 11 As shown.

[0054] Example 2

[0055] Based on the above embodiments, the hollow support cylinder is fixed to the side plate by a bracket; the bracket includes a vertical plate set on the side plate; a reinforcing rib is set on the outside of the vertical plate perpendicular to the vertical plate; the lower section of the reinforcing rib is set on the side plate.

[0056] Example 3

[0057] Based on the above embodiment, a locking groove 1.5.4 is provided on the rotating column of the Y-shaped bracket; a spring pin 1.4 is provided on the hollow support cylinder corresponding to the locking groove. Below is a pin shaft, on which three locking grooves are provided at intervals on the circumference corresponding to the height of the spring pin 1.4, corresponding to three positions respectively. The tray 1.5 is positioned by installing the spring pins 1.4 to ensure that it remains stationary in the corresponding position.

[0058] Example 4

[0059] Based on the above embodiment, a reinforcing rib is provided on the upper surface of the support platform corresponding to the U-shaped bracket.

[0060] Example 5

[0061] In a preferred embodiment, the components include a side plate 1.1, a stop plate 1.2, an eccentric shaft 1.3, a spring pin 1.4, a tray 1.5, a guide wheel 1.6, and a flat wheel 1.7.

[0062] The top two sides of the side plate 1.1 are provided with 5 flat surfaces and pin holes for mounting trays 1.5, with a spacing of the straightener pitch t. Threaded holes for mounting spring pins 1.4 are provided on the sides.

[0063] Five lower roller grooves are set in the middle of the side plate 1.1, with a spacing of the straightener pitch t. The middle of the roller groove is an arc, and the two sides are straight sections.

[0064] The spacing between the mounting pin holes and roller grooves of adjacent pallets is t / 2.

[0065] The car body 1 has four pin holes on both sides, allowing the entire automatic roller changer to be raised and lowered during roller changes. The stop plate 1.2 is bolted to the lower left of the frame 1.1, and the position of the positioning surface can be corrected by adjusting shims or other means.

[0066] The integrated automatic roller changer 1 has a guide wheel 1.6 installed on one side to ensure it travels along the track, and a flat wheel 1.7 installed on the other side.

[0067] Side guide wheels (1.9m) are installed on both sides.

[0068] like Figure 12 As shown, the outer side of the straightening roller 2 is divided into three sections: shoulder sections on the left and right sides, and the roller body section in the middle, with corresponding holes and slots provided as needed. The two middle sides of the straightening roller 2 are both conical surfaces, used for positioning and torque transmission.

[0069] The five lower straightening rollers are positioned by the cooperation of the two side shoulders with the five lower roller grooves on the side plate 1.1, and the five upper straightening rollers are positioned by the cooperation of the two side shoulders with the tray 1.5.

[0070] The positioning hook 3 includes at least a pull hook 3.1, a cylinder (hydraulic cylinder) 3.2, and a support 3.3. The pull hook 3.1 is normally in a horizontal position. During roll changing, as the integrated automatic roll changing cart 1 moves, the cylinder (hydraulic cylinder) 3.2 extends, and the pull hook 3.1 rises to a vertical position. When the integrated automatic roll changing cart 1 reaches the roll changing position, it contacts the stop plate 1.2, precisely positioning itself. After the roll changing is completed, the cylinder (hydraulic cylinder) 3.2 retracts, the pull hook 3.1 returns to a horizontal position, and the integrated automatic roll changing cart 1 can then move out of the roll changing position.

[0071] Definition 1: Along the direction of movement, the trays are, in sequence, tray 1, tray 2, tray 3, tray 4, tray 5 and lower roller groove 1, lower roller groove 2, lower roller groove 3, lower roller groove 4, and lower roller groove 5.

[0072] Definition 2: The locking plate on tray 1.5 facing left is the positive direction, and the locking plate on tray 1.5 facing right is the negative direction.

[0073] To allow for greater wear tolerance, the outer diameter D of the straightening roll is generally slightly smaller than the pitch t of the straightener. Therefore, the distance l between adjacent rolls is very small during installation. When installing the lower straightening roll, the trays on both sides of the corresponding roll groove must be in the specified positions; otherwise, interference may prevent installation. Figures 6 to 10 As shown, the automatic roll changing car roll loading sequence is as follows:

[0074] First, turn pallets #1 and #3 forward and pallets #2 and #4 backward, and then load them into the lower straightening rollers #2 and #4.

[0075] Next, rotate pallets #1 and #3 to the reverse direction, and pallets #2, #4, and #5 to the forward direction, then insert the lower straightening rollers #1, #3, and #5.

[0076] Next, rotate all 5 pallets to the roller receiving position, and then install 5 upper straightening rollers on the 5 pallets.

[0077] The integrated automatic roll changing process: The integrated automatic roll changing cart 1, carrying the new straightening roll, moves towards the roll changing position and stops accurately at the changing position via the positioning hook 3. Under the action of the lifting device, the integrated automatic roll changing cart 1 is raised from the lowest position to the highest position, and the upper and lower straightening rolls are connected to the bearing seats of the straightening machine body respectively. Under the action of the lifting device, the integrated automatic roll changing cart 1 is then lowered to the working position, and the locking plate of the tray 1.5 maintains a certain distance from the shoulders of the upper and lower straightening rolls on both sides. At this time, the integrated automatic roll changing cart 1 and the straightening roll 2 are separated.

[0078] Example 6

[0079] For large welded parts, because their machining accuracy is difficult to guarantee, precise adjustments are required during installation, which also reduces machining requirements and manufacturing costs. To prevent the four wheels from not working on a single plane due to vehicle body deformation, this embodiment further improves upon the above embodiment:

[0080] A wheel frame with a portal-shaped longitudinal section is provided on the lower part of the vehicle body. The wheel frame is provided with pin mounting holes. Several threaded holes are evenly provided on the end face of the holes, and the number of holes is m.

[0081] The end of the eccentric shaft 1.3 has a square protrusion for adjusting its orientation; the end face is a flange with several evenly spaced circular holes, numbering n. The rear of the eccentric shaft has five sections, with the first and last ends concentric and mounted in circular holes on the frame 1. The three middle sections are eccentric, with an eccentricity of 'a', corresponding to the mounting points of bearings and wheels. Thus, by rotating the eccentric shaft 1.3, the wheel height can be adjusted by ±'a'.

[0082] To improve adjustment accuracy, the number of threaded holes m on frame 1.1 should be set to a multiple of prime numbers 5 and 7, generally 10 or 14, while the number of circular holes n on the flange face of the eccentric shaft 1.3 can be set to 4-8.

[0083] Example 7

[0084] The integrated automatic roll changer process of the straightener in this embodiment is completed using the aforementioned integrated automatic roll changer, and includes at least the step of installing the lower straightening roll:

[0085] Select the location for installing the lower straightening roller;

[0086] Rotate the two or four Y-shaped brackets around this position so that the U-shaped brackets on the Y-shaped brackets are parallel to the axis of the lower straightening roller, and the U-shaped brackets on the Y-shaped brackets are located away from the axis of the lower straightening roller so as not to interfere with the falling of the lower straightening roller;

[0087] A lower straightening roller is placed on the car body using a lifting device, so that the roller shoulder of the lower straightening roller falls into the roller groove on the side plates of the car body at that position.

[0088] Example 8

[0089] Based on the above embodiments, the method further includes the step of installing the straightening roller: rotating all Y-shaped brackets so that the U-shaped brackets on the Y-shaped brackets are perpendicular to the axis of the straightening roller, and the U-shaped brackets on the Y-shaped brackets are located on one side of the vehicle body;

[0090] Use the lifting device to place the upper straightening roller onto the corresponding Y-shaped bracket.

[0091] Example 9

[0092] Based on the above embodiments, a roller changing step is also included, such as... Figures 6 to 10 As shown:

[0093] The integrated automatic roll changer carrying the new straightening rolls is driven to the roll change position;

[0094] Position the roller changing car;

[0095] The integrated automatic roller changer is lifted from the lowest position to the highest position by the lifting device, and the upper and lower straightening rollers are respectively connected to the bearing seats of the straightening machine body;

[0096] The integrated automatic roll changer is lowered to the working position by the lifting device, so that the integrated automatic roll changer 1 is separated from the straightening roll.

[0097] 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.

[0098] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention 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 the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An integrated automatic roll changing trolley for a straightening machine, wherein the roll changing trolley is used to deliver straightening rolls to the straightening machine for straightening operations, and then removes the straightening rolls from the straightening machine when the straightening operations are completed or when a roll change is required; characterized in that, The vehicle body includes two side plates symmetrically arranged on both sides of the vehicle body, corresponding to the roller shoulders of the lower straightening rollers of the straightening machine. Roller grooves are provided on the side plates corresponding to the roller shoulders of each lower straightening roller of the straightening machine. A tray is provided on the side plate corresponding to the shoulder of the upper straightening roller of the straightening machine; The tray includes a hollow support cylinder mounted on the side plate and a Y-shaped bracket rotatably mounted on the hollow support cylinder; the hollow support cylinder does not interfere with the lifting and lowering of the lower straightening roller; The Y-shaped bracket includes a rotating column rotatably mounted in a hollow support cylinder, a support platform integrally provided at the upper end of the rotating column that is adapted to the upper end face of the hollow support cylinder; and a U-shaped bracket adapted to the shoulder of the upper straightening roller provided on the support platform. The U-shaped bracket is set on one side of the upper surface of the support platform, located between the center of the support platform and the edge of the support platform, forming an eccentric setting; When the upper and lower straightening rollers rise from the roller changing car to the working position, the U-shaped bracket is located between the roller shoulders of two adjacent upper and lower straightening rollers, without interfering with each other; Two pin holes for connecting the lifting device are provided on each side of the vehicle body.

2. The integrated automatic roller changer for the straightening machine as described in claim 1, characterized in that, The hollow support cylinder is fixed to the side plate by a bracket; the bracket includes a vertical plate set on the side plate; a reinforcing rib is set on the outside of the vertical plate perpendicular to the vertical plate; the lower section of the reinforcing rib is set on the side plate.

3. The integrated automatic roller changer for the straightening machine as described in claim 1, characterized in that, A locking groove is provided on the rotating column of the Y-shaped bracket; a spring pin is provided on the hollow support cylinder corresponding to the locking groove.

4. The integrated automatic roller changer for the straightening machine as described in claim 1, characterized in that, A reinforcing rib is provided on the upper surface of the support platform corresponding to the U-shaped bracket.

5. The integrated automatic roller changer for the straightening machine as described in claim 1, characterized in that, The vehicle body is equipped with wheels that are compatible with guide rails at the lower part; side guide wheels are installed on both sides of the vehicle body.

6. The integrated automatic roller changer for the straightening machine as described in claim 1, characterized in that, A wheel frame with a portal-shaped longitudinal section is provided on the lower part of the vehicle body, and a pin mounting hole is provided on the wheel frame; it also includes a pin, which includes at least mounting sections at both ends and an intermediate section between the two mounting sections; the mounting sections are coaxially arranged and are installed in the pin mounting hole; the intermediate section is eccentrically arranged relative to the mounting sections, and the wheel is mounted on the intermediate section by a bearing; several adjusting screw holes are provided on the wheel frame coaxially with the mounting holes; a flange is provided on the outside of the pin, and multiple through holes are provided on the flange corresponding to the adjusting screw holes, and an adjusting bolt passes through the through holes and is screwed into the adjusting screw hole.

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