A mold flipping machine

Abstract

This utility model relates to the field of auxiliary equipment technology, and in particular to a mold flipping machine, comprising a base, a flipping frame rotatably connected to the base, and a flipping drive device installed on the base for driving the flipping frame to rotate back and forth 90 degrees. The base has a first side, a second side adjacent to and perpendicular to the first side, a limiting post disposed on the first side and parallel to the second side, and a support block disposed on the second side. The limiting post is used to extend into a through hole, and the support block has a support groove for supporting the arc surface. Implementing the mold flipping machine of this utility model can flip the mold from a vertically placed position to a horizontally placed position. During the flipping process, the limiting post provides a limiting position, and after the mold is changed to a horizontally placed position, it can prevent the mold from rolling relative to the horizontally placed second side, preventing damage to the mold itself or other related items due to rolling, thus improving the safety of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary equipment technology, and in particular to a mold flipping machine. Background Technology

[0002] In the steel pipe processing and forming process, the installation of molds is a key step, and its main function is to achieve the forming of steel pipes.

[0003] For large-diameter steel pipe forming machines, the forming molds are extremely large, with a single mold weighing several tons. During the storage, milling and finishing, and assembly processes of the molds, hoisting and flipping operations are often required. Under current technological conditions, a flipping machine is a commonly used device to accomplish these operations. Its general structure includes a base, a flipping frame rotatably connected to the base, and a flipping drive device mounted on the base to drive the flipping frame to rotate 90 degrees back and forth. Two mutually perpendicular working surfaces are set on the base to achieve the 90-degree flipping of the mold.

[0004] However, because the mold adopts a rotating design—that is, the mold itself has through holes for mounting with the forming rollers and curved sides for forming—it is stored vertically, with the lower end of the through holes in contact with the horizontal surface to ensure stability. When the mold needs to be installed, the module needs to be rotated 90 degrees to place the mold horizontally. When the mold is flipped from a vertical position to a horizontal position, the curved surface of the mold comes into contact with the horizontal working surface, which can easily cause relative rolling, leading to damage to the mold itself or other related items, thus compromising equipment safety. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a mold flipping machine that can improve the safety of the equipment.

[0006] To solve the above-mentioned technical problems, the present invention provides a mold flipping machine, including a base, a flipping frame rotatably connected to the base, and a flipping drive device installed on the base for driving the flipping frame to rotate back and forth 90 degrees. The base is provided with a first side, a second side adjacent to and perpendicular to the first side, a limiting post provided on the first side and parallel to the second side, and a support block provided on the second side. The limiting post is used to extend into the through hole, and the support block is provided with a support groove for supporting the arc surface.

[0007] Furthermore, the limiting post is centered on the supporting block.

[0008] Furthermore, the limiting post and the flipping frame are slidably connected in a direction perpendicular to the second side, and the flipping frame is equipped with a translation device for changing the distance between the limiting post and the second side.

[0009] Furthermore, the translation device includes a hydraulic rod mounted on the tilting frame and a slide block mounted at the output end of the hydraulic rod and slidably connected to the tilting frame, with the limiting post mounted on the slide block.

[0010] Furthermore, the limiting post includes a connecting part that is threadedly connected to the slide block, a cylindrical limiting part for extending into the through hole, and a square driving part fixed between the connecting part and the cylindrical limiting part, wherein the connecting part, the cylindrical limiting part, and the square driving part are coaxially arranged.

[0011] Furthermore, the limiting post also includes a guide hemisphere disposed on the side of the cylindrical limiting part away from the square driving part.

[0012] Furthermore, the flipping frame has a relief groove in the middle of the first side, the width of which is smaller than the outer diameter of the mold and the bottom surface of the groove is perpendicular to the second side, and the limiting post is set in the relief groove.

[0013] Furthermore, the first side is provided with guide crossbars on both sides of the relief groove near the second side, which are parallel to the second side. The support block is provided with two guide grooves for the two guide crossbars to extend into and slide in.

[0014] Furthermore, the outer side of the flipping frame is an arc surface, and the base is rotatably connected with two spaced support rollers for supporting the arc surface. The flipping drive device includes an arc-shaped rack fixed on the arc surface, a drive gear meshing with the arc-shaped rack, and a servo motor mounted on the base to drive the drive gear to rotate.

[0015] Furthermore, the flipping frame is provided with two limiting holes, and the base is slidably connected with a limiting rod. The base is equipped with a driving cylinder for driving the limiting rod to extend into or leave the limiting hole. When the first side is parallel or perpendicular to the horizontal plane, the limiting rod is directly opposite a limiting hole.

[0016] Implementing this utility model has the following beneficial effects:

[0017] The mold flipping machine of this utility model, through the cooperation of a base, a flipping frame, a flipping drive device, a first side, a second side, a limiting post, and a support block, can flip a mold from a vertically placed position to a horizontally placed position. During the flipping process, the limiting post provides a limit. After the mold is changed to a horizontally placed position, the second side of the mold, which is relatively horizontal, can be placed to roll, preventing damage to the mold itself or other related items due to rolling, thereby improving the safety of the equipment. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the mold flipping machine in an embodiment of the present utility model;

[0019] Figure 2 This is a schematic diagram illustrating the working principle of the translation device in this embodiment of the present invention.

[0020] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0021] Figure 4 This is a schematic diagram illustrating the working principle of the limiting post in this embodiment of the present invention.

[0022] Figure 5 This is a schematic diagram of the support block supporting the mold in an embodiment of this utility model;

[0023] Figure 6 This is a schematic diagram of the support block in an embodiment of the present utility model;

[0024] Figure 7 This is a schematic diagram illustrating the working principle of the support block being installed on the tilting frame in an embodiment of this utility model.

[0025] Figure 8 This is a schematic diagram of the structure of the flipping drive device in an embodiment of the present utility model;

[0026] Figure 9 This is a schematic diagram illustrating the working principle of the limiting rod in an embodiment of this utility model.

[0027] In the picture:

[0028] 110. Through hole; 120. Arc surface;

[0029] 200. Base; 210. Support roller; 220. Limiting rod; 230. Drive cylinder;

[0030] 300. Tilting frame; 310. First side panel; 311. Guide crossbar; 320. Second side panel; 330. Limiting post; 331. Connecting part; 332. Cylindrical limiting part; 333. Square driving part; 334. Guide hemisphere; 340. Support block; 341. Support groove; 342. Guide groove; 350. Clearance groove; 360. Limiting hole;

[0031] 400. Tilting drive device; 410. Arc-shaped rack; 420. Drive gear; 430. Servo motor;

[0032] 500. Translation device; 510. Hydraulic rod; 520. Slide. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings.

[0034] It should be noted that the mold flipping machine of this invention is mainly used for molds that are relatively large in size and heavy in weight. The mold has a through hole 110 in the middle and an arc surface 120 on the outside. In fact, the mold is installed with the forming roller through the through hole 110 and the required steel pipe outline is formed by processing the steel strip through the arc surface 120.

[0035] like Figures 1 to 9 As shown in the figure, a mold flipping machine according to an embodiment of the present invention includes a base 200, a flipping frame 300 rotatably connected to the base 200, and a flipping drive device 400 installed on the base 200 for driving the flipping frame 300 to rotate back and forth by 90 degrees. In fact, the flipping drive device 400 can be a hydraulic cylinder 510 in conjunction with a connecting rod or an electric motor to drive the flipping frame 300 to rotate back and forth by 90 degrees relative to the base 200, thus providing the conditions for flipping the mold more than 90 degrees.

[0036] The base 200 has a first side surface 310, a second side surface 320 adjacent to and perpendicular to the first side surface 310, a limiting post 330 disposed on the first side surface 310 and parallel to the second side surface 320, and a support block 340 disposed on the second side surface 320. The limiting post 330 is used to extend into the through hole 110, and the support block 340 is provided with a support groove 341 for supporting the arc surface 120. In fact, the limiting post 330 is used to extend into the through hole 110 of the mold to limit the position of the mold when it is placed vertically, ensuring the stability and accuracy of the mold in the vertical direction. The support groove 341 can be an arc groove or a V-shaped groove that matches the arc surface 120 of the mold. When the mold is flipped from vertical to horizontal, the support groove 341 can support the arc surface 120 of the mold, preventing it from contacting the horizontal plane and rolling, thereby stabilizing the mold. Preferably, the support groove 341 may also be provided with a clearance groove 350 for the installation of external hoisting tools, so that the hoisting tools can contact and hang on the arc surface 120 of the module to ensure that the mold is lifted.

[0037] When it is necessary to flip the mold from vertical to horizontal: the mold is placed vertically on the first side 310 of the base 200, and the limiting post 330 extends into the through hole 110 of the mold to restrict the mold's vertical position. Then, the flipping drive device 400 is activated, and the flipping frame 300 begins to rotate, causing the mold to flip together; until the mold flips more than 90 degrees, at this time the supporting groove 341 on the supporting block 340 contacts the arc surface 120 of the mold and provides support. At this time, the cooperation between the supporting groove 341 and the arc surface 120 of the mold prevents the mold from rolling. It should be noted that the inner diameter of the through hole 110 can be larger than the limiting outer diameter of the limiting post 330, making it easier for the limiting post 330 to extend into the through hole 110 and providing a certain operating space when the mold is placed horizontally, allowing the module to first move and separate from the limiting post 330 and the supporting block 340.

[0038] The mold flipping machine of this utility model, through the cooperation of a base 200, a flipping frame 300, a flipping drive device 400, a first side 310, a second side 320, a limiting post 330, and a support block 340, can flip the mold from a vertical position to a horizontal position. During the flipping process, the limiting post 330 provides a limit. After the mold is changed to a horizontal position, the second side 320 of the mold, which is set relatively horizontally, can be placed to roll, preventing damage to the mold itself or other related items due to rolling, thereby improving the safety of the equipment.

[0039] Specifically, the limiting post 330 is preferably centered with the supporting block 340. That is, when the second side 320 is parallel to the horizontal plane, the axis of the limiting post 330 is first located directly above the axis of the supporting groove 341, so that the mold falls into the supporting groove 341 with less shaking and the mold falls into the supporting groove 341 more stably.

[0040] It should be noted that the limiting post 330 is preferably slidably connected to the flipping frame 300 in a direction perpendicular to the second side surface 320. The flipping frame 300 is equipped with a translation device 500 for changing the distance between the limiting post 330 and the second side surface 320. In practice, the translation device 500 can be a hydraulic cylinder 510 or a drive motor working in conjunction with a lead screw and slider pair, etc., capable of driving the limiting post 330 to translate along the first side surface 310 to change the distance between the limiting post 330 and the second side surface 320. By adjusting the distance between the limiting post 330 and the second side surface 320, the flipping machine can be adapted to molds with different outer diameters. In actual operation, when the first side 310 is in a vertical position, the translation device 500 first increases the distance between the limiting post 330 and the supporting block 340 to prevent the mold from falling onto the first side 310 and the supporting block 340 when it is placed on the first side 310. Then, the translation device 500 drives the limiting post 330 to move towards the supporting block 340 until the limiting post 330 approaches the supporting block 340 and contacts the supporting groove 341. Therefore, in the subsequent flipping process, it can be ensured that the arc surface 120 of the mold fits with the supporting groove 341, so that the flipping process of the mold is more stable.

[0041] Specifically, the translation device 500 preferably includes a hydraulic rod 510 mounted on the tilting frame 300 and a slide block 520 mounted at the output end of the hydraulic rod 510 and slidably connected to the tilting frame 300, with the limiting post 330 mounted on the slide block 520. By using the hydraulic rod 510, a corresponding pushing force can be provided according to actual needs, thereby pushing the slide block 520 to move the limiting post 330 along a direction perpendicular to the second side 320.

[0042] In this embodiment, the limiting post 330 preferably includes a connecting part 331 threadedly connected to the slide 520, a cylindrical limiting part 332 for extending into the through hole 110, and a square driving part 333 fixed between the connecting part 331 and the cylindrical limiting part 332. The connecting part 331, the cylindrical limiting part 332, and the square driving part 333 are coaxially arranged. When it is necessary to replace the limiting post 330 with one of different outer diameters to fit molds of different sizes, the limiting post 330 is rotated by using an external tool (such as a wrench) in conjunction with the square driving part 333 to loosen the threaded connection between the connecting part 331 and the slide 520, thereby removing the entire limiting post 330 from the slide 520. Then, replace the limiting post 330 with one suitable for the required mold outer diameter, and rotate the limiting post 330 again using the square drive unit 333 to re-establish the threaded connection between the connecting part 331 and the slide block 520 until the limiting post 330 is firmly fixed. This allows for quick replacement of limiting posts 330 with different outer diameters to accommodate various mold specifications, thus improving the applicability of the flipping machine. Furthermore, the limiting post 330 preferably includes a guide hemisphere 334 disposed on the side of the cylindrical limiting part 332 facing away from the square drive unit 333. During mold installation, the guide hemisphere 334 makes it easier for the cylindrical limiting part 332 of the limiting post 330 to extend into the through hole 110, reducing alignment difficulty.

[0043] It should be noted that the flipping frame 300 preferably has a relief groove 350 in the middle of the first side 310, with a width smaller than the outer diameter of the mold and the bottom surface of the groove perpendicular to the second side 320. The limiting post 330 is disposed within the relief groove 350. On the one hand, the relief groove 350 provides spatial convenience for the first side 310 to support the mold, enabling the first side 310 to stably support the mold. On the other hand, the relief groove 350 provides operating space for adjusting the position of the limiting post 330, facilitating the movement and fixation of the limiting post 330 within the relief groove 350. In addition, the translation device 500 can also be disposed within the relief groove 350, which not only provides reasonable installation space for the translation device 500 but also avoids interference between the translation device 500 and the first side 310.

[0044] Specifically, the first side 310, near the second side 320, has guide crossbars 311 preferably parallel to the second side 320 on both sides outside the clearance groove 350. The support block 340 has two guide grooves 342 for the two guide crossbars 311 to extend into and slide together. Through the cooperation of the guide crossbars 311 and the guide grooves 342, the support block 340 and the tilting frame 300 are slidably connected. When the support groove 341 supports the mold, the position of the support block 340 can be adjusted to provide more space for lifting the mold. In addition, the support block 340 is detachable, making it easy to replace the support block 340 with different support groove 341 sizes to adapt to molds of different specifications.

[0045] Specifically, the outer side of the flipping frame 300 is preferably an arc surface 120. The base 200 is rotatably connected to two spaced-apart support rollers 210 for supporting the arc surface 120. The flipping drive device 400 includes an arc-shaped rack 410 fixed on the arc surface 120, a drive gear 420 meshing with the arc-shaped rack 410, and a servo motor 430 mounted on the base 200 to drive the drive gear 420 to rotate. In practice, the servo motor 430 drives the gear 420 to rotate, thereby driving the meshing arc-shaped rack 410 to move, ultimately achieving the flipping action of the flipping frame 300. It should be noted that the first side 310 and the second side 320 are perpendicular to each other and both are located inside the outer side of the flipping frame 300. This arrangement allows the flipping frame 300 to achieve flipping and repositioning through the rotatable connection of the base 200.

[0046] More specifically, the flipping frame 300 preferably has two limiting holes 360, and the base 200 is slidably connected to a limiting rod 220. The base 200 is equipped with a driving cylinder 230 for driving the limiting rod 220 to extend into or leave the limiting hole 360. When the first side 310 is parallel or perpendicular to the horizontal plane, the limiting rod 220 is aligned with one limiting hole 360. That is, when the first side 310 is parallel to the horizontal plane, the limiting rod 220 is aligned with one limiting hole 360; when the first side 310 is perpendicular to the horizontal plane, the limiting rod 220 is aligned with the other limiting hole 360, thereby locking the first side 310 in a horizontal or vertical state. When the first side 310 is in a critical position parallel or perpendicular to the horizontal plane, the limiting rod 220 will be precisely aligned with the corresponding limiting hole 360 ​​under the action of the driving cylinder 230. For example, when the first side 310 is parallel to the horizontal plane, the driving cylinder 230 pushes the limiting rod 220 so that it extends into a limiting hole 360 ​​on the flipping frame 300; similarly, when the first side 310 is perpendicular to the horizontal plane, the limiting rod 220 extends into another limiting hole 360 ​​under the drive of the driving cylinder 230, thereby locking the position of the flipping frame 300 and ensuring the stability of the flipping frame 300.

[0047] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A mold turning machine, wherein a mold is provided with a through hole in the middle, and the outer side of the mold is a circular arc surface, characterized in that: The device includes a base, a flipping frame rotatably connected to the base, and a flipping drive device installed on the base for driving the flipping frame to rotate back and forth 90 degrees. The base has a first side, a second side adjacent to and perpendicular to the first side, a limiting post disposed on the first side and parallel to the second side, and a support block disposed on the second side. The limiting post is used to extend into a through hole, and the support block has a support groove for supporting the arc surface.

2. The mold flipping machine as described in claim 1, characterized in that: The limiting post is aligned with the supporting block.

3. The mold flipping machine as described in claim 2, characterized in that: The limiting post and the flipping frame are slidably connected in a direction perpendicular to the second side, and the flipping frame is equipped with a translation device for changing the distance between the limiting post and the second side.

4. A mold flipping machine as described in claim 3, characterized in that: The translation device includes a hydraulic rod mounted on a tilting frame and a slide block mounted at the output end of the hydraulic rod and slidably connected to the tilting frame, with the limiting post mounted on the slide block.

5. A mold flipping machine as described in claim 4, characterized in that: The limiting post includes a connecting part that is threadedly connected to the slide block, a cylindrical limiting part for extending into the through hole, and a square driving part fixed between the connecting part and the cylindrical limiting part. The connecting part, the cylindrical limiting part, and the square driving part are coaxially arranged.

6. A mould flipping machine as claimed in claim 5, characterised in that: The limiting post also includes a guide hemisphere disposed on the side of the cylindrical limiting part away from the square driving part.

7. A mold flipping machine as claimed in claim 2, characterized in that: The flipping frame has a relief groove in the middle of the first side, which is narrower than the outer diameter of the mold and whose bottom surface is perpendicular to the second side. The limiting post is set in the relief groove.

8. A mould flipping machine as claimed in claim 7, characterised in that: The first side is provided with guide crossbars on both sides of the relief groove near the second side, which are parallel to the second side. The support block is provided with two guide grooves for the two guide crossbars to extend into and slide in.

9. A mold flipping machine as described in claim 1, characterized in that: The outer side of the flipping frame is an arc surface. The base is rotatably connected with two spaced support rollers for supporting the arc surface. The flipping drive device includes an arc-shaped rack fixed on the arc surface, a drive gear meshing with the arc-shaped rack, and a servo motor mounted on the base to drive the drive gear to rotate.

10. A mould flipping machine as claimed in claim 9, characterized in that: The flipping frame is provided with two limiting holes, and the base is slidably connected with a limiting rod. The base is equipped with a driving cylinder for driving the limiting rod to extend into or leave the limiting hole. When the first side is parallel or perpendicular to the horizontal plane, the limiting rod is directly opposite a limiting hole.

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