Adjustable quick-change bending die
By using adjustable quick-change bending dies, the problems of frequent die changes and inconsistent shapes during the bending process of U-shaped control arms are solved, achieving efficient and controllable bending operations and product consistency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-24
- Publication Date
- 2026-03-10
AI Technical Summary
In the existing technology, the bending blanking process of the U-shaped control arm has problems such as a single movement mode of the equipment, frequent mold changes, and the need to adjust the ejection mechanism, resulting in inconsistent bending shapes.
It adopts an adjustable quick-change bending die, and connects the bending die and the ejector block through a bolt assembly. Combined with a clamping mechanism and a dual-axis servo motor driving the moving wheels, it can achieve a bending operation with good controllability and adapt to parts of different sizes.
It improves the controllability of bending operations and product consistency, simplifies mold replacement and ejection mechanism adjustment, and adapts to bending requirements of different sizes.
Smart Images
Figure CN121624263A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of bending, in particular to an adjustable quick-change bending die. BACKGROUND
[0002] The blanking of the U-shaped control arm is a key step in precision forging, and the core purpose is to provide a reasonable shape and material distribution blank for the subsequent pre-forging and final forging process by accurately bending the roll-forged blank. The process is developing towards high progress, high efficiency and high performance. At present, punch or hydraulic press is mainly used for production, and the movement mode of the equipment is relatively single, mainly using two upper and lower dies to realize it. The blank before bending needs to be roll-forged, and the shape has certain fluctuation and positioning error of material discharge. Under the condition of fixed stress point, the shape after bending has certain difference, which is not conducive to the final forming of the product. Therefore, a servo motor is used to drive the bending, and the ejection mechanism needs to be adjusted according to the die after bending. Therefore, it is very important to solve the above problems. SUMMARY
[0003] Therefore, the present application aims to provide an adjustable quick-change bending die to solve the problems in the background art.
[0004] In order to achieve the above purpose, the present application provides an adjustable quick-change bending die, which comprises a workbench, a bending die is arranged on the top of the workbench through a bolt assembly, one side of the bending die is a bending part with a matching bending shape, a ejection block is arranged on the top of the workbench around the bending part, there is a gap between the ejection block and the bending die, adjustment blocks are arranged on the top of the ejection block, the adjustment blocks are detachably connected with the ejection block, and the adjustment blocks adjust the gap between the ejection block and the bending die; a pressing mechanism is arranged on the top of the two sides of the ejection block to press the part on the bending die.
[0005] Preferably, the pressing mechanism comprises left and right pressing blocks arranged on the top of the two sides of the ejection block.
[0006] Preferably, a left pressing cylinder is connected to the left side of the left pressing block, a right pressing cylinder is connected to the right side of the right pressing block, a top plate is arranged on the top of the left and right pressing cylinders, and the left and right pressing cylinders are fixed to the bottom of the top plate.
[0007] Preferably, a plurality of threaded holes are arranged on the top of the ejection block, and the adjustment blocks are fixed in several threaded holes through nut and bolt assemblies to realize adjustable installation and disassembly.
[0008] Preferably, a bending mechanism is arranged on the bottom of the top plate to bend the part.
[0009] Preferably, the bending mechanism comprises a double-shaft servo motor for bending and a track arranged on the surface of the top plate, the top output shaft of the double-shaft servo motor is fixedly provided with a moving wheel, the moving wheel moves in the track, the bottom output shaft of the double-shaft servo motor is fixedly provided with a bending roller, the bending roller is located above and outside the ejection block, the double-shaft servo motor drives the moving wheel to move in the track, and the bending roller bends the part on the ejection block.
[0010] Preferably, the inner side of the track is detachably provided with an adjusting plate for adjusting the size of the track, the adjusting plate is in conformity with the shape of the track, and the middle of the moving wheel is provided with a groove, the groove is sleeved on the outer side of the track and the adjusting plate.
[0011] Preferably, the side of the adjusting plate is provided with a threaded rod, the track is provided with a threaded hole matched with the threaded rod, and the threaded rod is fixed through the threaded hole by a nut.
[0012] Preferably, the inner side of the groove is provided with a spring, and the outer sides of all the springs are commonly provided with an elastic annular plate, which abuts against the outer side of the track and the side of the adjusting plate.
[0013] Preferably, the bending roller is provided with a recessed arc-shaped groove to contact and bend the part.
[0014] The beneficial effects of the present application are as follows: the part is placed on one end of the ejection block, the pressing mechanism presses the part, then the bending operation is performed, after bending, the ejection block is used to lift the bent part for convenient taking, the gap between the ejection block and the bending die is adjusted by the adjusting block, so that the shape of the adjusting block is adjusted according to the shape of the bending die to adapt to bending parts of different sizes. The left pressing cylinder drives the left pressing block to press one end of the part, then the bending operation is performed, and after bending, the right pressing cylinder drives the right pressing block to press the other end of the bent part to ensure the shape after bending. The ejection block is selectively installed with the adjusting block by arranging a plurality of threaded holes, so that the adjusting block can be detachably and adjustably installed. The bending is performed by the bending mechanism, the moving wheel is driven by the double-shaft servo motor to move in the track of the top plate, so as to drive the bending roller to bend the part, the bending operation is controllable, and the product consistency is good. The size of the track is adjusted by arranging the adjusting plate, the adjusting plate is detachably and adjustably installed with the track by the threaded rod, so as to adapt to parts of different sizes, and the moving wheel is provided with the groove to arrange the spring, the elastic annular plate is arranged on the outer side of the track and the side of the adjusting plate by the spring, so that the moving wheel adapts to the size of the track. The bending roller is provided with the arc-shaped groove matched with the part to better bend. BRIEF DESCRIPTION OF DRAWINGS
[0015] In order to make the technical solutions in the present application or prior art clearer, the drawings needed in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only a part of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort based on these drawings.
[0016] Figure 1 is a schematic view of the workbench before the part is bent; Figure 2 is a schematic view of the workbench after the part is bent; Figure 3 is a front view of the top plate; Figure 4 is a top view of the top plate; Figure 5 is a front view of the double-shaft servo motor.
[0017] The marks in the figure are: 1-workbench, 2-bending die, 3-ejector block, 4-threaded rod, 5-spring, 6-telescopic annular plate, 7-adjusting block, 8-left pressing block, 9-right pressing block, 10-left pressing cylinder, 11-right pressing cylinder, 12-top plate, 13-double-shaft servo motor, 14-rail, 15-moving wheel, 16-bending roller, 17-adjusting plate, 18-groove. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be further described in detail below in combination with specific embodiments.
[0019] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present application should be understood as the usual meanings understood by those skilled in the art to which the present application belongs. The words "first", "second" and similar words used in the present application do not represent any order, number or importance, but are only used to distinguish different components. The words "include" or "contain" and similar words mean that the elements or objects before the words cover the elements or objects listed after the words and their equivalents, without excluding other elements or objects. The words "connect" or "connected" and similar words are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The words "up", "down", "left", "right" and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.
[0020] As Figures 1 to 5As shown, an adjustable quick-change bending die includes a workbench 1, a bending die 2 is arranged on the top of the workbench 1 through a bolt assembly, one side of the bending die 2 is a bending part with a matching bending shape, an ejection block 3 is arranged on the top of the workbench 1 around the bending part, there is a gap between the ejection block 3 and the bending die 2, the ejection block 3 is arranged with an adjusting block 7 on the top, the adjusting block 7 is detachably connected with the ejection block 3, the adjusting block 7 adjusts the gap between the ejection block 3 and the bending die 2, the ejection block 3 is connected with an ejection cylinder below to eject the bending part; the two sides of the ejection block 3 are arranged with a pressing mechanism to press the part on the bending die 2. The part is placed on the ejection block 3 at one end, the pressing mechanism presses the part, then the bending operation is performed, after bending, the ejection block 3 ejects the bending part to facilitate taking, the ejection block 3 adjusts the gap between the ejection block 3 and the bending die 2 through the adjusting block 7, so that the shape of the bending die 2 is adjusted to adapt to bending parts of different sizes.
[0021] The pressing mechanism includes a left pressing block 8 and a right pressing block 9 arranged on the top of the two sides of the ejection block 3. The left pressing block 8 is connected with a left pressing cylinder 10 on the left side, the right pressing block 9 is connected with a right pressing cylinder 11 on the right side, the top of the left pressing cylinder 10 and the right pressing cylinder 11 is commonly provided with a top plate 12, and the left pressing cylinder 10 and the right pressing cylinder 11 are fixed on the bottom of the top plate 12. The top of the ejection block 3 is arranged with a plurality of threaded holes, the adjusting block 7 is fixed in several threaded holes through a nut bolt assembly to realize adjustable installation and disassembly. The pressing mechanism drives the left pressing block 8 to press one end of the part through the left pressing cylinder 10, then the bending operation is performed, after bending, the right pressing block 9 is pressed on the other end of the part after bending through the right pressing cylinder 11 to ensure the shape after bending. The ejection block 3 is selectively arranged with the adjusting block 7 through a plurality of threaded holes, so that the adjusting block 7 is detachably and adjustably installed.
[0022] The top plate 12 bottom is provided with a bending mechanism for bending parts. The bending mechanism comprises a double-shaft servo motor 13 for bending and a track 14 arranged on the surface of the top plate 12. The top output shaft of the double-shaft servo motor 13 is fixedly provided with a moving wheel 15 which moves in the track 14. The bottom output shaft of the double-shaft servo motor 13 is fixedly provided with a bending roller 16 which is located above and outside the ejection block 3. The double-shaft servo motor 13 drives the moving wheel 15 to move in the track 14, and the bending roller 16 bends the parts on the ejection block 3. The bending roller 16 is provided with a recessed arc-shaped groove around it to contact and bend the parts. The inside of the track 14 is detachably provided with an adjusting plate 17 which adjusts the size of the track. The adjusting plate 17 is shaped to fit the track 14. The middle of the moving wheel 15 is provided with a groove 18 which is sleeved on the outside of the track 14 and the adjusting plate 17. One side of the adjusting plate 17 is provided with a threaded rod 4. The track 14 is provided with threaded holes which match the threaded rod 4. The threaded rod 4 passes through the threaded holes and is fixed by nuts. The inside of the groove 18 is provided with springs 5. The outside of all the springs 5 is jointly provided with a telescopic annular plate 6 which abuts against the outside of the track 14 and the side of the adjusting plate 17. The bending is performed by the bending mechanism. The double-shaft servo motor 13 drives the moving wheel 15 to move in the track 14 of the top plate 12, thereby driving the bending roller 16 to bend the parts. Such bending operation has good controllability and good product consistency. The size of the track 14 is adjusted by the adjusting plate 17. The adjusting plate 17 is detachably and adjustably installed with the track 14 by the threaded rod 4, so as to adapt to parts of different sizes. The moving wheel 15 is provided with the groove 18 to set the springs 5. The telescopic annular plate 6 is set by the springs 5 to abut against the outside of the track 14 and the side of the adjusting plate 17, so that the moving wheel 15 adapts to the size of the track 14. The bending roller 16 is provided with the arc-shaped groove which matches the parts to better bend them.
[0023] Those skilled in the art should understand that the above discussion of any embodiment is only exemplary and is not intended to limit the scope of the present application to these examples; under the idea of the present application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above. In order to be brief, they are not provided in details. Any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An adjustable quick-change bending die comprising a worktable (1), characterized in that, The workbench (1) top middle is provided with a bending die (2) through a bolt assembly, one side of the bending die (2) is a bending part with a kiss bending shape, the workbench (1) top is provided with an ejection block (3) around the bending part, there is a gap between the ejection block (3) and the bending die (2), the ejection block (3) top is provided with an adjusting block (7), the adjusting block (7) is detachably connected with the ejection block (3), the adjusting block (7) adjusts the gap between the ejection block (3) and the bending die (2); the ejection block (3) two sides top is provided with a pressing mechanism to press the part on the bending die (2).
2. The adjustable quick-change bending die of claim 1, wherein, The pressing mechanism comprises left and right pressing blocks (8) and (9) provided on the top of the ejection block (3).
3. The adjustable quick-change bending die of claim 1, wherein, The left pressing block (8) is connected with a left pressing oil cylinder (10) on the left side, and the right pressing block (9) is connected with a right pressing oil cylinder (11) on the right side; the top of the left and right pressing oil cylinders (10) and (11) is provided with a top plate (12), and the left and right pressing oil cylinders (10) and (11) are fixed on the bottom of the top plate (12).
4. The adjustable quick-change bending die of claim 1, wherein, The ejection block (3) top is provided with a plurality of threaded holes, and the adjusting block (7) is fixed in several threaded holes through a nut bolt assembly, so as to realize adjustable installation and disassembly.
5. The adjustable quick-change bending die of claim 3, wherein, The bottom of the top plate (12) is provided with a bending mechanism to bend the part.
6. The adjustable quick-change bending die of claim 5, wherein, The bending mechanism comprises a double-shaft servo motor (13) for bending and a track (14) provided on the surface of the top plate (12); the top output shaft of the double-shaft servo motor (13) is fixedly provided with a moving wheel (15), the moving wheel (15) moves in the track (14); the bottom output shaft of the double-shaft servo motor (13) is fixedly provided with a bending roller (16), the bending roller (16) is located above and outside the ejection block (3); the double-shaft servo motor (13) drives the moving wheel (15) to move in the track (14), and the bending roller (16) bends the part on the ejection block (3).
7. The adjustable quick-change bending die of claim 6, wherein, The inside of the track (14) is detachably provided with an adjusting plate (17) for adjusting the size of the track; the adjusting plate (17) is shaped to match the track (14); the middle of the moving wheel (15) is provided with a groove (18), and the groove (18) is sleeved on the outside of the track (14) and the adjusting plate (17).
8. The adjustable quick-change bending die of claim 7, wherein, One side of the adjusting plate (17) is provided with a threaded rod (4), and the track (14) is provided with a threaded hole matched with the threaded rod (4); the threaded rod (4) passes through the threaded hole and is fixed by a nut.
9. The adjustable quick-change bending die of claim 8, wherein, The inside of the groove (18) is provided with a spring (5), and the outside of all the springs (5) is jointly provided with an elastic annular plate (6), which abuts against the outside of the track (14) and the side of the adjusting plate (17).
10. The adjustable quick change bending die of claim 6 wherein, The bending roller (16) is provided with a recessed arc-shaped groove around to contact and bend the part.