A press brake

Abstract

The present application relates to the technical fields of press brake, and provides a kind of press brake, including workbench, workbench is equipped with positioning pressing block, the both ends of positioning pressing block are sequentially hinged with at least two adjusting pressing blocks, the side wall of positioning pressing block and all adjusting pressing blocks jointly form pressing surface;Workbench is symmetrically hinged with two driving members one, the driving end of two driving members one is respectively one-to-one corresponding connection in the adjusting pressing block of two ends outermost side, the arc of adjusting pressing surface can be extended by driving end;Workbench is also slidably equipped with at least two support tables located in the side of positioning pressing block, each support table is hinged with follow-up pressing plate, workbench is equipped with driving member two consistent with the number of support table and one-to-one corresponding, driving member two is used to drive support table sliding, make support table close to the adjusting pressing block of corresponding end of positioning pressing block, make follow-up pressing plate passive rotation and press on baffle.The present application provides a kind of press brake, curvature can be infinitely variable by hinged pressing surface, follow-up pressing plate is adapted to workpiece and guarantees forming accuracy.

Description

Technical Field

[0001] This invention relates to the field of bending machine technology, and specifically to a bending machine. Background Technology

[0002] A partition (also known as a partition ring or spacer ring) is a type of ring-shaped assembly component used in the wheel-side assembly and suspension piping system of commercial vehicles. Its main function is to form a stable axial gap between adjacent assembly components, realize precise positioning, support, buffering and physical isolation between components, ensure the coaxiality of the vehicle's transmission system, reduce component wear, and suppress resonance noise.

[0003] Profile bending machine, also known as a bending press, is the core equipment for forming and processing ring-shaped workpieces such as partitions. Its working principle is to clamp the metal profile through the bending structure, and apply radial pressure to the bending structure by the power mechanism to cause the profile to undergo plastic deformation, thereby achieving the bending purpose. If combined with the continuous feeding of the profile, the bending deformation can be evenly extended along the length of the profile, and finally formed into a ring-shaped workpiece with a specified curvature.

[0004] Currently, most traditional bending machines use hydraulic drive combined with mechanical limit structure to limit the stroke of the bending cylinder, thereby controlling the bending radius of the workpiece. However, the processing range of the equipment is limited, and it can only process round workpieces with fixed curvature. It cannot dynamically adjust the bending depth according to the profile feeding process, and it is difficult to complete the forming processing of irregularly shaped partition workpieces with variable curvature such as ellipse and oval. Its applicability needs to be improved. Summary of the Invention

[0005] To overcome the above-mentioned defects, embodiments of the present invention provide a bending machine, which solves the technical problem that bending machines in related technologies cannot dynamically adjust the bending depth according to the profile feeding process, making it difficult to complete the forming and processing of irregularly shaped partition workpieces with variable curvature such as elliptical and oval shapes, and the applicability of the equipment needs to be improved.

[0006] At least one embodiment of the present invention provides a bending machine for bending partitions, comprising: Workbench; A positioning block is provided on the worktable. At least two adjusting blocks are sequentially hinged to both ends of the positioning block. The sidewalls of the positioning block and the sidewalls of all the adjusting blocks together form a pressing surface. Two drive components are hinged to the worktable and symmetrically arranged. The drive ends of the two drive components are respectively connected to the adjustment blocks at the two ends. After the drive ends of the drive components extend, the curvature of the pressure surface can be adjusted. At least two support platforms are slidably disposed on the worktable and located on one side of the positioning block. Each support platform is hinged with a follower pressure plate, which can approach the adjusting block at one end of the positioning block after the support platform slides, so that the follower pressure plate can be passively rotated and pressed against the partition. A second driving component is disposed on the worktable. The number of second driving components is the same as that of the support platforms, and they correspond one-to-one. The second driving component is used to drive the support platforms to slide.

[0007] According to one embodiment of this application, there are two support platforms, and a bending positioning area for positioning the partition is formed between the two follower pressure plates and the pressure surface.

[0008] According to one embodiment of this application, both ends of the positioning block and the end of each adjusting block away from the positioning block have columnar protrusions, and the end of each adjusting block near the positioning block has a concave stepped portion. The columnar protrusions are hinged to the concave stepped portion by a pin.

[0009] According to one embodiment of this application, the hinge axis of the adjusting pressure block, the hinge axis of the driving member and the hinge axis of the follower pressure plate are all arranged vertically, and the sliding direction of the support platform is arranged horizontally.

[0010] According to one embodiment provided in this application, it further includes: A limiting platform is provided on the worktable. The positioning block is fixedly provided on the limiting platform, and two symmetrical arc-shaped limiting grooves are opened. Each arc-shaped limiting groove protrudes away from the positioning block. The two end adjustment blocks are respectively hinged to the driving ends of the two driving components, and the hinge shaft of each end adjustment block is slidably fitted in the arc-shaped limiting groove. After the driving end of the driving component extends out, it can push the end adjustment block to adjust the curvature of the pressure surface.

[0011] According to one embodiment provided in this application, it further includes: A pull-wire encoder is disposed at the drive end of the first drive component and is used to detect the extension and retraction of the drive end of the first drive component and generate a signal. The controller is capable of receiving signals and sending control commands to the first drive unit to control the extension and retraction of the drive end of the first drive unit.

[0012] According to one embodiment of this application, each of the second driving components is fixedly disposed on the bottom surface of the workbench. The workbench is provided with a vertically penetrating and symmetrical strip groove. The bottom surface of each support platform has a connecting part that penetrates the strip groove. The connecting part is fixedly connected to the driving end of the second driving component.

[0013] According to one embodiment of this application, at least two support rollers are rotatably provided at the edge of the workbench. The support rollers are used to support the partition, and the rotation axis of the support rollers is arranged horizontally.

[0014] The bending machine provided in this invention, compared with the prior art, breaks through the curvature limitation of rigid molds by using a split hinged pressing surface structure. Specifically, the pressing surface is not a rigid integral component, but is formed by splicing together the side walls of a centrally fixed positioning pressing block and multiple adjusting pressing blocks that are hinged at both ends. Adjacent pressing blocks can rotate relative to each other around the hinge axis. This structure makes the overall curvature of the entire pressing surface have an adjustable physical basis.

[0015] Based on this, two symmetrically arranged driving components are connected to the outermost adjusting blocks at both ends. When the driving end of the driving component extends or retracts, it can directly push the end adjusting block to deflect. The deflection force is then transmitted sequentially to each section of the adjusting blocks on the inner side through the hinge structure, so that all adjusting blocks rotate synchronously around the corresponding hinge axis. This achieves continuous and stepless adjustment of the curvature of the entire pressing surface without the need to replace the physical mold. The curvature of the pressing surface can be changed by controlling the extension and retraction of the driving component, which in turn changes the bending depth and forming radius of the profile.

[0016] At the same time, the second drive unit can drive the support table to slide along the worktable, causing the follower pressure plate to move closer to or further away from the pressure surface in sync, adapting to the workpiece position under different curvatures. The follower pressure plate is hinged, and after contacting the side wall of the profile, it can passively rotate to adapt to the workpiece surface, always maintaining stable lateral pressure and guiding limit on the profile, ensuring the forming accuracy and workpiece quality during variable curvature processing. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a top view of a bending machine provided in an embodiment of the present invention; Figure 2 This is an embodiment of the present invention. Figure 1A bottom view of a type of bending machine; Figure 3 This is an embodiment of the present invention. Figure 1 A magnified view of a portion of the image; Figure 4 This is an embodiment of the present invention. Figure 1 Diagram showing the fit between the center positioning block and the adjusting block; Figure 5 This is an embodiment of the present invention. Figure 1 Schematic diagram of the central support platform; Figure 6 This is an embodiment of the present invention. Figure 1 Schematic diagram of the central positioning pressure block; Figure 7 This is an embodiment of the present invention. Figure 1 Schematic diagram of the structure of the adjusting pressure block; Figure 8 This is an embodiment of the present invention. Figure 1 Schematic diagram of the middle limiting stage; Figure 9 This is an embodiment of the present invention. Figure 1 A schematic diagram of the structure of a type of bending machine.

[0019] In the diagram: 1. Partition; 2. Workbench; 201. Strip groove; 3. Positioning block; 4. Adjusting block; 5. Pressing surface; 6. Drive component one; 7. Support platform; 701. Connecting part; 8. Follow-up pressure plate; 9. Drive component two; 10. Pressing and positioning area; 11. Columnar protrusion; 12. Concave stepped part; 13. Limiting platform; 1301. Arc-shaped limiting groove; 14. Wire encoder; 15. Support roller. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be described in more detail below with reference to the accompanying drawings. In the drawings, the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of this application. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this application, and should not be construed as limiting this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0021] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an indirect connection through an intermediate medium, or the internal communication between two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0022] In the description of this application, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application 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 application.

[0023] The terms "first," "second," "third," "fourth," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented, for example, in a sequence other than those illustrated or described herein.

[0024] To make the drawings concise and easy to understand, some drawings only show one of the components with the same structure or function, or only one of them is marked. In this article, "one" not only means "only one", but can also mean "more than one", and "several" includes "two" and "more than two".

[0025] Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units is not necessarily limited to those explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus. It is understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. The embodiments of this application are described in detail below with reference to the accompanying drawings.

[0026] like Figures 1-3 As shown, a bending machine according to an embodiment of the present invention is used to bend a partition 1, including a workbench 2, a positioning block 3 and at least two support platforms 7, and corresponding driving components; specifically: the workbench 2 serves as the basic load-bearing base of the bending machine, and adopts a horizontally arranged plate-type platform structure to provide installation reference and support for all functional components.

[0027] A positioning block 3 is fixedly installed at the center of the workbench 2 surface. If bolted, this positioning block 3 serves as the reference section for the entire bending working surface. Figure 3 At least two adjusting blocks 4 are connected in series at both ends of the positioning block 3. Adjacent blocks are rotatably connected by a hinge structure, and the hinge axis is set vertically perpendicular to the worktable 2 surface, so that each adjusting block 4 can deflect around the corresponding hinge axis in the horizontal plane. Since the positioning block 3 and all the adjusting blocks 4 are spliced ​​together on the side wall facing the partition 1 to form a continuous pressing surface 5, when each section of adjusting block 4 deflects relative to the hinge axis, the overall curvature of the spliced ​​pressing surface 5 will change accordingly. This breaks through the limitation of fixed curvature of traditional rigid molds and provides a structural basis for continuous adjustment of the curvature of the pressing surface 5.

[0028] On both sides of the positioning block 3, two drive components 6 are symmetrically arranged. The tail of the cylinder of each drive component 6 is hinged to the corresponding support of the worktable 2. The hinge axis is also set vertically, so that the drive component 6 can swing adaptively with the movement of the adjusting block 4, avoiding structural interference during the movement. The telescopic drive ends of the two drive components 6 are respectively connected to the outermost end adjusting blocks 4 on both sides, thus forming a symmetrical power input structure.

[0029] Specific action: When the drive end of the drive component 6 extends, it applies a thrust to the end adjustment block 4. This thrust is transmitted inward in sequence through the series of hinge structures, causing all the inner adjustment blocks 4 to deflect inward around their respective hinge axes, thereby increasing the overall curvature of the pressure surface 5. Conversely, when the drive end retracts, it pulls the end adjustment block 4 outward, thereby decreasing the overall curvature of the pressure surface 5, thus achieving stepless continuous adjustment of the curvature of the pressure surface 5.

[0030] On one side of the pressure surface 5, at least two support platforms 7 that can slide along the surface of the worktable 2 are arranged. The support platforms 7 and the pressure surface 5 are located on both sides of the workpiece of the partition 1, forming a relatively clamping arrangement to complete the bending operation of the partition 1. Figure 3 As shown, in some embodiments, there are two support platforms 7, and a bending positioning area 10 for positioning the partition 1 is formed between the two follower pressure plates 8 and the pressure surface 5.

[0031] Furthermore, each support platform 7 is hinged with a follower pressure plate 8, and its hinge axis is also set vertically, so that the follower pressure plate 8 can rotate freely in the horizontal plane without constraint. When the support platform 7 slides towards the pressure surface 5, the side wall of the follower pressure plate 8 will first contact the outer side wall of the partition 1. As the support platform 7 continues to feed, the reaction force generated by the profile on the follower pressure plate 8 will push the follower pressure plate 8 to rotate passively around the hinge axis until the working surface of the follower pressure plate 8 is completely in contact with the side wall of the profile.

[0032] This structure can adaptively match the angle changes of the workpiece sidewall under different curvatures, ensuring surface contact pressure and avoiding the local indentation and limit failure problems caused by the angle mismatch of traditional fixed pressure plates, thus achieving stable lateral limit and guidance of the workpiece.

[0033] Meanwhile, each support platform 7 is equipped with a driving component 2 9, which is fixedly mounted on the worktable 2, and its driving end is connected to the corresponding support platform 7. Specifically: Figure 3 As shown, the worktable 2 has vertically continuous and symmetrical strip grooves 201. The bottom surface of each support platform 7 has a connecting part 701 that passes through the strip groove 201. The connecting part 701 is fixedly connected to the driving end of the second driving member 9 to provide linear power for the sliding of the support platform 7. By controlling the extension and retraction stroke of the second driving member 9, the sliding position of the support platform 7 can be precisely adjusted, thereby adjusting the pressure and positioning position of the follower pressure plate 8 on the workpiece of the partition 1. It can adapt to partitions 1 with different cross-sectional sizes, and can also adjust the position of the support platform 7 synchronously after the curvature of the pressure surface 5 is adjusted, ensuring that the follower pressure plate 8 can always press the workpiece with a suitable angle and force, providing stable clamping and limiting guarantee for the variable curvature processing process.

[0034] This embodiment provides a bending machine that overcomes the curvature limitation of rigid molds by using a split hinged pressing surface 5 structure. The pressing surface 5 is composed of a centrally fixed positioning pressing block 3 and multiple adjustable pressing blocks 4 hinged at both ends. Adjacent pressing blocks can deflect relative to each other around the hinge axis, providing a structural basis for adjusting the curvature of the pressing surface 5. When the driving end of the first driving component 6 extends or retracts, it can drive the end adjustable pressing blocks 4 to deflect. The deflection force is then transmitted sequentially to each inner adjustable pressing block 4 through the hinge structure, so that all adjustable pressing blocks 4 rotate synchronously, realizing continuous stepless adjustment of the curvature of the pressing surface 5 without the need to replace the physical mold. At the same time, the second driving component 9 can drive the support table 7 to slide along the worktable 2, driving the follower pressing plate 8 to adapt to the workpiece position under different curvatures. The hinged follower pressing plate 8 can passively rotate and adaptively fit the workpiece surface, always forming a stable lateral pressure and guiding limit on the profile, ensuring the forming accuracy and workpiece quality of variable curvature processing.

[0035] Furthermore, during the continuous feeding of partition 1, the equipment can adjust the extension and retraction of the two drive components 6 in real time at different stages of feeding according to the contour parameters of the target workpiece, dynamically changing the curvature of the pressure surface 5, so that the corresponding position of the profile obtains suitable plastic deformation. When processing irregularly shaped workpieces such as oval, the extension of the drive component is increased in the arc segment to improve the bending rate, and the extension is reduced in the straight segment to weaken the bending effect. This allows for continuous multi-curvature forming on a single profile, realizing the integrated processing of irregularly shaped partitions 1 such as elliptical and oval, breaking through the limitation of traditional equipment that can only process circular workpieces with fixed curvature, and broadening the applicable scenarios of the equipment.

[0036] Meanwhile, the bending machine has higher production changeover efficiency, and only the drive parameters need to be adjusted to switch workpiece specifications, making it suitable for multi-variety, small-batch production modes; the forming quality is better, and the multi-segment hinged pressing surface 5 is evenly stressed, which can avoid local stress concentration and surface indentation caused by rigid molds; the operation stability is stronger, and the symmetrical arrangement structure makes the workpiece subjected to balanced forces on both sides, which can offset the lateral force and reduce equipment vibration and profile shape and position deviation.

[0037] In some embodiments, a measurement and control component consisting of a wire encoder 14 and a controller is added to the original drive component 6. Specifically, the wire encoder 14 is mounted on the drive end of the drive component 6, which is symmetrically arranged on the left and right sides. It is close to the core action execution part and can directly follow the extension and retraction movement of the drive end to form a linkage. Relying on the wire structure, it eliminates the need for additional adapter parts. The overall layout is compact and can collect the linear displacement information of the drive end in the first time. The controller establishes a bidirectional signal path with the wire encoder 14 and the drive component 6 through electrical lines. The wire encoders 14 matched with the left and right drive components 6 are all connected to the controller to ensure that the signal acquisition and command execution of the pressure surface 5 adjustment mechanism on both sides are synchronized and coordinated.

[0038] Working principle: When the equipment is bending the partition 1, the drive component 6 uses its own power to extend and retract the drive end, thereby causing the end adjustment block 4 to deflect, ultimately changing the curvature of the pressing surface 5. While the drive end generates linear displacement, it simultaneously pulls the cable inside the wire encoder 14, causing the rotating component inside the encoder to rotate accordingly. This converts the mechanical displacement of the drive end's extension stroke into a transmittable electrical signal in real time and outputs it continuously. The controller also continuously receives the real-time displacement data fed back by the wire encoder 14 and compares the measured values ​​with the pre-recorded process parameters such as the target stroke and forming curve in the system. When the current extension of the drive end does not reach the set standard, the controller continuously sends control commands to the drive component 6 to make it continue to complete the extension action. Once the real-time detected stroke matches the preset parameters, the controller promptly issues a stop command, locks the position of the drive end, and keeps the pressing surface 5 stably maintained at the target curvature.

[0039] For machining scenarios involving irregularly shaped workpieces with varying curvatures, such as ellipses and oval shapes, the controller can output different stroke commands in segments according to a pre-programmed timing sequence. The wire encoder 14 provides closed-loop feedback on the displacement status throughout the entire process. The controller dynamically corrects the stroke deviation based on the feedback, so that the extension and retraction of the drive component 6 changes in an orderly manner with the feed rhythm of the profile, thereby achieving continuous dynamic adjustment of the curvature of the pressing surface 5.

[0040] The aforementioned measurement and control components can monitor and correct the movement deviation of the drive component 6 in real time, effectively offsetting inherent problems such as low-speed crawling, pressure fluctuations, and mechanical fit clearances during the operation of the drive mechanism, improving the stroke control accuracy of the drive end, and thus ensuring the uniformity and stability of the curvature of the pressure surface 5. Moreover, all processing parameters can be pre-entered into the controller and stored. When switching between different specifications and different forming curvatures of the partition 1 workpiece, the parameter switching can be completed simply by calling the corresponding program, without the need for staff to repeatedly disassemble and adjust the mechanical limit structure, simplifying the production changeover process and shortening the debugging time.

[0041] like Figures 3-7 As shown, in some embodiments, both ends of the positioning block 3 and the end of each adjusting block 4 away from the positioning block 3 are integrally formed with columnar protrusions 11. The protrusions extend outward in a regular columnar shape, serving as the main force-bearing base of the hinge point. Each adjusting block 4 is integrally formed with a concave stepped portion 12 at the end near the positioning block 3. The shape of the columnar protrusions 11 matches the concave stepped portion 12, and the sidewalls of the steps form lateral and circumferential limits to prevent the docking components from shifting laterally when under force. This allows the columnar protrusions 11 to be hinged to the concave stepped portion 12 by a pin, ultimately achieving sequential docking and series connection of multiple adjusting blocks 4, ensuring that all hinge nodes of the entire pressing surface 5 maintain a uniform structural form.

[0042] The interlocking hinge structure of the columnar protrusion 11 and the concave stepped part 12 not only makes the assembly and alignment of each set of hinge nodes more convenient and accurate, but the standardized structure also reduces the difficulty of parts processing and ensures that the multi-segment pressure blocks move in a coordinated manner when synchronously deflecting and adjusting the pressure surface 5 arc.

[0043] like Figure 8 As shown, it also includes a limiting platform 13, which is fixedly installed on the workbench 2 as the mounting base for the positioning block 3. The positioning block 3 is stably assembled in the central area of ​​the limiting platform 13. Two sets of arc-shaped limiting grooves 1301 are machined on the body of the limiting platform 13, which are symmetrically distributed on the left and right. Each arc-shaped limiting groove 1301 protrudes outward in the direction away from the positioning block 3, so as to reserve a suitable movement space and limit the movement of the adjusting block 4.

[0044] The two end adjustment blocks 4 are respectively hinged to the driving ends of the two driving components 6. The hinge shaft of each end adjustment block 4 is slidably fitted in the arc-shaped limiting groove 1301. When the driving end of the driving component 6 extends outward, it applies a thrust to the connected end adjustment block 4. The end adjustment block 4 then tends to deflect, and its hinge shaft slides gradually along the inner wall of the arc-shaped limiting groove 1301. The side wall of the groove continuously limits and guides the hinge shaft. The end adjustment block 4 completes the deflection with the hinge shaft as the fulcrum. The deflection torque is then transmitted to all the inner adjustment blocks 4 through each hinge node, so that the entire set of adjustment blocks 4 rotates synchronously, thereby changing the overall curvature of the pressure surface 5. Conversely, the curvature of the pressure surface 5 is also adjusted synchronously.

[0045] like Figures 1-2 , Figure 9 As shown, in some embodiments, at least two support rollers 15 are rotatably provided at the edge of the worktable 2, such as symmetrically distributed on the feed side and discharge side of the bending positioning area 10 along the feed path of the partition 1, to support the partition 1 extending beyond the table surface, and the rotation axis of the support rollers 15 is set horizontally to provide stable support.

[0046] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be included within the protection scope of this application.

Claims

1. A bending machine for bending partitions (1), characterized in that, include: Workbench (2); A positioning block (3) is provided on the workbench (2). At least two adjusting blocks (4) are sequentially hinged to both ends of the positioning block (3). The side wall of the positioning block (3) and the side wall of all the adjusting blocks (4) together form a pressing surface (5). Two drive components (6) are hinged on the worktable (2) and symmetrically arranged. The drive ends of the two drive components (6) are respectively connected to the adjustment blocks (4) at the two ends. After the drive ends of the drive components (6) extend, the curvature of the pressure surface (5) can be adjusted. At least two support platforms (7) are slidably disposed on the worktable (2) and located on one side of the positioning block (3). Each support platform (7) is hinged with a follower plate (8). After the support platform (7) slides, it can approach the adjusting block (4) at one end of the positioning block (3) so that the follower plate (8) is passively rotated and pressed against the partition (1). The second driving component (9) is located on the worktable (2). The number of the second driving component (9) is the same as that of the support platform (7) and they correspond one-to-one. The second driving component (9) is used to drive the support platform (7) to slide.

2. The bending machine according to claim 1, characterized in that, There are two support platforms (7), and a bending positioning area (10) for positioning the partition (1) is formed between the two follower pressure plates (8) and the pressure surface (5).

3. A bending machine according to claim 1, characterized in that, Both ends of the positioning block (3) and the end of each adjustment block (4) away from the positioning block (3) have columnar protrusions (11), and the end of each adjustment block (4) near the positioning block (3) has concave stepped portion (12). The columnar protrusions (11) are hinged to the concave stepped portion (12) by a pin.

4. A bending machine according to claim 1, characterized in that, The hinge axis of the adjusting pressure block (4), the hinge axis of the driving member (6) and the hinge axis of the follower pressure plate (8) are all set vertically, and the sliding direction of the support platform (7) is set horizontally.

5. A bending machine according to claim 4, characterized in that, Also includes: A limiting platform (13) is provided on the worktable (2). The positioning block (3) is fixedly provided on the limiting platform (13) and two symmetrical arc-shaped limiting grooves (1301) are provided. Each arc-shaped limiting groove (1301) protrudes away from the positioning block (3). The two end adjustment blocks (4) are respectively hinged to the driving ends of the two driving members (6), and the hinge shaft of each end adjustment block (4) is slidably fitted in the arc-shaped limiting groove (1301). After the driving end of the driving member (6) extends out, it can push the end adjustment block (4) to adjust the curvature of the pressure surface (5).

6. A bending machine according to claim 1, characterized in that, Also includes: A pull-wire encoder (14) is provided at the drive end of the drive member (6) and is used to detect the extension and retraction of the drive end of the drive member (6) and generate a signal. The controller is able to receive signals and send control commands to the drive unit (6) to control the extension and retraction of the drive end of the drive unit (6).

7. A bending machine according to claim 1, characterized in that, Each of the driving components (9) is fixedly mounted on the bottom surface of the workbench (2). The workbench (2) has a vertically penetrating and symmetrical strip groove (201). The bottom surface of each support platform (7) has a connecting part (701) that penetrates the strip groove (201). The connecting part (701) is fixedly connected to the driving end of the driving component (9).

8. A bending machine according to claim 1, characterized in that, At least two support rollers (15) are rotatably provided at the edge of the workbench (2). The support rollers (15) are used to support the partition (1), and the rotation axis of the support rollers (15) is set horizontally.

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