Height-adjustable bending machine table

Abstract

The utility model discloses a height -adjustable bending machine workstation, including left and right wallboard, workstation, workstation vertical board, be provided with fixed plate between left and right wallboard, and workstation is set up between left and right wallboard and is located the top of fixed plate, and the workstation vertical board vertical fixed in the bottom of workstation, and the top of fixed plate is provided with the support plate, and the support plate sets up in one side of workstation vertical board, and the surface of support plate is provided with locking mechanism, and locking mechanism is used for making workstation vertical board tightly in one side of support plate, and the fixation of workstation is realized through friction force, and one side of workstation vertical board is provided with linear guide rail, and linear guide rail and support plate slide connection, and guarantee workstation vertical board along vertical direction sliding. The utility model relates to bending machine technical field. The height -adjustable bending machine workstation of this kind, realize the precision and efficiency of workstation adjustment, increase the adjustment range, guarantee the stability of workstation.

Description

Technical Field

[0001] This utility model relates to the field of bending machine technology, specifically to a bending machine workbench with adjustable height. Background Technology

[0002] A bending machine is a forging and pressing equipment used to bend metal sheets. The height of its worktable directly affects the alignment accuracy of the die and the processing quality of the workpiece. In actual production, in order to adapt to bending requirements of different thicknesses and angles, or after replacing or regrinding the die, the height of the worktable needs to be precisely adjusted.

[0003] In the prior art, there are various solutions for adjusting the height of a worktable. For example, CN202356477U discloses a height-adjustable bending machine worktable, which adjusts the height of both ends of the worktable upright by adjusting the relative position between the inclined plane pad and the semi-circular pad using adjusting screws, thereby adjusting the height of the worktable surface. However, this solution has some shortcomings: First, its adjustment relies on manual operation of the screws on both sides, which makes it difficult to ensure synchronization and easily leads to the worktable tilting, affecting processing accuracy; the efficiency of manual adjustment is also relatively low, requiring repeated operation to ensure accuracy; since the height is changed by adjusting the relative position between the inclined plane pad and the semi-circular pad, the adjustment range of this structure is limited by the length of the inclined plane, and the adjustment stroke is limited.

[0004] Therefore, there is an urgent need in this field for an adjustable height bending machine worktable with a large adjustment range, high synchronization accuracy, stable and reliable locking, and high adjustment efficiency. Utility Model Content

[0005] To address the aforementioned shortcomings, this invention provides an adjustable height bending machine worktable, which improves the accuracy and efficiency of worktable adjustment, increases the adjustment range, and ensures the stability of the worktable.

[0006] To achieve the above objectives, the present invention provides a height-adjustable bending machine workbench, comprising left and right wall panels, a workbench, and a workbench upright plate. A fixing plate is provided between the left and right wall panels. The workbench is positioned between the left and right wall panels and above the fixing plate. The workbench upright plate is vertically fixed to the bottom of the workbench. A support plate is provided on the top of the fixing plate. The support plate is positioned on one side of the workbench upright plate. A locking mechanism is provided on the surface of the support plate. The locking mechanism is used to make the workbench upright plate tightly adhere to one side of the support plate, thereby fixing the workbench through friction. A linear guide rail is provided on one side of the workbench upright plate, and the linear guide rail is slidably connected to the support plate to ensure that the workbench upright plate slides in the vertical direction; Each of the left and right wall panels has a lead screw structure on one of its opposite sides. The lead screw structure includes a lead screw, a nut, and a fixing seat. The fixing seat is fixed to one side of the left and right wall panels. The lead screw is vertically arranged between the fixing seat and the fixing plate. The bottom end of the lead screw extends to the bottom of the fixing plate. The nut is disposed on the surface of the lead screw and is threadedly connected to the lead screw. The side of the workbench upright plate closest to the nut is fixedly connected to a connecting seat that is fixedly connected to the nut. The surface of the left and right wall panels is fixedly connected to a servo motor that is connected to the lead screw drive. The bottom of the fixing plate is also fixedly connected to a synchronizer that is electrically connected to the servo motor.

[0007] Preferably, the locking mechanism includes an electric telescopic rod, a fixed cylinder, and a pull rod. The fixed cylinders are vertically fixed at equal intervals on one side of the support plate. The electric telescopic rod is fixed on one side of the support plate and located between two adjacent fixed cylinders. The pull rod is disposed inside the fixed cylinder and slidably connected to the fixed cylinder. One end of each pull rod passes through the support plate and the workbench upright plate in sequence and is fixedly connected to a pressure plate. The bottom of the pressure plate is slidably connected to the top of the fixed plate. The other end of the pull rod is fixedly connected to a connecting block. The working ends of each electric telescopic rod are fixedly connected to a push plate, which is fixed to one side of the connecting block by bolts.

[0008] Preferably, the bottom edge of the workbench is provided with a protective frame, and the surface of the protective frame is provided with a scale.

[0009] Preferably, the surfaces of the left and right wall panels are provided with anti-bending guide rails at positions directly corresponding to the lead screw, and one side of the nut is slidably connected to the anti-bending guide rails via a slider, wherein the cross-section of the anti-bending guide rails is T-shaped.

[0010] Preferably, the surface of the workbench upright plate is provided with an elongated hole adapted to the pull rod, and the length direction of the elongated hole is consistent with the lifting direction of the workbench.

[0011] Preferably, the synchronizer is an electronic synchronization controller.

[0012] The advantages of this utility model using the above-mentioned technical solution include: This height-adjustable bending machine worktable, through the structure of a servo motor driving a lead screw, has a large adjustment range; the synchronizer controls the synchronous operation of the servo motors on both sides, fundamentally ensuring the synchronicity and horizontal accuracy of the worktable's lifting and lowering, avoiding tilting; after adjustment, the electric telescopic rod of the locking mechanism pulls all the connecting rods, causing the pressure plate and support plate to work together to rigidly clamp the worktable's upright plate in the middle, with uniform locking force distribution and extremely strong impact and eccentric load resistance, ensuring the absolute stability of the worktable during bending operations; the linear guide rail ensures the straightness of the worktable's lifting and lowering. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the connection structure between the workbench upright plate and the support plate of this utility model; Figure 3 This is the front view of the present invention after the push plate has been removed; Figure 4 This utility model Figure 2 Enlarged view of point A in the middle.

[0014] In the diagram: 1-Left and right wall panels; 2-Workbench; 3-Workbench upright plate; 4-Fixed plate; 5-Support plate; 6-Locking mechanism; 61-Electric telescopic rod; 62-Fixed cylinder; 63-Pull rod; 64-Pressure plate; 65-Connecting block; 66-Push plate; 7-Linear guide rail; 8-Screw structure; 81-Screw; 82-Nut; 83-Fixed seat; 84-Connecting seat; 85-Anti-bending guide rail; 9-Servo motor; 10-Synchronizer; 11-Protective frame; 12-Scale; 13-Elongated hole. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Example 1: Please refer to Figure 1-4 This utility model provides a technical solution: an adjustable-height bending machine workbench, including left and right wall panels 1, a workbench 2, and a workbench upright plate 3. A fixing plate 4 is provided between the left and right wall panels 1, and the fixing plate 4 is fixedly connected to the left and right wall panels 1. A reinforcing plate can also be vertically provided at the bottom center of the fixing plate 4. The bottom of the reinforcing plate is in the same plane as the bottom of the left and right wall panels 1, and the reinforcing plate supports the fixing plate 4 to prevent the fixing plate 4 from bending. The workbench 2 is located between the left and right wall panels 1 and above the fixing plate 4. The workbench upright plate 3 is vertically fixed to the bottom of the workbench 2. A support plate 5 is provided on the top of the fixing plate 4 and is located on one side of the workbench upright plate 3. A locking mechanism 6 is provided on the surface of the support plate 5. The locking mechanism 6 is used to make the workbench upright plate 3 tightly adhere to one side of the support plate 5, and the workbench 2 is fixed by friction. The locking mechanism 6 includes an electric telescopic rod 61, a fixing cylinder 62, and a pull rod 63. The fixing cylinder 62 is vertically fixed at equal intervals on one side of the support plate 5. The electric telescopic rod 61 is fixed to one side of the support plate 5 and located between two adjacent fixed cylinders 62. The pull rod 63 is set inside the fixed cylinder 62 and is slidably connected to the fixed cylinder 62. One end of each pull rod 63 passes through the support plate 5 and the workbench upright plate 3 in sequence and is fixedly connected to the pressure plate 64. The bottom of the pressure plate 64 is slidably connected to the top of the fixed plate 4. The other end of the pull rod 63 is fixedly connected to the connecting block 65. The working end of each electric telescopic rod 61 is fixedly connected to the push plate 66. The push plate 66 is fixed to one side of the connecting block 65 by bolts.

[0017] When locked, the electric telescopic rod 61 extends and pushes the push plate 66. The push plate 66 drives all the connecting blocks 65 and the pull rod 63 to move away from the support plate 5. The pressure plate 64 at the end of the pull rod 63 presses against the other side of the worktable upright plate 3, thereby tightly clamping the worktable upright plate 3 between the pressure plate 64 and the support plate 5, generating huge friction force and achieving a firm lock on the worktable 2.

[0018] To ensure the guiding accuracy during the lifting process, a linear guide rail 7 is provided on one side of the worktable upright plate 3. The linear guide rail 7 is slidably connected to the support plate 5. The surface of the support plate 5 is provided with a matching guide rail groove. The cross section of the linear guide rail 7 is T-shaped or dovetail groove-shaped to ensure that the worktable upright plate 3 slides in the vertical direction. Each of the left and right wall panels 1 has a lead screw structure 8 on one of its opposite sides. The lead screw structure 8 includes a lead screw 81, a nut 82, and a fixing seat 83. The fixing seat 83 is fixed to one side of the left and right wall panels 1. The lead screw 81 is vertically positioned between the fixing seat 83 and the fixing plate 4, with its bottom end extending below the fixing plate 4. The nut 82 is located on the surface of the lead screw 81 and is threadedly connected to it. A connecting seat 84, which is fixedly connected to the nut 82, is fixedly connected to the side of the worktable upright plate 3 closest to the nut 82. A servo motor 9, which is driven by the lead screw 81, is fixedly connected to the surface of the left and right wall panels 1. A synchronizer 10, which is electrically connected to the servo motor 9, is also fixedly connected to the bottom of the fixing plate 4. When height adjustment is required, the synchronizer 10 commands the two servo motors 9 to start synchronously, driving the lead screw 81 to rotate and causing the nut 82 and the entire worktable connected to it to move smoothly in the vertical direction.

[0019] The bottom edge of the workbench 2 is provided with a protective frame 11, and the surface of the protective frame 11 is provided with a scale 12. The outer side of the protective frame 11 is slidably connected to the left and right wall panels 1. The protective frame 11 can fill the gap between the workbench 2 and the left and right wall panels 1, and play a safety protection role. At the same time, the scale 12 makes it easy to read the height value intuitively.

[0020] To cope with the huge eccentric load moment generated during bending, anti-bending guide rails 85 are provided on the surface of the left and right wall panels 1 and at the position directly corresponding to the lead screw 81. One side of the nut 82 is slidably connected to the anti-bending guide rail 85 through a slider. The cross section of the anti-bending guide rail 85 is T-shaped. The anti-bending guide rail 85 effectively constrains the circumferential rotation of the nut 82 and unloads the torque onto the anti-bending guide rail 85, ensuring that the lead screw 81 only bears axial force, which greatly improves the rigidity and service life of the system.

[0021] The surface of the workbench upright plate 3 is provided with an elongated hole 13 that is compatible with the pull rod 63. The length direction of the elongated hole 13 is consistent with the lifting direction of the workbench 2, providing the necessary moving space for the pull rod 63.

[0022] Synchronizer 10 is an electronic synchronous controller. An encoder for detecting speed and angle is installed at the end of servo motor 9. Synchronizer 10 can receive signals from two encoders in real time and make dynamic fine adjustments through the PID control algorithm inside synchronizer 10. That is, using existing equipment and algorithms, it ensures that the two servo motors 9 always maintain strict synchronous operation.

[0023] The working principle of this utility model is as follows: During adjustment, the locking mechanism 6 first loosens, and the servo motor 9 operates synchronously under the control of the synchronizer 10, driving the lead screw structure 8 to precisely adjust the worktable 2 to the target height. After adjustment, the locking mechanism 6 activates, pressing and fixing the worktable upright plate 3. During bending operations, the working load is transmitted through the worktable 2 and the worktable upright plate 3 to the support plate 5 and the lead screw structure 8. The anti-bending guide rail 85 effectively shares the torque, making the entire system stable and reliable.

[0024] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0025] The above description is merely a preferred embodiment of the prior art for fixing and installing this utility model, and is not intended to limit this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A height-adjustable bending machine workbench, comprising left and right wall panels (1), a workbench (2), and a workbench upright (3), characterized in that: A fixing plate (4) is provided between the left and right wall panels (1). The workbench (2) is located between the left and right wall panels (1) and above the fixing plate (4). The workbench upright plate (3) is vertically fixed to the bottom of the workbench (2). A support plate (5) is provided on the top of the fixing plate (4). The support plate (5) is located on one side of the workbench upright plate (3). A locking mechanism (6) is provided on the surface of the support plate (5). The locking mechanism (6) is used to make the workbench upright plate (3) stick tightly to one side of the support plate (5) and fix the workbench (2) by friction. A linear guide rail (7) is provided on one side of the workbench upright plate (3). The linear guide rail (7) is slidably connected to the support plate (5) to ensure that the workbench upright plate (3) slides in the vertical direction. Each of the left and right wall panels (1) is provided with a lead screw structure (8) on one side opposite to the other. The lead screw structure (8) includes a lead screw (81), a nut (82) and a fixing seat (83). The fixing seat (83) is fixed on one side of the left and right wall panels (1). The lead screw (81) is vertically arranged between the fixing seat (83) and the fixing plate (4). The bottom end of the lead screw (81) extends to the bottom of the fixing plate (4). The nut (82) is arranged on the surface of the lead screw (81) and threadedly connected to the lead screw (81). The workbench upright plate (3) is fixedly connected to a connecting seat (84) that is fixedly connected to the nut (82) on the side near the nut (82). The surface of the left and right wall panels (1) is fixedly connected to a servo motor (9) that is driven by the lead screw (81). The bottom of the fixing plate (4) is also fixedly connected to a synchronizer (10) that is electrically connected to the servo motor (9).

2. The adjustable height bending machine workbench according to claim 1, characterized in that: The locking mechanism (6) includes an electric telescopic rod (61), a fixed cylinder (62), and a pull rod (63). The fixed cylinders (62) are vertically fixed at equal intervals on one side of the support plate (5). The electric telescopic rod (61) is fixed on one side of the support plate (5) and located between two adjacent fixed cylinders (62). The pull rod (63) is set inside the fixed cylinder (62) and is slidably connected to the fixed cylinder (62). One end of each pull rod (63) passes through the support plate (5) and the workbench upright plate (3) in sequence and is fixedly connected to a pressure plate (64). The bottom of the pressure plate (64) is slidably connected to the top of the fixed plate (4). The other end of the pull rod (63) is fixedly connected to a connecting block (65). The working end of each electric telescopic rod (61) is fixedly connected to a push plate (66). The push plate (66) is fixed to one side of the connecting block (65) by bolts.

3. The adjustable height bending machine workbench according to claim 1, characterized in that: The bottom edge of the workbench (2) is provided with a protective frame (11), and the surface of the protective frame (11) is provided with a scale (12).

4. The adjustable height bending machine workbench according to claim 1, characterized in that: The left and right wall panels (1) are provided with anti-bending guide rails (85) at the positions corresponding to the lead screw (81). One side of the nut (82) is slidably connected to the anti-bending guide rail (85) through a slider. The cross section of the anti-bending guide rail (85) is T-shaped.

5. The adjustable height bending machine workbench according to claim 2, characterized in that: The surface of the workbench upright plate (3) is provided with an elongated hole (13) that is adapted to the pull rod (63), and the length direction of the elongated hole (13) is consistent with the lifting direction of the workbench (2).

6. The adjustable height bending machine workbench according to claim 1, characterized in that: The synchronizer (10) is an electronic synchronization controller.

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