Numerical control bending machine capable of bending railway vehicle accessories in segmented mode

Abstract

The utility model relates to the technical field of bending, and provides a sectional bending railway vehicle accessory numerical control bending machine which comprises a stress table, a door-shaped frame is arranged on a stress plate, a driving bending assembly is arranged on the door-shaped frame, and a pressed switching assembly is arranged on a pressed table. The driving bending assembly comprises a driving table, the driving table is arranged on the upper end face of the door-shaped frame, a driving oil cylinder is arranged on the upper end face of the driving table, the output end of the driving oil cylinder penetrates through the driving table, a lower pressing plate is arranged at the output end of the driving oil cylinder, a sliding groove is formed in the surface of the inner side of the door-shaped frame, and sliding strips are arranged at the two opposite ends of the lower pressing plate and embedded into the sliding groove. By means of the technical scheme, the problems that in the prior art, the bending angle is inflexible and cannot be adjusted, downward pressing movement is not smooth in the bending process, and the clamping phenomenon is likely to occur after the bending device is used for a long time are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bending, and specifically, to a numerically controlled bending machine for track vehicle accessories with segmented bending. Background Art

[0002] A bending machine is a machine that can bend thin plates. Its structure mainly includes a bracket, a workbench, and a clamping plate. The workbench is placed on the bracket. The workbench is composed of a base and a pressing plate. The base is connected to the clamping plate through a hinge. The base is composed of a housing, a coil, and a cover plate. The coil is placed in the recess of the housing, and the cover plate covers the top of the recess. When in use, the coil is energized by a wire, and after energization, an attractive force is generated on the pressing plate, thereby realizing the clamping of the thin plate between the pressing plate and the base. Due to the use of electromagnetic force clamping, the pressing plate can be made to meet various workpiece requirements, and workpieces with side walls can be processed, and the operation is also very simple.

[0003] A hydraulic bending machine includes a bracket, a workbench, and a clamping plate. The workbench is placed on the bracket. The workbench is composed of a base and a pressing plate. The base is connected to the clamping plate through a hinge. The base is composed of a housing, a coil, and a cover plate. The coil is placed in the recess of the housing, and the cover plate covers the top of the recess. When in use, the coil is energized by a wire, and after energization, an attractive force is generated on the pressing plate, thereby realizing the clamping of the thin plate between the pressing plate and the base. Due to the use of electromagnetic force clamping, the pressing plate can be made to meet various workpiece requirements, and workpieces with side walls can be processed. The bending machine can meet the needs of various workpieces by replacing the bending machine die.

[0004] However, in the specific use process of the bending machine, there are the following problems: 1. The bending angle is rigid and cannot be adjusted; 2. The downward movement during bending is not smooth, and it is easy to produce a jamming phenomenon after a long use time. In view of this, a numerically controlled bending machine for track vehicle accessories with segmented bending is developed. Summary of the Utility Model

[0005] The utility model provides a numerically controlled bending machine for track vehicle accessories with segmented bending, which solves the problems in the related technology that the bending angle is rigid and cannot be adjusted, the downward movement during bending is not smooth, and it is easy to produce a jamming phenomenon after a long use time.

[0006] The technical solution of the utility model is as follows: including

[0007] A force-receiving platform, on which a gantry is provided;

[0008] A driving bending component, which is arranged on the gantry;

[0009] A pressure-receiving switching component, which is arranged on the force-receiving platform;

[0010] The driving and bending component includes a driving platform which is arranged on the upper end surface of the portal frame. An oil cylinder is arranged on the upper end surface of the driving platform. The output end of the oil cylinder penetrates through the driving platform, and a lower pressing plate is arranged at the output end of the oil cylinder. A sliding groove is arranged on the inner surface of the portal frame, and sliding strips are arranged at the opposite ends of the lower pressing plate. The sliding strips are embedded in the sliding groove.

[0011] As a further technical solution, a yielding groove is formed on the side surface of the sliding strip, a limiting groove is formed on the end surface of the lower pressing plate, a sliding block is arranged in the limiting groove, a sliding shaft is arranged on the sliding block, the sliding shaft extends out of the limiting groove, and a moving wheel is arranged on the sliding shaft.

[0012] As a further technical solution, the compression switching component includes a compression groove which is formed on the upper end surface of the force-bearing platform. A walking wheel is arranged in the compression groove, wheel brackets are arranged at the opposite ends of the walking wheel, a support frame is arranged on the upper end surface of the wheel bracket, a pressure-receiving plate is arranged on the upper end surface of the support frame, and a bending groove is arranged on the upper end surface of the pressure-receiving plate.

[0013] As a further technical solution, the number of the bending grooves is several, and the groove depths between the multiple bending grooves are all different.

[0014] As a further technical solution, the sliding shaft and the moving wheel are movably connected through a bearing.

[0015] As a further technical solution, a compression inclined surface is arranged on the bottom surface of the lower pressing plate, and the compression inclined surfaces are located on the opposite sides at the bottom of the lower pressing plate.

[0016] As a further technical solution, a screwing cap is arranged on the sliding shaft, the screwing cap is threadedly screwed with the sliding shaft, and the screwing cap is located in the limiting groove.

[0017] As a further technical solution, a telescopic member is arranged between the lower pressing plate and the portal frame.

[0018] As a further technical solution, the telescopic member includes a movable sleeve which is arranged on the upper end surface of the lower pressing plate. A telescopic rod is inserted in the movable sleeve, and the telescopic rod is connected to the portal frame.

[0019] As a further technical solution, a long strip groove is formed inside the movable sleeve, a limiting disc is arranged on the telescopic rod, a long strip block is arranged on the limiting disc, and the long strip block is embedded in the long strip groove.

[0020] The working principle and beneficial effects of the present utility model are as follows:

[0021] The following effects are achieved in the utility model: 1. The driving cylinder on the gantry in the bending assembly is driven to press the lower pressure plate downward, and the slide bar on the lower pressure plate slides in the sliding groove, and the sliding block can slide in the yielding groove, thereby adjusting the position of the sliding shaft, so that the moving wheel fits the inner wall of the sliding groove, making the movement of the lower pressure plate more stable.

[0022] 2. The travel wheel in the pressure switching assembly moves in the pressure groove, and the pressure plate can be moved through the wheel frame and the support frame to adjust the position of the bending groove. The movement of the bending groove can adjust the bending grooves of different groove depths to align with the position of the lower pressure plate, thereby pressing down to achieve different bending angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is the axial side view of the lower pressing plate of the utility model;

[0026] Figure 3 This is a cross-sectional view of the limit groove of the utility model;

[0027] Figure 4 This is an axial view of the pressure plate of the utility model;

[0028] Figure 5 This is a cross-sectional view of the telescopic member of the utility model;

[0029] In the figure: 1. force-bearing platform; 2. gantry; 3. driving bending assembly; 3-1. driving platform; 3-2. driving cylinder; 3-3. lower pressure plate; 3-4. sliding groove; 3-5. slide bar; 3-6. giving way groove; 3-7. limiting groove; 3-8. sliding block; 3-9. sliding shaft; 3-10. moving wheel; 4. pressure switching assembly; 4-1. pressure groove; 4-2. walking wheel; 4-3. wheel frame; 4-4. supporting frame; 4-5. pressure plate; 4-6. bending groove; 5. pressure inclined surface; 6. screw cap; 7. telescopic member; 7-1. movable sleeve; 7-2. telescopic rod; 7-3. long groove; 7-4. limiting plate; 7-5. long block. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] like Figures 1 to 5 As shown, this embodiment provides a CNC bending machine for rail vehicle parts for segmented bending, comprising

[0032] A force-bearing platform 1, on which a portal frame 2 is arranged;

[0033] A driving bending assembly 3, wherein the driving bending assembly 3 is arranged on the portal frame 2;

[0034] A pressure-bearing switching component 4, wherein the pressure-bearing switching component 4 is arranged on a force-bearing platform;

[0035] The driving bending assembly 3 includes a driving platform 3-1, which is arranged on the upper end surface of the gantry 2. A driving cylinder 3-2 is arranged on the upper end surface of the driving platform 3-1. The output end of the driving cylinder 3-2 passes through the driving platform 3-1. A lower pressure plate 3-3 is arranged on the output end of the driving cylinder 3-2. A sliding groove 3-4 is arranged on the inner surface of the gantry 2. Slide bars 3-5 are arranged at the opposite ends of the lower pressure plate 3-3. The slide bars 3-5 are embedded in the sliding groove 3-4.

[0036] In this embodiment, the driving cylinder 3-2 on the gantry 2 drives the lower pressing plate 3-3 to press downward, and the sliding bar 3-5 on the lower pressing plate 3-3 slides in the sliding groove 3-4, so that the lower pressing plate 3-3 moves more smoothly.

[0037] Specifically, a yield groove 3-6 is formed on the side surface of the slide bar 3-5, a limiting groove 3-7 is formed on the end surface of the lower pressure plate 3-3, a sliding block 3-8 is arranged in the limiting groove 3-7, a sliding shaft 3-9 is arranged on the sliding block 3-8, the sliding shaft 3-9 extends out of the limiting groove 3-7, and a moving wheel 3-10 is arranged on the sliding shaft 3-9.

[0038] In this embodiment, the sliding block 3-8 can slide in the yielding groove 3-6, thereby adjusting the position of the sliding shaft 3-9 so that the moving wheel 3-10 fits the inner wall of the sliding groove 3-4.

[0039] Furthermore, the pressure switching component 4 includes a pressure groove 4-1, which is opened on the upper end surface of the force-bearing platform 1, and a walking wheel 4-2 is arranged in the pressure groove 4-1, and a wheel frame 4-3 is arranged at the opposite ends of the walking wheel 4-2, and a support frame 4-4 is arranged on the upper end surface of the wheel frame 4-3, and a pressure plate 4-5 is arranged on the upper end surface of the support frame 4-4, and a bending groove 4-6 is arranged on the upper end surface of the pressure plate 4-5.

[0040] In this embodiment, the traveling wheel 4-2 moves in the pressure groove 4-1, and the pressure plate 4-5 can be moved through the wheel frame 4-3 and the support frame 4-4, so as to adjust the position of the bending groove 4-6.

[0041] Furthermore, there are several bending grooves 4-6, and the groove depths between the multiple bending grooves 4-6 are different. The sliding shaft 3-9 and the moving wheel 3-10 are movably connected through bearings. The bottom surface of the lower pressure plate 3-3 is provided with a pressure inclined surface 5, and the pressure inclined surface 5 is located on the opposite sides of the bottom of the lower pressure plate 3-3.

[0042] In this embodiment, the bending groove 4-6 can be moved to adjust the position of the bending groove 4-6 with different groove depths to align with the lower pressing plate 3-3, so as to achieve different bending angles by pressing down.

[0043] Furthermore, a screw cap 6 is provided on the sliding shaft 3-9, and the screw cap 6 is screwedly connected to the sliding shaft 3-9, and the screw cap 6 is located in the limiting groove 3-7, and a telescopic member 7 is provided between the lower pressure plate 3-3 and the gantry 2.

[0044] In this embodiment, the screw cap 6 is screwed on the sliding shaft 3-9 so that the screw cap 6 is fixed in the sliding groove 3-4, thereby locking and fixing the position of the sliding shaft 3-9.

[0045] Furthermore, the telescopic member 7 includes a movable sleeve 7-1, which is arranged on the upper end surface of the lower pressure plate 3-3, and a telescopic rod 7-2 is inserted in the movable sleeve 7-1, and the telescopic rod 7-2 is connected to the gantry 2. A long groove 7-3 is opened inside the movable sleeve 7-1, and a limiting plate 7-4 is arranged on the telescopic rod 7-2. A long block 7-5 is arranged on the limiting plate 7-4, and the long block 7-5 is embedded in the long groove 7-3.

[0046] In this embodiment, during the pressing process of the lower pressing plate 3-3, the telescopic rod 7-2 can slide in the movable sleeve 7-1, and the long strip block 7-5 on the upper side can slide in the long strip groove 7-3, so that the pressing of the lower pressing plate 3-3 is more stable.

[0047] When bending is required, the driving cylinder 3-2 on the gantry 2 drives the lower pressure plate 3-3 to press downward, and the sliding bar 3-5 on the lower pressure plate 3-3 slides in the sliding groove 3-4, and the sliding block 3-8 can slide in the yielding groove 3-6, thereby adjusting the position of the sliding shaft 3-9, so that the moving wheel 3-10 fits the inner wall of the sliding groove 3-4, so that the movement of the lower pressure plate 3-3 is more stable, and the movement of the bending groove 4-6 can adjust the bending groove 4-6 with different groove depths to align with the position of the lower pressure plate 3-3, thereby pressing down to achieve different bending angles.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A numerically controlled bending machine for track vehicle fittings with segmented bending, characterized in that, including a force-bearing platform (1), on which a gantry (2) is provided; a driving and bending component (3), which is arranged on the gantry (2); a compression switching component (4), which is arranged on the force-bearing platform; The driving and bending component (3) includes a driving platform (3-1), which is arranged on the upper end surface of the gantry (2). An oil cylinder (3-2) is arranged on the upper end surface of the driving platform (3-1). The output end of the oil cylinder (3-2) passes through the driving platform (3-1), and a lower pressing plate (3-3) is arranged at the output end of the oil cylinder (3-2). A sliding groove (3-4) is arranged on the inner surface of the gantry (2). Sliding strips (3-5) are arranged at the opposite ends of the lower pressing plate (3-3), and the sliding strips (3-5) are embedded in the sliding groove (3-4).

2. The numerically controlled bending machine for track vehicle fittings with segmented bending according to claim 1, characterized in that, A relief groove (3-6) is formed on the side surface of the sliding strip (3-5), a limiting groove (3-7) is formed on the end surface of the lower pressing plate (3-3), a sliding block (3-8) is arranged in the limiting groove (3-7), a sliding shaft (3-9) is arranged on the sliding block (3-8), the sliding shaft (3-9) extends out of the limiting groove (3-7), and a moving wheel (3-10) is arranged on the sliding shaft (3-9).

3. A numerically controlled bending machine for track vehicle accessories with segmented bending, characterized in that, The compression switching component (4) includes a compression groove (4-1), which is formed on the upper end surface of the force-bearing platform (1). A walking wheel (4-2) is arranged in the compression groove (4-1). Wheel frames (4-3) are arranged at the opposite ends of the walking wheel (4-2). A support frame (4-4) is arranged on the upper end surface of the wheel frame (4-3). A pressure-receiving plate (4-5) is arranged on the upper end surface of the support frame (4-4), and a bending groove (4-6) is arranged on the upper end surface of the pressure-receiving plate (4-5).

4. A numerically controlled bending machine for track vehicle accessories with segmented bending, characterized in that, The number of the bending grooves (4-6) is several, and the groove depths between the multiple bending grooves (4-6) are all different.

5. A numerically controlled bending machine for track vehicle fittings with segmented bending, characterized in that, The sliding shaft (3-9) and the moving wheel (3-10) are movably connected through a bearing.

6. The numerically controlled bending machine for track vehicle fittings with segmented bending according to claim 1, characterized in that, A compression inclined surface (5) is arranged on the bottom surface of the lower pressing plate (3-3), and the compression inclined surface (5) is located on the opposite sides of the bottom of the lower pressing plate (3-3).

7. A numerically controlled bending machine for track vehicle accessories with segmented bending, characterized in that, A screwing cap (6) is arranged on the sliding shaft (3-9), and the screwing cap (6) is screwed to the sliding shaft (3-9) in a threaded manner. The screwing cap (6) is located in the limiting groove (3-7).

8. A numerically controlled bending machine for track vehicle accessories with segmented bending, characterized in that, A telescopic member (7) is arranged between the lower pressing plate (3-3) and the gantry (2).

9. A numerically controlled bending machine for track vehicle accessories with segmented bending, characterized in that, The telescopic member (7) includes a movable sleeve (7-1), which is arranged on the upper end surface of the lower pressing plate (3-3). A telescopic rod (7-2) is inserted into the movable sleeve (7-1), and the telescopic rod (7-2) is connected to the gantry (2).

10. A numerically controlled bending machine for track vehicle fittings with segmented bending, characterized in that, A long groove (7-3) is formed inside the movable sleeve (7-1). A limit disk (7-4) is arranged on the telescopic rod (7-2). A long block (7-5) is arranged on the limit disk (7-4). The long block (7-5) is embedded in the long groove (7-3).

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