Bending equipment for subway seat

Abstract

The utility model discloses bending equipment for a subway seat, and relates to the technical field of bending machining. The bending equipment for the metro seat comprises a machining table for bearing a to-be-machined plate and providing a stable operation plane; the bending assembly is mounted at the top of the machining table and applies pressure to the plate to bend and form the plate; the adjusting assembly is arranged at the end of the machining table and used for adjusting the position of the bending assembly; the clamping assembly is mounted on the machining table and the extension plate and used for fixing the two ends of the plate; the extension plate is slidably mounted at the left end of the machining table and can slide along with deformation of the plate, and it is ensured that the clamping assembly stably fixes the plate. The extension plate can slide along the machining table to drive the clamping assembly on the extension plate to synchronously adjust the position and compensate the length change generated by steel deformation, stable clamping of the two ends of the steel is kept all the time, and the problem of steel displacement caused by clamping failure is avoided.

Description

Technical Field

[0001] This utility model relates to the field of bending processing technology, specifically a bending device for subway seats. Background Technology

[0002] With the rapid development of urban rail transit, the safety, comfort, and durability of subways, as a high-capacity and high-efficiency public transportation tool, have attracted much attention. As a key component that passengers come into direct contact with, subway seats not only need to have good ergonomic design, but also need to meet stringent standards such as high strength, lightweight, fire resistance, and corrosion resistance.

[0003] Publication No. CN221817086U discloses a bending device for seat processing with a cooling function. This bending device includes a base plate, two support plates fixedly connected to the top of the base plate, a top plate fixedly connected to the top of the support plates, a hydraulic telescopic rod at the bottom of the top plate, a pressure block fixedly connected to the bottom of the top rod of the hydraulic telescopic rod, and a cooling mechanism on the outside of the top rod of the hydraulic telescopic rod. The cooling mechanism is used to reduce the temperature at the bend of the pipe. A rotating roller is inserted inside the support plate, and a pipe is placed on top of the rotating roller. The cooling mechanism includes a fixing block fixedly connected to the outside of the top rod of the hydraulic telescopic rod. In actual use, this device introduces internal stress during the bending and forming process of the pipe, which may lead to deformation or fatigue of the parts in subsequent use.

[0004] As shown in the above technical solution, although the device reduces the temperature at the bend of the pipe through the cooling mechanism, which alleviates the problem of local deformation caused by high temperature to a certain extent, when pressure is applied to the steel to make it bend, the two ends of the steel will have a tendency to shift due to deformation. During the shift, the steel may slide relative to the clamping parts or the processing table, resulting in defects such as scratches and wear on the surface of the steel, which affects the appearance quality of the finished subway seats. Utility Model Content

[0005] To address the shortcomings of existing technologies, this invention provides a bending device for subway seats, which solves the problem of relative sliding between the steel and the clamping components during the bending process.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a bending device for subway seats, comprising:

[0007] The processing table is used to support the sheet metal to be processed for the subway seats, providing a stable operating surface for the entire bending process;

[0008] A bending assembly is installed on the top of the processing table. The bending assembly is used to apply pressure to the subway seat sheet material placed on the processing table, so that it is bent into shape according to a preset angle and shape.

[0009] An adjustment component is installed at the end of the processing table and is used to adjust the position of the bending component;

[0010] A clamping assembly is mounted on the processing table and is used to fix both ends of the subway seat plate.

[0011] An extension plate is slidably mounted on the left end of the processing table. A set of clamping components is provided on the extension plate. The sliding arrangement of the extension plate allows the clamping components to firmly fix both ends of the subway seat material when it is bent.

[0012] Preferably, the two clamping assemblies include two slide grooves, which are formed on the top of the processing table and the extension plate. A bidirectional lead screw is rotatably installed in the slide groove, and clamping plates are threaded onto both ends of the bidirectional lead screw. The two clamping plates are slidably installed in the slide groove, and clamping cotton is installed on the opposite sides of the two clamping plates. A first motor is fixedly installed in the processing table and the extension plate, and the output end of the first motor is fixedly connected to the bidirectional lead screw.

[0013] Preferably, the adjustment assembly includes an adjustment guide rail, which is fixedly mounted on the processing table. The bending assembly is slidably mounted on the adjustment guide rail. A lead screw is rotatably mounted inside the adjustment guide rail. The bending assembly is threaded onto the lead screw. A second motor is fixedly mounted on one end of the adjustment guide rail. The output end of the second motor passes through the adjustment guide rail and is fixedly connected to the lead screw.

[0014] Preferably, the bending assembly includes a mounting component, which is threaded onto the lead screw. The mounting component has a through groove, and a mounting block is slidably mounted in the groove. An electric telescopic rod is fixedly mounted on the mounting block, and a bending component is mounted on the output end of the electric telescopic rod. A lifting cylinder is fixedly mounted on the top of the mounting component, and the output end of the lifting cylinder passes through the mounting component and is fixedly connected to the mounting block.

[0015] Preferably, the lifting cylinder has a threaded groove, and the end of the bending member is fixedly installed with a mounting cylinder that matches the threaded groove. The bending member is movably connected to the electric telescopic rod through the mounting cylinder.

[0016] Preferably, a set of the bending assembly and the adjusting assembly are provided at both the front and rear ends of the processing table.

[0017] Beneficial effects

[0018] This invention provides a bending device for subway seats. Compared with the prior art, it has the following advantages:

[0019] 1. This bending equipment for subway seats can bend steel by applying pressure. When the steel is bent, the two ends of the steel will tend to shift due to deformation. The extension plate can slide along the processing table, which will drive the clamping components on it to adjust their positions synchronously, compensate for the length changes caused by the deformation of the steel, and always maintain stable clamping of the two ends of the steel, avoiding the problem of steel displacement due to clamping failure.

[0020] 2. The bending equipment for subway seats features a threaded groove and mounting cylinder design, which makes the process of changing bent parts simple and quick, without the need for complex tools. This significantly shortens the mold changeover time, allows for rapid switching between different bending shapes, improves the equipment's ability to process and adapt to various subway seat styles, and effectively enhances production efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the bending component and the adjusting component in this utility model;

[0023] Figure 3 This is a schematic diagram of the clamping component in this utility model;

[0024] Figure 4 This is a schematic diagram showing the disassembly of the electric telescopic rod and the bending component in this utility model.

[0025] In the diagram: 1. Processing table; 2. Bending assembly; 21. Mounting component; 22. Through groove; 23. Mounting block; 24. Electric telescopic rod; 25. Bending component; 26. Lifting cylinder; 3. Clamping assembly; 31. Slide groove; 32. Two-way lead screw; 33. Clamping plate; 34. Clamping cotton; 35. First motor; 4. Extension plate; 5. Adjustment assembly; 51. Adjustment guide rail; 52. Lead screw; 53. Second motor; 6. Threaded groove; 7. Mounting cylinder. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] See Figures 1-4 This utility model provides the following two technical solutions:

[0028] First embodiment: A bending device for subway seats, comprising:

[0029] Processing table 1 is used to support the sheet metal to be processed for subway seats, providing a stable operating surface for the entire bending process;

[0030] Bending assembly 2 is installed on the top of processing table 1. Bending assembly 2 includes mounting part 21, which is threaded onto lead screw 52. A through groove 22 is opened on mounting part 21, and mounting block 23 is slidably installed in the through groove 22. An electric telescopic rod 24 is fixedly installed on mounting block 23. A bending part 25 is installed at the output end of electric telescopic rod 24. A lifting cylinder 26 is fixedly installed on the top of mounting part 21. The output end of lifting cylinder 26 passes through mounting part 21 and is fixedly connected to mounting block 23. Bending assembly 2 is used to apply pressure to subway seat material placed on processing table 1, so that it is bent and formed according to a preset angle and shape.

[0031] Adjustment component 5 is installed at the end of processing table 1. Adjustment component 5 includes adjustment guide rail 51, which is fixedly installed on processing table 1. Bending component 2 is slidably installed on adjustment guide rail 51. Lead screw 52 is rotatably installed inside adjustment guide rail 51. Bending component 2 is threaded onto lead screw 52. A second motor 53 is fixedly installed at one end of adjustment guide rail 51. The output end of the second motor 53 passes through adjustment guide rail 51 and is fixedly connected to lead screw 52. Adjustment component 5 is used to adjust the position of bending component 2.

[0032] Clamping assembly 3 is installed on processing table 1 and is used to fix both ends of the subway seat plate.

[0033] Extension plate 4 is slidably installed on the left end of processing table 1. A set of clamping components 3 is provided on extension plate 4. The sliding arrangement of extension plate 4 allows clamping components 3 to firmly fix both ends of subway seat material when it is bent.

[0034] The two clamping assemblies 3 include two slides 31, which are formed on the top of the processing table 1 and the extension plate 4. A bidirectional lead screw 32 is rotatably installed in the slides 31. Clamping plates 33 are threadedly installed at both ends of the bidirectional lead screw 32. The two clamping plates 33 are slidably installed in the slides 31. Clamping cotton 34 is installed on the opposite sides of the two clamping plates 33. A first motor 35 is fixedly installed in the processing table 1 and the extension plate 4. The output end of the first motor 35 is fixedly connected to the bidirectional lead screw 32.

[0035] When it is necessary to fix the subway seat material, the first motor 35 is started, and its output end drives the bidirectional lead screw 32 to rotate. Since the threads at both ends of the bidirectional lead screw 32 are opposite, the two clamping plates 33, which are threaded to the bidirectional lead screw 32, slide relative to each other in the slide groove 31, gradually approaching the ends of the material. The clamping cotton 34 increases the friction to ensure that the material is firmly clamped and prevents the material from shifting during bending. After the second motor 53 is started, its output end drives the lead screw 52 to rotate in the adjusting guide rail 51. The bending component 2 is threaded to the lead screw 52 through the mounting part 21. When the lead screw 52 rotates, the mounting part 21 slides along the guiding direction of the adjusting guide rail 51 to adjust the horizontal position of the bending component 2 to adapt to the bending requirements of different specifications of materials. The lifting cylinder 26 can push the mounting block 23 to slide up and down in the through groove 22 to adjust the height of the bending component 25. The electric telescopic rod 24 extends or shortens, driving the bending component 25 to apply pressure to the material. Combined with the preset bending angle and shape, the bending processing of the subway seat material is realized.

[0036] In this embodiment, when the bending assembly 2 applies pressure to the steel to bend it, the two ends of the steel will tend to shift due to deformation. The extension plate 4 can slide along the processing table 1, driving the clamping assembly 3 on it to adjust its position synchronously, compensating for the length change caused by the deformation of the steel, and always maintaining stable clamping of the two ends of the steel, avoiding the problem of steel displacement due to clamping failure. The bidirectional screw 32 structure of the clamping assembly 3 enables the plate to be fixed quickly and accurately, reducing manual positioning errors and time. The adjustment assembly 5 can flexibly adjust the position of the bending assembly 2 to adapt to various specifications of plates, improve the versatility of the equipment, reduce mold change time, and improve processing efficiency. The bending assembly 2, through the cooperation of the lifting cylinder 26 and the electric telescopic rod 24, can accurately control the position and pressure of the bending part 25, ensuring that the plate is bent according to the preset angle and shape, ensuring the processing accuracy of the subway seat parts, and improving product quality.

[0037] The second embodiment differs from the first embodiment in that: the lifting cylinder 26 is provided with a threaded groove 6, and the end of the bending member 25 is fixedly installed with a mounting cylinder 7 that matches the threaded groove 6. The bending member 25 is movably connected to the electric telescopic rod 24 through the mounting cylinder 7.

[0038] A set of bending assembly 2 and adjusting assembly 5 are provided at both the front and rear ends of the processing table 1.

[0039] The threaded groove 6 on the lifting cylinder 26 matches the mounting sleeve 7 at the end of the bending part 25. The bending part 25 and the electric telescopic rod 24 are connected by screwing. When changing to a different shape of bending part 25, the mounting sleeve 7 can be unscrewed to quickly disassemble and install the new bending part 25, which facilitates the adjustment of the bending shape. At the same time, the threaded connection ensures the stability of the connection between the bending part 25 and the electric telescopic rod 24 during the bending process, ensuring stable pressure transmission. A bending assembly 2 and an adjustment assembly 5 are set at both the front and rear ends of the processing table 1. The two sets of assemblies can operate synchronously or asynchronously during operation. When it is necessary to perform symmetrical bending or complex shape bending of the subway seat material, the two sets of bending assemblies 2 can apply pressure from both the front and rear ends at the same time. The adjustment assembly 5 can be used to adjust the position and precisely control the degree and angle of deformation of the material. If only one side needs to be bent, a single set of assemblies can also be used to flexibly adapt to diverse processing needs.

[0040] In this embodiment, the design of the threaded groove 6 and the mounting cylinder 7 makes the replacement process of the bent part 25 simple and quick, without the need for complex tools, significantly shortening the mold changeover time. It enables rapid switching between different bending shapes, improves the equipment's processing adaptability to various subway seat styles, and effectively enhances production efficiency. The layout of the two components at the front and rear ends enhances the equipment's processing capability for complex-shaped subway seat panels. Through the coordinated operation of the two sets of components, complex processes such as symmetrical bending and multi-angle bending can be achieved, accurately shaping the required seat component shape, meeting diverse product design requirements, and improving product design flexibility and market competitiveness.

[0041] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0042] In use, the subway seat panel to be processed is placed stably on the processing table 1. The extension plate 4 is adjusted to its extension length according to the panel length, ensuring both ends of the panel are positioned appropriately above the processing table 1 and the extension plate 4. The first motor 35 is started, its output driving the bidirectional lead screw 32 to rotate. Since the threads at both ends of the bidirectional lead screw 32 are opposite, the two clamping plates 33 slide relative to each other within the groove 31, gradually approaching and clamping the ends of the panel. The clamping cotton 34 increases friction, ensuring the panel is firmly fixed and preventing displacement during subsequent bending. According to the panel specifications and bending requirements, the second motor 53 is started, driving the lead screw 52 to rotate within the adjusting guide rail 51. The bending assembly 2, threadedly connected to the lead screw 52, ​​slides along the adjusting guide rail 51 via the mounting piece 21, adjusting to a suitable horizontal position. If further adjustment is needed... To adjust the height of the bent piece 25, the lifting cylinder 26 is activated, and its output end pushes the mounting block 23 to slide up and down in the through groove 22, moving the bent piece 25 to the required height. The electric telescopic rod 24 is activated, and its output end drives the bent piece 25 to apply pressure to the sheet metal. Combined with the preset bending angle and shape, the subway seat sheet metal is bent and shaped. If symmetrical bending or complex shape bending is required, the bending components 2 and adjusting components 5 at both ends can be activated simultaneously. The two sets of components operate synchronously or asynchronously to precisely control the deformation of the sheet metal. When it is necessary to replace the bent piece 25 with a different shape, the mounting cylinder 7 at the end of the bent piece 25 is unscrewed and removed from the threaded groove 6 of the lifting cylinder 26. A new bent piece 25 is installed and fixed by screwing on the thread, quickly completing the mold change and preparing for the next bending process of a different shape.

[0043] 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 process, method, article, or apparatus.

[0044] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bending device for subway seats, characterized in that, include: The processing table is used to support the sheet metal to be processed for the subway seats, providing a stable operating surface for the entire bending process; A bending assembly is installed on the top of the processing table. The bending assembly is used to apply pressure to the subway seat sheet material placed on the processing table, so that it is bent into shape according to a preset angle and shape. An adjustment component is installed at the end of the processing table and is used to adjust the position of the bending component; A clamping assembly is mounted on the processing table and is used to fix both ends of the subway seat plate. An extension plate is slidably mounted on the left end of the processing table. A set of clamping components is provided on the extension plate. The sliding arrangement of the extension plate allows the clamping components to firmly fix both ends of the subway seat material when it is bent.

2. The bending device for subway seats according to claim 1, characterized in that: The two clamping assemblies include two slide grooves formed on the top of the processing table and the extension plate. A bidirectional lead screw is rotatably installed in the slide groove, and clamping plates are threaded onto both ends of the bidirectional lead screw. Both clamping plates are slidably installed in the slide grooves, and clamping cotton is installed on the opposite sides of the two clamping plates. A first motor is fixedly installed in the processing table and the extension plate, and the output end of the first motor is fixedly connected to the bidirectional lead screw.

3. A bending device for subway seats according to claim 2, characterized in that: The adjustment assembly includes an adjustment guide rail, which is fixedly mounted on the processing table. The bending assembly is slidably mounted on the adjustment guide rail. A lead screw is rotatably mounted inside the adjustment guide rail. The bending assembly is threaded onto the lead screw. A second motor is fixedly mounted at one end of the adjustment guide rail. The output end of the second motor passes through the adjustment guide rail and is fixedly connected to the lead screw.

4. A bending device for subway seats according to claim 3, characterized in that: The bending assembly includes a mounting component threaded onto the lead screw. The mounting component has a through groove, and a mounting block is slidably mounted in the groove. An electric telescopic rod is fixedly mounted on the mounting block, and a bending component is mounted on the output end of the electric telescopic rod. A lifting cylinder is fixedly mounted on the top of the mounting component, and the output end of the lifting cylinder passes through the mounting component and is fixedly connected to the mounting block.

5. A bending device for subway seats according to claim 4, characterized in that: The lifting cylinder has a threaded groove, and the end of the bending member is fixedly installed with a mounting cylinder that matches the threaded groove. The bending member is movably connected to the electric telescopic rod through the mounting cylinder.

6. A bending device for subway seats according to claim 5, characterized in that: The bending assembly and the adjusting assembly are each provided at both the front and rear ends of the processing table.

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