Bending tool for bent pipe for railway vehicle
By designing adjustable bending and clamping components, bending tooling with heating boxes and discharge components, existing bending machines are solved for the problems of offset and inefficiency when dealing with bent pipes of different sizes and temperatures. More efficient pipe bending and automated operation are achieved.
Patent Information
- Application Number
- CN202420413740.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-05
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-03-05
AI Technical Summary
The existing bending machines are prone to offset when dealing with bent pipes of different sizes, and the bending difficulty is different under different temperature states, and require manual loading and unloading, so the working efficiency is low.
A bend tool for bending pipes for rail vehicles is designed, including adjustable bending components and clamping components, equipped with a heating box and a discharge component, which heats the steel pipes, clamping components and bending components through the heating components. Adjust to ensure fit and automatic loading and unloading through the discharge assembly.
Through adjustable bending components and clamping components, the offset during bending is reduced and the bending effect is improved; the heating components make the steel pipes heat up, making it easier to bending after softening; the discharge components reduce manual operation, improving the bending effect; Work efficiency.
Smart Images
Figure CN222491633U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of bending, and in particular relates to a bending tool for a bent pipe used in a rail vehicle. Background Art
[0002] Rail vehicles generally refer to vehicles such as subways, EMUs or high-speed trains. The carriages are equipped with facilities such as handrails, railings, seats, etc. These facilities will have various curved pipes with different curvatures, which need to be bent using a bending machine.
[0003] Existing bending machines generally bend steel pipes and the like through bending wheels, but the bending wheels are fixed structures and cannot be adjusted to ensure the fit of different sizes, which easily causes deviation during bending, resulting in poor bending effect; and the bending difficulty of steel pipes is different under different temperature conditions, and the existing bending machines do not have a structure for heating the pipes, and loading or unloading requires manual operation, resulting in low work efficiency. Utility Model Content
[0004] In order to solve the above problems, the utility model provides a bending tool for bent pipes for rail vehicles, including a main board, first connecting plates are fixedly connected to both sides of the surface of one end of the main board, a plurality of first rotating rollers are rotatably arranged between the two first connecting plates, support frames are fixedly connected to the top ends of the two first connecting plates, a heating box is fixedly connected between the two support frames and above the plurality of first rotating rollers, guide plates are fixedly connected to both sides of the surface of one end of the heating box, a heating component is arranged in the inner cavity of the heating box, a clamping component, a bending component and a resistance component are respectively arranged on the top end of the main board, and a discharging component is arranged on the rear end surface of the main board.
[0005] Preferably, the heating assembly includes a plurality of heating rods, two baffles and a heating tube, the plurality of heating rods are respectively arranged on both sides of the heating box, the two baffles are respectively arranged on both sides of the inner cavity of the heating box, and the heating tube is arranged in the middle of the heating box.
[0006] Preferably, a heat insulation plate is provided in the middle of the inner cavity of the heating box and above the heating tube, and batteries are fixedly connected to both sides of the top of the heat insulation plate and in the inner cavity of the heating box.
[0007] Preferably, the clamping assembly includes a first bidirectional screw, two first sliding blocks and two clamping wheels. The first bidirectional screw is rotatably arranged longitudinally through one side of the top of the main board. The two first sliding blocks are respectively slidably connected to the two ends of the surface of the first bidirectional screw, and the two clamping wheels are respectively rotatably connected to the top of the two first sliding blocks.
[0008] Preferably, the bending assembly includes a second bidirectional screw, two second sliding blocks and two bending wheels. The second bidirectional screw is rotatably and obliquely penetrated on the other side of the top of the main board. The two second sliding blocks are respectively slidably connected to the two ends of the surface of the second bidirectional screw, and the two bending wheels are respectively rotatably connected to the top of the two second sliding blocks.
[0009] Preferably, the interference assembly includes a screw rod, a third sliding block and a interference wheel, the screw rod is rotatably and laterally penetrates the top of the main board and is located behind the bending assembly, the third sliding block is slidably connected to the surface of the screw rod, and the interference wheel is rotatably connected to the top of the third sliding block.
[0010] Preferably, the discharging assembly includes two second connecting plates and a plurality of second rotating rollers, the two second connecting plates are respectively fixedly connected to both sides of the rear end surface of the main board, and the plurality of second rotating rollers are arranged between the two second connecting plates.
[0011] Preferably, the four corners of the rectangular bottom end of the mainboard are fixedly connected with support legs. Beneficial Effects
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] By setting up an adjustable bending component and a clamping component, the structure of the bending machine is no longer fixed, and can be adjusted to ensure the fit of different sizes, thereby reducing the occurrence of deviations during bending that lead to poor bending effects. A heating component is provided to heat and soften the material before bending, which allows for better bending. A discharging component is provided to reduce manual operations and increase work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the cross-sectional structure of the utility model in a top view;
[0015] Figure 2 It is a schematic diagram of the top view structure of the utility model;
[0016] Figure 3 It is a schematic diagram of a partial top view structure of the utility model;
[0017] In the figure: 1-main board, 2-first connecting plate, 3-first rotating roller, 4-support frame, 5-heating box, 6-guide plate, 7-heating rod, 8-baffle, 9-heating tube, 10-insulating plate, 11-battery, 12-first bidirectional screw, 13-clamping wheel, 14-second bidirectional screw, 15-bending wheel, 16-screw, 17-contact wheel, 18-second connecting plate, 19-second rotating roller. DETAILED DESCRIPTION
[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.
[0019] See also Figure 1-3 The utility model provides a technical solution: it includes a main board 1, first connecting plates 2 are fixedly connected to both sides of one end surface of the main board 1, a plurality of first rotating rollers 3 are rotatably arranged between the two first connecting plates 2, support frames 4 are fixedly connected to the top ends of the two first connecting plates 2, a heating box 5 is fixedly connected between the two support frames 4 and above the plurality of first rotating rollers 3, guide plates 6 are fixedly connected to both sides of one end surface of the heating box 5, a heating component is arranged in the inner cavity of the heating box 5, a clamping component, a bending component and a resistance component are respectively arranged on the top end of the main board 1, and a discharging component is arranged on the rear end surface of the main board 1.
[0020] The main board 1 is a polygon, and the lower left corner of the main board 1 when viewed from above is a cross-sectional shape, which is convenient for adjusting the spacing of the bending components, and the two support frames 4 are in a "7" shape, and their top horizontal parts are fixedly connected to the heating box 5. The clamping assembly is longitudinally arranged on one side of the top of the main board 1, the bending assembly is obliquely arranged on the other side of the top of the main board 1, and the resistance assembly is horizontally arranged at the rear end of the top of the main board 1.
[0021] The steel pipe is fed into the surface of the first rotating roller 3, and its rotation makes the steel pipe move forward. The steel pipe can be easily fed into the heating box 5 for heating through the guide plate 6, and is successively brought into the clamping assembly and the bending assembly with adjusted sizes to be bent into a curved pipe. The resistance assembly is used to limit the position, so that the bent pipe enters the discharging assembly, so that it can be discharged automatically.
[0022] By setting up an adjustable bending component and a clamping component, the structure of the bending machine is no longer fixed, and can be adjusted to ensure the fit of different sizes, thereby reducing the occurrence of deviations during bending that lead to poor bending effects. A heating component is provided to heat and soften the material before bending, which allows for better bending. A discharging component is provided to reduce manual operations and increase work efficiency.
[0023] Furthermore, the heating assembly includes multiple heating rods 7, two baffles 8 and a heating tube 9. The multiple heating rods 7 are respectively arranged on both sides of the heating box 5, the two baffles 8 are respectively arranged on both sides of the inner cavity of the heating box 5, and the heating tube 9 is arranged in the middle of the heating box 5.
[0024] In this embodiment, multiple heating rods 7 are respectively arranged on both sides of the heating box 5, and the top ends thereof are fixedly connected to the insulation board 10. Two baffles 8 are arranged on the inner sides of the multiple heating rods 7 and are also fixedly connected to the bottom surface of the insulation board 10 to block the heating rods 7. The heating tube 9 is fixedly connected to the bottom surface of the insulation board 10. The heating component can heat and soften it before bending, so that bending can be performed better.
[0025] Furthermore, a heat insulation board 10 is provided in the middle of the inner cavity of the heating box 5 and above the heating tube 9 , and batteries 11 are fixedly connected to both sides of the top of the heat insulation board 10 and in the inner cavity of the heating box 5 .
[0026] Furthermore, the clamping assembly includes a first bidirectional screw rod 12, two first sliding blocks and two clamping wheels 13. The first bidirectional screw rod 12 is rotatably arranged longitudinally through one side of the top of the main board 1. The two first sliding blocks are respectively slidably connected to the two ends of the surface of the first bidirectional screw rod 12, and the two clamping wheels 13 are respectively rotatably connected to the top of the two first sliding blocks.
[0027] In this embodiment, the clamping assembly can move the two clamping wheels 13 outward or inward at the same time by rotating the first bidirectional screw 12, so that the distance between them can be adjusted, which is convenient for clamping and transmitting steel pipes of different specifications.
[0028] Furthermore, the bending assembly includes a second bidirectional screw 14, two second sliding blocks and two bending wheels 15. The second bidirectional screw 14 is rotatably and obliquely penetrated on the other side of the top of the main board 1. The two second sliding blocks are respectively slidably connected to the two ends of the surface of the second bidirectional screw 14, and the two bending wheels 15 are respectively rotatably connected to the top of the two second sliding blocks.
[0029] In this embodiment, the bending assembly can move the two bending wheels 15 outward or inward at the same time by rotating the second bidirectional screw 14, so that the distance between them can be adjusted to ensure the fit of different sizes, thereby reducing the occurrence of poor bending effect caused by deviation during bending.
[0030] Furthermore, the resistance assembly includes a screw rod 16, a third sliding block and a resistance wheel 17. The screw rod 16 is rotatably disposed transversely through the top of the main board 1 and is located behind the bending assembly. The third sliding block is slidably connected to the surface of the screw rod 16, and the resistance wheel 17 is rotatably connected to the top of the third sliding block.
[0031] In this embodiment, the resistance component can be adjusted according to steel pipes of different specifications, so that after the steel pipe is turned into a bent pipe, it can be limited so that it can be sent into the discharging component, and the discharging component can transmit it to complete automatic discharging.
[0032] Furthermore, the discharging assembly includes two second connecting plates 18 and a plurality of second rotating rollers 19. The two second connecting plates 18 are respectively fixedly connected to both sides of the rear end surface of the main board 1. The plurality of second rotating rollers 19 are arranged between the two second connecting plates 18. The four corners of the rectangular bottom end of the main board 1 are fixedly connected with support legs.
[0033] The working principle and use process of the utility model: After the utility model is installed, the steel pipe is sent to the surface of the first rotating roller 3, and the steel pipe is moved forward by its rotation. The steel pipe can be easily sent to the heating box 5 for heating through the guide plate 6, and is successively brought into the clamping assembly and the bending assembly with adjusted sizes to be bent into a curved pipe, and the resistance assembly is used to limit the position so that the bent pipe enters the discharging assembly so that it can be discharged automatically.
[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A bending tool for a curved pipe for a rail vehicle, characterized in that: The invention comprises a main board (1), wherein first connecting plates (2) are fixedly connected to both sides of one end surface of the main board (1), a plurality of first rotating rollers (3) are rotatably arranged between the two first connecting plates (2), the top ends of the two first connecting plates (2) are fixedly connected to support frames (4), a heating box (5) is fixedly connected between the two support frames (4) and above the plurality of first rotating rollers (3), guide plates (6) are fixedly connected to both sides of one end surface of the heating box (5), a heating component is arranged in the inner cavity of the heating box (5), a clamping component, a bending component and a resistance component are respectively arranged at the top end of the main board (1), and a discharging component is arranged at the rear end surface of the main board (1).
2. A bending tool for a rail vehicle pipe according to claim 1, characterized in that: The heating assembly comprises a plurality of heating rods (7), two baffles (8) and a heating tube (9); the plurality of heating rods (7) are respectively arranged on both sides of the heating box (5); the two baffles (8) are respectively arranged on both sides of the inner cavity of the heating box (5); and the heating tube (9) is arranged in the middle of the heating box (5).
3. A bending tool for a rail vehicle pipe according to claim 2, characterized in that: A heat insulation board (10) is provided in the middle of the inner cavity of the heating box (5) and above the heating tube (9), and batteries (11) are fixedly connected to both sides of the top end of the heat insulation board (10) and located in the inner cavity of the heating box (5).
4. A bending tool for a rail vehicle pipe according to claim 1, characterized in that: The clamping assembly comprises a first bidirectional screw (12), two first sliding blocks and two clamping wheels (13); the first bidirectional screw (12) is rotatably arranged to penetrate longitudinally on one side of the top end of the main board (1); the two first sliding blocks are respectively slidably connected to the two ends of the surface of the first bidirectional screw (12); and the two clamping wheels (13) are respectively rotatably connected to the top ends of the two first sliding blocks.
5. The bending tool for a rail vehicle pipe according to claim 1, characterized in that: The bending assembly comprises a second bidirectional screw (14), two second sliding blocks and two bending wheels (15); the second bidirectional screw (14) is rotatably and obliquely penetrated through the other side of the top of the main board (1); the two second sliding blocks are respectively slidably connected to the two ends of the surface of the second bidirectional screw (14); and the two bending wheels (15) are respectively rotatably connected to the tops of the two second sliding blocks.
6. A bending tool for a rail vehicle pipe according to claim 1, characterized in that: The abutment assembly comprises a screw rod (16), a third sliding block and an abutment wheel (17); the screw rod (16) is rotatably and laterally penetrated through the top of the main board (1) and is located behind the bending assembly; the third sliding block is slidably connected to the surface of the screw rod (16); and the abutment wheel (17) is rotatably connected to the top of the third sliding block.
7. A bending tool for a rail vehicle pipe according to claim 1, characterized in that: The discharging assembly comprises two second connecting plates (18) and a plurality of second rotating rollers (19), wherein the two second connecting plates (18) are respectively fixedly connected to two sides of the rear end surface of the main board (1), and the plurality of second rotating rollers (19) are arranged between the two second connecting plates (18).
8. The bending tool for a rail vehicle pipe according to claim 1, characterized in that: The bottom end of the main board (1) is in a rectangular shape, and support legs are fixedly connected to the four corners.