Flexible feeding device of pipe bending machine
By using a flexible feeding device with multi-point clamping and auxiliary resistance, the stability and accuracy problems of thin-walled long pipes during bending are solved, and high-precision processing of pipe bending machines is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-04-07
AI Technical Summary
Existing pipe bending machine feeding devices are prone to bending due to stress between the clamping point and the bending point when clamping thin-walled long pipes. Furthermore, the line contact method results in excessive clamping force, which can easily lead to collapse and affect processing accuracy.
A flexible feeding device is adopted, which realizes the rotational movement of the sliding sleeve and the rotating ring through the cooperation of motor No. 1 and motor No. 2. The T-shaped clamp and the elasticity of the rubber sleeve are used for multi-point clamping, which is converted into surface contact, disperses the contact force, and provides auxiliary resistance through electric push rod to ensure the stability of the pipe.
It improves the stability and precision of the pipe during bending, avoids collapse at the clamping point, and enhances the processing accuracy of the pipe bending machine.
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Figure CN224087799U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a pipe bender technical field, specifically a flexible feeding device of pipe bender. BACKGROUND
[0002] The pipe bender is very widely used, and the processed products involve various metal bent pipes on automobiles, airplanes and trains, various bent pipes of medical production equipment, various bent pipes used on power generation boiler systems and the like, and no matter which industry is used, with the progress of science and technology, various equipment develops towards fine, the quality and bending precision of the bent pipe are required higher and higher, which also makes the processing precision of the pipe bender higher and higher, and the feeding device as an important part of the pipe bender plays a crucial role in improving the processing precision.
[0003] The existing pipe bender feeding device is easy to bend in the middle of the pipe material clamping place and the bending place when the pipe material is clamped and fixed at one end when the pipe material is long and the pipe wall is thin, and when the feeding device clamps the pipe material, in order to clamp the pipe material of different diameters, the contact mode of the clamping mechanism and the pipe material is usually linear contact, and the clamping place is easy to bend and collapse when bending, resulting in deformation of the pipe material. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a flexible feeding device of pipe bender to solve the problems in the above background.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A flexible feeding device of pipe bender, including the guide rail that sets up on the upper surface of pipe bender, the feeding mechanism is slidably arranged outside the guide rail, the upper surface of pipe bender is provided with auxiliary mechanism, the auxiliary mechanism includes:
[0007] The moving assembly is arranged on one side of the feeding mechanism, and the moving assembly includes a sliding table slidably connected to the outer side of the guide rail.
[0008] The fixing assembly is movably arranged above the sliding table, and the fixing assembly includes a mounting frame, a fixing ring is fixedly installed inside the mounting frame, a plurality of sliding grooves are formed at equal angles on one side surface of the fixing ring, a sliding block is slidably connected inside the sliding groove, and a T-shaped clamping rod is fixedly installed on one side surface of the sliding block.
[0009] The adjusting assembly is arranged above the sliding table.
[0010] Further, a rubber sleeve is fixedly sleeved on the end of the T-shaped clamping rod, a plurality of reinforcing rings are fixedly installed at equal angles on one side surface of the fixing ring, and the T-shaped clamping rod slidably penetrates the reinforcing ring at the corresponding position.
[0011] Furthermore, a lead screw is fixedly installed on the upper surface of the pipe bending machine via a bracket, a fixed frame is fixedly installed on the lower surface of the slide table, a sliding sleeve is rotatably connected inside the fixed frame, and the lead screw passes through the sliding sleeve and is screwed into the sliding sleeve.
[0012] Preferably, a No. 1 motor is fixedly installed on the upper surface of the slide, a No. 1 gear is fixedly installed at the output end of the No. 1 motor, a No. 2 gear is fixedly installed on the outer side of the slide sleeve, and the No. 1 gear passes through the slide and meshes with the No. 2 gear for transmission.
[0013] Furthermore, a rotating ring is rotatably connected inside the mounting frame, and multiple arc-shaped grooves are formed at equal angles on one side surface of the rotating ring. One end of the slider passes through the groove and is slidably connected to the arc-shaped groove.
[0014] Preferably, the adjustment component includes:
[0015] Motor No. 2 is fixedly installed on one side of the fixing ring.
[0016] Gear No. 3 is fixedly installed at the output end of motor No. 2;
[0017] An incomplete gear is fixedly mounted on the outer surface of the swivel.
[0018] Preferably, the third gear meshes with the incomplete gear for transmission; multiple slide rods are symmetrically fixedly installed on the upper surface of the slide platform; the slide rods slide through the mounting frame; an electric push rod is fixedly installed on the upper surface of the slide platform; and the output end of the electric push rod is fixedly connected to the mounting frame.
[0019] Compared with the prior art, the beneficial effects of this utility model are:
[0020] 1. By operating motor number one, the sliding sleeve rotates inside the fixed frame. When the lead screw does not rotate, the sliding sleeve moves along the lead screw to adjust the position of the fixing component, so that the fixing component can clamp and fix the pipe at different positions.
[0021] 2. The second motor operates, causing the incomplete gear to drive the rotating ring. The arc-shaped groove pushes the slider to slide inside the groove, causing multiple T-shaped clamps to move towards the center of the fixed ring. This clamps the pipe passing through the fixed ring. Through the elasticity of the rubber sleeve itself, the rubber sleeve deforms when it presses against the pipe, changing the line contact to contactless contact. At the same time, the clamping by the six T-shaped clamps increases both the contact points and the contact area, dispersing the force on the contact points. Thus, when bending long pipes, the pipe is clamped near the bend, ensuring that both the end of the pipe and the area near the bend are clamped and fixed. This avoids the problem of the long distance between the clamping point and the bend when the pipe is long and the wall is thin, which would cause the pipe to bend under stress. At the same time, by increasing the number of clamping points, the force on a single clamping point is dispersed, preventing the clamping point from being too strong and collapsing, and reducing the impact of bending on the shape of the pipe.
[0022] 3. The electric push rod retracts and adjusts the center point of the fixing component. This allows the pipe to be clamped and fixed at a position far from the bending point, providing a force opposite to the bending direction to assist in pushing the pipe, preventing it from bending under stress, and improving the stability of the pipe during bending. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0024] Figure 2 This is a schematic diagram of the fixed component and the movable component in this utility model;
[0025] Figure 3 This is a side sectional view of the mounting frame and slide bar in this utility model;
[0026] Figure 4 This is a schematic diagram of the disassembled structure of the fixing component in this utility model;
[0027] Figure 5 This is a schematic diagram of the vertical cross-sectional structure of the fixed component and the movable component in this utility model.
[0028] In the diagram: 1. Pipe bending machine; 101. Feeding mechanism; 102. Guide rail; 2. Moving component; 201. Slide table; 202. Motor No. 1; 203. Gear No. 1; 204. Lead screw; 205. Fixing frame; 206. Sliding sleeve; 207. Gear No. 2; 3. Fixing component; 301. Mounting frame; 302. Fixing ring; 303. Rotary ring; 304. Slide groove; 305. Arc groove; 306. Sliding block; 307. T-shaped clamp; 308. Reinforcing ring; 4. Adjusting component; 401. Motor No. 2; 402. Gear No. 3; 403. Incomplete gear; 404. Slide rod; 405. Electric push rod. Detailed Implementation
[0029] 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.
[0030] Please see Figures 1-5 In this embodiment of the present invention, a flexible feeding device for a pipe bending machine includes a guide rail 102 disposed on the upper surface of the pipe bending machine 1, a feeding mechanism 101 slidably disposed on the outer side of the guide rail 102, and an auxiliary mechanism disposed on the upper surface of the pipe bending machine 1. The auxiliary mechanism includes: a moving component 2 disposed on one side of the feeding mechanism 101, the moving component 2 including a slide table 201 slidably connected to the outer side of the guide rail 102, a fixing component 3 movably disposed above the slide table 201, the fixing component 3 including a mounting frame 301, a fixing ring 302 fixedly installed inside the mounting frame 301, a plurality of sliding grooves 304 equally angledly opened on one side surface of the fixing ring 302, a slider 306 slidably connected inside the sliding grooves 304, a T-shaped clamping rod 307 fixedly installed on one side surface of the slider 306, and an adjusting component 4 disposed above the slide table 201.
[0031] Specifically, the slide table 201 slides along the guide rail 102 to adjust the position of the fixing component 3 so that the fixing component 3 clamps and fixes the pipe at different positions. After the fixing component 3 clamps the pipe, the adjusting component 4 allows the fixing component 3 to move so that it provides an auxiliary resistance to the pipe subjected to bending force.
[0032] Example 1
[0033] like Figure 2 , Figure 3 and Figure 5 As shown, in this embodiment, a lead screw 204 is fixedly installed on the upper surface of the pipe bending machine 1 via a bracket, and a fixed frame 205 is fixedly installed on the lower surface of the slide table 201. A sliding sleeve 206 is rotatably connected inside the fixed frame 205. The lead screw 204 passes through the sliding sleeve 206 and is screwed into the sliding sleeve 206. A first motor 202 is fixedly installed on the upper surface of the slide table 201. A first gear 203 is fixedly installed at the output end of the first motor 202. A second gear 207 is fixedly installed on the outside of the sliding sleeve 206. The first gear 203 passes through the slide table 201 and meshes with the second gear 207 for transmission.
[0034] In this embodiment, the first motor 202 operates, driving the first gear 203 to rotate. Through the meshing transmission of the first gear 203 and the second gear 207, the sliding sleeve 206 rotates inside the fixed frame 205. The sliding sleeve 206 is screwed into the lead screw 204, and through the sliding limit of the slide table 201 and the guide rail 102, the sliding sleeve 206 rotates and moves along the lead screw 204 when the lead screw 204 does not rotate, adjusting the position of the fixing component 3 so that the fixing component 3 can clamp and fix the pipe at different positions.
[0035] like Figure 3 and Figure 4 As shown, in this embodiment, the adjustment component 4 includes: a second motor 401 fixedly installed on one side surface of the fixed ring 302; a third gear 402 fixedly installed on the output end of the second motor 401; an incomplete gear 403 fixedly installed on the outer surface of the rotating ring 303; the third gear 402 and the incomplete gear 403 mesh and are connected for transmission; a rotating ring 303 is rotatably connected inside the mounting frame 301; a plurality of arc-shaped grooves 305 are opened at equal angles on one side surface of the rotating ring 303; one end of the slider 306 passes through the sliding groove 304 and is slidably connected to the arc-shaped groove 305; a rubber sleeve is fixedly fitted at the end of the T-shaped clamp 307; a plurality of reinforcing rings 308 are fixedly installed at equal angles on one side surface of the fixed ring 302; the T-shaped clamp 307 slides through the reinforcing rings 308 at corresponding positions.
[0036] In practice, motor 401 operates, driving gear 402 to rotate. Through the meshing transmission between gear 402 and incomplete gear 403, incomplete gear 403 drives rotating ring 303 to rotate. When rotating ring 303 rotates, arc groove 305 pushes slider 306 to slide inside groove 304, causing multiple T-shaped clamping rods 307 to move towards the center of fixed ring 302, clamping the pipe passing through the inside of fixed ring 302. Through the elasticity of the rubber sleeve itself, when the rubber sleeve abuts against the pipe, the rubber sleeve deforms, changing line contact to contactless contact. The system utilizes six T-shaped clamps 307 to increase both the contact points and the contact area, dispersing the force at the contact points. This allows for clamping of the pipe near the bend when bending longer pipes, ensuring that both the end of the pipe and the area near the bend are held in place. This prevents the pipe from bending due to the long distance between the clamping point and the bend when the pipe is long and the wall is thin. Furthermore, by increasing the number of clamping points, the force at a single clamping point is dispersed, preventing excessive force at the clamping point from causing bending and collapse, and reducing the impact of bending on the pipe's shape.
[0037] Example 2
[0038] Based on Embodiment 1, in order to compensate for the problem that the fixing component can easily cause the pipe to bend when clamping and fixing some pipes with bending angles at positions far from the bending point.
[0039] like Figure 3 As shown, in this embodiment, multiple slide rods 404 are symmetrically fixedly installed on the upper surface of the slide table 201. The slide rods 404 slide through the mounting frame 301. An electric push rod 405 is fixedly installed on the upper surface of the slide table 201. The output end of the electric push rod 405 is fixedly connected to the mounting frame 301.
[0040] In practice, the electric push rod 405 retracts, causing the mounting frame 301 to slide outside the slide rod 404. After the pipe is fixed by the fixing component 3, the center point of the fixing component 3 is adjusted to provide a force opposite to the bending direction when the pipe is clamped and fixed at a position far from the bending point. This helps to push the pipe, prevents the pipe from bending under force, and improves the stability of the pipe when bending.
[0041] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
[0042] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.
Claims
1. A flexible feeding device for a pipe bending machine, comprising a guide rail (102) disposed on the upper surface of the pipe bending machine (1), wherein a feeding mechanism (101) is slidably disposed on the outer side of the guide rail (102), characterized in that, The upper surface of the pipe bending machine (1) is provided with an auxiliary mechanism, which includes: A moving component (2) is disposed on one side of the feeding mechanism (101), the moving component (2) including a slide table (201) slidably connected to the outside of the guide rail (102); A fixing component (3) is movably mounted above the slide table (201). The fixing component (3) includes a mounting frame (301). A fixing ring (302) is fixedly mounted inside the mounting frame (301). A plurality of sliding grooves (304) are opened at equal angles on one side surface of the fixing ring (302). A slider (306) is slidably connected inside the sliding groove (304). A T-shaped clamp (307) is fixedly mounted on one side surface of the slider (306). Adjustment component (4) is located above slide (201).
2. The flexible feeding device for the pipe bending machine according to claim 1, characterized in that, The end of the T-shaped clamp (307) is fixedly fitted with a rubber sleeve, and multiple reinforcing rings (308) are fixedly installed at equal angles on one side surface of the fixing ring (302). The T-shaped clamp (307) slides through the reinforcing ring (308) at the corresponding position.
3. The flexible feeding device for the pipe bending machine according to claim 1, characterized in that, The upper surface of the pipe bending machine (1) is fixedly mounted with a lead screw (204) by a bracket, and the lower surface of the slide table (201) is fixedly mounted with a fixed frame (205). The fixed frame (205) is rotatably connected with a sliding sleeve (206). The lead screw (204) passes through the sliding sleeve (206) and is screwed into the sliding sleeve (206).
4. The flexible feeding device for the pipe bending machine according to claim 3, characterized in that, A first motor (202) is fixedly installed on the upper surface of the slide (201). A first gear (203) is fixedly installed at the output end of the first motor (202). A second gear (207) is fixedly installed on the outside of the slide sleeve (206). The first gear (203) passes through the slide (201) and meshes with the second gear (207) for transmission.
5. The flexible feeding device for the pipe bending machine according to claim 1, characterized in that, The mounting frame (301) is rotatably connected to a rotating ring (303). Multiple arc-shaped grooves (305) are opened at equal angles on one side surface of the rotating ring (303). One end of the slider (306) passes through the sliding groove (304) and is slidably connected to the arc-shaped groove (305).
6. The flexible feeding device for the pipe bending machine according to claim 5, characterized in that, The adjustment component (4) includes: The second motor (401) is fixedly installed on one side surface of the fixing ring (302); Gear No. 3 (402) is fixedly installed at the output end of motor No. 2 (401); An incomplete gear (403) is fixedly mounted on the outer surface of the swivel (303).
7. The flexible feeding device for the pipe bending machine according to claim 6, characterized in that, The third gear (402) meshes with the incomplete gear (403) for transmission. Multiple slide rods (404) are symmetrically fixedly installed on the upper surface of the slide table (201). The slide rods (404) slide through the mounting frame (301). An electric push rod (405) is fixedly installed on the upper surface of the slide table (201). The output end of the electric push rod (405) is fixedly connected to the mounting frame (301).