CN220426596U - Pipe bending machine with protective structure - Google Patents

Abstract

The utility model relates to the technical field of pipe bending machines and discloses a pipe bending machine with a protection structure, which comprises a workbench and a bending mechanism, wherein the upper surface of the workbench is provided with a pushing detection mechanism, the lower surface of the workbench is provided with an anti-rebound mechanism, the pushing detection mechanism comprises a pushing motor, pushing rollers and an encoder, the pushing rollers are arranged in pairs, the pushing rollers are connected with the pushing motor, the encoder is electrically connected with the pushing motor, the anti-rebound mechanism comprises an electric push rod and an anti-rebound block, the anti-rebound block is connected with the electric push rod, and the workbench is provided with a through hole for the anti-rebound block to pass through. The bending length can be uniform, and the pipe, the section bar or the bar can be prevented from rebounding after bending.

Description

Pipe bending machine with protective structure

Technical Field

The utility model relates to the technical field of pipe bending machines, in particular to a pipe bending machine with a protection structure.

Background

The pipe bender can bend various pipes, sectional materials and bars, the existing pipe bender generally bends the pipes around an arc-shaped track through bending rollers, the pipes need to be placed for a certain distance, then bending treatment is started, but the bending rollers tend to move only along a certain section of the pipes, the bending length is affected by the distance of placing the pipes, and when the placed distance is not standard, the obtained products are not in accordance with the standard.

When the bending work is finished, the tail end of the pipe is reset at the bending roller, the pipe needs to be manually taken down, rebound easily occurs in the process, accidents are caused, and safety production is not facilitated.

Disclosure of Invention

The utility model aims to solve the technical problem of overcoming the defects in the prior art and providing the pipe bender with the protection structure, which can unify bending lengths and prevent pipes, profiles or bars from rebounding after bending.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a bending machine with protective structure, includes workstation and bending mechanism, the upper surface of workstation is equipped with advances detection mechanism, the lower surface of workstation is equipped with prevents resilience mechanism, advance detection mechanism includes propulsion motor, propulsion gyro wheel and encoder, it sets up in pairs to advance the gyro wheel, it is connected with propulsion motor to advance the gyro wheel, the encoder with propulsion motor electric connection, prevent resilience mechanism includes electric putter and prevents the rebound piece, prevent that the rebound piece is connected with electric putter, be equipped with the through-hole that supplies to prevent that the rebound piece passed on the workstation.

In one alternative: the bending mechanism comprises a central rotating shaft, a synchronizing rod and bending rollers, wherein the bending rollers are arranged in pairs, the bending rollers are arranged on the synchronizing rod, and the synchronizing rod is rotatably connected with the central rotating shaft.

In one alternative: the bending roller comprises a first bending roller and a second bending roller, a first sliding rail and a second sliding rail are arranged on the workbench, the first bending roller slides along the first sliding rail, and the second bending roller slides along the second sliding rail.

In one alternative: the length of the first sliding rail is smaller than that of the second sliding rail.

In one alternative: the electric push rod is provided with a contact switch, and the contact switch is positioned at the end point of the first sliding rail. When the first bending roller moves to the end point along the first sliding rail, the first bending roller can touch a contact switch of the electric push rod, the electric push rod is controlled to drive the rebound prevention block to rise, and when the first bending roller returns, the first bending roller is separated from contact with the contact switch, and the rebound prevention block is reset.

In one alternative: the pushing roller is provided with a first limiting block, and the rebound prevention block is provided with a second limiting block. When the pipe is bent, the rebound prevention block is matched with the second limiting block, so that the pipe is unloaded, and rebound is prevented.

In one alternative: the propulsion roller is connected with the propulsion motor through a coupling.

The pipe to be bent is put into the pipe bending machine from the pushing rollers arranged in pairs, in the process, the encoder can record the number of turns rolled by the pushing rollers, after the number of turns reaches a preset value, the encoder outputs an electric signal to the pushing motor, the pushing motor is controlled to stop working, and the length of the put pipe can be controlled to be consistent in the process. When the pipe bending machine works, the bending mechanism starts to bend the pipe, and the bent pipe is clamped by the rebound prevention block and the second limiting block to prevent rebound. After a period of time, the bending roller is reset, the pushing motor controls the pushing roller to continue rotating, the bent pipe can move forwards for a certain distance, and then the pipe is manually taken down, so that inconvenience caused by directly taking down the pipe on a workbench is avoided.

Drawings

FIG. 1 is a schematic view of a front surface of a workbench according to an embodiment of the utility model;

fig. 2 is a schematic view of a structure of a back surface of a workbench according to an embodiment of the utility model.

In the figure: 1. the device comprises a workbench, 2, a propelling motor, 3, a propelling roller, 4, an encoder, 5, an electric push rod, 6, an anti-rebound block, 7, a central rotating shaft, 8, a synchronous rod, 9, a bending roller, 10, a first sliding rail, 11, a second sliding rail, 12, a first limiting block, 13, a second limiting block, 901, a first bending roller, 902 and a second bending roller.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 and 2, the embodiment comprises a workbench 1 and a bending mechanism, wherein a pushing detection mechanism is arranged on the upper surface of the workbench, an anti-rebound mechanism is arranged on the lower surface of the workbench, the pushing detection mechanism comprises a pushing motor 2, a pushing roller 3 and an encoder 4, the pushing rollers 3 are arranged in pairs, the pushing roller 3 is connected with the pushing motor 2 through a coupling, the encoder 4 is electrically connected with the pushing motor 2, the anti-rebound mechanism comprises an electric push rod 5 and an anti-rebound block 6, the anti-rebound block 6 is connected with the electric push rod 5, and a through hole for the anti-rebound block to pass through is formed in the workbench 1.

In this embodiment, the bending mechanism includes a central rotating shaft 7, a synchronizing rod 8 and bending rollers 9, the bending rollers 9 are arranged in pairs, the bending rollers 9 are mounted on the synchronizing rod 8, and the synchronizing rod 8 is rotatably connected with the central rotating shaft 7.

In this embodiment, the press bending roller 9 includes a first press bending roller 901 and a second press bending roller 902, a first slide rail 10 and a second slide rail 11 are disposed on the workbench 1, the first press bending roller 901 slides along the first slide rail 10, and the second press bending roller 902 slides along the second slide rail 11.

In this embodiment, the length of the first sliding rail 10 is smaller than the length of the second sliding rail 11.

In this embodiment, the electric push rod 5 is provided with a contact switch, which is located at the end point of the first slide rail 10 (not shown in the figures). When the first bending roller 901 moves to the end point along the first sliding rail 10, the first bending roller 901 can touch the contact switch of the electric push rod 5, the electric push rod 5 is controlled to drive the rebound prevention block 6 to ascend, and when the first bending roller 901 returns, the first bending roller 901 is separated from contact with the contact switch, and the rebound prevention block 6 is reset.

In this embodiment, a first limiting block 12 is disposed at the pushing roller 3, and a second limiting block 13 is disposed at the rebound preventing block 6. When the pipe is bent, the rebound prevention block 6 is matched with the second limiting block 13, so that the pipe is unloaded, and rebound is prevented.

The working process of the utility model is as follows: the pipe to be bent is put into the pipe bending machine from the pushing rollers 3 arranged in pairs, in the process, the encoder 4 can record the number of turns rolled by the pushing rollers, after the number of turns reaches a preset value, the encoder 4 outputs an electric signal to the pushing motor 2, the pushing motor 2 is controlled to stop working, and the length of the put pipe can be controlled to be consistent in the process. When the pipe bending machine works, the bending mechanism starts to bend the pipe, and the bent pipe is clamped by the rebound prevention block 6 and the second limiting block 13 to prevent rebound. After a period of time, the bending roller is reset, the propulsion motor 2 controls the propulsion roller 3 to continue rotating, and the bent pipe can move forward for a certain distance and then be manually taken down.

The utility model can unify the bending length of the pipe and prevent the pipe, the section bar or the bar from rebounding after bending.

Various modifications and variations of the present utility model may be made by those skilled in the art, and, provided that they are within the scope of the appended claims and their equivalents, they are also within the scope of the present utility model.

What is not described in detail in the specification is prior art known to those skilled in the art.

Claims (7)

1. The utility model provides a bending machine with protective structure, includes workstation and bending mechanism, its characterized in that: the upper surface of workstation is equipped with advances detection mechanism, the lower surface of workstation is equipped with prevents rebound mechanism, advance detection mechanism includes propulsion motor, propulsion gyro wheel and encoder, propulsion gyro wheel sets up in pairs, propulsion gyro wheel is connected with propulsion motor, the encoder with propulsion motor electric connection, prevent rebound mechanism includes electric putter and prevents the rebound piece, prevent rebound piece and electric putter connection, be equipped with the through-hole that supplies preventing rebound piece to pass on the workstation.

2. The pipe bending machine with protective structure according to claim 1, wherein: the bending mechanism comprises a central rotating shaft, a synchronizing rod and bending rollers, wherein the bending rollers are arranged in pairs, the bending rollers are arranged on the synchronizing rod, and the synchronizing rod is rotatably connected with the central rotating shaft.

3. The pipe bending machine with protective structure according to claim 2, wherein: the bending roller comprises a first bending roller and a second bending roller, a first sliding rail and a second sliding rail are arranged on the workbench, the first bending roller slides along the first sliding rail, and the second bending roller slides along the second sliding rail.

4. A pipe bending machine with protective structure according to claim 3, characterized in that: the length of the first sliding rail is smaller than that of the second sliding rail.

5. A pipe bending machine with protective structure according to claim 3, characterized in that: the electric push rod is provided with a contact switch, and the contact switch is positioned at the end point of the first sliding rail.

6. The pipe bending machine with protective structure according to claim 1, wherein: the pushing roller is provided with a first limiting block, and the rebound prevention block is provided with a second limiting block.

7. The pipe bending machine with protective structure according to claim 1, wherein: the propulsion roller is connected with the propulsion motor through a coupling.