Pipe bending machine for machining special-shaped pipe

Abstract

The utility model belongs to the technical field of pipe machining, and particularly relates to a special-shaped pipe machining pipe bending machine which comprises a connecting bottom plate, a bending motor is arranged at one end of the connecting bottom plate, the output end of the bending motor is fixedly connected with a bending clamping assembly, and a fixing assembly is arranged on the side, corresponding to the bending clamping assembly, of the bending motor. A limiting plate is arranged at the other end of the connecting bottom plate, and an inserting telescopic rod is arranged on the limiting plate. According to the mandrel inserting device, the length of the mandrel inserting device can be controlled through the sleeving arrangement of the multiple inserting telescopic rods, and therefore workers can conduct mandrel inserting on pipes with different lengths and bent at different positions conveniently; and meanwhile, under the action of an electric rotating ball, a traction rope clamping wheel and a traction rope winding wheel, a core rod can make contact with an inserting rod when being inserted into the pipe, so that inserting is convenient, the pipe reaches the bending position when being bent, and the pipe is protected.

Description

TECHNICAL FIELD

[0001] The utility model belongs to pipe processing technical field, concretely relates to a special-shaped pipe processing pipe bending machine. BACKGROUND

[0002] The special-shaped pipe processing pipe bending machine is a kind of equipment specially used for bending various special-shaped pipes (such as rectangular pipes, oval pipes, T-shaped pipes, U-shaped pipes and the like). It can process these pipes into required bending angles and shapes by appropriate mechanical devices and technical means, and is widely applied in multiple fields such as mechanical manufacturing, automobile, aerospace, building and pipeline installation.

[0003] Problems existing in prior art:

[0004] A mandrel is often used to assist in bending pipe material when the pipe bending machine processes bent pipe, which is usually a supporting element inside the pipe bending machine, and its role is to help the pipe material maintain a certain shape during bending to prevent the pipe material from deforming or breaking during bending. The existing mandrel is located at the bending position of the pipe bending machine during use, and the pipe material needs to be sleeved thereon. When facing different lengths and different positions of bent pipe material, it will be more troublesome to sleeve. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a special-shaped pipe processing pipe bending machine, which can realize the sleeving of multiple plug-in extension rods to control the length, so that staff can conveniently plug in the mandrel for pipe material of different lengths and different bending positions, and the mandrel can contact the plug-in rod when plugged into the pipe material under the action of electric rotating ball, traction rope clamping wheel and traction rope winding wheel, so that plugging is more convenient, and the pipe material is protected when being bent.

[0006] The technical scheme adopted by the utility model is as follows:

[0007] A special-shaped pipe processing pipe bending machine, comprising: a connecting bottom plate, one end of the connecting bottom plate is provided with a bending motor, the output end of the bending motor is fixedly connected with a bending clamping assembly, one side of the bending motor corresponding to the bending clamping assembly is provided with a fixing assembly, the other end of the connecting bottom plate is provided with a limiting plate, the limiting plate is provided with a plug-in extension rod, one end of the plug-in extension rod extends to the position of the bending motor and is sleeved with a pipe to be bent, the other end of the plug-in extension rod is provided with a traction rope control box;

[0008] The number of the plug-in telescopic rods is multiple, the multiple plug-in telescopic rods are sequentially sleeved, the plug-in telescopic rods are fixedly connected with plug-in rods inside the to-be-bent pipe, rigid traction ropes are arranged inside the multiple plug-in telescopic rods and the plug-in rods, the end of the plug-in rod is movably provided with an electrically connected block through the rigid traction rope, the electrically connected block is fixedly connected with the rigid traction rope, a core rod is fixedly connected to the end of the electrically connected block away from the plug-in rod, and the electrically connected block is electrically connected to the end in contact with the plug-in rod.

[0009] The electrically rotating ball is rotatably connected to the position of the plug-in telescopic rod, the plug-in telescopic rod is fixedly connected with the electrically rotating ball, electrically contacting caps are arranged on the two sides of the electrically rotating ball, electrically contacting brushes are arranged on the position of the electrically contacting cap of the limiting plate, and the electrically contacting cap is electrically connected with the electrically contacting brush.

[0010] The top of the connecting bottom plate is fixedly connected with a positioning table, the positioning table is provided with a fixed clamp at the position of the plug-in telescopic rod, the fixed clamp is arranged in parallel with the center position of the electrically rotating ball, and the plug-in telescopic rod is clamped with the fixed clamp.

[0011] The inside of the traction rope control box is provided with a traction rope winding wheel and two traction rope clamping wheels, the rigid traction rope is wound outside the traction rope winding wheel, and the rigid traction rope extends to the position between the two traction rope clamping wheels.

[0012] The limiting nails are arranged between the two adjacent plug-in telescopic rods, and the limiting nails penetrate the outside plug-in telescopic rod and the inside plug-in telescopic rod.

[0013] The utility model discloses the technical effect achieved is:

[0014] The utility model discloses, through the setting of the sleeve of multiple plug-in telescopic rods makes it can control length, thereby convenient for staff to carry out the core rod plug-in of pipe material of different length and bending different position.

[0015] The utility model discloses, under the action of electrically rotating ball and traction rope clamping wheel and traction rope winding wheel makes the core rod contact with plug-in rod when plug-in enters pipe material, makes plug-in more convenient, reaches the bending position when bending pipe material, protects pipe material. ACCURATE DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model discloses;

[0017] Figure 2 It is the clamping structure schematic diagram of the pipe material of the utility model discloses in bending;

[0018] Figure 3 It is the bending structure schematic diagram of the pipe material of the utility model discloses in bending;

[0019] Figure 4 is the end structure schematic view of the plug-in telescopic rod in the utility model;

[0020] Figure 5 is the telescopic structure schematic view of the core rod in the utility model;

[0021] Figure 6 is the end structure schematic view of the connecting bottom plate in the utility model;

[0022] Figure 7 is the partial structure sectional view of the limiting plate in the utility model;

[0023] Figure 8 is the internal structure schematic view of the traction rope control box in the utility model.

[0024] In the drawings, the component list represented by each sign is as follows:

[0025] 1, connecting bottom plate; 2, bending motor; 3, bending clamping assembly; 4, fixed assembly; 5, pipe to be bent; 6, traction rope control box; 7, plug-in telescopic rod; 8, positioning table; 9, limiting plate; 602, traction rope clamping wheel; 603, traction rope winding wheel; 701, plug-in rod; 702, electrically connected block; 703, core rod; 704, rigid traction rope; 705, limiting nail; 801, fixed clamp; 901, electrically rotating ball; 902, electrically contacting cap; 903, electrically contacting brush. DETAILED DESCRIPTION

[0026] In order to make the purpose and advantages of the utility model more clear and apparent, the utility model is specifically described below in combination with embodiments. It should be understood that the following text is merely used to describe one or several specific embodiments of the utility model, and does not strictly limit the specific protection scope requested by the utility model.

[0027] As Figure 1 - Figure 3 shown, a special-shaped pipe processing pipe bending machine, comprising: connecting bottom plate 1, one end of connecting bottom plate 1 is provided with bending motor 2, the output end of bending motor 2 is fixedly connected with bending clamping assembly 3, bending motor 2 is provided with fixed assembly 4 on the side corresponding to bending clamping assembly 3, the other end of connecting bottom plate 1 is provided with limiting plate 9, limiting plate 9 is provided with plug-in telescopic rod 7, one end of plug-in telescopic rod 7 extends to the position of bending motor 2 and is sleeved with pipe to be bent 5, the other end of plug-in telescopic rod 7 is provided with traction rope control box 6.

[0028] Wherein, when the pipe is bent, first rotate the plug-in telescopic rod 7 to make its end away from the bending motor 2, then set the pipe to be bent 5 on the end of the plug-in telescopic rod 7, then place the pipe to be bent 5 between the bending motor 2 and the bending clamping assembly 3 and the fixing assembly 4, start the hydraulic pump of the fixing assembly 4 and the bending clamping assembly 3 to clamp the pipe to be bent 5, then start the bending motor 2 to bend the pipe to be bent 5 along the output end of the bending motor 2 by rotating the bending clamping assembly 3.

[0029] Referring to the drawings Figure 1 Figure 5 The number of plug-in telescopic rods 7 is multiple, and the multiple plug-in telescopic rods 7 are sequentially set. The plug-in telescopic rod 7 is fixedly connected with a plug-in rod 701 inside the pipe to be bent 5. The plug-in telescopic rod 7 and the plug-in rod 701 are provided with a rigid traction rope 704 inside. The end of the plug-in rod 701 is movably provided with an electrically connected block 702 through the rigid traction rope 704. The electrically connected block 702 is fixedly connected with the rigid traction rope 704. The end of the electrically connected block 702 away from the plug-in rod 701 is fixedly connected with a mandrel 703. The end of the electrically connected block 702 in contact with the plug-in rod 701 is electrically connected. A limiting nail 705 is arranged between the two adjacent plug-in telescopic rods 7, which penetrates the outer plug-in telescopic rod 7 and the inner plug-in telescopic rod 7.

[0030] According to the above structure, when facing different lengths or different positions of the pipe to be bent 5, the length of the plug-in telescopic rod 7 can be adjusted to adapt to the situation. When the pipe to be bent 5 is inserted into the end of the plug-in telescopic rod 7, the plug-in telescopic rod 7 needs to be rotated to make it away from the bending motor 2, and then the pipe to be bent 5 is set on the end of the plug-in telescopic rod 7. The electrically connected block 702 is attached to the plug-in rod 701 under the action of the rigid traction rope 704, which facilitates the insertion of the pipe to be bent 5 into the pipe to be bent 5. Then place the pipe to be bent 5 between the bending motor 2 and the bending clamping assembly 3 and the fixing assembly 4. At this time, the mandrel 703 is sent to the position between the bending clamping assembly 3 and the bending motor 2 under the action of the rigid traction rope 704, which is used to protect the pipe to be bent 5 during bending.

[0031] Referring to the drawings Figure 6 Figure 8 ​​The position corresponding to the insertion of the telescopic rod 7 is rotatably connected with an electric rotating ball 901, the telescopic rod 7 is fixedly connected with the electric rotating ball 901, both sides of the electric rotating ball 901 are provided with an electric contact cap 902, the position corresponding to the electric contact cap 902 of the limiting plate 9 is provided with an electric contact brush 903, the electric contact cap 902 is electrically connected with the electric contact brush 903; the top of the connecting bottom plate 1 is fixedly connected with a positioning table 8, the position corresponding to the insertion of the telescopic rod 7 of the positioning table 8 is provided with a fixed clamp 801, the fixed clamp 801 is arranged in parallel with the center position of the electric rotating ball 901, and the telescopic rod 7 is buckled and installed on the fixed clamp 801; the inside of the traction rope control box 6 is provided with a traction rope winding wheel 603 and two traction rope clamping wheels 602, the rigid traction rope 704 is wound outside the traction rope winding wheel 603, and the rigid traction rope 704 extends to the position between the two traction rope clamping wheels 602.

[0032] According to the above structure, when the telescopic rod 7 is inserted into the pipe to be bent 5, the limiting plate 9 is rotated, and the electric contact brush 903 is separated from the electric contact cap 902 at this time, and the PLC in the traction rope control box 6 controls the two traction rope clamping wheels 602 and the traction rope winding wheel 603 to wind the rigid traction rope 704 until the electric connection block 702 contacts the insertion rod 701 to transmit the electric signal, and then the traction rope clamping wheel 602 and the traction rope winding wheel 603 are stopped through the PLC control, at this time, the core rod 703 can be inserted into the pipe to be bent 5, and then the pipe to be bent 5 is placed on one side of the bending motor 2, at this time, the telescopic rod 7 is reset and placed on the fixed clamp 801, the electric contact cap 902 is in contact with the electric contact brush 903 to transmit the signal, and the traction rope clamping wheel 602 and the traction rope winding wheel 603 are rotated through the PLC control to make the rigid traction rope 704 extend and push back the same distance when the core rod 703 reaches the bending position for protecting the pipe to be bent 5.

[0033] The working principle of the utility model is: when facing the pipe to be bent 5 of different lengths or needing to bend different positions, the length of the plug-in telescopic rod 7 can be adjusted to adapt, when the pipe to be bent 5 is plugged in the end of the plug-in telescopic rod 7, the plug-in telescopic rod 7 needs to be rotated to make it away from the bending motor 2 and then the pipe to be bent 5 is sleeved on the end of the plug-in telescopic rod 7, the plug-in telescopic rod 7 is fixed with the limiting plate 9, when the limiting plate 9 is rotated, the electric contact brush 903 is separated from the electric contact cap 902, the PLC inside the traction rope control box 6 controls the two traction rope clamping wheels 602 and the traction rope winding wheel 603 to wind the rigid traction rope 704, until the electric connection block 702 contacts the plug-in rod 701 to transmit the electric signal, then the PLC controls the traction rope clamping wheel 602 and the traction rope winding wheel 603 to stop, at this time the core rod 703 can be plugged into the pipe to be bent 5, then when the pipe to be bent 5 is placed on the side of the bending motor 2, the plug-in telescopic rod 7 is reset and placed on the fixed clamp 801, the electric contact cap 902 contacts the electric contact brush 903 to transmit the signal, the PLC controls the traction rope clamping wheel 602 and the traction rope winding wheel 603 to rotate to make the rigid traction rope 704 extend to push the same distance when recycling, so that the core rod 703 reaches the bending position to protect the pipe to be bent 5.

[0034] The above only is the preferred implementation of the utility model, it should be pointed out, for ordinary technical personnel in the prior art, on the premise of not departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, are implemented according to conventional means in the art.

Claims

1. A pipe bending machine for processing irregularly shaped pipes, characterized in that, include: A connecting base plate (1) is provided with a bending motor (2) at one end of the connecting base plate (1). A bending clamping assembly (3) is fixedly connected to the output end of the bending motor (2). A fixing assembly (4) is provided on one side of the bending motor (2) corresponding to the bending clamping assembly (3). A limit plate (9) is provided at the other end of the connecting base plate (1). A plug-in telescopic rod (7) is provided on the limit plate (9). One end of the plug-in telescopic rod (7) extends to the position of the bending motor (2) and is fitted with the pipe to be bent (5). A traction rope control box (6) is provided at the other end of the plug-in telescopic rod (7). The number of the plug-in telescopic rods (7) is multiple, and the multiple plug-in telescopic rods (7) are sequentially nested. The plug-in telescopic rods (7) are fixedly connected to the inside of the pipe (5) to be bent. A rigid traction rope (704) is installed through the multiple plug-in telescopic rods (7) and the plug-in rods (701). An electrical connection block (702) is movably installed at the end of the plug-in rod (701) through the rigid traction rope (704). The electrical connection block (702) is fixedly connected to the rigid traction rope (704). A core rod (703) is fixedly connected to the end of the electrical connection block (702) away from the plug-in rod (701). The end of the electrical connection block (702) that is in contact with the plug-in rod (701) is electrically connected.

2. The pipe bending machine for processing irregularly shaped pipes according to claim 1, characterized in that: The limiting plate (9) is rotatably connected to an electric rotating ball (901) at the position corresponding to the insertion telescopic rod (7). The insertion telescopic rod (7) is fixedly connected to the electric rotating ball (901). Electric contact caps (902) are provided on both sides of the electric rotating ball (901). Electric contact brushes (903) are provided at the position corresponding to the electric contact caps (902) of the limiting plate (9). The electric contact caps (902) and the electric contact brushes (903) are electrically connected.

3. The pipe bending machine for processing irregularly shaped pipes according to claim 2, characterized in that: The top of the connecting base plate (1) is fixedly connected to a positioning platform (8). The positioning platform (8) is provided with a fixing clip (801) at the position corresponding to the insertion telescopic rod (7). The fixing clip (801) is arranged parallel to the center position of the electric rotating ball (901). The insertion telescopic rod (7) is fastened to the fixing clip (801).

4. A pipe bending machine for processing irregularly shaped pipes according to claim 1, characterized in that: The traction rope control box (6) is equipped with a traction rope winding wheel (603) and two traction rope clamping wheels (602). The rigid traction rope (704) is wound around the outside of the traction rope winding wheel (603) and extends to the position between the two traction rope clamping wheels (602).

5. A pipe bending machine for processing irregularly shaped pipes according to claim 1, characterized in that: A limiting pin (705) is provided between two adjacent plug-in telescopic rods (7), and the limiting pin (705) passes through the outer plug-in telescopic rod (7) and contacts the inner plug-in telescopic rod (7).

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