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Flanging device

A technology of flanging and workpieces, which is applied in the field of pipe processing devices, can solve the problems of low connection strength between flanging and pipe, low connection strength between flanging and body, and high technical requirements for operators, so as to achieve high connection strength and reduce energy consumption , multiple selective effects

Active Publication Date: 2012-07-11
JIANGSU FEILER ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In actual operation, it is often necessary to set a flanging at the end of the pipe to meet the needs, especially for metal pipes. If a circle of flanging is welded at the end of the pipe, the cost is high, and the connection strength between the flanging and the pipe is not high. , higher technical requirements for operators
[0003] In order to solve the above-mentioned shortcomings, a flanging machine has been produced, such as a nozzle flanging device disclosed in a utility model patent with the authorized announcement number CN201997588U, which includes a mold, a positioning sleeve, an oil pipe, a manual hydraulic pump and a hydraulic jack, and the hydraulic jack It consists of a cylinder and a piston rod. The manual hydraulic pump is connected to the hydraulic jack through two oil pipes. The cylinder of the hydraulic jack is fixedly connected to the positioning sleeve. The piston rod of the hydraulic jack passes through the positioning sleeve and the mold The positioning sleeve is matched with the nozzle of the part to be processed; this kind of flanging device has low processing accuracy
[0004] Another example is the metal pipe flanging mechanism disclosed in the utility model patent with the authorized publication number CN201711440U. Fixed at one end of the stepped shaft, the stepped rollers are set parallel to the frame above the stepped shaft through positioning bolts, the oil cylinder is fixed on the top of the frame, and its cylinder rod is extended into the frame to be fixedly connected with the positioning bolts. The concave-convex step is matched with the concave-convex step of the step roller and there is a gap in the axial direction; this kind of flanging mechanism relies on the continuous extrusion of the tube wall between the step shaft and the step roller, so that the pipe end is stressed and tilted to achieve flanging. The tilting direction of the pipe end is opposite to the pressure exerted by the stepped rollers on the metal pipe. This kind of flanging is caused by the axial extension of the metal pipe wall after being subjected to a large enough radial pressure, and the flanging is caused by compression And thinner, so that the connection strength between the flanging and the body is lower

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0065] Example 1: as Figures 1 to 2 Shown, a kind of flanging device, it comprises frame 1, the mold group that applies the pressure that is inclined or parallel or coincides with the original plane of this wall to the wall of workpiece to be processed, is arranged on frame 1 and drives workpiece to rotate and A roller set capable of exerting a support force at the flange of the workpiece, the smaller angle of the vector angle formed by the pressure of the module acting on the wall of the workpiece to be processed is greater than or equal to 90 degrees.

[0066] Described roller set comprises two bearing housings 29 that are located on the frame 1, only one is shown in the figure, two bearing housings 29 are sleeved with a rotating shaft 27, and one end of the rotating shaft 27 is connected with a motor 23 in transmission, and the rotation The other end of the shaft 27 is fixedly connected with a supporting roller 21.

[0067] Support two 24 on the frame 1, have adjustment g...

Embodiment 2

[0073] Embodiment 2: The difference with Embodiment 1 is that, as image 3 As shown, the rotating shaft 27 is also sleeved with a supporting roller 22, and the rotating shaft 27 is provided with a positioning hole 2, which is not shown in the figure, and the supporting roller 2 22 has a positioning pin 3 matched with the positioning hole 2. 221, so that the position of the second support roller 22 on the rotating shaft 27 is adjustable, and when the positioning pin three 221 is inserted into the second positioning hole, the rotation of the second support roller 22 is realized.

[0074] Support roller 2 22 is mainly used to cooperate with pressure roller 28 to drive the workpiece. In this embodiment, the main function of support roller 1 21 is to provide a supporting force for the flanging of the workpiece to cooperate with mold 34 to realize flanging. Therefore, in In this embodiment, the supporting roller 1 21 does not need to be radially fixed to the rotating shaft 27 .

[...

Embodiment 3

[0076] Embodiment 3: The difference with Embodiment 1 or 2 is that, as Figure 4 As shown, the two sides of the roller group are respectively provided with a stable structure, and the stable structure includes a bracket three 41, and the bracket three 41 is provided with a roller frame 42, and the roller frame 42 is rotatably connected with a roller 43; the bracket three 41 is provided with an adjustment The second groove 411 and the roller frame 42 are connected to the second adjustment groove 411 by screws, so that the position of the roller frame 42 on the bracket three 41 can be adjusted along the second adjustment groove 411 .

[0077] This embodiment is not only suitable for pipes with small diameters, but also especially suitable for pipes with large diameters; during processing, the peripheral wall of the pipes can be further stabilized by a stable structure to improve processing accuracy.

[0078] Figure 4 The structure shown is an improvement made on Embodiment 2. ...

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PUM

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Abstract

The invention relates to a tube processing device in machining, in particular to a flanging device. The flanging device is realized by the following technical scheme: the flanging device comprises a rack, a module and a roller group, wherein the module is used for applying pressure inclined, parallel or overlapped with the original plane of a wall to a work piece wall to be processed, and the roller group is arranged on the rack, is used for driving the work piece to rotate and can be used for applying a supporting force at the flanging position of the work piece; wherein the smaller angle of a vector angle formed by the pressure of the module acting on the work piece wall to be processed and the supporting force is larger than or equal to 90 degrees. By using the flanging device for flanging the work piece, the connection strength of a flange and a work piece body is higher.

Description

technical field [0001] The invention relates to a pipe material processing device in mechanical processing, in particular to a flanging device. Background technique [0002] In actual operation, it is often necessary to set a flanging at the end of the pipe to meet the needs, especially for metal pipes. If a circle of flanging is welded at the end of the pipe, the cost is high, and the connection strength between the flanging and the pipe is not high. , The technical requirements for operators are also relatively high. [0003] In order to solve the above-mentioned shortcomings, a flanging machine has been produced, such as a nozzle flanging device disclosed in a utility model patent with the authorized announcement number CN201997588U, which includes a mold, a positioning sleeve, an oil pipe, a manual hydraulic pump and a hydraulic jack, and the hydraulic jack It consists of a cylinder and a piston rod. The manual hydraulic pump is connected to the hydraulic jack through t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D19/12
Inventor 倪建中
Owner JIANGSU FEILER ELECTRIC CO LTD