Bending and molding mechanism

Patent metadata

Field	Value
Publication number	US-10780481-B2
Application number	US-201615532888-A
Country	US
Kind code	B2
Filing date	Feb 22, 2016
Priority date	Apr 13, 2015
Publication date	Sep 22, 2020
Grant date	Sep 22, 2020

Abstract

A bending and molding mechanism includes two bases, wherein the bases are provided with a transverse sliding rail, two transverse sliding bases are disposed on the transverse sliding rail in a sliding manner, the base is provided with a transverse driving device driving the transverse sliding bases, the base is provided with a central clamping device, the transverse sliding bases are provided with a longitudinal sliding rail, the longitudinal sliding rail is provided with a longitudinal sliding base, the transverse sliding bases are provided with a longitudinal driving device driving the longitudinal sliding base to slide, the longitudinal sliding base is provided with a bending and molding device, one side of the transverse sliding base at the left side is provided with a left clamping device, and one side of the transverse sliding base at the right side is provided with a right clamping device.

First claim

What is claimed is:

1. a bending and molding mechanism comprising:
a stationary base provided with a transverse sliding rail;
two transverse sliding bases disposed on the transverse sliding rail in a sliding manner, wherein each of the transverse sliding bases is provided with a transverse driving device driving the respective transverse sliding base, each of the two transverse sliding bases being provided with a longitudinal sliding rail, each longitudinal sliding rail being provided with a longitudinal sliding base, and each of the two transverse sliding bases is provided with a longitudinal driving device driving the respective longitudinal sliding base to cause the longitudinal sliding base to slide;
a central clamping device configured to clamp a wire and rotate around a central axis of the wire between the two transverse sliding bases;
a hollow mounting base rotatably disposed on each of the longitudinal sliding bases;
a hollow shaft rotatably penetrating each hollow mounting base; and
a mandrel rotatably penetrating the hollow shaft of each hollow mounting base, the respective hollow shaft at a first end extending outward from one end of each longitudinal sliding base, wherein:
each longitudinal sliding base is provided with a bending and molding device,
a left clamping device is configured to movably extend to clamp the wire, the left clamping device being located on the transverse sliding base that is located at a left side of the central clamping device, the left clamping device being provided at a first side of the transverse sliding base located at the left side of the central clamping , device, wherein the first side of the transverse sliding base is located towards the central clamping device,
a right clamping device is configured to movably extend the clamp the wire, the right clamping device being provided on the transverse sliding base that is located at a right side of the central clamping device, the right clamping device being provided at a second side of the transverse sliding base located at the right side of the central clamping device, wherein the second side of the transverse sliding base is located towards the central clamping device,
each hollow shaft is provided with a moving bending head at the first end of each hollow shaft,
for each hollow shaft, an end part of the moving bending head is cylindrical and is provided with a circle of a groove matched with the wire at a periphery of the end part of the moving bending head,
each mandrel is detachably provided with a bending die at a first end of the mandrel, the bending die being provided with four cylindrical fixed bending modules arranged in two rows having connecting lines that are shaped in a rectangle, an interval between the two rows of fixed bending modules being matched with a diameter of the wire, and a second end of the mandrel is connected to a fixed die motor disposed on each longitudinal sliding base,
a driven synchronous belt wheel is sleeved around a periphery of a second end of each hollow shaft,
each longitudinal sliding base is provided with a moving die motor, an output shaft of the moving die motor being provided with a driving synchronous belt wheel matched with the driven synchronous belt wheel, and a synchronous belt sleeves the driven synchronous belt wheel and the driving synchronous belt wheel,
the left clamping device includes a left base disposed on the respective longitudinal sliding base at the left side of the central clamping device, an upper surface of the longitudinal sliding base at the left side of the central clamping device being inclined relative to the left base, the upper surface of the left base being provided with a left sliding rail, the left sliding rail being provided with a left sliding base, the left sliding base of the left sliding rail being provided with a left mounting base, the left mounting base being provided with a clamping component driven by a clamping cylinder configured to open or clamp, and the left base is provided with a sliding cylinder driving the left sliding base of the left sliding rail to drive the clamping component to approach to the wire,
the right clamping device includes a right base disposed on the respective longitudinal sliding base at the right side of the central clamping device, litheBan upper surface of the longitudinal sliding base at the right side of the central clamping device is inclined relative to the right base, the right base being provided with a right sliding rail, the right sliding rail being provided with a right sliding base, the right sliding base of the right sliding rail being provided with a right mounting base, the right mounting base being provided with a clamping component driven by a clamping cylinder configured to open or clamp, and the right base is provided with a sliding cylinder driving the right sliding base of the right sliding rail to drive the clamping component to approach to the wire,
each of the longitudinal driving devices includes a longitudinal driving motor disposed on the respective one of the transverse sliding bases,
each of the longitudinal sliding bases is provided with a longitudinal lead screw, and
each longitudinal driving motor is connected to an end part of the longitudinal lead screw by a coupler.

2. The bending and molding mechanism according to claim 1 , wherein:
each transverse driving device includes a rack disposed on the respective transverse sliding base,
each of the transverse sliding bases is provided with a transverse driving motor, and
an output shaft of each transverse driving motor extends outward from the respective transverse sliding base and each output shaft is connected to a gear matched with the rack.

Assignees

• Jiangsu Univ Of Science And Technology Industrial Technology Research Institute Of Zhangjiagang
• Univ Jiangsu Science & Tech

Inventors

• Tang Wenxian
• Zhang Jian
• Lin Hongcai
• Zhang Yang
• Su Shijie
• Hang Shifeng
• Zhuang Hong

Classifications

• B21D43/006

  Feeding elongated articles, such as tubes, bars, or profiles · CPC title

• B21D9/01

  the mandrel being flexible and engaging the entire tube length · CPC title

• B21D7/085 Primary

  by passing through a curved die · CPC title

• B21F1/00 Primary

  Bending wire other than coiling; Straightening wire · CPC title

• B21D43/003

  Positioning devices (B21D28/04 and B21D28/265 take precedence; stops B21D43/26; centering moving strips B21D43/023) · CPC title