Inner support and fixing mechanism of pipe fittings in cold rolling mill
A technology of cold-rolled pipe mill and fixing mechanism, which is applied to the accessories of tool holders, metal processing machinery parts, clamping, etc., which can solve the problems of damage and waste of pipe end sections, and achieve avoidance of damage, good braking effect, The effect of preventing tearing
Active Publication Date: 2016-09-07
ZHEJIANG ZHONGXING EQUIP
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Problems solved by technology
In this way, the three claws must be embedded in the outer surface of the end of the pipe fitting, and the outer surface of the end section of the pipe fitting is damaged. Therefore, this section must be cut off, resulting in unnecessary waste
Method used
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[0012] The following specific descriptions of the present invention are given by the examples, which are only used to further illustrate the present invention, and should not be construed as limiting the protection scope of the present invention.
[0013] Such as Figure 1-2 The specific embodiment of the present invention shown includes a central shaft 1, a swing lever 2, a rotating pulley 3 and an inner support member 51, and the rotating pulley 3 is provided with radial sliding, circumferential and integral rotation of the rotating pulley. Lifting seat 5, the inner support member 51 is linked and fixedly arranged on the lifting seat 5, and a swing rod frame 21 is arranged on the central axis 1 for rotation, and a semicircular shift fork 7 is arranged on the swing rod frame 21 in linkage , and the swing rod frame is rotated with an outer rotating sleeve 8, the outer side of the outer rotating sleeve 8 is provided with a linkage pin 81 that is pushed and rotated with the shif...
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The invention discloses a pipe fitting inner support fixing mechanism for a cold pilger mill. The pipe fitting inner support fixing mechanism comprises a center shaft, an oscillating rod, a rotating pulley and an inner support part, and further comprises a driving motor and a driving motor braking stopping device, wherein the driving motor braking stopping device comprises a braking stopping support, a braking stopping air cylinder and a braking stopping drum fixed to the output shaft of the driving motor in a linkage manner; a first pulley is further arranged on the output shaft of the driving motor coaxially and rotationally; a first connecting rod and a second connecting rod, which are symmetrically and crosswise hinged to each other, are rotationally arranged on the braking stopping support; the tail ends of the first connecting rod and the second connecting rod are respectively connected with a braking stopping air cylinder main body and a braking stopping air cylinder piston rod; a first braking stopping block and a second braking stopping block are positioned in the braking stopping drum and relatively and tightly buckled with the inner wall of the braking stopping drum for braking stopping or relatively separated from the braking stopping drum for coordination. The pipe fitting inner support fixing mechanism has the advantages as follows: the structural arrangement is reasonable, damage to the surface of the pipe fitting is avoided, and the braking stopping effect is good.
Description
technical field [0001] The invention relates to a cold-rolled pipe mill, in particular to an internal support and fixing mechanism of a pipe fitting of the cold-rolled pipe mill. Background technique [0002] The cold rolling mill is a process equipment for cold rolling the ring pipe by using the annular hole. In the existing cold-rolled pipe mill, after the pipe-rolling process, one end of the cold-rolled pipe needs to be fixed by a chuck, and then cut. In the prior art, a three-jaw chuck is generally used to perform external clamping on the pipe fittings. In this way, the three claws must be embedded in the outer surface of the end of the pipe fitting, and the outer surface of the end section of the pipe fitting is damaged. Therefore, this section must be cut off, resulting in unnecessary waste. Contents of the invention [0003] The object of the present invention is to overcome the disadvantages and deficiencies of the prior art, and provide an internal support and f...
Claims
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IPC IPC(8): B23Q3/14
CPCB23B31/4073B23B2215/72
Inventor 潘益忠潘孝余潘益文
Owner ZHEJIANG ZHONGXING EQUIP