Sleeve extracting device
A sleeve and casing technology, applied in the field of machinery, can solve the problems of high cost, difficulty in taking out the sleeve, etc., and achieve the effect of reducing production cost and improving production efficiency
Active Publication Date: 2014-10-15
LAIWU IRON & STEEL GRP
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Problems solved by technology
[0004] The purpose of the present invention is to solve the technical problems that it is difficult to take out the sleeve from the inner hole of the workpiece by using the existing sleeve extraction method, or the cost of taking the sleeve is relatively high, and the workpiece body is easy to be damaged. It is used for the sleeve removal device of the sleeve, which can quickly and effectively extract the sleeve assembled in the inner hole of the workpiece, and solve the problem that it is difficult to remove the sleeve when the inner hole of the workpiece and the sleeve are matched in a complicated manner , while improving work efficiency
Method used
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[0021] A sleeve removal device for sleeves according to the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments
[0022] Bright.
[0023] like figure 2 As shown, the sleeve removal device for the sleeve of the present invention includes a tapered head screw 4 , a sleeve 5 and a tapered nut 6 . The nozzles at both ends of the sleeve 5 are provided with several strip grooves along its axis, and the sleeve 5 is nested on the outer wall of the conical head screw 4; one end of the conical head screw 4 is a conical head , the other end is a cylindrical head, the gap between the cylindrical head and the casing 5 nozzles is provided with a tapered nut 6, and the tapered nut 6 is provided with a tapered tip, which is connected to the casing 5 The mouth of the pipe is opposite, and the tapered tip is screwed into the mouth of the pipe through the thread on the tapered nut 6, so that the mouth of the sleeve 5 is expanded by...
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The invention provides a sleeve extracting device. The sleeve extracting device comprises a conical head screw (4), an annular tube (5) and a conical nut (6), wherein a plurality of strip-shaped grooves are formed in tube openings in two ends of the annular tube (5) along the axis; the annular tube (5) sleeves the outer wall of the conical head screw (4); one end of the conical head screw (4) is a conical head; the other end of the conical head screw (4) is a cylindrical head; a conical nut (6) sleeves the cylindrical head and is partially sleeved by one tube opening of the annular tube; and a conical tip is arranged on the conical nut (6), is opposite to the tube opening of the annular tube (5), and is screwed in the tube opening through threads on the conical nut (6), so that the tube opening of the annular tube (5) is squeezed by the conical tip and then is expanded. By the sleeve extracting device, a sleeve assembled in an inner hole of a workpiece can be quickly and effectively extracted, the workpiece cannot be damaged, the production efficiency is improved, and the production cost is reduced.
Description
technical field [0001] The invention relates to the technical field of machinery, in particular to a sleeve removing device for a sleeve. Background technique [0002] In the machining industry, it is often encountered that the sleeve needs to be taken out from the inner hole of the workpiece body. If the gap between the inner hole of the body and the sleeve is large or the inner hole of the body is a through hole, the sleeve can be taken out relatively simply. However, when the inner hole of the body is a blind hole (or stepped hole), and it is a transition fit with the sleeve (or the hole is rusty), and the inner hole and the outer circle of the sleeve are sealed by a sealing ring; It is difficult to remove the sleeve smoothly. like figure 1 As shown in the figure, from left to right, there are three special cases of the cooperation between the sleeve and the inner hole of the body, namely: transition fit + blind hole, transition fit + stepped hole, sealing ring 3 seals...
Claims
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IPC IPC(8): B25B27/06
CPCB25B27/06
Inventor 梁栋张瑞海吴云云孟繁亮张健
Owner LAIWU IRON & STEEL GRP