SU1430149A1 - Arrangement for sizing tube ends - Google Patents

Abstract

The invention relates to the processing of metals by pressure, in particular to hand tools for the treatment of ends of predominantly copper thin-walled pipes of small diameter. The purpose of the invention is to improve the quality of calibration. The device contains pd-movable from the cone (K) 8 through the rod (W) 7 segments 3. The W 7 is installed in the housing I, on the outer surface of which the levers 12 are fixed, at one end interacting with the processed pipe 19 and serving to grip it, and the other end is from W 7, which moves the segments in the radial direction. When the arms 16 and 15 approach each other, K 8 and W 7 are moved, performing 3 distribution through the segments, i.e., calibrating the pipe 19. At the same time, K 8 actuates the levers 12 through the pushers 11, which hold the pipe 19 and hold her in working position. 3 il. about §

Description

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: The invention relates to the processing of metals by pressure, in particular to hand tools for the treatment of ends of predominantly copper thin-walled pipes of up to -.

I The purpose of the invention is a novelty of processing kaanjecTBa.

; FIG. 1 shows a schematic representation of the proposed device, a cross-section; FIG. 2 is a view A of FIG. one; FIG. 3 - REED B in FIG. one.

 The device consists of a housing 1 and a roof-and-2, mounted on the threads of the pa of the housing 1. Cornus 1 is placed pipe pipe. Made in the form of segments 3, install- lieHHbrx on cover 2 with HOMOHIH T-ob- | azpyh protrusions 4 fixedly fixed in 1 segments 3. The latter but nephritic ones are covered by an annular spring 5, with them to the center of the krinka 2. According to the center- (the axis of housing 1 is set to be multi- (face 6 with P1TOKOM 7. Opposite end I of flow 7 passes through the opening in the cone 8, with this. cone 8 is spring-loaded relative to P1tock 7 the spring 9, and the vertex of the cone 8 is directed toward the polyhedron 6. On the housing 1 from the side opposite the curved blade 2, protrusions 10 with openings in which pushers 11 are installed with the possibility of radial non-displacement, one ends of which interact with the cone 8, and others - with rotary levers 12, spaced concentrically relative to the axis of the cone 8 on the housing 1 at NOMOP1I axes 13. The latter are placed in the net 14, rigidly mounted on the housing 1. On the housing 1, the arm 15 is rigidly mounted. Another arm 16 is mounted on the housing 1 with the diametrically opposite side of the stop using 17 and a roller 18. At this, with the handle 16 interacts nggok 7.

The device works in the following manner, Pipe 19, the end of which is required to distribute, on: 1. move to segments 3, shifted to the center of the housing 1 at the HOMOHIH spring 5. Pyramidal polyhedron 6 is in the extreme disposition (see Fig. 1). After sliding the pipe 19 to the stop in the segments 3, the handles 15 and 16 bring each other closer together. Handle 16 by pressing on the end of the stem 7 moves LHTOK 7, the cone 8 n the polyhedron to the left. Pushers 11. interacting with the surface of the cone 8, move to

radial direction and twist the levers 12 relative to the axes 13 until they stop in the pipe 19, centering it relative to the axis of the polyhedron 6. The clamping force of the pipe 19 while centering is determined by the spring 9. After compressing the spring 9 and, accordingly, ensuring the centering of the pipe 19, the polyhedron 6, moving to the left, it begins to push the segments 3 apart and at the same time handing out the end of the tube 19. Thus, the tube 19 is centered before the distribution with segments 3 with a predetermined force, adjustable by the spring 9. eliminates misalignment centering tube 19 relative to the segments 3, even when it is poor or inaccurate trimming sliding segments 3, whereby the quality and distribution novyschaets eliminated culling.

The proposed device is intended for distribution of the ends of pipes of small diameter, mainly copper, in the conditions of construction and installation works.

Claims (1)

Invention Formula A device for calibrating pipe ends, comprising a housing with an outer cylindrical surface and a through hole disposed perpendicular to the end surface of the housing along its longitudinal axis, mounted on the end surface of the housing with the ability to radially move along it segments mounted in the through hole of the housing with the ability to move in it a brush with a conical polyhedron at one end of it, which is located with the possibility of interaction with the segments, the drive of the shaft is connected through an intermediate link with the other end of the stem, characterized in that, in order to improve the quality of the calibration, it is equipped with HjapHnpHO mounted on the outer cylindrical surface of the housing with two shoulders with rotary levers, the intermediate link is made in the form of a cone mounted on the rod with the possibility of moving along the cone, whose vertex is directed in one direction with the vertex of the polyhedron, while the cone is spring-loaded relative to the stem, and one of the arms of each two-arm is installed with the ability to interact po- verhno.styu conical cone. 1L