SU1386388A2 - Die for cutting section stock - Google Patents

Abstract

The invention relates to the processing of metals by pressure and can be used in the blank production of machine-building enterprises for the separation of core material into blanks. The goal is to expand the technological capabilities of the stamp for cutting the core material

Description

1-1

(L

 go

Fa2.: 5

La „Rolled rolling (RP) 11, fed to the plane formed by the offset of the through hole of the movable blade 8 in relation to its work profile, during the cutting process prevents the moving of the movable body 4 and the blade liner 8 о. The upper plate 17 and the rods move . 16, I The last affect rotary shafts 15, which are

impact on the insert - clamp 9. The insert-clamp 9 moves, from to the insert-knife 8, breaking the cv-cut-tapered surfaces of the holes of the slats 13 placed in the cut-out of the insert

one

The invention relates to the processing of metals by pressure, can be used in the blank production of engineering enterprises and is an improvement of the invention according to No. 1034853.

The purpose of the invention is the expansion of the technological capabilities of the stamp for cutting the profile material

FIG. 1 shows a die for cutting a profile material, a general sectional view; Fig. 2 is the same in the position of separation of the workpiece; "Wah of Fig. 3, section A-A in Fig. 1; FIG. 4 is a section BB — in FIG. 1; FIG. 5 shows a section B-B in FIG. 2;

A stamp for cutting the profile material into blanks contains a bottom plate 1 with guide columns 2, on which fixed and movable bodies 3 and 4 are mounted. In case 3, a fixed knife 5 with a shoulder, the shape of which corresponds to the shape of a clamp, is placed on one side of the cutting plane. 6, spring-loaded 7, while the remainder of this knife is a support lug in which the inlet portion of the working opening is made large with its clamping portion in cross section and shifted in the direction of shear relative to the clamped profile many fixed blade portion by an amount equal to half

pinch 9, and the tapered ends of the clips 14 spring resistance 10c Located in the working profile i of the movable insertion knife 8 RP 11 pushes the strips 13, displacing the centers of their i holes with a conical surface relative to the axis and conical ends connected to the specified surface clamps 14, additionally compressing the spring 10 "The insert-clamp 9 clamps the cut part of RP 11 from the bottom, the strips 13 by means of the force of the springs 10 clamp the specified part of RP 11 on the sides. In this position, the resistance of the RP 11 is overcome and the workpiece is cut off and 5 yl

0

five

c, „

0

differences in the transverse dimensions of these sections. In the case 4 on the other side of the cutting plane a movable knife is placed for 8 s. the ledge, whose shape corresponds to the shape of the clamp 9, is spring-loaded by springs 10, while the axis of the through-hole .11 of the movable knife is displaced relative to the axis of its work profile D in the cutting direction to create a plane D serving as an end of the end of the rolled steel 11 to cut it on the workpiece 12.

The clamping plane of the movable knife on the cutter side of this clamp with the movable knife is lowered parallel to the axis of the connector. The underside of the working section of the knife and clamp movably in the direction of the profile are the clamps 13 of the workpiece, made in the form of planks with conical holes contacting with a conical surface of clamps 14, which are movably mounted in a movable knife and spring-loaded perpendicularly to the plane of the connector of this knife with a clamp. Moving knife clamping motion equal to the offset of the axis of the bore hole P relative to the axis of the working profile D for this knife.

The clamping mechanisms of the original car and the parts cut from it are made in the form of rotary shafts 15 and vertical rods 16 and are located in the movable and stationary bodies. The stamp has an upper plate 17 that is spring-loaded relative to the lower one. plates with springs 18 and engaging with a movable body by means of a rack 19. The stationary case is spring-loaded relative to the bottom plate by springs 20 "

A stamp for cutting rolled products into blanks works as follows. The car 11 is fed into the knives 5 and 8 until the end of the car end stops in the plane D formed by displacing the bore hole P of the movable knife 8 relative to its working profile D, and the distance from the plane of the cut to the plane D determines the length of the workpiece Clamps 14 by means of springs 10 and the conical ends hold the grippers 13 in the initial position by moving the press slide to the upper plates 17 and together with it the vertical rods 16, the turning shafts 15 of the mechanism for clamping the body 4 with the movable knife B and its clamp 9 move. The cutting edges of the knives 5 and 8 act on the section to be rolled 11,

The rental 11 prevents movement of the housing 4 with the knife 8, the drive force is sensed by the vertical strings 16, transmitting it to the rotary shafts 15, the rotary shafts 15 in the housing 3 clamp the original steel in the knife 5 by means of the clamp 6, and the rotary shafts 15 in the housing 4 clamping the cut-off part of the rolling stock in the knife 8 with the clamp 9, while moving the grippers 13 to the sides of the forming rolling surface and compressing the spring 10 with the fasteners 14, which receive an additional movement by the impact of the conical surfaces of the holes of the grips 13 with conical ribs m surface ends of latches 10, centers the holes with tapered surface grippers 13 are displaced relative to the longitudinal axis and the direction of movement of the clamps 10:

With a further downward movement, the workpiece 12 is completely separated from the rolled stock, and the clamping force, since the rolled resistance is stopped immediately, disappears. By means of the springs 7, the clamp 6 is retracted, freeing the initial hire. When this spring 10 in the knife 8, I act on the tabs 14 when vzai0

five

0

five

0

five

0

five

0

five

modifying them with the conical holes of the grippers 13, the clamp 9 is retracted with the cut piece 12 clamped in it from the knife 8, exposing the axis with the longitudinal axis of the through hole P,

During the upward movement of the spring 18, the body 4 is raised to the initial position by means of the upper plate 17 and the rack 19. The initial rolling is fed to the stop in plane G, while calcining the cut billet into the through hole P of the knife 8. The grippers 13 are shifted by the clips 14 when the workpiece leaves them from the longitudinal axis of the working profile, restoring the alignment of the position of its holes with the conical surface of the latches 14.

The stamp is ready for a new work cycle.

Claims (1)

Invention Formula Stamp for cutting profile material avt.St. No. 1034853, characterized in that, in order to expand technological capabilities, the mobile body is equipped with a locking mechanism for cutting the workpiece, made in the form of two planks with conical holes, symmetrically set with respect to the material feed axis with the possibility of reciprocal reciprocating movement in the plane, perpendicular direction of movement of the housing, and spring-loaded latches with a conical working surface, with the breathing-knife insert-i facing the other surface and inserting The a-clamps of the movable body in a closed position are arranged with a gap formed by a cutout on the surface of the knife-clamp, the strips are installed on the cut-out surface of the insert-clamp, spring-loaded latches in the holes made in the insert, with the possibility of their working surface interacting with the openings correspondingly; The slats, and the cavity under the cut-off workpiece, formed by the working surfaces of the blade liner and the insert-clamp of the movable body, is made through, consisting of two consecutive sections. The latter of which is displaced relative to the first in the direction of movement of the body with the formation of a step between them to stop the material. 77 QJUZ.S.