Sheet blank working apparatus

FIELD: plastic working of materials, namely apparatuses for strengthening material at working process.

SUBSTANCE: apparatus for working sheet blanks by equal-duct angular pressing includes housing in which roll with П-shaped groove is mounted; annular sector insert joined with roll groove and secured to block. Said insert has contact surface arranged eccentrically relative to contact surface of roll and it forms stationary wall of working duct for receiving blank. Said block is joined with housing by means of wedge clamp and it is mounted in axle with possibility of rotation. Stop is mounted in recess of housing for forming lower wall of outlet duct. Apparatus may perform translation motion and its housing is rigidly secured to strut coupled with frame. Apparatus includes platform for receiving blank after pressing it out in motion direction of apparatus. Roll having annular bandages along its ends is mounted with possibility of rotation. Roll, П-shaped groove, annular sector insert and block have such geometry sizes that provide pressing of blank. Blank is pressed out in direction opposite relative to motion direction of apparatus. In order to enhance efficiency of working roll is in the form of vibrating roll.

EFFECT: possibility for working large-size sheet blanks, improved manufacturing effectiveness and efficiency of working of sheet blanks.

3 cl, 1 dwg

 

The invention relates to a pressure treatment of materials, namely, devices for hardening of the material during processing.

The known device for processing workpieces equal channel angular extrusion on the basis of conform scheme, selected as a prototype, includes a housing in which is mounted a drive roller with a U-shaped caliber, coupled with the caliber of the roll and secured in the pad ring pie box, the contact surface which is eccentric relative to the contact surface of the roll and forms a fixed wall of the working channel for receiving the workpiece, connected to the housing and wedge clamp block mounted on an axis that can be rotated, mounted in a groove housing the emphasis constituting the bottom wall of the outlet channel [Wmel, Viesnica, Vigaplus, Daavlin, Vfemale. - Mn.: Nauka i techno, 1994. - s-104, Fig. 3.9].

The disadvantage of this device is the inability to handle large sheet blanks.

The objective of the invention is to develop a device for equal-channel angular pressing, providing processing of sheet blanks, improving technology and efficiency of processing.

This object is achieved in that the device for processing sheet blanks, comprising a housing in which the om is mounted roll with U-shaped caliber, coupled with the caliber of the roll and secured in the pad ring pie box, the contact surface which is eccentric relative to the contact surface of the roll and forms a fixed wall of the working channel for receiving the workpiece, connected to the housing and wedge clamp block mounted on an axis that can be rotated, mounted in a groove housing the emphasis constituting the bottom wall of the outlet channel, according to the invention the device is made with the possibility of translational motion, the body of which is rigidly fixed to the rack associated with the frame, includes a platform for receiving the workpiece after removing in the direction of movement of the device, the roller ring bands on the edges made with the possibility of rotation, moreover, the geometrical dimensions of the roll, a U-shaped gauge, ring pie paste and pads provide a pressing sheet.

In addition, this object is achieved if the device is made with the possibility of removing sheet in the opposite device movement direction.

In addition, this object is achieved, if the roll is made in the form vibrolance.

The proposed design of the device for processing sheet blanks equal channel angular extrusion on the basis of conform scheme with the possibility of the th translational motion, as well as comprising a platform for receiving the workpiece after removing facilitates the processing of large-volume sheet blanks according to the scheme equal-channel angular pressing. Manufacturability of sheet blanks is increased, if the device is made with the possibility of removing sheet in the opposite device movement direction. The efficiency of the processing sheet blanks is increased if you use vibraloc.

Comparative analysis of the prototype shows that the proposed device for handling sheet stock characterized by the presence of the platform for receiving the workpiece after removing, as well as the ability of the translational motion of the entire device. In addition, the difference of the proposed device is the device with the possibility of removing the workpiece in the opposite device movement direction, and the presence vibrolance.

Diagram of the inventive device for processing sheet blanks shown in the drawing.

A device for processing sheet blanks can be made on the basis of self-propelled roller (drawing).

A device for processing sheet blanks includes a housing 1 in which is mounted the roller 2 with a U-shaped gauge 3, the ring formed by a casing 4 at the edges of the roll 2. The housing 1 is rigidly fixed to the rack 5 (in the drawing, the fastening not shown). With caliber 3 roll 2 paired annular sector box 6, forming a fixed wall of the working channel 7 for receiving sheet 8. The contact surface of the insert 6 and the roll 2 are eccentric. The annular insert 6 fixedly mounted in the block 9, which is mounted on the shaft 10 can be rotated. The bottom wall of the outlet channel is formed by a stop 11, mounted in a groove of the housing 1 of the device. Block 1 and block 9 is connected wedge clamp 12. To receive press sheet 8 includes a platform 13, mounted on a rack 5, which in turn installed the frame 14.

A device for processing sheet blanks is as follows.

The device implements a scheme conform process. Sheet workpiece 8 is placed on a flat hard surface 15. When forward movement of the device rotating roller 2 zooms in on the sheet 8, is a flow sheet of the workpiece 8 in the working channel 7 device. Sheet workpiece 8 active forces of friction by a U-shaped caliber 3 vypressovyvaetsya from the working channel 7 in the output formed by the walls of the pads 9 and the stop 11. To increase tonnage and improve self-tightenings sheet 8 in the working channel 7 of the contact surface of the insert 6 and the roll 2 are eccentric. You resovannaya sheet workpiece 8 is made on the platform 13.

To improve the efficiency of processing workpieces, the device made with the possibility of removing sheet in the opposite device movement direction.

To improve the efficiency of the processing sheet, a roll made in the form of vibrolance.

Using the proposed design of the device provides a large pressing sheet blanks. In addition, the device can improve the manufacturability and performance of sheet blanks.

1. A device for processing sheet blanks equal channel angular extrusion on the basis of conform scheme, comprising a housing in which is mounted a roll with U-shaped caliber, coupled with the caliber of the roll and secured in the pad ring pie box, the contact surface which is eccentric relative to the contact surface of the roll and forms a fixed wall of the working channel for receiving the workpiece, connected to the housing and wedge clamp block mounted on an axis that can be rotated, mounted in a groove housing the emphasis constituting the bottom wall of the outlet channel, wherein the device is made with the possibility of translational motion, the body is rigidly fixed to the rack associated with the frame, includes a platform for receiving the workpiece after VIPRE the scoops in the direction of movement of the device, roll with the annular bands on the edges made with the possibility of rotation, and roll, U-shaped caliber, annular sector of the insert and the Shoe is made with geometric sizes, providing a large pressing sheet.

2. The device according to claim 1, characterized in that the device is made with the possibility of removing sheet in the opposite device movement direction.

3. The device according to claim 1, characterized in that the roller is made in the form vibrolance.



 

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