WO2012070983A1

WO2012070983A1 - Device for replacing peens in four-peen forging devices

Info

Publication number: WO2012070983A1
Application number: PCT/RU2011/000355
Authority: WO
Inventors: Алексей Михайлович ВОЛОДИН; Владислав Алексеевич СОРОКИН; Николай Павлович ПЕТРОВ; Виктор Андреевич ЛАЗОРКИН; Василий Васильевич НИКИТИН; Алексей Павлович КЛЕНИН; Валерий Викторович НИКОНОВ
Original assignee: Открытое Акционерное Общество "Тяжпрессмаш"
Priority date: 2010-11-23
Filing date: 2011-05-26
Publication date: 2012-05-31
Also published as: RU2454293C1; CN103037998A; RU2010147786A; KR20130133757A; EP2620235B1; EP2620235A4; EP2620235A1; CN103037998B

Abstract

The invention relates to auxiliary equipment which can be used for removing and installing forging peens from and into four-peen forging devices. The problem addressed by the invention is that of ensuring the possibility of simultaneously replacing the four peens in four-peen forging devices and of increasing the efficiency of the equipment readjustment process. The device comprises two frames which are arranged in parallel and each of which consists of two U-shaped supports which are hingedly connected by four bent levers. Two pairs of equidimensional adjustment levers are hingedly fixed to the supports. The pairs of said adjustment levers are interconnected by an adjustable screw having a handle. Spindle pins which are mounted in conveying openings in the peens are mounted on the supports and at the locations of hinged connection of the bent levers. The lower frame supports are additionally interconnected by a tightening device.

Description

DEVICE FOR REPLACING BATTERIES IN

FOUR-BALL FORGING DEVICES

The invention relates to the field of metal forming, in particular to auxiliary equipment and can be used for quick removal and installation of forging strikers in four-forging forging devices.

The invention can be used in the engineering and metallurgical industries in forging shops in the production of forgings on hydraulic forging presses equipped with four-side forging devices.

State of the art

A device for replacing the strikers is known, which is part of the tool manipulator for free forging presses, containing a platform connected to the turntable of the tool manipulator using pivotally mounted equal-sized levers and a gripper placed on it with clamp and rotation drives, while one of the levers is pivotally connected to the middle part with stock the main power cylinder mounted on the rotary table (1).

However, the known device does not provide the ability to simultaneously replace multiple strikers, for example, in four-bolt forging devices having four strikers (2)

It is also known a device for replacing strikers mounted on a turntable of an instrumental manipulator, consisting of two pairs of pivotally located equal arms and two parallel supports connected in a frame with two pairs of equal arms with the possibility of moving vertically of the support parallel to the lower support, power cylinders with rods articulated with pairs of equal-sized levers with the ability to move, capture, located on the upper support and consisting of a collet clamp, power cylinder double acting and capture rotation drive (3).

A disadvantage of the known device is low productivity, since it does not provide the simultaneous replacement of four strikers in four-striking forging devices having four strikers (4). Technical result

The basis of the invention is the task, by changing the design of the device, to provide the possibility of simultaneous replacement of four strikers in four-forging forging devices, and due to this to increase the productivity of the process of equipment readjustment. SUMMARY OF THE INVENTION

The task is achieved in that in the device for replacing the strikers in four-forging forging devices, including a frame formed of pivotally connected equal-sized levers and two parallel supports, pivotally connected to them, with the possibility of movement in height, new is that it contains two parallel frames, each of which consists of two II-shaped supports, pivotally connected to each other by four broken levers in pairs and pivotally in pairs, while to the frame supports rnirno fixed two couples of equal adjustment levers, in which each of the adjustment levers are also connected pivotally, and a pair of adjusting levers are interconnected by an adjusting screw passing through their pivotal connections having from one the end of the handle, while on the supports and at the points of articulation of the broken levers, axis-fingers are installed with the possibility of installing them in the transport holes of the strikers, and the lower frame supports are interconnected by a screed.

A device for replacing the strikers is illustrated by drawings (figure 1 -

5)·

Figure 1 shows a device for replacing strikers in a diluted position without strikers, in a perspective view;

figure 2 - the device in a diluted position with strikers, in a perspective view;

in Fig.Z - the device in the reduced position with the strikers, in a perspective view;

figure 4 - the device in the reduced position with the strikers on the fork, held by the manipulator, in a perspective view;

figure 5 - the device in the reduced position with the strikers on the stand, front view.

The device for replacing the strikers contains two parallel frames "A" and "B" (figure 1). Each of the frames consists of two U-shaped supports 1 -4, articulated to each other on each side by four broken levers 5-20 in pairs and articulated in pairs of 5.6; 7.8; 9.10; 11, 12; 13, 14; 15, 16; 17, 18; 19.20 (Fig. 1). To supports 1-4 frames "A" and "B" are pivotally fixed two pairs of equal-sized adjustment levers 21-24 with the help of axes 25 and screws 26. In each pair of adjustment levers 21, 22 and 23.24, the levers are also pivotally connected, and the pairs of adjustment levers are interconnected by an adjusting screw 27 passing through their pivot joints. The adjusting screw 27 has a handle 28 at one end. On the supports 1-4 and at the joints of the polygonal levers 5-20, pivots 29-44 are mounted. On each frame "A" and "B" there are 8 of these fingers: 2 fingers on each support of a U-shaped cross section and 4 fingers at the joints of the broken arms. In addition, the lower supports of the 2.4 frames "A" and "B" are interconnected by a screed 45.

A device for replacing strikers works as follows.

Two prefabricated frames “A” and “B” are brought into the working space of the four-flail forging device (not shown in FIG.) With the pre-bored strikers 46-49, mounted on these strikers on the pivot pin 29-44 from two sides and attached from the top screws (not shown in FIG.), and a screed 45 from the bottom (Fig. 1,2). Then, to the installed frames “A” and “B”, four adjustment levers 21-24 are attached together with the adjusting screw 27 using the axes 25 and the screws 26. The handle 28 is mounted on the adjusting screw 27. After that, the hooks are loosened fastening the strikers to the forging device (not shown in Fig.), except for the lower ones, and the strikers are reduced by rotating the knob 28 with the adjusting screw 27 (Fig. 3). After the strikers are brought together, the lower grips of the striker 46 are loosened, the fork 50 is brought under the entire set of strikers with the device using the manipulator 51, the set of strikers is lifted upwards (by 50-80 mm) and removed from the working space of the four-shot forging device (Fig. 4 ) With a manipulator 51 with a plug 50, the whole set is transferred and installed on a special stand 52, where a set of strikers is replaced with a crane (Fig. 5).

The set of strikers is installed in the reverse order. Using a manipulator 51 with a fork 50, a set of strikers with a device for replacing the strikers fixed on it is brought into the working space of the four-striking forging device. Then, by rotating the handle 28 with the adjusting screw 27, the strikers 46-49 are bred until they touch the supporting planes of the forging device and the strikers are fastened with tacks (not shown in Fig.). After that, remove the framework of the device from the strikers, after removing the screed 45 and removing the axis fingers 29-44. Thus, the patented device allows the simultaneous replacement of four strikers in a four-billet forging device and, due to this, provides an increase in process productivity during equipment readjustment.

Information sources:

1. USSR copyright certificate J 2 515635, IPC B25J 1 1/00, 1974

2. RF patent 2314175, IPC B21J 13/02, 2005

3. Copyright certificate of the USSR JY ^O 650708, IPC B21J 13/10, 1979.

4. RF patent N ° 2398648, IPC B21 L 3/04, 2008

Claims

CLAIM

1. Device for replacing strikers in four-gang forging devices, including a frame formed of articulated levers of equal levers and two parallel supports, articulated with them, with the possibility of movement in height, characterized in that it contains two parallel frames, each of which consists of two U-shaped supports, pivotally connected to each other by four broken levers in pairs and pivotally in pairs, while two pairs of equally large p adjustment levers, in each of which the adjustment levers are also pivotally connected, and the pairs of adjustment levers are interconnected by an adjusting screw passing through their articulated joints, having a handle at one end, while axis-fingers are mounted on the supports and at the joints of the polygonal levers with the possibility of installing them in the transport holes of the strikers, and the lower frame supports are connected by a screed.