The device for installation and removal of stamps

 

(57) Abstract:

Usage: metal forming, in particular the installation and removal of the dies from the table of the press. The inventive device for installation and removal of stamps contains two T-shaped lever with a pair of rollers inserted into the T-shaped grooves of the punch plate. On the levers rigidly mounted holder. To prevent shifting efforts levers screwed stud. The press slide mounted T-shaped earring. In the hole earrings posted by a flexible element associated with a pair of rollers. 3 Il.

The invention relates to the field of metal forming and can be used when installing and removing the stamps from the table of the press.

The known device for changing dies (see Saghatelyan HP safety appliances and mechanization in Volodymyrovych production, engineering, 1973, Fig.109.with. N 804526 MKI 30 In 15/02), consisting of a three-stage gearbox, the two drive gears with jaw clutches switch, two rails with Cams and bracket to maintain propulsion. The disadvantage of such devices is the difficulty in manufacture and repair.

A device for installation and SNO is installed on the frame of the press two pairs of rollers and pivotally connected with the frame of the press swing arms with stops and replacement rolling pin, connected by a flexible element with the driving element and the rollers. Moving a punch with the punch plate to the brackets is when lifting the drive mechanism, i.e., the hook of the crane. The disadvantage of this device is that it is stationary, is mounted directly to each media individually and require to actuate the actuator of the crane.

The technical result to be obtained by use of the invention is to expand the technological capabilities of the device, versatility, as well as simplifying the design.

The technical result is achieved in that the device for installation and removal of the dies from the press, including the drive mechanism, the levers with a pair of rollers through which the stamp is associated with the driving mechanism of the flexible element, earrings, T-shaped, and mounted on the drive mechanism in the holes which is freely flexible element, levers with paired rollers is made T-shaped and mounted on the punch press plate and the fixation device made in the form of adjusting studs, threaded rods and nuts.

In Fig.1 depicts the depicts the design of the device for installation and removal of the stamps.

The device comprises two T-shaped lever 1 is inserted into the T-shaped grooves of the punch plate, on which is rigidly mounted holder 2 and 3 in the slots on the axis 4 hinged through the sleeve 5 roller pair 6. To prevent shifting efforts in the lever 1 screwed stud 7, which includes a threaded strap 8 and the nut 9.

In a press slide is inserted into the T-shaped earring 10 in the hole through which the shackle 11 is fixed a flexible element associated with a pair of rollers 6.

The device operates as follows.

When installing a stamp to press the cable 12 is covered by the lower part of the stamp. The slider is in the down position. During the course of the slide up the cable 12 through the rollers 6 pulls stamp in the working area of the press. Strap 8 captures the rollers 5 in the desired position.

When removing the stamp from the press of the T-shaped lever 1 is rotated, the cable 12 is covered by the lower part of the stamp. The slider is in the down position. During the course of the slide up the cable 12 through the rollers 6 pushes the stamp from the working area of the press on the table. Strap 8 captures the rollers 6 in the desired position.

Technical and economic efficiency of the device, compared with the prototype, is znachitelnoi. The device is simple to manufacture, convenient in maintenance, compact and improves safety conditions.

The device for installation and removal of the dies from the press, containing a drive mechanism, levers with a pair of rollers through which the stamp is associated with the driving mechanism of the flexible element, and means for fixing, characterized in that it is supplied mounted on the drive mechanism earrings T-shaped holes which is freely flexible element, levers with paired rollers is made T-shaped and mounted on the punch press plate and the fixation device made in the form of adjusting studs, threaded rods and nuts.

 

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FIELD: metal working.

SUBSTANCE: hard alloy matrix has casing, bushing pressed in the case and hard alloy insertion. Bushing has multifaced hole. Hard alloy insertion is composed by several sections made in form of trapezoidal-section prisms which have cut angles at their non-working edges. Number of sections corresponds to number of faces of item to be headed. Cuts of angles are made symmetrically to faces of working edge. Slits are made in several places of multifaced hole bushing at the ponts where faces cross each other.

EFFECT: improved resistance of matrix; simplified assembly.

3 cl, 1 dwg

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