SU828165A1 - Device for deburring time-piece components - Google Patents

Description

one

The invention relates to watch manufacture, more specifically to the finishing machining of watch parts, and can be used in watch and instrument-making plants, as well as in machine-building enterprises.

A known deburring installation comprising connecting rods, each of which rotates around fingers on a disk eccentric to the axis of the shaft which drives this disk 1 to rotate. A vertical reciprocating motion is communicated to the disk.

However, this device does not provide the required quality of processing. Parts such as watch plates, the burrs are partially removed.

The closest in technical essence to the invention is a device for removing burrs from watch parts, containing two installed coaxially disks, on the lower part of which are machined parts, and a brush connected with a vibrator and installed in the upper disk with the possibility of reciprocating in the vertical plane 2.

The known device provides removal of burrs from watch parts of a simplified form, but cannot be used for

watch parts with precise dimensional protrusions such as platinum.

The aim of the invention is to improve the quality of machined parts by ensuring the movement of the brushes along a path corresponding to the profile of the surfaces to be machined.

To achieve this, in the device for removing burrs from the watch parts, the upper RDD disc is provided with frames in which the guide and the carriage with a movable disk with a contact disk are mounted with each other.

a lever and a ring on which movable contacts are installed, while in the movable disk a through groove is made, in which a stand is mounted for movement and fixation with a spindle mounted for movement relative to the vertical axis at the end of which a brush is fixed. In addition, the brush is made of a bundle of fine wire, which is wound around the perimeter with an elastic sleeve.

FIG. 1 shows a deburring device; in fig. 2 tool brush; in fig. 3 - multi-position deburring machine.

The deburring device consists

out of frame 1, sub-guide 2 and

the carriage 3, and the guide 2 and the carriage 3 are adapted to move relative to each other and relative to the frame 1 by means of screws 4 and nuts and nuts 7. 7. Inside the carriage 6 there is a rotary disk b fixed on one shaft with a worm gear reducer 9 The disk 8 has the possibility of reversing vrash, eni around its axis both at full speed and at any given angle from the electric motor 10 through the gear 9.

In addition, a ring 11 with movable and fixed two contacts 12 is fixed on the carriage 3, and a lever 13 is mounted on the rotary disk 8. Reversibility of rotation and rotation at a certain angle is ensured by the interaction of the lever 13 with buttons 12. The rotary disk 8 has a through groove in which movable stand 14 is installed. On the vertical wall of the latter, the body 15 of the spindle 16 can be rotated and fixed, rotatably by means of a flexible roller 17 from the electric drive and making a return post atelnye movement under the action vioratora 18. At the lower end of the spindle 16 is secured, the brush tool 19 of steel wires. The brush at the time of processing in contact with the workpiece 20.

The tool-brush (see Fig. 2) consists of pipes 21, a bundle of steel corrugated wires 22, and an elastic tightening sleeve 23, which secures the steel wires 22 from fluffing.

FIG. Figure 3 shows a multi-position deburring machine for watch platinum. On the base 24, a multi-position swivel disk 25 with processed products 20 mounted on it is mounted. On the rack 26 a disk 27 with sand wheels (eight in Fig. 3) for deburring (see Fig. 1) and a drive consisting of motor 28, gear 29, gears 30, and flexible rollers 17 driving the spindles 16. The rack 26 with the disk 27 and the motor 28 has the ability to rise and fall under the action of the mechanism that is located inside the base 24. shown).

The device for removing burrs from watch parts works as follows. The entire machined complex curved surface of the product 20 is divided into a number of elements. Each device (see Fig. 1) adjusts to a specific element of the curved machined surface of the product 20. For this purpose, the rotary disk 8 with the help of the movable guide 2 and the carriage 3 is set in a position where its axis passes through the center of curvature of the element of the curve being processed. Then, the post 14 with the spindle 16 is displaced to a position where the brush begins to touch the surface to be treated. The contacts 12 on the ring 11 are installed at a certain distance from each other, corresponding to the central angle of the processed curve of the product 20. The electric motor 10 is turned on and the disk 8 begins to reversely rotate around its axis through a fixed angle, and the brush 19 describes an arc with a radius of the element of the processed curve. In this case, if it is necessary to remove a burr on the surface with an undercut, the body 15 of the spindle 16 is inclined at a certain angle. For processing the straight sections, the spindle is tilted at a large angle and in this case it describes an arc approaching the straight processing line. Thus customize each

device.

On the machine (see Fig. 3), the products 20 are mounted on a rotary disk 25. A rack 26 with adjusted devices from the upper position is lowered to the lower

before the brushes 19 touch the processed products 20. The brushes 19 begin to move along the arc, rotating simultaneously around their axis, and oscillating along it. As a result of this happening

eat burrs. The post 26 then rises, the finished product is automatically dropped, and in its place a new product is automatically installed, which, having passed through the rotary disk 25 throughout

circle is processed.

The device allows improving the quality and reliability of removing burrs from parts of complex profiles.

Claims (2)

1. A deburring device for watch parts, comprising two coaxially mounted disks, on the lower part of which are machined parts, and a brush connected to a vibrator and installed in the upper disk with the possibility of reciprocating movement in the vertical plane, characterized by that, in order to improve the quality of the machined parts by ensuring the movement of the brushes along the trajectory corresponding to the profile of the surfaces being machined, the upper disc is provided with frames in which it is installed with with the movement of the guide relative to one another and the carriage on which the movable disk is placed with It has a contact lever and a ring on which movable contacts are installed, while in the movable disk there is a through groove in which a rack is mounted for movement and fixation with a spindle mounted for movement relative to the vertical axis, at the end of which a brush is fixed. 2. A device according to claim 1, characterized in that the brush is made of a bundle of thin wire, arranged around the perimeter of the elastic coupling. Sources of information taken into account in the examination 1. US patent number 3827186 class B 24V 1/00, 1975, 2. USSR author's certificate number 970878, cl. G 04D 3/02, 03/05/76 (prototype). / 2 / 7 -22 r8 from