SU704811A1 - Apparatus for making holes in button eyelets - Google Patents

Description

one

The invention relates to the furniture industry, namely to the production of buttons, to equipment for their manufacture.

A device for making holes in buttonhole ears is known, including a button tray mounted on the base for supplying a processing unit with a processing tool, a cutter, a clamping unit and a fixing unit having a catcher 1 installed in the body of the unit on the movable slider.

In the known device, holes are obtained by drilling. This chip clogs the jig, which is required in the blower or flushing device. However, fat chips are poorly blown. All this reduces the quality of processing, increases downtime of the device, i.e., reduces its productivity.

The purpose of the invention is to improve the performance and reliability of the device.

This is achieved by the fact that it is equipped with a matrix mounted in the block body with a groove under the gutter buttons and pushers mounted on a movable slide, passing with a catcher through the holes made in the matrix, and the machining tool is made in the form of a punch.

To improve the quality of processing, the device is equipped with an additional processing unit for chamfering located under the main processing unit, including a button turn stop and an additional pressing unit and a safety device.

FIG. 1 shows the pre-a, the device in section; in fig. 2 is a section A-A of FIG. It in FIG. 3 - section BB but FIG. one; in fig. 4 shows a sectional view of a matrix with a button held in it by the pushers at the moment of punching.

holes; ka fig. 5 - the same at the moment of pushing the buttons out of the matrix.

The device contains a hopper with an orientator (not shown in the drawing), a tray 1 for feeding buttons with a longitudinal groove 2

buttonhole, spring-loaded lever mechanism 3 with clamping safety device 4 placed in branch of tray 1. Repeating eyelet profile of workpiece catcher 5 and two symmetrically located pushers 6 are mounted on spring-loaded movable slide 7 and form a fixing unit, which, together with the clamping unit, is located in the form of The slide 8 of the spring-loaded clamping stop 9 holds the workpiece in the matrix 10, having a groove under the eyelet of a button and mounted in the housing 11 of the fixing unit. The processing tool for forming the aperture is a punch 12.

Under the main processing unit, downstream of the tray 1, there is an additional processing unit for chamfering, including a stop 13 for turning the workpiece, an additional safety lock 14, similar to the safety hook 5, also mounted on the slider 7, and the spring clamping stop 15 in the slide 16, supporting button during operation of the drill 17. Stop 15 like stop 9 enters the window of tray 1.

The synchronism of movement is carried out from the cam drive (not shown) ...

The device works as follows

Tray 1 overlap, manually inlet the safety device 5 to the groove of the tray, manually fill the tray, turn on the device. In this case, one cam supplies a spring-loaded clamping stop 9 to the bottom blank and, through the lever mechanism 3, presses the clamping cutter 4 to the penultimate button. Another cam through spring-loaded slider 7 leads pusher 6 and safety device 5 to the workpiece. Thus, the position of the workpiece in the matrix 10 is fixed at the time of punching by punch 12. Punch 12 is activated from the third cam, punching a hole in the cane and throwing waste into the container (cams and containers on drawing not shown).

After the withdrawal of the punch 12 and the spring-loaded clamping abutment 9 to the initial positions, the safety device 5 and the ejector 6 push the button out of the matrix 10 into the tray 1 and it falls into the container or further along the tray to the next safety device 14. Then the safety device 5 and the ejector 6 take the initial position, departs to the left (according to the drawing) clamping squeeze 4, the next workpiece occupies a position for processing. The cycle is repeated.

If a chamfer is required in the eyelet hole (on a button or other shaped part), the button gets to the next hook 14, is set to the working position with the hook of the presser stop 15 in the turn retainer 13 and the drill drive 17. There is also a deburring of the burrs or partial chamfering.

After chamfering, the button along with the chips enters the container (not shown). At the same time, there is no threat of heating the drills or clogging the device chips during the work of the shift. The machine works smoothly, production increases by 1.5-2 times compared with drilling.

Claims (2)

1. A device for fabricating holes in button races, including a button tray mounted on the base for supplying buttons to a processing unit with a machining tool, a cutter, a clamping unit and a button fixing unit, having a catcher installed in the body on a movable slider, characterized by that, in order to improve the performance and reliability of the device, it is equipped with a matrix mounted in the block body with a slot under the eye of a button and pushers mounted on the movable slide, passing with the safety gear through The holes are made in the die, and the machining tool is made in the form of a punch. 2. A device according to claim I, characterized in that, in order to improve the quality of machining of the holes, it is provided with an additional processing unit for chamfering located under the main processing unit, including a button turn stop and an additional pressing unit and a catcher. Sources of information taken into account during the examination 1. USSR Author's Certificate No. 323280, cl. In 29 D 19/08, 1969 (prototype). 2Zli (zzz K-f ( 12 Figg B-B / rt ZZ3ri / 5