HU189798B - Automatic machine with rotating nest for making luminescent tube and method for making shaky luminescent tube taps with tightened end of base - Google Patents

Abstract

Fluorescent tube pins with narrowed head ends are manufactured using an automatic machine by a rolled tube being prepared from a metal band as basic material and cut into tubular pieces 2b, each of which is supplied to a carousel insert 12, with which different striker head inserts 13 successively interact. In this connection, the upper end of the tubular piece 2b is increasingly narrowed, while the lower end of the tubular piece 2b, supported on a feed mandrel 11, is upset in the carousel insert 12. Subsequently, a circumferential bead is formed on the tubular piece 2b in an area lying between the carousel insert 12 and the striker head insert 13e by exerting an axial force. <IMAGE>

Description

FIELD OF THE INVENTION The present invention relates to a method for producing narrow-head fused fluorescent taps from a metal strip material by multi-stage narrowing and subsequent coiling of rolled tubular pieces, and to a machine apparatus for producing the process, a rotary-tube fluorescent lamp manufacturing machine.

Our process and equipment are more advantageous than previously known in the manufacture of narrow-ended (weldable) flux pins used as a component of fluorescent lamps.

One of the most important requirements for these fluorescent taps is that the tapered end of the stud ensures that the discharge wire is securely threaded when installing the fluorescent lamp. To ensure this, the tapered head of the stud must have a smooth, soy-free inner surface and, where appropriate, within a tolerance. In view of these, the pins are made of homogeneous material and there are basically two methods of making them. These two known methods a

- production of strip material, multi-step batch drawing, batch drawing or batch drawing on a target, and

- multi-step forming of tubular material with suitable machinery.

The disadvantages of these known manufacturing techniques are that they produce extra waste material for strip manufacturing, and for tube-based fabrication, when the diameter of the initial tube is adapted to the size of the fluorescent tube to be manufactured, the additional cost of tolerating the base material.

The object of the present invention is to solve the problem of producing narrow-ended (weldable) fluorescent taps in a more economical way than those known hitherto. The present invention is a technology for producing tap-rolled tapes made of metal strip raw material, which provides nearly 100% material yield.

The manufacturing technology of the present invention is based on the discovery that a piece of tubular material wrapped in a metal strip material acts as a homogeneous material during head-taper shaping without the inner mandrel. Thanks to this, it can be shaped properly and, in the narrowed part of the finished tap, the dividing line resulting from the wrapping disappears completely, and the material of the tap is approx.

For narrow-head fluorescent valves, the forming ratio of the narrowed head part is d / D on average 0.5 where d is the narrowed diameter, D is the pre-forming diameter. For this reason, on the one hand, and because of the fact that during each step of tapering, no stress is created that causes the pin to prematurely collapse, the shaping is done in several steps.

SUMMARY OF THE INVENTION A method for producing narrow-head fused fluorescent pins comprising forming and slicing a roll of tubular material from a metal strip material, adding it to a forming unit and shaping it to the required shape and size using the operations of the feature of claim 1.

The invention also relates to a rotary-tube fluorescent tube manufacturing apparatus for carrying out the process, comprising a tube pulling, cutting and dispensing unit and a forming unit as defined in the characterizing part of claim 2.

BRIEF DESCRIPTION OF THE DRAWINGS The present invention will be described in detail with reference to the accompanying drawings, which are illustrated in the following figures:

Figure 1: Schematic diagram of an automatic construction of a rotary tube fluorescent tube manufacturer.

Figure 2: Side view of the hammerhead and rotator (outline A in Figure 1, detail A).

Figure 3: Top view of rotary cavity unit.

Figure 4; Fluorescent tap forming steps.

Figure 5: Finished fluorescent tap made by rotary-tube fluorescent tube maker (one model possible).

Figure 1 shows that the starting material 2 is wound on a threaded body 1 on the upper part of the machine. The metal strip material 2 is pulled through the tension ring 3 into a rolled tube 2 / a. Pulling is performed by 5 cartridges and then the cutter 6 cuts 2 / b rolls of the set size. The cut piece 2 / b is then cut through a conveying pipe 7 to a feed jaw 8 which feeds the piece 2 / b into the forming unit A of the machine.

The forming unit Aj essentially consists of two main parts. From the hatching unit 10 and the hammer unit 9 in the fixed position.

Further operations are shown in Figures 2, 3 and 4. The rolled tubular piece 2 / b fed into the forming unit A is pushed by a spring punch 15 into the rotary cavity insert 12 below the metering position as the machine strokes. The bobbin piece 2 / b thus inserted in the rotary cavity insert 12 rotates the rotary cavity 22 under the beater head 13 / b, which closes the upper end of the bobbin cavity insert 12 and the beater head 13 / b when closing the rotary cavity insert 12 and 13 / b. .

During shaping j, the lower end of the wrapped miracle 2 / b, due to the wedge effect of the dispensing pin 11, is inserted into the insert 12, whereby when the hammer unit 9 is opened, the 2/1 wrapped miracle always remains in the insert 12.

The bleaching operation of the tap tip is repeated with the appropriate number of 13/5, c, d insert inserts according to the particular reduction needs. The rolled-up pipe piece 2 / b is placed in series below the rotating seat.

As a final forming operation, the wrapped tubular member 2 / b is engulfed such that upon closing of the rotary cavity insert 12 and the hammer insert 13 / e, the narrowed head of the wrapper 2 / b in the previous operation sits in the hammer insert 13 / e and The wrapped miracle piece 2 / b is engulfed by the rotating nest insert 12 and the hammer insert insert 13 / e prior to each slot.

Finally, the rolled tubular piece formed into a finished fluorescent tube 21 is ejected from the rotary nozzle insert by further rotation of the rotary cavity 22.

The forming phases in the rotary cavity 22 are shown in Fig. 4, and Fig. 5 is an enlarged view of the completed fluorescent tap 21. In Fig. 4, position I is the insertion of the 2 / b wrapped miracle, II-IV is the narrowing! shows the operations of V. the consuming, the VI. and give up. If the finished fluorescent pin 21 remains at the dispatch pin 11 upon ejection, it will be removed by the ejector 19 when capturing the rotor 22.

The construction of the rotary-tube fluorescent tube maker suitable for carrying out the process is illustrated in Figures 1, 2,

Refer to Figures 3 for details. This construction has been substantially described in the above description of the process.

To understand how the 10 rotary unit works, we additionally consider the following ·

189,798 banners to perform lectures 1-3. Figures.

During the downward movement of the machine head 4, the previously wrapped miracle piece 2fb, which was previously fed with the jaw feeder 8, is pushed from the jaw feeder 8 with the spring-loaded punch 15 into the rotary seat insert. Thereafter the handle 17 retracts to its initial position, the gripper feeder 8 leaves the work area and, at the end of the stroke, the rolled mirrors 2 / b are formed under the hammer inserts 13 / a, b, c, d, e position 21 the finished fluorescent tap 21 is dispensed.

As the pusher 4 moves upward, the handle 17, which is actuated by the slider 20, rotates the rotary cavity 22 in one increment, positions the positioning latch 18 and feeds the rolled miracle 2 / b into the working space with the gripping jaw 8.

Execution example

The dimensioned finished fluorescent pin 21 of Figure 5 is made in accordance with the present invention. CuZn 37 1 0.3x7.2 mm brass tape was used as the starting material. The dimensions and tolerances specified in the drawing were fully ensured by our process and equipment. With a power output of 170 db / min, the material yield is over 98%.

Claims (2)

Claims CLAIMS 1. A method for producing narrow-head fused fluorescent taps, comprising forming a wound piece of metal strip material, slicing it, adding it to a forming unit and shaping it into a desired shape in the forming unit, characterized in that is placed over the rotary cavity (22) of the forming unit, from where it is pushed into the rotary cavity insert (12), the rolled tube piece (2b) so inserted into the rotary cavity insert (12) each time the rotary cavity (22) rotates the rotating head l3a, b, cd, e) which are placed under the upper end of the wrapped miracle piece (2b) when the beating head inserts (13a, b, c, d, e) are closed when the rotating seat insert (12) is closed (I3b, c, d) the lower end of the wrapped wonder piece (2b) due to the wedge effect of the dispensing pin (11) in the forming operations insert (12) zömül the rolled csodarab (2b) in each case remains whereupon beater head unit (9) opening (12) of the rotating seat insert, then the rolled piece of pipe (2b) is obtained rogyasztjuk that the rotary seat insert (12) and the reflector ₁ _ upon closing the head inserts (I3a, b, d, e), the narrowed upper end of the wrapped miracle piece ¹⁰ (2b) sits in the hammer insert (I3e) and the wrapped miracle piece (2b) is rotated in the insert (12) and the hammer insert (12). 13e) and finally the finished fluorescent pin (21) is released by the lower dispensing arm (16) from the fork seat insert (12), which is then removed by blasting (19) or air blowing. An automatic rotary-tube fluorescent lamp production apparatus for carrying out the process of claim 1, comprising a tube-pulling, cutting and dispensing unit and a forming unit, characterized in that the forming unit has a rotary-seat unit (10) and a fixed hammer-head unit (9); the rotary cavity unit (10) having a gripping jaw dispenser (8), a rotary cavity (22) and inserts (12) for the rotary cavity, a handle (17), a lever (20), a positioning latch (18) for moving and securing the cavity; ), ejector (19), dispatch pin (il), dispatch lever (16), and the hammer assembly (9) has a stop plate (23) and a spring punch (15) of the hammer insert (13a, b, c, d, e). ) and has a ram (14).