KR200147264Y1 - Separating and extracting apparatus of grid electrode welding system for electron gun - Google Patents

Abstract

A grid electrode welding system for electron guns for automatically and continuously and selectively performing grid electrode supply, welding and drawing of G3 and G4 electrodes and auxiliary electrodes in the same apparatus, wherein the auxiliary electrodes are welded to the indexing table machine. Transfer means for picking up, transporting and dropping the G3 or G4 electrode from the electrode mounting member of the indexing table machine via the chuck to selectively take out and store the G3 or G4 electrode transferred to each product storage box. And a take-out means for sorting the G3 or G4 electrodes falling by the moving means and discharging them to respective product storage boxes.

Description

Drawing device of grid electrode welding system for electron gun

1 is a layout diagram showing a welding system of a grid electrode for an electron gun according to the present invention.

Figure 2 is a side cross-sectional view showing a take-out device of the grid electrode welding system for electron guns according to the present invention.

3 is a plan view showing a takeout means constituting a takeout device of the grid electrode welding system for electron guns according to the present invention.

* Explanation of symbols for main parts of the drawings

9A: means of transportation 9B: means of ejection

91: Chuck 92: lifting plate

92b: Guide 92a: Lifting Cylinder

93: sliding panel 93b: horizontal cylinder

94a: Guide 94: Fixed Plate

95: base post 95a: base post

96: sorting chute 97: sorting member

97a: Rotary Cylinder 98a, 98b: Product Storage Box

[Industrial use]

The present invention relates to an apparatus for extracting a grid electrode welding system for an electron gun, and more particularly, in welding auxiliary electrodes to grid electrodes, in particular, G3 electrode and G4 electrode, wherein the auxiliary electrode and G3 electrode or auxiliary electrode and G4 electrode. It is related with the taking-out apparatus which welded each and every and after that, it isolate | separated and extracted automatically.

[Prior art]

As is well known, the electron gun of a cathode ray tube includes a cathode that emits hot electrons, a plurality of grid electrodes that focus the hot electrons in multiple stages to form an electron beam, and connects the electrodes to the outside of the tube by pins and seals the neck portion. It consists of a bead glass which fuse | attaches a stem part and the said plurality of grid electrodes, and comprises a lens assembly.

The electron gun emits and focuses electrons and forms an image on a screen, that is, a fluorescent surface, wherein hot electrons emitted from the cathode are focused by the action of an electron lens of a grid electrode, thereby colliding, or focusing, on the fluorescent surface. , That is, to realize the image soon.

Here, the grid electrode is usually a main electrode for controlling hot electrons emitted from the cathode, a G2 electrode for pre-focusing the electron beam passing through the crossover point, and focusing the electron beam to form a focus on a fluorescent surface. It consists of a G3 electrode and a G4 electrode which form a lens.

In the in-line array electron gun having such a configuration, since the main lenses formed by the above-described G3 electrodes and G4 electrodes are closely arranged laterally, an image distortion phenomenon in which the focused electric fields are affected by each other and the electron beam spot is distorted laterally appears. do.

In order to correct such a beam distortion phenomenon, an auxiliary electrode is provided at the G3 electrode and the G4 electrode, and the auxiliary electrode is fixedly installed by spot welding on opposite surfaces of the G3 electrode and the G4 electrode.

[Problem trying to solve]

In the welding of the auxiliary electrodes to the grid electrodes as described above, in particular, the G3 electrodes and the G4 electrodes, conventionally, all processes are performed by an operator by hand.

That is, in the related art, the operator places the G3 electrode black or the G4 electrode and the auxiliary electrode corresponding thereto on an arbitrary jig, and then welds and extracts the same manually by hand, thereby performing the welding process of the auxiliary electrode.

Such a process of supplying, welding, and taking out parts by manual labor increases labor costs, that is, production costs, thereby raising product prices and lowering productivity.

In addition, the welding process is accompanied by the hassle of having to perform the welding by separating the G3 electrode and G4 electrode, or to perform a separate separation process after welding.

In view of the above problems of the prior art, an object of the present invention is to take out a grid electrode welding system for an electron gun, which is capable of automatically separating and extracting an auxiliary electrode on a grid electrode, in particular, a G3 electrode and a G4 electrode. To provide a device.

[Means to solve the problem]

As to achieve the above object, the present invention consists of the following configuration.

That is, the present invention divides the entire process such as supplying, conveying, welding, and drawing out the electrodes, and install an electrode seating member on the index table, which is transported while the G3 or G4 electrode and the auxiliary electrode are supplied and seated, In order to provide an indexing table machine that can be sequentially driven by driving, to sequentially and continuously supply and weld the auxiliary electrode and G3 or G4 electrode on the index table, and to separate them separately,

Moving means for picking up, transporting and dropping the respective G3 or G4 electrodes welded to the auxiliary electrodes from the electrode mounting member of the indexing table machine via the chuck;

A take-out device for an electron gun grid electrode welding system comprising a take-out means for sorting the G3 or G4 electrodes dropped by the moving means and discharging them to respective product storage boxes.

Here, the moving means may include a chuck for picking up the G3 or G4 electrode welded from the auxiliary electrode from the electrode seating member of the indexing table machine, a lifting cylinder for vertically moving the chuck, and a horizontal cylinder for horizontally moving the chuck; And a base post for supporting these components.

In addition, the take-out means is to drop the G3 black or G4 electrode falling from the moving means to the respective product storage box using a predetermined inclination, and the sorting chute to be the discharge passage, and dropped into the sorting chute The G3 black is composed of a sorting member for closing the other outlet to guide the G4 electrode to each outlet, and a rotating cylinder for driving the sorting member.

[Action]

As can be seen from the above-described configuration, the welding system for grid electrodes for electron guns according to the present invention divides the index table into 12 index positions, and provides electrode mounting members at every four positions, thereby providing the indexes. The auxiliary electrode and the G3 electrode black are continuously and sequentially supplied, welded, and taken out of the auxiliary mounting member and the G4 electrode while sequentially driving the table.

Here, the take-out apparatus according to the present invention provides an index table in which electrode mounting members are installed at three index positions, and drives them separately, and installs a part take-out device on its periphery to continuously and automatically take out the parts. As this, it is possible to effectively overcome all the problems caused by the manual work in the prior art.

For example, the extracting device does not require a separate sorting operation by hand, but the sorting chute and the sorting member are based on the information detected by the sensing device for the G3 electrode black or the G4 electrode welded with the auxiliary electrode. It will be separated, taken out and stored automatically.

Therefore, according to the present invention, the increase in the production cost and the increase in the product price according to the labor cost can be substantially suppressed, and the improvement in productivity can be expected.

In addition, according to the present invention, it is possible to prevent industrial accidents by improving the working environment, by automating all processes unlike the prior art.

EXAMPLE

Hereinafter, a preferred embodiment for realizing the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a layout drawing showing a welding system of an electron gun grid electrode according to the present invention, and schematically shows all processes including the present invention.

As can be seen from the drawing, the welding system of the grid electrode for electron guns divides the entire process into 12 index positions in order to continuously perform the supply, welding and take-out of parts continuously in the same apparatus, and every four index positions. That is, an index table having an electrode mounting member for supplying and supplying parts to three index positions is provided, and an indexing table machine 1 is installed to sequentially divide and drive the same through a power source.

On the outer circumference of the indexing table machine 1, a component supply device for supplying a first auxiliary electrode and a G3 electrode and a second auxiliary electrode and a G4 electrode is provided in detail on the electrode mounting member. This divides the 12 index positions into three, so that the first auxiliary electrode supply device 3 and the G3 electrode supply device 5 are arranged in the first to fourth index positions, and the second auxiliary position is provided in the fifth to eighth index positions. 3 A of electrode supply apparatuses and 5 A of G4 electrode supply apparatuses are arrange | positioned.

Here, the first or second auxiliary electrode supply device (3, 3A) is for supplying the auxiliary electrode to the electrode mounting member installed on the indexing table machine (1), the plurality of auxiliary electrodes are stored Supply means (30, 30A) for sequentially supplying the auxiliary electrodes one by one from the magazine, and a moving means for absorbing the auxiliary electrodes supplied by the supply means (30, 30A) and supplying them to the electrode seating member. And 40 and 40A.

In addition, the G3 electrode or G4 electrode supply device 5, 5A is a regular number of unspecified G3 or G4 electrodes in order to put the G3 or G4 electrode on the electrode mounting member supplied with the auxiliary electrode as described above. And supply means (50, 50A) for aligning and supplying, and moving means (60, 60A) for picking up G3 or G4 electrodes sequentially supplied by the supply means (50, 50A) and placing them on the electrode seating member. It is done by

On the other hand, between the G3 electrode supply device 5 and the second auxiliary electrode supply device 3A, that is, the third index position, the first sensing device for detecting the presence or absence of supply of the first auxiliary electrode and the G3 electrode ( 8A) is provided, which controls the signals of the continuous second auxiliary electrode and G4 electrode supply apparatuses 3A and 5A according to the information, and at the same time, the first auxiliary electrode and G3 electrode supply apparatus 3 , And control the signal of 5).

For example, the above-described first sensing device 8A includes the first and second electrodes when the information of the first auxiliary electrode and the G3 electrode is not detected on the electrode mounting member, that is, when the detection signal is turned off. The auxiliary electrode supply devices 3 and 3A and the G3 and G4 electrode supply devices 5 and 5A are turned on to supply components.

Subsequently, when the first auxiliary electrode and the G3 electrode are loaded on the electrode mounting member and the first sensing device 8A is turned on, the first and second auxiliary electrode supply devices 3 and 3A and G3 are turned on. And the G4 electrode supply devices 5 and 5A are turned off to stop the component supply. At this time, the component supply apparatus is turned off until the four index positions are moved, which is to supply the first auxiliary electrode, the G3 electrode, the second auxiliary electrode, and the G4 electrode alternately and continuously.

Accordingly, the first auxiliary electrode, the G3 electrode, the second auxiliary electrode, the G4 electrode ratio, and simultaneously supply to two of the electrode mounting members disposed at three index positions of the indexing table machine to be driven separately, but the following one electrode By seating the seating members, i.e. four index positions, the G3 electrodes loaded on the first auxiliary electrode and the G4 electrodes loaded on the second auxiliary electrode are alternately and continuously supplied to the three electrode seating members and Will be transferred.

Meanwhile, a second sensing device is installed in the process after the G4 electrode supply device 5A, that is, the seventh index position, which controls the welding device by detecting the presence of the second auxiliary electrode and the G4 electrode. do.

In addition, the first auxiliary electrode Q3 G3 electrode or the second auxiliary electrode, which is loaded while passing through the first to eighth index positions, is disposed outside the ninth to twelfth index positions of the indexing table machine 1 which are not described. And a device for welding and taking out the G4 electrode is provided.

Here, the welding device 7 is disposed in the ninth index position as can be seen through the drawing, and the laser welding the side of the contact portion of the first auxiliary electrode and the G3 electrode, which is different from the manual work of the present There is no danger in the work, and the welding yield can be increased by uniformly and firmly welding.

In addition, the extraction apparatus 9 disposed at the eleventh index position of the indexing table machine 1 may take out and store the G4 electrode welded to the auxiliary electrode in the same manner as the G3 electrode welded to the auxiliary electrode, And the G4 electrode is sorted out.

In addition, a third sensing device is disposed in the twelfth index position of the indexing table machine 1, which detects whether the G3 and G4 electrodes are taken out, and is then supplied with the first auxiliary electrode and the G3 electrode. Signals are sent to the feeders 3 and 5.

FIG. 2 is a side cross-sectional view showing a take-out device of the present invention constituting the welding system for grid electrodes for electron guns described above, wherein reference numeral 10 denotes the above-described index table as described above.

On the electrode seating member 11 provided in the index table 10, the G3 black or G4 electrode, to which the auxiliary electrode is welded, is loaded while passing through the above-described welding apparatus 7.

On the other hand, the take-out apparatus 9 according to the present invention includes a moving means 9A for picking up and moving the G3 black or silver G4 electrode welded to the auxiliary electrode from the electrode mounting member, and dropping it to the take-out means; Or take-out means 9B for selectively separating and storing G4 electrodes.

Here, the moving means 9A includes a chuck 91 for picking up a G3 or G4 electrode rate arranged above the electrode seating member 11.

The chuck 91 is supported by the elevating plate 92, which is coupled to be movable through the guide 91a, and the center guide 91a is connected to the elevating plate 92. In order to maintain a predetermined elastic force, the spring 91b is supported. In addition, the guide 91a is integrally connected to the support 91c through the Sunggang plate 92.

The lifting plate 92 is integrally connected to the vertical movement by the operation of the lifting cylinder (92a), the lifting cylinder (92a) is fixed to the sliding panel (93).

In addition, the lifting plate 92 is formed with a sole guide (92b) integrally, which is installed so as to slide through the sliding panel (93).

The support 92c fixed to the other end of the elevating guide 92b is supported by a spring 92d between the fixed portion 93a of the sliding panel 93, which corresponds to the elevation of the elevating plate 93. It acts as a cushioning means.

On the other hand, the sliding panel 93 is to slide in the left and right directions of the drawing, which is formed on the fixed plate 94 by the operation of the horizontal cylinder (93b) installed on one side of the fixed plate 94 The guide 94a is integrally fixed to the fixing member 94d.

Here, the fixing plate 94 is provided with a stopper 94b and a shock absorbing member 94c for limiting the sliding panel 93 when it is moved left and right.

The moving means 9A having such a configuration is supported while the fixing plate 94 is integrally fixed to the base post 95 as a base.

Accordingly, the G3 or G4 electrode to which the auxiliary electrode fixed to the chuck 91 is welded is moved to the product dropping position of the takeout means 9B according to the operation of the elevating plate 92 and the sliding panel 93.

The extraction means 98 classifies and extracts the G3 electrode and the G4 electrode to which the auxiliary electrode is welded through the sorting member, and the classification means is inclined and dropped from the chuck 91. Directing the sorting chute 96 having two outlets and the G3 electrode or G4 electrode dropped to the sorting chute 96 to each outlet to selectively discharge the electrodes into the product storage boxes 98a and 98b. In order to cover the discharge port of the other side is composed of a sorting member 97, and the rotating cylinder (97a) for driving the sorting member (97).

In addition, the extraction means 98 is fixedly installed on the base post 95a.

3 is a plan view showing the sorting chute of the extraction means, which is viewed from above in FIG.

As can be seen from the figure, the sorting chute 96 has two outlets, the product storage box (98a, 98b) to separately store the G3 electrode or G4 electrode welded to the auxiliary electrode in the outlet; Is connected.

In addition, the sorting member 97 is disposed at approximately the center of the inner passage of the sorting chute 96, and is driven by the rotating cylinder 97a as shown in the drawing, and passes along the G3 electrode or G4 electrode. Will be opened and closed.

[Effect of design]

As described above, the apparatus for extracting a grid electrode welding system for electron guns according to the present invention includes a first auxiliary electrode and a G3 electrode or a second auxiliary electrode and a G4 mounted on an indexing table machine which is divided into 12 index positions and sequentially driven. After welding the electrode sequentially, it is a device for separating and taking out each product storage box.

Therefore, according to the present invention, the auxiliary electrode can be continuously welded to the G3 or G4 electrode on the same device at the same time and separated out.

The take-out device of the present invention is to automatically select and take out the above-described product, it is possible to substantially suppress the increase in the production cost and the increase in the product price according to the labor costs, as well as to improve the productivity.

In addition, the present invention is not limited to the above-described embodiment, it is possible to apply not only the welding of the components for the electron gun, but also to the take-out device of the mechanical element consisting of a multi-layer laminated structure.

Claims (3)

A secondary electrode is supplied to an electrode seating member installed in an indexing table machine divided into 12 index positions, and a grid electrode, particularly a G3 or G4 electrode is loaded and welded on the auxiliary electrode, and then selectively taken out. An apparatus for taking out a grid electrode welding system for an electron gun; Selecting means 9A for picking up, conveying and dropping from the electrode seating member of the indexing table machine via the chuck of the G3 or G4 electrode to which the auxiliary electrode is welded, and selecting the G3 or G4 electrode dropped by the moving means. And a takeout means (98) for discharging the respective product storage boxes. The moving means 9A includes: a chuck 91 for picking up a G3 or G4 electrode welded with an auxiliary electrode from an indexing table machine, and a lifting plate (moving up and down while supporting the chuck 91). 92, the elevating cylinder 92a for moving the elevating plate 92 through the guide 92b, the sliding panel 93 on which the elevating cylinder 92a is seated, and the sliding panel 93 A correction cylinder 93b for moving straight through the guide 94a, a fixing plate 94 on which the guide 94a and a horizontal cylinder 93b are fixed, and a base post supporting the fixing plate 94 95) A device for taking out a grid electrode welding system for an electron gun, characterized in that it comprises a). 2. The sorting chute as claimed in claim 1, wherein the takeout means (98) drops the G3 or G4 electrode dropped from the chuck (91) of the moving means (98A) to the respective product storage boxes (98a, 98b). (96), and a sorting member (97) for closing the other discharge passage to guide the G3 or G4 electrode dropped to the sorting chute (96) to the respective discharge passage, and the sorting member (97) And a rotating cylinder (97a) for driving and a base post (95a) for supporting the sorting chute (96).