US2423036A - Assembling machine - Google Patents

Description

June 24, 1947. N. H.' MAGEOCH. 2,423,036l

ASSEIBLING MACHINE f /NvENToR N H MAGEOCH l Rm wim June 24, 1947. N. H.. MAGEOCH 2,423,036

ASSEKBLING MACHINE vFiled .my 25. 1944 :s sheets-sheet 2V /NvEA/Ton MH AMGEOCH vBV ma mi ATTORNEY June 24, `1947. N, vMAGEQ'CH 2,423,036

ASSEUBLING MACHINE Filed July 25. 1944 3 Sheets-Sheet 3 ATTORNEY Patented June 24, 1947 ASSEMBLING MACHINE Nelson H. Mageoch, Westfield, N. J., assignor to Western Electric Company, Incorporated, New

vYorli, N. Y., a corporation of New York Application July 25, 1944, Serial No. 546,561

Claims.

This invention relates to assembling machines. and more particularly to lmachines for assembling crystal units.

In the manufacture of certain types of quartz crystal units, the crystal is enclosed in a housing and it is important that the housing as well as the crystal be freed of moisture.

An object of the invention is to provide an assembling machine which is highly efficient and practical for use in assembling articles into units.

With this and other objects in view, the invention comprises an assembling machine having a support to move articles to be assembled in a given path, means for use in assembling certain of the articles with connecting members to form units thereof, and means actuated at given intervals to deposit a sealing material on the connecting members. v

Other objects and advantages will be apparent from the following detailed description when considered in conjunction with the accompanying drawings, wherein Fig. l is a, top plan view of the machine, portions thereof being broken away;

Fig. 2 is a side elevational view of the machine, portions thereof being broken away;

Fig. 3 is an enlarged vertical sectional view of a portion o f the machine, illustrating the depositing of the sealing material on the connecting members or screws of the units;

Fig. 4 is an enlarged fragmentary detailed View taken along the line 4-4 of Fig. 1, and

Fig. 5 isa fragmentary detailed sectional view taken substantially along the line 5-5` of Fig. 3.

Referring now to the drawings, attention is first directed to Fig. 1, which illustrates a support or turret I0 movable about its axis at a given low speed, approximately one revolution every half hour, to move units formed of the articles, namely casings II (Fig. 4) and their covers I 2, at spaced locations in the given circular path. These articles are moved throughl an oven i4 in which a series of heating lamps I 5 are disposed to heat thearticles and to drive' off all moisture therefrom. This result is accomplished although the units are partially assembled manually prior to their entering the oven by placing the covers upon their respective caslngs and positioning retaining members, such as screws I6 (Figs. 3 and 5), in the apertures provided therefor in the articles. Sealing washers I'I space the articles apart so that moisture may be driven from the inside of the casings Il. Through the aid of an air-driven screw driver t I8, the screws I6, there being two in number for each unit, may be simultaneously driven l until the covers for each unit are uniformly secured in place. The units remain at fixed positions upon the support I0 and continue their travel toward and past a sealing unit I9, where, under the control of each unit, means is actuated to cause ejection of quantities of sealing material 20 (Fig. 3) to be forced or caused to drop into the apertures over the screws I6.

Considering now the specific structure of the machine, atttention is directed to Fig. 2, which illustrates a frame 22 supporting the remaining structure of the machine including an electric motor 23 which drives a speed reducing unit 24, an output shaft 25 of which has a pinion 2B mounted thereon. The pinion 26 drives a bevelled gear 2l, which-is fixedly mounted upon a vertical shaft 28, the latter being supported by a bearing bracket 29. A pinion 30, fixed to or formed integral with the shaft 28, drives a ring gear 3|, which is xed to the under surface of the support I 0, to thus move the support at a givenspeed about its axis. Thesvsupport I0 has an integral hollow cylindricall portion 33 which serves as a hollow shaft rotatable about a vertical stationary hollow shaft or structure 34, the latter being xed in any suitable manner to the frame 22. A table 36 is mounted upon the fixed shaft 34 and assists in supporting the upper structure of the machine.`

The oven I4 is supported by suitable brackets 38 'and 39 and is provided with suitable insulating material as indicated at 40. The oven is also formed to receive the articles II and I2 for their movement into, through and out of the oven.

The screw driver unit I8 is supported as illustrated in Figs. 1 and 2, and may be of any desired structure including screw driver elements 42 disposed at given positions corresponding to the spaced positions of the screws I6 and driven .by air under pressure or other suitable power means. The detailed structure of the unit I 8 will not be specifically shown or defined, as it is tobe claimed generally. The screw driver unit I8 is supported by a bent pipe or tubular member 44 supplied with air under pressure from a supply line 43 connected to the screw driver unit through lines 46 and 41.' The screw driver unit includes a hose portion 48 flexible so that the head 49 supporting the screw driver elements 42 may be moved.

to the necessary positions during theA continuous movement of the support I0.

The sealing unit I 9- supported by the fixed hollow shaft 34 extends outwardly therefrom to a position above the articles on the support I8. The outer end of the unit I8 includes a housing 45 having a cover 48 therefor hlngedly mounted at 41. A receptacle 48 is disposed in the housing 45 and extends through an aperture 48 in a bottom wall 58 of the housing. Two .iets or nozzles of the cross-sectional contour illustrated in Fig. 3 extend through apertures in the bottom wall of the receptacle 48 and are provided with vertical apertures or passageways 52 and horizontal passageways 58. The upper portions of the vertical passageways 52 are enlarged to receive. valves 55, which are normally held closed, to close both apertures 52 and 58 by the aid of springs 55.'

The springs 58 are disposedconcentric with the valve stems 51, which extend vertically into guides 58, the latter beingintegral portions of a cover 59 of the receptacle. Collars 88, mounted upon their respective valve stems 51 and ilxed thereto, are disposed beneath the springs 58 and receive the forces therefrom to hold their respective valves 55 closed.

A fiat plate 52, apertured to receive reduced upper ends 63 of the nozzles or jets 5|, is held in place by the aid of a bolt 84 and is only slightly larger in width than the diameter of the reduced portions 63, so that the opposing sides of the receptacle 48, which is cylindrical in cross-section, may be free for the passage of sealing material 28 to pass therethrough. The sealing material is not shown in Fig. 3 other than the deposits thereof in the apertures over the heads of the screws or connecting members I8, but it should be assumed that the receptacle 48 may be substantially filled with the sealing material, which in the present instance is a suitable lacquer. The cover 58 is normally held closed through the aid of thumb screws 88 and may be removed from the receptacle by the opening of the cover 46 of the housing 45, so that the sealing material may be disposed within the receptacle.

The power means for opening the valves 55 includes a solenoid 88 mounted in the housing 45 and including a core 58 pivotally connected at 18 to an actuating member 1|. The member 1I is pivotally supported at 12, the latter being carried by a vertical frame 13. The frame 13 has outwardly projecting integra1 portions 14 which carry variable stop screws 15 and 18; the latter having helical springs 11 disposed concentric therewith for a purpose hereinafter described. An arm 18 is integral with the actuating member 1| and is positioned between the upper stops 15 and 18, the former governing the normal position of the actuating member, while the latter limits the actuating movement of the member, the adjacent spring in turn serving to normally hold the arm 1n engagement with its respective stop screw 15. A latch 8I is pivotally connected at 82 to the actuating member 1| and is normally urged counterclockwise by a spring 88. A tooth 84 of the latch 8| is positioned to engage a companion tooth 85 of an actuating element 88, the latter having its adjacent end mounted upon the pivot 12. The element 88 is provided with an arm 88 integral therewith and extending between the lower stop screws 15 and 18 and controlled thereby as well as by the adjacent spring 11. The outer end of the element 88 is blfurcated, as at 88, to straddle a connecting rod 8| which extends through a bushing 82 in the cover 58. A lateral member 83, carried by the inner end of the rod 8|, is apertured for the valve stems 51 and supports the collars 68 thereof. Suitable washers 85 serve to seal the bushing 82 when the rod 8| is in its uppermost position. A threaded member 88, disposed upon a threaded portion 81 of the rod 8|, is engaged by the bifurcated end 88 oi the element 88 to provide connection between the element and the rod.

Through this connection energization of the solenoid 88 will move the actuating member 1| counterclockwise to move the actuating element 86, through the connection o! the latch 8|, in the same direction, to move the rod 8| upwardly and with it the valves 55. The amount of movement imparted to the rod may be determined through the positioning of the threaded member 85. During this upward movement of the valves, a pin |88, carried by the latch 8|, rides upon a cam |8I to cause the latch to be freed of the actuating element 88 at a given position and thus disconnect'the actuating elements from the actuating member 1| and allow the valves 55 to be closed.

The sealing material in the receptacle 48 is forced in given quantities through the iets 5| by the application of air under pressure to the supply of the material in the receptacle. Air is supplied to the receptacle from the supply line 48. through the pipe line 44, through a line |88 which includes a pressure reducing valve |84, and into the upper end of the receptacle 48. Thus with the constant application of air under pressure to the sealing material, or with its application' at given intervals, the valves 55 need to be opened only momentarily.

The control for the actuation of the valves 55 and the energization of the solenoid 88 extends to the units formed by the articles I and I2 and iocated on the support I8. In other words, a switch |88, mounted in the housing 45 and of the normally open type actuated into closed position by a spring actuated plunger |88, is included in anelectrical circuit (not shown) to cause energize.- tion of the solenoid when closed. An arm HI, positioned in engagement with the plunger |88, is normally held against a stop I by the force of a spring |I2. The arm ||8 is xedly mounted upon a vertical shaft I|4, which extends downwardly through a bearing II5 (Fig. 3) fixedly mounted in an aperture of the base or bottom portion 58 of the housing 45. An enlarged portion I|8 of the shaft II4 carries a resilient arm I|1, bent at its outer end, as at I|8 (Fig. 5), to provide a rounded portion positioned to be engaged by the units as they move successively on the table into the finishing position beneath the unit I8. I'he arm I|1 is positioned so that when actuated by one of the units to cause rotation of the shaft II4 against the force of the spring |I2, to cause the arm I|8 to actuate the plunger |88 to close the switch |88 and thus cause energizetion of the solenoid 88, resulting in the opening of the valves 55, the unit, which caused this train of action, will be disposed with the screws or connecting members |8 in direct alignment with the jets 5|, to receive the quantities of the sealing Vmaterial 28 therefrom.

Considering now the operation of the machine. the articles il and I2 are alternately disposed upon the support I8 at a position indicated generally at |28 (Fig. 1). In viewing Fig. 4, it will be noted that spacers |2I are mounted like distances apart on the support to receive the articles I and i2 in alternate positions therebetween. As previously described, the article I is in the form of a casing, while the article I2 in the present embodiment is a, cover therefor including hollow terminals |22. To further describe the cover i2,

' supporting wires mounted in the hollow terminals |22 and have supply oi' articles II and these apertures in the jets and into the apertures of the covers or articles I2 provided for the screws or connecting members I6. The valves 55 are held open momentarily until the latch 8| is tripped by the cam I allowing the springs 56 to return the valves 55 to their closed positions.

again i'onned therebetween through the aid ot the latch 8|.

It will, therefore, be observed that through the continuous rotation of the support i0 resulting from the energization o1' the motor 23 and its driving connection through to the ring gear 3l, the completed units may be removed from the support after they pass the unit i3 and a new I2 may be alternately disposed upon'the support to travel through the oven I 4 to be What is claimed is:

l. In an assembling machine, a continuously rotatable support having a circular portion adjacent its periphery to support units formed of casings and covers therefor joined by threaded members disposed in apertures of the casings and covers. and to move them in a circular path,

a sealing material, a nozzle dispath of the threaded members, cause quantities of the material to pass throughv the nozzle and into the apertures of the covers over the threaded members.

2. In an assembling machine, a continuously rotatable support having a circular portion adjacent its periphery to support units formed of casings and covers therefor joined by' threaded 6 nozzle and into the apertures of the threaded members.

3. In an assembling machine, a continuously rotatable support having a circular portion adjacent its periphery to support units formed of casings and covers therefor Joined by threaded members disposed in apertures of the casings and covers, and to move them in a circular path, spacing members on the support adjacent the periphery thereof to space4 the units like distances for a sealing material, a nozzle the cover over apertures of the cover over the threaded members, and means actuable `to vary the quantities of the material passed through the nozzle.

4. In an assembling machine, a continuously rotatable support having a circular portion adjacent its periphery to support units formed of casings and 'covers therefor joined by threaded members disposed in apertures of the casings and covers, and to move them in a circular path, spacriphery thereof to ing members on the support adjacent the peapart, a container disposed over the for a sealing material, a nozzle path of the threaded members,

operation of the material to pass valve to cause quantities of the through the nozzle and into the apertures ofthe cover over the threaded mem- 35 b STS.

NELSON H. MAGEOCH.

REFERENCES CITED The following references are of record in the ille of this patent:

space the units like distances

Images