JPS5833801B2 - Equipment for manufacturing wooden frames - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a wooden frame of the type having substantially parallel spaced wooden side members and a plurality of spaced apart wooden intermediate members extending substantially perpendicularly between the side members. a metal sheet having a plurality of integrally stamped teeth and cut into individual connector plates for use in interconnecting said side members and said intermediate member; Using connector material,
Regarding equipment for manufacturing.

The meaning of the term "discontinuous connector plate of the type having integrally extending pre-stamped teeth" is illustrated in FIG. 1 of U.S. Pat. No. 2,877,520; , as shown in FIG. 2 of that patent, has a plurality of rows of bacteria punched from the plate extending outwardly from the plate.

The term "coiled strip" is also illustrated in FIGS. 13 and 14 of U.S. Pat. No. 3,913,816, which describes the coiling of a strip of connector stock onto a reel. Column 14, 31-55
listed on the line.

In use, in accordance with the present application, the connector stock is rewound and cut to the required length to form the connector plate, and the teeth of the connector plate are inserted into the wooden frame member positioned between the press heads. embedded into opposite sides of the joint formed by.

The current common practice is to use a type of connector plate that has integrally stamped teeth to form the joints between the various members that make up the wooden frame.

For example, connector plates of various sizes and widths are integrally embedded in the joints of the wooden roof trusses and the floor joints of the truss type, according to the structural requirements of the frame.

An example of such a connector plate is disclosed in commonly assigned US Pat. No. 2,877,520.

The technology is based on a coiled connector plate material (stock) that has teeth integrally stamped out from the stock, which separates the stock into predetermined discontinuous lengths, and the separation formed by this. Significant advances have been made with the application of devices for acting on stocks such as those embedded on either side of the joint formed between wooden frame members such as the teeth of a stock or connector plate.

Such a device is disclosed in U.S. Pat. No. 391, filed by the same applicant.
No. 3816.

As disclosed in that patent, a machine is provided on which a coil of connector stock is mounted such that the coil forms a magazine to which the stock is fed.

The machine includes a feeding assembly that winds the coil and advances its tip toward a press-cut assembly an adjacent distance, the advancement distance being equal to the length of the desired connector plate.

A pair of the assemblies are provided on opposite sides of the conveyor, each of the assemblies being moved in and out of the joint between the intermediate member and the side member which is manually placed between the press heads along each side of the conveyor. It includes opposed press heads mounted for movement.

In said machine, and on each side of the frame to be assembled, two separated lengths of connector strips are cut from the connector stock of each coil feeding the upper and lower press heads, and are thus formed. The teeth of the connector plate are embedded substantially simultaneously on both sides of the joint formed by the intermediate member and the side members.

When the press head is retracted, the feed assembly automatically cuts the connector stock and then cuts the cut length of this stock to embed it into the joint. Move the parts forward to position them.

The partially completed frame is advanced by hand and the intermediate member is manually disposed between the tail ends of the side members.

A rectangular frame is formed by repeating the recording operation.

This machine has been successfully implemented and is still in use.

However, the manual feeding of the wood forming the end side pieces and intermediate pieces, along with the manual initiation of each press cutting cycle, limits the productivity of such machines.

Additionally, such machines are designed to form generally rectangular frames without intermediate members.

As mentioned above, manual operations limit the machine's production capacity.

The present invention overcomes such difficulties by providing an automatic device for positioning intermediate and side members and for automatically advancing a partially completed frame through a press. remove.

Thus, what distinguishes the present invention from the prior art is its inclusion of automatic operation, in particular a device for automatically positioning the intermediate and side members, and and an automatic device for automatically advancing the completed frame.

The prior art does not provide a device for automatically positioning intermediate and side members and automatically advancing partially completed frames through a press.

On the contrary, in the prior art, both of these processes are performed substantially manually.

In general, the present invention relates to a plurality of frame sections, particularly a pair of side members (
for automatically forming a wooden frame having a shape having a plurality of members or intermediate members (hereinafter simply referred to as slats) extending longitudinally spaced apart therebetween (hereinafter simply referred to as rails); A novel device and method are provided.

Generally, the machine of the present invention includes one press head on opposite sides of the conveyor having each frame mounted with vertically opposed press heads.
It has a pair of roughly C-shaped frames.

The coils of the connector rice stock are supported by the frame and fed to cutting blades adjacent to each vertical head on both sides of the conveyor.

The conveyor includes both slat and rail conveyors, by means of which the slats and rails are continuously advanced to and past the press head location.

Stops are arranged in the path of movement of the rails and slats to position the first slat and the endwise associated rail such that the joint formed thereby is located between the press heads on both sides of the conveyor. have it placed.

After the initial command to begin production is given, the press heads are moved relative to each other to cut the connector stock to form disconnected lengths of connector plates, while simultaneously The movement is embedded in both sides of the joint formed between the toothed slat and rail of the separated connector plate.

When the press head is retracted, the rail and slat stop are retracted to advance the partially completed frame having one slat and two rails until the first slat abuts the second stop. .

The next slat is placed against a rail with a joint between the second slat and the rail, which abuts a stop directly adjacent to the press head so that the second slat is disposed between the opposing press heads. until it is located
Conveyed by slat conveyor.

Another length of coiled connector stock is advanced to position the other length of connector stock in the path of motion of the press head.

This press head is then automatically actuated to cut the connector stock to form discrete (discontinuous) lengths of connector plates, and the continuous movement of the press head continues until the southern part of the plate is connected to the second slat. The board is transported so that it is embedded in the joint formed between the rails.

The press head then retracts and the partially completed frame is automatically advanced, while the machine continuously repeats its action to create a joint between another slat and a particular frame rail. form.

Prior to the nailing process of the last slat in a frame section, the machine automatically separates the leading ends of the pair of rails and inserts the next frame section from the tail end of the rail of the previous partially completed frame section. Form.

Once the last slat of the first frame section is secured to the tail end of the rail, the completed frame section is advanced from the press position and the first slat and the leading end of the rail forming the next frame section are moved forward from the press position. is advanced to the press position.

The above cycle of operation continues as long as coiled connector stock is available and as long as there are rails and slats in the hopper for delivery to the charging slat and rail conveyor.

Accordingly, the main object of the present invention is to provide a novel device for assembling wooden frames and the like.

Another object of the invention is to provide a novel device for automatically assembling a multi-element type wooden frame between a pair of side elements.

It is a further object of the present invention to cut a connector plate of the type with integrally stamped teeth from a coiled strip of connector plate, and to substantially simultaneously attach said connector plate to a compound joint in a wooden frame. The purpose is to provide a novel device and method for burial.

Still another object of the invention is a novel apparatus for the assembly of a wooden frame of the type having a pair of side rails and a plurality of longitudinally spaced slats between said rails. and the joints of the rails and slats are automatically joined, and successive frames of the same type are automatically assembled.

These and other objects and advantages of the present invention will become more apparent from the following description, the appended claims, and the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the accompanying drawings, and in particular in FIGS. 1-4, a wood building machine constructed in accordance with the present invention is designated generally by the numeral 10.

The machine 10 includes a pair of press assemblies 12 disposed on both sides thereof, a slat conveyor 14, and a rail conveyor 16.
and rear slats and rail hoppers 18, 19,
Front rail hopper 20 and unloading roller conveyor 22
and has.

The machine 10 has a laterally extending base structure 24 to which both sides of the machine are attached, one side of the machine designated R being fixed to said base 24, while the other sides are It is supported by a base 24 for movement towards and away from the fixed side R of the machine, indicated by M.

Except for various elements noted below, the assembly machine 10 of the present invention is symmetrical about a machine centerline extending longitudinally in the direction of movement of the frame through the machine; It will be understood that the description of each assembly on one side of the machine is a description of the opposite link assembly on the other side of the machine centerline, except as noted below.

The base 24 has a pair of longitudinally spaced, laterally extending, channel-shaped beams 26 and 28, with supports 30 and 32 disposed adjacent opposite ends thereof.
It is hoisted above the floor level.

A suitable pad is inserted between the support 30.degree. 32 and the floor.

On the stationary side R of the machine 10, a base plate 34 is fixed to a spacer 36, suitably supported by beams 26,28.

This plate 34 provides support for one end of the base frame 38 of the downstream roller conveyor on the stationary side of the machine, said frame 38 supporting a spacer 40 above said beam (FIG. 1), said spacer 40 further supports side channels 42 of roller conveyor 22.

The other side of the base plate 34 on the fixed side R of the machine 10 has slat and rail feed conveyor assemblies 14 and 16, respectively.
a plurality of upright supports 44 on which one end is supported;
(Fig. 5) is installed.

The movable side of the machine 10 includes a pair of guides 48 (first and second) along longitudinally spaced support beams 26 and 28.
) is provided.

The support plate 50 (FIG. 1) is supported so as to slide along the guide 48 supported by the straddle guide 48 and a suitable roller (not shown), and is supported by the plate 50. The structural parts (described below) and the fixed side H of the machine 10
Move toward and away from the object.

Rack 52 (FIG. 2) is supported along support beam 28 and engaged by pinion 53 (FIG. 1).

A gear device (not shown) is provided inside the No-Ujifugu 54,
The rotating action of the nozzle 56 that drives this gear system displaces the movable side M of the machine 10 in the direction toward and away from the stationary side H of the machine 10.

In FIG. 6, a carrier 49 is shown comprising a length of metal sheet bent backwards with its ends attached to the movable side of the machine 10 and secured to the fixed base of the machine.

As shown, pneumatically actuated conduits and electrical wiring, generally designated L, are suitably secured to the carrier 49 and thus enclosed within the rearward fold thereof, thereby connecting the fixed station and the mobile station. supported between.

Plate 50 provides a support for one end of the base frame 38 of the roller conveyor on the moving side of the machine, said frame 3
8 further carries a suitable support 40 for supporting a side rail channel 42 of a downstream roller conveyor 22 on the movable side M of the machine 10.

As shown in FIG. 2, the downstream end of the roller conveyor base frame 38 on the stationary side of the machine is supported by an upright 60 secured to the floor by, for example, bolts 62.

The downstream end of the roller conveyor base frame 38 supported by the movable side M of the machine 10 is supported by legs 61, the lower end of which is mounted with a wheel 63.

Therefore, the downstream roller conveyor 22 on the movable side of the machine is supported so as to move toward and away from the downstream roller conveyor 22 on the stationary side of the machine together with the support plate 50 by operating the handle 56.

Each support plate 34 and 50 on the fixed and movable side of the machine
It also supports the incoming slats and the end of the rail conveyor on both sides of the machine.

It will be appreciated that the slat and rail conveyors are of the same construction, except that one is fixed to the fixed side of the machine, while the other is mounted for movement with the moving side of the machine. .

Each slat conveyor frame assembly includes a single slat conveyor frame assembly between which a slat supply chain 66 (FIGS. 3 and 4) is supported.
It has a pair of slightly elongated laterally spaced channel-shaped beams 64.

External to the slat conveyor assembly 14 is a pair of elongated, laterally spaced, generally channel-shaped beams 68 between which the rail feed chain 70 is supported.

Each chain 66 and 70 is placed around a suitable idler sprocket and is wrapped around the drive sprocket at its forward end.

The slat and rail drive sprockets are independently connected to each other by a hydraulically actuated motor (described below with respect to FIG. 14).

However, the hydraulic motors 72 and 14 for the rail conveyor are driven by hydraulically operated motors 72 and 14 (as shown in FIG. 3).

It will be appreciated that a suitable chain tensioning device (not shown) may be secured between each pair of beams 64 and 68 so that the desired tension is maintained on the chain.

Each slat drive chain supports a plurality of longitudinally spaced protrusions 16 shown in FIG.
6 stands upright from the chain above the upper surface of the support beam 64.

The upper surface of the beam 64 is advanced toward the press assembly 12 by the engagement of the protrusion 16 at the back of the slat where the slat is received from the slat hopper 18 onto the conveyor surface as will be seen below. Configure the conveyor surface.

Similarly, the upright protrusions 17 are spaced longitudinally along the rail drive chain and extend from the chain 70 to the support beam 6.
Stand upright above the upper surface of 8.

The upper surface of the beam 68 is such that the rail is located at its hopper 18°20
The protruding portion 1γ engages with the rear end of the rail received on the conveyor surface, thereby forming a conveyor surface that is fed forward.

A hopper for containing and supplying the wooden rails and slats to form the frame that enters the assembly process is supported on the input side of the machine.

In particular, each side of the machine has a front hopper assembly for holding the ends of the side rails and thus feeding the rails onto the feed face of the beam 68 to be engaged by the protrusion 71 of the slat drive chain. 80 and a rear hopper assembly 82.

In particular, generally each front hopper assembly 80 has upright side and end guides 81 and 84 associated with a perpendicular position.

The guides 81 and 84 have the front ends of the rails connected to the front assembly 80.
They are slanted inwardly and forwardly, respectively, for easy positioning.

Along the outside of the front hopper assembly is an upright guide 86 having a laterally outwardly facing plate 88.

A slot 90 is formed in plate 88, which plate is connected to base plate 9.
2, and the base plate is provided with a suitable gib by which the outer upright plate 86 can be slidably adjusted along the base plate 92 toward and away from the opposite upright portion 81. and a headed screw 94 are provided within the slot 90.

In this way, the width of the front hopper assembly can be adjusted to accommodate side rails of various widths.

Plate 92 is suitably secured to outer beam 68 of the rail conveyor assembly.

The hopper assembly 80 on the stationary side of the machine is thus fixed to the stationary side, but the hopper assembly 80 on the movable side of the machine is movable together with it toward and away from the stationary side of the machine. be.

The lower end of the front upright 84 is connected to at least the beam 6.
spaced above the conveyor surface a sufficient distance to allow advancement in the direction of press fit of the rail between the conveyor surface and the conveyor surface formed by 8.

Vertical plates (not shown) are vertically adjusted so that the opening height between the uprights 84 and the conveyor surface can be adjusted to accommodate different thicknesses of the wooden members that make up the rails of the assembled frame. It is supported in position by a vertical portion 84.

Next, for the rear rail hopper assemblies, each hopper assembly consists of two laterally opposed vertical plates such that vertical plate 85 (FIG. 4) extends above vertical plate 83 and slopes inwardly. It has 83.85.

The rear upright plate 8γ is provided with a slot formed by the plates 83, 85, 87 to accommodate the rearmost end of the wooden rail.

The sloped surfaces of the vertical plates 87 and 85 of the front and rear hopper assemblies 20 and 19, respectively, are arranged in a stacked relationship, one over the other in each set of side rail hoppers. It is possible to displace the wooden rails in the hopper from outside the machine 10.

The upright plate 83 has screws 93 that can be screwed into the base plate 96.
The upright plate 83 supports a base 89 which can be laterally adjusted toward and away from the vertical plate 85 to accommodate rails of different widths.

The lower edge of the upright plate 83 is spaced above the conveyor surface to allow the upright protrusion 77 of the rail conveyor chain to pass below it, and for the lowermost rail resting on the conveyor surface formed by the beam 68. Engage with the rear edge.

Rear rail and slat hopper assemblies 18 and 19
The base plates 96 of each of the outermost beams 6
A depending clamp 98 (FIG. 1) is provided that is engageable about a longitudinally extending guide shaft 100 fixed along the outside of the guide shaft 4.

A clamp 98 is provided to removably secure each rear hopper assembly in a longitudinally adjustable position along the conveyor surface by securing the clamp 98 to the shaft 100 through rotation of the operating handle 102. .

Thus, the front and rear hopper assemblies cooperate to receive rails of the same length, but the rails can vary in length depending on the length of the frame being assembled.

The aforementioned hopper assembly is also a rail hopper assembly 19.
It also has a part of a slat hopper 18 that is freely movable in the longitudinal direction.

The slat hopper includes a pair of longitudinally spaced generally upright guide plates 104, 106 and a vertically spaced guide plate 104, 106 defining a slot for receiving one end of a slat disposed transversely of the machine. It has an extending side plate 108.

Vertical plate 104 is tilted forward toward the press, while upright plate 106 is first tilted forward and then extends vertically to a height less than the height of vertical plate 104 so that the slats are at the rear end of the machine. The slats are fed from the rail to the slat hopper from between the rail and the slat conveyor, and one can be superposed on the other.

The lower edge of the upright plate 104 is spaced above the conveyor surface and supports a vertically adjustable plate for varying the spacing between said plate and the conveyor surface, thereby allowing slats of various thicknesses to be accommodated. It is engaged by the projection 76 and can be displaced from the hopper towards the press along the conveyor surface formed by the beam 64.

The upright plate 106 can also be longitudinally adjusted toward and away from the upright plate 104, so that slats of various widths can be accommodated in the slat hopper according to the slat width required by the frame being assembled. .

As best shown in FIG.
are attached to both sides of the machine on the charging side of the press 12,
It has a tightening head 114 and a hydraulic cylinder 116 for opening and closing the tightening head.

This clamp 112 is also attached to the front hopper assembly 20.
It is mounted on a guide plate 118 which is fixed in an adjustable transverse position on a base plate 92 which supports the.

The clamp head 114 is positioned at a height to engage the outer edge of the rail so that the end of the slat is positioned on the side rail when the joint is positioned between the press heads in opposing positions as described below. The rail is pressed between the slats so as to abut the inner edges.

As best shown in FIGS. 1 and 3, a push rod 120
is superimposed on the surface of each slat conveyor on the input side of the press to maintain the slats in a supporting engagement position slidable along the slat conveyor surface formed by beam 64.

Each pusher bar 120 has an elongated plate 122 with an upwardly curved end 124 so that the slats are moved between the plate and the slat conveyor surface as the slats are advanced along the slat conveyor surface. Facilitate acceptance.

Plate 122 is supported by a plurality of rods 126 that are biased to move with plate 122 by compression springs 128.

Plate 122 , rod 126 and compression spring 128 are mounted at one end against the inner edges of a pair of generally longitudinally spaced C-shaped frames 132 that form the base support for each press assembly 12 . It is supported by a fixed support arm 130.

Press assemblies of the type used in this example are best illustrated in numbers 1-10.

Since similar press assemblies are mounted on the stationary and movable sides of the machine, a description of one of these press assemblies will be sufficient to discuss both press assemblies.

As shown in the figure, each press assembly is arranged between the inlet slat and rail conveyors 14, 16 and the outlet roller conveyor 22, and has a pair of longitudinally supporting upper and lower press plates 134 and 136, respectively. A spaced apart C-shaped frame 132 (FIG. 7) and a frame assembly, generally designated 138 (FIG. 2), for supporting the coils of the connector stock, and generally designated 140. It has a feed effect assembly and a stock cutting effect assembly, indicated generally at 142.

Each pair of C-frames 132 is mounted on a corresponding lower support plate 34 or 50.

The C-frame and press assembly thereby supported on the stationary side of the machine is thus secured to support beams 26 and 28.

The C-shaped frame and press, which are rigidly fixed to the plate 34 and thereby supported on the movable side M of the machine 10, are fixed to the plate 50, said plate 50 being fixed to the opposite fixed side of the machine as already mentioned. It is movable with the inlet and outlet conveyors relative to the support beams 26 and 28 so as to move toward and away from each other.

As shown in FIGS. 2 and 3, the coil frame 138 is
The C-shaped frame member 132 has upper and lower longitudinally extending beams 150 and 152 fixed to the outer portion of the frame member 132.

Each beam 150, 152 supports at opposite ends thereof a pair of longitudinally spaced laterally outwardly projecting supports 154 and 156, respectively, which support upright beams 158, 160 (third (Fig.) is joined at its distal end.

The lower ends of upright beams 160 support gasket plates 162 that rest on beams 26 and 28, respectively.

The plate 162 on the fixed side R of the machine is rigidly fixed to the beams 26 and 28, while the plate 162 on the movable side M of the machine is moved sideways with the C-shaped frame towards and away from the fixed side of the machine. It is placed on the guide surface 48 so as to move in the direction.

Each upright beam 160 is provided with downwardly sloping slots 164 and 166 adjacent its upper and lower ends, respectively.

Similarly, a slotted guide plate 167 is provided along the inner surface of each beam 160 in alignment with slots 164 and 166, respectively.

The shaft 168 is received in the slot 164 and supports the upper and lower coils or reels C of the connector stock S.

Each coil has a knob supporting a pair of circular, axially spaced, radially extending flanges around which the stock S is wrapped.

Each connector stock S is a plurality of elongated nail-like members that are preferably punched out from the elongated metal sheet strip in a row extending in the longitudinal direction so as to protrude from one side of the elongated metal sheet strip. The strip is wound into a coil with teeth projecting outward in the radial direction.

Such a connector stock and the coil supporting such stock are disclosed in the patent application filed July 22, 1975 by the same applicant as the present application.
Dated U.S. Patent No. 3,895,706 and October 7, 1975
No. 3,910,512, the disclosure of which is incorporated herein by reference.

In particular, with reference to FIG. 7, coiled connector rice stock S is fed from upper and lower reels toward press platens 134 and 136 by feeding assembly 140.

The feeding assembly 140 is directly connected to C by a screw (not shown).
It is supported by a guide plate 170 fixed to the shaped plate 132.

The feeding assembly is also supported by sliding rods (not shown) carried along the outside of the C-shaped plate 132.

Such rods extend through bearings on the outside of C-shaped plate 132 to allow feed effect assembly 140 to be unscrewed from C-shaped plate 132 and attached to said bearings while continued support by said rods. It is therefore not necessary to completely disconnect the feeding assembly from the press assembly in order to access its parts, for example, for maintenance purposes.

As best shown in FIG. 10, the guide 110 has upper and lower channel-shaped stock guide tables 172 and 1
Slots are provided along the upper and lower sides of each of the 74 lunges to accommodate the 7 lunges.

Stock guide tables 172 and 174 extend toward the circumferences of the upper and lower stock reels, respectively, and are threaded onto the guide 170 at their front ends.
It straddles 76.

Feed cylinder 176 supports a shaft 178 that is coupled at its forward end to a stock clamp and feed assembly, indicated generally at 180.

Specifically, in FIG. 7, a pair of brackets 182 are attached to opposite sides of the stock guide tables 172 and 114, with slots provided at each end 184 thereof.

Upper and lower charging guide rollers 186, 188 are disposed between the upper and lower ends of the bracket 182, and the rollers 186.1
A pin supporting 88 is received in slot 184.

Springs 190 are connected between the upper and lower pins on each side of cylinder 116 to bias the rollers toward each other and their respective tables to bias stock from the upper and lower reels as it is fed toward the press assembly. Maintain between roller and table.

In FIG. 10, channel-shaped guide plates 192 and 194 are coupled to the upper and lower sides of guide 110, such that guide plates 192 and 194 respectively provide upper and lower passages 194 for receiving stock on its way to the platen of the press. and 19
form 8.

Each channel-shaped stock guide plate 192 and 194 has a hole 200 extending transversely through one side thereof;
The pilot pin 202 is accommodated through this hole.

The outer end of each pilot pin 202 is connected to a cylinder plate 204.
This plate 204 is further mounted on the piston axis of the pilot cylinder 206.

Each pilot cylinder 206 is secured to each stock guide by a cylinder bracket 208.

Therefore, the extension and retraction motion of the piston within the pilot cylinder 206 causes the pilot pin 202 to operate in each guide passageway 196 and 19 for purposes described below.
It will be understood that the contraction and stretching movements are performed within 8 minutes.

In particular, in FIGS. 1 and 9, the feeding clamp assembly 180 is shown in the forward position shown (FIG. 7) and in the guide plate 11.
1 so as to slide between the position approximately adjacent to the front surface of 0.
Sliding block 2 mounted on a pair of sliding rods 212
It has 10.

Rod 212 is fixed to guide 110 at one end thereof.

Sliding block 210 is provided with recesses along its upper and lower sides indicated at 214 and 216, respectively, and upper and lower jaws 218 and 220 are secured to sliding block 210 within respective recesses 214 and 216.

The upper and lower surfaces of jaws 218 and 220 are longitudinally grooved to form transversely spaced teeth 222 and 224, respectively.

That is, this surface forms a longitudinally extending comb-like surface that receives the teeth of the connector stock as it is advanced toward the platen of the press.

In this way, the connector stock is maintained in a predetermined lateral position.

Attached to each side of the sliding block are upper and lower cylinder brackets 226 and 228, respectively.

Each placket has upper and lower tightening cylinders 230, respectively.
The ends of 232 and 232 are counterbored so as to be accommodated by screwing together.

Cylinders 230 and 232 each have grips 234 and 236 mounted on their respective piston axes.

It will be appreciated that the stretching action of the gripper toward the opposing jaw tightens the connector stock between the jaw teeth and the gripper.

As shown in FIG. 7, the loading ends of jaws 218 and 220 are flared to facilitate entry of stock from clamp assembly 180.

The front end of the sliding block 210 is connected to an alignment block 244 (
7), said block having on its front face spaced upper and lower cutting blade mounts, each forming part of a press assembly, which are stepped to provide alignment between blocks 246 and 248. A section has been established.

In FIGS. 1 and 8, flocks 246 and 248 are mounted between C-shaped plates 132 and carry upper and lower plates 250 and 252 which carry fixed upper and lower cutting blades 254 and 256, respectively. .

Plates 250 and 252 are suitably secured to the upper and lower sides of blocks 246 and 248 with upper and lower attachments on their sides and spaced apart from the blocks defining upper and lower stock passages 258 and 260, respectively.

Plates 250 and 252, along with mounting blocks 246 and 248, are provided with passageways 258 and 252 to facilitate stock entry.
It has been expanded near the entrance to 60.

Cutting blades 254 and 256 are each provided with a plurality of transversely spaced teeth, indicated at 261, defining a groove 262 therebetween for receiving the stock teeth.

That is, the blade portion 254 has upwardly facing rows of blades 261 between which and grooves 262 receive the downwardly facing teeth of the stock passing through the passageway 258.

The base of the stock is connected to the upper edge of the tooth row 261 and the block 24.
It passes between the bottom surfaces of 6.

Similarly, fixed lower blade 256 supports downwardly facing tooth rows 261 with passages 26 between and in grooves 262.
The upwardly facing tooth of the stock passing through zero is received.

The base of the stock is connected to the lower edge of the tooth row 261 and the block 24.
It passes between the upper surfaces of 8.

The leading edges of the tooth rows 261 of each of the fixed lower and upper blades 254 and 256 form cutting blades such that the discontinuous upper and lower connector plates are cut in the press in the manner discussed below. The platen allows shearing from the stock.

That is, the edges of the comb-shaped rows 261 of the fixed cutting blades form a fixed working surface for cooperating with the movable cutting blades, so that the connector plate is attached to the press. Platen 13
4 and 136 are severed from the stock as they move relative to each other.

In FIG. 7, upper and lower press cylinder support plates 270
and 272 extend between the C-shaped frame plates 132 and mount upper and lower press cylinders 274 and 276, respectively.

The cylinders 274 and 216 are screwed to the support plate, and the piston shafts are connected to the upper and lower press platens 134 and 136, respectively.
is combined with

The platens 134 and 136 have fixed upper and lower blade portions 254.
and 256 to support each of the cutting blades 278 and 280 and to join the abutted wooden members of the frame assembled by shearing the connector stock S to a selected length. form.

The simultaneous stretching action of the pistons of press cylinders 274 and 216 causes platens 134 and 136 to move toward each other such that the ends of the connector stock are cut by the excitation of the movable and fixed blades, resulting in a severed connector plate. teeth,
The teeth are supported by the platen so as to be embedded in both sides of the frame located between the press heads in the manner described below.

In order to maintain the connector plate in the correct position after it has been cut from the strip, cutting blades 278 and 280, supported by the platens of the upper and lower presses, respectively, are provided with cutting blades opposite the corresponding stationary blades. It has a dovetail groove formed along the section.

Each fixed blade 254 and 256 has a dovetail tongue 284 that projects outwardly along the cutting blade for alignment with a corresponding certain joint groove on the movable cutting blade.

Thus, as the platens of the press move toward each other, the grooves and tongues cooperate to cut an edged, joint-like groove in the trailing edge of the connector plate cut from the stock.

Concurrent with the continuous movement of the platens in the mutual direction, the plates are limited in lateral movement by the engagement of dovetail grooves along corresponding tongues supported by the fixed blades.

In this way, the plate is held by the dovetail projection until the shearing action is complete and just before the teeth bite into the joint.

This ensures that each plate is not displaced from its position in the joint after it has been cut before it is completely embedded with its teeth into the wooden members of the joint.

11 and 12, the forward-most C-shaped frame plate 132 of each press assembly includes a generally 302
A generally inverted T-shaped plate 300 is provided which supports a rail stopper assembly shown at .

The rail stop assembly includes a yoke 304 secured to the lower front surface of a support bracket 300, the yoke 304 pivotally supporting one end of an arm 306, the opposite end of which supports a lateral support bracket 300. Supports the rail stopper 308.

A pivot plate or bellcrank 310 is also pivotally attached to yoke 304 and rail stop 308.

The end of the crank 310 opposite from the pivot point with the rail stopper 308 is connected to the rail stopper cylinder 316.
The piston 314 is pivotally connected to a clevis 312 suitably secured to the end of the piston 314 supported by the piston 314 .

The cylinder 316 is 31
8, etc., and is pivotally connected at the opposite end.

The extension action of piston 314 pivots crank 310 and pivot arm 306 in a generally clockwise direction in FIG. 12 so that stop 308 can extend into engagement with the forward end of the side rail. Let's understand the matter.

The retraction action of piston 314 pivots crank 310 and arm 306 counterclockwise in FIG. 12, so that the rail stop moves forward along an arcuate path and the rail moves along the conveyor in the manner described below. As it moves forward, it is displaced to a position spaced apart above the side rail.

For convenience, the rail stopper will be referred to as stopper "A" below.

In particular, in FIG. 11, support plate 300 also supports slat stop support plate 322.

A plate 322 also extends between and is suitably secured to the C-shaped frame 132.

The cylinder 324 has a pair of gib 32
The frame stands upright from a guide plate 326 supported by a support plate 322 between 8 and 8, and the frame supports the guide plate 326 for adjustment in the longitudinal direction.

It will be appreciated that the piston of cylinder 324 supports stopper 330, and the stretching action of the piston within cylinder 324 extends stopper 330 into the path of motion of the slats as they are advanced along the slat conveyor surface.

For convenience, the slat stopper is referred to as stopper "B" below.
It is called.

Also, as shown in FIG.
22.

For convenience, the switches supported by the slat stopper support are shown below on both sides of the conveyor, L2 and L.
Call it 3.

Also supported by the support plate 300 is a microswitch having a depending operating arm 334, and this microswitch is hereinafter referred to as L6A for convenience.

Other switch positions are shown in FIG. 4, where the responsive microswitch on the other side of the machine is designated L7A.

For example, microswitches L8 and L9 are shown on the stationary side of the machine with actuation rollers 336 and 338.

As shown in FIG. 4, the support plate 340 is supported by roller conveyor frames 42 on the output side of the press and on each of the fixed and movable sides of the machine 10.

The support plate 340 places the clamp cylinder 342 on a guide plate 344 that is attached to the guide plate 344 so as to be adjustable in the transverse direction by a frame (not shown).

This clamp cylinder 342 supports a clamping head 346 for engaging the outer edge of the side of the rail.

On the downstream side of the plate 340 and above the roller conveyor,
A drive roller 348 is provided.

Roller 348 is driven by a hydraulically operated motor, indicated at 341 and 349 in FIG. 14, through a suitable sprocket and chain arrangement.

Rollers 348 are connected to roller conveyors 22 on both sides of the machine.
and engages the upper surface of the rail as the partially completed frame is advanced through the press assembly for forward feeding.

3, 4 and 5, guide shafts 354 and 356 are fixed at their ends to brackets 359 (Fig. 3) fixed adjacent to the ends of the conveyor frame. Extending longitudinally forward from the slat conveyor support beam 64 .

Each guide shaft 354 and 356 has a clamp 358 slidable therealong and releasably secured to a selected adjustable longitudinal position along the corresponding shaft by a securing device including a handle 360. It is provided.

Each clamp 358 supports a cylinder 362 and its piston supports a stop 364.

The extension action of the piston from the cylinder is controlled by stopper 3.
64 into the path of movement of the slats forming part of the partially completed frame.

This stopper 364 will be referred to as stopper "C" for convenience in the following description.

Attached to one of the cylinders 3620 is a microswitch L2B having a switch actuation arm 366.

This arm extends upward and into the path of movement of the slat forming the partially completed frame and actuates the microswitch simultaneously with the engagement of the slat with the stop C.

Referring now to FIG. 13, a schematic representation of the pneumatic actuation lines of the feed, stop and clamp assemblies is shown.

This pneumatically actuated line is connected to A, B, 0 on both sides of the machine centerline.
Identical for each press assembly including the clamping cylinder and pilot cylinder, along with the wood stopper and clamp.

As shown, associated solenoids 542L, 586.6
5 4 with 38,542R and 558 respectively
Solenoid operated spring action valves 384L, 386, 388, 38 with 5 ports and 2 positions
There is an air supply 380 connected in parallel to 4R and 390 via conduit 382.

For ease of description, the left and right press assemblies, including the stopper clamp, pilot pin and associated feed cylinder, are each identified by reference numerals having a suffix and an R.

Valves 384L and 384R are connected to the left and right pilot and stock clamps and supply cylinders 206L on each side of the machine.
206R.

230L, 232L, 232L, 23i, 232R1
It also acts to supply air to 176L and 176R.

Valve 386 includes B and C slat stoppers 324L,
324R1 and 362L.

362R respectively.

Valve 388 supplies air to cylinders 316L and 316R of stopper A, the left and right side rail stops, respectively, and valve 390 supplies air to cylinders 316L and 316R of the left and right side rail stops, respectively;
12L, 342L, and 112R.

342R are each supplied with air.

As shown, valves 384L and 384R are spring-biased to the position shown in which air flows through conduit 3.
92, 394 and 396 to pilot cylinder 206L through valve 384L, and conduit 3
98, 400, and 402 from valve 384R to pilot cylinder 206R to extend the pilot pin to normally maintain the pilot cylinder in the retracted position.

Conduit 404 is connected to pilot cylinder 206 at each end thereof.
L and valve 384L, and conduit 406 connects at both ends to pilot cylinder 206R and valve 384R.

Valve 384L also directs air to stock clamp cylinders 230L and 2 through lines 4408, 410 and 412.
32L to maintain the cylinder in its normally retracted position.

Conduit 414 connects both ends of stock clamp cylinders 230L and 232L to conduit 416 which communicates with conduit 404.
Connect to.

Conduits 414 and 410 are connected on four sides, for the purposes described below.
2-position, renoid-actuated, spring-backed valve 4
Flow the air through 18.

Air is also supplied to the stock supply cylinder 116L to maintain the cylinder in the retracted position via a conduit 420 connected to conduit 408 and passing through a flow control valve 422 and a simultaneous delay valve 424.

The opposite end of cylinder 176L is connected via conduit 426 to a similar time delay acting valve and flow control valve 428, respectively.
and 430 to conduit 416 .

Valve 384R also supplies air to stock clamp cylinders 230R and 232 via lines 409, 411 and 413.
R to maintain the cylinder in its normally retracted position.

Conduit 415 connects both ends of stock clamp cylinders 230R and 232R to conduit 417 that communicates with conduit 406.

Conduits 415 and 411 are arranged on four sides for the purpose described below.
2 position solenoid actuated spring return valve 419
Conduct inside.

Air is also supplied to the stock supply cylinder, connected to line 409 and connected to flow control valve 423 and time delay valve 42.
The cylinder is maintained in the retracted position via a conduit 421 passing through 5.

The opposite end of cylinder 116R is connected to conduit 411 via line 421 via a similar time delay valve 429 and flow control valve 431.

Valve 386 connects B and C slat stopper cylinders 324L, 3 via conduits 432, 434 and 436.
24R, 362L, and 362R to normally maintain the B and C stops in the extended position.

Conduit 438 connects cylinders 324L, 324Tt, 36
Connect both ends of 2L and 362R to valve 386.

Valve 388 is connected to rail stopper A or left and right side rail stopper cylinders 31 via conduits 440 and 442.
Air is sent to 6L and 316R to maintain the cylinder in an extended state.

Conduits 444 and 446 connect the ends of these cylinders to valve 3.
Connect to 88.

Valve 390 directs air through conduit 450 to wood clamp cylinders 112L, 342L, 112R and 342R.
, thereby maintaining the cylinder in its normally retracted position.

Loss conduits 452 connect the ends of these wood clamp cylinders to valve 390.

Stock supply solenoid 542 associated with valve 384L
Upon energization of L, valve 384L is switched to supply air through conduit 404 to extend pilot cylinder 206L, thereby retracting the associated pilot pin 202.

Air is also supplied via conduits 410 and 412 to the upper and lower tightening cylinders 230L and 232L, respectively, to extend the grips 234 and 236, thereby tightening the upper and lower stocks between the grips 218 and jaws 220, respectively. Ru.

Air is also supplied to supply cylinder 116L through conduit 426, flow control valve 430 and time delay valve 428 to extend its piston, thereby causing tensioning assembly 180 and stock clamp and supply cylinders to operate as described above. Conduits 394, 392° 410, 408 and 4
It communicates with the reservoir via 20.

The right hand side of the machine is operated similarly. For example, valve 384R
Simultaneously with the energization of the associated stock supply solenoid 542H, valve 384R is switched to supply air through conduit 406 to extend pilot cylinder 206R, thereby retracting pilot pin 202.

Air is also supplied via conduits 411 and 411 to the upper and lower tightening cylinders 230R and 232R, thereby tightening the upper and lower stocks on the right hand side of the machine between the grippers and jaws 218 and 220, respectively.

Air is also supplied to the supply cylinder 176R via conduit 427, flow control valve 431 and time delay valve 429 to extend its piston, thereby tightening the machine and the right hand tensioning assembly 1 of the stock clamp thereto.
80 is advanced.

The various pilot, clamp and feed cylinder sides communicate with the reservoir via the aforementioned conduits 400, 398, 409, 411 and 421.

In the rest position, valve 386 directs air to conduit 432.4.
34, 436 to the slat stops B, C, which normally maintain the stops in the extended position.

Simultaneously with the energization of the slat stopper solenoid 586, the valve 386 is switched to supply air and air to both sides of the C slat stopper cylinders 324L, 324R, 362L and 362R via conduit 438, thereby retracting the stops 330 and 364. It will be done.

Valve 388 is connected to side rail stopper A or side rail stopper cylinder 316 via conduits 440 and 442.
Shown in position to supply air to L and 316H.

When the solenoid 638 associated with the valve 388 is energized,
Valve 388 switches to supply air through conduits 446 and 444 to both sides of cylinders 316L and 316H to retract the A stop.

Valve 390 typically supplies air to wood clamp cylinders 112L, 112R, 342L and 342R via conduit 450.

Simultaneously with the energization of solenoid 558 associated with valve 390;
Valve 390 is switched to supply air to the cylinder via conduit 452 to extend the clamp head against the side rail and tighten the rail against the slat end.

Upon demagnetization of solenoid 558, valve 390 springs back to the position shown.

Turning now to FIG. 14, the hydraulic actuation circuits for the left and right press cylinders 274 and 276 in each press assembly are shown.

Variable displacement pump 460 supplies fluid from reservoir 461 to one side of press cylinders 274 and 276 through filter 463, conduit 462, and directional control valve 464 to maintain said cylinder in the retracted position.

In particular, conduit 463 is connected in parallel with the press cylinders on both sides of the machine via conduits 466 and 467.
Connect with 5.

Both sides of the press cylinder are connected to a flow divider 470 via conduits 468 and 469.

Pressure activated switch 554 connects flow divider 470
It communicates with a conduit 471 at a position that communicates with the other side.

Conduit 471 is routed through valve 464 and conduits 472 and 41
4 to the output conveyor motors 341 and 349, via conduits 475.476 and 471 to the pair of slat feed motors 351.353, and also to the conduit 478.4.
19 and 480 with a pair of side rail feed motors γ2 and 74.

Both sides of each pair of hydraulically operated motors are coupled with flow dividers 481.

Conduit 482 connects with conduit 463 and each pair of hydraulically actuated motors 347 and 349, 351 and 353, 12 and 74 via respective conduits 482, 484 and 485.

Each conduit 482, 484 and 485 connects to a flow control valve 48.
5, a pressure reducing valve 487, and a solenoid operated isolation valve, each of which is indicated at 488, 489 and 490 in conduits 483, 484 and 485, respectively.

Conduit 491 communicates with conduit 4γ1 and reservoir 461 via appropriate check valves and filters at both ends.

The pressure regulating valve 492 is connected to the supply conduit 463 via a conduit 493.

Directional control valve 494 connects pump 460 via conduit 495.
In addition, it is connected to a pressure regulating valve 496 that communicates with the reservoir.

In operation, working fluid is supplied by motor 460 and conduits 463, 466 and 467 to upper and lower press cylinders 214 and 276, respectively.

Simultaneously with the energization of solenoid 578 associated with valve 464;
Valve 464 is switched to supply fluid to flow divider 470 and to press cylinder 21 via lines 468 and 469.
4 and 276 to stretch the platen of the press supported by the platen.

Dosing device 470 acts to balance the fluid pressure supplied to the press cylinder to ensure uniform press coverage.

The fluid flows through the conduits 4γ1 and 491 to the reservoir 461.
Return to

Upon completion of the pressing action, solenoid 578 is demagnetized, thereby springing valve 464 into the position shown, while at the same time fluid is again directed to press cylinder 27.
4 and 276 to retract the press platens and maintain them in the retracted position.

The working fluid is delivered from the pump 460 via the pipe line 482 to the conveyor motors 34γ, 349, the slat conveyor motors 351, 353, and the rail conveyor motors 72, 7.
It also flows for each set of 4.

In particular, fluid is routed to flow divider 4 via lines 482 and 483.
From 81 a hydraulically operated motor 347.349 flows through continuously rotating conduits 472, 471 and 491 to an output conveyor motor 347.349 which returns the fluid.

Energization of the solenoid associated with valve 488 switches the valve to the left and prevents flow of working fluid to the output conveyor motor, thereby stopping the output conveyor motor.

Working fluid flows from line 482 via line 484 to flow divider 481 for flow to slat conveyor motors 351, 353 and return to the reservoir via lines 476, 477, 475 and 491. .

Simultaneously with the energization of the slat stopper solenoid 604, the valve 489 switches to the left as shown to cut off the flow of working fluid to the slat conveyor motor, and the slat conveyor simultaneously stops.

Demagnetization of solenoid 604 allows valve 489 to be spring-backed to the position shown, and at the same time the conveyor motor resumes continuous operation.

Working fluid is supplied to the flow divider 481 and rail drive motors 72, 74 via conduits 482 and 485, with return of this fluid being provided via conduits 479, 480, 418 and 491.

The rail conveyor stopper solenoid 600 is energized by valve 4.
90 is switched to the left as shown to prevent the flow of working fluid to motor 72.14, thereby stopping the rail conveyor.

Demagnetization of solenoid 600 allows spring-loaded return of valve 490 to the illustrated position while rail conveyor motors 72, 74 resume continuous operation.

In Figures 15A and 15B, which are schematic diagrams of electrical control circuits for the fabrication machine of the present invention, various relays, indicated by circles, open and close associated contacts in the manner described below, and are normally open and closed. Contacts are indicated by pairs of parallel lines and diagonal pairs of parallel lines, unless explicitly designated as switches.

These contacts have suffixes that correspond to the suffixes of their working relays, with the second suffix identifying the particular contact.

117 volts) for 60 cycles is applied across the wires 500, 502 by a suitable power supply, which also provides power to the hydraulic pump motor 460.

Normally closed stopper switch 504 and normally started operating switch 5
06 is a working relay M for closing a corresponding contact (not shown) in the wiring connected to the fluid pressure operated pump motor.
1 and is located in the wiring 502.

Contact M1-1 is provided in wiring 514 connected to starting switch 506 and relay M1, and is connected to normally open control switch 51.
6 and the unloading conveyor motor relay M2 are connected in series in the wiring 514.

Wiring 500 is directly connected to wiring 514 between the relay M2 and its connection to wiring 502.

Contacts, not shown, are provided in wiring connected to an output conveyor motor, also not shown.

Wiring 518 and 520 connect the power source P to the wiring connected to the motor.

The wiring 522 is the wiring 5 between the switch 516 and the contact M1-1.
14, and the wiring 522 is connected to the start switch 50.
Wiring 502 between 6 and relay M1, and start indicator light 52
6 and the wiring 524 between the load switch 528.

The wiring 524 is connected to the wiring 514 and the stop operation indicator light 5
30 are stop and start switches 504 and 506, respectively.
, and connected to relay M1 by wiring 532.

In the stationary state, the stop indicator light 530 is lit.

Thus, when switch 516 is closed, electrical power is provided to lines 514 and 524 by closing start switch 506.

Relay M1 is energized to close a normally open contact M1-1, thereby energizing the fluid pump motor, and also energizes relay M2, which also closes a contact, not shown, to the output conveyor motor. Supply power.

Start indicator light 526 is also illuminated. The wiring 533 connects to a load solenoid 534L connected in parallel with the wiring 524 connected to both ends of a pair of open contacts of the load switch 528.
and the wiring 514 connected to both ends of 534R.

Connected in series by wire 536 to both ends of feed wires 525 and 514 are a pair of open contacts of the illustrated platen limit switch 538, normally open contacts 1-3, and fuse 540. , stock supply solenoids 542L and 542R are connected in parallel between wires 536 and 514.

Wiring 544 connects between a pair of normally open contacts of load switch 528 and wiring 536 between contacts 1-3 and fuse 540.

The illustrated closed pair of contacts 538 of the platen limit switch are connected to the power supply wiring 5 by wiring 546.
It is connected in series with 1 to the relay connected to both ends of 24°514.

A pair of normally closed feed limit switches 548 are connected to the wiring 52.
Wiring 55 connected in parallel to 4 and including 1-1 in the normally open contact
0 is 10 for platen limit switch 538 and relay
A switch 548 is connected to the wiring 546 between them.

The platen limit switch is shown in a platen position between its extended stroke and fully retracted position.

Connected in series between the wires 524 and 514 by the wire 552 are the normally closed contact of the pressure sensitive switch 554, the normally closed contact 2-1, the fuse 556, and the clamp solenoid 558.

Wiring 560 connects 2 to the relay, 2-1 to the contact, and fuse 5.
56 and the supply wiring 514.

Fuse 562 and high pressure solenoid 563 are connected to wiring 5 on one side.
14 and are connected in series by a wiring 564 connected to the wiring 550 on the other side.

The wiring 566 is connected to the wiring 552 between the contact point 2-1 and the fuse 556, and the wiring 556 connects the nailing command switch 561 and the manual nailing instruction light 568 in series.

Wiring 510 is connected to wiring 536 between normally open contacts 1-3 and contacts of limit switch 538 on the platen, and connects normally closed contacts 1-3 and 3-2 to wiring 566 in series.

Connected in series to both ends of the nailing command switch 561 by wiring 572 are the normally open contacts of the automatic nailing mode command switch 514 and the normally open switches L2 and L2B.

It is the contact point of Ll, L4 and L3.

9-2 to the normally open contact of wire 569 bridges the normally open contact of switch L2B, and 4-1 to the normally open contact of wire 511 bridges the remote contacts of switches L1 and L4.

Connected in series to wires 524 and 514 by wire 515 are normally open contacts 2-3, fuse 576,
This is a nail solenoid 518.

Connected in series to wires 524 and 514 by wire 580 are the normally open contacts and relays of a pressure sensitive switch 5540 pair of contacts.

Connected in series between the feeder lines 524 and 514 by wiring 582 are the normally closed switch L5, the normally open contact 3-1, the normally closed contact 8-3, the fuse 585, and the slat. and a solenoid 586 for retracting stoppers B and C.

The wiring 588 is the wiring 582 between the contacts 3-1 and 8-3.
The open contact of the pressure sensitive switch 554 and the relay are connected to the wiring 580 between them.

Wire 590 connects normally open contact 8-3 between wire 524 and wire 582 between contact 8-3 and fuse 585.

Connected in series between wires 524 and 514 by wires 592 and 641 are 3-3 to the normally open contact and 4 to the relay.
It is.

Connected in series between wires 524 and 514 by wire 594 is a normally closed switch L8 and a normally closed contact 6-2.
and 5 to the relay.

Also, connected in series between the wires 524 and 514 by the wire 596 are the normally open contact 5-3 and the fuse 5.
98 and a solenoid 600 of the rail stopper.

The normally open contacts γ-3, the normally open contacts of switches L10 and Lll, the fuse 602, and the solenoid 604 of the slat stopper are connected in series by a wire 606 between wires 524 and 514.

Wiring 608 connects wiring 606 between fuse 602 and switch L11 contacts, and bridge wiring 610 and 6, respectively.
12 to a wiring 524 connecting similar contacts of switches LIO and Lll.

The wire 614 connects to the feeder line 524 of the load switch 528 and connects to each contact forming a normally open contact pair of the feed switch 620 by a parallel wire 616 .

The wiring 622 connects one of the normally open contacts of the switch 620 to the wiring 60 between the switch Lll and the fuse 602.
6, and wire 624 connects the other normally open contact of switch 620 to wire 626.

Wiring 626 includes 5-3 for normally closed contacts and 5-3 for normally open contacts.
Wire 596 between -3 and fuse 598, and wire 606 between 1-3 and switch LIO are connected to the normally open contact.

Connected in series between wires 524 and 514 by wire 630 are normally closed contacts 1-4 and normally closed switch L9.
And 6 to the relay.

Wiring 632 connects normally open switches L7A, L6A, L7B, and L6B in parallel between wiring 524 and 592, and wiring 592 connects 3-3 to the contact and 4 to the relay.
Also, a fuse 636 and a solenoid 638 for retracting stopper A are connected in series to the wiring 514.

Connected in series between wires 524 and 514 by wire 640 are 2-2A to normally open contacts, 6-3 to relays, and 1 to relays.

Wiring 642 connects 2-2B and 9-1 to normally closed contacts, γ-2 to normally open contacts, and 8 to relays in series between wires 524 and 514.

Wire 644 connects normally open contact 8-2 and relay 9 in series between feed lines 524 and 514.

The normally open contact 6-1 is the wire 646 between the wires 630 and 632
The wire 646 is connected to the wire 630 between the switch L9 and the relay 6, and is also connected between the wire 632 and the connection point between the wire 592 and the fuse 636 at the circuit point E.

Normally open contact 7-1 is connected by wire 648 to wire 636 at circuit point E and to wire 640 between contact 6-3 and relay KI.

Normally open contact 8-1 is connected by wire 650 to the wire between contact 6-3 and relay KI, and to wire 642 between contact 7-2 and relay 8.

9-1 is a normally open contact, and 2- is a normally closed contact by wiring 652.
The contact is connected to the wiring 642 between 2 and 9-1, and the contact is connected to the wiring 644 between 8-2 and the relay 9.

Operation Description For operation of the machine, the normally open control switch 516, which is used primarily for maintenance purposes, is closed.

Start switch 506 is also closed to form a circuit between wires 500 and 502 to energize relay M1.

Energization of relay M1 closes normally open contact M1-1, energizing fluid pump motor 460, and also energizing relay M2.

Energization of relay M2 closes its associated normally open contact, not shown, and provides power to output conveyor motors 347 and 349.

Under this initial condition, with load switch 528 positioned as shown, power is transferred between supply lines 524 and 514.
It is also supplied between wirings 614 and 514.

The platen limit switch 538 is closed between the open contacts in the illustrated wire 536 when the platen is retracted so that the manual nailing indicator light 568 is connected to the wire 51.
It lights up after going through 0 and 566.

Relay 6 is also energized between wires 524 and 514 via closed contacts 7-3 and closed switch L9.

The excitation effect of 6 on the relay is to close 6-1 to the normally open contact,
Stopper A retraction solenoid 638 is energized via circuit point E via wiring 630, 646 and 632.

When the machine is stopped under these conditions, the stock feed cylinders 176L and 176R are retracted, the pilot cylinders 206L and 206R are retracted to remain in the pilot pin passage 196° 198, and the clamp cylinders 23OL and 230R are retracted. I can be drawn into it.

At rest, all relays are demagnetized except K6.

Normally open contacts 1-3 are nail feeding solenoids 542L and 54
2R excitation action is blocked and the nail action switch 567 is kept open.
is the normally open contact 2-1, and the clamping solenoid 5
58 and high pressure solenoid 563.

The normally open contact 2-3 prevents the excitation action of the nail action renoid 578, while the normally open contact 3-1 and the fluid pressure switch 55
4 normally open contacts prevent the energizing action of stoppers B and C retraction solenoids 5586.

The slat conveyor stopper solenoid 604 remains demagnetized due to the open contacts of switches L, 10 and Lll, and due to the open contacts of the manual feed switch 620.

To load the machine, a reel with a coiled connector stock S is placed on a shaft 168, the ends of which are placed in the upper and lower slots 164 and 166, respectively, of the support brackets 160 on each side of the machine. .

The reel is thus mounted for rotation, but once the stock is fed into the machine it provides a pendulum effect which prevents the reel from making its own rotation.

Load switch 528 is closed to close the contacts of wires 532 and 544, respectively, and energizes respective needle supply solenoids 534L and 534R and load solenoids 542L and 542R.

The excitation action of the load solenoids is carried out by valves 348L and 34, respectively.
8R, supply solenoids 534L and 534R switch valves 418 and 419, respectively, to the left in FIG.
R is applied to extend the piston and pull the pilot bottle out of the passages 196, 198, and the cylinder 23OL
, 230R, 232L, and 232R to extend the clamp head and tighten the stock, and to feed cylinders 176L and 116R to advance the stock.

Releasing load switch 528 causes the valve to return to the position shown, leaving the stock in the forward position.

As previously described, the operator activates the start switch 506.
When closed, fluid pump 460 pumps fluid to conveyor motors 347, 349 and slat conveyor motor 4.
76 and rail conveyor motors 72 and 74, which operate the output, slat, and rail conveyors.

Closure of start switch 506 also energizes relay 6, which closes contacts 6-1 and energizes stopper A retraction solenoid 638, which switches valve 388 (FIG. 13) and directs air to line 446. is supplied to the large stopper cylinders 316L and 316H, thereby zeroing the stopper rA.

Closure of start switch 506 also opens normally open contacts 6-2 and maintains relay 5 in a demagnetized state.

The rear end of the rail R is engaged by the lug 77 and is fed forward along the rail conveyor by the chain γ0, and the switch L8 (Figs. 16A to 16D)
5 is opened to hold the relay 5 in a demagnetized state.

As one rail advances further, it opens normally closed switch L9, which demagnetizes relay 6, which in turn returns contact 6-1 to its normally open position and connects circuit point E and stopper A. The rail retraction solenoid 638 is demagnetized.

The demagnetizing action of the solenoid 638 springs the valve 388 back to the position shown, which allows air to be supplied once again to the stopper large cylinder via the piping 440 (FIG. 13), thereby forcing the stopper A into the path of movement of each rail. (
Stretch as shown in FIG. 16A).

When the rail engages stopper A, switches L1 and L
4 are each closed within wiring 572 (FIG. 15A) and the rail conveyor is stopped.

The slat stopper B was normally extended by air supplied via lines 432, 434 and 436 to the slat stopper cylinders 324L and 324R (FIG. 13), and the lug 16 of the slat conveyor was extended relative to the first slat. The slat conveyor 14 is simultaneously stopped by engaging with the stopper B to advance it, and each switch L2 and L3 adjacent to each stopper B is
It is engaged and closed by the slats (Fig. 16A).

Closure of switches L2 and L3 indicates that the slat is properly engaged against stop B in a vertical position with respect to the rail and in a nailing position between platens 134 and 136 of the press.

The operator then manually closes nailing switch 567 to begin nailing the first slat between the front ends of the first pair of rails, and also closes automatic nailing switch 514 if automatic nailing mode is desired. .

The platen limit switch 538 is connected to the wiring 536.
and an automatic nailing switch 57
4 is closed between the open contacts in wire 572, the closure of nailer switch 567 causes wires 536, 57 to close.
0, 566 and 552 to energize the clamp solenoid 558 and the relay 2 and high pressure solenoid 563.

Excitation of relay 2 is normally open contact 2-1 closed and clamp solenoid 558 and relay 2 and high pressure solenoid 56
3 is excited.

The energizing action of relay 2 closes the normally open contacts 2-1 and maintains the holding circuit through the clamp solenoid 558 and the wiring for relay 2 and high pressure solenoid 563.

The energizing action of clamp solenoid 558 causes valve 390 to switch, thereby directing air to line 452 (FIG. 13).
Through the clamp cylinder 112L.

A clamp head supplied to and supported by 342L, 112R, and 342R extends and engages along the side edges of the rail, forcing the rail against the ends of the slats.

The excitation action of 2 is also applied to the relay, and the normally open contact 2-3 is closed to the nailing solenoid 578 in the wiring 575 (Fig. 15B).
Excite.

The excitation action of the nailing solenoid 518 is achieved by switching the valve 464 to supply working fluid to the upper and lower press cylinders 274 and 276, respectively, via the pipes 463 and 4γ1, the flow divider 410, and the pipe 468 (FIG. 14). platens 134 and 136 are displaced toward each other.

The excitation action of the high pressure solenoid 563 switches the valve and activates the flow restriction device to generate a high pressure, for example about 210 kg/c.
Change the pressure in the working fluid line to r4 (3000 psi).

The energizing action of 2 on the relay also opens 2-2 to the normally closed contact in wiring 642 and closes 2-2 to the normally open contact in piping 640.

The opening and closing action of these contacts by relay 2, however, has no effect on the circuit until the last slat in each frame is nailed as described below.

When the press platen moves from its retracted position, the platen limit switch 538 closes between the contacts in wiring 546, thereby energizing the relay to 1 and causing the contacts to 1-
The relay is energized to 1 so as to close 1, and this action forms a holding circuit for 1 in the relay via the feed action limit switch 538.

The energizing action of 1 on the relay also opens the normally closed contacts 1-3 in wire 570 and closes the normally open contacts in wire 536.

Thus, the energization of one of the relays upon the beginning of a press cycle enables the needle supply circuit simultaneously with the press platen retraction operation in the manner described below.

At the end of the press stroke, the discontinuous connector plate is separated from the connector stock and supported by the press head against the rail and slat for embedding it against the joint formed by the rail and slat. After that, the working fluid pressure switch 554 is actuated to open the contacts of the wiring 552 (FIG. 15B), which connects the clamping solenoid 558, the relay 2, and the high pressure solenoid 56.
30 pairs of holding circuits are deenergized.

Due to the demagnetizing effect of the clamp solenoid 558, the wiring 450
Air supplied to the wood clamp cylinder through the spring causes a valve 390 for retracting the wood clamp to be charred.

De-energizing relay 2 causes contacts 2-3 to never return to their normally open position, demagnetizing nail solenoid 578 in line 575, while simultaneously springing valve 464 (FIG. 14) back into the working fluid. is supplied to the press cylinders 274 and 276 via lines 464, 466, and 467 to retract the press platens 134 and 136.

Actuation of the working fluid pressure switch 554 also momentarily closes the normally open contact in wiring 580, thereby energizing the relay 3;
This relay further closes 3-1 to the normally open contact in wire 582 to form a holding circuit for 3 in the relay via wire 582, the closed switch 15, and wire 580.

The excitation action of 3 on the relay is 3-2 (15th A) on the normally closed contact.
) and disables the clamp and nailing command circuits via wires 566 and 512 while the connector stock is routed to its nailing position.

The return movement of press heads 134 and 136 to their fully retracted position closes platen limit switch 538 between the open contacts in wiring 536, which forces the relay to remain closed by 1. 1-3 at the contact point
The nail feeding lenses 542L and 542R are energized through the feed limit switch 548 and the relay Kl is maintained energized through the feed limit switch 548 and its hold circuit including 1-1 in closed contacts.

As already mentioned, the needle supply solenoids 542L and 542
The excitation action of R switches valves 384L and 384R to supply air through pipes 404 and 406 (FIG. 13), respectively, to extend pilot cylinders 206L and 206R, thereby moving pilot pin 202 to its respective stock feed position. Retracted from the passageway for pipes 416, 414゜417
．． Air is stocked through 415 to the clamp cylinder 2.
30L and 202L, 230R and 232R to tighten the stock between the clamping jaws of the feeding assembly, and supply air via lines 416 and 426, 411 and 421 to feeding cylinders 176L and 176H, thereby The connector stock is advanced a predetermined distance to position the predetermined distance between press heads 134 and 136.

At the end of the feed stroke of the stock, the feed action limit switch 548 momentarily opens, demagnetizing the relay 1 and
Contacts 1-3 in wiring 510 are returned to their normally closed positions and contacts 1-3 in wiring 536 are returned to their normally open positions to demagnetize needle feed lenses 542L and 542R.

Valves 384L and 384R are spring-backed and air is supplied via lines 408, 410, 409 and 411 (Figure 13) to pull stock clamp cylinders 230L, 232L, 230R and 232R and release the dock. , stock feeding cylinders 116L and 176R via pipes 408 and 420, 409 and 421, respectively.
retract, leaving the stock in the forward position.

Also, the return operation of valves 384L and 384R is performed by pipes 392 and 3.
94. Air is supplied through 398 and 400 to retract the pilot cylinders 206L and 206R, respectively, so that the pilot pin 202 engages between the southern part of the connector stock on the stock path and the longitudinal length of the stock on the stock path. Adjust the direction slightly.

This adjustment action ensures that the stock is positioned such that the locking and stopping cutting cuts cut the stock between its rows instead of through the teeth of the stock.

As previously mentioned, relay 3 is energized by the instantaneous actuation of pressure switch 554 at the end of the press stroke and the adjacent rate of plate teeth and embedding into the slat, and closes switch L5 in wiring 582. The closed contact is maintained in the energized state by its holding circuit via 3-1.

Also, the energizing action of 3 on the relay is caused by the stopper B in the wiring 582.
The retraction solenoid 586 of C and C is also energized, and at the same time the valve 386 is switched and the piping 438 (Fig. 13)
The B and C slat stopper cylinders 324L and 324R1362L and 362R can be retracted by supplying air through the B and C slat stopper cylinders 324L and 324R, respectively.

Stops B and C are thus retracted during the nail feeding operation and the partial advance of the partially completed frame.

Also, the energizing effect of 3 on the relay is applied to the normally open contact in wiring 641.
-3 is closed to energize circuit point E and stopper A bowing solenoid 638, and at the same time, valve 388 (Fig. 13) is switched to supply air to stopper large cylinders -316L and 316R via piping 456. Supply so that it can be retracted.

Stops A and B are therefore retracted and the partially completed frame is advanced past the nail head by a continuously running rail and slat conveyor.

The closing action of 3-3 on the normally open contacts also energizes the relay 4 which further closes 4-1 on the normally open contacts bridging switches L1 and L4 in wiring 571 for reasons discussed below.

As the partially completed frame moves forward, the side rail closes normally open switches L6-A and L7-A to connect circuit point E.
and maintains the stopper A retraction solenoid 638 in an energized state, which holds the stopper A in the retracted state.

As the partially completed frame is advanced by rail conveyor 16, the first slat momentarily opens switch L5, thereby deenergizing the holding circuit of relay 3.

The deenergizing action of 3 on the relay returns contact 3-1 to its normally open position and contacts 3-2 to its normally closed position, wiring 566.
or enable the clamp and nail command circuit via 512 and return contact 3-3 to its normally open position.

However, circuit point E and relay 4 remain energized via closed switches L6-A and L6-B.

Therefore, the stopper A retraction solenoid 638 maintains the energized state to maintain the stopper A in the retracted position, and the contact 4-1 maintains the closed state so as to bridge the switches L1 and L4.

The opening action of switch L5 also demagnetizes the stopper B and C retraction solenoid 586, so that after the first slat passes through the stoppers B and C, the spring-loaded action of the valve 386 and the resultant retraction solenoid 586 of the stoppers B and C are activated. Allows stretching action.

Continued forward movement of the partially completed frame is caused by switches L6-B and L? on the rail. - Close B.

Therefore, the circuit point E is the switch L6-A, L?
-A, L6-B, and Lγ-B are closed, and as a result, the stopper A retraction solenoid 638 is maintained in the energized state, and the rail is connected to the switches L6-B and L7-.
It will be appreciated that as long as stop A is maintained in the retracted position until passing the last one of B, it will be biased.

Continuous forward movement of the completed frame is achieved by moving the rails through the power roller 3.
48, the rollers 348 and the rail conveyor 1
6 advances the partially completed frame to engage the first slat against the extended stop C, which then closes switch L2-B (FIG. 16B).

The engagement of the partially completed frame against the extended stop C prevents further advancement of the partially completed frame and the rail conveyor motor 72. γ4 and the unloading roller conveyor motors 347 and 349 are stopped.

When the next slat engages stopper B, slat conveyor motor 4γ6 is stopped and switches L2 and L3 are closed (Fig. 16B), the two switches indicating that the second slat is in the nailing position and relative to the rail. You need to ensure that it is in the correct orthogonal position.

From Figures 15A and 15B, each switch L2, L3 is used to automatically nail the second slat and all subsequent slats to the rail (except the first slat in each slat, as described above). and L2-B is
It will be appreciated that if contact 4-1 is maintained closed between switches L1 and L4, it must remain closed.

When these switches and contacts are closed and the automatic nail switch 574 is also closed, the clamp and nail command circuit is routed through wires 552, 572 and 510 and between the contacts in wire 536. energized via a platen limit switch 538 that is closed at .

This is especially true for wires 536.570.572 and 55.
By energizing the clamping solenoid 558 through 2 and by energizing the relay 2 which closes contacts 2-3 in wiring 575, the tightening and nailing actions are initiated and the nailing solenoid is energized. At the same time, the press head is moved to cut a discontinuous connector plate from the connector stock and embed its teeth in the end of the second slat and the opposing side rail.

As before, at the end of the press stroke, the working fluid pressure switch 554 opens between the contacts in wiring 552 to demagnetize the clamp solenoid 558 and also to the relay that demagnetizes the nail solenoid 2, and 3 is applied to the relay in wiring 580 to disable the clamp and nail command circuits.

Also, as before, movement of the platen of the press from the retracted position enables actuation of the needle supply circuit by energizing the relay, which relay moves the platen back to the fully retracted position. Nail supply solenoids 542L and 54 at the same time
Enables the excitation action of 2R and the closing action of the platen limit switch 538.

At the completion of the feed cycle, relay 1 is deenergized to disable nail feed solenoids 542L and 542R, and contacts maintained open by relay 3 are energized at the end of the platen press stroke. The clamp and nail command circuits are energized and deenergized except for 3-2.

Father, the energized relay 3 also energizes the retraction solenoids 56.8 of stoppers B and C, and at the same time stopper B
and C retract and advance the partially completed frame with the first two slats fixed to the side rails.

When the second slat opens momentary switch L5 during the forward motion of the partially completed frame, relay 3 is deenergized and contacts 3-2 are closed, thereby closing the nail command circuit. Make it fully operational.

The foregoing sequence continues for each subsequent slat of the first frame except for the last slat.

In summary, as the frame moves forward, each successive slat moves between stops B and C1 switches L2, L3 and L.
2-B engages and closes, initiating the clamping and nailing actions, and the completion of the pressing stroke is partially completed by initiating the retraction action of the B and C slat stops and the retraction action of the clamp. The frame is advanced and the return movement of the press head begins the feeding cycle of the connector stock, and the complete return movement of said press head is activated by switching switches L2-B, L2 when the next slat is ready to be nailed.
And in response to the closing operation of L3, the subsequent energization operation of the nailing command circuit is enabled.

As the partially completed frame is advanced, the rear rail of the partially completed frame is slightly spaced from the trailing end of the rail of the partially completed frame.

However, it is desirable to increase the spacing between the rails of a partially completed frame and the rails of the next frame to be assembled.

When the tail end of the partially completed frame rail passes switch L8 prior to nailing the last slat (Figure 160), switch L8 (Figure 15B) returns to its normally closed position. 5 is energized to the relay via wiring 594.

The energizing action of 5 on the relay is 5 on the normally open contact in wiring 596.
-3 to M solenoid 60 for rail conveyor stop collar
0, the solenoid switches valve 490 to stop the rail conveyor.

However, the partially completed frame has a drive roller 348.
Continuing to move forward below, this frame rail leaves switch L9 (Figure 160).

Switch L9 in line 630 (FIG. 15B) is thus returned to its illustrated normally closed position, energizing relay 6 via line 630.

The energizing action of 6 on the relay closes the normally open contacts 6-1, energized circuit point E and one or more switches L6-A, L
6-B.

L7-A and L? -Hold relay 6 in the energized state via B.

Also, the energizing action of 6 on the relay is to open the normally closed contact 6-2 to energize the relay 5, return the contact 5-3 to the normally open position of 7 on the contact in wiring 596, and close the contact in wiring 626. 5-3 to its normally closed position, which demagnetizes the rail stopper solenoid 600 to allow the spring action of the valve 490 and restart of the rail conveyor 16.

Also, the energizing action of 6 on the relay closes the normally open contact 6-3 in wiring 640 (Figure 15B), energizing the relay 1 when the nailing action of the last slat of the frame is initiated. enable.

When the last slat engages stopper C, switch L2-B is closed, and when the last slat engages stopper B, closing switches L2 and L3, wiring 53
6. Prior to energizing the clamping solenoid 558 via 570, 572 and 552, the nailing operation is initiated.

High pressure solenoid 563 and relay K have 2-3 contacts.
is closed, and the nailing solenoid 578 is energized.

The nailing and needle feeding cycles proceed as described above.

However, the energizing action of 2 on the relay at the beginning of the nailing cycle also closes 2-2 on the normally open contact in wire 640 and opens 2-2 on the normally closed contact in wire 642 (No. 15B). figure).

As previously stated, relay 5 is initially energized via wire 630 and switch L9 closed, and contacts 6-3 in wire 640 are thereby held closed.

In this way, relay 7 is energized via wiring 640.

The energizing action of 1 on the relay closes the normally open contact 1-1, providing a holding circuit for 1 through the energized circuit point E, and γ-1 to the normally open contact in wiring 642. Close 2.

The normally open contacts 1-3 in wire 606 are also closed at the same time as relay 1 is energized, and wires 625 and 606 and 5
The rail stopper solenoid 600 is energized through the normally closed contact 5-3 in 96, and the valve 490 (FIG. 14) is switched again to stop the rail conveyor motors 12 and 14.

Contacts 1-3 in wiring 606 also energize the slat conveyor stopper solenoid 604 via wiring 606 and closed switches LIO and Lll to stop the slat conveyor.

Also, the biasing action of 7 on the relay is also applied to the contacts in wiring 630.
3 is open (but relay 9 is held energized via circuit point E).

At the completion of the press stroke, relay 2 is de-energized, thus causing normally open contact 2-2 in wire 642 to return to its closed position, thereby causing wire 642 and the closed contact 9-2 to return to their closed position. It has already been mentioned that the relay is energized via 1-2 to the closed contacts 1 and 8.

The energizing action of 8 on the relay is applied to the normally open contact in wiring 650.
1 to keep relay 8 energized through circuit point E, 8-2 to the normally open contact in wiring 644 to energize the relay 9, and normally open contact in wiring 590. 8-3 to energize the stopper B and C retraction solenoid 5586, which switches the valve 386 (Fig. 13) to direct air to the stopper B and C cylinders 324L and 324L, respectively.
24R supplies 1362L and 362R, retracts stops B and C, and opens normally closed contact 8-3 in wiring 582.

Next, the drive row 2348 is moved so that the tail end of the frame exceeds the press position and also switches LIO and Lll (FIG. 16D).
The completed frame is advanced so as to cross the frame.

At the same time, switches LIO and Lll connect wiring 6
08, the slat stopper solenoid 604 remains energized via wiring 608, and the slat conveyor remains stopped.

The energizing action of 9 on the relay at the end of the press stroke for nailing the last slat opens the normally closed contact 9-1 in wire 642 and closes the normally open contact 9-1 in wire 652. 9 is maintained in the energized state via wires 642 and 644.

The opening operation of 9-1 at the contact point in the wiring 642
Stop the signal of 8 to the relay through the 7-1 to the closed contact
A holding circuit via 8-1 and the energized circuit point E keeps the relay 8 energized.

As previously mentioned, upon completion of the first half of the nailing cycle, the relay is energized and held in that condition via switch L5 and closed contacts 3-1.

Also, relay 3 is deenergized, thus wiring 640 and 642
2-2 to their normally open and normally closed positions, respectively.

As a result, relays 7 and 8 are respectively deactivated via wires 640 and 642, and relays 7 and 8 maintain their state through a holding circuit via energized circuit point E.

Relay 9 remains energized via 9-1 to the closed contact in wire 652 and 2-2 to the closed contact in the return position in wire 642.

In this way, when the completed frame moves forward, 3 t is applied to the relay.
K4 t K6 , 7 t K8 and 9 remain energized.

When the completed frame is further advanced by the power roller, switches L6-A and L? - Clear A, but circuit point E
and relays 6, 7, 8 and 9 remain energized via closed switches L6B and L7B.

As the frame continues to move forward, switch L5 opens momentarily as the last slat deenergizes relay 3 as it passes.

The deenergization of 3 on the relay causes the contacts 3-3 to return to their normally open position and again enable the nail command circuit, but the deenergization of 4 on the relay
remains energized via circuit point E.

The completed frame advances to clear switches L6B and L7B, placing them in their open positions, and circuit point E is deenergized along with stopper A retraction solenoid 638.

The demagnetizing action of stop A's solenoid valve 38 allows the spring action of valve 388 to return, thereby providing air to stop cylinders 316L and 316R to prevent stop A from following frame rail movement. Stretch it along the path.

Also, the deenergizing effect of circuit point E is applied to the relay 4. 7 and 8? take a portrait

The deenergizing action of relay 1 causes contacts 1-3 to return to their normally closed state in wiring 630, switch L9 is closed, and relay 6 remains energized, said action further returning contact 1-3 to its normally closed state in wiring 59.
Contact point 6-2 in 4 is kept open to prevent relay 5 from energizing operation, which would otherwise cause energization of solenoid 600 via wiring 596 to stop the rail conveyor.

Also, the deenergizing effect of 1 on the relay is 7-3 on the contact point of the wiring 606.
Return to the open condition, which demagnetizes the slat conveyor stopper solenoid 604 and the rail stopper conveyor solenoid 600 and restarts the slat and rail conveyors 14 and 16, respectively.

The deenergizing effect of 8 on the relay is 8-3 (
15B) and demagnetizes the solenoids 586 of the B and C stoppers to open the valve 386 (FIG. 13).
This enables the return movement of the stoppers B and C by the spring action and the extension movement of the stoppers B and C.

Relay 9 is also maintained energized by its holding circuit through wire 642 closed contact 2-2 and wire 652 contact 9-1.

Also, the continuous energizing action of 9 on the relay causes the contact 9-2 (first
5A) are held closed, and these contacts bridge the contacts of switch L2B.

The deenergization of relay 4 opens contacts 4-1 in clamp and nail command circuit wiring 571 (FIG. 15A), thus causing switch L to open before the next nailing action is performed.
FL2. It becomes necessary to close L3 and L4,
Contact 9-2 is energized relay 9 causes switch L
It is held closed between 2B.

Thus, after the completion of the first frame, relays 6 and 9 remain energized, and both the slat and rail conveyor are connected to another slat and the next frame for assembly of the next frame. Advance the pair of rails.

When the next pair of rails moves forward, wiring 5 to disable relay 5 until one of the rails passes the L8 switch position! :The one rail opens the switch L8 (FIG. 15B) of I4.

Further forward movement of one rail is caused by switch L of wiring 630.
9 is opened to deenergize 6 to the relay, and this relay has 6 at the contact point.
-1 and 6-3 are returned to the open state, air is supplied to cylinders 316L and 316R, and stopper A is extended.

The open state of switch L9 also disables relay 6 until one rail of the next frame passes through switch L99.

When the rail moves further forward, switch Lll of wiring 608 is opened and solenoid 604 of the slat stopper is demagnetized.

This allows the slat conveyor to be restarted only after the rail reaches the forward position and switches L10 and Lll of wiring 606 are closed.

In this way, the front end of the rail of the second frame comes into contact with the extending stopper A, stopping the rail conveyor and closing the switches L1 and L4.

The first slat of the second frame also moves forward and abuts the extended stopper B, stopping the slat conveyor and closing switches L2 and L3.

By closing the switches L1 to L4, a command circuit for tightening and nailing operations is formed (automatic nailing switch 57
4 is closed).

Tightening and nailing of the rail and the first slat of the second frame section proceeds as described above.

As mentioned above, when the nailing operation is completed, the relay is set to 3.
is energized at the end of the press stroke, retracting stops B and C to advance the partially assembled frame.

When the side rails move forward enough, switches L6A and L
Closing any one of 7A, L6B and L''7B energizes circuit point E, which also energizes relay 4 via wire 592.

4-1 (
15A) to bridge switches L4 and Ll.

When the machine is in the automatic operating mode, the sequential nailing action of each successive slat of the second frame is controlled by switches L2 and L.
switch L2 by the slat advancing when the slat to be nailed is in position.
Closing B enables the nailing operation described above.

The invention may be embodied in other embodiments without departing from its spirit or characteristics.

The embodiments herein are therefore to be considered in all respects as illustrative and not restrictive, with the scope of the invention being indicated by the appended claims rather than by the foregoing description. The intent of the range and all modifications that come within it are therefore intended to be included in the invention.

[Brief explanation of the drawing]

Fig. 1 is a side view of a wooden frame manufacturing machine constructed according to the present invention, Fig. 2 is an enlarged end view of the machine as seen from right to left in Fig. 1, Fig. 3 is a plan view of the machine, and Fig. 4 The figure is a partially enlarged plan view with a portion cut away for ease of illustration, Figure 5 is a partially enlarged side view of the machine with a portion cut away for ease of illustration, and Figure 6 is a line drawn from Figure 1. 6-6; FIG. 1 is a partially enlarged sectional view of the feed and press assembly forming part of the assembly machine shown in FIG. 1; FIGS. 8, 9, and 10 are taken along the lines of FIG. 8-8, 9-9, and 1010; FIG. 11 is an enlarged partial end view of the slat and side rail wood stopper assembly; FIG. 12 is taken along line 12-- of FIG. 12, 1st
Figure 3 is a schematic diagram of the pneumatic actuating circuit used in the assembly machine.
Figure 4 is a schematic diagram of the fluid pressure operating circuit used in the assembly machine, the first
Figures 5A and 15B are schematic diagrams of electrical circuits used in the assembly machine showing the right-hand continuation of Figure 15A along the dotted line and the left-hand side of Figure 15B, respectively, and Figures 16A-16D.
The figures are plan views showing the positions of the various switches, stopper slats and rails (the press head is shown in dotted lines) during the assembly process of the first frame and subsequent parts of the frame. 10... Wooden frame making machine, 12... Press assembly, 1
4°"・Slat conveyor, 16...Rail conveyor, 18...Rear slat hopper, 19...Rear rail hopper 20...Front rail hopper, 2
2... Unloading side roller conveyor 24... Foundation structure (base), 26, 28... Beam, 30, 32...
... Support part, 34, 50... Support plate, 38... Roller conveyor base frame 40... Support spacer, 44... Upright support part, 48... Guide, 49...
...Metal sheet, 52...Rack, 53...Pinion, 60...Upright part, 66, 70...Feed drive chain, 72°14...Fluid pressure operated motor, 80...
- Front hopper assembly, 82... Rear hopper assembly, 82, 84... Guide, 90, 91... Slot, 96... Base plate, 98... Clamp, 100
... Guide shaft, 104°106 ... Guide plate, 10
8... Side plate, 112... Clamp, 114...
Tightening head, 116...fluid pressure actuated cylinder, 1
18... Guide plate, 120... Pressure rod, 126...
- Rod, 128... Spring, 132... C-shaped frame, 134... Stock cutting action assembly, 1
40... Feeding assembly, 150° 152... Beam, 154, 156... Support part, 158.160...
・Beam, 164, 166...Slot, 161...
・Guide plate, 168... shaft, 110... guide plate,
172, 174...guide table, 176...
Stock feeding cylinder, 180 Stock tightening parallel feeding assembly, 192, 194 Guide plate, 2
02...Pilot pin, 206...Pilot cylinder 210...Sliding block, 2212...
Sliding rod, 218, 220... Jaw, 222.
224... Tooth row, 230, 232... Tightening cylinder, 234.236... Gripping portion, 246° 248
...Block, 250,252...Plate, 254゜2
56... Cutting blade portion, 258, 260... Stock passage, 261... Teeth row, 270.272... Press cylinder support plate, 274, 276... Press cylinder, 2γ8, 280... Cutting blade portion, 284... Tongue portion, 300... T-shaped plate, 302... Rail stopper assembly, 304... Yoke, 306... Arm, 308
...Side rail stopper, 310...Bell crank, 312...U link, 314...Piston, 31
6...Rail stopper cylinder, 322...Plate, 324...Cylinder, 326...Guide plate, 3
30...Stopper, 332...Arm, 334...
Cylinder, 336°338...Roller 340.
... Support plate, 342 ... Clamp cylinder, 344
...Guide plate, 346...Tightening head, 348.
...Drive roller, 354°356...Guide shaft, 35
8... Clamp, 362... Cylinder, 364.
... Stopper, 366 ... Switch action arm, 380
...Air supply source, 384,386°388.390・
...Valve, 542,558,586°638...renoid.

Claims (1)

Claims: 1. A wooden frame of the type having substantially parallel spaced wooden side members and a plurality of spaced apart wooden intermediate members extending substantially perpendicularly between the side members; A sheet metal connector material having a plurality of stamped and formed teeth and cut into individual connector plates for use in interconnecting said side members and said intermediate member is used. in an apparatus for manufacturing; a support structure; a pair of press heads carried by said support structure for movement along respective predetermined paths; an apparatus for moving the press head along each path; an apparatus carried by the support structure for feeding the connector material into a path of movement of the press head; and an apparatus for moving the press head along each path; a cutting device carried by said support structure and said press head, respectively, for cutting connector material to form a connector plate of a predetermined length by; said side members substantially parallel to each other; a device for laterally spaced apart support, and an automatic device for positioning said intermediate member between said side members and in a substantially perpendicular position; said press head; said respective intermediate member and said side member; a device is provided for relative positioning of said press head and said intermediate member and said side member for sequentially positioning joints between said press head and said intermediate member and said side member, respectively in opposing relation to one another; said relative positioning; Apparatus for advancing a partially completed side member and an intermediate member of a frame section away from a press head after each joint between them has been formed; means for releasably engaging the partially completed frame after the completed frame and the last joined intermediate member have been advanced a predetermined distance from the press head; and thus captures the movement of the partially completed frame sections one after the other, thereby spacing each last joined intermediate member by a specified distance from the next joined intermediate member, and The press head is arranged such that, upon subsequent movement of the press head in each path, for each relative positioning of the press head and the joint between the intermediate member and the side member in opposing relation to each other;
the teeth of the connector plate are applied to one side of the joint between the adjacent intermediate member and the side member to form a connector plate, the teeth of which are connected to the side member and each successive intermediate member; embedded on one side of the joint with the press head and so that said press head moves along their predetermined path in response to each subsequent position of the joint in opposing relation to one another. 1. The device characterized in that it comprises a control device for automatically activating the device for moving the press head.