JPS589850Y2 - Automatic wood loading device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an automatic loading machine that loads wood in a predetermined number of stages and sends it out.

Conventionally, the work of polymerizing a predetermined number of lumber before binding the sawn lumber has been done manually.

The object of the present invention is to provide a device that automatically and efficiently performs such wood polymerization work.

An example of the implementation of the present invention will be described with reference to the drawings. As shown in FIG. A binding machine 3 receives and binds the timbers a sent out from the binding machine 3, and a printing machine 4 prints predetermined characters, symbols, etc. on the bound timbers a received from the binding machine 3.

The circular saw machine 1 is equipped with two circular saws 5 on both sides, and the circular saws 5 are mounted on a movable table γ that is slidably installed on a base 6 so that the distance between them can be adjusted. They are installed respectively.

The circular saw machine 1 also includes a chain conveyor 8 located below the circular saw 5 and extending parallel to the sawtooth surface, and protrusions 10 provided at intervals on the chain 9 of the chain conveyor 8. Hold the wood a and use a circular saw 5 intermittently.
The plan is to transport the wood a towards.

The loading machine 2 has four transfer chains 14 that are respectively wound around sprockets 12 and 13 that are respectively mounted on a frame 11.
The lumber a is intermittently transferred to the circular saw machine 1 by the protrusion 15 of the transfer chain 14.

The frame 11 has a plurality of lifting rods 1 each facing the front side of the transfer chain 14 and having a support plate 16 at the upper end.
7 are supported so as to be able to move up and down, and a pinion 19 is provided which meshes with a rank 18 formed on the trunk of these lifting rods 17.

Upper frame 20 assembled on top of frame 11
A suspension beam 21 is installed above the lifting rod 17, and a pair of front suspension rods 22 and a husband and wife pair extend downward from the suspension beam 21 at both front and rear ends of the suspension beam 21, respectively. A pair of rear suspension rods 23, which are slightly longer than the front suspension rods 22, are provided, and rollers 24 and 25 are pivoted inside the lower ends of the front suspension rods 22 and rear suspension rods 23, respectively.

A cylinder 27 is pivotally supported at the lower end of a cylinder suspension rod 26 extending downward from the center of the suspension beam 21, and a piston rod 28 of this cylinder 27 is pivotably supported.
is fixed by a shaft 32 to the rear end of the holder 29 which is mounted on the rollers 24 and 25 so as to freely move forward and backward, and the piston rod 2
The receiving rod 29 moves forward and backward on the rollers 24 and 25 by moving in and out of the rollers 24 and 25.

The receiving rod 29 is inclined upward in the direction of movement of the wood a, and has a wood receiving portion 30 formed at its tip, and this wood receiving portion 30 is located above the lifting rod 17. ing.

Then, the lifting rod 17 lifts while holding the wood a on the receiving slope 31 that matches the slope of the receiving rod 29 formed on the upper surface of the support plate 16, and the lifting rod 17 is lifted by the wood a held on the receiving slope 31. Push up the rod 29 and insert the front part of the rod 29 into the shaft 32.
When the upper frame 2 is swung upward using the holder 29 as a fulcrum and pushed up so that the front part of the holder 29 is separated from the roller 24, the upper frame 2
A rimming switch provided above the outside of the blocking plate 75 that hangs down from 0 and faces the inside circumference of the tip of the support rod 29 senses the rise of the support rod 29 and stops the lifting rod 17. , by protruding the piston rod 28 of the cylinder 27 and retracting the receiving rod 29, and removing the receiving rod 29 by sliding it from the upper surface of the wood a, so that the tip of the wood receiving part 30 is located at the bottom of the wood a. The downward movement of the front end of the rod 29 is detected by the rimming switch provided on the lower outside of the blocking plate 75, and the piston rod 28 is sucked to remove the wood holder 30 at the tip of the rod 29. After moving the wood a upward, the lifting rod 17 is lowered to hold the wood a on the wood receiver 30, and this operation is repeated a preset number of times to sequentially move the desired amount of wood a downward. It is to be loaded on the receiving rod 29.

Further, above the receiving rod 29, a conveying cylinder 33 fixed to the upper frame 20 is provided.
The tip of the piston rod 34 facing in the direction of movement of the lumber a connects a vertical push plate part 35 and a receiving plate part 36 extending horizontally from the lower end of the push plate part 35 in the direction of movement of the lumber a. It is connected to an abbreviated conveyance plate 37 provided therein.

The upper end of the push plate portion 35 of the conveyor plate 37 has a dividing groove 38 on the upper surface.
A sliding tube 39 is provided, and is configured to slidably engage with a guide rod 40 installed on the upper frame 20 so as to extend in the direction in which the wood travels, thereby guiding the path of the conveying plate 37. It is.

Then, after repeating the vertical movement a preset number of times to load a predetermined number of stages of wood a onto the receiving rod 29, the lifting rod 17, which has lifted up with the last stage of wood a placed thereon, further moves up and down the receiving rod 29. The wood a loaded on the conveyor plate 37 is passed to the receiver, and it rises to the front of the conveyor plate 37 and stops. At this time, the conveyor cylinder 33
The piston rod 34 is pushed out, and the wood a loaded on the lifting rod 17 is received by the transport plate 37 and transported to the binding machine 3 in the front.

In FIG. 8, instead of the above-mentioned transport mechanism, a mechanism of transport hanging arms 42 attached at intervals to a chain 41 which is driven intermittently is used, and a mechanism of transport suspension arms 42 is used in place of the transport mechanism. In this example, lifting rods 17 and receiving rods 29 are installed in two rows so as to operate the levers.

Next, the binding machine 3 includes a base 43, a movable table 44 movably provided on the base 43 by a chain 48, and a binding machine movably provided on the movable table 44 by a binding machine sliding cylinder 49. A chain conveyor 46 is provided at the inner end of the movable table 44, and a strap feeding cylinder 47 is provided at the inner end of the binding machine head 45.

Then, the binding machine head 45 moves forward toward the wood a sent by the transport plate 37 or the transport hanging arm 42, and
Both ends of the wood a are inserted into the binding band feeding ring 47, and after the binding is completed, the wood a is sent toward the printing press 4 by the chain conveyor 46.

The structure of the binding machine head 45 is a conventionally known binding mechanism.

Next, the printing press 4 is installed on a frame 50 and is located above a chain conveyor 51.

As shown in FIG. 6, the printing press 4 is rotatably mounted on the bottom surface of the machine frame 52 so that the stamp surface 53 protrudes.
It is equipped with a polygonal stamp part 54 with a large number of stamp faces 53 formed on each side, and on the negative side of the stamp cylinder 54, a positioning disk 62 is fixed to a shaft 61 to which the stamp faces 54 are fixed. On the outer periphery of the positioning disk 62, a ■-shaped positioning groove 55 that matches the center of each stamp surface 53 of the stamp surface 54 is carved. When the positioning rod 58 provided at the tip of the piston rod 57 of the positioning cylinder 56 protrudes, the pointed end 59 that matches the positioning groove 55 fits into the positioning groove 55 to accurately align the desired stamp surface 53 on the machine frame 52. It is designed to be placed on the bottom.

The other side of the stamp surface 54 rotates to attach each stamp surface 52 to the machine frame 52.
A ratchet gear 60 having a large number of additional teeth so as to protrude from the lower surface is fixed to a shaft 61, and a link 63 is rotatably attached to the shaft 61 on the side of the ratchet gear 60. The tip of the piston rod 65 of a cylinder 64 fixed to the machine frame 52 is attached to the tip of the link 63, and a pawl support plate 66 is integrally formed on the surface of the link 63 facing the ratchet gear 60. A pawl 67 is pivotally attached to the pawl support plate 66, and the tip of the pawl 67 engages with the additional teeth of the ratchet gear 60 to move the ratchet gear 60 in one direction by moving the piston rod 65 in and out. Please send it only to .

Therefore, the stamp face 53 of the stamp face 54 is located at the end of the shaft 61.
A number of protrusions 68 (10 in the illustrated embodiment) are formed at different positions on the outer periphery of the shaft 61 so as to correspond to the stamp surfaces 53, and in the vicinity thereof, there are indentations 68 corresponding to the protrusions 68, respectively. 9 is facing, and when the - protrusion 68 corresponding to the - switch 69, which is selected according to the size of the wood detected during material feeding, comes into contact, the power is cut off and the piston rod 5 moves in and out. It's meant to be stopped.

Further, a sliding contact plate 71 supported on the machine frame 52 via a spring 70 is in contact with the outer peripheral surface of the positioning disc 62,
The outer circumferential surface of the positioning disc 62 is constantly pressed to brake the rotation of the stamp face 54.

Furthermore, on one side of the machine frame 52 is a swinging arm 72 bent in an L-shape.
The base end of the rocking arm 72 is pivotally connected to the piston rod T6 of the cylinder 74 which is pivotally supported on the other side of the machine frame 52, and the top surface of the tip of the rocking arm 72 is is provided with a stamp pad 73, and when the piston rod 76 moves in and out, the swinging arm 72 swings, and the stamp pad 73 is brought into pressure contact with the stamp surface 53, thereby applying printing ink to the stamp surface 53. .

A plurality of stamp surfaces 54 are arranged in a row on the machine frame 52 as described above.
is equipped with a stamp surface 53 that indicates the length, width, thickness, etc. of the wood a, and detects the length, width, and thickness using an optical or mechanical detection mechanism while the wood is being transported.
In response to this, the stamp surface 54 is rotated so that a desired stamp surface 53 is projected onto the lower surface of the machine frame 52, so that desired numbers, symbols, etc. can be printed.

A lifter 77 is provided on the frame 50 located below the machine frame 52 and is movable up and down to lift the wood a and press it against the stamp surface 53. One end is pivotally connected to the lower surface of the horizontal rod γ9 provided,
The other end of the link 82 is slidably placed on the upper surface of the lower base frame 80 by a row 281. The piston rod 8 of the push-up cylinder 84 is slidably brought into contact with the push-up cylinder 84 and has one end pivotally connected to the lower part of the frame 50.
5 is pivotally connected to another link 86 which is pivoted to cross each other at the center, and the push-up rod 7 is moved in and out by the piston rod 85.
8 to move up and down.

In addition, 87 is a spray gun, which injects ink onto the end surface of the wood a through a template 88 rotatably provided on the front.
It displays predetermined characters and symbols.

Next, to explain the operation of the present invention, the interval between the circular saws 5 is automatically or manually set to a size with less waste depending on the length and shortness of the timber, the timber a is placed on the chain conveyor 8, and the circular When the saw machine 1 is started, the wood a is sent towards the circular saw 5, where both sides are cut to the set dimensions and transferred to the transfer chain 1 of the loading machine 2.
4, the limit switch detects the intrusion of the wood a and the transfer chain 14 starts, and the limit switch detects that the wood a has reached the lifting rod 17 and stops the transfer chain 14. At the same time, the lifting rod 17 rises, brings the wood a into contact with the lower surface of the wood receiving part 30 of the receiving rod 29, and further rises, rotating the receiving rod 29 upward about the shaft 32, and lifts the wood a. Plate 7 to prevent the tip of 29 from rising
5, the piston rod 28 of the cylinder 27 protrudes, the rod 29 retreats, the tip of the rod 29 is removed from the upper surface of the wood a, and the rod 29 rotates and falls, which is detected by the limit switch. The piston rod 28 of the cylinder 27 is sensed and the piston rod 28 of the cylinder 27 is sucked to advance the wood receiving part 31 of the receiving rod 29 to the lower surface of the wood a, and then the lifting rod 17
is lowered, and the lifting rod 17 repeats this operation a preset number of times, and when it finally rises, it places a predetermined number of pieces of wood a on the wood receiving part 30 of the receiving rod 29 and further rises, lifting the transport plate 37. The wood a is lifted up to the front position and stopped, and upon sensing this, the piston rod 34 of the conveying cylinder 33 moves forward to deliver the wood a to the chain conveyor 46 of the binding machine 3.

The chain conveyor 46 transports the wood a to the binding band feeding ring 47.
The movable tables 44 move forward and insert the wood into the binding belt feeding ring 47, and after the binding is completed, return to the previous position, and the chain conveyor 46 starts to move the bundled timber a. is sent to the chain conveyor 51 of the printing press 4, and the chain conveyor 51 transports the wood a to below the spout 54 and stops.

Then, the piston rod 5 of the cylinder 64 reciprocates, and the mouth tube 54 prints an indication indicating the length of the wood a, for example.
, the reciprocating operation continues until the stamp surface 53 indicating the length detected in advance faces the lower part of the machine frame 52, and the protrusion 68 corresponding to the stamp surface 53 with that display is activated by the switch 69.
The piston rod 57 of the positioning cylinder 56 protrudes at the same time as the tip 5 of the positioning rod 58.
9 fits into the positioning groove 55 of the positioning disc 62 to correct the position of the mouth tube 54 so that the stamp face 53 accurately projects horizontally below the machine frame, and then the piston rod 85 of the push-up cylinder 84 The push-up bar 78 on which the wood a is protruded rises and presses the top surface of the wood a against the stamp face 53 to complete the printing and returns, and the piston door 6 of the cylinder 74 protrudes for the next printing and is shaken. The movable arm 72 is swung down, the stamp band 73 is pressed against the stamp surface 53, and the ink is applied to the stamp surface 5.
Apply to 3.

As described above, in the present invention, a support plate 16 having a receiving slope 31 is fixed at the upper end facing the front side of the transfer chain 14 provided on the frame 11 in order to transfer the wood a intermittently. While supporting a plurality of lifting rods 17 in a vertically movable manner,
A suspension beam 21 is installed above the lifting rod 17 of the upper frame 20, and a pair of front suspension rods 22 and a slightly longer rear suspension rod 23 are provided at the front and rear ends of the suspension beam 21, respectively. Rollers 24 and 25 are mounted inside the lower ends of the front hanging rod 22 and the rear hanging rod 23, respectively, and a cylinder 27 swings at the lower end of a cylinder hanging rod 26 suspended from the center of the hanging beam 21. A shaft 32 is attached to the rear end of the receiving rod 29, which is formed by providing at the front a wood receiving portion 30 which is rotatably supported and the piston rod 28 of the cylinder 27 is placed on the roller 24.25 so as to be freely advanced and retracted. Rimint switches for sensing the vertical movement of the rod 29 are installed at the upper and lower parts of the outside of the blocking plate 75, which is pivotally supported by the upper frame 20 and is exposed to the inner side of the tip of the rod 29. Further, a conveying cylinder 33 is provided above the receiving rod 29, and a conveying plate 37 is connected to the tip of the piston rod 34 of the conveying cylinder 33.
A sliding tube 39 with a split groove 38 is provided at the upper end of 7, and a guide rod 40 is slidably engaged with the sliding tube 39, so that it can be lifted by the lifting rod 17 without the need for manpower. A predetermined number of stages of wood a are loaded on the receiving rods 29, and then the wood a loaded on the receiving rods 29 in a predetermined number of stages is passed to the lifting rod 17, rises to the front of the transport plate 37, and stops. It is transferred to the transfer plate 37 and transferred to the next process.

[Brief explanation of drawings]

The figures show an example of the implementation of the present invention, in which Fig. 1 is an overall side view, Fig. 2 is an overall plan view, Fig. 3 is a side view of the loading machine, and Fig. 4 is a part of the loading machine. 5 is a front view of the printing press, FIG. 6 is a partial plan view of the printing press, FIG. 7 is a side view of the printing press, and FIG. 8 is a side view showing another embodiment. 11... Frame, 14... Transfer chain, 16... Support plate, 17... Lifting rod, 20... Upper frame, 21...
Hanging beam, 22... Front hanging rod, 23... Rear hanging rod, 24, 25... Roller, 26...
...Cylinder hanging rod, 27...Cylinder, 28.
...Piston rod, 29...Receptacle, 3
o... Wood receiving part, 31... Receiving slope, 3
2...Axis, 33...Transportation cylinder,
34... Piston rod, 37... Transfer plate, 38... Division groove, 39... Sliding tube, 40... Guide rod. , 75... blocking plate.

Claims (1)

[Scope of utility model registration request] A receiving slope 31 is placed facing the front side of the transfer chain 14 provided on the frame 11 to transfer the wood a intermittently.
A plurality of lifting rods 17 each having a support plate 16 fixed to the upper end thereof.
A suspension beam 21 is installed above the lifting rod 17 of the upper frame 20, and a pair of front suspension rods 22 and 22 are provided at the front and rear ends of the suspension beam 21, respectively. A rear hanging rod 23 which is slightly longer than this is provided, rows 224 and 25 are each pivoted on the inside of the lower ends of the front hanging rod 22 and the rear hanging rod 23, and a cylinder hanging rod is suspended from the center of the hanging beam 21. A cylinder 27 is rotatably supported at the lower end of the cylinder 26, and a piston rod 28 of the cylinder 27 is connected to the roller 2.
4, 25, and is supported by a shaft 32 at the rear end of the rod 29, which is formed by providing a wooden receiving portion 30 on the front end of the rod 29, which is placed on the upper frame 20 in a vertical manner. Receptacles 29 are installed at the top and bottom of the outside of the blocking plate 75 facing both insides of the tip.
Further, a conveying cylinder 33 is provided above the receiving rod 29, and a conveying plate 3 is provided at the tip of the piston rod 34 of the conveying cylinder 33.
7, a sliding tube 39 with a split groove 38 is provided at the upper end of the conveyor plate 37, and a guide rod 40 is provided on the sliding tube 39.
An automatic lumber loading device consisting of slidingly engaged parts.