JPS6156049B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fixing machine for soldering a chip to the tooth profile of a saw, particularly a circular saw.

In the past, fixing of the chip to the sawtooth shape was done manually using a special jig.

This requires skill and labor, and is not suitable for mass production.

SUMMARY OF THE INVENTION An object of the present invention is to provide a chip fixing machine that can automatically fix serrated chips, and to obtain the fixing machine at a low cost.

In order to achieve the above object, the present invention is characterized by having the following configuration.

That is, a push rod drive device is provided that intermittently pushes the tip push rod inserted into the transfer passage toward the terminal end.
A chip supply device that intermittently supplies a single chip into the transfer passage from the starting end to the terminal end of the transfer passage, and a wax that intermittently feeds a band-shaped wax directly above the arriving chip. feeding device,
A press machine that lowers a step-shaped blade approximately corresponding to the transfer side end surface of the chip and the top surface of the chip from above the drawn-out wax to cut the tip of the wax and polymerize it into chips; This is a chip fixing machine for sawtooth chips, in which a heating device for heating chips is arranged in series in sequence, and a tooth feed device is provided for pressing the sawtooth shape tooth by tooth against the chip that has arrived at the end of a transfer path.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Examples in which the configuration of the present invention is embodied will be described below with reference to the drawings.

First, in the drawings, FIG. 1 is a front view showing the main parts of the fixing machine according to the present invention, FIG. 2 is a partially sectional plan view thereof, and FIG. 3 is an enlarged sectional view of the main parts.

A movable base 2 is placed on the machine base 1 so as to be movable back and forth, that is, vertically movable in FIG.

On the left side of the movable table 2, there is a fixed guide 31 having an L-shaped notch in the upper part of the front side in the left and right direction;
A guide body 3 is provided in which a movable guide 32 having an inverted L-shape notched in the left-right direction at the lower part of the rear side is disposed facing each other.

The guide body 3 is constructed by moving the movable guide 32 toward and away from the fixed guide 31 in the front-rear direction.
A transfer passage 3a for passing chips is formed between the two, and the upper surface thereof is open and extends in the left-right direction.
This is to enable adjustment of the width of the transfer passage 3a in the front-rear direction, that is, the width of the passage perpendicular to the longitudinal direction. In FIG. 2, 32a is a long hole that allows the movable guide 32 to move in the front and back direction, and 32b is a long hole that allows the movable guide 32 to move in the front and back direction.
2 to the movable base 2. Reference numeral 4 in FIG. 2 is an adjusting device for setting the width of the transfer passage 3a to a predetermined value. The upper front side of the movable guide 32 is brought into contact with the rear end of the movable guide 32 via an adjusting bolt 43, and the upper rear side of the swing plate 41 is pressed by an adjusting tool 44 with a scale.

A hydraulic cylinder 5 serving as a push rod drive device is installed on the right side of the movable base 2 described above.

The hydraulic cylinder 5 is arranged so that its movable rod 51 can reciprocate in the left-right direction, and a push rod 52 that fits into the aforementioned transfer passage 3a is locked to the movable rod 51 at its right end.

Next, a chip supply device 6, a wax supply device 7, a press machine 8, and a heating device 9 are sequentially arranged on the transfer passage 3a from the starting end to the terminal end.

The chip supply device 6 is arranged at the starting end of the transfer passage 3a, and as shown in FIGS. 61
It consists of a cylindrical shutter 62 that slopes downward toward the front. The torque actuator 61 is provided with a rotary body 61b inside an outer cylinder 61a that intersects the transfer passage 3a in a horizontal direction and perpendicularly to the transfer passage 3a. 3
A is formed in communication with the through hole A formed in the rotating body 61b, and a bowl is elastically protruded from the starting end side of the through hole A formed in the rotating body 61b by a plate spring A, thereby narrowing the through hole A on the starting end side.

As a result, among the chips housed in the shooter 62, only the lowest chip a is placed in the rotating body 61b.
It is designed so that it can fit into the through hole A.

Further, the rotation of the rotating body 61b is controlled so that its through hole A communicates alternately with the shutter 62 and the transfer passage 3a.

Next, the above-mentioned wax supply device 7 includes a drum 71 around which a belt-shaped wax (silver solder) b is wound, and a delivery roll 72 that intermittently delivers the wax b below the drum 71.
It consists of a guide tube 73 that guides the wax b fed out from the feed roll 72 toward the transfer path 3a.

In addition, the press machine 8 described above is configured by moving a movable body 81 having a hook-shaped blade on the upper surface up and down, and cuts the wax b fed out from the guide tube 73 to a predetermined length. The wax b is bent and polymerized along the upper and left surfaces of the chip b.

Further, the aforementioned heating device 9 is attached to the end of the transfer passage 3b, and has a heating body 91 made of heat-resistant glass heated by a high-frequency coil that protrudes and retracts from the rear of the transfer passage 3b toward the front. The chip a that has arrived at the end is heated to melt the wax b that has polymerized on the chip b.

In addition, 10 in the figure is a stopper provided in the middle part of the movable table 2, which is moved forward and backward by a hydraulic cylinder 101, collides with the tip of the movable rod 51 which pushes out the push rod 52 when it is protruded, and prevents the protrusion of this stopper. The amount is regulated at a predetermined value.

Here, the aforementioned push rod drive device 5, chip supply device 6, wax supply device 7, press machine 8, heating device 9, and stopper 10 are electrically controlled in the following manner.

First, the rotating body 61b of the chip supply device 6 is rotated counterclockwise by the pulse motor _M1 as shown in FIG. is introduced into the starting end of the through hole A.

Next, the rotating body 61b is connected via the pulse motor _M1 .
is rotated clockwise to communicate the through hole A with the through hole A of the outer cylinder 61a, and thus with the transfer passage 3a.

Next, the hydraulic cylinder 5 is extended and the push rod 52
At the same time, the hydraulic cylinder 101 is extended to cause the stopper 10 to protrude.

As a result, the push rod 52 moves to the left, and the outer cylinder 61a,
It passes through the through holes A and A of the rotating body 61b, and the chip A in the through hole A is transferred toward the terminal end against the reaction force of the leaf spring E. Then, when the chip a slightly passes through the wax supply device 6 and arrives directly under the press machine 8, the tip of the movable rod 51 collides with the stopper 10, and the leftward movement of the push rod 52 is temporarily stopped. become.

Next, the feed roll 72 of the wax supply device 7 rotates in a preset manner to feed out a predetermined amount of the wax b toward the upper surface of the chip a, after which the movable body 81 of the press 8 descends and then rises. As a result, the tip of wax b is cut, and the cut wax b is polymerized into chip a.

Next, the stopper 10 is moved back and the movable rod 51 is released from the temporary stop, thereby causing the push rod 5 to move forward.
2 moves to the left again, and when the tip a reaches the end of the transfer passage 3a, the hydraulic cylinder 5 is fully extended and the push rod 52 is stopped.

Next, the heating element 91 of the heating device 9 moves forward and heats the chip a.

During this heating, the tooth profile feeding device 12, which will be described later, is operated to press the tooth profile 131 of the circular saw 13 onto the upper surface of the chip a, thereby fixing the chip a to the tooth profile via the wax b.

Next, the hydraulic cylinder 5 is operated to shorten the push rod 52.
is retreated toward the starting end of the transfer passage 3a. At the same time, the tooth profile feeding device 12 is operated to move the tooth profile 131 away from the chip a. At the same time, the drive motor (not shown) of the movable base 2 starts and the movable base 2
is moved forward, allowing rotation of the circular saw 13, that is, positioning of the tooth profile of the next stage, and then returning the movable table 2 backward by reversing the drive motor. Drive control is performed so that the above operations are repeated in sequence.

Next, as shown in FIG. 2, the tooth profile feeding device 12 described above has a shaft 122, the axis of which is perpendicular to the end of the transfer passage 3a from the horizontal direction, at the upper end of a support 121 that is set up on the ground. Provided to be rotatable.
A swing arm 123 is connected to the shaft 122, and the front part of the swing arm 123 has a support bar 124 projecting leftward from the swing arm 123, as shown in FIG. A movable column 125 is provided that projects upward from the movable column 125.
A pulse motor _M2 is mounted on the upper part of the shaft 122 at a position to the left of the shaft 122 and parallel to the shaft 122.

A support plate 126 in which a permanent magnet is embedded is attached to the rotating shaft of this pulse motor _M2 .
26 supports the circular saw 13 by suction. Further, the movable column 125 is provided with an auxiliary support plate 127 located immediately to the right of the pulse motor _M2 . This auxiliary support board 127 has a permanent magnet embedded therein which is set to have a weaker attraction force than the support board 126, and attracts the right end of the circular saw 13. The auxiliary support board 127 has a tooth shape of the circular saw 13 that contacts the end of the transfer passage 3a. 131 is positioned.

An operating bar 1 is provided at the rear of the swing arm 123.
28 is fixed. This actuation bar 128 is fixed. This operating bar 128 is used to manually rotate the swinging arm 123, and by rotating the operating bar 128, the axis of the circular saw 13 is aligned with the axis of the circular saw 13.
2. Therefore, the rotation is adjusted around the end of the transfer passage 3a, thereby maintaining the rake angle of the tooth profile of the circular saw 13.

Note that 129 in the figure is a balancer attached to the operating bar 128.

Next, the operation of the above embodiment will be explained.

First, the operating bar 128 is manually operated according to a scale plate (not shown) to set the axis of the pulse motor M ₂ to the rake angle of the circular saw 13 .

Next, the circular saw 13 is manually suctioned and set on the support plate 126.

Next, when a start button (not shown) is pressed, the pulse motor _M1 of the chip supply device 6 is activated, and the rotating body 61b is rotated to a position where its through hole I communicates with the shooter 62.

As a result, the lowest chip a in the shooter 62
When the ball enters the starting end of the through hole A, further entry is blocked by the bowl.

After a predetermined time, the pulse motor _M1 reverses,
The rotating body 61b is rotated to a position where its through hole A communicates with the transfer passage 3a.

Next, the hydraulic cylinder 5/101 is operated to extend. This causes the movable rod 51 to move to the left until its tip collides with the stopper 10.
As the movable rod 51 moves to the left, the push rod 52 moves to the left, moving the chip a inside the rotating body 61b to the left against the reaction force of the leaf spring, and moving the chip a to the position directly below the press machine 8. Transport.

Next, the feed roll 72 of the wax supply device 7 rotates a predetermined amount to supply the wax b onto the upper surface of the chip a. Note that this supply timing may be at the same time as the extension operation of the hydraulic cylinder 5.

Next, the press machine 8 moves downward, and the movable body 81
Cut the tip of the solder b to a predetermined length at the lower end of the chip a.
Flexural polymerization occurs along the top and left surfaces of.

Then, by the shortening operation of the hydraulic cylinder 101,
The stopper 10 is retracted from the movable rod 51, and the movable rod 51 is maximally extended.

Accompanying this, the push rod 52 moves to the maximum left, and the chip a is transferred to the end of the transfer passage 3a.

Next, the heating device 9 is operated for a predetermined time, and the heating element 9
1 comes into contact with the tip a and heats it, and at the same time, the pulse motor _M2 rotates clockwise for a predetermined period of time in FIG. 1, thereby pressing the tooth profile 131 of the circular saw 13 toward the tip a. Above pulse motor _M2
continues to rotate clockwise for a predetermined period of time, including while the chip a is being heated, and during this time the support plate 126 is rotated by the circular saw 13.
The tooth profile 131 is kept pressed against the tip a by the suction force of the support plate 126.

After the heating device 9 and the pulse motor 13 are deactivated, the movable base 2 is moved forward by the drive motor, and the end of the transfer passage 3a is connected to the tooth shape 13 of the circular saw 13.
At the same time, the pulse motor _M2 rotates to the left by one tooth to position the tooth profile of the next stage directly above the end of the transfer passage 3a, and then the movable base 2 returns to the reverse direction.

By repeating the above operations, the chips a are successively fixed to the tooth profile of the circular saw 13.

As explained above, according to the present invention, a chip supply device, a wax supply device, a press machine, and a heating machine are sequentially arranged from the starting end side to the terminal end side along the transfer path through which chips are transferred. A tooth profile feeding device is disposed outside the terminal end of the tooth profile, and a push rod driving device is provided to push the chip push bar inserted into the transfer passage in the terminal direction in conjunction with the operation of each of the above-mentioned devices. In addition to automatically fixing the chip to the chip, the motion of each device can be made into a simple linear or rotational reciprocating motion, and the mechanism and control are simplified and reduced in cost.

[Brief explanation of the drawing]

FIG. 1 is a front view of the main parts of a fixing machine according to the present invention, FIG. 2 is a partially sectional plan view thereof, FIG. 3 is an enlarged sectional view of the main parts, and FIG. 4 is a side sectional view of the main parts. 1... Machine base, 2... Movable base, 3... Guide device, 3a
...transfer passage, 4...adjustment device, 5...hydraulic cylinder (push rod drive device), 51...movable rod, 52...push rod, 6...chip supply device, 61...torque actuator, 61a...outer cylinder, 61b...rotating body, 62... Shooter, 7... Row supply device, 71... Drum, 72
...Feeding roll, 73...Guide cylinder, 8...Press machine,
81... Movable body, 9... Heating device, 10... Stopper,
12... Tooth feeder, 121... Support column, 122...
Axis, 123... Swing arm, 124... Support bar, 1
25... Movable column, 126... Support board, 127... Auxiliary support board, 128... Operating bar, 13... Circular saw, 131
...tooth shape.

Claims (1)

[Claims] 1. A push rod drive device is provided that intermittently pushes a chip push rod inserted into the transfer passage toward the terminal end, and a single chip is intermittently supplied into the transfer passage from the starting end to the terminal end of the transfer passage. a chip supply device that intermittently feeds a band-shaped wax directly above arriving chips, a wax supply device that intermittently feeds out a band of wax directly above arriving chips, and a blade that is formed in a step shape approximately corresponding to the transfer side end surface of the chip and the top surface of the chip. A press machine that lowers the wax from above the drawn-out wax to cut off the tip of the wax and polymerize it into chips, and a heating device that heats the chips are arranged in series in order to remove the chips that have arrived at the end of the transfer path. A machine for fixing chips to a sawtooth shape, which is equipped with a tooth feeder that presses the sawtooth shape one tooth at a time.