JPH0620404B2 - Fan bone surface flame treatment device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION <Industrial field of application> The present invention relates to the surface of a round fan bone so that the front and back paper can be easily attached to the round fan bone made of plastic (usually polypropylene) (the adhesive works easily). The present invention relates to a surface flame treatment device for removing the oil component of and also roughening the surface of the round bone.

<Prior Art> As shown in FIG. 6, in the conventional surface flame treatment apparatus, first, one of the two bones (four in the case of a small size) taken out from the molding die is cut off, and one operator is cut in that state. M1 supplied the fan bones A one by one to the lifting conveyor 21, and then supplied the fan bones A to the slide plate 22 from the upper end of the lifting conveyor 21. The fan bone A is flame-treated by spraying the flames of the large-sized gas burners 24 and 25 on the front and back sides from the treatment holes 23 at four locations in one second while dropping on the slide plate 22 having a length of 4 m (height of 3 m). It

<Problems to be Solved by the Invention> However, since the round bones A reaching the lower end of the sliding plate 22 disperse without taking a certain posture, in order to pick them up and place them in line on the delivery conveyor 26. Six workers M2
~ M7 was required.

Further, the round fan bone A is often caught in the processing hole 23 during the fall and burns or becomes a defective product. Furthermore, the fuel cost of the large gas burner is high (inefficient), and the large size burner is large. Since the fan bone A is heavy, it falls down quickly, and there is a problem that the flame treatment cannot be carried out sufficiently.

Therefore, the present invention reduces the fuel cost of the burner to about one third,
Reduce the height of the surface flame treatment device to about half (1m20cm),
Moreover, the objective is to provide a surface flame treatment device for round bones that can be fully automated (one observer).

<Means for Solving the Problem> The problem solving means according to the present invention is, as shown in FIGS. 1 to 5, a part of the pre-processed pelvic bone A on the feeding device 1 (feeding conveyor) (double fan bone). An openable and closable chuck 3 for gripping and lifting the protrusion C) of the connecting portion B of A and dropping the processed bone B on the delivery device 2 (delivery conveyor) around the rotation axis 7A. It has a rotating means 7 for rotating it and a burner 12 for flame-treating the surface of the radius bone during rotation by the operation of the rotating means 7.

<Operation> In the above problem solving means, the operation will be described next. In FIG. 1 and FIG. 2, the double round bones A are sent by the sending device 1 at intervals of 10 seconds. The chuck 3 at the standby position 3A is switched to the gripping position 3B, the chuck 3 is closed in a state where the chuck 3 is fitted to the protrusion C of the round bone B, and then the chuck 3 is returned to the original position 3A. Next, the chuck 3, that is, the round bone B is rotated at high speed by the rotating means 7. With a slight delay from this, the burner 12 which is ignited as shown in FIG. 4 is switched to the flame treatment position 12A, and the first surface (front surface) side of the fan bone A is processed for a predetermined time.

Next, the burner 12 again processes the second face (rear face) side of the radius bone A for a predetermined time. Then, the chuck 3 is opened as shown in FIG. 5, and the radius bone A is placed on the delivery device 2 after the treatment. Let it fall. At this time, the flame treatment time is set so that the flame treatment state of the bone A is the same as the state of being normally treated by the conventional method.

<Example> Hereinafter, an example of the present invention will be described. The surface flame treatment apparatus of the present invention is a part of the pre-processed raphe bone A on the feeding device 1 (feeding conveyor), that is, two round fan bones A. An openable and closable chuck 3 for gripping and lifting the projection C of the connecting portion B and dropping the processed bone B on the delivery device 2 (delivery conveyor) (a known pneumatically operated chuck using a solenoid valve). It is equipped with

Then, the reversing arm 5 and the reversing device 6 for reversing the chuck 3 with the reversing shaft 4 on the chantere bone reference plane D, and the chuck 3 attached to the tip of the reversing arm 5 are rotated around the rotation axis 7A. Motor-made rotating means 7 for rotating the speed adjustable (a combination of a link mechanism and an air cylinder is also possible),
A movable frame 8 for holding the reversing arm 5 on the reversing shaft 4, a base frame 10 for supporting the movable frame 8 on a hoisting shaft 9, and an air cylinder hoisting means for hoisting the movable frame 8 around the hoisting shaft 9. 1
1 (also made of step motor).

Further, one small movable type gas burner 12 for treating the surface of the bone and a bearing 13A of the base frame 10 for the burner 12
A switching means 14 that moves around the burner shaft 13 supported by and is switched between the flame treatment position 12A and the standby position 12B.
And a control circuit for activating each of the components at a predetermined timing.

3A is a standby position of the chuck 3, 3B is a gripping position of the chuck 3, 3C is an upward rotation position of the chuck 3, and 3D is a downward rotation position of the chuck 3.

Next, the operation will be described. In FIG. 1 and FIG. 2, since two fan bones A are fed by the feeding device 1 at intervals of 10 seconds, the undulating means 11 is activated at the same timing, and the undulating shaft 9 is operated. The movable frame 8 is turned upside down around and the chuck 3 at the standby position 3A is switched to the gripping position 3B.
The chuck 3 is closed in a state where the chuck 3 is fitted to the projection C of 1, and then the undulating means 11 is operated to the upright side to return the chuck 3 to the original position 3A.

Next, by rotating the reversing arm 5 to the lower side 90 degrees of the reversing device 6, the chuck 3 is switched to the upward rotation position 3C as shown in FIG. 3, and at the same time, the rotating means 7 rotates the chuck 3, that is, the fan bone A at a high speed. To do. Slightly behind this, the 4th
Switching means 14 for switching the burner 12 that is ignited as shown in the figure
Then, the standby position 12B is switched to the flame treatment position 12A, and the first surface (front surface) side of the fan bone A is processed for a predetermined time.

Next, the burner 12 is switched to the standby position 12B, the reversing arm 5 is reversed 180 degrees by the reversing device 6 as shown in FIG. 5, the chuck 3 is brought to the downward rotation position 3D, and the burner 12 is again set to the flame treatment device 12A. After switching, the second surface (back surface) side of the fan bone A is processed for a predetermined time.

After that, the chuck 3 is opened as shown in FIG. 5, and the processed bone B is dropped onto the delivery device 2. At this time, the flame treatment time is set so that the flame treatment state of the bone A is the same as the state of being normally treated by the conventional method.
Thereafter, the chuck 3 is returned to the original standby position 3A shown in FIGS. 1 and 2 by rotating the reversing arm 5 by 90 degrees, and thereafter, the above steps are repeated. After the treatment, the round bones A are cut off one by one by excising the connecting portion B.

Further, for the large radius A, the rotation number for one processing is adjusted by the rotating means 7.

The present invention is not limited to the above embodiments, and it goes without saying that many modifications and changes can be made to the above embodiments within the scope of the present invention.

For example, if a pair of burners 12 are provided so that the flames are in opposite directions, and the front and back surfaces of the round bone are treated at the same time by igniting at the same time, the reversing function of the reversing arm 5 of the chuck 3 can be omitted. Alternatively, the burner 12 may be of a stationary type and the chuck 3 side may be moved to the burner 12 side. In short, the main part of the present invention is to rotate the chuck 3, that is, the front and back surfaces of the fan bone A in a state of being brought close to the flame of the burner 12.

<Effects of the Invention> As is clear from the above description, according to the invention of claim 1, since the chuck 3 or the round bones A is rotated while the front and back surfaces thereof are brought close to the flame of the burner 12, the conventional round bones A As described above, it does not catch on the processing hole 23 in the middle of falling and burn or become defective, and since the gas burner seems to be small, the fuel cost is low, and the rotation speed of the large stapes is low. Can handle flames sufficiently.

Further, according to the invention of claim 2, the fuel cost is reduced to about one third by using a small burner due to the simple and inexpensive structure.
In addition, there is an excellent effect that the height of the surface flame treatment apparatus can be reduced to about half (1 m 20 cm) and the surface flame treatment apparatus for the round bone can be fully automated (one supervisor).

[Brief description of drawings]

FIG. 1 is a front view of a chuck standby position in an embodiment of the fan bone surface flame treatment apparatus of the present invention, FIG. 2 is a plan view thereof, and FIG. 3 is a side view of a chuck upward rotation position.
FIG. 4 is a plan view of the same, FIG. 5 is a side view of the chuck in a downward rotation position, and FIG. 6 is a schematic configuration diagram of a conventional device. A: Fan bone, C: Protrusion, D: Fan bone reference surface, 1: Feed device (feed conveyor), 2: Feed device (feed conveyor), 3: Chuck, 4: Inversion axis, 5: Inverted arm, 6: reversing device, 7A: rotating shaft, 7: rotating means, 8: movable frame,
9: undulation axis, 10: base frame, 11: undulation means, 12: burner, 12A: flame treatment position, 12B: standby position, 13:
Burner shaft, 14: switching means.

Claims (2)

[Claims] 1. An openable and closable chuck for gripping and lifting a part of the pre-treatment raphe on the feeding device and dropping the post-treatment raphe on the delivery device, and a rotary shaft of the chuck. A device for treating the surface flame of the malleus, which comprises a rotating means for rotating it around and a burner for treating the surface of the radius bone during rotation by the operation of the rotating means. 2. An openable / closable chuck for gripping and lifting a portion of the pre-treatment raphe on the feeding device and dropping the post-treatment fibula onto the delivery device, and the chuck as a radius bone reference. A reversing arm and a reversing device for reversing with a reversing axis on the surface, a rotating means for rotating the chuck attached to the tip of the reversing arm, and a movable frame for holding the reversing arm with the reversing axis. A base frame that supports the movable frame on an undulating axis, an undulating means that undulates the movable frame around the undulating axis, and a burner for flame-treating the raphe surface during rotation by the operation of the rotating means, A device for treating the surface flame of the malleus, which comprises a switching means for moving the burner around a burner shaft supported by a bearing of a base frame and switching between the flame treatment position and a standby position.