JPH0818123B2 - Automatic release agent coating device for grid casting molds for lead-acid batteries - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for automatically applying a release agent for a lattice casting mold for lead acid batteries.

[0002]

2. Description of the Related Art A grid for a lead storage battery by casting is carried out by using a stationary die fixed to a casting machine and a moving die separated from the stationary die every casting cycle. A mold release agent is used in these molds, and it is necessary to repaint the mold release agent every time a predetermined cycle operation has passed. Conventionally, for the release agent application work of the grid casting mold for lead storage batteries, the mold is opened with the mold still attached to the casting machine, and the used release agent attached to the engraved surface of the grid is removed and cleaned with a hand brush. After that, the release agent was applied by hand spraying. This state is shown in FIG. In the figure, 7 is a fixed side die, and 8 is a moving side die.

[0003]

However, in the conventional method, since a skilled worker manually adjusts the amount of the release agent to be supplied and applies it based on his experience, the variation among the workers is very large. There was a problem that the quality of the grid was large and varied. In addition, the worker must be in contact with the heated mold for a long time under the dust and mist of the release agent to engage in the release agent removal and application work, and the working conditions are severe. There was also the problem of being there.

[0004] The present invention has been made in order to solve such problems of the above Symbol, and has as its purpose, to also improve the work environment as well as to homogenize the release agent applied to the mold The point is what kind of measures should be taken.

[0005]

According to the present invention, a pair of lead-acid battery grid casting molds are separated into a fixed mold and a movable mold, and a fixed mold and a movable mold are separated. and a mold separation device for the array in the top grating engraved surface, it comprises a plurality of rotary brushes, at least of which 1
The rotating shafts of the two rotating brushes are perpendicular to the lattice engraving surface of the mold, and a release agent removing device for removing the used release agent on the lattice engraving surface, and a plurality of spray guns. At least one of the spray guns rotates or reciprocates on the upper surface parallel to the lattice-shaped engraving surface, and the release agent is applied to the lattice-shaped engraved surface after the release agent is removed. It comprises a release agent application device for releasing agent coalescing fixed mold after coating and the movable mold and a mold coalescence device for the lattice casting mold for a pair of lead-acid batteries lead-acid battery grid casting mold release agent automatic coating apparatus comprising, and release agent coating device, a sensor for detecting the grating pattern incorporated carving the mold, certain engraving sensed by said sensor and a eluant paint remover for removing only release agent write unit, grid casting mold for the lead-acid battery By a release agent automatic coating apparatus, which solves the above problems. In the present invention, the fact that the rotation axis of the rotating brush is perpendicular to the lattice-shaped engraving surface of the mold means that the rotation axis of the rotating brush is completely perpendicular to the lattice-shaped engraving surface of the mold. Not only in the case, but also in the case where the effect is deviated from the vertical axis to the same extent. Further, the backward movement of the spray gun on the upper surface parallel to the lattice type engraving surface means that the spray gun performs reciprocating motion other than the rotational movement on the upper surface parallel to the lattice type engraving surface.

[0006]

[Function] The die separating device separates the lattice casting die removed from the casting machine into the stationary side die and the moving side die with the lattice engraving surface facing upward, and the lattice die engraving surface facing up. Ru are arranged Te. The lattice-shaped engraved surface is on the upper side in consideration of workability of removing and applying the release agent. The molds arranged with the lattice-shaped engraving surface facing upward are cleaned by a mold release agent removing device equipped with a roll brush, a circular brush or the like. The rotary shaft of at least one rotary brush of these brushes is arranged in the vertical direction on the lattice-shaped engraving surface of the mold. This is to more reliably remove the used release agent on the lattice-shaped engraving surface. A new release agent is applied to the mold from which the release agent has been removed by the release agent applying device . This mold release agent application device comprises a plurality of spray guns, and at least one of the spray guns rotates or reciprocates on the upper surface parallel to the lattice type engraving surface. As for the order of application, for example, first, a mold release agent for reinforcement is applied to the sprue part of the mold, then a release agent undercoat is applied, and then a release agent is applied to the entire surface of the grid engraving surface which is an intermediate finish application. , Overcoat the entire surface of the lattice engraving
U. The fixed-side mold and the moving-side mold after applying the release agent are combined by a mold combining device into a pair of lead-acid battery lattice casting molds. It should be noted that the lattice pattern engraved on the mold is detected
A sensor for the particular that is examined knowledge by the sensor
With a release agent remover to remove only the release agent from the engraved area.
Use the release agent automatic coating device equipped with the release agent coating device
After the intermediate finish coating, the mold release remained in the specific recesses of the grid engraving
Release agent coating to remove the agent
After that, release as in the above
Release agent application to remove the agent
In this case , it is possible to perform the mold release agent coating work with higher accuracy.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the drawings showing the embodiments. 1 to 4 are respectively a mold separating device and a release agent removing device .
It is a figure which shows the outline | summary of an apparatus , a mold release agent application device, and a mold combination device .

The mold separating apparatus 1 shown in FIG. 1 has two arms 5a and two other arms 5b which are opposite to each other by an air cylinder 27 with reference to a vertical plane. It is configured to be rotatable. The so-called fixed-side mold 7 and moving-side mold 8 that have been conveyed from the lattice casting machine are
As shown in FIG. 5, the arms 5a and 5b are set.
In this case, it is confirmed by the limit switch 26 attached to the arm 5 whether or not the respective dies 7 and 8 have been reliably set on the arm 5. Next, as shown in FIG. 6, the air cylinder 6 separates the fixed-side mold 7 and the moving-side mold 8. Then, as shown in FIG. 7 mounted by an air Schilling over 27, the arm 5a and 5b rotate while holding the mold 7, 8, the fixed mold 7 tray 12 a in the upper lattice Carving write surface The movable die 8 having the protrusion on the tray mounting surface is the tray lifting device 14
It is attached to the other of the tray 12 b which has been raised by. The tray 28 is positioned by the cylinder 28. In this way, the respective molds are arranged with the lattice type engraving surface facing upward. Arranging the respective molds with the lattice-shaped engraving surface facing upward is in consideration of workability of removing and applying the release agent.

The fixed mold 7 and the movable mold 8 mounted on the tray 12 move on the roller conveyor 68. After confirming that the arms 5a and 5b are completely separated from each other by the limit switch 26, the arms 5a and 5b
5b stands up. Then, the tray 12 moves on the roller conveyor 68 toward the turntable 9. The tray on which the moving-side mold 8 is placed passes through the turntable 9 as it is, and when the tray on which the fixed-side mold 7 is placed reaches the turntable, the turntable 9 rises and the rotary actuator 30 causes the fixed-side mold to move. Mold 7 in tray 12
a per 180 ° rotated, then the turntable 9 again
Goes down. The purpose of rotating the fixed-side mold 7 by 180 ° is to make the sprue of the fixed-side mold 7 in the same direction as the movable-side mold 8 and improve workability in the next step. The tray on the turntable 9 is moved by the tray transport chain 31.

[0010] The separated mold 7 and 8, the release shown in FIG. 2
When conveyed to the agent removing device 2, the roll brush 10 and the circular brush 11 start rotating. The rotation axis of the circular brush 11 is perpendicular to the lattice-shaped engraving surface of the mold. These brushes are structured to be interlocked by a motor 29. In this embodiment, two roll brushes 10 are provided, the first roll brush 10a is located on both ends of the grid engraving surfaces of the molds 7 and 8, and the second roll brush 10b is located on the mold 7. By brushing the central parts of
The release agent on the entire surfaces of the metal molds 7 and 8 on which the lattice is engraved is removed. Then, the circular brush 11 cleans the whole. Further, the air spray 21 removes the release agent fine powder remaining in the concave portions of the metal molds 7 and 8 on the grid engraving surface. This release agent removing device 2 is provided with a pair of spray guns 13 and applies a release agent to the peripheral edge of the cleaned grid engraving surface. This is a so-called burr prevention spray. This spray gun 13
Moves reciprocally on the slide shaft 34 by the rotation of the geared motor 33. The distance between the pair of spray guns is configured so that the rotary encoder 37 detects the number of rotations of a small motor 36 connected to the straight crank 35 and the molds 7 and 8 can be automatically adjusted for each type. The movement of the tray in the release agent removing device is performed by the conveyor 32. Incidentally, this device is sucked by a dust collector 38 so that dust and the like will not be scattered to the outside.

The molds 7 and 8 for which the release agent removal device 2 has removed the release agent on the engraved surface and the deburring sprays on both ends are processed by the release agent application device 3 shown in FIG. Is applied. A rotary encoder 40 is attached to the chain conveyor drive motor 39 of the release agent applying device 3 to instruct the release agent spraying start position and end position of the spray guns 15 and 16. Further spray gun 15 of the sprue for reinforcement is attached to the slide plate 41 reciprocates on the slide shaft 43 by formic catcher <br/> Domota 42. A rotary spray gun 16 for coating the entire lattice engraving surface, which rotates on a plane parallel to the lattice engraving surface, is attached to a rotary shaft 44, and a rotary shaft drive motor 45 drives and reduces the speed and drives the transmission. To rotate through. Further, a rotary encoder 48 is attached to the rotary shaft 44 to instruct a release agent spraying start position and an end position on the rotation circle. When the reinforcing coating and undercoating sprue ends, the mold 7, 8 is transported to the release agent coating the intermediate finishing unit 19a. The release agent application intermediate finish section there are sensors and a release agent remover 50a, the mold with the sensor 7, 8
While removing the grid engraving pattern, unnecessary release agent in the recesses of the grid engraving surface is removed. This work is automatically adjusted for each mold with different grid engraving, and the intermediate finish of applying the release agent is performed. After removing the unnecessary mold release agent in the concave portions of the grid engraving surface, the overcoating is performed again. Final finish is carried out by the last release agent applying final finish portion 19b. This release agent coating final finish 1
9b has a sensor and a release agent remover 50b,
While detecting a grid pattern as above release agent coating intermediate specification, performing coating surface adjustment of the release agent. In addition, the inside of the device is a dust collector 5
Since it is sucked by 3, the mist of the release agent generated at the time of application does not leak out of the apparatus. In addition, the above
The release agent removing machine is composed of a brush, a spatula, and the like.

The molds 7 and 8 which have been overcoated with the release agent or finished with the release agent coating are processed by the mold combining device 4 shown in FIG.
It is combined with a pair of lead-acid battery lattice casting molds. In the figure, the mold overtaking tray elevating device 24, Ete swapped positions of the movable side mold 8 and the fixed mold 7, for the same sequence as when set in the mold separation apparatus 1 belongs to. Here, when the moving side mold 8 mounted on the tray is conveyed into the mold overtaking tray lifting device 24,
The tray 12 is clamped by the clamp plate 51. The clamp plate is connected to the air cylinder 54 via the slide push 52, and the lifting side air cylinder 55 raises the movable die 8 together with the tray 12 clamped. Below that is the tray 12 with the fixed mold 7 attached.
Is transported by the transport chain conveyor 25, and passes over the tray 12 on which the moving die 8 is mounted. After the overtaking is completed, the tray 12 having the moving die 8 mounted thereon is lowered by the elevating air cylinder 55, the clamp is released, and the tray 12 is conveyed again by the tray conveying chain conveyor 25. When the tray 12 with the fixed mold 7 arrives on the turntable 23, the turntable 23 rises, separates the tray 12 with the fixed mold 7 from the chain conveyor 25 for transportation, and the rotary actuator 57 separates the metal mold. Rotate the mold 180 °. As a result, the directions of the gates of the fixed-side mold 7 and the movable-side mold 8 are the same as when the first division was made, and the fixed-side mold 7 and the movable-side mold 8 can be combined. . Thereafter, the turntable 23 descends, and the fixed-side mold 7 and the moving-side mold 8 mounted on the tray 12 are conveyed by a tray-conveying roller conveyor 56 and set on the mold-starting arms 20a and 20b. To be done. After confirming by the limit switch 59 that it has been set securely , the tray 1 is moved by the tray lifting device 58.
2 moves down, and the movable die 8 having the protrusion on the tray mounting surface is separated from the tray 12. After that, the air cylinder 60 is used to move the arm 20a, 20b
° Rise, and the movable side mold 8 and the fixed side mold 7 are combined by the mold combination cylinder 61. This procedure is a mold
The procedure is the reverse of that of the separation apparatus 1.

In this embodiment, the mold separating device 1, the mold releasing agent removing device 2, the mold releasing agent applying device 3, and the mold combining device 4 are connected by a chain conveyor, and the whole becomes one working flow. However, it is not limited to this,
The die transfer and the like may be performed by other appropriate means.

FIG. 9 is a diagram for comparing the quality of the conventional manual lattice and the lattice of the automatic release agent coating apparatus according to the present invention. As is clear from the figure, the lattice cast by using the release agent automatic coating device according to the present invention is very stable in quality. Moreover, there is a great effect that the worker can be released from severe working conditions.

[0015]

According to the release agent automatic coating apparatus of the present invention, it is not necessary for an operator to approach the mold, which is a heated object, to remove the release agent or perform the coating operation as in the conventional case. Moreover, since the release agent can be applied continuously and stably, the coating film becomes uniform and the lattice quality is dramatically improved. Further, since the release agent removing operation and the coating operation can be performed in the apparatus, there is a great advantage that the dust collector and the fog can be prevented from scattering by providing the dust collector, and the working environment can be remarkably improved.

[Brief description of drawings]

FIG. 1 is a diagram showing a mold separating device according to an embodiment of the present invention.

FIG. 2 is a diagram showing a release agent removing device according to an embodiment of the present invention.

FIG. 3 is a diagram showing a release agent coating device according to an embodiment of the present invention.

FIG. 4 is a diagram showing a mold combining device according to an embodiment of the present invention.

FIG. 5 is a view showing the operation of the mold separating device according to the embodiment of the present invention.

FIG. 6 is a view showing the operation of the mold separating device according to the first embodiment of the present invention.

FIG. 7 is a view showing the operation of the mold separating device according to the first embodiment of the present invention.

FIG. 8 is a view showing the operation of the mold separating device according to the first embodiment of the present invention.

FIG. 9 is a diagram comparing grid qualities.

FIG. 10 is a diagram showing a conventional releasing agent removing and applying operation.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mold separating device 2 Release agent removing device 3 Release agent applying device 4 Mold combining device 7 Fixed side mold 8 Moving side mold 10, 11 Rotating brush 15, 16 Spray gun

Claims (2)

[Claims] 1. A pair of lead-acid battery lattice casting dies are separated into a fixed side die (7) and a moving side die (8), and the fixed side die (7) and the moving side die are separated. A mold separating device (1) for arranging (8) and (b) with the lattice type engraving surface facing upward.
And a plurality of rotating brushes (10, 11), at least one rotating brush (11) having a rotation shaft (1
A release agent removing device (2) for removing the used release agent on the lattice-shaped engraving surface, wherein 1a) is perpendicular to the lattice-shaped engraved surface of the mold (7, 8); After removing the release agent, the spray guns (15, 16) of which at least one spray gun (16) is rotated or reciprocated on the upper surface parallel to the lattice type engraving surface. The mold release agent application device (3) for applying the mold release agent to the lattice-shaped engraving surface of, and the fixed side mold (7) and the moving side mold (8) after applying the mold release agent are combined. An automatic mold release agent coating device for a lead-acid battery lattice casting die, comprising: a die combination device (4) for forming a pair of lead-acid battery lattice casting dies. 2. A mold release agent applying device (3) removes only a sensor for detecting a lattice pattern engraved in a mold and a mold release agent in a specific engraved portion detected by the sensor. release agent, characterized in that a removal device, the release agent automatic coating apparatus according to claim 1 lead grid casting mold storage battery according to.