JPH07304020A - Method for bonding green body of sanitation fixture - Google Patents

Abstract

PURPOSE:To facilitate green body bonding work, reduce the cost of a bonding device, prevent the dispersion, deformation, cracking and the like of bonding from developing and prevent the corrosion, deterioration and the like of a bonding device from developing. CONSTITUTION:Under the condition that a rim part green body receiving plate 31, on which a rim part green body 3 is placed, is brought under floating state, the rim part green body 3 is positioned at the predetermined position. After the positioning, the rim part green body 3 is separated from the rim part green body receiving plate 31 by being suckingly held. After that, under the condition that a drum part green body receiving plate 41, on which a drum part green body 4 is placed, is brought under floating state, the drum part green body 4 is positioned at the predetermined position. The positioned drum part green body 4 is arranged below the rim part green body 3 so as to place the rim green body 3 or the drum part green body 4 in order to bond the joint area of the drum part green body 4 with that of the rim part green body 3 with bonding slurry.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for bonding raw materials to sanitary ware such as stall urinals and stools.

[0002]

2. Description of the Related Art Generally, when manufacturing sanitary ware such as stall urinals and sitting urinals, the sanitary ware is divided into a body portion and a rim portion, and not individually molded at once. A method is adopted in which the green body of the body and the green body of the rim are integrated by adhering them with a slurry for adhesion.

That is, after manually forming the body and the rim with separate molds, the body green body and the body rim are demolded on the backing plate, and the body green is joined. Adhesive slurry is applied to the surface, and two people lift the rim part raw material and place it on the trunk part raw material to bond them.

Further, as disclosed in Japanese Patent Publication No. 63-44707, a forming die is used to form a body raw material for a body and a raw material for a rim portion, and the forming surface is exposed with the joint surface of each raw material exposed. Hold it inside, apply adhesive glue to the joint surface of the body raw body, mold the rim raw body to the body raw body and bond them, then remove the bonded sanitary ware raw material Mold.

[0005]

However, in the above-mentioned manual bonding of the green body, since the green body of the body and the rim portion has a high water content, it is easily deformed, and when two people lift the raw body of the rim portion. Or, it is difficult to match the joint surface of the rim raw material to the joint surface of the body raw material, which requires skill, is inefficient, and the adhesion result varies.
There is a problem that deformation and cracks are likely to occur.

Also, in the bonding method disclosed in Japanese Examined Patent Publication No. 63-44707, a body forming mold and a rim forming mold, each containing a green body, are matched to bond the green body inside. , It is necessary to move at least one mold,
A device for that purpose is required, and since the adhesion slurry adheres to the mold matching surface of the molding die and the accuracy of mold matching decreases, a cleaning device for removing the above slurry is required. There is a problem that water splashes and falls on the device, causing corrosion and deterioration of the device.

[0007] As described above, it requires a device for moving a mold containing a heavy green body and a device for cleaning the mating surface, which complicates the structure and increases the equipment cost. There is.

The present invention does not require the skill of an operator, can efficiently bond the green body without causing variations, deformations, cracks, etc. of the bonding, and solves the problems such as corrosion and deterioration of the device. An object of the present invention is to provide a method and an apparatus for adhering a green body of sanitary ware.

[0009]

According to the present invention, the rim part raw material receiving plate on which the rim part raw material is placed is floated to position the rim part raw material at a predetermined position, and after the positioning, the rim part raw material is positioned. The base is adsorbed and held, separated from the rim raw green backing plate, and the body raw green backing plate on which the body raw green is placed is floated to position the body green base at a predetermined position, and the positioned body The green body is placed below the rim raw material, the rim raw material is placed on the body raw material, and the joint surface of the body raw material and the joint surface of the rim raw material are bonded together. It is intended to provide a method and an apparatus for adhering a green body of sanitary ware, which is characterized in that it is adhered by.

Further, a green body floating means for floating the rim raw green body receiving plate and the body raw green body receiving plate, and a green body positioning for pressing the rim raw green body and the body raw green body to position them at a predetermined position. Means, suction holding means for adsorbing and holding the rim part green body, separation means for separating the rim part green body from the rim part green body receiving plate, and conveying for conveying the trunk part green body to a position below the rim part green body And a green body floating means and a green body positioning means are provided separately for the rim part green body and the body part green body, respectively. Have.

[0011]

Embodiments of the present invention will be described with reference to the drawings.

FIGS. 1 and 2 are a front view and a plan view of a raw material bonding apparatus A for sanitary ware according to the present invention, wherein 1 is a left-right standing frame 11,11 and the standing frames 11,11. An upper frame 12 and a lower frame 13 spanning the upper end and a midway part of the apparatus, which is a gantry of a raw material bonding device formed in a substantially gate shape, between the upper frame 12 and the lower frame 13, a conveying means. The transport conveyor 21 as 2 is inserted in the front-back direction.

The transport conveyor 21 is a flat belt that smoothly slides on the upper surfaces of a pair of smooth left and right rails 22,22.
It is configured to convey the rim part green base receiving plate 31 on which the rim part green base 3 placed on 23,23 and the body part green base receiving plate 41 on which the body part green body 4 is placed, Since the flat belts 23 and 23 slide on the upper surface of the pair of smooth left and right rails 22 and 22,
The rim portion green body 3 and the body portion green body 4 can be transported smoothly without being adversely affected by vibration.

Further, the rim part green body 3 is provided on the upper frame 12.
The vertical rim portion lifting cylinder 51 that constitutes the separating means 5 is attached, and the suction pad attachment frame 61 that constitutes the adsorption holding means 6 is attached to the lower end of the piston rod 52 of the cylinder 51, and the adsorption pad attachment frame 61 is positioned above the conveyor 21. In addition, the suction pad mounting frame 61 is a guide 62 mounted on the upper frame 12.
It is guided by the vertical movement up and down accurately.

The suction holding means 6 has a plurality of suction pads 65 on the lower surface of the suction pad mounting frame 61 for sucking the rim portion green body 3 connected to a vacuum pump 64 via a flexible hose 63. In order to fit the suction surface of each suction pad 65 to the upper surface of the rim green substrate 3, the suction pad mounting frame 61 is formed in a substantially stepped shape, and each suction pad 65 is supported by a spring 66. The shape error of the upper surface of the rim green substrate 3 is absorbed.

A vertical green raw material lifting cylinder 71 is arranged below the transfer conveyor 21, and a green raw material floating cylinder guided by a guide body 73 is attached to the tip of a piston rod 72 of the vertical green raw material lifting cylinder 71. An air fryer 81 serving as a means 8 is mounted so as to face the suction holding means 6, a floating plate 87 is placed on the upper surface of the air fryer 81, and the upper surface of the air fryer 81 is retracted when the green substrate lifting cylinder 71 is retracted. The upper surface of the floating plate 87 placed on the carriage 21 is positioned lower than the upper surface of the conveyor 21, and the air fryer 81 and the floating plate 87 pass between the left and right rails 22 and 22 by the extension operation of the green body lifting cylinder 71. The rim part raw material receiving plate 31 and the body part raw material 4 on which the rim part raw material 3 is placed are vertically raised to a position higher than the left and right rails 22,22.
The body raw material receiving plate 41 on which is mounted can be lifted from the left and right rails 22,22.

As shown in FIGS. 3 and 4, the air fryer 81 has a through hole 86 in the upper surface of a thin rectangular box body 85 connected to a compressed air source 82 via a flexible hose 83 and a valve 84. Many holes are bored so that the floating plate 87 placed on the upper surface of the box body 85 is held in a floating state by the pressure of the air ejected from the through hole 86.

In such a floating state, the weight of the floating plate 87 and the object placed on the upper surface thereof is supported by the pressure of air existing between the upper surface of the box body 85 and the lower surface of the floating plate 87, and this air has a viscous property. Since it is low, the frictional resistance between the two becomes extremely small, and an object such as the trunk green body 4 placed on the floating plate 87 can be moved in the horizontal direction with a slight force.

A position regulating plate is provided on the outer periphery of the floating plate 87.
88 is vertically installed, and a plurality of return springs 89 are provided between the same position regulation plate 88 and the outer surface of the box body 85, and when the horizontal force does not act, the floating plate 87 is always in the center. I try to keep the original position.

Further, as shown in FIGS. 1 and 2, on the gantry 1, the green body positioning means is provided at the same height as the green bodies 3 and 4 which are lifted upward by the operation of the green body lifting cylinder 71. Front and rear and left and right positioning cylinders 9
Abutment piece with 1,92,93,94 mounted on the tip of piston rod 91a, 92a, 93a, 94a of each cylinder 91,92,93,94
91b, 92b, 93b, 94b contact the outer surfaces of the green bodies 3, 4 respectively, and the front and rear and left and right positions of the green bodies 3, 4 are moved by the expansion and contraction operation of the cylinders 91, 92, 93, 94. I am able to adjust it.

With such a structure, the rim part green body receiving plate 31 on which the rim part green body 3 transferred onto the floating plate 87 by the conveyor 21 and the body part green body on which the body part green body 4 is mounted are placed. The back plate 41 is lifted upward by the operation of the green body lifting cylinder 71, and the rim portion green body 3 floated by the green body floating means 8 is positioned in the front and rear and left and right positioning cylinders.
By the operation of 91, 92, 93, 94, the front and rear and left and right positions are accurately adjusted, the rim lifting cylinder 51 which constitutes the separating means 5 is operated, and the suction pad mounting frame 61 is lowered to make the suction pad mounting frame. The rim portion green body 3 is sucked by the suction pad 65 on the lower surface of the 61, and the rim portion lifting cylinder 51 is operated to raise the suction pad mounting frame 61, thereby separating the rim portion green body 3 from the receiving plate 31. , Can be held above the floating plate 87. After raising the rim green substrate 3, the green substrate lifting cylinder 71 is retracted to return only the rim green substrate receiving plate 31 onto the conveyor 21, and the conveyor 21 moves the floating plate 87 from a position above the floating plate 87. Can be carried away.

Further, the body raw material 4 placed on the body raw material receiving plate 41, which is conveyed above the floating plate 87 by the conveyer 21, is lifted up by the operation of the green body lifting cylinder 71, The body floating means 8 places the body raw material 4 placed on the body raw material receiving plate 41 in a floating state, and the positioning means 9
Can accurately adjust the horizontal position.

Next, a method for adhering the raw green body of the sanitary ware will be described with reference to the step of adhering the raw green body and the raw green body of the body.

First, as shown in FIG.
The rim part raw material receiving plate 31 on which the rim part raw material 3 is placed
And the body raw material receiving plate 41 on which the body raw material 4 is placed are alternately placed at a predetermined interval in the order described above, and the conveyor 21 is operated to operate as shown in FIG. , Rim part raw ground 3
The rim portion green substrate receiving plate 31 on which is placed is positioned above the green substrate lifting cylinder 71, and then the transport conveyor 21 is stopped.

Then, as shown in FIG. 6, the rim part raw material receiving plate 31 on which the rim part raw material 3 is placed is lifted up by the green material lifting cylinder 71, and the valve 84 is operated to operate the box of the air fryer 81. Floating plate with compressed air supplied to body 85
Floating 87, front and rear and left and right positioning cylinder 9
1,92,93,94 adjusts the front and rear and left and right positions of the rim part green body 3 for accurate positioning, and in this state, the valve 84 is operated to release the compressed air in the box 85, and the above immovable Stop the state to prevent the rim part green body 3 from moving, and retract all the front and rear and left and right positioning cylinders 91, 92, 93, 94 to make the rim part green body 3 and all contact pieces 91b, 92b, 93b. , 94
Separate from b.

Next, as shown in FIG. 7, the rim portion lifting cylinder 51 as the separating means 5 is extended to lower the suction pad attachment frame 61, and the lower surface of the suction pad attachment frame 61 is attached to the rim portion green body. The vacuum pump 64 is operated by bringing it into contact with the upper surface of the rim 3, and the suction pad 65 is made to adsorb the rim portion green body 3.

Next, as shown in FIG. 8, the rim portion lifting cylinder 51 of the separating means 5 is retracted to raise the suction pad mounting frame 61 to separate the rim portion green body 3 from the receiving plate 31. And can be held in the upper position.

Simultaneously with the rise of the rim green substrate 3, the green substrate lifting cylinder 71 is retracted to return the rim green substrate receiving plate 31 onto the conveyor 21.

At this time, the valve 84 is operated to supply compressed air to the air fryer 81 for a short time to float the floating plate 87, and the floating spring 87 is returned to its original position by the return spring 89.

Next, the transport conveyor 21 is operated to carry away the rim part raw material receiving plate 31, and at the same time, as shown in FIG. 9, the bonding surface with the rim part raw material 3 is coated with a slurry for adhesion. The body raw material receiving plate 41 on which the body raw material 4 is placed is conveyed above the raw material lifting cylinder 71, and the body raw material 4 is moved by the same raw material lifting cylinder 71 as shown in FIG. The body part green body receiving plate 41 placed thereon is lifted up and the valve 84 is operated to supply compressed air to the green body floating means 8, and the body part on which the body part green body 4 on the floating means 8 is placed. Leave the green substrate support plate 41 in a floating state, and position the front and rear and left and right positioning cylinders 91, 9
Accurately adjust the front and rear and left and right positions of the body green body 4 by 2,93,94, and operate the valve 84 in this state to release the compressed air in the box body 85 to stop the floating state, The left and right positioning cylinders 91, 92, 93, 94 are all retracted to separate the body raw material 4 from all the contact pieces 91b, 92b, 93b, 94b.

The above-mentioned adhesive slurry is applied manually on the conveyor 21 in advance, or is applied in advance by an automatic slurry applicator or the like.

Next, as shown in FIG. 11, the separating means 5
By extending the rim part lifting cylinder 51 and lowering the suction pad mounting frame 61, the rim part green body 3
Can be placed on the body part green body 4 with the joint surfaces closely contacting each other.

Then, the vacuum pump 64 is stopped to release the suction of the suction pad 65 to the rim portion green body 3.

Next, as shown in FIG. 12, the green body lifting cylinder 71 is retracted, and the body raw material receiving plate 41 on which the bonded rim raw material 3 and body raw material 4 are placed is attached. The body raw material receiving plate 41 on which the rim portion raw material 3 and the body raw material 4 which have been adhered are placed by lowering them onto the transport conveyor 21 and operating them is carried out to the outside of the gantry 1. By repeating the above steps, the bonding work between the rim portion raw material 3 and the body raw material 4 can be continuously performed.

Prior to the start of the next process, compressed air is supplied to the air fryer 81 for a short period of time to return the floating plate 87 to its original position by the return spring 89.

In this embodiment, the front and rear and left and right positioning cylinders 91, 92, 93, 9 as the green body positioning means 9 are used.
4 and the air fryer 81 as the green body floating means 8,
Although the rim part green body 3 and the body part green body 4 are used in common, the green body positioning means 9 and the green body floating means 8 are respectively used for the rim part green body 3 and the body part green body 4. It may be provided separately so that the positioning operations can be performed in parallel.

In the green body floating means 8, an electromagnet is attached to the upper end of the green body lifting cylinder 71 in place of the box 85, and a permanent magnet is attached to the floating plate so as to face the electromagnet. By exciting the electromagnet so that the permanent magnet and the electromagnet face each other with the same polarity, the floating plate can be floated by the magnetic repulsive force.

[0038]

According to the present invention, the rim raw material receiving plate on which the rim raw material is placed is floated to position the rim raw material at a predetermined position, and after the positioning, the rim raw material is placed. Adsorbed and held and separated from the rim raw green backing plate, and the body raw green backing plate on which the body raw green body is placed is set in a floating state, and the body raw green body is positioned at a predetermined position. Is placed below the rim part green body, the rim part green body is placed on the body part green body, and the joint surface of the body part raw body and the joint surface of the rim part green body are bonded with a bonding slurry. The raw material floating means for floating the rim part green body receiving plate and the body part green body receiving plate, and the rim part green body and the body part green body are pressed to a predetermined position. Green body positioning means for positioning the rim portion, suction holding means for holding the rim portion raw material by suction, and the rim portion raw material A separating means for separating from the rim green body receiving plate is formed of the a conveying means for conveying the barrel green body at a lower position of the rim green body, 2 requiring a conventional skill
Labor saving can be achieved by changing the manual labor of a person to a simple operation by one person's machine operation. Moreover, since there is no manual labor, there are variations in the adhesion result, deformation and cracks after adhesion. Can be prevented.

Further, unlike the case of adhering the green body inside by moving and molding at least one of the body forming mold and the rim forming mold containing the green body respectively, the forming mold is moved. Since a mechanism is not required and the raw material after demolding is handled, the weight of the object to be handled is light, and members such as frames and cylinders can be made smaller or have a smaller capacity. Can be manufactured at low cost, and since there is no scattering of cleaning water for removing sludge adhering to the mating surface of the molding die, corrosion and deterioration of the device can be prevented.

In particular, the front and rear and left and right positions of the rim green body 3 and the body green body are accurately positioned by the front and rear and left and right positioning cylinders respectively, so that the joint surfaces of the green bodies are accurately joined to each other. Can be
Since the positioning is performed on the green body floated by the green body floating means, only a slight force acts on each green body, and therefore each green body is soft and prone to plastic deformation. However, the positioning can be performed without breaking the shape.

Further, since the green body floating means and the green body positioning means are provided separately for the rim portion green body and the body portion green body, the positioning operation of each green body is performed in parallel. Therefore, the efficiency of the bonding work can be further improved.

[Brief description of drawings]

FIG. 1 is a front view of a sanitary ware raw material bonding apparatus according to the present invention.

FIG. 2 is a plan view of the device.

FIG. 3 is a perspective view of an air fryer as a floating unit.

FIG. 4 is a vertical sectional view of an air fryer.

FIG. 5 is an explanatory front view showing the steps of the green body bonding operation.

FIG. 6 is a front view showing the steps of the green body bonding operation.

FIG. 7 is a front explanatory view showing the steps of the green body bonding operation.

FIG. 8 is an explanatory front view showing the steps of the green body bonding operation.

FIG. 9 is a front view showing the steps of the green body bonding operation.

FIG. 10 is an explanatory front view showing the steps of the green body bonding operation.

FIG. 11 is a front explanatory view showing the steps of the green body bonding operation.

FIG. 12 is an explanatory front view showing the steps of the green body bonding operation.

[Explanation of symbols]

 2 Conveying means 3 Rim portion green body 4 Body raw material 5 Separation means 6 Adsorption holding means 8 Raw material floating means 9 Raw material positioning means 31 Rim part raw material receiving plate 41 Body raw material receiving plate

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Seiji Hsinchu Inventor Seiji Hsinchu 2-1, 1-1 Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka Totoki Equipment Co., Ltd. (72) Satoru Kawano 2 Nakajima, Kokurakita-ku, Kitakyushu, Fukuoka 1st-1st Totoki Equipment Co., Ltd.

Claims (3)

[Claims] 1. A rim part green body is placed in a predetermined position with a rim part green body receiving plate (31) on which the rim part green body (3) is placed in a floating state.
(3) is positioned, and after the positioning, the rim part green body (3) is suction-held and separated from the rim part green body receiving plate (31), and the body part green body (4) is placed. With the base plate (41) in a floating state, position the trunk green body (4) at a predetermined position, place the positioned body green body (4) below the rim green body (3), and Place the rim part base material (3) on the part base material (4),
A method for adhering a raw material for sanitary ware, characterized in that the joint surface of the body raw body (4) and the joint surface of the rim portion raw material (3) are adhered with an adhesive slurry. 2. A raw green body floating means (8) for floating the rim raw green body receiving plate (31) and the body raw green body receiving plate (41), a rim raw green body (3) and a body raw green body (4). ) To a predetermined position, a suction holding means (6) for holding the rim portion green body (3) by suction, and a rim portion green body (3) for receiving the rim portion green body (3). A sanitary ware raw material adhering device comprising a separating means (5) for separating the plate (31) and a conveying means (2) for conveying the body raw material (4) to a position below the rim raw material (3). . 3. The green body floating means (8) and the green body positioning means (9) are for a rim portion green body (3) and a body portion green body (4).
3. The raw material bonding apparatus for sanitary ware according to claim 2, wherein the and are respectively provided separately.