JPH10328598A - Sealant coating applicator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sealant coating applicator capable of easily and stably applying a sealant at the mouth edge of an aperture. SOLUTION: A sealant discharging device B comprises a main body 10 and a cap 20. The outer peripheral shape of the cap 20 and the guide part 12 of the main body 10 is formed to approximately the same shape as the shape of the aperture 31 of a work 30. Passages (c), (d) are formed by the gap space formed between the cap 20 and the main body 10. The cap 20 and the guide part 12 are inserted into the aperture 31 and the sealant is discharged from the passage (d) through true passage (c) from sealant passages (a),(b) bored at the main body to form a ring of the sealant over the entire peripheral of the passage (d). The sealant discharging device B is then withdrawn from the aperture 31 of the work 30.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealant applying device, and more particularly, to a sealant applying device for applying a sealant to an edge of a work opening.

[0002]

2. Description of the Related Art Conventionally, as a method of applying a sealant to the edge of a work opening, a sealant extruded in a string form from a nozzle by hand has been applied in a ring along the edge of the opening. Since the sealant was applied to the tip of the bamboo skewer and applied to the rim of the opening, not only the work required skill, but also it was difficult to apply the proper amount of sealant evenly and unnecessary parts Was easily soiled and inefficient.

[0003] For this reason, there has been proposed a sealant applying apparatus capable of uniformly applying the sealant to the rim of the opening in a short time, and Japanese Utility Model Publication No. 3-56289 shown in FIG. 6 is known. In FIG. 6, a sealant application device is configured by the flange joint 100, the sealant liquid reservoir member 101, and the positioning member 102, and the positioning member 102 is inserted into the opening 104 of the work 103. The sealant is introduced from the supply pipe 105, passes through a plurality of through holes 106 formed in the flange portion of the positioning member 102, and passes through a gap 107 formed around the positioning member 102, and the opening portion 1 of the work 103.
The sealant flows into the sealant liquid reservoir 108 formed by the vicinity of the edge of 04, that is, the cylindrical outer peripheral surface of the positioning member 102 and the annular concave portion of the sealant liquid reservoir member 101 to form an annular sealant.

Japanese Patent Laid-Open Publication No. Hei 7-136566 discloses a nozzle for applying a chemical solution in an annular shape on an arbitrary surface. As shown in FIG. 7, a core 200 having a curved surface for guiding a chemical solution is engaged with a housing 201 to form a cylindrical gap 202, and the chemical solution is uniformly discharged from the cylindrical gap 202 by continuous discharge. Core 200
Flows along the curved surface 203 to form an umbrella-like liquid film, and the liquid is applied on the surface of the work 204.

[0005]

However, in any of the coating apparatuses described in the above-mentioned publications, after the sealing agent or the chemical is applied, the device is pulled out in a direction in which the sealing agent is applied to the work. is there. Therefore, when a high-viscosity sealant or chemical is used, the sealant or chemical does not separate from the device after the coating is applied after the coating device is pulled out. There's a problem. When the work is in the shape of a bag, it is impossible to apply it to the rim inside the work.

Accordingly, in order to solve the problems of the prior art, the present invention applies a sealing agent supply device and a sealing agent discharging device to uniformly apply an appropriate amount of sealing agent, and then pulls out the sealing agent discharging device. The sealant coating device that can easily and stably apply the sealant and the device, and the sealant application that can easily apply the stable and stable quality to the inner edge of the opening of the bag-shaped work It is intended to provide a device.

[0007]

Means for Solving the Problems In order to achieve the above-mentioned object, the invention according to claim 1 of the present invention comprises a main body (1).
0) and a lid (20) engaged with the main body, the sealant applying device for pressure-feeding the sealant to an opening (31) of the work, which is inserted through the opening of the work. A guide portion (12) projecting from the work surface is provided on the main body, and an outer shape (20) of the lid is formed in the same shape as the outer shape of the guide portion, and the guide is formed when the lid is engaged with the main body. End face (19) following the part and end face (23) of the lid
And the passage (d) is formed between the cylindrical portion (17) of the main body and the cylinder portion (22) of the lid when the lid is engaged with the main body. And a plurality of radial discharge passages (b) opened in the cylindrical portion of the main body, and the discharge passage (b) is connected to a sealant supply device. I do.

According to a second aspect of the present invention, there is provided the main body (40).
And a lid (50) engaged with the main body. The sealant applying device for pressure-feeding a sealant to an opening (31) of the work, wherein the sealant applying device is inserted through the opening of the work and A guide (42) projecting from a surface is provided on the main body, while a flange (52) of the lid is formed in the same shape as the outer shape of the guide, and the guide is engaged when the lid is engaged with the main body. (47) and the end face (5
6) is formed between the cylinder (46) of the main body and the cylindrical portion (51) of the lid when the lid is engaged with the main body. forming a passage (c) communicating with d), providing a plurality of radial discharge passages (b) opening in the cylindrical portion of the lid, and connecting the discharge passage (b) to the sealant supply device; It is characterized by.

According to a third aspect of the present invention, in the configuration of the first or second aspect, the end surface (19,
47) The base end (11, 41) following the guide on the opposite side
Is provided, and a stepped upper surface (16,
43) is formed, and a work is placed on this upper surface.

According to a fourth aspect of the present invention, in the configuration of the first aspect, the main body (10) has a base end (1).
1), a guide section (12) having a smaller diameter than the base end, and a discharge section (13) having a smaller diameter than the guide section. An upper surface (16) on which a work is placed is formed, and an end surface (19) serving as a sealant discharge passage is formed with a step between the guide portion and the discharge portion.

That is, in the present invention, the sealant discharge device is inserted into the opening of the work, and the sealant is fed by the sealant supply device. The sealant passes through the through holes (a), passes through a plurality of discharge passages (b) perforated at predetermined locations, and reaches the passage (c). This passage (c) is a cylindrical gap formed by the main body and the lid. When the sealant passes through the discharge passage, the sealant has a string shape. However, the sealant changes into a cylindrical flow over the entire circumference in the cylindrical gap, and the passage of the gap (also formed by the main body and the lid) is formed. In d), the ink is uniformly discharged and applied from the entire circumference. Then, when the sealant discharge device is pulled out to the opposite side of the work from the sealant application surface, the sealant attached to the opening end (e) is wiped clean at the opening edge of the work opening, and the applied sealant loses its shape. The coating can be performed in an appropriate amount and uniformly without causing a problem, and stable quality can be obtained. Also, when applying to the inner edge of the opening of the bag-shaped work, the sealant discharge device is inserted from the outer surface of the work, applied to the inner edge, and then easily applied by pulling out the discharge device to the outer surface. Work becomes possible.

If the guide portion of the sealant discharge device is provided with a step for placing a work, the application of the seal discharge device can be performed while the posture of the seal discharge device is stabilized and the work can be facilitated. .

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 shows the first embodiment of the present invention.
It is a longitudinal section of the sealant application device concerning an embodiment. The sealant application device of the present invention includes a sealant supply device A and a sealant discharge device B.

The sealant supply device A is composed of a cylinder 2 having a discharge hole 1 at the tip and a piston 3 fitted into the cylinder 2. The cylinder 2 has a capacity capable of accommodating a predetermined amount of the sealant, fills the cylinder 2 with a sealant (not shown), and discharges the sealant from the discharge hole 1 by pushing a handle 4 linked to the piston 3. Configuration. The handle 4 may be operated manually.

Next, the sealant discharging device B will be described. The sealant discharge device B includes a main body 10 and a lid 20. Body 1
Numeral 0 has a three-stage cylindrical outer shape and is formed on the base end portion 11 having the largest outer diameter, the guide portion 12 having a smaller diameter than the base end portion 11, and the discharge portion 13 having a smaller diameter. ing. The base end 11 has a holding hole 14 formed in the center of the shaft, and is configured so that the cylinder 2 of the sealant supply device A is removably inserted. Needless to say, the shape of the cylinder 2, such as the diameter of the holding hole 14 and the angle of the tip end near the discharge hole 1, is matched.

The guide portion 12 is formed in such a size that it can be inserted into the circular opening 31 of the work 30 to be coated with the sealant with a small gap. That is, it is formed on the cylindrical portion 15 having a dimension longer than the thickness of the work 30 and the upper surface 16 on which the work 30 is supported and placed. As is apparent from the figure, the stepped portion with the base end 11 forms the upper surface 16.

The discharge section 13 includes a cylindrical portion 17 and the cylindrical portion 1.
7 is formed by a male screw 18 formed at the tip. The difference in diameter from the guide 12 forms the end face 19.

The discharge passage of the sealant formed in the main body 10 will be described. A through hole a communicating with the holding hole 14 is formed in the axial direction. The through hole a may penetrate the main body 10. As shown in FIG. 1, a plurality of radial discharge passages b are formed in the vicinity of the end of the through hole a, that is, in the cylindrical portion 17.

Next, the structure of the lid 20, which is another component of the sealant discharging device B, will be described. The lid 20 has a bottomed cylindrical cup shape with one end opened, and the outer diameter is the same as the outer diameter of the guide portion 12 of the main body 10. A female screw 21 that engages with the male screw 18 of the main body 10 is formed on the bottom side, and is assembled as shown in FIG. A cylinder portion 22 is formed on the open end side following the female screw 21, and the open end is formed on an end surface 23 having a predetermined width. The inner diameter of the cylinder portion 22 is formed larger than the outer diameter of the cylindrical portion 17 of the main body 10. Further, the end surface 23 of the open end is set to maintain a gap so as not to interfere with the end surface 19 of the cylindrical portion 17 of the main body 10 when the lid 20 is attached to the male screw 18 of the main body 10. In this case, the length of the cylinder 22 of the lid 20 is set according to the relationship with the length of the cylinder 17 of the discharge unit 13.

According to the present invention, when the lid 20 is assembled to the main body 10, a gap is formed between the lid 20 and the main body 10, and this gap is used as a discharge path for the sealant. That is, as described above, the passage c is formed by the gap between the cylinder portion 22 of the lid 20 and the cylinder portion 17 of the main body 10.
The passage d is formed by a gap between the end face 23 of the lid 20 and the end face 19 of the main body 10.

Here, the dimensions required for the sealant discharging device B will be described. The gap between the cylindrical portion 15 of the guide portion 12 and the opening 31 of the work 30 is preferably set to be about 0.05 mm in diameter. Such a small gap allows the edge 32 of the opening 31 and the inner peripheral surface to be formed. Then, an appropriate sealant is applied. Further, it is preferable that the amount of protrusion of the cylindrical portion 15 from the work 30 be 1 mm or more, and the length from the end face 19 of the cylindrical portion 17 to the discharge passage b be 4 mm or more.
The gap between the passages c and d is preferably set to about 1 mm.

With respect to the operation of the present apparatus having the above-described configuration, the opening 31 of the flange portion on one side having a U-shaped cross section is shown.
The operation of applying a sealant to the surface will be described with reference to FIGS. 2, the sealant supply device A is inserted into the holding hole 14 of the sealant discharge device B, and the sealant discharge device B is inserted into the opening 31 from outside the work 30. In this case, as described above, since the outer shape of the cylindrical portion 15 of the guide portion 12 and the outer shape of the lid 20 have the same diameter, the cylindrical portion 15 can be inserted through the opening 31 of the work 30, and the upper surface 16 is placed in contact with the work 30. Place.

FIG. 3 is an explanatory view in which the sealant is discharged from the sealant supply device A while being set in the state described above. The sealant flows into the passage c from the through hole a via the discharge passage b,
During the filling of the passage c, it extends over the entire inner periphery of the cylinder portion 22 of the lid 20. Thereafter, the sealant is supplied from the passage d to the end face 2.
It flows out in a continuous uniform amount over the entire circumference of the opening end e between the end face 3 and the end face 19.

Next, in FIG. 4, when the sealant discharging device B is pulled out of the work 30 having a U-shaped cross section, the sealant adhered to the entire periphery of the opening end e is squeezed and cut off at the edge 32 of the opening 31. As a result, a uniform appropriate amount of the sealant is applied to the lip 32 without deformation.

The opening 31, the lid 20, and the guide 1
By providing a minute gap having a diameter of about 0.05 mm in 2, when the sealant discharge device B is pulled out, the sealant is dragged in, the sealant is applied to the inner peripheral surface of the opening 31, and at the same time as the lip 32. Sealing of the inner peripheral surface becomes possible.

Next, a second embodiment of the present invention will be described with reference to FIG. The sealant discharge device according to the second embodiment has a lip 32 of an opening 31 of a flange having a U-shaped cross section.
FIG. 2 is a longitudinal sectional view showing a state in which a sealant is applied to the sealant. In the figure, reference numeral A denotes a manual sealant supply device, which is the same as in the first embodiment.

The sealant discharge device B of the second embodiment also comprises a main body 40 and a lid 50, but the functions and actions to be taken are opposite to those of the first embodiment. That is, the main body 4
Reference numeral 0 denotes a cylindrical column having an outer shape of two steps, and is formed on a base end portion 41 having a large outer diameter and a guide portion 42 having a smaller diameter than the base end portion 41. An upper surface 43 is formed between the base end portion 41 and the guide portion 42, and a stepped portion for stabilizing the posture by contacting the work 30 is provided. The outer shape of the guide portion 42 is formed to have a predetermined size similar to that of the first embodiment so as to be inserted into the opening 31 of the work 30. A handle 44 is attached to the bottom surface of the base end 41.

The structure of the central portion of the main body 40 will be described. A female screw 45 is formed on the base end 41 side.
Next, a cylinder portion 46 having a predetermined length is formed on the opening end side near the guide portion 42. An upper end of the cylinder portion 46 has an end surface 47 having a predetermined width.

The lid 50 comprises a cylindrical portion 51 and a flange portion 52. The outer diameter of the cylindrical portion 51 is smaller and longer than the inner diameter of the cylinder portion 46, and the male screw 53 is formed following the cylinder portion 46. In the cylindrical portion 51, a plurality of discharge passages b communicating with the through holes a formed in the axial direction are bored and opened in the radial direction.

The outer shape of the flange portion 52 is the same as the diameter of the guide portion 42 of the main body 40. This is because it is necessary to remove the sealant discharge device B from the work 30 after applying the seal. On the upper surface 54 side of the through hole a, a tapered portion 55 for contacting the tip of the cylinder 2 of the sealant supply device A is provided. In the example of FIG. 5, it does not match the shape of the tip of the cylinder 2, but it is generally better to match it.

As in the case of the first embodiment, the lid 5
0 is screwed into the main body 40 to complete the sealant application device. At the time of assembly, a gap is formed between the lid 50 and the main body 40, and this gap is used as a discharge path for the sealant. That is, the passage c is formed in the gap between the cylindrical portion 51 and the cylinder portion 46 of the lid 50 by the end surface 56 of the lid 50 and the end surface 4 of the main body 40.
7 form a passage d.

Here, the minute gap between the guide portion 42 and the opening 31 of the work 30 is preferably set to be approximately 0.05 mm in diameter, and the amount of protrusion of the guide portion 42 from the work 30 is 1 mm.
It is better to take more. The interval width between the passages c and d is approximately 1
mm is good, and the distance between the discharge passage b and the passage d is approximately 3 mm.
It is better to set above.

The sealant discharged from the sealant supply device A flows into the passage c from the through hole a via the discharge passage b, and spreads over the entire inner periphery of the cylinder portion 46 while flowing through the passage c. A uniform amount of the sealant is discharged continuously over the entire outer periphery 32 of the opening. Next, when the sealant discharge device B is pulled out inside the U-shaped work 30, the sealant attached to the opening end e of the passage d is squeezed at the opening 31,
The operation that enables uniform application of the sealant to the outer edge 32 of the opening is the same as that of the first embodiment.

The apparatus of the present invention can also be applied to a workpiece in which the opening 31 of the workpiece 30 has a shape other than a circle. In this case, the guides 12 and 42 and the lid 2 are used.
What is necessary is just to manufacture 0 and 50 so that it may correspond to the shape of the opening part 31. Further, as the sealant supply device A, various types of guns such as a manual type or an automatic type ball gun can be selectively used.

[0035]

As described above, the sealant application device of the present invention includes the sealant discharge device inserted into and protruded from the opening of the work, and the sealant supply device for supplying the sealant thereto. I have. The discharge portion of the sealant discharge device is provided with a passage extending to the entire circumference of the opening of the work, and is configured to have an appropriate width, length, and shape so that the sealant is uniformly distributed over the entire circumference. A uniform and appropriate amount of sealant ring can be formed around the open end over the entire circumference. After the sealant ring is formed, the sealant ejection device is pulled out from the opening of the work, so that a uniform and appropriate amount of the sealant can be stably applied to the edge of the opening of the work. In the process of pulling out the seal discharge device, the sealant can also be applied to the inner wall of the opening of the work.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a sealant application device according to a first embodiment of the present invention.

FIG. 2 is an explanatory view when an attempt is made to set the apparatus in a work in a coating operation by the sealant applying apparatus according to the first embodiment.

FIG. 3 is an explanatory diagram when a sealant is applied in an application operation by the sealant application device according to the first embodiment.

FIG. 4 is an explanatory view of the application operation of the sealant applying device according to the first embodiment when the device is removed from the work after the application of the sealant.

FIG. 5 is a longitudinal sectional view of a sealant application device according to a second embodiment of the present invention.

FIG. 6 is a longitudinal sectional view of a form showing a conventional example.

FIG. 7 is a longitudinal sectional view of a form showing another conventional example.

[Explanation of symbols]

 Reference Signs List A sealant supply device B sealant discharge device 10, 40 body 11, 41 base end portion 12, 42 guide portion 13 discharge portion 15 cylindrical portion 16, 43 upper surface 17, 51 cylindrical portion 19, 47 end surface 20, 50 lid 22 , 46 Cylinder part 23, 56 End face 30 Work 31 Opening part 32 Edge a Through hole b Discharge passage c, d passage e Open end

Claims (4)

[Claims] An opening (31) for a work, comprising a main body (10) and a lid (20) engaged with the main body.
A guide member (12) that is inserted into the opening of the work and protrudes from the work surface, and the outer shape (20) of the lid is fixed to the main body. Forming a passage (d) between the end surface (19) following the guide portion and the end surface (23) of the lid when the lid is engaged with the main body; When the lid is engaged with the main body, the cylindrical portion (1
7) and a cylinder portion (22) of the lid body, a passage (c) communicating with the passage (d) is formed, and a plurality of radial discharge passages (b) opening to the cylindrical portion of the main body. ), And the discharge passage (b) is connected to a sealant supply device. 2. A work opening (31) comprising a main body (40) and a lid (50) engaged with the main body.
A guide member (42) that is inserted into the opening of the work and protrudes from the work surface, while a flange (52) of the lid is provided. The guide portion is formed in the same shape as the outer shape, and when the lid is engaged with the main body, a passage (d) is formed between an end surface (47) following the guide portion and an end surface (56) of the lid. Forming a passage (c) between the cylinder portion (46) of the main body and the cylindrical portion (51) of the lid when the lid is engaged with the main body and communicating with the passage (d); A sealant applying device, wherein a plurality of radial discharge passages (b) are provided in the cylindrical portion of the lid, and the discharge passages (b) are connected to a sealant supply device. 3. A base end (11, 41) following a guide portion opposite to the end surface (19, 47) of the main body, and a stepped upper surface (16) is provided between the guide portion and the base end. , 43);
2. A work is placed on the upper surface.
Or the sealant application device according to 2. 4. The main body (10) has a three-stage circle having a base end (11), a guide part (12) smaller in diameter than the base end, and a discharge part (13) smaller in diameter than the guide part. It is formed in a columnar shape, and the upper surface (1
6. The sealant applying device according to claim 1, wherein 6) is formed, and an end face (19) serving as a sealant discharge passage is formed with a step between the guide portion and the discharge portion.