JPH01316227A - Method of integrally adhesive-molding seal member on fixed surface and mold therefor - Google Patents

Abstract

PURPOSE:To absorb the dimensional tolerance and integrally adhesive-mold a seal member having a constant thickness therearound by sliding the slide part and the sealed part of a receiving mold in mating with the configuration of an adhesive substance, and urging the slide part and the sealed part to be guided inside through a mold, further, fixing the adhesive substance. CONSTITUTION:An adhesive substance W is fitted into the inverted L-shaped groove 20 for fitting the adhesive substance of a receiving mold 10, and guide pins 26 are pierced through holes 31 of a mold 30, furthermore, the mold 30 is allowed to approach to the receiving mold 10, and a pressing part 50 is brought into contact with the adhesive substance W so as to press-fix the later and the oblique side 40 of the mold is also brought into contact with the oblique side of a right angled triangle press-sliding plate 16 of the receiving mold, so that the right angled triangle press-sliding plate is pulled into the inside namely in the direction of the groove 20, as the result, the dimensional tolerance can be absorbed in accordance with the configuration of the adhesive substance W. Accordingly, even in the case of molding integrally a seal member having a constant thickness and width on the required circumference of the adhesive substance W with dimensional dispersion, burrs never occur, thus any burr removing work becomes unnecessary, and the work comes to be efficient considerably.

Description

[Detailed Description of the Invention] [Industrial Applications f] The present invention relates to a method of integrally adhering and molding a sealing material to a solid surface and a mold for the molding, and more specifically, a method for molding a sealing material on a solid surface. A method for integrally bonding and molding waterproof, vibration-proof, sound-proof, and oil-proof sealing materials for automobiles, construction, machine tools, OA equipment, etc., which are characterized by absorbing dimensional tolerances, and the molding thereof. Regarding molds for use.

[Conventional technology 1 Conventionally, automobile parts such as automobile window glass, taillights, and direction support nails are attached to predetermined locations on automobiles, architectural parts such as building window glasses are attached to predetermined window frames, and machine tools are attached to predetermined locations. or to install sophisticated OA equipment in an office, adhesive must be applied by hand to the window frame, backing, gasket, installation location, etc. and adhered.

[Problems to be Solved by the Invention] However, this method was extremely complicated and inefficient. If there are variations in dimensions, burrs appear on the molded product, which necessitates removal of burrs, and it takes a considerable amount of time to make it into a finished product.

Therefore, a device for bonding a sealant to a solid surface has also been proposed. In this device, the required waterproof, vibration-proof, sound-proof, and oil-proof sealing materials are adhered to the object to be adhered, and the adhesive is pressed onto the object, but the work is extremely complicated and complex. In the case of objects to be adhered which have a similar shape, the mold may be destroyed during the pressing process, making molding impossible.

Furthermore, with objects having a curved shape, it was not possible to bond and mold the sealing material to have a uniform thickness.

[Means for Solving the Problems] The present invention aims to solve the above-mentioned drawbacks by moving the sliding part and the shield part of the receiving mold according to the shape of the object to be adhered, so that the mold can A sealing material for objects to be bonded, characterized in that it biases the sliding portion and the shield portion so as to guide them inward, further fixes the bonded object, and absorbs dimensional tolerances while correcting the shape accordingly. A method of integrally adhering and molding and a mold for the molding.

Function 1 In order to integrally bond and mold a sealant onto a solid surface using a mold configured as described above, each slide section divided according to the shape of the object to be adhered is moved on the mold. Since the precise four parts corresponding to the width of the sealing material to be molded are formed around the object to be adhered, the dimensional tolerance of the object to be adhered is absorbed, and shield parts are also formed at the front and rear ends of the recess. Make it possible to mate freely.

Then, the slide portion and the shield portion are moved inward by a mold having a slide portion and a shield portion that urge the slide portion and the shield portion to be guided inward, and a pressing portion that presses the object to be adhered. The object to be adhered is pressed and fixed by the pressing portion.

Therefore, even if a predetermined amount of molten synthetic resin is press-injected through a predetermined injection port, the object to be adhered will not move, the dimensional tolerance will be absorbed, the mold will not be destroyed, and the sealing material with a constant thickness can be integrated around the periphery. Can be adhesively molded.

[Example] Embodiments of the present invention will be described with reference to the accompanying drawings.

1 to 6 show an embodiment in which a waterproof, soundproof, and vibrationproof seal having a certain thickness is integrally adhesively molded on the corner portion of a window frame of an automobile.

A convex portion 10a is integrally formed on one side of the upper surface of the receiving mold 10,
The convex portion 1 is placed on the horizontal sliding surface 10b inside from the convex portion 10a.
On the opposite side of 0a, a sliding part 12 corresponding to the vertical part of the corner part of the window frame is provided to be movable, thereby forming an inverted-shaped groove 20 into which an object to be adhered is fitted.

A plurality of recesses 12b having a constant diameter and depth are formed at regular intervals on the outer wall 12a of the slide portion 12, and one end of the compression spring 14 is fitted into each recess 121).

A pressing sliding plate 16 shown in FIG. 5 is provided so as to be freely slidable in opposition to the outer wall 12a of the sliding portion 12. The pressing sliding plate has a right-angled triangular shape, and its vertical wall 16a faces the outer wall 1.
A plurality of recesses 16c each having a constant diameter and depth are formed at positions corresponding to the recesses 12b on surface 2a, and each recess 12b
The other end of the inner compression spring 14 is fitted to press the slide portion 12 and the pressing and sliding plate 16 against each other.

The shield part 22 is slidably fitted into the X-axis direction introduction port 20a of the inverted-shaped groove 20 on the horizontal sliding surface 10b1, and the x
The axial introduction port 20a can be freely connected to 111 chains. A solenoid valve or a hydraulic device (both not shown) is provided at the rear of the shield portion 22 to reciprocate the shield portion in the X-axis direction.

It's the other way around! Introducing the shape 20 in the V-axis direction [The shield part 24 is also slidably fitted into the Y-axis direction introduction port 120b.
0b can be locked freely. A solenoid valve or a hydraulic device is also provided at the rear of the shield part 22 to reciprocate the shield part 22 in the V-axis direction.

Therefore, the sliding portion 12 and the shield portions 22, 24 form a fitting groove 2G in which the adhesive is held.

Guide bins 2G are vertically protruded from each corner of the upper surface of the receiving mold 10.

A molten synthetic resin injection hole 18 is bored on the side surface of the receiving mold 10 close to the fitting groove 20 .

Curved grooves 32 and 32 are formed on the lower surface of the mold 30 provided correspondingly above the receiving die 10 along the seal molding portions of the fitting grooves 20 of the adherend, and the curved grooves 32
．． The shallow fitting groove 34 sandwiched between the pressing parts 50 and 50
Attach a and a.

To accommodate this, a recess 52 is formed at a required location on the upper surface of the pressing part 50. Each end of the compression spring 54 is fitted into the .52 so that the object to be adhered can be pressed and fixed from above.

Protruding edges 36.36 are formed at the boundaries between the curved grooves 32, 32 and the shallow fitting grooves 34 of the mold 30, respectively, to prevent the molten synthetic resin described below from leaking into the shallow fitting grooves 34 of the mold 30. prevent.

On the lower surface of the mold 30, a protrusion 40 having an oblique side 40a corresponding to the oblique side 16b of the sliding plate is formed at a location corresponding to the right triangular pressing sliding plate 16 of the receiving mold 10, so that the protrusion 40 can freely contact the oblique side 16, A through hole 36 in the guide bin 26 is drilled at each corner of the mold at a corresponding location to the vertical guide bin 26 in the receiving mold 10.

In the actual molding process, the object to be bonded is fitted into the shaped groove 20 of the receiving mold 1G, and the guide bin 26 is inserted into the through hole 31 of the mold 30. Penetrate the mold 30 to approach the receiving mold 10, press the pressing part 50.50a
is brought into contact with the object to be adhered, and the latter is pressed and fixed, and the hypotenuse 40 of the mold is brought into contact with the hypotenuse 16b of the right-angled triangular pressing sliding plate 16 of the receiving mold. It is pulled in the direction of the groove 20 and can absorb dimensional tolerances while following the shape of the object to be adhered.

Then, the shield portion 22 is fitted into the X and axial introduction ports 20a of the inverted-shaped groove 20 via a solenoid valve or a hydraulic device, and the Y
The fitting shield portion 24 is fitted into the axial introduction port 20b via a solenoid valve or a hydraulic device.

[Effect] According to the present invention, the object to be adhered is fitted into the fitting cross-shaped groove 20 of the receiving mold 10, and the mold 30 is lowered to the receiving mold via the guide bin 26. Then, the pressing parts 5G and 50a of the mold 30 press and fix the object to be adhered from above, and the space between both end surfaces of the object to be adhered and the curved grooves 32, 32 on both sides of the mold 30 is groove for shield molding 60.6
0 is formed.

Then, the protruding edges 36.36 at the boundary between the curved groove 32.32 and the shallow fitting groove 34 tightly fit the inner sides of both sides of the object to the upper fitting groove 34, and the receiving die 10 and the mold This prevents the molten synthetic resin injected into the mold 30 from leaking into the fitting groove 34.

As mentioned above, the inclined surface 40 of the lower surface of the mold 30 contacts the oblique side 16b of the right triangular pressing and sliding plate 16, and the compression spring 1
4, the slide part 12 and the shield parts 22, 24 are urged inward, so that no excessive force is applied to the receiving die 10 and the mold die 30, and dimensional tolerances are absorbed.

Therefore, even when the sealing material S having a certain thickness and width is integrally molded around the required circumference of the adhered object, which has variations in dimensions f and t, there is no need to perform deburr removal work, as no deburring will occur. , work becomes extremely efficient.

Therefore, in the case of adherends with complex shapes, conventionally,
Molding could only be done by hand, but if the mold according to the present invention is used, mechanization becomes possible.

In the embodiment of this invention, the sealing material S is integrally molded and adhered to a metal sealing frame for waterproofing, soundproofing, and vibrationproofing having a certain thickness at the corner part of the window frame of an automobile. In the embodiment of the bonded attachment device, the slide portion and the shield portion are naturally divided depending on the shape and are slidably provided on the receiving mold 10.

[Brief explanation of the drawing]

1. (m is a front view of the combined state of the receiving die and mold according to the present invention, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a line 111-111 in FIG. 2. 4 is a sectional view taken along the line IV--IV in FIG. 2; FIG. 5 is a front view of the receiving die and mold shown in FIG. Seventh front view of each of the pressing part, the sliding part, and the right triangular pressing sliding plate provided between the molds.
8 is an enlarged front view of a corner portion of an automobile window frame manufactured by the method of the present invention. FIG. 10...Receiving mold; 10a...Convex portion: 10b...Horizontal sliding surface: 12...Sliding portion: 12a...Outside wall: 12b...・Concavity: 14...Compression spring: 16...Press sliding plate: 16a...Vertical wall: 16b...Slope; 16C...Four parts: 18... ... Molten synthetic resin injection hole: 20...
・Fitting groove for the adhered object: 20a...X-axis direction introduction port; 20b...Y-axis direction introduction port; 22.24...Shield part; 26...Guide bin : 30...Mold type: 32...Curved groove: 34...Shallow fitting groove: 36...Protrusion edge: 38...Concavity: 40 ...Protrusion: 40a ... Hypotenuse: 50.50a ... Pressing part: 52 ... Four parts: 60 - ... For shield molding? A:S...
Shield part ---... Object to be adhered.

Claims (2)

[Claims] (1) A step of setting a receiving mold and a mold facing each other; A step of setting an object to be adhered in the receiving mold; and a step of: sliding a slide portion divided into a predetermined number onto the receiving mold;
A process of absorbing and correcting dimensional tolerances following the shape of the object to be adhered; A process of combining and fixing the mold to the receiving mold; and Injecting a molten sealing material into the receiving mold and the mold. A method of integrally adhering and molding a sealing material onto a solid surface, comprising: a step of removing the molten sealing material from the mold after hardening; (2) Forms a recess that is divided into a predetermined number of parts following the shape of the object to be adhered, and is slidably provided on the receiving mold so as to press against the object to be adhered, into which the object to be adhered is inserted. A receiving mold having a sliding part and a shield part provided to be freely fitted into the inlet of the recessed part: a sliding part and a shield that bias the sliding part and the shield part of the receiving mold to guide them inward A sealing material is integrally bonded and molded onto a solid surface consisting of a mold having a pressing part that presses the object to be adhered, and a protruding edge for preventing leakage of molten synthetic resin at the boundary between the seal molding groove and the shallow recess. mold.