JPS6268569A - Adhesive nozzle - Google Patents

Abstract

PURPOSE:To facilitate the washing of the interior of a nozzle and the removal of a cured adhesive, by covering the upper surface of the small width groove forming the adhesive emitting port for emitting the adhesive with a cover body made of a material non-adhesive to the adhesive in a detachable manner. CONSTITUTION:An adhesive nozzle 1 can apply an adhesive to a work widely and linearily at equal intervals by moving an inclined surface 19 rearwardly along the work. After the adhesive is applied, a press plate 33 is removed by loosening screws 36; thereby, a sheet like cover body 10 made of a material non-adhesive to the adhesive, for example, Teflon can be easily detached without being adhered to an upper surface part 7. Therefore, the exposed interiors of a small width groove 6, a transverse groove 21 and a longitudinal groove 29 can be easily washed and, even when the adhesive is cured, the cured adhesive can be easily removed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field] The present invention relates to an adhesive nozzle that can easily remove adhesive cured inside the nozzle and can stably apply adhesive over a wide area.

[Background technology]

For example, in adhesively fixing members such as furniture and fittings, two-component rapid-curing adhesives consisting of, for example, a base agent and a hardening agent are often used in order to improve work efficiency.

On the other hand, when applying such an adhesive over a wide area, a nozzle having small-diameter adhesive discharge ports arranged in parallel is used, but the adhesive tends to harden inside the nozzle.

However, as shown in FIG. 5, in the conventional nozzle A, a horizontal hole C formed horizontally in the front end of the integral nozzle base B is connected to a vertical hole that leads to an adhesive application gun, and the nozzle A plurality of small holes E- provided on the front surface of the base body B were connected to the horizontal hole C, and it was difficult to remove the adhesive that had hardened inside the nozzle, especially in the small holes E.

[Purpose of the invention]

An object of the present invention is to provide an adhesive nozzle that can expose the upper surface of small and medium grooves forming adhesive discharge ports for discharging adhesive, and facilitates removal of cured adhesive and internal cleaning.

[Disclosure of the invention]

An embodiment of the present invention will be described below based on the drawings.

In the figure, the adhesive nozzle 1 has a nozzle base 3 that is attached to the adhesive application gun 2, and a conductive hole 4 that communicates with the adhesive application gun 2 and opens at the front edge 5. An upper surface part 7 is formed in which small and medium grooves 6 are arranged in parallel, and the upper surface part 7 is covered with a removable cover 10 made of a non-adhesive material for the adhesive 9. .

In this example, the nozzle base 3 is made of a wide rectangular block piece made of aluminum, and the upper surface thereof has a relatively deep L-shaped cutout 12 extending from approximately the center height of the front surface toward the rear. provided, therefore the bulge 1 at the end
3 is formed. Further, the upper surface portion 7 is formed from the upper surface of the notch portion 12. Furthermore, one M64 surface is formed at the front end of the nozzle base 3 by cutting out the lower corner at an angle of approximately 20 degrees, and the nozzle base 3 has a small height and a wide front edge 5.
has. The rear edge of the nozzle base 3 is provided at its center with the guide hole 4 consisting of a screw hole extending inside the bulge 13, and the guide hole 4 is provided with a tubular male fitting 16 or an adhesive. It is fixed with screws. In addition, male metal fitting 1G is base nut 1.
A large diameter portion 2 having a tapered surface 22 that becomes smaller in diameter toward the rear at the rear end of the screw portion 17 into which the screw 5 is loosely inserted and screwed into the guide hole 4.
3 is expanded. Moreover, the inner hole 24 of the male metal fitting 16 communicates with the guide hole 4 when the male metal fitting 16 is attached.

Further, at the rear end of the upper surface part 7, in this example, there is a hole 2 with an exposed upper end and a closed lower end at a position symmetrical with respect to the center line.
6.26 is provided. The hole 26.26 is electrically connected to the guide hole 4 through a connecting hole 27.27 extending from the front end of the hole 4 and opening at the inner surface of the hole 26. Further, at the front end of the upper surface portion 7, a horizontal /1
121 is recessed, and the horizontal groove 21 is provided with a pair of vertical grooves 29.29 extending diagonally from both ends thereof toward the hole 26.26.

On the upper surface part 7, elementary and junior high schools a6- are arranged side by side.

The small and medium grooves 6 have their front surfaces opened at the front edge 5, their upper surfaces exposed to the upper surface portion 7, and their rear ends opened at the lateral grooves 21, and are arranged in parallel at equal intervals along the front end of the upper surface portion 7.

Therefore, in the elementary and middle school 7fi6, the conductive hole 4 is electrically connected through the horizontal groove 21, the groove 29, the hole 26, and the connecting hole 27. Further, the upper surface portion 7 is provided with screw holes 31, 31 for attaching the cover 10.

Note that the nozzle base 3 may also be subjected to hardening treatment such as alumite treatment.

The cover 10 is formed using a non-adhesive material for the adhesive 9 as described above. In this example, the adhesive 9 is a two-component epoxy resin adhesive consisting of a main agent and a curing agent. Further, a sheet made of Teflon is used as a non-adhesive material for the adhesive 9.

The cover 10 has a rectangular shape with the same size as the upper surface part 7 and has three through holes 34 and 34 that can be aligned with the screw holes 31. In this embodiment, the cover 10 has a -L surface part 7. It is pressed and clamped by the presser plate 33 to cover the upper surface portion 7. The presser plate 33 has a flat plate shape having the same shape as the notch 12, and has an inclined surface 39 on its front edge that is inclined upwardly at the same angle as the inclined surface 19. intersects the lower surface at the above-mentioned inclination angle. Therefore, an edge is formed at the front end of the holding plate 33.
A stepped hole 3 into which a screw 36 to be attached can be inserted and its head sunk
7.37 is drilled.

Therefore, by placing the cover 10 on the upper surface part 7 and pressing it down using the presser plate 33, the front surface of the elementary and middle school 46 can be sealed with the adhesive 9.
An adhesive discharge port 41-. for discharging adhesive is formed. Cover 1
0 can be removed by loosening the screws 36 and removing the presser plate 33.

Further, the nozzle base 3 is attached to the adhesive application gun 2.

In this example, the adhesive application gun 2 has a grip part 44 on the body part 43 and a flow path 45 in the body part 43 and the grip part 44.
is provided. Note that the flow path 45 includes a guide hole 47 extending from a nipple 46 at the rear end of the grip portion 44 and a guide hole 49 extending from the center of the body portion 43 .

Further, an on-off valve 53 is disposed at the tip of the body 43, and the on-off valve 53 has a needle valve 5 that opens the valve seat 51 when a trigger 54 is pressed down.
Includes 5. Further, the valve seat 51 is formed in a nipple-shaped tip fitting 52 that is attached to the tip of the guide hole 47. Further, a tapered hole 56 into which the tapered surface 22 of the male metal fitting 16 fits is provided at the front end of the tip fitting 52, and a threaded portion 57 into which the base napft 15 is fitted.

Therefore, by attaching the nozzle base 3, the guide hole 4 is opened to the on-off valve 5.
3 to the flow path 45 of the adhesive application gun 2.

Further, the needle valve 55 passes through the center of the guide hole 49 and is inserted through the rear end of the body 43 in a watertight manner, and a plunger 61 and a needle socket 62 are fixed to its protruding end. The plunger 61 is urged forward by a spring 59 to seat the needle valve 55 on the valve seat 51, and when the trigger 54 is pressed down, the plunger 61 is
0 retreats the plunger 61 against the spring 59 to open the valve seat 51, and the needle valve 55 is regulated in its retreat amount by the needle socket 62 coming into contact with the adjusting screw 63. Further, the edge screw 63 can be advanced or retracted by loosening the long nut 64, and the amount of retraction of the needle valve 55 can be adjusted.

Thus, the adhesive application gun 2 connects the adhesive tank to the nipple 46 and pumps the adhesive 9. By depressing the trigger 54, the needle valve 55 moves back and the valve seat 51 opens. Therefore, the adhesive 9 passes through the flow path 45 and is discharged from the metal tip 52.

Further, by rotating the adjustment screw 63, the amount of adhesive 9 to be discharged can be adjusted.

In addition, the nozzle base 3 is connected to the adhesive application gun 2 by means of a male fitting 16.
can be installed in the flow Uj
Conducts to 1r45.

Therefore, the adhesive 9 flows through the guide holes 4, the connecting holes 27, the holes 26, the vertical grooves 629, the horizontal grooves 21, and the small and medium grooves 6, and is discharged from the adhesive discharge port 41.

Therefore, as shown in FIG. 2, the adhesive nozzle 1 moves the inclined surface 19 or 39 along the workpiece W and moves backward to apply the adhesive 9 to the workpiece W in a wide and linear manner at equal intervals. can be attached.

After applying the adhesive 9, loosen the screws 36 and 36 and remove the presser plate 33.
By removing the cover 10, the cover 10 can be easily removed without being adhered to the upper surface part 7 by the adhesive 9. Therefore, the small and medium grooves 6, the horizontal fIJ 21, the vertical grooves 29, etc. can be exposed, and the inside thereof can be easily cleaned, and even when the adhesive 9 has hardened, it can be easily removed.

Further, the cover 10 covers the upper surface portion 7 with a sealing effect.

In addition, in the adhesive nozzle l of the present invention, the cover 10 may be a sheet body and pressed using a presser plate 33, or the cover 10 itself may be formed in the shape of a presser plate 33 and the presser plate 33 may be omitted. can. The cover 10 can also be formed, for example, by subjecting a metal plate, such as aluminum, to so-called Teflon processing. Further, the nozzle base 3 can also be formed using a non-adhesive material as the adhesive 9. In addition, the nozzle base 3 omits the male fitting 16 and is directly connected to the adhesive application gun 2.
It is also possible to form a mounting part so as to attach it to the holder. Furthermore, the nozzle base 3 can be formed into various shapes such as a rectangular shape, a triangular shape, and a fan shape.

Further, the two horizontal grooves and the vertical grooves 29 and 29 can be formed into one, for example, triangular shape. Also, as adhesive 9, 2
In addition to liquid epoxy resin adhesives, phenolic resin adhesives,
Various adhesives such as hot melt adhesives and rubber adhesives, and caulking agents can also be used. Depending on the type of adhesive 9, the cover 10 can be made of various materials such as Teflon, synthetic resins such as polyethylene and vinyl, and natural rubber.

〔Effect of the invention〕

(The adhesive nozzle of the present invention has small and medium grooves arranged in parallel on the nozzle base having a wide front edge, which are conductive to the adhesive application gun and open at the front edge, and whose upper surface is exposed. In addition, the upper surface is covered with a removable cover made of a non-adhesive material for the adhesive. It can be applied over a wide area and prevents the adhesive from spilling out or flowing down during bonding, which helps improve and stabilize the adhesive strength.Also, the cover uses a non-adhesive material for the adhesive, so it does not adhere to the nozzle base. This prevents the nozzle from clogging and allows for easy removal, and exposes the upper surface of the small and medium grooves.As a result, cleaning the inside of the nozzle and removing the hardened adhesive are easy and reliable, preventing clogging, and smoothing out the adhesive. This effect can be achieved.

[Brief explanation of drawings]

Fig. 1 is a sectional view showing an embodiment of the present invention together with its installation and state, Fig. 2 is a plan view thereof, and Fig. 3 is a side view thereof.
FIG. 4 is an exploded perspective view thereof, and FIG. 5 is a perspective view showing a conventional nozzle. 2.-adhesive application gun, 3-nozzle base, 4-guiding hole,
5-front edge, 6--small and medium grooves, 7-upper surface part, 9-
- Adhesive, 10- Covering body. Patent applicant Meiji Machinery Co., Ltd. Agent
Patent Attorney Tadashi Naemura 31 Figure 4 Figure 5

Claims (1)

[Claims] (1) A nozzle base that is attached to an adhesive application gun and has a wide front edge is provided with a conductive hole that communicates with the adhesive application gun and that is opened at the front edge, and the upper surface In addition to forming an upper surface portion with narrow grooves that are exposed in parallel,
An adhesive nozzle whose upper surface portion is covered with a removable cover made of a non-adhesive material.