CN106733473B

CN106733473B - Three-component gluing head

Info

Publication number: CN106733473B
Application number: CN201710033388.9A
Authority: CN
Inventors: 刘桂红; 韩旭; 韩毅军; 时丕林
Original assignee: Dalian Huagong Innovation Technology Co Ltd
Current assignee: Dalian Huagong Innovation Technology Co Ltd
Priority date: 2017-01-11
Filing date: 2017-01-11
Publication date: 2022-12-02
Anticipated expiration: 2037-01-11
Also published as: CN106733473A

Abstract

The invention relates to a three-component gluing head of gluing equipment, which is used for gluing two-component glue, and comprises a rotary shaft moving device, wherein a glue device A, a glue device B and a glue device C are respectively used for conveying the glue A, the glue B and the glue C; the motor, the rubber head seat, the intermediate body, the transition seat, the base, the rubber nozzle seat and the rubber nozzle nut are sequentially connected, the base is in threaded connection with the transition seat, the shaft-driven piston is installed between an upper end hole of the rubber head seat and the nut A, an upper excircle of the shaft-driven piston is in movable fit with an inner hole of the fixed seat, and the motor can drive the stirring blade to rotate; the glue A or the glue B and the glue C continuously enter the opening A or the opening B and the opening C respectively, the motor drives the stirring blade to continuously rotate, the glue A or the glue B and the glue C are uniformly mixed, flow out of the glue coating nozzle, are coated on a workpiece and start to react and solidify. The gluing head is suitable for gluing two kinds of glue A and B, particularly two kinds of polyurethane glue, and achieves the purposes of no glue dripping and wire drawing, automatic conversion of the two kinds of glue, and no need of replacing and cleaning pipelines.

Description

Three-component gluing head

Technical Field

The invention relates to a gluing head of gluing equipment, which is suitable for gluing two-component glue, in particular to gluing two-component polyurethane glue.

Background

The types of the glue coating heads are more at home and abroad, and the glue coating heads can be divided into axial motion, cup motion, external glue valve control and the like according to the structural form of a glue outlet valve body switch.

Patent "multichannel water washs two ingredient rubber coating head", patent number CN2012100552493, and "multicomponent polyurethane needle valve water washs rubber coating head", patent number CN2012100689458, solved two ingredient rubber coating heads and must used the solvent to wash, can not use the problem that water washed, provide a multichannel water washing two ingredient rubber coating heads.

The patent of the drip-proof glue coating head is CN2011100700005, the glue leakage phenomenon is avoided, the glue is saved, and the quality of the product is ensured.

According to the invention, the micro multi-component glue spreading head seat is disclosed in the patent No. CN2011100699987, so that instantaneous metering and mixing of micro multi-components can be realized, and glue solution can be effectively prevented from dripping and leaking when the micro multi-component glue spreading head seat stops working intermittently at each time.

In the patent of micro composite needle valve mixing device, the patent number is CN2014105634323, two high-precision micro screw pumps are adopted to respectively convey polyurethane A and polyurethane B, and the glue feeding amount of two micro-component polyurethanes is easily and accurately controlled.

The novel shaft-driven gluing head has the advantages that the accurate opening or closing of the gluing head is realized, the service life is prolonged, the working efficiency is improved, and the novel shaft-driven gluing head is suitable for double-component and single-component polyurethane middle gluing heads, and is particularly suitable for double-component gluing heads.

The patent of micro double-tube needle valve is CN201410583475.8, the glue feeding amount of the two-component polyurethane is easy to control accurately, the mixing effect is ideal, and the technical performance index of the product is good.

A quick-closing gluing head is disclosed, and the patent number is CN201521074572.0, and solves the problems that when the viscosity of an adhesive is high, the gluing head can be quickly closed, glue dripping is avoided, and wire drawing is avoided.

Patent "a rotatory rubber coating head of rubber coating mouth", patent number CN201620352455.4 discloses a rotatory rubber coating head of rubber coating mouth, has realized that the rubber coating mouth is rotatory, has enlarged the application range of rubber coating equipment.

The gluing head of the patent is double-component, can only be used for gluing two components, and cannot be used for gluing a first glue and a second glue.

The three components are component A glue, component B glue and component C glue of nail and component B glue, the component A glue and the component B glue are main components of the component A glue and the component B glue, and the component C glue is a curing agent component shared by the component A glue and the component B glue. The three-component gluing head is used for conveying and gluing the three components in one gluing head respectively. When the component A glue and the component C glue are conveyed, the component B glue is not conveyed, and the component A glue and the component C glue are mixed and cured to finish the glue coating of the component A glue. When the component B glue and the component C glue are conveyed, the component A glue is not conveyed, and the component B glue and the component C glue are mixed and cured to finish the gluing of the component B glue. The three-component gluing head has the advantages that the gluing of the glue A and the glue B can be respectively realized by using one gluing head, the gluing of the two glue components is realized, one set of gluing head and gluing equipment are saved, the troubles of cleaning, replacing gluing pipelines and the like caused by replacing the gluing head are avoided, and the effect is improved. For convenience of description, the glue of the component A, the glue of the component B and the glue of the component C are simply referred to as the glue A, the glue B and the glue C.

Disclosure of Invention

In order to solve the problems, a three-component gluing head is needed to be developed, which is suitable for gluing a first two-component glue and a second two-component glue, is especially suitable for gluing a second two-component polyurethane, and can achieve the purposes of no glue dripping and wire drawing, automatic conversion of the two glues, and no need of pipeline replacement and cleaning.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the three-component gluing head is of a shaft-driven structure, and is used for conveying three components of glue in one gluing head respectively to glue A glue and B glue, and particularly for gluing two components of polyurethane; the method is characterized in that: the glue coating head comprises a rotary shaft moving device, a glue A device, a glue B device and a glue C device, wherein the glue A device, the glue B device and the glue C device are respectively used for conveying glue A, glue B and glue C;

the rotary shaft-driven device comprises a rubber head seat, an intermediate body and a transition seat, a motor, a rubber head seat, the intermediate body, the transition seat, a base, a rubber nozzle seat and a rubber nozzle nut which are sequentially connected, the base is in threaded connection with the transition seat, the rubber nozzle nut is in threaded connection with the base and tightly presses the rubber nozzle seat, a small hole is formed in the middle of the rubber nozzle seat, a rubber nozzle is fixed in an inner hole of the rubber nozzle nut, a fixed sleeve, a nut A, an excircle of a fixed seat and an inner hole in the upper end of the rubber head seat are in threaded connection, a shaft-driven piston is installed between the upper end hole of the rubber head seat and the nut A, the excircle on the shaft-driven piston is in movable fit with the inner hole of the fixed seat, a sealing ring B is arranged on the outer ring of the fixed seat, a sealing ring A and a sealing ring C are arranged on the shaft-driven piston, a coupler, a main shaft and a stirring blade are sequentially connected with the motor shaft and penetrate through the inner holes of the shaft-driven piston, the transition seat and the rubber head seat, the main shaft and the stirring blade are in threaded connection, and the outer part of the stirring blade is a spiral bulge; the inner ring of the bearing A is fixed at the upper end of the main shaft by the lock nut, the outer ring of the bearing A is fixed in the upper hole of the shaft-driven piston by the retainer ring, the sleeve A, the baffle ring A, the sealing ring J and the sealing ring R are sleeved at the lower side of the main shaft, the bearing B is positioned in the hole between the intermediate body and the sleeve A, the baffle ring B is arranged at the upper side of the through hole of the transition seat, and the sealing ring R is arranged in the baffle ring B; the motor can drive the stirring blade to rotate; the upper ends of the stirring She Xiaduan and the rubber nozzle base are conical or spherical; the air passage A is communicated with the interface C, and the air passage B is communicated with the interface B;

when compressed air is introduced into the air passage A, the shaft-driven piston drives the stirring blade to integrally move downwards, the stirring blade is in conical or spherical contact with the rubber nozzle base, and the rubber nozzle is closed;

when compressed air is introduced into the air passage B, the shaft-driven piston drives the stirring blade to integrally move upwards, the stirring blade and the rubber nozzle base are separated in a conical or spherical manner, and the rubber nozzle is opened;

the glue A or the glue B and the glue C continuously enter the opening A or the opening B and the opening C respectively, the motor drives the stirring blade to continuously rotate, the glue A or the glue B and the glue C are uniformly mixed, flow out of the glue coating nozzle, are coated on a workpiece and start to react and solidify;

the axial motion structure is that the glue coating nozzle is closed or opened by using an axial motion piston and stirring She Zhouxiang to move, and the rotary axial motion is that the stirring blade can rotate and can axially move.

The invention has the beneficial effects that:

the invention is suitable for gluing two kinds of double-component glue, the two kinds of glue are automatically switched, the pipelines do not need to be replaced and cleaned, one set of gluing head has two sets of functions, and the equipment investment is reduced. The glue spreading head can be opened or closed accurately, glue is not easy to drip, the service life is prolonged, the working efficiency is improved, a good mixing effect is reflected, and the glue spreading head is used for double-component glue spreading, especially double-component polyurethane glue spreading.

Drawings

FIG. 1 is a schematic three-dimensional structure of a three-component applicator head of the present invention.

Fig. 2 is a schematic two-dimensional structure of a three-component applicator head of the present invention.

Fig. 3 is a left side view of fig. 2.

Fig. 4 is a rear view of fig. 1.

FIG. 5 is a cross-sectional view of the centerline of the purge valve of FIG. 1 taken in a plane with the centerline of the spindle.

Detailed Description

In order that those skilled in the art will understand the present application, the invention will be further described with reference to the drawings and detailed description.

The first embodiment is as follows: as shown in fig. 1-5, the three-component gluing head is of an axial-motion structure, and conveys three components of glue in one gluing head respectively to glue two components of glue A and glue B respectively, and is particularly used for gluing two components of polyurethane; the method is characterized in that: the glue coating head comprises a rotary shaft moving device, a glue A device 2, a glue B device 3, a glue C device 1,A glue device 2, a glue B device 3 and a glue C device 1 which are respectively used for conveying glue A, glue B and glue C;

the rotary shaft moving device comprises a rubber head seat 8, an intermediate body 59 and a transition seat 49, a motor 9, a rubber head seat 8, an intermediate body 59, a transition seat 49, a base 85, a rubber nozzle seat 26 and a rubber nozzle nut 52 are sequentially connected, the base 85 is in threaded connection with the transition seat 49, the rubber nozzle nut 52 is in threaded connection with the base 85 and tightly presses the rubber nozzle seat 26, a small hole is formed in the middle of the rubber nozzle seat 26, a rubber nozzle 53 is fixed in an inner hole of the rubber nozzle nut 52, a fixing sleeve 16, a nut A33 and an outer circle of a fixing seat 23 are in threaded connection with an inner hole in the upper end of the rubber head seat 8, a shaft moving piston 22 is installed between an upper end hole of the rubber head seat 8 and the nut A33, the upper outer circle of the shaft moving piston 22 is in movable fit with an inner hole of the fixing seat 23, a sealing ring B24 is arranged on the outer ring of the fixing seat 23, a sealing ring A19 and a sealing ring C25 are arranged on the shaft moving piston 22, a coupling 13, a main shaft 27 and a stirring blade 86 are sequentially connected with the motor 9 shaft, the shaft moving piston 22 penetrates through the intermediate body 59, the intermediate body 59 and the transition seat 49, the transition seat 8 and the inner hole of the stirring blade 86, and the outer part of the stirring blade 86 is discontinuous in spiral protrusion; the inner ring of the bearing A18 is fixed at the upper end of the main shaft 27 by the lock nut 17, the outer ring of the bearing A18 is fixed in the upper hole of the axial piston 22 by the retaining ring 105, the sleeve A67, the baffle ring A68, the sealing ring J69 and the sealing ring R81 are sleeved at the lower side of the main shaft 27, the bearing B60 is positioned in the hole between the intermediate body 59 and the sleeve A67, the baffle ring B80 is arranged at the upper side of the through hole of the transition seat 49, the sealing ring R81 is arranged in the baffle ring B80, and the baffle ring B80 and the transition seat 49 can be integrally arranged; the motor 9 can drive the stirring blade 86 to rotate; the lower end of the stirring blade 86 and the upper end of the rubber nozzle base 26 are conical or spherical; airway A106 is communicated with interface C79, airway B107 is communicated with interface B78; the fixed mount 10 is fixedly connected with the rubber head base 8 and is used for being connected with rubber coating equipment;

when compressed air is introduced into the air passage A106, the shaft-driven piston 22 drives the stirring blade 86 to integrally move downwards, the stirring blade 86 and the glue nozzle seat 26 are in conical or spherical contact, and the glue nozzle 53 is closed;

when compressed air is introduced into the air passage B107, the shaft-driven piston 22 drives the stirring blade 86 to integrally move upwards, the stirring blade 86 and the glue nozzle seat 26 are separated in a conical or spherical manner, and the glue nozzle 53 is opened;

the glue A or the glue B and the glue C continuously enter the opening D51 or the opening E65 and the inlet C97 respectively, the motor 9 drives the stirring blade 86 to continuously rotate, the glue A or the glue B and the glue C are uniformly mixed, flow out from the glue coating nozzle 53, are coated on a workpiece and start to react and solidify;

the axial motion structure is that the gluing nozzle 53 is closed or opened by utilizing the axial motion of the axial motion piston 22 and the stirring blade 86, and the rotation axial motion is that the stirring blade 86 can rotate and can move axially.

The transition seat 49, the glue nozzle seat 26, and the glue nozzle nut 52 are provided separately for ease of replacement and cost savings, and the components may be combined in one or two pieces, as will be apparent.

Further, the glue device a 2 is located on the left side of the glue base 8, and as shown in fig. 2, includes a first glue valve, a first air valve, a valve seat 43, a connector 56, and a glue base a 21, the valve seat 43 and the connector 56 are sequentially fixed on the left side of the glue base 8, the glue base a 21 is fixed on the upper end of the valve seat 43, and the glue inlet a7 and the glue outlet a 20 are fixed on the glue base a 21;

the glue device A2, the glue device B3 and the glue device C1 have the same structure and function, but the glue nozzle B48, the glue nozzle C54, the glue nozzle D96, the valve needle B47, the valve needle C61 and the valve needle D95 have different sizes, and the glue nozzle A, the glue nozzle B and the glue nozzle C are suitable for conveying, for example, the proportion of the glue C to the glue A and the glue B can be 1: 1 or 1: 0.5, and when the glue C is less, the glue nozzle D96 and the valve needle D95 can be selected to be small, so that different proportions can be met. The arrangement has good universality and interchangeability, and the parts are convenient to replace and adjust the proportion.

The first rubber valve comprises a piston A32, a guide seat 37, a plug A35, a spring A30, a piston A32, a valve needle A31 and a rubber nozzle A39 which are concentrically and sequentially connected, a flange 28 and the piston A32 are positioned in an upper hole on the left side of a connecting body 56, an inner hole of the plug A35 is in threaded connection with an inner hole of the flange 28, a sealing ring G58 is arranged on the plug A35, the valve needle A31 is in threaded connection with the piston A32, a sealing ring E38 and a sealing ring D34 are arranged on the piston A32, a pressing cover 36 and the guide seat 37 are arranged in a through hole in the upper part between a valve seat 43 and the connecting body 56, a shaft sleeve 29 and a sealing ring X108 are fixed in a hole between the guide seat 37 and the valve needle A31, a sealing ring H62 is arranged on the end face of the guide seat 37, and the valve needle A31 is in conical or spherical contact with the rubber nozzle A39; the spring A30 and/or compressed air push the piston A32 and the valve needle A31 to the glue nozzle A39, and the glue nozzle A39 is closed; the glue A inlet 7 and the glue A hole 42 are communicated with the cavity A50, and the glue A enters the glue A hole 42 and the cavity A50 through the glue A inlet 7;

the first air valve is used for opening or closing the glue A, the structure of the first air valve is similar to that of the first glue valve, the first air valve comprises a piston A32, a guide seat 37, a plug A35, a spring A30, a piston A32, a valve needle B47 and a glue nozzle B48 are concentrically and sequentially connected, a sealing ring K64 is arranged on the end face of the glue nozzle B48, a flange 28 and the piston A32 are positioned in a lower hole in the left side of a connecting body 56, the plug A35 is in threaded connection with an inner hole of the flange 28, a sealing ring G58 is arranged on the plug A35, the valve needle B47 is in threaded connection with the piston A32, a sealing ring E38 and a sealing ring D34 are arranged on the piston A32, a gland 36 and a guide seat 37 are arranged in a circular hole in the lower portion between the valve seat 43 and the connecting body 56, a shaft sleeve 29 and a sealing ring X108 are fixed in a hole between the guide seat 37 and the valve needle B47, a sealing ring H62 is arranged on the end face of the guide seat 37, and the valve needle B47 is in conical or spherical contact with the glue nozzle B48; the spring A30 and/or compressed air push the piston A32 and the valve needle B47 to the glue nozzle B48, and the glue nozzle B48 is closed; when compressed air is introduced into the hole 1109, the valve needle B47 and the glue nozzle B48 are separated in a conical or spherical mode, the glue nozzle B48 is opened, and glue A in the cavity A50 enters the opening D51; when compressed air is introduced into the hole N111, the rubber nozzle B48 is closed;

the glue device B3 is located on the right side of the glue base 8, and as shown in fig. 2, includes a second glue valve, a second air valve, a valve seat 43, a connector 56, and a glue base B14, the valve seat 43 and the connector 56 are sequentially fixed on the right side of the glue base 8, the glue base B14 is fixed on the upper end of the valve seat 43, and the glue inlet B11 and the glue return port B12 are fixed on the glue base B14;

the second rubber valve comprises a piston A32, a guide seat 37, a plug A35, a spring A30, a piston A32, a valve needle A31 and a rubber nozzle A39 which are concentrically and sequentially connected, a flange 28 and the piston A32 are positioned in a hole at the upper part of the right side of a connecting body 56, an inner hole of the plug A35 is in threaded connection with an inner hole of the flange 28, a sealing ring G58 is arranged on the plug A35, the valve needle A31 is in threaded connection with the piston A32, a sealing ring E38 and a sealing ring D34 are arranged on the piston A32, a pressing cover 36 and the guide seat 37 are arranged in a through hole at the upper part between a valve seat 43 and the connecting body 56, a shaft sleeve 29 and a sealing ring X108 are fixed in the hole between the guide seat 37 and the valve needle A31, a sealing ring H62 is arranged on the end face of the guide seat 37, and the valve needle A31 is in conical or spherical contact with the rubber nozzle A39; the spring A30 and/or compressed air (the hole E76 is filled) push the piston A32 and the valve needle A31 to the glue nozzle A39, and the glue nozzle A39 is closed; the B glue inlet 11 and the B glue hole 112 are communicated with the B cavity 63, and the B glue enters the B glue hole 112 and the B cavity 63 through the B glue inlet 11;

the second air valve is used for opening or closing glue B, the structure of the second air valve is similar to that of the first glue valve, the second air valve comprises a piston A32, a guide seat 37, a plug A35, a spring A30, a piston A32, a valve needle C61 and a glue nozzle C54 which are concentrically and sequentially connected, a sealing ring K64 is arranged on the end face of the glue nozzle C54, a flange 28 and the piston A32 are positioned in a lower hole on the left side of a connecting body 56, the plug A35 is in threaded connection with an inner hole of the flange 28, a sealing ring G58 is arranged on the plug A35, the valve needle C61 is in threaded connection with the piston A32, a sealing ring E38 and a sealing ring D34 are arranged on the piston A32, a gland 36 and a guide seat 37 are arranged in a round hole on the lower portion between a valve seat 43 and the connecting body 56, a shaft sleeve 29 and a sealing ring X108 are fixed in a hole between the guide seat 37 and the valve needle C61, a sealing ring H62 is arranged on the end face of the guide seat 37, and the valve needle C61 is in conical or spherical contact with the glue nozzle C54; the spring A30 and/or compressed air push the piston A32 and the valve needle C61 to the glue nozzle C54, and the glue nozzle C54 is closed; when compressed air is introduced into the hole H55, the valve needle C61 and the rubber nozzle C54 are separated in a conical or spherical mode, the rubber nozzle C54 is opened, and the rubber B in the cavity B63 enters the opening E65; when the hole F77 is filled with compressed air, the glue nozzle C54 is closed.

The gluing head comprises a rotary shaft moving device, a gluing device A2, a gluing device B3 and a gluing device C1, but if the gluing device C1 does not convey glue or does not comprise the gluing device C1, the gluing head can be used for gluing two components. If the glue device C1 and relevant characteristics are not included, the glue coating head is a two-component glue coating head, the glue device A2 conveys glue A, and the glue device B3 conveys curing agents.

Further, the glue-dispensing device 1 is located on the right side of the glue base 8, and as shown in fig. 3, includes a third glue valve, a third air valve, a valve seat 43, a connector 56, and a glue-dispensing seat 15, where the valve seat 43 and the connector 56 are sequentially fixed on the right side of the glue base 8, the glue-dispensing seat 15 is fixed on the upper end of the valve seat 43, and the glue-dispensing inlet 4 and the glue-dispensing return 5 are fixed on the glue-dispensing seat 15;

the third rubber valve comprises a piston A32, a guide seat 37, a plug A35, a spring A30, a piston A32, a valve needle A31 and a rubber nozzle A39 which are concentrically and sequentially connected, a flange 28 and the piston A32 are positioned in a hole at the upper part of the right side of a connecting body 56, an inner hole of the plug A35 is in threaded connection with an inner hole of the flange 28, a sealing ring 658 is arranged on the plug A35, the valve needle A31 is in threaded connection with the piston A32, a sealing ring E38 and a sealing ring D34 are arranged on the piston A32, a pressing cover 36 and the guide seat 37 are arranged in a through hole at the upper part between a valve seat 43 and the connecting body 56, a shaft sleeve 29 and a sealing ring X108 are fixed in the hole between the guide seat 37 and the valve needle A31, a sealing ring H62 is arranged on the end surface of the guide seat 37, and the valve needle A31 is in conical or spherical contact with the rubber nozzle A39; the spring A30 and/or compressed air (the air port A71 is filled) push the piston A32 and the valve needle A31 to the glue nozzle A39, and the glue nozzle A39 is closed; the glue inlet 4C and the glue hole 113C are communicated with the cavity D114, and the glue C enters the glue hole 113C and the cavity D114 through the glue inlet 4C;

the third air valve is used for opening or closing glue C, the structure of the third air valve is similar to that of the first glue valve, the third air valve comprises a piston A32, a guide seat 37, a plug A35, a spring A30, a piston A32, a valve needle D95 and a glue nozzle D96 which are concentrically and sequentially connected, a sealing ring K64 is arranged on the end face of the glue nozzle D96, a flange 28 and the piston A32 are positioned in a lower hole on the left side of a connecting body 56, the plug A35 is in threaded connection with an inner hole of the flange 28, a sealing ring G58 is arranged on the plug A35, the valve needle D95 is in threaded connection with the piston A32, a sealing ring E38 and a sealing ring D34 are arranged on the piston A32, a gland 36 and a guide seat 37 are arranged in a round hole on the lower portion between a valve seat 43 and the connecting body 56, a shaft sleeve 29 and a sealing ring X108 are fixed in a hole between the guide seat 37 and the valve needle D95, a sealing ring H62 is arranged on the end face of the guide seat 37, and the valve needle D95 is in conical or spherical contact with the glue nozzle D96; the spring A30 and/or compressed air push the piston A32 and the valve needle D95 to the glue nozzle D96, and the glue nozzle D96 is closed; when compressed air is introduced into the hole D74, the valve needle D95 and the rubber nozzle D96 are separated in a conical or spherical mode, the rubber nozzle D96 is opened, and the rubber C in the cavity D114 enters the inlet C97; when the air port B72 is filled with compressed air, the glue nozzle D96 is closed.

Further, the three-component gluing head further comprises a glue return channel A, a glue return channel B and a glue return channel C; the arrangement of the return channel reduces and improves the pressure of the glue supply system, and keeps the stable characteristics of glue A, glue B and glue C;

the glue return channel A comprises a glue return hole A40, the glue return hole A40 is positioned on the right side of a glue nozzle A39 in the glue device A2 with reference to fig. 1 and 2,A, and the glue return hole A40 is communicated with the glue outlet A20; when the gluing is stopped, compressed air is introduced into the hole N111, and the glue nozzle B48 is closed; compressed air is introduced into the hole M110, the valve needle A31 moves leftwards, the glue nozzle A39 is opened, and glue A returns to the glue supply device A through the glue return hole A40 and the glue outlet A20;

the glue return channel B comprises a glue return hole 57B, and referring to fig. 1 and 2,B, the glue return hole 57B is positioned on the left side of a glue nozzle A39 in the glue device B3, and the glue return hole 57B is communicated with the glue return port B12; when the gluing is stopped, compressed air is introduced into the hole F77, and the gluing nozzle C54 is closed; compressed air is introduced into the hole G103, the valve needle A31 moves rightwards, the glue nozzle A39 is opened, and the glue B returns to the glue supply device for glue B through the glue B return hole 57 and the glue B return port 12;

the C glue return channel comprises a C glue return hole 89, the C glue return hole 89 is positioned on the left side of a glue nozzle A39 in the C glue device 1 with reference to fig. 1 and 3,C, and the C glue return hole 89 is communicated with the C glue return port 5; when the gluing is stopped, compressed air is introduced into the air port B72, and the glue nozzle D96 is closed; compressed air is introduced into the hole C73, the valve needle A31 moves rightwards, the glue nozzle A39 is opened, and glue C returns to the glue supply device for glue C through the glue return hole 89 and the glue return opening 5 for glue C.

Further, the three-component gluing head further comprises more than one cleaning valve 6, the cleaning valve 6 is arranged on the periphery of the transition seat 49 and close to the upper portion of the stirring blade 86 and comprises a plug B46, a needle valve piston 87 and a valve body 44, the needle valve piston 87 is installed on the valve body 44, a sealing ring S88 and a sealing ring W115 are arranged on the needle valve piston 87, the valve body 44 is provided with a sealing ring F41, the plug B46 provided with a sealing ring Q90 is in threaded connection with the valve body 44, an air nozzle joint 45 is arranged on the plug B46 and is communicated with compressed air, the compressed air is used for closing the cleaning valve 6, and a cleaning agent inlet hole 100 is communicated with the cavity C82; when the cleaning machine needs to be cleaned, compressed air is introduced into the air inlet hole A118, a cleaning agent enters the inlet A116 through the cleaning agent inlet hole 100 and the cavity C82, the motor 9 drives the stirring blade 86 to rotate, the gluing nozzle 53 is opened, and the cleaning agent cleans the stirring blade 86 and the gluing nozzle 53.

Further, the cleaning agent may be a solvent or water.

Further, the three-component gluing head also comprises more than one air valve 94, the air valve 94 and the cleaning valve 6 have the same structural performance, only compressed air is introduced during cleaning, and one air valve is shown in the figure and is arranged around the transition seat 49 and close to the upper part of the stirring blade 86; the air valve comprises a plug B46, a needle valve piston 87 and a valve body 44, wherein the needle valve piston 87 is arranged in the valve body 44, a sealing ring S88 and a sealing ring W115 are arranged on the needle valve piston 87, the valve body 44 is provided with a sealing ring F41, the plug B46 provided with a sealing ring Q90 is in threaded connection with the valve body 44, an air nozzle joint 45 is arranged on the plug B46 and is communicated with compressed air, the compressed air is used for closing an air valve 94, and an air inlet hole 99 is communicated with an E cavity 70; when cleaning is needed, compressed air is introduced into the air inlet B104 and enters the inlet B117 through the air inlet 99 and the E cavity 70; the motor 9 drives the stirring device 86 to rotate, and the gluing nozzle 53 is opened; the compressed air further cleans the stirring blade 86 and the glue applying nozzle 53 and discharges the remaining cleaning agent or the mixture of glue to the outside of the glue applying nozzle 53.

Further, the three-component gluing head further comprises a cooling channel A83 for cooling the transition seat 49 and the base 85, and the cooling channel A83 comprises a cooling inlet hole 101 and a cooling outlet hole 102 which are communicated with each other; the cooling liquid is continuously circulated and introduced into the cooling channel A83; the cooling liquid can be lubricating oil, heat conducting oil, engine oil and water, so that the glue is prevented from being overheated, the gluing quality is improved, and the service life of the gluing head is prolonged.

Further, the three-component gluing head further comprises a cooling channel B66 for cooling the intermediate body 59, wherein the cooling channel B66 comprises a cooling hole A91 and a cooling hole B75 which are communicated; the cooling fluid is continuously circulated into the cooling passage B66.

Further, the motor 9 is a servo motor, a stepping motor or a variable frequency motor.

The two-component adhesive can be polyurethane adhesive, acrylate adhesive, epoxy resin adhesive, organic silica gel, silicone adhesive, polysulfide sealant and the like.

The sealing rings P84, U93, T98, N119, etc. have a sealing function, and have been shown and disclosed in fig. 2, 3 and 5 at corresponding positions, for clarity and completeness, and the arrangement of the sealing rings is conventional, and for the sake of brevity, they are not described in detail.

The second embodiment is as follows: the three-component gluing head is respectively filled with two-component polyurethane A glue and C glue (first glue), the two-component polyurethane A glue and the C glue continuously enter the glue A inlet 7 and the glue C inlet 4, the motor 9 drives the stirring blade 86 to continuously rotate, the polyurethane A glue and the polyurethane C glue are uniformly mixed at the stirring blade 86, and the polyurethane A glue and the polyurethane C glue flow out of the gluing nozzle 53 and are coated on a workpiece and start to react and solidify to form the first polyurethane sealing strip.

Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the three-component gluing head is respectively filled with two-component polyurethane B glue and C glue (B glue), the two-component polyurethane B glue and the C glue continuously enter the B glue inlet 11 and the C glue inlet 4, the motor 9 drives the stirring blade 86 to continuously rotate, the polyurethane B glue and the polyurethane C glue are uniformly mixed at the stirring blade 86, and the polyurethane B glue and the polyurethane C glue flow out of the gluing nozzle 53 and are coated on a workpiece and start to react and solidify to form the B-type polyurethane sealing strip.

Other components and connections are the same as those in the first embodiment.

The fourth concrete implementation mode: the three-component gluing head is respectively introduced with polysulfide sealant A glue and C glue, the polysulfide sealant A glue and the C glue continuously enter the glue A inlet 7 and the glue C inlet 4 respectively, the motor 9 drives the stirring blade 86 to continuously rotate, the polysulfide sealant A glue and the polysulfide sealant C glue are uniformly mixed at the stirring blade 86, and the polysulfide sealant A glue and the polysulfide sealant C glue flow out of the gluing nozzle 53 and are coated on a workpiece and start to react and solidify to form the polysulfide sealing strip.

The other components and the connection relationship are the same as those of the first and second embodiments.

Principle of operation

And (3) starting a glue supply system, respectively conveying the two-component glue A, the two-component glue B and the two-component glue C, and enabling the glue A to enter a glue inlet D51 through a glue inlet 7 of the glue A device 2.

The glue C enters an inlet C97 through a glue C inlet 4 of the glue C device 1;

when the air passage B107 is filled with compressed air, the shaft-driven piston 22 drives the stirring blade 86 to integrally move upwards, and the gluing nozzle 53 is opened.

The glue A and the glue C respectively and continuously enter the opening D51 and the opening C97, the motor 9 drives the stirring blade 86 to continuously rotate, the glue A and the glue C are uniformly mixed, flow out from the glue coating nozzle 53, are coated on a workpiece and start to react and solidify.

When the cleaning is needed, the cleaning valve 6 is automatically opened, the cleaning agent enters the stirring blade 86, the stirring blade 86 rotates to clean the mixing position and discharge the cleaning agent to the outside of the gluing nozzle 53, then the air valve 94 is automatically opened, the compressed air enters the stirring blade 86, and the cleaned residues are discharged to the outside of the gluing nozzle 53, so that the aim of cleaning is fulfilled.

The above embodiments are described to facilitate understanding and application of the invention by those of ordinary skill in the art. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and all the modifications and equivalents that can be made by those skilled in the art based on the teachings of the present invention fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a three components rubber coating head, is the axle moves the structure, is to glue three components and glues and carry in a rubber coating head respectively, realizes the rubber coating of two kinds of two components of A, B glue respectively, characterized by: the glue coating head comprises a rotary shaft moving device, a glue coating device A, a glue coating device B and a glue coating device C, wherein the glue coating device A, the glue coating device B and the glue coating device C are respectively used for conveying glue A, glue B and glue C; the glue mixing device also comprises a port D communicated with the glue device A, a port E communicated with the glue device B and an inlet C communicated with the glue device C;

the rotary shaft-driven device comprises a rubber head seat, an intermediate body and a transition seat, a motor, a rubber head seat, the intermediate body, the transition seat, a base, a rubber nozzle seat and a rubber nozzle nut which are sequentially connected, the base is in threaded connection with the transition seat, the rubber nozzle nut is in threaded connection with the base and tightly presses the rubber nozzle seat, a small hole is formed in the middle of the rubber nozzle seat, a rubber coating nozzle is fixed in an inner hole of the rubber nozzle nut, a fixed sleeve, a nut A, the outer circle of a fixed seat and the upper end inner hole of the rubber head seat are in threaded connection, a shaft-driven piston is installed between the upper end hole of the rubber head seat and the nut A, the outer circle of the shaft-driven piston is in movable fit with the inner hole of the fixed seat, a sealing ring B is arranged on the outer ring of the fixed seat, a sealing ring A and a sealing ring C are arranged on the shaft-driven piston, a coupler, a main shaft and a stirring blade are sequentially connected with the motor shaft and penetrate through the inner holes of the shaft-driven piston, the intermediate body, the transition seat and the rubber head seat, the main shaft is in threaded connection with the stirring blade, and the outer part of the stirring blade, and the spiral protrusion is discontinuous in the outer part of the stirring blade; the inner ring of the bearing A is fixed at the upper end of the main shaft by the lock nut, the outer ring of the bearing A is fixed in the upper hole of the shaft-driven piston by the retainer ring, the sleeve A, the baffle ring A, the sealing ring J and the sealing ring R are sleeved at the lower side of the main shaft, the bearing B is positioned in the hole between the intermediate body and the sleeve A, the baffle ring B is arranged at the upper side of the through hole of the transition seat, and the sealing ring R is arranged in the baffle ring B; the motor can drive the stirring blade to rotate; the stirring She Xiaduan and the upper end of the rubber nozzle base are in a conical shape or a spherical shape; the air passage A is communicated with the interface C, and the air passage B is communicated with the interface B;

when compressed air is introduced into the air passage A, the shaft-driven piston drives the stirring blade to integrally move downwards, the stirring blade is contacted with the rubber nozzle base, and the rubber nozzle is closed;

when compressed air is introduced into the air passage B, the shaft-driven piston drives the stirring blade to integrally move upwards, the stirring blade is separated from the rubber nozzle base, and the rubber nozzle is opened;

the glue A or the glue B and the glue C continuously enter the opening D or the opening E and the opening C respectively, the motor drives the stirring blade to continuously rotate, the glue A or the glue B and the glue C are uniformly mixed, flow out of the glue coating nozzle, are coated on a workpiece and start to react and solidify;

2. The three-component applicator head of claim 1, wherein: the glue A device is positioned on the left side of the glue base and comprises a first glue valve, a first air valve, a valve seat, a connector and a glue A base, wherein the valve seat and the connector are sequentially fixed on the left side of the glue base;

the first rubber valve comprises a piston A and a guide seat, an end cap A, a spring A, a piston A, a valve needle A and a rubber nozzle A are concentrically and sequentially connected, a flange and the piston A are positioned in a hole at the upper part of the left side of a connecting body, the end cap A is in threaded connection with an inner hole of the flange, a sealing ring G is arranged on the end cap A, the valve needle A is in threaded connection with the piston A, a sealing ring E and a sealing ring D are arranged on the piston A, a pressing cover and the guide seat are arranged in through holes at the upper parts between a valve seat and the connecting body, a shaft sleeve and a sealing ring X are fixed in the holes between the guide seat and the valve needle A, a sealing ring H is arranged on the end face of the guide seat, and the valve needle A is in conical or spherical contact with the rubber nozzle A; the piston A and the valve needle A are pushed to the rubber nozzle A by the spring A and/or compressed air, and the rubber nozzle A is closed; the glue inlet A and the glue hole A are communicated with the cavity A, and the glue A enters the glue hole A and the cavity A through the glue inlet A;

the first air valve is used for opening or closing glue A and comprises a piston A and a guide seat, wherein an end cap A, a spring A, the piston A, a valve needle B and a glue nozzle B are concentrically and sequentially connected, a sealing ring K is arranged on the end face of the glue nozzle B, a flange and the piston A are positioned in a hole at the lower part of the left side of a connecting body, the end cap A is in threaded connection with an inner hole of the flange, a sealing ring G is arranged on the end cap A, the valve needle B is in threaded connection with the piston A, a sealing ring E and a sealing ring D are arranged on the piston A, a pressing cover and the guide seat are arranged in a round hole at the lower part between a valve seat and the connecting body, a shaft sleeve and a sealing ring X are fixed in a hole between the guide seat and the valve needle B, a sealing ring H is arranged on the end face of the guide seat, and the valve needle B is in conical or spherical contact with the glue nozzle B; the spring A and/or compressed air push the piston A and the valve needle B to the glue nozzle B, and the glue nozzle B is closed; when compressed air is introduced into the hole I, the glue nozzle B is opened, and the glue A in the cavity A enters the opening D;

the glue B device is positioned on the right side of the glue base and comprises a second glue valve, a second air valve, a valve seat, a connector and a glue B base, the valve seat and the connector are sequentially fixed on the right side of the glue base, the glue B base is fixed at the upper end of the valve seat, and a glue B inlet and a glue B return opening are fixed on the glue B base;

the second rubber valve comprises a piston A and a guide seat, an end cap A, a spring A, a piston A, a valve needle A and a rubber nozzle A are concentrically and sequentially connected, a flange and the piston A are positioned in a hole in the upper part of the right side of a connecting body, the end cap A is in threaded connection with an inner hole of the flange, a sealing ring G is arranged on the end cap A, the valve needle A is in threaded connection with the piston A, a sealing ring E and a sealing ring D are arranged on the piston A, a pressing cover and the guide seat are arranged in through holes in the upper parts between the valve seat and the connecting body, a shaft sleeve and a sealing ring X are fixed in the holes between the guide seat and the valve needle A, a sealing ring H is arranged on the end face of the guide seat, and the valve needle A is in conical or spherical contact with the rubber nozzle A; the piston A and the valve needle A are pushed to the rubber nozzle A by the spring A and/or compressed air, and the rubber nozzle A is closed; the glue B inlet and the glue B hole are communicated with the cavity B, and the glue B enters the glue B hole and the cavity B through the glue B inlet;

the second air valve is used for opening or closing glue B and comprises a piston A and a guide seat, an end cap A, a spring A, the piston A, a valve needle C and a glue nozzle C are concentrically and sequentially connected, a sealing ring K is arranged on the end face of the glue nozzle C, a flange and the piston A are positioned in a hole at the lower part of the left side of a connecting body, the end cap A is in threaded connection with an inner hole of the flange, a sealing ring G is arranged on the end cap A, the valve needle C is in threaded connection with the piston A, a sealing ring E and a sealing ring D are arranged on the piston A, a pressing cover and the guide seat are arranged in a round hole at the lower part between a valve seat and the connecting body, a shaft sleeve and a sealing ring X are fixed in a hole between the guide seat and the valve needle C, a sealing ring H is arranged on the end face of the guide seat, and the valve needle C is in conical or spherical contact with the glue nozzle C; the spring A and/or compressed air push the piston A and the valve needle C to the glue nozzle C, and the glue nozzle C is closed; when compressed air is introduced into the hole H, the glue nozzle C is opened, and the glue B in the cavity B enters the opening E.

3. The three-component applicator head of claim 1, wherein: the glue mixing device is positioned on the right side of the glue base and comprises a third glue valve, a third air valve, a valve seat, a connecting body and a glue mixing seat C, the valve seat and the connecting body are sequentially fixed on the right side of the glue base, the glue mixing seat C is fixed at the upper end of the valve seat, and a glue mixing inlet and a glue mixing return are fixed on the glue mixing seat C;

the third rubber valve comprises a piston A and a guide seat, an end cap A, a spring A, a piston A, a valve needle A and a rubber nozzle A are concentrically and sequentially connected, a flange and the piston A are positioned in a hole in the upper part of the right side of a connecting body, the end cap A is in threaded connection with an inner hole of the flange, a sealing ring G is arranged on the end cap A, the valve needle A is in threaded connection with the piston A, a sealing ring E and a sealing ring D are arranged on the piston A, a pressing cover and the guide seat are arranged in through holes in the upper parts between the valve seat and the connecting body, a shaft sleeve and a sealing ring X are fixed in the holes between the guide seat and the valve needle A, a sealing ring H is arranged on the end face of the guide seat, and the valve needle A is in conical or spherical contact with the rubber nozzle A; the piston A and the valve needle A are pushed to the rubber nozzle A by the spring A and/or compressed air, and the rubber nozzle A is closed; the glue inlet C and the glue hole C are communicated with the cavity D, and the glue C enters the glue hole C and the cavity D through the glue inlet C;

the third air valve is used for opening or closing glue C and comprises a piston A and a guide seat, an end cap A, a spring A, the piston A, a valve needle D and a glue nozzle D are concentrically and sequentially connected, a sealing ring K is arranged on the end face of the glue nozzle D, a flange and the piston A are positioned in a lower hole in the left side of a connecting body, the end cap A is in threaded connection with an inner hole of the flange, a sealing ring G is arranged on the end cap A, the valve needle D is in threaded connection with the piston A, a sealing ring E and a sealing ring D are arranged on the piston A, a pressing cover and the guide seat are arranged in a round hole in the lower portion between a valve seat and the connecting body, a shaft sleeve and a sealing ring X are fixed in a hole between the guide seat and the valve needle D, a sealing ring H is arranged on the end face of the guide seat, and the valve needle D is in conical or spherical contact with the glue nozzle D; the piston A and the valve needle D are pushed to the rubber nozzle D by the spring A and/or compressed air, and the rubber nozzle D is closed; when the hole D is filled with compressed air, the rubber nozzle D is opened, and the rubber C in the cavity D enters the inlet C.

4. The three-component applicator head of claim 1, wherein: the glue feeding device also comprises a glue return channel A, a glue return channel B and a glue return channel C;

the glue return channel A comprises a glue return hole A, the glue return hole A is positioned on the right side of a glue nozzle A in the glue device A, and the glue return hole A is communicated with a glue outlet A; when the gluing is stopped, compressed air is introduced into the hole N, and the glue nozzle B is closed; compressed air is introduced into the hole M, the valve needle A moves leftwards, the hole of the glue nozzle A is opened, and the glue A returns to the glue supply device A through the glue return hole A and the glue outlet A;

the glue return channel B comprises a glue return hole B, the glue return hole B is positioned on the left side of a glue nozzle A in the glue device B, and the glue return hole B is communicated with a glue return opening B; when the gluing is stopped, compressed air is introduced into the hole F, and the glue nozzle C is closed; compressed air is introduced into the hole G, the valve needle A moves rightwards, the glue nozzle A is opened, and glue B returns to the glue supply device for glue B through the glue return hole B and the glue return opening B;

the glue return channel C comprises a glue return hole C, the glue return hole C is positioned on the left side of a glue nozzle A in the glue device C, and the glue return hole C is communicated with a glue return opening C; when the gluing is stopped, compressed air is introduced into the air port B, and the glue nozzle D is closed; compressed air is introduced into the hole C, the valve needle A moves rightwards, the glue nozzle A is opened, and glue C returns to the glue supply device for glue C through the glue return hole C and the glue return opening C.

5. The three-component applicator head of claim 1, wherein: the cleaning device comprises a transition seat, a needle valve piston and a valve body, wherein the transition seat is arranged on the lower portion of the stirring blade, the needle valve piston is arranged on the valve body, a sealing ring S and a sealing ring W are arranged on the needle valve piston, the valve body is provided with a sealing ring F, the plug B provided with a sealing ring Q is in threaded connection with the valve body, an air nozzle joint is arranged on the plug B and communicated with compressed air, and a cleaning agent inlet hole is communicated with a cavity C; when needing to wash, inlet port A lets in compressed air, and the cleaner enters into import A through cleaner inlet hole, C chamber, and the motor drives the stirring leaf and rotates, and the rubber coating mouth is opened, and the cleaner will stir leaf and rubber coating mouth sanitization.

6. The three-component applicator head of claim 5, wherein: the cleaning agent is a solvent or water.

7. The three-component applicator head of claim 1, wherein: also comprises more than one air valve which is arranged around the transition seat and close to the stirring She Shangbu; the air valve comprises a plug B, a needle valve piston and a valve body, wherein the needle valve piston is arranged in the valve body, a sealing ring S and a sealing ring W are arranged on the needle valve piston, the valve body is provided with a sealing ring F, the plug B provided with a sealing ring Q is in threaded connection with the valve body, an air nozzle joint is arranged on the plug B and is communicated with compressed air, and an air inlet hole is communicated with an E cavity; when cleaning is needed, compressed air is introduced into the air inlet B and enters the inlet B through the air inlet hole and the cavity E; the motor drives the stirring to rotate, and the gluing nozzle is opened; the stirring blade and the gluing nozzle are further cleaned by compressed air, and the residual cleaning agent or the glue mixture is discharged to the outside of the gluing nozzle.

8. The three-component applicator head of claim 1, wherein: the cooling channel A is used for cooling the transition seat and the base and comprises a cooling inlet hole and a cooling outlet hole which are communicated; the cooling liquid is continuously circulated and introduced into the cooling channel.

9. The three-component applicator head of claim 1, wherein: the cooling device also comprises a cooling channel B for cooling the intermediate body, wherein the cooling channel B comprises a cooling hole A and a cooling hole B which are communicated with each other; the cooling liquid is continuously circulated and introduced into the cooling passage B.

10. The three-component applicator head of claim 1, wherein: the motor is a servo motor or a stepping motor or a variable frequency motor.