Hot melt adhesive injection valve assembly

Abstract

The utility model relates to the technical field of injection valves, in particular to a hot melt adhesive injection valve assembly which comprises an air cylinder control valve, an adhesive inlet assembly, an electromagnetic valve, a limiting assembly and a heating assembly, the lower end of the air cylinder control valve is connected with the limiting assembly, the lower end of the limiting assembly is connected with the heating assembly, one side of the air cylinder control valve is connected with the electromagnetic valve, and the other side of the air cylinder control valve is connected with the adhesive inlet assembly. The side, away from the air cylinder control valve, of the electromagnetic valve is connected with a glue inlet assembly, a nozzle is arranged at the lower end of the air cylinder control valve, the glue inlet assembly is composed of a glue barrel, a first limiting protrusion, an upper cover, a glue inlet connector, a heating sleeve, a limiting groove and a first electric connector, and the limiting assembly is composed of a first limiting seat, a glue inlet pipe and a second limiting seat. The heating assembly is composed of an upper connecting base, a heating opening, a lower connecting base, a limiting strip, a heating pipe, a first inserting groove and a second inserting groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection valve technical field, concretely is a hot melt adhesive injection valve assembly. BACKGROUND

[0002] Hot melt adhesive is easy to appear glue liquid residue at the nozzle when spraying, and solidification blockage is easy to occur.

[0003] Therefore, it is necessary to design a hot melt adhesive injection valve assembly to solve the problems in the above background technology. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problems in the prior art and provides a hot melt adhesive injection valve assembly.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A hot melt adhesive injection valve assembly, including cylinder control valve, glue feeding assembly, electromagnetic valve, limit component and heating assembly, the lower end of cylinder control valve is connected with limit component, the lower end of limit component is connected with heating assembly, one side of cylinder control valve is connected with electromagnetic valve, the side away from cylinder control valve of electromagnetic valve is connected with glue feeding assembly;

[0007] The lower end of cylinder control valve is equipped with the nozzle, one side of the upper portion of cylinder control valve is equipped with the air valve, the upper end of cylinder control valve is equipped with the stroke adjusting knob, and the upper portion of cylinder control valve is equipped with the mounting plate.

[0008] The glue feeding assembly is composed of a glue cylinder, first limiting protrusions, an upper cover, a glue feeding interface, a heating sleeve, limiting grooves and a first electrical interface, and a plurality of first limiting protrusions are arranged on the outer portion of the glue cylinder, the upper end of the glue cylinder is connected with the upper cover, the upper end of the upper cover is provided with the glue feeding interface, the outer portion of the glue cylinder is connected with the heating sleeve, a first electrical interface is arranged on one side of the upper portion of the outer portion of the heating sleeve, and a plurality of limiting grooves are arranged on the outer portion of the heating sleeve.

[0009] A plurality of mounting racks are connected to the front and back of the electromagnetic valve, a second electrical interface is arranged on the upper end of the electromagnetic valve, a limiting sleeve is arranged on the side away from the cylinder control valve of the electromagnetic valve, and a second limiting protrusion is arranged in the limiting sleeve.

[0010] The limit component is composed of a first limiting seat, a glue feeding pipe and a second limiting seat, and the glue feeding pipe is connected between the first limiting seat and the second limiting seat.

[0011] The heating assembly is composed of an upper connecting seat, a heating port, a lower connecting seat, a limiting strip, a heating pipe, a first plug-in slot and a second plug-in slot, a heating pipe is arranged between the upper connecting seat and the lower connecting seat, the upper end of the heating pipe is provided with the heating port, the upper end of the upper connecting seat is provided with the first plug-in slot, a plurality of groups of limiting strips are arranged on one side of the upper connecting seat, and the upper end of the lower connecting seat is provided with the second plug-in slot near the edge.

[0012] As a preferred scheme of the utility model, the upper part of the air cylinder control valve is provided with an air cylinder, and the lower part of the air cylinder control valve is provided with a glue cavity.

[0013] As a preferred scheme of the utility model, the glue cylinder and the heating sleeve are connected through sleeve connection.

[0014] As a preferred scheme of the utility model, the electromagnetic valve is connected with the air cylinder control valve through the mounting frame, and the limiting sleeve and the heating sleeve are connected through sleeve connection.

[0015] As a preferred scheme of the utility model, the first limiting seat, the second limiting seat and the glue feeding pipe are connected through sleeve connection, and the glue feeding pipe and the nozzle and the glue cylinder are connected through screw tightening.

[0016] As a preferred scheme of the utility model, the first limiting seat, the second limiting seat and the first plug-in slot are connected through sleeve connection and are locked through bolts.

[0017] As a preferred scheme of the utility model, the upper connecting seat and the lower connecting seat are connected through the limiting strip and the second plug-in slot and are locked through bolts.

[0018] In summary, the technical effects and advantages of the utility model are as follows: the hot melt adhesive injection valve assembly is used, the air cylinder is pushed downward along the glue cavity, the glue liquid in the nozzle is sprayed out, the glue output is adjusted by controlling the stroke of the air cylinder, the glue liquid is stored in the glue cylinder during use, then the glue liquid enters the nozzle through the glue feeding pipe, the heating sleeve is arranged outside the glue cylinder, the heating assembly is arranged outside the nozzle, the glue liquid at the nozzle can be kept in a liquid state, the nozzle is prevented from being blocked, and the smoothness of glue liquid injection is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the overall structural drawing of the utility model;

[0020] Figure 2 It is the air cylinder control valve structure drawing of the utility model;

[0021] Figure 3 It is the glue feeding assembly structure drawing of the utility model;

[0022] Figure 4 It is the electromagnetic valve structure drawing of the utility model;

[0023] Figure 5 Figure is the structure diagram of the limiting assembly of the utility model;

[0024] Figure 6 Figure is the split structure diagram of the limiting assembly of the utility model;

[0025] Figure 7 Figure is the structure diagram of the heating assembly of the utility model;

[0026] Figure 8 Figure is the split structure diagram of the heating assembly of the utility model.

[0027] In the figure: 1, cylinder control valve;101, nozzle;102, air valve;103, stroke adjusting knob;104, mounting plate;2, glue feeding assembly;201, glue cylinder;202, first limiting protrusion;203, upper cover;204, glue feeding interface;205, heating sleeve;206, limiting groove;207, first electric interface;3, electromagnetic valve;301, second electric interface;302, mounting frame;303, second limiting protrusion;304, limiting sleeve;4, limiting assembly;401, first limiting seat;402, glue feeding pipe;403, second limiting seat;5, heating assembly;501, upper connecting seat;502, heating port;503, lower connecting seat;504, limiting strip;505, heating pipe;506, first plug-in groove;507, second plug-in groove. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] Reference Figures 1-8The utility model provides a hot melt adhesive injection valve assembly, including cylinder control valve 1, glue feeding assembly 2, solenoid valve 3, limiting component 4 and heating assembly 5, cylinder control valve 1 lower end is connected with limiting component 4, limiting component 4 lower end is connected with heating assembly 5, one side of cylinder control valve 1 is connected with solenoid valve 3, one side of solenoid valve 3 away from cylinder control valve 1 is connected with glue feeding assembly 2, cylinder control valve 1 lower end is equipped with nozzle 101, one side of cylinder control valve 1 upper portion is equipped with air valve 102, cylinder control valve 1 upper end is equipped with stroke adjusting knob 103, and cylinder control valve 1 upper portion is equipped with mounting plate 104, glue feeding assembly 2 is by glue cylinder 201, first limiting protrusion 202, upper cover 203, glue feeding interface 204, heating sleeve 205, limiting groove 206 and first electric interface 207 are formed, and glue cylinder 201 outside is equipped with a plurality of first limiting protrusion 202, glue cylinder 201 upper end is connected with upper cover 203, and upper cover 203 upper end is equipped with glue feeding interface 204, glue cylinder 201 outside is connected with heating sleeve 205, and one side of the upper portion of heating sleeve 205 outside is equipped with first electric interface 207, and heating sleeve 205 outside is equipped with a plurality of limiting grooves 206, solenoid valve 3 front and back are all connected with a plurality of mounting frames 302, and solenoid valve 3 upper end is equipped with second electric interface 301, and one side of solenoid valve 3 away from cylinder control valve 1 is equipped with limiting sleeve 304, and limiting sleeve 304 inside is equipped with second limiting protrusion 303, limiting component 4 is by first limiting seat 401, glue feeding pipe 402 and second limiting seat 403 are formed, and first limiting seat 401 and second limiting seat 403 are connected with glue feeding pipe 402, heating assembly 5 is by upper connecting seat 501, heating port 502, lower connecting seat 503, limiting strip 504, heating pipe 505, first plug-in groove 506 and second plug-in groove 507 are formed, and heating pipe 505 is arranged between upper connecting seat 501 and lower connecting seat 503, and heating pipe 505 upper end is equipped with heating port 502, and first plug-in groove 506 is formed in the upper end of upper connecting seat 501, and a plurality of limiting strips 504 are arranged on one side of upper connecting seat 501, and second plug-in groove 507 is formed in the upper end of lower connecting seat 503 close to the edge.

[0030] Referring to Figures 1-4 The upper portion of the inside of cylinder control valve 1 is equipped with a cylinder, the lower portion of the inside of cylinder control valve 1 is equipped with a glue cavity, solenoid valve 3 is connected with cylinder control valve 1 through mounting frame 302, limiting sleeve 304 and heating sleeve 205 are connected through sleeve joint, when using, the cylinder pushes down along the glue cavity, makes the glue in nozzle 101 spray, the glue output is adjusted by controlling the stroke of the cylinder.

[0031] Referring to Figures 1-8The hot melt adhesive is prone to residual glue liquid at the nozzle during spraying, and is prone to solidification blockage, the glue cylinder 201 and the heating sleeve 205 are connected through sleeve connection, the first limiting seat 401, the second limiting seat 403 and the glue inlet pipe 402 are connected through sleeve connection, the glue inlet pipe 402 and the nozzle 101, the glue cylinder 201 are connected through threaded fastening, the first limiting seat 401, the second limiting seat 403 and the first plug-in groove 506 are connected through sleeve connection and are locked by bolts, the upper connecting seat 501 and the lower connecting seat 503 are connected through the limiting strip 504 and the second plug-in groove 507 and are locked by bolts, in use, the glue liquid is stored in the glue cylinder 201, then enters the nozzle 101 through the glue inlet pipe 402, the heating sleeve 205 is arranged outside the glue cylinder 201, and the heating assembly 5 is arranged outside the nozzle 101, so that the glue liquid at the nozzle 101 can be kept in a liquid state, blockage at the nozzle 101 is avoided, and the smoothness of glue liquid spraying is improved.

[0032] Working principle: the upper part of the cylinder control valve 1 in the hot melt adhesive spraying valve assembly is provided with a cylinder, the lower part of the cylinder control valve 1 is provided with a glue cavity, the electromagnetic valve 3 is connected with the cylinder control valve 1 through the mounting frame 302, the limiting sleeve 304 and the heating sleeve 205 are connected through sleeve connection, in use, the cylinder pushes down along the glue cavity, so that the glue liquid in the nozzle 101 is sprayed out, the glue amount is adjusted by controlling the stroke of the cylinder, the glue cylinder 201 and the heating sleeve 205 are connected through sleeve connection, the first limiting seat 401, the second limiting seat 403 and the glue inlet pipe 402 are connected through sleeve connection, the glue inlet pipe 402 and the nozzle 101, the glue cylinder 201 are connected through threaded fastening, the first limiting seat 401, the second limiting seat 403 and the first plug-in groove 506 are connected through sleeve connection and are locked by bolts, the upper connecting seat 501 and the lower connecting seat 503 are connected through the limiting strip 504 and the second plug-in groove 507 and are locked by bolts, in use, the glue liquid is stored in the glue cylinder 201, then enters the nozzle 101 through the glue inlet pipe 402, the heating sleeve 205 is arranged outside the glue cylinder 201, and the heating assembly 5 is arranged outside the nozzle 101, so that the glue liquid at the nozzle 101 can be kept in a liquid state, blockage at the nozzle 101 is avoided, and the smoothness of glue liquid spraying is improved.

[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hot melt adhesive injection valve assembly, comprising a cylinder control valve (1), an adhesive inlet assembly (2), a solenoid valve (3), a limit assembly (4) and a heating assembly (5), characterized in that: The lower end of the air cylinder control valve (1) is connected with a limiting assembly (4), the lower end of the limiting assembly (4) is connected with a heating assembly (5), one side of the air cylinder control valve (1) is connected with a solenoid valve (3), and the side, away from the air cylinder control valve (1), of the solenoid valve (3) is connected with a glue feeding assembly (2). The lower end of the air cylinder control valve (1) is provided with a nozzle (101), one side of the upper part of the air cylinder control valve (1) is provided with an air valve (102), the upper end of the air cylinder control valve (1) is provided with a stroke adjusting knob (103), and the upper part of the air cylinder control valve (1) is provided with a mounting plate (104). The glue feeding assembly (2) is composed of a glue cylinder (201), first limiting protrusions (202), an upper cover (203), a glue feeding interface (204), a heating sleeve (205), limiting grooves (206) and a first electric interface (207), a plurality of first limiting protrusions (202) are arranged outside the glue cylinder (201), the upper end of the glue cylinder (201) is connected with the upper cover (203), the upper end of the upper cover (203) is provided with the glue feeding interface (204), the glue cylinder (201) is connected with the heating sleeve (205) outside, the first electric interface (207) is arranged on the upper part of one side of the heating sleeve (205) outside, and a plurality of limiting grooves (206) are arranged outside the heating sleeve (205). The front and back of the solenoid valve (3) are connected with a plurality of mounting racks (302), the upper end of the solenoid valve (3) is provided with a second electric interface (301), the side, away from the air cylinder control valve (1), of the solenoid valve (3) is provided with a limiting sleeve (304), and the inside of the limiting sleeve (304) is provided with second limiting protrusions (303). The limiting assembly (4) is composed of a first limiting seat (401), a glue feeding pipe (402) and a second limiting seat (403), and the glue feeding pipe (402) is connected between the first limiting seat (401) and the second limiting seat (403). The heating assembly (5) is composed of an upper connecting seat (501), a heating port (502), a lower connecting seat (503), limiting strips (504), a heating pipe (505), a first plug-in groove (506) and a second plug-in groove (507), the heating pipe (505) is arranged between the upper connecting seat (501) and the lower connecting seat (503), the upper end of the heating pipe (505) is provided with the heating port (502), the upper end of the upper connecting seat (501) is provided with the first plug-in groove (506), a plurality of limiting strips (504) are arranged on one side of the upper connecting seat (501), and the upper end of the lower connecting seat (503) is provided with the second plug-in groove (507) near the edge.

2. A hot melt adhesive jet valve assembly according to claim 1, wherein: The upper part of the inside of the air cylinder control valve (1) is provided with a cylinder, and the lower part of the inside of the air cylinder control valve (1) is provided with a glue cavity.

3. A hot melt adhesive jet valve assembly according to claim 1, wherein: The glue cylinder (201) and the heating sleeve (205) are connected in a sleeved mode.

4. The hot melt adhesive jet valve assembly of claim 1, wherein: The solenoid valve (3) is connected with the air cylinder control valve (1) through the mounting rack (302), and the limiting sleeve (304) and the heating sleeve (205) are connected in a sleeved mode.

5. The hot melt adhesive jet valve assembly of claim 1, wherein: The first limiting seat (401), the second limiting seat (403) and the glue feeding pipe (402) are connected through sleeve connection, and the glue feeding pipe (402) and the nozzle (101), the glue cylinder (201) are connected through screw thread tightening.

6. A hot melt adhesive dispensing valve assembly according to claim 1 wherein: The first limiting seat (401), the second limiting seat (403) and the first plug-in slot (506) are connected through sleeve connection and locked through a bolt.

7. A hot melt adhesive dispensing valve assembly according to claim 1 wherein: The upper connecting seat (501) and the lower connecting seat (503) are connected through the limiting strip (504) and the second plug-in slot (507) and locked through a bolt.

Images