Extrusion device for two-component glue

Abstract

The utility model discloses an extrusion device for double-component glue, and relates to the technical field of discharging materials out of outlet holes through pressure. An extrusion device for double-component glue comprises a glue extrusion gun body, a double-pipe glue installation cavity and a clamping groove are formed in one side of the glue extrusion gun body, a glue mixing structure is located on the glue extrusion gun body, and the glue mixing structure comprises two pieces of double-pipe polyurethane glue, a glue extrusion nozzle, a glue outlet nozzle, a positive screw, an installation rod and a negative screw. Under the cooperation of the mounting rod, the positive screw and the negative screw, the positive screw and the negative screw are located in the glue extrusion nozzle, each of the positive screw and the negative screw is composed of two oppositely-arranged screw blades, the directions of the screw blades are opposite, and a strong convective mixing effect is formed; the shearing rate and turbulence intensity between materials can be increased, instant and efficient mixing of the two kinds of glue is achieved, and then waste of the polyurethane glue is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of material is discharged from the outlet hole by pressure, especially relates to a kind of extrusion device of two-component glue. BACKGROUND

[0002] Two-component polyurethane glue is a reactive adhesive consisting of A and B two components, with excellent physical and chemical properties, widely used in many fields, and two-component polyurethane glue needs to be mixed and extruded using glue gun when used.

[0003] The existing two-component glue extrusion device mostly uses the mode of separate extrusion and then mixing, which has the problems of uneven mixing and low mixing efficiency, especially in the application of high-viscosity glue, and when the mixing is uneven, about 30 centimeters of glue strip in the front section needs to be discarded to avoid extruding the unevenly mixed glue into the gap, affecting the use effect of glue, therefore, we propose a kind of extrusion device of two-component glue. UTILITY MODEL CONTENT

[0004] The utility model is to solve at least one of the technical problems existing in the prior art, provide a kind of extrusion device of two-component glue, can solve the problems of uneven mixing and low mixing efficiency of the existing two-component glue extrusion device, especially in the application of high-viscosity glue, and when the mixing is uneven, about 30 centimeters of glue strip in the front section needs to be discarded to avoid extruding the unevenly mixed glue into the gap, affecting the use effect of glue.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of extrusion device of two-component glue, comprising:

[0006] Glue extrusion gun body, one side of glue extrusion gun body is respectively provided with double-tube glue mounting cavity and slot;

[0007] Glue mixing structure, glue mixing structure is located on glue extrusion gun body;

[0008] Glue mixing structure includes two double-tube polyurethane glue, glue extrusion nozzle, glue outlet nozzle, positive helix, mounting rod and reverse helix, two double-tube polyurethane glue are all installed in double-tube glue mounting cavity, glue outlet nozzle is fixedly connected at the discharge port of two double-tube polyurethane glue, glue extrusion nozzle is screw-connected on the outer surface of glue outlet nozzle, glue extrusion nozzle is internally provided with glue outlet cavity, positive helix and reverse helix are all fixedly connected in the inside of glue extrusion nozzle, positive helix and reverse helix are symmetrically wound on the outer surface of mounting rod.

[0009] Preferably, the outer surface of the mounting rod is sleeved with a plurality of mixing spirals, and the plurality of mixing spirals are fixedly connected in the interior of the glue extrusion nozzle.

[0010] Preferably, the interior of the glue extrusion gun body is slidably connected with two extrusion rods, and the two extrusion rods are fixedly connected with rubber soft pads at the ends close to the double-tube polyurethane glue, and the two rubber soft pads are adapted to the corresponding double-tube polyurethane glue.

[0011] Preferably, the two extrusion rods are fixedly connected with pull rod handles at the ends away from the corresponding rubber soft pads.

[0012] Preferably, the glue extrusion gun body is fixedly connected with a fixed handle at the side away from the double-tube glue mounting cavity, and the glue extrusion gun body is hingedly connected with an extrusion handle at the side away from the double-tube glue mounting cavity.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1、The extrusion device of two-component glue is characterized in that the mounting rod, the forward spiral and the reverse spiral are matched, the forward spiral and the reverse spiral are located in the interior of the glue extrusion nozzle, the forward spiral and the reverse spiral are composed of two oppositely arranged spiral blades, the directions of the spiral blades are opposite, a strong convection mixing effect is formed, when the two kinds of glue enter the spiral mixing section, the shearing rate and the turbulent intensity between materials are increased, instant and efficient mixing of the two kinds of glue is realized, and the waste of polyurethane glue is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained in connection with the drawings and embodiments as follows:

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a glue extrusion nozzle cross section structure schematic view of the utility model;

[0018] Figure 3 It is a Figure 2 It is an enlarged structure schematic view of A in the middle;

[0019] Figure 4 It is a double-tube polyurethane glue structure schematic view of the utility model.

[0020] The drawings show that: 1, glue extrusion gun body; 2, double-tube glue mounting cavity; 3, double-tube polyurethane glue; 4, clamping groove; 5, glue extrusion nozzle; 6, rubber soft pad; 7, extrusion handle; 8, fixed handle; 9, extrusion rod; 10, pull rod handle; 11, glue outlet; 12, glue outlet cavity; 13, mixing spiral; 14, mounting rod; 15, forward spiral; 16, reverse spiral. DETAILED DESCRIPTION

[0021] This part will describe the specific embodiments of the present application in detail, the preferred embodiments of the present application are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the present application, but it cannot be understood as a limitation on the protection scope of the present application.

[0022] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like based on the orientation or position relationship shown in the drawings, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the present application.

[0023] In the description of the present application, greater than, less than, more than and the like are understood as not including the number, above, below and the like are understood as including the number. If it is described as first, second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0024] In the description of the present application, unless otherwise explicitly limited, the words such as setting, installing and connecting should be broadly understood, and the person skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0025] Please refer to Figures 1-4 The present application provides a technical scheme: an extrusion device for two-component glue, comprising:

[0026] The glue extrusion gun body 1 is provided with a double-tube glue mounting cavity 2 and a clamping groove 4 on one side;

[0027] The glue mixing structure is located on the glue extrusion gun body 1;

[0028] The glue mixing structure comprises two double-tube polyurethane glues 3, a glue extrusion nozzle 5, a glue outlet nozzle 11, a right screw 15, a mounting rod 14 and a reverse screw 16. The two double-tube polyurethane glues 3 are installed in the double-tube glue mounting cavity 2. The glue outlet nozzle 11 is fixedly connected at the discharge port of the two double-tube polyurethane glues 3. The glue extrusion nozzle 5 is screw-connected on the outer surface of the glue outlet nozzle 11. The glue extrusion nozzle 5 is internally provided with a glue outlet cavity 12. The right screw 15 and the reverse screw 16 are fixedly connected in the glue extrusion nozzle 5. The right screw 15 and the reverse screw 16 are symmetrically wound on the outer surface of the mounting rod 14.

[0029] The outer surface of the mounting rod 14 is fixedly sleeved with a plurality of mixing spirals 13, which are fixedly connected in the interior of the glue extrusion nozzle 5. The interior of the glue extrusion gun body 1 is slidably connected with two extrusion rods 9, the ends of which close to the double-tube polyurethane glue 3 are fixedly connected with rubber soft pads 6, which are adapted to the corresponding double-tube polyurethane glue 3. The ends of the two extrusion rods 9 away from the corresponding rubber soft pads 6 are fixedly connected with pull rod handles 10.

[0030] The side of the glue extrusion gun body 1 away from the double-tube glue mounting cavity 2 is fixedly connected with a fixed handle 8, and the side of the glue extrusion gun body 1 away from the double-tube glue mounting cavity 2 is hingedly connected with an extrusion handle 7.

[0031] Further, in use of the device, the user holds the fixed handle 8, then moves the two extrusion rods 9 by extruding the extrusion handle 7, so as to drive the two rubber soft pads 6 to be located in the interior of the corresponding double-tube polyurethane glue 3, and then extrude the polyurethane glue in the two double-tube polyurethane glue 3, so as to extrude the two tubes of polyurethane glue from the glue outlet nozzle 11, so that the polyurethane glue can enter the glue extrusion cavity 12 for mixing, so that when the glue in the two tubes is extruded in the positive spiral 15 and the reverse spiral 16, the special design of the symmetrical mixing section of the positive spiral 15 and the reverse spiral 16 can increase the shear rate and turbulence intensity between the materials, thereby enhancing the mixing effect and making the colloid more uniform, and then facilitating the mixing of the polyurethane glue without discarding the previous glue under the mixing of the subsequent plurality of mixing spirals 13.

[0032] Through the cooperation of the mounting rod 14, the positive spiral 15 and the reverse spiral 16, the positive spiral 15 and the reverse spiral 16 are located in the interior of the glue extrusion nozzle 5, and the positive spiral 15 and the reverse spiral 16 are composed of two oppositely arranged spiral blades, the directions of the spiral blades are opposite, forming a strong convection mixing effect, when the two glues enter the spiral mixing section, the shear rate and turbulence intensity between the materials can be increased, realizing instant and efficient mixing of the two glues, thereby reducing the waste of polyurethane glue.

[0033] Working principle: through the use of personnel hand fixed handle 8, then, extrusion extrusion handle 7 drive two extrusion rod 9 to move, so as to drive two rubber soft pad 6 in the corresponding double tube polyurethane glue 3 inside, in turn facilitate to two double tube polyurethane glue 3 in the polyurethane glue extrusion, so that the two tube polyurethane glue from glue nozzle 11 extrusion, so that polyurethane glue can enter into the glue cavity 12 in the glue mixing, so that the glue in the two tube in the positive screw 15 and reverse screw 16 extrusion, the special design of the positive screw 15 and reverse screw 16 symmetry mixing section can increase the shear rate and turbulence intensity between materials, so as to enhance the mixing effect, make the colloid more uniform, in turn facilitate in the subsequent multiple mixing screw 13 mixing, so that the polyurethane glue does not need to abandon the front section of glue.

[0034] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by those skilled in the art in the technical field without departing from the purpose of the utility model.

Claims

1. An apparatus for extruding two-component glue, characterized by The utility model relates to a glue extrusion gun body (1), one side of glue extrusion gun body (1) is equipped with double -tube glue mounting cavity (2) and clamping groove (4) respectively. The glue mixing structure is located on the glue extrusion gun body (1). The glue mixing structure includes two double -tube polyurethane glues (3), glue extrusion nozzles (5), glue discharge nozzles (11), positive screws (15), mounting rods (14) and reverse screws (16), the two double -tube polyurethane glues (3) are installed in double -tube glue mounting cavity (2), and the glue discharge nozzle (11) is fixedly connected at the discharge port of the two double -tube polyurethane glues (3). The glue extrusion nozzle (5) is screwed on the outer surface of the glue discharge nozzle (11), the glue extrusion nozzle (5) is internally provided with a glue discharge cavity (12), the positive screw (15) and the reverse screw (16) are fixedly connected in the glue extrusion nozzle (5), and the positive screw (15) and the reverse screw (16) are symmetrically wound on the outer surface of the mounting rod (14). The mounting rod (14) is fixedly sleeved with a plurality of mixing screws (13) on the outer surface, and the plurality of mixing screws (13) are fixedly connected in the glue extrusion nozzle (5).

2. The apparatus according to claim 1, wherein: The glue extrusion gun body (1) is internally slidably connected with two extrusion rods (9).

3. The apparatus according to claim 1, wherein: The two extrusion rods (9) are fixedly connected with rubber soft pads (6) at one end close to the double -tube polyurethane glue (3), and the two rubber soft pads (6) are adapted to the corresponding double -tube polyurethane glue (3). The two extrusion rods (9) are fixedly connected with pull rod handles (10) at one end away from the corresponding rubber soft pad (6).

4. The apparatus according to claim 3, wherein: The glue extrusion gun body (1) is fixedly connected with a fixed handle (8) on the side away from the double -tube glue mounting cavity (2), and the glue extrusion gun body (1) is hingedly connected with an extrusion handle (7) on the side away from the double -tube glue mounting cavity (2).

5. The apparatus of claim 1 wherein: ​

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