Glue nozzle for controlling three-dimensional shape of glue during reverse gluing

Abstract

The utility model discloses a glue nozzle for reversely applying glue to control the three-dimensional shape of glue, which comprises a glue supply component, a glue outlet component, a glue outlet component and a glue outlet component, the glue supply component comprises a mounting base and an extension base, a first runner penetrating through a first end face and a second end face of the mounting base is arranged in the mounting base, and the extension base is connected to the second end face of the mounting base; a second runner communicated with the first runner is arranged in the first runner and extends to the extension end to form a feeding port; the glue nozzle is connected to the extending end, a glue channel of the glue nozzle comprises a glue inlet and a glue outlet, the glue inlet is aligned with the feeding port, an upper opening of the glue channel is located in the upper end face of the glue nozzle, and the upper end face of the glue nozzle is in smooth transition relative to the extending end. By optimizing a glue supply runner and a glue nozzle structure, precise glue amount control and stable three-dimensional glue line forming are achieved, the gravity influence is effectively overcome, and glue liquid dripping is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a glue nozzle, especially a glue nozzle for controlling three-dimensional shape of glue in reverse glue application. BACKGROUND

[0002] When applying glue on the vertical upper surface of complex structures such as C-shaped groove, the traditional methods such as spraying, rolling and scraping have the following problems:

[0003] Glue amount control is difficult: spraying easily leads to glue waste and splashing; rolling is difficult to uniformly coat in deep groove; scraping relies on operation skills and is limited by the geometry of the groove.

[0004] Glue forming is unstable: glue is prone to dripping due to gravity, the glue application position is inaccurate, and it is difficult to form ideal three-dimensional glue lines.

[0005] Cost and efficiency problems: existing methods are difficult to realize automated mass production, and the cost of glue is high.

[0006] Therefore, there is an urgent need for a glue application device that can accurately control the amount of glue, overcome the influence of gravity and form stable three-dimensional glue lines. SUMMARY

[0007] In order to solve the above technical problems, the utility model provides a glue nozzle for controlling three-dimensional shape of glue in reverse glue application.

[0008] In order to solve the above technical problems, the utility model adopts the technical scheme of: a glue nozzle for controlling three-dimensional shape of glue in reverse glue application, comprising:

[0009] The glue supply assembly includes a mounting base and an extension base. The first flow channel is provided inside the mounting base and extends through the first end face and the second end face. The extension base is connected to the second end face of the mounting base and has a second flow channel inside that communicates with the first flow channel. The second flow channel extends to the extension end to form a feeding port.

[0010] The glue nozzle is connected to the extension end. The glue channel of the glue nozzle includes a glue inlet and a glue outlet. The glue inlet is aligned with the feeding port. The upper opening of the glue channel is located on the upper end face of the glue nozzle, and the upper end face of the glue nozzle smoothly transitions relative to the extension end.

[0011] Further, the first flow channel is inclined in the mounting base. The front section of the second flow channel is inclined in the extension base. The middle section of the second flow channel extends horizontally. The rear section of the second flow channel forms an L-shaped bend with the middle section of the second flow channel, so that the rear section of the second flow channel is perpendicular to the middle section of the second flow channel.

[0012] Further, the cross section of the glue channel is composed of two symmetrical arc surfaces. The two symmetrical arc surfaces intersect to form a jaw part. The jaw part is connected to a semicircular cross section downward.

[0013] Further, the radius of the double symmetrical arc surface is 0.96mm, and the radius of the semicircular section is 0.70mm.

[0014] Further, the cross-sectional shape of the mounting base is circular or polygonal, and the mounting base is detachably connected with the glue feeding end support through screw hole positions.

[0015] Further, the connection mode of the extension base and the mounting base includes welding or bonding.

[0016] Further, the glue inlet is aligned with the feeding port through the semicircular section.

[0017] The utility model discloses a glue nozzle for controlling three-dimensional shape of glue water, through optimizing glue feeding runner and glue nozzle structure, realized accurate glue amount control and stable three-dimensional glue line forming, effectively overcome gravity influence, avoid glue liquid drop; its double symmetrical arc surface and the collaborative design balance glue liquid pressure distribution of semicircular section, combine L type inflection road and gradually expand opening, promote flow velocity kinetic energy and stabilize flow direction, ensure that glue liquid is accurately adhered to the surface of complex structure (such as C type groove vertical surface) vertically upwards. The device significantly reduces glue liquid waste, reduces production cost, supports automation batch production simultaneously, solves traditional gluing method low efficiency, poor forming, relies on artificial operation etc. difficult problem, has high precision, high stability and wide applicability. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional view of glue feeding assembly Figure 1 .

[0019] Figure 2 It is the three-dimensional view of glue feeding assembly Figure 2 .

[0020] Figure 3 It is the sectional view of glue feeding assembly.

[0021] Figure 4 It is the three-dimensional view of extension base.

[0022] Figure 5 It is the overall view of the utility model.

[0023] Figure 6 It is Figure 5 The enlarged view of the middle part of the middle circle.

[0024] In the drawing: 100, mounting base; 101, first end surface; 102, second end surface; 103, first runner; 104, screw hole position; 200, extension base; 201, third end surface; 202, second runner; 210, extension end; 211, feeding port; 301, glue inlet; 302, glue outlet; 303, upper opening; 304, first arc surface; 305, second arc surface, 306, semicircular section. DETAILED DESCRIPTION

[0025] The utility model will be described further in detail below in combination with the drawings and specific embodiments.

[0026] The utility model discloses a reverse sizing nozzle, by optimizing the runner and glue nozzle structure, realize the vertical upward sizing in narrow space, ensure that glue solution is accurately attached to the target surface, control the flow direction and flow of glue solution through the runner design, form stable three-dimensional glue line, has reached the purpose of reducing glue waste, reducing cost, suitable for automatic production.

[0027] The specific glue nozzle structure includes a glue supply assembly with a glue flow channel and a glue nozzle with a multi-section variable cross-section flow channel. Figure 1 As shown, the glue supply assembly includes a rectangular mounting base 100, in other embodiments, the mounting base 100 is not limited to rectangular, but also can be a plate body with a circular or polygonal cross section, which depends on the shape of the glue supply end support that the mounting base 100 needs to be connected, and the mounting base 100 is provided with screw hole positions 104 for connecting the glue supply end support, which are fixed in position by screws.

[0028] As shown in Figure 2 and Figure 3 The inside of the mounting base 100 is provided with a first flow channel 103 penetrating the first end face 101 and the second end face 102, the first flow channel 103 forms an inlet at the first end face 101 and an outlet at the second end face 102; the second end face 102 of the mounting base 100 is connected with an extension base 200, the mounting position of the extension base 200 is perpendicular to the mounting base 100 and extends out of the horizontal projection area of the mounting base 100 through the extension end 210, and the connection mode of the mounting base 100 and the extension base 200 is that the third end face 201 of the extension base 200 contacts and connects the second end face 102 of the mounting base 100, and the contact connection is not limited to welding or bonding or other connection modes according to the different materials, the inside of the extension base 200 is provided with a second flow channel 202 communicating with the first flow channel 103, and at the same time, the second flow channel 202 outputs a feeding port 211 in the extension base 200 through the extension end 210, it should be noted that the direction of the feeding port 211 should be dynamically adjusted according to the direction of the glue nozzle, the first flow channel 103 can be arranged in an inclined direction or in a vertical direction in the inside of the mounting base 100, in this embodiment, the first flow channel 103 is arranged in an inclined direction in the mounting base 100, the front section of the second flow channel 202 is also arranged in an inclined direction to connect the first flow channel 103, the middle section of the second flow channel 202 extends along the horizontal direction, and the rear section of the second flow channel 202 forms an L-shaped turning road with the middle section of the second flow channel 202, so that the rear section of the second flow channel 202 is perpendicular to the middle section of the second flow channel 202.

[0029] As shown in Figures 4-6 the glue nozzle is connected to the extension end 210, the glue channel of the glue nozzle adopts a multi-section variable cross-section design, the glue inlet 301 and the glue outlet 302 are formed on both sides of the length direction of the glue channel, the glue inlet 301 is aligned with the feeding port 211, the upper opening 303 of the glue channel is a gradually expanding opening, the gradually expanding opening of the glue channel is located on the upper end face of the glue nozzle, the upper end face of the glue nozzle is flush with the extension end 210, the cross section of the glue channel is composed of two symmetrical arc surfaces, the symmetrical arc surface design on both sides balances the pressure distribution of the glue liquid, avoids one-sided flow deflection, and ensures that the glue liquid uniformly advances along the median vertical plane, one side is a first arc surface 304 with a radius of 0.96 mm, the other side is a second arc surface 305 with a radius of 0.96 mm, the two arc surfaces are symmetrically distributed on both sides of the median vertical plane, the top of the two arc surfaces intersects to form a notch, forming a continuous flow channel contraction section, the glue liquid flow is affected through the convergence design, the notch extends downward to connect a semicircular cross section 306 with a radius of 0.70 mm, preferably, the glue inlet 301 is aligned with the feeding port 211 through the semicircular cross section 306, the glue liquid collects in the channel of the semicircular cross section 306, and then the narrow area formed by the intersection of the two arc surfaces significantly improves the flow rate of the glue liquid through cross-section contraction, enhances the kinetic energy of the glue liquid, and makes it overcome the gravity to be sprayed upward, the notch gradually expands outward to gradually reduce the flow rate of the glue liquid, and the kinetic energy is converted into static pressure energy to stabilize the flow direction. With the continuous advancement of the reverse glue nozzle, a specific shear effect is generated on the notch when the glue liquid leaves the glue nozzle, and a preset three-dimensional glue line in the form of a triangle is formed by combining the surface tension and the viscosity of the glue liquid. In other embodiments, the shape of the glue channel can be changed, for example, a wave-shaped opening can generate a continuously fluctuating glue line, which is suitable for sealing or buffering scenarios.

[0030] Finally, through the cooperative design of the flow channel and the glue nozzle, the glue liquid is ensured to be vertically upwardly attached, and dripping is avoided, and the complex three-dimensional glue line can be generated by optimizing the shape of the opening in combination with the fluid parameters.

[0031] In work, the glue liquid is guided to the glue nozzle through the inclined flow channel and the L-shaped turning path in the installation base and the extension base, the glue nozzle adopts a combined design of double symmetrical arc surfaces and a semicircular cross section, the flow rate of the glue liquid is accelerated through cross-section contraction to overcome gravity, the flow rate is reduced and the pressure is stabilized through the gradually expanding opening, the glue liquid is vertically and accurately attached to the target surface with the glue nozzle directly reaching the glue sealing place in the reverse direction and translating, the symmetrical arc surfaces balance the pressure distribution of the glue liquid, avoid flow deflection, and the flow channel is cooperatively designed to ensure that the glue liquid forms a stable three-dimensional glue line when it leaves. The structure effectively reduces glue liquid dripping and waste, improves glue application accuracy and efficiency, is suitable for automatic reverse glue application of complex structures (such as C-shaped groove vertical surfaces), and significantly reduces production cost.

[0032] The above embodiments are not a limitation of the utility model, unless there are explicit provisions and limitations, the terms "set", "install", "connect" and "connect" should be understood broadly, for example, it can be fixed connection, or it can be detachable connection, or it can be integrally connected; it can be mechanical connection, or it can be electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances. The utility model is also not limited to the above examples, the changes, modifications, additions or replacements made by the technical personnel in the technical field within the technical scheme range of the utility model also belong to the protection range of the utility model. In addition, the technical features involved in the different embodiments of the application described above can be combined with each other as long as they do not conflict with each other.

Claims

1. A nozzle for controlling the three-dimensional shape of adhesive during reverse application, characterized in that, include: The adhesive supply assembly includes a mounting base and an extension base. The mounting base has a first flow channel that penetrates its first end face and a second end face. The extension base is connected to the second end face of the mounting base and has a second flow channel that communicates with the first flow channel. The second flow channel extends to the extension end to form a feeding port. A nozzle is connected to the extension end. The nozzle has a glue channel including a glue inlet and a glue outlet. The glue inlet is aligned with the feed port. The upper opening of the glue channel is located on the upper end face of the nozzle, and the upper end face of the nozzle smoothly transitions relative to the extension end.

2. The nozzle for controlling the three-dimensional shape of adhesive during reverse application according to claim 1, characterized in that: The first flow channel is inclined within the mounting base, the front section of the second flow channel is inclined within the extension base, the middle section of the second flow channel extends horizontally, and the rear section of the second flow channel forms an L-shaped bend with the middle section of the second flow channel, such that the rear section of the second flow channel is perpendicular to the middle section of the second flow channel.

3. The nozzle for controlling the three-dimensional shape of adhesive during reverse application according to claim 1 or 2, characterized in that: The cross-section of the adhesive channel is composed of double symmetrical arc surfaces, with the two symmetrical arc surfaces converging to form a jaw, which connects downward to a semi-circular cross-section.

4. The nozzle for controlling the three-dimensional shape of adhesive during reverse application according to claim 3, characterized in that: The radius of each of the double symmetrical arc surfaces is 0.96 mm, and the radius of the semi-circular cross-section is 0.70 mm.

5. The nozzle for controlling the three-dimensional shape of adhesive during reverse application according to claim 3, characterized in that: The mounting base has a circular or polygonal cross-sectional shape and is detachably connected to the adhesive supply end bracket via screw holes.

6. The nozzle for controlling the three-dimensional shape of adhesive during reverse application according to claim 3, characterized in that: The connection method between the extension base and the mounting base includes welding or bonding.

7. The nozzle for controlling the three-dimensional shape of adhesive during reverse application according to claim 3, characterized in that: The glue inlet is aligned with the feed inlet via a semi-circular cross-section.

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