TWM559755U - Micro double liquid dispensing equipment - Google Patents

Abstract

A micro double liquid dispensing equipment includes a dual liquid pump, a mixer, a Y-manifold and a dispensing needle. The mixer is connected to the dual liquid pump, the Y-manifold is connected to the mixer, and the dispensing needle is connected to the Y-manifold to provide a tiny amount of two-component adhesive.

Description

Micro-liquid dispensing equipment

The present invention relates to a two-liquid dispensing device, and in particular to a micro-two-liquid dispensing device.

With the development of technology, the size of electronic products is getting smaller and smaller, and the precision is getting higher and higher. The automatic dispensing machine is an automatic device developed for the packaging industry. It is designed to be packaged by controlling the colloid to be dripped or coated on the workpiece product. It is also called a glue machine or a glue applicator. With the development of industrialization, the automatic dispenser has reduced the use of human resources, and the phenomenon of lack of manpower has been alleviated to some extent.

The two-liquid dispensing machine has been widely used due to its ability to effectively control the hardening time and improve the accuracy of dispensing. Although, at this stage, the dispenser has been widely used in various industries and is indispensable for the electronics industry. However, as electronic products become more sophisticated and smaller in size, how to further improve the accuracy and reliability of the dispenser will further improve the application range and application industry of the dispenser.

Therefore, how to improve the accuracy and reliability of the dispenser will help the production precision of various industries and reduce the production cost, especially for the production of precision electronic products.

The novel content is intended to provide a simplified summary of the disclosure in order to provide a basic understanding of the disclosure. This Summary is not an extensive overview of the disclosure, and is not intended to identify key/critical elements of the novel embodiments or the scope of the invention.

One of the purposes of the present invention is to provide a micro-two-liquid dispensing device to improve the accuracy of dispensing the dispenser.

In order to achieve the above object, according to one aspect of the present invention, a micro two-liquid dispensing device includes a two-liquid valve, a stirring tube connected to the two-liquid valve, a Y-shaped manifold connected to the stirring tube, and A glue tip is attached to the Y-manifold to provide a trace two-liquid mix.

In one embodiment, the micro-liquid mixture is supplied in an amount of less than about 150 milligrams per second, for example, a trace two-liquid blend is supplied in an amount of about 110 milligrams per second.

Wherein, the two-liquid valve comprises a first liquid supply valve and a second liquid supply valve respectively providing a main agent and a hardener, and mixing uniformly in the stirring tube.

In one embodiment, the agitating tube contains less than 12 mixing blades to uniformly mix the primary agent and the hardener, and to shorten the residence time of the primary agent and the hardener in the agitating tube.

In one embodiment, the Y-manifold includes a manifold thimble to control the supply of the micro-liquid mixture.

In one embodiment, the micro-two-liquid dispensing device further includes a drive module coupled to the manifold thimble to control the supply of the micro-liquid mixture.

In one embodiment, the driving module includes a pneumatic cylinder, a driving rod is disposed in the pneumatic cylinder, and a collet is disposed at one end of the driving rod for connecting with the manifold ejector pin, wherein the pneumatic cylinder is a fine adjustment Stroke pneumatic cylinder.

In an embodiment, the drive module further includes a slide stabilizer to stabilize the drive rod to move the manifold ejector pin.

In one embodiment, the micro-two-liquid dispensing device further includes a fixing seat for fixing the two-liquid valve and the driving module.

In one embodiment, the micro-two-liquid dispensing device further includes a manifold holder that is secured to the holder for mounting the Y-shaped manifold and the dispensing needle.

In one embodiment, the micro-two-liquid dispensing device further includes a cooling and cooling device for cooling the mixing tube, the Y-shaped manifold, and the dispensing needle.

Therefore, the micro-liquid double dispensing device disclosed in the present invention can effectively reduce the residence time of the micro-liquid mixing glue in the mixing tube, and provides a micro-liquid mixing glue for the dispensing process in the precision electronics industry. The cooling and cooling device can be used to prolong the hardening time of the micro-liquid mixture, and avoid the problem of premature hardening of the glue in the dispensing process.

The basic spirit and other novel objects of the present invention, as well as the technical means and implementations of the present invention, can be readily understood by those of ordinary skill in the art.

100‧‧‧Micro-liquid dispensing equipment

110‧‧‧Double liquid valve

112‧‧‧First liquid supply valve

114‧‧‧Second liquid supply valve

116‧‧‧First liquid inlet

118‧‧‧Second liquid inlet

120‧‧‧ Mixing tube

130‧‧‧Y-manifold

132‧‧‧Management thimble

140‧‧‧ Dispensing needle

142‧‧‧ dispensing mouth

150‧‧‧Drive Module

152‧‧‧ pneumatic cylinder

154‧‧‧ drive rod

156‧‧‧Sliding stabilizer

158‧‧‧ chuck

160‧‧‧ fixed seat

162‧‧‧floor

164‧‧‧ bracket

166‧‧‧Double liquid valve mount

170‧‧‧Manifold holder

180‧‧‧Cooling and cooling device

The above and other objects, features, advantages and embodiments of the present invention will become more apparent and understood.

1 is a perspective view of a micro-liquid dispensing device according to an embodiment of the present invention.

The various features and elements in the figures are not drawn to scale, and are in the In addition, similar elements/components are referred to by the same or similar element symbols throughout the different drawings.

In order to make the description of the present disclosure more detailed and complete, the following description of the embodiments of the present invention and the specific embodiments thereof are set forth. The features of various specific embodiments, as well as the method steps and sequences thereof, are constructed and manipulated in the embodiments. However, other specific embodiments may be utilized to achieve the same or equivalent function and sequence of steps.

Unless otherwise defined in the specification, the meaning of the scientific and technical terms used herein is the same as that of ordinary skill in the art. In addition, the singular noun used in this specification covers the plural of the noun in the case of no conflict with the context; the plural noun of the noun is also included in the plural noun used.

Referring to FIG. 1 , it is a perspective view of a micro-two-liquid dispensing device according to an embodiment of the present invention. As shown, according to the novel embodiment One micro-liquid dispensing device 100 disclosed includes a two-liquid valve 110, a mixing tube 120, a Y-shaped manifold 130, and a dispensing needle 140.

The two-liquid valve 110 includes a first liquid supply valve 112 and a second liquid supply valve 114, respectively providing a main agent and a hardener, and mixing uniformly in the agitating tube 120.

The main agent and the hardener are input to the first liquid supply valve 112 and the second liquid supply valve 114 via the first liquid supply valve 112 and the first liquid inlet 116 and the second liquid inlet 118 of the second liquid supply valve 114. The rotor and the stator of the first liquid supply valve 112 and the second liquid supply valve 114 are further sent to the agitating tube 120. In addition, the two-liquid valve 110 may also be composed of two single-liquid valves, but the present invention is not limited thereto.

The main agent may be a glue such as an epoxy resin, a polyurethane or an organic hydrazine, and is mixed with a hardener at a predetermined ratio, for example, a ratio of 10:1, but the present invention is not limited thereto. It can be appropriately mixed depending on the components of the main agent and the hardener used.

In one embodiment, the first liquid supply valve 112 and the second liquid supply valve 114 use a micro screw valve, such as a Mono pump, to deliver the desired liquid, which has a double-headed spiral. The stator of the elastic cavity bushing is combined with a rotor that meshes therewith. When the rotor is continuously rotated in the stator, the formed sealing chamber is sucked into the main agent and the hardener by the first liquid inlet 116 and the second liquid inlet 118 in the axial direction due to the pressure, and then output to the agitating tube 120.

The agitator tube 120 is coupled to the two-fluid valve 110, preferably having a shorter length and having fewer blade numbers to reduce the residence time of the primary agent and the hardener. In one embodiment, the agitating tube 120 has 10 or less mixing blades, preferably 12 or less mixing blades, to sufficiently mix the main agent with the hardening agent, and to reduce the mixed liquid in the agitating tube 120. The time of staying in. Wherein, the aforementioned blade is preferably a plurality of mixing blades formed by a spiral blade, and has approximately eight 360-degree blade connections.

After the main agent and the hardener are sufficiently mixed in the agitating tube 120, they are sent to the Y-type manifold 130 connected to the agitating tube 120, and then through the dispensing port 142 of the dispensing needle 140 connected to the Y-manifold 130. Dispensing process.

In one embodiment, the micro-two-liquid dispensing gel of the micro-two-liquid dispensing device 100 is supplied in an amount of less than about 150 milligrams per second, preferably in a supply of 110 millimeters per second.

The Y-type manifold 130 of the micro-two-liquid dispensing device 100 disclosed in one embodiment of the present invention includes a manifold thimble 132 for controlling the supply amount of the micro-liquid mixture.

In one embodiment, the micro-two-liquid dispensing device 100 further includes a driving module 150 coupled to the manifold thimble 132 to control the supply of the micro-liquid mixing glue. The driving module 150 includes a pneumatic cylinder 152, a driving rod 154 is disposed in the pneumatic cylinder 152, and a collet 158 is disposed at one end of the driving rod 154 for clamping the manifold ejector 132 to interlock the two However, the present invention is not limited thereto, and it may be linked to each other through other components. When the pneumatic cylinder 152 moves the drive rod 154, the manifold thimble 132 can open the valve in the Y-manifold 130 to provide the trace two-liquid mixing glue required to dispense the needle 140, or to close the valve to stop supplying the micro-double Liquid mixed glue. In an embodiment, the pneumatic cylinder 152 may be a fine-tuning stroke cylinder for accurately controlling the stroke and the amount of glue dispensed. The new type is not limited to this. The chuck 158 can be a three-jaw chuck or a multi-jaw chuck, preferably a self-aligning chuck.

In one embodiment, the drive module 150 further includes a slide stabilizer 156 mounted between the drive rod 154 and the collet 158 to stabilize the drive rod 154 to move the manifold thimble 132. The slide stabilizer 156, such as a combination of a slide rail and a slider, can stably move the manifold thimble 132 to open or close the valve in the Y-manifold 130.

In one embodiment, the micro-two-liquid dispensing device 100 further includes a fixing base 160 for fixing the two-liquid valve 110 and the driving module 150.

The mount 160 includes a bottom plate 162, a bracket 164, and a two-liquid valve mount 166. The bracket 164 is fixed on the bottom plate 162 for supporting components such as the dispensing needle 140 and the Y-shaped manifold 130, and the two-liquid valve fixing seat 166 is also fixed on the bottom plate 162 for fixing the two-liquid valve 110. And to form the desired angle and height with the dispensing tip 140.

In an embodiment, the micro-two-liquid dispensing device 100 further includes a manifold holder 170 fixed on the fixing base 160 and having components such as a handle and a cam to press the Y-shaped manifold 130 and the dispensing needle 140. Fixed to the bracket 164, the Y-shaped manifold 130 and the dispensing needle 140 can also be conveniently released by the handle to facilitate replacement of the Y-shaped manifold 130 and the dispensing needle 140.

In an embodiment, the dispensing needle 140 can be a precision metal needle, such as a precision metal needle formed of a stainless steel material. However, the present invention is not limited thereto, and it can also be a precision plastic needle. The spirit and scope of this new type.

In one embodiment, the micro-two-liquid dispensing device 100 further includes a cooling and cooling device 180 that blows the stirring tube 120, the Y-shaped manifold 130, and the dispensing needle 140 by using a vortex cooling tube system, for example, providing 0 degrees Celsius to A low temperature gas of 4 degrees Celsius to lower the working temperature, thereby prolonging the hardening time of the micro-liquid mixture.

In summary, the micro-liquid dispensing device disclosed in the present invention can effectively reduce the residence time of the micro-liquid mixing glue in the mixing tube, and provide a small supply of a small two-liquid mixing glue to supply precision electrons. The demand for micro-dispensing of the dispensing process in the industry can prolong the hardening time of the micro-liquid mixing glue and avoid the problem of premature hardening of the glue in the dispensing process.

The specific embodiments of the present invention are disclosed in the above embodiments, and are not intended to limit the present invention. Those of ordinary skill in the art to which the present invention pertains, without departing from the spirit and scope of the present invention, Various changes and modifications may be made thereto, and the scope of protection of the present invention is defined by the scope of the accompanying claims.

Claims (10)

A micro-two-liquid dispensing device comprises: a double liquid valve; a stirring tube connected to the two-liquid valve; a Y-shaped manifold connected to the stirring tube; and a plastic needle head connected to the Y-shaped differential Tube to provide a trace of two-liquid mixing gel. The micro-liquid dispensing device of claim 1, wherein the micro-liquid mixing gel is supplied in an amount of less than about 150 mg per second. The micro-liquid dispensing device of claim 1, wherein the micro-liquid mixing gel is supplied in an amount of about 110 mg per second. The micro-liquid dispensing device according to claim 1, wherein the two-liquid valve comprises a first liquid supply valve and a second liquid supply valve, respectively providing a main agent and a hardener, and mixing the mixing tube Uniform, and the first liquid supply valve and the second liquid supply valve are both micro screw valves. The micro-two-liquid dispensing device of claim 4, wherein the agitating tube comprises 12 or less mixing blades, and the Y-shaped manifold comprises a manifold thimble to control the supply of the micro-liquid mixing glue. The micro-liquid dispensing device according to claim 5, further comprising a driving module connected to the manifold thimble to control the supply amount of the micro-liquid mixing glue. The micro-liquid dispensing device of claim 6, wherein the driving module comprises: a pneumatic cylinder; a driving rod disposed in the pneumatic cylinder; and a collet disposed at one end of the driving rod For connecting to the manifold thimble, wherein the pneumatic cylinder is a fine-tuning stroke cylinder. The micro-liquid dispensing device of claim 7, wherein the driving module further comprises a sliding stabilizer to stably move the driving ejector pin. The micro-liquid dispensing device of claim 8, further comprising: a fixing base; and a manifold holder fixed to the fixing seat, wherein the fixing seat is used for fixing the two-liquid valve and the The module is driven, and the manifold holder is used to mount the Y-shaped manifold and the dispensing needle. The micro-liquid dispensing device of claim 9 further comprising a cooling and cooling device for cooling the mixing tube, the Y-shaped manifold and the dispensing needle.