WO2020155685A1

WO2020155685A1 - Handheld glue gun with controllable temperature

Info

Publication number: WO2020155685A1
Application number: PCT/CN2019/112978
Authority: WO
Inventors: 汪海
Original assignee: 南京苏上涂胶技术有限公司
Priority date: 2019-01-30
Filing date: 2019-10-24
Publication date: 2020-08-06
Also published as: CN209020710U

Abstract

Disclosed is a handheld glue gun with controllable temperature, which is a gluing device and comprises two parts: a handheld glue gun body and an auxiliary assembly. The handheld glue gun body comprises: a handle grip (1), a cylinder tube (2) fixedly mounted on the handle grip (1), a heating assembly (3) arranged outside the cylinder tube (2), and an air-controlled switch (6) connected to the cylinder tube (2). The auxiliary assembly comprises: a shell (11), a control assembly and an air compressor which are arranged inside the shell (11), and a pressure-regulating valve (16) arranged on one side of the shell (11). With regard to the handheld glue gun with controllable temperature, the auxiliary assembly is independent from the handheld glue gun body and is connected to the handheld glue gun body by means of an electrical/air pipeline so as to reduce the weight of the handheld part, a two-position three-way mechanical control valve controls air to enter the cylinder tube so as to push a piston on the base of a supporting glue tube to extrude a glue for gluing, thereby achieving automatic discharging, and the heating assembly heats the glue in the supporting glue tube to improve flowing of the glue, thereby solving the problem of existing devices being heavy in terms of overall weight, and also achieving controllability for both the glue discharge flow rate and the heating temperature.

Description

Hand-held temperature control glue gun

Technical field

The utility model belongs to a glue application device, in particular a hand-held temperature control glue gun.

Background technique

The current method of automobile glue application is: inject the glue in the storage tank (25L, 50L, 200L) into the workpiece through the glue application equipment and the glue gun. Since the glue application equipment and the glue gun are connected through the pipeline, due to the limitation of the connecting pipeline, this makes it inconvenient to operate the workpieces that require certain operating angles. Moreover, because the barreled glue has a warranty period, but some processes have a small amount of glue, often the glue is still not used up until the expiration date, resulting in great cost waste.

There are also a certain amount of hand-held temperature control glue guns on the market, but because the glue guns are equipped with heating devices and pressure equipment, the heating devices include voltage conversion components, temperature control components and heating elements, and the pressure equipment includes pressure adjustment components. And pressure delivery components. Therefore, the weight of the existing hand-held automatic discharging glue gun is relatively large, and the weight of the entire hand-held glue gun is more than 5 kg, together with the glue glue stored in the glue gun. In actual use, the operator's physical exertion is relatively large, which is not convenient for long-term use.

technical problem

The purpose of the utility model is to provide a hand-held temperature-controlled glue gun to solve the problem of large overall weight of the same type of glue gun in the existing equipment, and to take into account the controllable glue flow and heating temperature.

Technical solutions

A hand-held temperature control glue gun includes two parts: a hand-held glue gun and an auxiliary component.

The hand-held glue gun includes: a handle grip, a cylinder fixedly mounted on the handle grip, a heating assembly arranged outside the cylinder, and a first air joint arranged at the bottom end of the handle grip. The second air joint at the connection between the handle grip and the cylinder barrel is an air control switch provided on the connection channel between the first air joint and the cylinder barrel;

The auxiliary component is independent of the hand-held glue gun and is connected to the hand-held glue gun through an electric/air pipeline; it includes: a housing, a switch, an operation button, a display screen and a first input provided on the housing An air port, a control assembly and a gas compressor arranged inside the casing, and a pressure regulating valve arranged on one side of the casing.

In a further embodiment, the pneumatic switch includes: a trigger button fixed on the handle grip by a pin, a two-position three-way mechanical control valve fixedly installed on the handle grip, and On the two-position three-way mechanical control valve, a second air inlet connected to the first air joint, a first air outlet connected to the second air joint, and a second air outlet connected to the cylinder barrel are respectively provided on the two-position three-way mechanical control valve.

In a further embodiment, one end of the trigger button is in contact with the switch of the two-position three-way mechanical control valve.

In a further embodiment, the heating component is a plurality of groups of heating resistors, and is electrically connected to the auxiliary component.

In a further embodiment, a protective shell is fixedly installed on the outside of the cylinder barrel, a gun head is fixedly installed on the front side of the cylinder barrel, and an air distribution end cover is fixedly installed on the rear side of the cylinder barrel to form a closed space.

In a further embodiment, the pressure regulating valve and the gas joint are connected by a pipeline.

In a further embodiment, an electrical plug is provided at the bottom of the handle grip and is electrically connected to the auxiliary component and the heating component.

Beneficial effect

The utility model relates to a hand-held temperature-control glue gun. The auxiliary component is independent of the hand-held glue gun and is connected with the hand-held glue gun through an electric/air pipeline, which greatly reduces the weight of the hand-held part. The three-way mechanical control valve controls the compressed gas to enter the cylinder, pushes the piston fixed on the base of the rubber cylinder in the cylinder, and squeezes the glued rubber material to realize automatic discharging; the rubber cylinder is heated by the heating component The inner glue can adjust the heating temperature for different types of glue to improve the fluidity of the glue. The problem that the overall weight of the same type of glue gun in the existing equipment is relatively large is solved, and the controllability of the glue flow rate and the heating temperature can be taken into account at the same time.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the handheld glue gun of the present invention.

Figure 2 is a cross-sectional view of the handheld glue gun of the present invention.

Figure 3 is a schematic view of the structure of the auxiliary component of the present invention.

Figure 4 is a partial enlarged view of the pneumatic switch of the present invention.

The reference signs are: handle grip 1, cylinder barrel 2, heating assembly 3, first air connector 4, second air connector 5, air control switch 6, electrical plug 7, protective shell 8, gun tip 9, air distribution terminal Cover 10, housing 11, first switch 12, operation button 13, display screen 14, first air inlet 15, pressure regulating valve 16, trigger button 601, two-position three-way mechanical control valve 602, second air inlet 603. The first air outlet 604, the second air outlet 605, and the second switch 602a.

Embodiments of the invention

In the following description, a lot of specific details are given to provide a more thorough understanding of the present invention. However, it is obvious to those skilled in the art that the present invention can be implemented without one or more of these details. In other examples, in order to avoid confusion with the present invention, some technical features known in the art are not described.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship of other indications is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation and The azimuth structure and operation of, therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.

As shown in Figures 1-2, a hand-held temperature-control glue gun includes two parts: a hand-held glue gun and an auxiliary component.

The hand-held glue gun includes: a handle grip 1, a cylinder barrel 2, a heating assembly 3, a first air connector 4, a second air connector 5, an air control switch 6 and an electrical plug 7. Wherein, the cylinder tube 2 is perpendicular to the axis of the handle grip 1 and is fixedly mounted on the handle grip 1, the heating assembly 3 is arranged outside the cylinder tube 2, and the first air joint 4 is arranged on the handle grip At the bottom end of the handle 1, the second air connector 5 is set at the connection between the handle grip 1 and the cylinder barrel 2, and the air control switch 6 is set on the connection channel between the first air connector 4 and the cylinder barrel 2, and the electrical plug 7 It is arranged at the bottom end of the handle grip 1 and is electrically connected to the heating assembly 3. Among them, the cylinder tube 2 is used to fix a rubber-filled rubber cylinder, and the rubber-filled cylinders sold in the market have a piston at the bottom.

As shown in FIG. 4, the air control switch 6 includes: a trigger button 601 fixed on the handle grip 1 by a pin, and a two-position three-way mechanical control valve 602 fixedly installed on the handle grip 1 , The second air inlet 603 connected to the first air connector 4, the first air outlet 604 connected to the second air connector 5 and the cylinder barrel 2 are provided on the two-position three-way mechanical control valve 602 The second air outlet 605. Wherein, one end of the trigger button 601 is in contact with the second switch 602a of the two-position three-way mechanical control valve 602. When the glue gun is used, the compressed gas enters from the second air inlet 603 and is directly discharged from the first air outlet 604; when the trigger button 601 is pressed, the upper end of its upper end will shift to the side of the two-position three-way mechanical control valve 602 , Press down the second switch 602a of the two-position three-way mechanical control valve 602, the compressed gas changes the operating channel, is discharged from the second air outlet 605, and enters the cylinder.

As a preferred solution, a protective housing 8 is fixedly installed on the outside of the cylinder tube 2, a gun head 9 is fixedly installed on the front side of the cylinder tube 2, and a gas distribution end cover 10 is fixedly installed on the rear side of the cylinder tube 2 to form a closed space to ensure Air tightness of hand-held glue gun.

As a preferred solution, the heating component 3 is a plurality of groups of heating resistors, and is electrically connected to the auxiliary component. It is used to heat the glued compound to improve the fluidity of the glued compound.

As shown in FIG. 3, the auxiliary component is independent of the hand-held glue gun, which includes: a housing 11, a first switch 12 provided on the housing 11, an operation button 13, a display screen 14 and a first air inlet Port 15, a control component and a gas compressor (not shown in the schematic diagram) arranged inside the casing 11, and a pressure regulator arranged on one side of the casing 11 and connected to the air outlet of the gas compressor Valve 16; its pressure regulating valve 16 is connected with the first gas joint 4 of the hand-held glue gun through a pipeline. And the electrical plug 7 of the handheld glue gun is also electrically connected to the auxiliary component. The auxiliary component provides pressure and stable voltage for the hand-held glue gun, and at the same time can control the heating power of the heating component 3 in the hand-held glue gun. A better improvement can be made on the basis of this embodiment, that is, the compressed gas provided to the hand-held glue gun can be preheated in the auxiliary assembly and then delivered to the hand-held glue gun. The heating component in the hand-held glue gun 3 only plays a role in temperature control.

In order to facilitate the understanding of the technical solution of the hand-held temperature-control glue gun, a brief description of its working process is given: During use, first fix the glue cylinder with glue to the cylinder 2, and open the first part of the auxiliary assembly. The switch 12 sets the heating power of the heating assembly 3 for different glued rubber materials, and needs to ensure the air tightness of the hand-held glue gun; when the trigger button 601 is pressed, the gas is delivered to the In the cylinder 2, the air pressure is generated by the injected gas to push the piston at the bottom of the rubber cylinder containing the glued rubber; the squeezed glued rubber is sprayed from the gun head 9, which is a complicated process for a single small batch Car parts are glued.

In addition, it should be noted that the various specific technical features described in the foregoing specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, various possible combinations of the present invention will not be described separately.

Claims

A handheld temperature control glue gun, which is characterized in that it comprises:

The hand-held glue gun includes: a handle grip, a cylinder fixedly mounted on the handle grip, a heating assembly arranged outside the cylinder, and a first air joint arranged at the bottom end of the handle grip. The second air joint at the connection between the handle grip and the cylinder barrel is an air control switch provided on the connection channel between the first air joint and the cylinder barrel;

The auxiliary component is independent of the hand-held glue gun and is connected to the hand-held glue gun through an electric/air pipeline; it includes: a housing, a switch, an operation button, a display screen and a first input provided on the housing An air port, a control assembly and a gas compressor arranged inside the casing, and a pressure regulating valve arranged on one side of the casing.
The handheld temperature control glue gun according to claim 1, wherein the air control switch comprises: a trigger button fixed on the handle grip by a pin, and two fixedly mounted on the handle grip -Position three-way mechanical control valve, a second air inlet connected to the first air joint, a first air outlet connected to the second air joint, and a cylinder barrel provided on the two-position three-way mechanical control valve The second air outlet.
The hand-held temperature-control glue gun according to claim 2, wherein one end of the trigger button is in contact with the switch of the two-position three-way mechanical control valve.
The hand-held temperature control glue gun of claim 1, wherein the heating component is a plurality of groups of heating resistors and is electrically connected to the auxiliary component.
The hand-held temperature control glue gun according to claim 1, wherein a protective shell is fixedly installed outside the cylinder, a gun head is fixedly installed on the front side of the cylinder, and an air distribution end cover is fixedly installed on the rear side of the cylinder. , To form a closed space.
The hand-held temperature control glue gun of claim 1, wherein the pressure regulating valve is connected to the first gas joint through a pipeline.
The hand-held temperature-control glue gun according to claim 1, wherein an electrical plug is provided at the bottom of the handle grip, and the auxiliary component is electrically connected to the heating component in the hand-held glue gun.