JP3062883U - Hot melt gun - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a gas flameless combustion type hot melt gun which has high heat conduction efficiency and does not cause catalyst damage. A piston ring is provided at an air gate in a heating mechanism of a gun body, a connecting rod is provided between the piston ring and an ignition button, and the ignition button is pressed to link the connecting rod. After the igniter generates a spark and the eruption head emits a flame to generate a thermal effect on the catalyst, the ignition button is further opened, and the piston ring linked to the connecting rod closes the air gate to shut off the ingress of air and the flame After generating a thermal effect on the catalyst, the gas is turned into flameless combustion, and the heat is conducted to the heat guide tube to melt the hot melt adhesive strip, and the flame after the thermal effect is generated on the catalyst. Thus, it is configured to prevent a decrease in thermal efficiency due to direct heating and a situation in which the catalyst is damaged.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a kind of hot melt gun, in particular, a flame emitted by a heating mechanism in a gun body generates a thermal effect on a catalyst, then immediately extinguishes the flame, promotes gas flameless combustion on the catalyst, and heat pipes. The present invention relates to a gas flameless combustion type hot melt gun in which heat is applied to a hot melt adhesive strip to be heated and discharged from a metal head of the gun body.

[0002]

[Prior art]

 Traditional hot melt guns consist of a coil, a magnet rod ignition system and a gas tank, a gas inlet tube and a push rod, in which a double-fillable gas can is placed in the grip of the gun body and the gas inlet tube is drawn out. It is pulled out of the hole, its front end is used as a nozzle, the adjustment screw is placed at an appropriate position on the gas introduction pipe, and it is fixed with one adjustment ring, and the adjustment trigger rod is located on the side of the adjustment ring outside the gun body. A torsion spring and a holding piece are provided at the rear of the trigger, and the position is set to the position where the coil box is just pushed to move the coil into the magnet bar in the magnet bar box. After a spark is generated at the end of the extended ignition wire and the trigger is triggered, the push rod sends the gas introduction pipe forward, the nozzle enters the combustion chamber, and the coil and the magnet rod are fitted. Was A spark is sent to the nozzle portion by the ignition line, the combustion of gas, are as hot melt adhesive strip in the molten bath is issued ejection from the discharge port of being well cancer is thermally melted. The design of such a hot melt gun uses a nozzle to blow a flame directly to heat the melting tank. However, there is a risk that the flame cannot be controlled due to the operation, and the heat efficiency of heating the melting tank is extremely low. Therefore, the development of the catalyst heating method and the electronic igniter has been promoted, The hot-melt gun adopted in the above has greatly improved the above-mentioned ignition system, and heats the catalyst with the flame emitted from the nozzle, and also heats and melts the hot-melt adhesive strip by the thermal effect of the catalyst, resulting in operational problems. And the thermal efficiency of heating and melting the hot melt adhesive strip has been greatly improved.

[0003] However, after the catalyst has been directly heated by the flame to generate a thermal effect, it cannot be further directly heated by the flame. Otherwise, the thermal efficiency of the catalyst was lowered and the catalyst function was easily damaged. Therefore, when the thermal effect of the catalyst reaches a certain temperature, it is necessary to extinguish the flame. However, the hot melt gun is not provided with an air valve or a piston ring structure to shut off the inflow of air, and the operator must use other tools or extinguish the flame with his mouth. It was very troublesome and dangerous because of the extremely high flame temperature.

In addition, there is a rechargeable hot melt gun in which a rechargeable secondary battery set and a heating coil connected to the rechargeable battery set are provided in the hot melt gun. Such a hot-melt gun uses a secondary battery set to heat the heating coil to melt the hot-melt adhesive strip, and eliminates the danger of the flame of the flame type gas hot-melt gun. However, the rechargeable hot-melt gun has a finite amount of rechargeable power, its usable time is quite short, and it takes a certain amount of time to charge. Therefore, it cannot be applied to prolonged use in general workplaces. Was. Although the rechargeable hot melt gun is provided with a connection device to an external power supply, it was not convenient to connect to the external power supply in some situations. In addition, rechargeable hot-melt guns cannot be equipped with a temperature controller, which may cause the heating coil to overheat and carbonize the hot-melt adhesive, as well as short-circuiting and electromagnetic interference. Occurred.

[0005]

[Problems to be solved by the invention]

 The main object of the present invention is to solve the above-mentioned drawbacks of the prior art and to eliminate the drawbacks, that is, the present invention aims to provide a kind of hot melt gun, which consists of heating the gun body. A piston ring is provided at the air gate in the mechanism, a connecting rod is provided between the piston ring and the ignition button, and the ignition button is depressed, the connecting rod interlocks, the igniter generates a spark, and the eruption head burns the flame. After generating a thermal effect on the catalyst, the ignition button is opened and the piston ring linked to the connecting rod closes the air gate to shut off the ingress of air and extinguish the flame, which has a thermal effect on the catalyst. After the gas is generated, the gas is converted to flameless combustion, and the heat is transferred to the heat guide tube to melt the hot melt adhesive strip. It is so as to prevent the occurrence of situations of damage to the catalyst and.

Another object of the present invention is to provide a kind of hot melt gun, in which a flow control valve is provided in a flow valve in a grip and a flow control is provided at a position corresponding to the flow control of the grip. An adjustment hole for exposing the knob to the outside is provided, the gas flow can be adjusted, and a display window is provided in the gas tank portion of the grip so that the remaining gas amount in the gas tank can be displayed.

[0007] Yet another object of the present invention is to provide a kind of hot melt gun, in which a joining part is provided at a front end of a temperature collecting part of a melting mechanism, and a bolt is screwed into the joining part. A perforation is provided at the front end of the gun body at a position corresponding to the joint to prevent the release of the heat source, and various tool heads are passed through the perforation and fixed to the joint, and the operator can directly operate the hot melt gun. It is assumed that the system has been operated so that other work can proceed.

[0008]

[Means for Solving the Problems]

 The invention of claim 1 is composed of a gun body (1) and a grip (2), and at least a gas tank (3) and a flow valve (31) connected to the gas tank (3) are provided in the grip (2). In a hot melt gun in which a gas delivery head (32) and a flow knob (33) are provided in the flow valve (31), a heating mechanism (4) and a melting mechanism (5) are provided in the gun body (1). The heating mechanism (4) has a nozzle (41) and an ignition structure composed of an electronic igniter (42), an eruption head (43) and an ignition button (44) exposed outside the gun body (1). A connecting pipe (46) is provided between the nozzle (41) and the eruption head (43), and an air gate (461) for inflow of air is opened in the connecting pipe (46). The air gate (461) is provided with a piston ring (462), a connecting rod (47) is provided between the piston ring (462) and the ignition button (44), and the melting mechanism (5) is provided with a hot melt adhesive. Article (54) A heat collecting part (52) is provided at a position corresponding to the eruption head (43) of the heat conduit (51), and the heat collecting part (52) and the eruption head (43) are provided. ), A protective sleeve (53) is provided, a catalyst (56) is mounted in the temperature collecting section (52), the above-mentioned ignition button (44) is pressed, and the connecting rod (47) is interlocked to operate the electronic device. A spark is generated in the igniter (42) and a flame is blown out to the eruption head (43) to heat the catalyst (56) and generate a thermal effect on the catalyst (56), and the ignition button (44) is opened. The connecting rod (47) shields the air ring (461) with the piston ring (462), extinguishes the flame, promotes gas-free combustion on the catalyst (56), and heats the catalyst (56) directly by the flame after the thermal effect occurs The hot melt gun is constructed so that the heat transfer efficiency is not reduced and the catalyst is not damaged. According to the invention of claim 2, the flow valve (31) is provided with a flow knob (33), and the flow knob (33) is exposed to the outside at a position corresponding to the flow knob (33) in the grip (2). The hot melt gun according to claim 1, wherein a hole (21) is provided, and a temperature of the catalyst (56) can be controlled by adjusting a gas flow rate. According to a third aspect of the present invention, the melting mechanism (5) includes an extruding device (6) pivotally connected to a grip (2), and one end of the extruding device (6) is a force applying portion (61); An interlocking rod (62) is pivotally connected to the other end, and a holding piece (63) is fixed to the interlocking rod (62) so that the hot-melt adhesive strip (54) is pushed forward to be moved. The hot melt gun according to claim 1.

[0009]

[Embodiment of the invention]

 As shown in FIG. 1, the present invention is composed of a gun body (1) and a grip (2), and in the grip (2), a gas tank (3) and a flow valve (31) connected to the gas tank (3). The flow valve (31) is provided with a gas delivery head (32) and a flow knob (33), the grip (2) is provided with an adjustment hole (21), and the adjustment hole (21) is provided. The flow control knob (33) is exposed to the outside and used to adjust the gas flow rate.In addition, a display window (22) is opened in the portion of the grip (2) corresponding to the gas tank (3), and the inside of the gas tank (3) is opened. The remaining gas amount can be displayed. Further, a heating mechanism (4) and a melting mechanism (5) are provided in the gun body (1), and the heating mechanism (4) includes a nozzle (41) and an ignition structure, and the ignition structure is an electronic type. It is composed of a firearm (42), an eruption head (43) and an ignition button (44) arranged on the surface of the gun body (1). An ignition wire (48) is arranged between the electronic igniter (42) and the eruption head (43), and one end of the nozzle (41) is used as a gas introduction head (411). ) And the above-mentioned gas delivery head (32) are connected by a gas introduction pipe (45), and a connection pipe (46) is arranged between the other end of the nozzle (41) and the eruption head (43). The pipe (46) is provided with an air gate (461) provided for inflow of air, and the air gate (461) is provided with a piston ring (462), between the piston ring (462) and the ignition button (44). A connecting rod (47) is arranged.

In addition, the above-mentioned melting mechanism (5) includes a heat pipe (51) equipped with a hot melt adhesive strip (not shown), and a position corresponding to the eruption head (43) of the heat pipe (51). There is provided a temperature collecting section (52), and there is a protective sleeve (53) having a gas hole (531) between the temperature collecting section (52) and the eruption head (43). A catalyst (56) is provided in the temperature collecting portion (52), and a joining portion (57) is provided at a front end of the temperature collecting portion (52), and one bolt (58) is joined to the joining portion ( The gun body (1) is screwed in to prevent the heat source from being released.In addition, perforations (59) are provided at positions corresponding to the joints (57) at the front end of the gun body (1), and various tool heads (8) are provided. The various tool heads (8) can be formed as stamp heads, irons, hot air blowers, hot melt cutters, or styrofoam cutters through the perforations (59) so as to be fixed to the joint (57). An extruding device (6) is provided at a position inside the grip (2) of the melting mechanism (5), and one end of the extruding device (6) is used as a force applying portion (61), and the other end is an interlocking rod ( 62), the holding piece (63) is fixed to the interlocking rod (62), and the hot melt adhesive strip is sent forward by the force applied to the force applying portion (61) of the pushing device (6). It is like that.

Please refer to FIG. 2 and FIG. The gas in the gas tank (3) passes through the gas delivery pipe (45) from the gas delivery head (32) of the flow valve (31) by opening the flow control knob (33) exposed to the outside at the grip (2). It flows into the introduction head (411), is ejected from the nozzle (41) to the connecting pipe (46), and is mixed with the air flowing from the air gate (461) in the connecting pipe (46) at an appropriate ratio. 43) Squirted from. At this time, when the ignition button (44) provided on the gun body (1) is pressed, the connecting rod (47) pushes the electronic igniter (42) to generate a spark by using the ignition wire (48). Then, the mixed gas ejected from the eruption head (43) forms a flame, and the catalyst (56) of the temperature collecting part (52) is heated to generate a thermal effect at a certain temperature (about 2-3 seconds). ), The ignition button (44) is released, and the connecting rod (47) returns to the original position. At this time, the connecting rod (47) moves the piston ring (462) in conjunction with the piston ring (462). The air gate (461) is blocked for a while, the air flowing from the air gate (461) is shut off, the ratio of the gas mixture changes, and the flame ejected from the eruption head (43) disappears. However, the gas mixture continuously ejected by the eruption head (43) progresses in flameless combustion by the catalyst (56), which has already generated a thermal effect, and heat is transferred from the temperature collecting part (52) to the heat conduit (51). Conducted.

Further, as shown in FIG. 4, when a force is applied to the force applying portion (61) of the pushing device (6), the interlocking rod (62) pivotally connected to the pushing device (6) is held by the holding piece. (63), the hot melt adhesive strip (54) sent from the inlet pipe (55) at the rear end of the gun body (1) is sent forward, and the hot melt adhesive strip (54) is The molten hot melt adhesive is heated and melted in), and is injected from the metal head (7) at the front end of the gun body (1). The operator can adjust the gas flow rate with the flow knob (33) of the grip (2) to adjust the temperature of the flameless combustion of the gas by the catalyst (56), and the gas tank (3) from the display window (22) of the grip (2). The gas volume inside the gas tank can be checked, and when the gas volume is insufficient, the gas can be refilled into the gas tank (3) from the grip (2) gas filling valve (9) at the bottom end using a gas can (not shown). Thus, the hot melt gun can be used continuously.

[0013] The interlocking rod (62) is pushed and moved by the ignition button (44), an ignition operation is performed by the electronic igniter (42), and after the ignition button (44) is opened, an air gate (461) is attached to the piston ring (462). After blocking the inflow of air, the flame erupting from the eruption head (43) generates a thermal effect on the catalyst (56), then extinguishes the flame, and the catalyst (56) burns the gas without flame. As a result, the catalyst (56) proceeds through the entire combustion heat conduction, and after the catalyst (56) generates a thermal effect, the catalyst (56) is not directly heated by the flame, so that the thermal efficiency is reduced and the catalyst (56) is damaged. No situation arises. In addition, the use of a gas filling system eliminates the problem of operating time and is convenient to carry.Furthermore, by adjusting the gas flow rate with the flow control knob (33), it is possible to reduce the flameless combustion of the catalyst (56). Temperature can be adjusted.

FIG. 5 shows an embodiment of the present invention. As shown in the figure, a perforation (59) is provided at the front end of a gun body (1), and a bolt (58) is connected to a heat collecting section. After being removed from the joint (57) of (52), various tool heads (8) can be fixed to the joint (57) through the perforations (59). One end of the tool head (8) is provided with a thread for connection with the joint (57) so that the tool head (8) is heated by the heat conducted by the catalyst (56) so that the work can proceed. It is. This tool head (8) is a tool such as a ironing iron, a stamp head, a hot air blower, a hot melt cutter or a styrofoam cutter, and the operator can directly operate the hot melt gun of the present invention for another work. It is possible to do it.

[0015]

[Effect of the invention]

 The hot melt gun of the present invention generates a thermal effect on the catalyst by the flame emitted from the heating mechanism in the gun body, then immediately extinguishes the flame, makes the catalyst use gas-free flame combustion, and conducts heat to the heat pipe to make it hot. It is a gas flameless combustion hot melt gun that melts the melt adhesive strip and discharges it from the metal head of the gun body. After the combustion heat transfer proceeds, the catalyst is not directly heated by the flame after generating the thermal effect, so there is no reduction in thermal efficiency or damage to the catalyst. In addition, since the gas filling system is adopted, there is no problem of usage time and it is convenient to carry, and the temperature of the catalyst can be adjusted to flameless combustion by adjusting the gas flow rate with the flow control knob. Furthermore, after the bolts are removed from the joint of the temperature collecting section, various tool heads can be fixed to the joint, the tool head can be heated by the heat conducted by the catalyst, and the work can proceed, so that the operator can use the hot head of the present invention. Melt guns can be used directly for other tasks. Thus, the present invention can be said to have practicality, novelty, and industrial value.

[Brief description of the drawings]

FIG. 1 is an end sectional view of the present invention.

FIG. 2 is a view showing a gas flow path according to the present invention.

FIG. 3 is a view showing the combustion and extinguishing of the flame of the present invention.

FIG. 4 is a view showing a resin strip feeding operation of the present invention.

FIG. 5 is a schematic view showing an embodiment of the present invention.

[Explanation of symbols]

 (1) Gun body (2) Grip (3) Gas tank (31) Flow valve (32) Gas delivery head (33) Flow knob (21) Adjustment hole (22) Display window (4) Heating mechanism (5) Melting mechanism ( 41) Nozzle (42) Electronic igniter (43) Eruption head (44) Ignition button (48) Ignition wire (411) Gas introduction head (45) Gas introduction pipe (46) Connecting pipe (461) Air gate (462) Piston Ring (47) Connecting rod (51) Heat conduit (52) Heat collector (531) Gas hole (53) Protective sleeve (56) Catalyst (57) Joint (58) Bolt (59) Drilling (8) Tool head ( 6) Extrusion device (61) Applied part (62) Interlocking rod (63) Clamping piece (54) Hot melt adhesive strip (7) Metal head

Claims (3)

[Utility model registration claims] A gas tank (3) and a gas tank (1) are composed of a gun body (1) and a grip (2).
A hot melt gun provided with at least a flow valve (31) connected to (3), and a gas delivery head (32) and a flow knob (33) provided on the flow valve (31); A heating mechanism (4) and a melting mechanism (5) are provided therein, and the heating mechanism (4) includes a nozzle (41) and an electronic igniter (4).
2), an ignition structure composed of an eruption head (43) and an ignition button (44) exposed to the outside of the gun body (1), and a connecting pipe between the nozzle (41) and the eruption head (43). (46) is provided,
An air gate (461) for inflow of air is opened in the connecting pipe (46), a piston ring (462) is provided in the air gate (461), and a piston ring (462) and an ignition button (44) are provided between the piston ring (462) and the ignition button (44). A connecting rod (47) is provided, and the melting mechanism (5) includes a heat pipe (51) on which a hot melt adhesive strip (54) is mounted, and an eruption head (43) of the heat pipe (51).
A temperature collecting part (52) is provided at a position corresponding to the temperature collecting part (52).
Between the eruption head (43) and a protective sleeve (53),
A catalyst (56) is mounted in the temperature collecting section (52), the above-mentioned ignition button (44) is pressed, the connecting rod (47) is linked, and a spark is generated in the electronic igniter (42) to cause an eruption head. A flame is blown out to (43) to heat the catalyst (56) to generate a thermal effect on the catalyst (56), the ignition button (44) is opened, and the connecting rod (47) is connected to the piston ring (462) by the air gate (461). ), Extinguish the flame, promote gas-free combustion in the catalyst (56), and without being directly heated by the flame after the catalyst (56) generates a thermal effect,
A hot melt gun configured to prevent a reduction in heat transfer efficiency and catalyst damage. The flow valve (31) is provided with a flow knob (33), and an adjustment hole (33) for exposing the flow knob (33) to the outside in a position corresponding to the flow knob (33) in the grip (2). 21. The hot melt gun according to claim 1, wherein the hot melt gun is provided with 21) and the temperature of the catalyst (56) can be controlled by adjusting the gas flow rate. 3. An extruding device (6) pivotally connected to a grip (2), said melting mechanism (5) having one end serving as a force applying portion (61) and the other end being connected to the other end. The interlocking rod (62) is pivotally connected, the holding piece (63) is fixed to the interlocking rod (62), and the hot melt adhesive strip (54) is pushed forward to move. The hot melt gun according to claim 1.