CN211515035U

CN211515035U - Glue squeezing device capable of preventing glue dripping

Info

Publication number: CN211515035U
Application number: CN201921662636.7U
Authority: CN
Inventors: 陈健; 崔玉群
Original assignee: Hangzhou Kelong Electrical Appliance Tools Co ltd
Current assignee: Hangzhou Kelong Electrical Appliance Tools Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-09-18
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a glue squeezing device for preventing glue dripping, which belongs to the technical field of glue squeezing devices and solves the technical problem of glue leakage when the glue squeezing device does not squeeze glue in the prior art, the glue squeezing device of the utility model comprises a glue inlet sleeve, a gun head and a heating component, the gun head comprises a heating pipe and a glue outlet nozzle arranged at the front end of the heating pipe, the rear end of the heating pipe is sleeved with the glue inlet sleeve, the interior of the heating tube is provided with a first cavity and a second cavity communicated with the glue inlet sleeve, the first cavity is communicated with the second cavity and the glue outlet nozzle, the heating component is arranged on the outer side of the heating pipe and heats the first cavity and the second cavity, install the anti-drip subassembly of gluing in the first cavity, the anti-drip subassembly of gluing includes the sleeve and installs the inside ball valve and the spring of sleeve, spring drive the ball valve is closed the sleeve with the opening of second cavity intercommunication.

Description

Glue squeezing device capable of preventing glue dripping

[ technical field ] A method for producing a semiconductor device

The utility model relates to a hot melt adhesive rifle technical field especially relates to a make crowded ware of gluing of preventing glue dripping.

[ background of the invention ]

The glue extruder is widely applied to solid adhesion in the fields of electronic appliances, furniture manufacturing, buildings, decoration engineering and the like, is a device which melts a solid glue rod into liquid glue by electric heating and coats the glue solution on the surface of an object to be adhered, and has the characteristics of small volume, convenient carrying and flexible use.

In the use process, the glue dripping prevention assembly is not arranged at the gun head of the most glue squeezing devices at present, so that after the glue squeezing device is used, the molten glue inside the gun head can flow out from the gun head, the glue leakage phenomenon is caused, and the actual work is inconvenient. In addition, after the glue extruder is placed for a period of time, the molten glue originally positioned at the gun head can be solidified again, so that the phenomenon of blocking the gun head is caused, and the use is influenced.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a glue squeezing device of antidrip glue, can effectively prevent to leak and glue, and can not block up the rifle head yet.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a glue squeezing device of antidrip glue, is including advancing gluey sleeve pipe, rifle head and heating element, the rifle head includes the heating pipe and establishes the play gluey nozzle of heating pipe front end, the rear end of heating pipe with advance gluey sleeve pipe and cup joint, the heating pipe inside have first cavity and with advance the second cavity of gluey sleeve pipe intercommunication, first cavity intercommunication second cavity and play gluey nozzle, heating element installs the heating pipe outside and heating first cavity and second cavity, install antidrip glue subassembly in the first cavity, antidrip glue subassembly includes the sleeve and installs the inside ball valve and the spring of sleeve, spring drive the ball valve is closed the sleeve with the opening of second cavity intercommunication.

Further, the anti-drip glue assembly is installed in the first cavity through the second cavity, and the sleeve is in interference fit with the first cavity.

Furthermore, the second cavity is a conical cavity, the inner diameter of the conical cavity gradually decreases towards the first cavity, the first cavity is a cylindrical cavity, and the inner diameter of the cylindrical cavity is equal to the minimum inner diameter of the conical cavity.

Further, the sleeve is a copper sleeve, and the ball valve and the spring are all metal pieces.

Furthermore, the heating pipe is an electric conductor, the heating component comprises a plurality of heating pieces and two electrode rings, a plurality of heat conducting planes are arranged on the outer side surface of the heating pipe at intervals in the circumferential direction, one of the electrode rings is sleeved on the heating pieces, so that the heating pieces are tightly pressed and attached to the heat conducting planes, and the other electrode ring is sleeved on the heating pipe.

Furthermore, the outer side surface of the heating pipe is also provided with a limit groove which is in one-to-one correspondence with the heat conducting plane, and the heating sheet part is limited in the limit groove.

Furthermore, crowded ware of gluing still includes the suit and is in advance the heat insulating sleeve in gluey sleeve pipe and the heating pipe outside, heating element is located the heating pipe with between the heat insulating sleeve.

Furthermore, the heating pipe with advance rubber sleeve interference fit, be equipped with the draw-in groove on the inside wall of radiation shield, it is in to be equipped with the cartridge on the lateral wall of rubber sleeve insert in the draw-in groove, the front end of radiation shield is equipped with to support and leans on the limiting plate of terminal surface before the heating pipe.

Furthermore, the heat insulation sleeve comprises two half sleeves, and a snap ring for fixedly buckling the two half sleeves is sleeved on the outer side of the heat insulation sleeve.

The utility model has the advantages that:

because the utility model discloses a heating element is used for heating first cavity and second cavity, consequently can make the second cavity temperature rise fast, in order to shorten the melting time of the interior gluey stick of second cavity, realize quick play glue, when carrying out crowded glue operation, the interior molten glue solution of second cavity can be towards going out gluey nozzle direction extrusion ball valve and compression spring, the opening that sleeve and second cavity communicate at this moment is opened, the glue solution flows to the play gluey nozzle through the sleeve, because heating element also heats first cavity, consequently, can guarantee the play gluey temperature of glue solution, the bonding effect of glue solution has been promoted; when the glue squeezing operation is not carried out, the spring resets and drives the ball valve to close the opening of the sleeve communicated with the second cavity, so that the glue dripping phenomenon is avoided, and the waste of glue solution is avoided; in addition, when solidified colloid exists in the first cavity and the glue extruder is used again, the heating assembly can also melt the solid colloid in the first cavity so as to avoid blockage; secondly, the arrangement of the sleeve can also ensure the installation reliability of the ball valve and the spring, and avoid the dislocation of the ball valve and the spring; finally, the anti-drip component can be assembled in advance and then integrally assembled in the first cavity as a component, so that the assembling difficulty is reduced.

The anti-glue-dripping component is arranged in the first cavity through the second cavity, and the sleeve is in interference fit with the first cavity. So design can make heating pipe integrated into one piece to simplify the equipment process, interference fit's mode has also reduced the equipment degree of difficulty simultaneously, has avoided the glue solution to leak between sleeve and the first cavity inner wall.

The second cavity is a conical cavity, the inner diameter of the conical cavity is gradually reduced towards the direction of the first cavity, the first cavity is a cylindrical cavity, and the inner diameter of the cylindrical cavity is equal to the minimum inner diameter of the conical cavity. So design, the toper chamber can guide prevents that the glue dripping subassembly smoothly enters into the cylindricality intracavity to further reduce the installation degree of difficulty of the subassembly of preventing dripping glue.

The sleeve is a copper sleeve, and the ball valve and the spring are all metal pieces. By the design, the deformation caused by heating of the three can be avoided, the installation reliability of the sleeve is ensured, and the sealing performance of the opening of the sleeve communicated with the second cavity is closed by the ball valve.

The heating pipe is the electric conductor, and heating element includes a plurality of pieces and two electrode rings that generate heat, and the lateral surface circumference interval of heating pipe is equipped with a plurality of heat conduction planes, and one of them electrode ring suit is on the piece that generates heat to make the piece that generates heat compress tightly the laminating in heat conduction plane, another electrode ring suit is on the heating pipe. So design, the heating plate need not parcel insulating material, directly heats the gluey stick in the heating tube, has further improved heating efficiency.

The outer side surface of the heating pipe is also provided with limit grooves which are in one-to-one correspondence with the heat conducting planes, and the heating sheet part is limited in the limit grooves. By such design, the heating sheet can be prevented from inclining.

The glue extruder further comprises a heat insulation sleeve sleeved on the outer sides of the glue inlet sleeve and the heating pipe, and the heating assembly is located between the heating pipe and the heat insulation sleeve. By the design, heat loss can be avoided, and meanwhile, the situation that the user is scalded due to temperature rise of the shell can be avoided.

The heating pipe and the rubber sleeve that advances interference fit are equipped with the draw-in groove on the inside wall of heat insulating sleeve, advance to be equipped with the picture peg of cartridge in the draw-in groove on the lateral wall of rubber sleeve, and the front end of heat insulating sleeve is equipped with the limiting plate that leans on terminal surface before the heating pipe. By the design, the connection reliability of the glue inlet sleeve and the heating pipe can be enhanced, and the glue pouring phenomenon caused by the fact that the glue inlet sleeve is separated from the heating pipe is avoided.

The heat insulation sleeve comprises two half sleeves, and a snap ring for buckling and fixing the two half sleeves is sleeved on the outer side of the heat insulation sleeve. So design, the heat insulating sleeve suit of can being convenient for is in advancing gluey sleeve pipe and heating pipe outside, has reduced the equipment degree of difficulty of heat insulating sleeve.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is an exploded view of a part of a structure of a glue dispenser according to an embodiment of the present invention;

FIG. 2 is an assembled view of a portion of the structure of FIG. 1;

FIG. 3 is a cross-sectional view of a portion of the structure of FIG. 2 in an un-squeezed state;

fig. 4 is a sectional view of a portion of the structure of fig. 2 in a paste ejection state.

[ detailed description ] embodiments

The utility model provides a glue extruding device of antidrip glue, including advancing gluey sleeve pipe, rifle head and heating element, the rifle head includes the heating pipe and establishes the play glue nozzle of heating pipe front end, the rear end of heating pipe with advance gluey sleeve pipe and cup joint, the heating pipe inside have first cavity and with advance the second cavity of gluey sleeve pipe intercommunication, first cavity intercommunication second cavity and play glue nozzle, heating element installs the heating pipe outside and heating first cavity and second cavity, install antidrip glue subassembly in the first cavity, antidrip glue subassembly includes the sleeve and installs the inside ball valve and the spring of sleeve, spring drive the ball valve is closed the sleeve with the opening of second cavity intercommunication.

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment,

Referring to fig. 1 to 4, the glue extruder in this embodiment may be a hot melt glue gun or a hot melt glue pen, the glue extruder includes a glue inlet sleeve 100, a gun head 200, and a heating assembly 300, the gun head 200 includes a heating pipe 210 and a glue outlet nozzle 220 arranged at a front end of the heating pipe 210, the heating pipe 210 and the glue outlet nozzle 220 are integrally formed, a rear end of the heating pipe 210 is sleeved with the glue inlet sleeve 100, the heating pipe 210 has a first cavity 211 and a second cavity 212 communicated with the glue inlet sleeve 100 inside, the first cavity 211 is communicated with the second cavity 212 and the glue outlet nozzle 220, the heating assembly 300 is installed outside the heating pipe 210 and heats the first cavity 211 and the second cavity 212, an anti-drip glue assembly 400 is installed in the first cavity 211, the anti-drip glue assembly includes a sleeve 410, and a ball valve 420 and a spring 430 installed inside the sleeve 410, and the spring 430 drives the ball valve 420 to close an opening through which the sleeve 410 is communicated with.

Because the heating assembly 300 in this embodiment is used for heating the first cavity 211 and the second cavity 212, the temperature of the second cavity 212 can be raised quickly to shorten the melting time of the glue stick 500 in the second cavity 212, so as to achieve quick glue discharging, when glue squeezing operation is performed, the molten glue in the second cavity 212 can extrude the ball valve 420 and compress the spring 430 towards the glue discharging nozzle 220, at this time, the opening through which the sleeve 410 is communicated with the second cavity 212 is opened, and the glue flows to the glue discharging nozzle 220 through the sleeve 410, because the heating assembly 300 also heats the first cavity 211, the glue discharging temperature of the glue can be ensured, and the bonding effect of the glue is improved; when the glue squeezing operation is not performed, the spring 430 resets and drives the ball valve 420 to close the opening of the sleeve 410 communicated with the second cavity 212, so that the glue dripping phenomenon is avoided, and the waste of glue solution is avoided; in addition, when the solidified colloid exists in the first cavity 211 and the glue extruder is used again, the heating element 300 can also melt the solid colloid in the first cavity 211 to avoid the blocking phenomenon; secondly, the sleeve 410 can also ensure the installation reliability of the ball valve 420 and the spring 430, and avoid the dislocation of the ball valve 420 and the spring 430; finally, the anti-drip component 400 can be assembled in advance and then integrally assembled in the first cavity 211 as a component, thereby reducing the assembly difficulty.

Specifically, the anti-drip assembly 400 of the present embodiment is installed in the first cavity 211 through the second cavity 212, and the sleeve 410 is in interference fit with the first cavity 211. So design, can make heating pipe 210 integrated into one piece to simplify the equipment process, interference fit's mode has also reduced the equipment degree of difficulty of antidrip subassembly 400 simultaneously, has avoided the glue solution to leak from between sleeve 410 and the first cavity inner wall.

Preferably, in this embodiment, the second cavity 212 is a tapered cavity, the inner diameter of the tapered cavity gradually decreases toward the first cavity 211, the first cavity 211 is a cylindrical cavity, and the inner diameter of the cylindrical cavity is equal to the minimum inner diameter of the tapered cavity. So designed, the conical cavity can guide the anti-drip glue assembly 400 to smoothly enter the cylindrical cavity, so as to further reduce the installation difficulty of the anti-drip glue assembly 400.

In order to improve the heating efficiency, the heating pipe 210 is an electric conductor in this embodiment, preferably, an aluminum pipe is used, the heat conduction efficiency of the aluminum pipe is high, and the heating efficiency can be further improved, the heating assembly 300 includes a plurality of heating plates 310 and two electrode rings 320, a plurality of heat conduction planes 213 are circumferentially arranged on the outer side surface of the heating pipe at intervals, one of the electrode rings 320 is sleeved on the heating plate 310, so that the heating plate 310 is tightly pressed and attached to the heat conduction plane 213, the other electrode ring 320 is sleeved on the heating pipe 210, the two electrode plates 320 are respectively electrically connected with the positive electrode and the negative electrode of the power supply through wires, and when the two electrode plates 320 are powered on, the heating plate 310 generates heat and transmits the heat to. Compared with the heating assembly in the prior art, the heating sheet 310 in the embodiment does not need to be wrapped with an insulating material, and can directly heat the glue stick 500 in the heating tube 210, thereby improving the heating efficiency.

In order to prevent the heat generating sheet 310 from inclining during the assembling process, the outer side surface of the heating pipe in this embodiment is further provided with a limiting groove 214 corresponding to the heat conducting plane 213 one by one, and the heat generating sheet 310 is partially limited in the limiting groove 214.

In order to prevent the sleeve 410, the ball valve 420 and the spring 430 from deforming due to heat, the sleeve 410 in this embodiment is a copper sleeve, and the ball valve 420 and the spring 430 are both made of metal. So designed, the installation reliability of the sleeve 410 and the sealing performance of the ball valve 420 for closing the opening of the sleeve 410 communicated with the second cavity 212 are ensured.

In addition, in order to avoid heat dissipation and cause the casing of the glue extruder to heat up and scald the user, the glue extruder in this embodiment further includes a heat insulation sleeve 600 sleeved on the glue inlet sleeve 100 and the outer side of the heating pipe 210, and the heating element 300 is located between the heating pipe 210 and the heat insulation sleeve 600.

In this embodiment, the heating pipe 210 is in interference fit with the glue inlet sleeve 100, the inner side wall of the heat insulation sleeve 600 is provided with a clamping groove 610, the outer side wall of the glue inlet sleeve 100 is provided with an inserting plate 110 inserted into the clamping groove 610, and the front end of the heat insulation sleeve is provided with a limiting plate 620 abutting against the front end surface of the heating pipe. By the design, the connection reliability of the glue inlet sleeve 100 and the heating pipe 210 can be enhanced, and the glue pouring phenomenon caused by the fact that the glue inlet sleeve 100 is separated from the heating pipe 210 is avoided.

In order to facilitate the sleeving of the heat insulation sleeve 600 on the outer sides of the glue inlet sleeve 100 and the heating pipe 210, the assembling difficulty of the heat insulation sleeve 600 is reduced. The heat insulation sleeve 600 in this embodiment includes two half sleeves, one of the fastening surfaces of the two half sleeves is provided with a positioning hole, the other is provided with a positioning column inserted into the positioning hole, and the outer side of the heat insulation sleeve is sleeved with a snap ring 700 for fastening and fixing the two half sleeves.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above specific embodiments. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a glue squeezing device of antidrip glue, includes into gluey sleeve pipe, rifle head and heating element, the rifle head includes the heating pipe and establishes the play gluey nozzle of heating pipe front end, the rear end of heating pipe with advance gluey sleeve pipe and cup joint, its characterized in that, the heating pipe inside have first cavity and with advance the second cavity of gluey sleeve pipe intercommunication, first cavity intercommunication second cavity and play gluey nozzle, heating element installs the heating pipe outside and heating first cavity and second cavity, install the antidrip glue subassembly in the first cavity, the antidrip glue subassembly includes the sleeve and installs the inside ball valve and the spring of sleeve, spring drive the ball valve is closed the sleeve with the opening of second cavity intercommunication.

2. The drip resistant adhesive extruder of claim 1, wherein the drip resistant assembly is mounted in the first cavity via the second cavity, and the sleeve is in an interference fit with the first cavity.

3. The drip-proof glue extruder according to claim 2, wherein the second cavity is a conical cavity, the inner diameter of the conical cavity gradually decreases toward the first cavity, the first cavity is a cylindrical cavity, and the inner diameter of the cylindrical cavity is equal to the minimum inner diameter of the conical cavity.

4. The drip resistant adhesive extruder according to claim 1, wherein said sleeve is a copper sleeve, and said ball valve and said spring are both metal pieces.

5. The glue extruder as claimed in claim 1, wherein the heating tube is an electrical conductor, the heating assembly comprises a plurality of heating plates and two electrode rings, a plurality of heat-conducting planes are circumferentially spaced on an outer side surface of the heating tube, one of the electrode rings is sleeved on the heating plate, so that the heating plate is pressed against the heat-conducting plane, and the other electrode ring is sleeved on the heating tube.

6. The glue extruder as claimed in claim 5, wherein the heating tube is further provided with a limiting groove corresponding to the heat-conducting plane, and the heat-generating plate is partially defined in the limiting groove.

7. The glue extruder as claimed in claim 1, further comprising a heat insulation sleeve disposed outside the glue inlet sleeve and the heating pipe, wherein the heating assembly is disposed between the heating pipe and the heat insulation sleeve.

8. The glue extruder of claim 7, wherein the heating pipe is in interference fit with the glue feeding sleeve, a clamping groove is formed in the inner side wall of the heat insulation sleeve, a plug board inserted into the clamping groove is arranged on the outer side wall of the glue feeding sleeve, and a limiting plate abutting against the front end face of the heating pipe is arranged at the front end of the heat insulation sleeve.

9. The glue extruder as claimed in claim 7, wherein the heat insulation sleeve comprises two half sleeves, and a snap ring is sleeved outside the heat insulation sleeve for fastening and fixing the two half sleeves.