CN215088535U

CN215088535U - Rotary glue gun

Info

Publication number: CN215088535U
Application number: CN202120781947.6U
Authority: CN
Inventors: 金晓平; 廖书学; 沈雷; 李津晶
Original assignee: Ingersoll Rand Guilin Tools Co Ltd
Current assignee: Ingersoll Rand Guilin Tools Co Ltd
Priority date: 2021-04-15
Filing date: 2021-04-15
Publication date: 2021-12-10
Anticipated expiration: 2031-04-15

Abstract

The application provides a rotatory rifle that glues includes: a fixing assembly; the rotating assembly comprises a rotating shaft and a glue outlet assembly connected with the rotating shaft, and the rotating shaft penetrates through the fixing assembly along a set direction and is arranged in a rotating mode relative to the fixing assembly; the device comprises a plurality of confluence passages, a plurality of connecting pipes and a plurality of connecting pipes, wherein the confluence passages comprise a feeding cavity, a discharging cavity and an annular confluence cavity, the outer ring part of the confluence cavity is communicated with the feeding cavity, and the inner ring part of the confluence cavity is communicated with the discharging cavity; the feeding cavity is arranged in the fixed assembly, the converging cavity is arranged between the rotating shaft and the fixed assembly, and the discharging cavity is arranged in the rotating shaft and communicated with the glue discharging assembly. The plurality of confluence channels arranged in the fixed component and the rotating component can ensure that the glue feeding pipeline does not interfere with a mechanism for providing rotating power under the condition that the rotating glue gun needs to apply bi-component glue or multi-component glue for rotating glue coating.

Description

Rotary glue gun

Technical Field

The application relates to the field of high-viscosity fluid conveying, in particular to a rotary glue gun.

Background

The glue gun is used as a gluing tool and is widely applied to the fields of automobiles, automobile parts, ships, electronic appliances and the like. Traditional rifle glues, its advance to glue conveying pipeline and shut-off valve directly link, and shut-off valve and glue the integration setting of rifle body, consequently glue the rifle and advance to glue conveying pipeline and can produce the interference with the mechanism that provides rotary power when carrying out the rotary motion by a wide margin, influence normal use.

The existing improved plate glue gun can solve the problem of interference generated when the glue gun rotates, but is only suitable for the condition of applying single-component glue and is not suitable for the condition of applying double-component glue or even multi-component glue.

SUMMERY OF THE UTILITY MODEL

The application provides a rotatory rifle that glues, wherein include:

a fixing assembly;

the rotating assembly comprises a rotating shaft and a glue outlet assembly connected with the rotating shaft, and the rotating shaft penetrates through the fixing assembly along a set direction and is arranged in a rotating mode relative to the fixing assembly;

the device comprises a plurality of confluence passages, a plurality of connecting pipes and a plurality of connecting pipes, wherein the confluence passages comprise a feeding cavity, a discharging cavity and an annular confluence cavity, the outer ring part of the confluence cavity is communicated with the feeding cavity, and the inner ring part of the confluence cavity is communicated with the discharging cavity; the feeding cavity is arranged in the fixed assembly, the converging cavity is arranged between the rotating shaft and the fixed assembly, and the discharging cavity is arranged in the rotating shaft and communicated with the glue discharging assembly.

Optionally, the fixing assembly includes a plurality of manifold blocks arranged at intervals along the set direction, and a cavity penetrating along the set direction is arranged inside the manifold block; the rotating shaft penetrates through the cavities of the plurality of confluence blocks and is rotatably arranged relative to the plurality of confluence blocks;

each confluence block is internally provided with one feeding cavity, and one confluence cavity is arranged between the rotating shaft and each confluence block.

Optionally, the confluence cavity comprises a diversion trench formed by recessing from the outer surface of the rotating shaft, one end of the diversion trench is communicated with the discharge cavity, and the other end of the diversion trench is communicated with the feed cavity; or

The confluence cavity comprises a diversion trench, the diversion trench is formed by sinking from the inner surface of the cavity, one end of the diversion trench is communicated with the discharge cavity, and the other end of the diversion trench is communicated with the feed cavity; or

The chamber of converging includes first guiding gutter and the second guiding gutter of mutual concatenation, first guiding gutter certainly the internal surface of cavity is sunken to be formed, the second guiding gutter certainly the surface of rotation axis is sunken to be formed, first guiding gutter with the feeding chamber intercommunication, the second guiding gutter with ejection of compact chamber intercommunication.

Optionally, the fixing assembly comprises a heating plate fixed to the outer surface of the manifold block, and a heating range of the heating plate covers at least part of the feeding cavity and at least part of the discharging cavity.

Optionally, a coupling assembly is also included, the coupling assembly including a bearing assembly including a stator portion and a rotor portion rotationally coupled to the stator portion; the stator part is fixedly connected with the inner surface of the cavity, and the rotor part is fixedly connected with the outer surface of the rotating shaft.

Optionally, a recessed portion is formed on an outer surface of the rotating shaft, a limiting member is disposed in the recessed portion, at least a portion of the limiting member protrudes out of the recessed portion, and a portion of the limiting member protruding out of the recessed portion abuts against the bearing assembly; or

The bearing component comprises a bearing component and a cavity, wherein a concave part is formed on the inner surface of the cavity, a limiting part is arranged in the concave part, at least part of the limiting part protrudes out of the concave part, and the part of the limiting part protruding out of the concave part is abutted to the bearing component.

Optionally, the discharge cavity includes a through cavity and a plurality of runners, the through cavity is arranged along the set direction and is communicated with the glue outlet assembly, a first end of the runner is communicated with the through cavity, and a second end of the runner is communicated with the inner ring portion of the confluence cavity.

Optionally, a blocking part is arranged in the through cavity, and the blocking part blocks at least part of a cavity between one end, far away from the glue outlet assembly, of the rotating shaft and one end, far away from the glue outlet assembly, of the flow channel in the through cavity.

Optionally, the number of the plurality of confluence passages is two, and the plurality of confluence passages includes a first confluence passage and a second confluence passage, and the diameter of the through cavity of the first confluence passage is smaller than that of the through cavity of the second confluence passage.

Optionally, the inside of the through cavity of the first confluence channel is provided with a detachable blocking piece, and a gap is reserved between the blocking piece and the inner wall of the through cavity of the first confluence channel.

Optionally, the blocking piece is positioned in the through cavity of the first confluence channel and is positioned in at least part of the cavity between one end of the rotating shaft close to the glue outlet assembly and the flow channel.

Optionally, the glue discharging assembly comprises a mixing pipe and a glue discharging nozzle connected with one end of the mixing pipe, which is far away from the rotating shaft, and the inside of the glue discharging nozzle is communicated; the mixing tube comprises a mixing cavity communicated with the discharge cavities of the confluence channels, and the mixing cavity is communicated with the glue outlet nozzle.

Optionally, the mixing tube protective sheath has been cup jointed to mixing tube outside, the mixing tube protective sheath is equipped with first spacing portion, it is equipped with the spacing portion of second to go out the jiao zui, first spacing portion with the spacing portion joint cooperation of second.

Optionally, the side wall of the glue outlet nozzle, which is far away from one end of the mixing tube, is provided with a glue outlet.

The application provides a rotatory rifle of gluing, including fixed subassembly, rotating assembly and a plurality of passageway that converges, rotating assembly's rotation axis is worn to locate along setting for the direction fixed subassembly and for fixed subassembly rotates the setting, fixed subassembly with rotating assembly's inside is provided with a plurality of passageways that converge, can follow different feeding chamber input different types of glue that converge the passageway, and the chamber that converges that forms again through between rotation axis and the fixed subassembly transmits to the ejection of compact intracavity that rotates together with the rotation axis, can solve and glue when gluing the rifle and need carry out the rotary motion by a wide margin rotary motion under the condition that the applied double-component glues or multicomponent glues and advance to glue the problem that the material conveying pipeline can produce the interference with the mechanism that provides rotary power.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a cross-sectional view of a rotary glue gun according to an exemplary embodiment of the present application;

FIG. 2 is an enlarged partial cross-sectional view of an exemplary embodiment of the rotary glue gun of the present application, away from the glue dispensing assembly;

fig. 3 is a schematic structural view of a discharging cavity inside a rotating shaft of the rotary glue gun according to an exemplary embodiment of the present application;

FIG. 4 is an exploded view of a rotary glue gun according to an exemplary embodiment of the present application;

fig. 5 to 7 are schematic structural diagrams of a rotary glue gun according to an exemplary embodiment of the present application at different viewing angles.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The embodiment provides a rotary glue gun, which can solve the problem that when the glue gun needs to perform large-amplitude rotary motion under the condition of applying bi-component glue or multi-component glue, a glue feeding pipeline interferes with a mechanism for providing rotary power, and the rotary glue gun disclosed by the invention is described in detail below by combining with an attached drawing. The features of the following examples and embodiments may be combined with each other without conflict.

Referring to fig. 1 to 4, an embodiment of the present application provides a rotary glue gun including a stationary assembly 10, a rotating assembly 20, and a plurality of confluence passages 30.

The rotating assembly 20 includes a rotating shaft 22 and a glue discharging assembly 23 connected to the rotating shaft 22, wherein the rotating shaft 22 penetrates through the fixing assembly 10 along a set direction (shown as a longitudinal direction in fig. 1) and is rotatably disposed relative to the fixing assembly 10. The confluence channel 30 comprises a feeding cavity 31, a discharging cavity 32 and an annular confluence cavity 33, wherein the outer ring part (the left end shown in fig. 2) of the confluence cavity 33 is communicated with the feeding cavity 31, the inner ring part (the right end shown in fig. 2) of the confluence cavity 33 is communicated with the discharging cavity 32, the feeding cavity 31 is arranged in the fixed component 10, the confluence cavity 33 is arranged between the rotating shaft 22 and the fixed component 10, and the discharging cavity 32 is arranged in the rotating shaft 22 and is communicated with the glue discharging component 23, so that no matter how the rotating shaft 22 rotates, glue can be ensured to enter the discharging cavity 32 which rotates together with the rotating shaft 22 through the annular confluence cavity 33 by the feeding cavity 31.

In an alternative embodiment, the fixing assembly 10 includes a plurality of junction blocks spaced apart along a predetermined direction (shown as a longitudinal direction in fig. 1), the interior of the junction block is provided with a cavity 13 extending along the predetermined direction (shown as a longitudinal direction in fig. 1), and the rotating shaft 22 is inserted into the cavity 13 of the junction blocks and is rotatably disposed relative to the junction blocks. In the present embodiment, the bus block is exemplified by two, and the plurality of bus blocks includes a first bus block 11 and a second bus block 12. The rotating shaft 22 is rotatably disposed relative to the manifold block by a coupling assembly 40, the coupling assembly 40 including a bearing assembly 41, the bearing assembly 41 including a stator portion and a rotor portion rotatably coupled to the stator portion, the stator portion being fixedly coupled to an inner surface of the cavity 13, the rotor portion being fixedly coupled to an outer surface of the rotating shaft 22, and the relative position of the rotating shaft 22 relative to the manifold block in the set direction (shown as a longitudinal direction in fig. 1) is ensured to be unchanged. Each confluence block is internally provided with one feeding cavity 31, and one confluence cavity 33 is arranged between the rotating shaft 22 and each confluence block, so that the volume of the rotary glue gun can be reduced.

In this embodiment, a recessed portion 221 is formed on an outer surface of the rotating shaft 22, a limiting member 70 is disposed in the recessed portion 221, at least a portion of the limiting member 70 protrudes out of the recessed portion 221, and a portion of the limiting member 70 protruding out of the recessed portion 221 abuts against the bearing assembly 41. In other embodiments, a recessed portion 221 may be formed on an inner surface of the cavity 13, a retaining member 70 is disposed in the recessed portion 221, at least a portion of the retaining member 70 protrudes from the recessed portion 221, and a portion of the retaining member 70 protruding from the recessed portion 221 abuts against the bearing assembly 41. The limiting member 70 can limit the relative displacement between the rotating shaft 22 and the junction block along the setting direction (the longitudinal direction in fig. 1). When the recess 221 is annular, the stopper 70 may be a snap spring.

In an alternative embodiment, a sealing device 80 is provided at the junction of the rotating shaft 22 and the manifold block. The sealing device 80 is provided with a sealing block 83 on one side close to the rotating shaft 22, and the sealing block plays a main sealing role, so that the leakage of glue inside the confluence channel can be prevented, and external pollution can be prevented from entering the confluence channel. The sealing device 80 may include a sealing ring 82, because the sealing ring 82 has good sealing performance and a small contact area with the rotating shaft 22, the generated frictional resistance is small, and the rotating movement of the rotating shaft 22 is not hindered while the glue is sealed. In this embodiment, the converging block is provided with pressing blocks 81 at two ends along the set direction (shown as a longitudinal direction in fig. 1) near the rotating shaft 22, the sealing ring 82 and the sealing block 83 are installed in the pressing blocks 81, and the pressing blocks 81 are provided to solve the problem of inconvenient installation caused by the soft and elastic material of the sealing blocks 83.

In this embodiment, the rotating assembly 20 further includes a rotating shaft mounting plate 21, one end of the rotating shaft mounting plate 21 is connected to an external rotation power providing mechanism, and the other end of the rotating shaft mounting plate 21 is fixedly connected to the rotating shaft 22, and the external rotation power providing mechanism may be a sixth shaft of the robot or other rotating mechanisms, which is not limited in this disclosure.

In an alternative embodiment, the feeding cavity 31 includes a plurality of sub-feeding cavities 31 sequentially arranged in a communication manner, and the diameters of the sub-feeding cavities 31 gradually increase in a direction away from the converging cavity 33, so that the glue can uniformly flow into the converging cavity 33. In this embodiment the diameter of the sub-feeding cavity 31 close to the rotation axis 22 corresponds to the width of the converging cavity, so that the glue is less prone to clogging at the converging cavity 33.

Referring to fig. 2, in an alternative embodiment, the discharging cavity 32 includes a through cavity and a plurality of flow channels, the through cavity is disposed along the set direction and is communicated with the glue discharging assembly 23, a first end of the flow channel is communicated with the through cavity, and a second end of the flow channel is communicated with the inner annular portion of the converging cavity 33. In this embodiment, the feeding cavity 31 is arranged along a direction perpendicular to the set direction (the direction is horizontal in fig. 1), and the arrangement of a plurality of flow channels can ensure that the rotary glue gun can still be used normally under the condition that a single flow channel is blocked.

Taking a rotary glue gun using two-component glue as an example, the two glues in the two-component glue have different viscosities, and the viscosity of the first glue is smaller than that of the second glue. In this embodiment, the number of the plurality of converging channels 30 is two, and the converging channels include a first converging channel 301 and a second converging channel 302, the first converging channel 301 includes a first feeding cavity 311, a first converging cavity and a first discharging cavity 321, the first feeding cavity 311 is disposed in the first converging block 11, and the first discharging cavity 321 includes a first through cavity 3211 and a plurality of first flow channels 3212; the second converging channel 302 comprises a second feeding cavity 312, a second converging cavity and a second discharging cavity 322, the second feeding cavity 312 is arranged in the second converging block 12, the second discharging cavity 322 comprises a second through cavity 3221 and a plurality of second flow channels 3222, the first converging channel 301 contains first glue, the second converging channel 302 contains second glue, the diameter of the through cavity is designed according to the requirements of different flow rates and viscosities of the two glues, and the diameter of the first through cavity 3211 is smaller than that of the second through cavity 3221.

Referring to fig. 1 again, in an alternative embodiment, a blocking member 50 is disposed inside the through cavity, and the blocking member 50 blocks at least a part of a cavity inside the through cavity between an end of the rotating shaft 22 away from the glue outlet assembly 23 and an end of the flow channel away from the glue outlet assembly 23, in this embodiment, the number of the blocking members 50 is two, and the blocking member 50 includes a first blocking member 51 located in the first through cavity 3211 and a second blocking member 52 located in the second through cavity 3221, and the blocking member 50 can prevent glue from flowing in the through cavity in a direction away from the glue outlet assembly 23 to generate blocking, and the through cavity is designed to make the rotating shaft 22 more convenient to process. In other embodiments, the stop 50 may be replaced by a through cavity that is blind.

Optionally, the inside in the chamber that leads to of first passageway 301 that converges is equipped with detachable blocking member 60, blocking member 60 is located first passageway 301 that converges leads to the intracavity and is located the rotation axis 22 is close to go out the one end of gluey subassembly 23 with at least part cavity between the runner, blocking member 60 with first passageway 301 that converges has the clearance between the inner wall in chamber, and is very little when the viscosity of glue for when the resistance that leads to the chamber is not enough to hinder glue to flow under the effect of gravity, glue will be natural drips out outside going out gluey subassembly 23, consequently leads to the intracavity setting blocking member 60 can play the logical footpath that reduces the pipeline thereby reduce the volume of glue in the pipeline, increases the resistance and the double pressure of pipeline, in order to play the effect that prevents the glue natural drippage. In this embodiment, since the viscosity of the first glue is low, a blocking member 60 can be disposed in the first through cavity 3211, and in order to facilitate the installation and removal of the blocking member 60 in the first through cavity 3211 with a small diameter, a threaded hole is disposed at either end of the blocking member 60, when the blocking member 60 is installed in the first through cavity 3211, one end of the blocking member 60 having the threaded hole is installed at a side (the lower end shown in fig. 1) close to the glue outlet assembly 23, and the blocking member 60 can be removed from the first through cavity 3211 by using an external thread-equipped device.

Referring to fig. 2, in one example, the converging chamber 33 includes a channel recessed from an inner surface of the cavity 13, the channel having one end communicating with the discharging chamber 32 and the other end communicating with the feeding chamber 31. In another example, the converging chamber 33 includes a guide groove formed by being recessed from the outer surface of the rotating shaft 22, and one end of the guide groove communicates with the discharging chamber 32 and the other end communicates with the feeding chamber 31. The above-described embodiments ensure that glue can enter the outlet chamber 32 of the rotating shaft 22 from the inlet chamber 31, regardless of the rotation of the rotating shaft 22. In this embodiment, the converging cavity 33 includes a first guiding groove 331 and a second guiding groove 332 that are spliced with each other, the first guiding groove 331 is formed by recessing the inner surface of the cavity 13, the second guiding groove 332 is formed by recessing the outer surface of the rotating shaft 22, the first guiding groove 331 is communicated with the feeding cavity 31, the second guiding groove 332 is communicated with the discharging cavity 32, and the converging cavity 33 formed by the two guiding grooves has a larger volume and can contain more glue, so as to reduce the probability of blocking at the converging cavity 33.

Referring to fig. 4, in an alternative embodiment, the fixing assembly 10 includes a heating plate 16, the heating plate 16 is fixed on the outer surface of the manifold block, the heating range of the heating plate 16 covers at least a portion of the feeding cavity 31 and at least a portion of the discharging cavity 32, the heating plate 16 can rely on high temperature to reduce the viscosity of the glue, so as to prevent the glue from blocking the feeding cavity 31, the manifold cavity 33 and the discharging cavity 32, and when the heating plate 16 can cover a plurality of manifold blocks arranged along the set direction, the heating plate can also serve to connect the plurality of manifold blocks.

In an optional embodiment, the fixing assembly 10 further includes a shut-off valve, a first end of the shut-off valve is communicated with the glue feeding pipeline 17, components such as a rotary joint and a one-way valve can be selected and matched according to different glue feeding pipelines 17, and a second end of the shut-off valve is connected with the confluence block and communicated with the feeding cavity 31 in the confluence block, so that the communication and the closing between the glue feeding pipeline 17 and the confluence block can be controlled, and the purpose of controlling the starting and the stopping of glue discharging of the rotary glue gun is achieved. In this embodiment, the number of the shut-off valves is two, and the shut-off valves include a first shut-off valve 14 and a second shut-off valve 15. A first end of the first shut-off valve 14 is connected with a glue feeding pipeline 17 for storing the first glue, and a second end of the first shut-off valve 14 is communicated with the first feeding cavity 311 inside the first manifold block 11; the first end of the second shut-off valve 15 is connected to the glue feeding pipeline 17 for storing the second glue, the second end of the second shut-off valve 15 is connected to the second feeding cavity 312 inside the second manifold block 12, the corresponding shut-off valve controls the circulation and closing of the corresponding glue, and the type selection of the shut-off valve can be changed to adapt to 1: 1 to 50: 1 and the like. The shutoff valve can adopt a plurality of shutoff valve structures such as a thimble type shutoff valve, a resorption type shutoff valve or a ball valve, and the types of the shutoff valves are not limited.

Referring to fig. 4 to 7, in an alternative embodiment, the glue discharging assembly 23 includes a mixing tube 232 and a glue discharging nozzle 234 connected to an end of the mixing tube 232 away from the rotating shaft 22, the mixing tube 232 includes a mixing chamber 2321 communicated with the discharging chambers 32 of the plurality of converging channels 30, the glue discharging nozzle 234 is through, and the mixing chamber 2321 is communicated with the glue discharging nozzle 234 so as to mix the glue flowing out from the discharging chambers 32 and finally converge at the glue discharging nozzle 234. A mixing tube protective sleeve 233 is sleeved outside the mixing tube 232 to protect the mixing tube 232 and prevent the mixing tube 232 from bursting under high pressure.

Mixing tube protective sheath 233 is equipped with first spacing portion, it is equipped with the spacing portion of second to go out jiao zui 234, first spacing portion with the cooperation of the spacing portion joint of second can ensure when the repeated installation go out jiao zui 234 and go out the uniformity of gluing the direction.

In this embodiment, the glue outlet assembly 23 further includes a glue outlet manifold block 231, one end of the glue outlet manifold block 231 is fixed to the rotating shaft 22, the other end of the glue outlet manifold block is fixed to the glue outlet assembly 23, one end of the glue outlet manifold block 231 is communicated with the plurality of glue outlet cavities 32, and the other end of the glue outlet manifold block is communicated with the mixing cavity 2321, so that glue flowing out of the glue outlet cavities 32 can be converged, and the glue outlet assembly can also play a role in connecting the rotating shaft 22 and the mixing tube protection sleeve 233. The mixing tube protective sleeve 233 is close to one end of the glue outlet converging block 231 is provided with a groove, the glue outlet converging block 231 is close to one end of the mixing tube protective sleeve 233 and is fixed with a positioning mechanism, the positioning mechanism is connected with the groove in a clamped mode, and the positioning mechanism can be a positioning pin. Optionally, a sealing structure is provided between the glue outlet junction block 231 and the rotating shaft 22 to prevent glue leakage at the junction. In this embodiment, the glue outlet converging block 231 is provided with a plurality of connecting cavities 2311 corresponding to the number of the discharging cavities, and the connecting cavities 2311 are connected with the through cavities of the discharging cavities 32 in a one-to-one correspondence manner, so that the glue in the rotating shaft 22 is converged to the mixing cavity 2321. The glue outlet manifold block 231 is formed with a step structure at one end close to the mixing tube protective sleeve 233, the mixing tube protective sleeve 233 can be externally provided with a fixing sleeve 2322 at one time, and the fixing sleeve 2322 can be in a round platform structure. The fixing sleeve 2322 covers the end of the mixing tube protection sleeve 233 close to the glue outlet junction block 231, and is fixed to the step structure of the glue outlet junction block 231, so as to reinforce the connection strength between the glue outlet junction block 231 and the mixing tube protection sleeve 233. Optionally, the stepped structure of the glue outlet junction block 231 is a threaded structure, the fixing sleeve 2322 is provided with a nut 2323 adapted to the threaded structure, and the glue outlet junction block 231 is in threaded connection with the fixing sleeve 2322.

In an alternative embodiment, the material of the glue outlet 234 is configured to be a material that is not easy to stick to glue, so as to prevent the glue from sticking to the glue outlet 234 and blocking. In this embodiment, the base material of the glue outlet 234 is brass, and teflon is sprayed on the surface of the base material, so that the glue can be prevented from adhering, and the glue outlet 234 can be cleaned conveniently.

In an alternative embodiment, a glue outlet 2341 is formed in a side wall of the glue outlet 234, which is far away from one end of the mixing tube 232, so as to meet the requirements of different glue outlet shapes in different scenes. In this embodiment, the glue outlet 2341 is an isosceles triangle notch with a bottom corner located at one end far away from the mixing pipe 232, and the shape of the notch can flow out a triangular glue applied to gluing the joint of a windshield glass and a vehicle body of an automobile.

The pressure resistance of the whole equipment of the rotary glue gun can reach 200bar, and in the type selection process of the rotary glue gun, the specification of a shut-off valve is selected according to the proportion and flow requirements of glue, the size of a rotating shaft is designed, and the specifications of the sealing of a confluence block, a glue outlet and a glue outlet are determined. When the rotary glue gun is installed, the sealing device 80, the connecting assembly 40, the rotating shaft 22 and the shut-off valves which have completed type selection are installed on the manifold blocks in sequence, the clamp springs or other parts are used for positioning, the heating plate 16 is fixed on the outer surfaces of the manifold blocks, the glue outlet manifold block 231 and corresponding sealing elements are fixed on the rotating shaft, then the mixing pipe 232 is installed in the mixing pipe protective sleeve 233, the glue outlet manifold block 231 is clamped with the positioning mechanism on the mixing pipe protective sleeve 233, finally the first limiting part of the mixing pipe protective sleeve 233 is clamped with the second limiting part of the glue outlet 234, and the rotating shaft mounting plate 21 on the rotary glue gun is installed on a robot or other mechanisms for providing rotary power.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. A rotary glue gun, comprising:

a fixing assembly;

2. The rotary glue gun according to claim 1, wherein said stationary assembly includes a plurality of manifold blocks spaced along said set direction, said manifold blocks having cavities defined therein extending therethrough along said set direction; the rotating shaft penetrates through the cavities of the plurality of confluence blocks and is rotatably arranged relative to the plurality of confluence blocks;

3. The rotary glue gun of claim 2, wherein said manifold chamber comprises a channel recessed from an outer surface of said rotary shaft, said channel having one end in communication with said discharge chamber and another end in communication with said feed chamber; or

4. The rotary glue gun of claim 2, wherein the mounting assembly comprises a heater plate mounted to an outer surface of the manifold block, the heater plate having a heating range that covers at least a portion of the feed cavity and at least a portion of the discharge cavity.

5. The rotary glue gun of claim 2, further comprising a coupling assembly including a bearing assembly including a stator portion and a rotor portion rotationally coupled to the stator portion; the stator part is fixedly connected with the inner surface of the cavity, and the rotor part is fixedly connected with the outer surface of the rotating shaft.

6. The rotary glue gun according to claim 5, wherein a recess is formed in an outer surface of the rotary shaft, a stopper is disposed in the recess, the stopper at least partially protrudes from the recess, and a portion of the stopper protruding from the recess abuts against the bearing assembly; or

7. The rotary glue gun according to claim 1, wherein the discharge chamber comprises a through chamber and a plurality of flow channels, the through chamber is disposed along the setting direction and is in communication with the glue discharge assembly, a first end of the flow channel is in communication with the through chamber, and a second end of the flow channel is in communication with the inner annular portion of the manifold chamber.

8. The rotary glue gun according to claim 7, wherein a blocking member is disposed inside the through cavity, and the blocking member blocks at least a part of a cavity in the through cavity between an end of the rotary shaft away from the glue outlet assembly and an end of the flow channel away from the glue outlet assembly.

9. The rotary glue gun according to claim 7, wherein the number of the plurality of confluence passages is two, including a first confluence passage and a second confluence passage, and a diameter of a through cavity of the first confluence passage is smaller than a diameter of a through cavity of the second confluence passage.

10. The rotary glue gun according to claim 9, wherein the interior of the through cavity of the first manifold channel is provided with a removable blocking member having a clearance with the inner wall of the through cavity of the first manifold channel.

11. The rotary glue gun of claim 10, wherein the blocking member is located within the through cavity of the first manifold channel at least part of the cavity between the end of the rotary shaft proximate the glue dispensing assembly and the flow channel.

12. The rotary glue gun according to claim 1, wherein the glue dispensing assembly comprises a mixing tube and a glue dispensing nozzle connected to one end of the mixing tube away from the rotating shaft, the glue dispensing nozzle being internally through; the mixing tube comprises a mixing cavity communicated with the discharge cavities of the confluence channels, and the mixing cavity is communicated with the glue outlet nozzle.

13. The rotary glue gun according to claim 12, wherein a mixing tube protective sleeve is sleeved outside the mixing tube, the mixing tube protective sleeve is provided with a first limiting portion, the glue outlet nozzle is provided with a second limiting portion, and the first limiting portion is in clamping fit with the second limiting portion.

14. The rotary glue gun of claim 12, wherein a glue outlet is provided in a side wall of the glue outlet at an end of the glue nozzle remote from the mixing tube.