CN115970980A - Glue dispensing device - Google Patents
Glue dispensing device Download PDFInfo
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- CN115970980A CN115970980A CN202111198404.2A CN202111198404A CN115970980A CN 115970980 A CN115970980 A CN 115970980A CN 202111198404 A CN202111198404 A CN 202111198404A CN 115970980 A CN115970980 A CN 115970980A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
A glue dispensing device comprises a rubber tube and an inflation plug assembly. The rubber tube comprises an accommodating cavity and a rubber outlet; the inflation plug subassembly holding is in holding the intracavity, the inflation plug subassembly will hold the chamber and divide into first cavity and second cavity, the second cavity communicates with a jiao kou, the inflation plug subassembly includes plug and air plug, the lateral wall of plug and the inside wall slip butt of rubber tube, the air plug deviates from the one end holding of a jiao kou in first cavity, the air plug is close to a one end of gluing the mouth and runs through the plug and stretch into in the second cavity, the air plug is used for relative plug orientation or deviates from a jiao kou reciprocating motion under atmospheric control, so that first cavity and second cavity intercommunication or wall. According to the dispensing device provided by the invention, the inflation plug assembly is arranged in the rubber tube, so that the control accuracy of the glue outlet amount and the quick suck-back of the glue can be realized.
Description
Technical Field
The invention relates to the technical field of gluing equipment, in particular to a dispensing device.
Background
The pneumatic glue dispensing device used in the prior production comprises a rubber tube, a rubber plug arranged in the rubber tube and a glue needle arranged at a glue outlet of the rubber tube, and when the pneumatic glue dispensing device is used, a glue dispensing controller controls gas to compress the rubber plug to move in the rubber tube, so that glue is pushed to be dispensed by the glue needle.
However, the tolerance fit of a rubber plug and a rubber tube of the traditional pneumatic dispensing device is poor, so that more glue is left on the wall of the rubber tube, and the glue is wasted; in addition, the rubber plug causes resistance to the vacuum suction force of the dispensing controller in production, so that the residual glue in the glue needle at the head of the rubber tube is difficult to quickly suck back, and the residual glue in the glue needle is easily thrown out in the quick motion process of the dispensing device, thereby causing poor manufacturing process.
Disclosure of Invention
In view of the above, in order to overcome at least one of the above drawbacks, it is desirable to provide a dispensing apparatus.
The invention provides a glue dispensing device which comprises a rubber tube and an inflation plug assembly. The rubber tube comprises an accommodating cavity and a rubber outlet communicated with the accommodating cavity; the inflation plug assembly is accommodated in the accommodating cavity and divides the accommodating cavity into a first cavity and a second cavity, the second cavity is communicated with the glue outlet, the inflation plug assembly comprises a plug and an air plug, the outer side wall of the plug is in sliding butt joint with the inner side wall of the rubber tube, the plug comprises a through hole, one end of the air plug, which is far away from the glue outlet, is accommodated in the first cavity, one end of the air plug, which is close to the glue outlet, penetrates through the through hole and extends into the second cavity, and the air plug is used for moving towards or away from the glue outlet in a reciprocating mode under the control of air pressure relative to the plug so as to enable the first cavity to be communicated with or separated from the second cavity.
In some possible embodiments, the air plug includes a telescopic rod, one end of the telescopic rod, which is away from the glue outlet, is accommodated in the first cavity, one end of the telescopic rod, which is close to the glue outlet, is disposed to penetrate through the rubber plug, the telescopic rod is of a hollow structure, one end of the telescopic rod, which is close to the rubber plug, is provided with a first vent hole, the first vent hole is communicated with the first cavity through the hollow structure of the telescopic rod, and the telescopic rod is used for moving towards or away from the glue outlet in a reciprocating manner relative to the rubber plug, so that the first vent hole is located at a first position or a second position. When the first position is adopted, the first vent hole is contacted with the side wall of the through hole, so that the first cavity is separated from the second cavity; when the first vent hole is located at the second position, the first vent hole is communicated with the second cavity, so that the first cavity is communicated with the second cavity.
In some possible embodiments, the air plug includes a telescopic rod, the telescopic rod includes a fixing portion, a telescopic portion, and a plug body, the plug body is disposed at an end of the telescopic portion close to the glue outlet, the fixing portion is disposed at an end of the telescopic rod away from the plug body, the plug includes a through hole, a dimension of the plug body is equal to a dimension of the through hole along a direction perpendicular to a moving direction of the telescopic rod, and a dimension of the telescopic portion is smaller than a dimension of the through hole; the telescopic part is used for moving towards or away from the rubber outlet in a reciprocating manner relative to the rubber plug so as to enable the plug body to be positioned in the through hole or the second cavity; when the plug body is positioned in the through hole, the first cavity is isolated from the second cavity; when the plug body is positioned in the second cavity, part of the telescopic part is positioned in the through hole, so that the first cavity is communicated with the second cavity.
In some possible embodiments, the air plug further includes a plug head disposed at an end of the telescopic rod facing away from the air pressure control assembly, and the plug head is accommodated in the second cavity.
In some possible embodiments, the plug has a dimension greater than that of the through hole, in a direction perpendicular to the extension direction of the telescopic rod.
In some possible embodiments, the telescopic rod is further provided with a second vent hole, the second vent hole is located on one side of the first vent hole close to the first cavity, and the second vent hole is communicated with the hollow structure of the telescopic rod, wherein when the first vent hole is located at the first position or the second position, the second vent hole is abutted against the side wall of the through hole.
In some possible embodiments, the telescopic rod is further provided with a third ventilation hole, and the hollow structure of the telescopic rod is communicated with the first cavity through the third ventilation hole.
In some possible embodiments, the telescopic rod includes a fixing portion and a telescopic portion sleeved on the fixing portion, the hollow structure of the telescopic rod penetrates through the fixing portion and the telescopic portion, the fixing portion is accommodated in the first cavity, one end of the telescopic portion, which is far away from the fixing portion, penetrates through the through hole, and the telescopic portion is used for reciprocating movement towards or away from the glue outlet relative to the fixing portion.
In some possible embodiments, the fixing portion is provided with a limiting block.
In some possible embodiments, the dispensing device further includes an air pressure control assembly, the air pressure control assembly includes an air pressure controller and an air pipe communicated with the air pressure controller, and one end of the air pipe, which is away from the air pressure controller, extends into the first cavity.
Compared with the prior art, the dispensing device provided by the invention is simple in structure and convenient to disassemble and assemble. The pneumatic control glue dispensing and glue returning can be realized by arranging the inflation plug assembly in the rubber tube. The integral movement of the inflating plug assembly is the basic auxiliary control of the glue outlet amount, and meanwhile, the air pressure in the second cavity is controlled to control the glue outlet amount accurately, so that the control precision of the glue outlet amount in the glue dispensing process is improved. When glue resorption, through the reverse exhaust of aerifing the stopper subassembly, make the second cavity present vacuum state fast to realize the quick resorption of glue, glue resorption goes on with the exhaust instruction in step, and reaction rate is fast, need not to set up the resorption control command alone, has greatly improved glue resorption speed, avoids some glued backs, and glue remains at a mouthful, causes glue to drip, influences the product yield.
Drawings
Fig. 1 is a schematic structural diagram of a dispensing device according to an embodiment of the present invention.
FIG. 2 is a schematic view of a first vent hole in a pneumatic plug assembly according to an embodiment of the present invention in a first position.
FIG. 3 is a schematic view of a first vent hole in a pneumatic plug assembly according to an embodiment of the present invention in a second position.
FIG. 4 is a schematic illustration of a plug body in a first position of an inflation plug assembly according to another embodiment of the present invention.
FIG. 5 is a schematic illustration of a plug body in a second position in an inflation plug assembly according to another embodiment of the present invention.
Description of the main elements
The following detailed description will further illustrate the invention in conjunction with the above-described figures.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for purposes of illustration only.
The system embodiments described below are merely illustrative, and the division of the modules or circuits is merely a logical division, and other divisions may be realized in practice. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. Several units or means recited in the system claims may also be implemented by one and the same unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 3, an embodiment of the invention provides a dispensing device 1000, where the dispensing device 1000 includes a rubber tube 1, an inflation plug assembly 2, a rubber needle 3, and a top cover 4. The rubber tube 1 comprises a rubber outlet 12, and the rubber needle 3 is arranged at the rubber outlet 12. The top cover 4 and the rubber tube 1 enclose a containing cavity 11, and the rubber needle 3 is communicated with the containing cavity 11. The inflation plug assembly 2 is accommodated in the accommodating cavity 11, the inflation plug assembly 2 divides the accommodating cavity 11 into a first cavity 111 and a second cavity 112, and the second cavity 112 is communicated with the rubber needle 3. The inflation plug assembly 2 comprises a plug 21 and an air plug 22, the outer side wall of the plug 21 is in sliding butt joint with the inner side wall of the rubber tube 1, one end, away from the rubber outlet 12, of the air plug 22 is accommodated in the first cavity 111 and connected with the top cover 4, and one end, close to the rubber outlet 12, of the air plug 22 penetrates through the plug 21 and extends into the second cavity 112. The air plug 22 is used for reciprocating movement towards or away from the rubber plug 21 from the rubber outlet 12 under the action of air pressure, so that the first cavity 111 is communicated with or separated from the second cavity 112. Wherein the second cavity 112 is used for accommodating glue.
The first cavity 111 is filled with air pressure, the air pressure pushes the whole inflating plug assembly 2 to move towards the glue outlet 12, meanwhile, the air plug 22 is pushed to move towards the glue outlet 12 relative to the rubber plug 21, so that the first cavity 111 is communicated with the second cavity 112, and the air pressure enters the second cavity 112 and pushes glue to be sprayed out from the glue outlet 12, so that glue dispensing is achieved. After the glue is dispensed, the pressure in the first cavity 111 is discharged, and the air plug 22 moves away from the glue outlet 12, so that the second cavity 112 is in a vacuum state, and at the moment, the glue at the glue outlet 12 is pushed by the external air pressure to move into the second cavity 112, so that the glue is sucked back.
Referring to fig. 2, the rubber plug 21 further includes a through hole 23, the air plug 22 is disposed through the through hole 23, an outer side wall of the air plug 22 abuts against a side wall of the through hole 23, and meanwhile, the air plug 22 can move toward or away from the rubber outlet 12 relative to the rubber plug 21 in the through hole 23.
Referring to fig. 2 and 3, the air plug 22 includes a telescopic rod 221, one end of the telescopic rod 221 away from the glue outlet 12 is accommodated in the first cavity 111 and connected to the top cover 4, one end of the telescopic rod 221 near the glue outlet 12 is disposed through the through hole 23, and an outer sidewall of the telescopic rod 221 abuts against a sidewall of the through hole 23. The telescopic rod 221 comprises a hollow structure 226, one end of the telescopic rod 221 close to the rubber plug 21 is provided with a first air vent 223, and the first air vent 223 is communicated with the first cavity 111 through the hollow structure 226 of the telescopic rod 221. The extension rod 221 is configured to reciprocate towards or away from the rubber plug 21 towards or away from the rubber outlet 12, so that the first vent hole 223 is located at a first position or a second position. As shown in fig. 2, in the first position, the first vent 223 abuts against the rubber plug 21, so that the first cavity 111 is isolated from the second cavity 112; as shown in fig. 3, in the second position, the first vent hole 223 is communicated with the second cavity 112, so that the first cavity 111 is communicated with the second cavity 112 through the hollow structure 226 of the telescopic rod 221 and the first vent hole 223.
In this embodiment, the dimension c of the extension rod 221 is equal to or slightly larger than the dimension b of the through hole 23 along the direction a perpendicular to the extension direction of the extension rod 221. Because the rubber plug 21 has elasticity, the size b of the through hole 23 is slightly smaller than the size c of the telescopic rod 221, so that the interference fit between the rubber plug 21 and the telescopic rod 221 can be ensured, and the air tightness is ensured.
Referring to fig. 2 and 3, the air plug 22 further includes a plug 222 disposed at an end of the expansion link 221 close to the glue outlet 12, the plug 222 is accommodated in the second cavity 112, and the size of the plug 222 is larger than that of the through hole 23 along the extending direction a perpendicular to the rubber tube 1. The plug 222 can increase the air tightness of the expansion link 221 when in the first position, and ensure the complete separation of the first cavity 111 and the second cavity 112. Meanwhile, the plug 222 can also ensure that the plug 21 cannot be separated in the process that the telescopic rod 221 moves away from the glue outlet 12.
In this embodiment, along the extending direction a perpendicular to the rubber tube 1, the dimension d of the plug 222 is slightly smaller than the inner diameter of the rubber tube 1, and with this design, the plug 222 can avoid that the glue accidentally enters the first vent hole 223 to block the air plug 22 in the suck-back process.
Referring to fig. 2 and 3, the telescopic rod 221 is further provided with a second vent 224, the second vent 224 is located at a side of the first vent 223 close to the first cavity 111, the second vent 224 is communicated with the hollow structure 226 of the telescopic rod 221, wherein when the first vent 223 is located at the first position or the second position, the second vent 224 is abutted against an inner wall of the through hole 23. Through the design second venthole 224, can be right the plug 21 is applyed the vertically extending direction a's power, thereby makes plug 21 with the inseparable butt of lateral wall of rubber tube 1 avoids plug 21 is relative 1 removal in-process of rubber tube, glue gets into first cavity 111, simultaneously plug 21 can be better will be attached to glue on the inner wall of rubber tube 1 hangs, avoids glue extravagant.
Referring to fig. 2 and 3, the telescopic rod 221 is further provided with a third air vent 225, and the third air vent 225 is used for communicating the hollow structure 226 of the telescopic rod 221 with the first cavity 111.
Referring to fig. 2 and 3, the telescopic rod 221 includes a fixing portion 2211 and a telescopic portion 2212 sleeved on the fixing portion 2211, and the hollow structure 226 of the telescopic rod 221 penetrates through the fixing portion 2211 and the telescopic portion 2212. The fixing portion 2211 penetrates through and is fixed on the top cover 4, the fixing portion 2211 is communicated with the air pressure controller 51, one end, deviating from the fixing portion 2211, of the telescopic portion 2212 penetrates through the rubber plug 21, the first vent hole 223 and the second vent hole 224 are arranged at one end, close to the rubber plug 21, of the telescopic portion 2212, and the telescopic portion 2212 is used for moving towards or deviating from the rubber outlet 12 in a reciprocating mode relative to the fixing portion 2211.
In this embodiment, the fixing portion 2211 is provided with a limiting block 2213, the limiting block 2213 is used for limiting the air suction process, the rubber plug 21 deviates from the distance of the rubber outlet 12, and the rubber plug 21 is prevented from jacking the top cover 4 in the air suction process. In addition, the glue is sucked back into the second cavity 112 from the glue needle 3, the sucking back path does not need to be too large, otherwise, the glue stroke is long when glue dispensing is performed next time, the glue dispensing efficiency is affected, and meanwhile, the phenomenon that the glue quality is affected due to the fact that outside air enters the second cavity 112 is avoided.
Referring to fig. 1, in the present embodiment, the glue needle 3 is detachably disposed at the glue outlet 12, so that different glue needles 3 can be replaced according to actual glue dispensing requirements, and the flexibility of glue dispensing is stronger.
Referring to fig. 1, in this embodiment, the top cover 4 is detachably disposed at an opening of the rubber hose 1.
Referring to fig. 1, the dispensing apparatus 1000 further includes an air pressure control assembly 5, the air pressure control assembly 5 includes an air pressure controller 51 and an air tube 52 communicated with the air pressure controller 51, one end of the air tube 52 away from the air pressure controller 51 extends into the first cavity 111, and the air pressure controller 51 controls ventilation or exhaust. The automatic dispensing and suck-back process can be realized by setting the procedures of ventilation and air suction of the air pressure controller 51. The glue water resorption process does not need to independently set program instructions, has high reaction speed and can realize quick resorption.
Referring to fig. 1, the dispensing apparatus 1000 further includes a fixing frame 6, and the rubber tube 1 is fixed on the fixing frame 6, so as to prevent the rubber tube 1 from shaking during dispensing, which may cause poor dispensing.
Referring to fig. 1 to 3, when the dispensing device 1000 is used, the air pressure control assembly 5 directly fills air pressure into the first cavity 111 through the expansion link 221, the air pressure pushes the inflation plug assembly 2 to move integrally toward the glue outlet 12, and simultaneously pushes the expansion link 221 to move toward the glue outlet 12 relative to the rubber plug 21, so that the first cavity 111 is communicated with the second cavity 112 through the hollow structure 226 of the expansion link 221 and the first vent 223, and the air pressure enters the second cavity 112 through the hollow structure of the expansion link 221 and the first vent 223 and pushes the glue to be ejected from the glue outlet 12, so as to dispense glue, as shown in fig. 3. In the dispensing process, the overall movement of the inflation plug assembly 2 is the basic auxiliary control of the dispensing amount, and meanwhile, the air pressure in the second cavity 112 entering through the expansion link 221 and the first vent 223 is used for accurately controlling the dispensing amount, so that the control precision of the dispensing amount in the dispensing process is improved. After the glue is dispensed, the pressure in the first cavity 111 is discharged, the air pressure in the first cavity 111 is reduced, at this time, the air in the second cavity 112 is reversely drawn out through the hollow structure of the expansion link 221 and the first vent 223, meanwhile, the expansion link 221 is pushed by the reverse air pressure to move away from the glue outlet 12, the first cavity 111 and the second cavity 112 are isolated, so that the second cavity 112 is in a vacuum state, at this time, the glue located at the glue outlet 12 is pushed by the external air pressure to reversely move into the second cavity 112, and the glue is sucked back, as shown in fig. 2. When glue resorption, through the reverse exhaust of inflating plug subassembly 2, make second cavity 112 present vacuum state fast to realize the quick resorption of glue, glue resorption goes on with the exhaust instruction is synchronous, and reaction rate is fast, need not to set up resorption control command alone, has greatly improved glue resorption speed, avoids some glued backs, and glue remains in a jiao kou 12, causes glue to drip, influences the product yield.
The dispensing device 1000 provided by the embodiment of the invention is suitable for assembling and installing camera module parts, assembling and assembling components of electronic products and the like, assembling a circuit board and a small resistor, improving the electrical property of a camera module, insulating and isolating conductors, isolating and protecting a power supply of daily household appliances, repairing damages of safety airbags and the like, fixing electronic screens and the like with a supporting structure, and assembling and fixing living goods such as various shoes, umbrellas and the like.
Referring to fig. 4 and 5, in another embodiment, the telescopic rod 227 includes a plug 2271, a telescopic portion 2272 disposed at one end of the plug 2271 close to the first cavity 111 for connection, and a fixing portion 2273 disposed at one end of the telescopic portion 2272 far from the plug 2231, and the fixing portion 2273 is fixed on the top cover 4. In another direction perpendicular to the extending direction a, a dimension e of the plug 2271 is substantially equal to a dimension b of the through hole 23, and the dimension e of the plug 2271 is greater than a dimension f of the telescopic portion 2272. The plug body 2231 can move back and forth in the extending direction a in the through hole 23 under the driving of the telescopic portion 2272, so that the plug body 2271 is located at the first position and the second position. As shown in fig. 4, when the plug 2271 is in the first position, the plug 2271 is located in the through hole 23, and at this time, the first cavity 111 and the second cavity 112 are isolated. As shown in fig. 5, when the plug 2271 is located at the second position, that is, the plug 2271 is located in the second cavity 112, and part of the telescopic portion 2272 is located in the through hole 23, at this time, because the size f of the telescopic portion 2272 is smaller than the size b of the through hole 23, the gas located in the first cavity 111 enters the second cavity 112 from the gap between the telescopic portion 2272 and the sidewall of the through hole 23, so as to push the glue located in the second cavity 112 to flow out from the glue outlet 12.
Referring to fig. 1, 4 and 5, when the dispensing device 1000 is used, the air pressure control assembly 5 directly fills air pressure into the first cavity 111, the air pressure pushes the whole inflation plug assembly 2 to move toward the glue outlet 12, and simultaneously pushes the telescopic rod 227 to move toward the glue outlet 12 relative to the rubber plug 21, so that the plug 2271 moves from the through hole 23 into the second cavity 112, the first cavity 111 is communicated with the second cavity 112 through the through hole 23, and the air enters the second cavity 112 through the through hole 23 and pushes the glue to be ejected from the glue outlet 12, so as to dispense the glue, as shown in fig. 5. In-process is glued to the point, the bulk movement of inflating stopper subassembly 2 is the basic auxiliary control of volume of gluing out, simultaneously through pars contractilis 2272 with clearance size control between the through-hole 23 gets into atmospheric pressure in the second cavity 112, and then carries out accurate control to the volume of gluing out, has improved the control accuracy of the volume of gluing out of the in-process of gluing. After the glue is dispensed, the pressure in the first cavity 111 is discharged, the air pressure in the first cavity 111 is reduced, at this time, the air in the second cavity 112 is reversely drawn out through the through hole 23, meanwhile, the reverse air pressure pushes the expansion portion 2272 to drive the plug 2271 to move away from the glue outlet 12, the first cavity 111 and the second cavity 112 are isolated, so that the second cavity 112 is in a vacuum state, at this time, the external air pressure pushes the glue at the glue outlet 12 to reversely move into the second cavity 112, and the glue is sucked back, as shown in fig. 4. When glue resorption, through the reverse exhaust of inflating plug subassembly 2, make second cavity 112 present vacuum state fast to realize the quick resorption of glue, glue resorption goes on with the exhaust instruction is synchronous, and reaction rate is fast, need not to set up resorption control command alone, has greatly improved glue resorption speed, avoids some glued backs, and glue remains in a jiao kou 12, causes glue to drip, influences the product yield.
Compared with the prior art, the dispensing device 1000 provided by the invention has the advantages of simple structure and convenience in disassembly and assembly. The pneumatic control glue dispensing and glue returning can be realized by arranging the inflation plug component 2 in the rubber tube 1. The integral movement of the inflating plug assembly 2 is the basic auxiliary control of the glue discharging amount, and meanwhile, the air pressure in the second cavity 112 is controlled to accurately control the glue discharging amount, so that the control precision of the glue discharging amount in the glue dispensing process is improved. When glue resorption, through the reverse exhaust of inflating plug subassembly 2, make second cavity 112 present vacuum state fast to realize the quick resorption of glue, glue resorption goes on with the exhaust instruction is synchronous, and reaction rate is fast, need not to set up resorption control command alone, has greatly improved glue resorption speed, avoids some glued backs, and glue remains in a jiao kou 12, causes glue to drip, influences the product yield. The service life of the inflation plug component is long, and the inflation plug component is convenient to replace.
Claims (10)
1. A kind of glue dropping apparatus, characterized by, comprising:
the rubber tube comprises an accommodating cavity and a rubber outlet, and the accommodating cavity is communicated with the rubber outlet; and
the inflation plug assembly is accommodated in the accommodating cavity and divides the accommodating cavity into a first cavity and a second cavity, the second cavity is communicated with the glue outlet, the inflation plug assembly comprises a rubber plug and an air plug, the outer side wall of the rubber plug is in sliding butt joint with the inner side wall of the rubber tube, the rubber plug comprises a through hole, one end of the air plug, which deviates from the glue outlet, is accommodated in the first cavity, one end of the air plug, which is close to the glue outlet, penetrates through the through hole and extends into the second cavity, and the air plug is used for moving towards or deviates from the glue outlet in a reciprocating mode relative to the rubber plug under the control of air pressure so that the first cavity is communicated with or separated from the second cavity.
2. The dispensing device of claim 1, wherein the air plug comprises a retractable rod, one end of the retractable rod facing away from the glue outlet is accommodated in the first cavity, one end of the retractable rod near the glue outlet is arranged to penetrate through the rubber plug, the retractable rod is of a hollow structure, one end of the retractable rod near the rubber plug is provided with a first vent hole, the first vent hole is communicated with the first cavity through the hollow structure of the retractable rod, the retractable rod is used for reciprocating movement towards or away from the glue outlet relative to the rubber plug so as to enable the first vent hole to be in a first position or a second position,
when the first vent hole is located at the first position, the first vent hole is in contact with the side wall of the through hole, so that the first cavity is isolated from the second cavity; when the first vent hole is located at the second position, the first vent hole is communicated with the second cavity, so that the first cavity is communicated with the second cavity.
3. The dispensing apparatus of claim 1, wherein the air plug comprises a telescopic rod, the telescopic rod comprises a fixed portion, a telescopic portion, and a plug body, the plug body is disposed at an end of the telescopic portion close to the dispensing opening, the fixed portion is disposed at an end of the telescopic rod away from the plug body, the plug comprises a through hole, a dimension of the plug body is equal to a dimension of the through hole along a direction perpendicular to a moving direction of the telescopic rod, and a dimension of the telescopic portion is smaller than the dimension of the through hole; the telescopic part is used for moving towards or away from the rubber outlet in a reciprocating way relative to the rubber plug so as to enable the plug body to be positioned in the through hole or the second cavity,
when the plug body is positioned in the through hole, the first cavity is isolated from the second cavity; when the plug body is located in the second cavity, part of the telescopic part is located in the through hole, so that the first cavity is communicated with the second cavity.
4. The dispensing apparatus of claim 2 or 3, wherein the air lock further comprises a plug disposed at an end of the retractable rod facing away from the air pressure control assembly, the plug being received in the second cavity.
5. The dispensing apparatus of claim 4, wherein the plug is larger than the through hole in a direction perpendicular to the extension direction of the retractable rod.
6. The dispensing apparatus of claim 2, wherein the retractable rod further comprises a second vent hole, the second vent hole is located at a side of the first vent hole close to the first cavity, the second vent hole is communicated with the hollow structure of the retractable rod, and when the first vent hole is located at the first position or the second position, the second vent hole is abutted against a side wall of the through hole.
7. The dispensing device of claim 2, wherein the retractable rod further comprises a third vent hole, and the hollow structure of the retractable rod is communicated with the first cavity through the third vent hole.
8. The dispensing device according to claim 2, wherein the retractable rod includes a fixing portion and a retractable portion sleeved on the fixing portion, the hollow structure of the retractable rod penetrates through the fixing portion and the retractable portion, the fixing portion is accommodated in the first cavity, one end of the retractable portion, which is away from the fixing portion, penetrates through the through hole, and the retractable portion is configured to reciprocate relative to the fixing portion toward or away from the dispensing opening.
9. The dispensing apparatus of claim 8, wherein the fixed portion has a stopper.
10. The dispensing device of claim 1, wherein the dispensing device further comprises an air pressure control assembly, the air pressure control assembly comprises an air pressure controller and an air pipe communicated with the air pressure controller, and one end of the air pipe, which is far away from the air pressure controller, extends into the first cavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198404.2A CN115970980A (en) | 2021-10-14 | 2021-10-14 | Glue dispensing device |
| TW110144294A TWI788119B (en) | 2021-10-14 | 2021-11-27 | Gluing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198404.2A CN115970980A (en) | 2021-10-14 | 2021-10-14 | Glue dispensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115970980A true CN115970980A (en) | 2023-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111198404.2A Pending CN115970980A (en) | 2021-10-14 | 2021-10-14 | Glue dispensing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115970980A (en) |
| TW (1) | TWI788119B (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2202179B1 (en) * | 2008-12-23 | 2012-06-20 | The Procter & Gamble Company | Dispensing device for viscous materials |
| CN211099874U (en) * | 2019-07-08 | 2020-07-28 | 常州市宝德电器科技有限公司 | Detachable point gum machine |
| CN113171938B (en) * | 2021-04-30 | 2022-07-19 | 深圳广润信息技术有限公司 | Be used for intelligent wrist-watch display screen to be connected waterproof rubberizing device with organism |
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2021
- 2021-10-14 CN CN202111198404.2A patent/CN115970980A/en active Pending
- 2021-11-27 TW TW110144294A patent/TWI788119B/en active
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| Publication number | Publication date |
|---|---|
| TWI788119B (en) | 2022-12-21 |
| TW202315682A (en) | 2023-04-16 |
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