CN117358522A - High-efficiency low-consumption glue gun - Google Patents
High-efficiency low-consumption glue gun Download PDFInfo
- Publication number
- CN117358522A CN117358522A CN202311652902.9A CN202311652902A CN117358522A CN 117358522 A CN117358522 A CN 117358522A CN 202311652902 A CN202311652902 A CN 202311652902A CN 117358522 A CN117358522 A CN 117358522A
- Authority
- CN
- China
- Prior art keywords
- glue
- cavity
- control
- isostatic pressing
- glue containing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003292 glue Substances 0.000 title claims abstract description 172
- 238000007789 sealing Methods 0.000 claims abstract description 103
- 238000000462 isostatic pressing Methods 0.000 claims abstract description 43
- 238000000926 separation method Methods 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 239000007921 spray Substances 0.000 description 5
- 239000002775 capsule Substances 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The invention relates to the technical field of glue spraying equipment, and particularly discloses a high-efficiency low-consumption glue spraying gun, which comprises a control upper body and a glue outlet lower body; the glue outlet lower body is provided with a glue containing cavity and a glue outlet cavity; the control upper body is provided with a pushing cavity and a return cavity, and the control needle body penetrates through the return cavity and sequentially extends to the glue containing cavity and the glue outlet cavity; a sealing assembly is arranged between the control needle body and the glue containing shell, the sealing assembly comprises a Y-shaped sealing ring and an isostatic pressing bag body embedded into the lip of the Y-shaped sealing ring, an air passage is communicated between the control cylinder body and the glue containing shell, one end of the air passage is communicated with the return cavity, and the other end of the air passage is communicated with the isostatic pressing bag body. According to the invention, after the isostatic pressing bag body is inflated and expanded, the isostatic pressing bag body is bent Zhang Er to squeeze Xu Kongjian of the glue containing cavity, and the control needle body speed reduction effect generated by the inflation and extrusion of the isostatic pressing bag body and the sealing inner lip is cooperatively matched, so that the pressure change amplitude of the glue containing cavity when the control needle body moves upwards to break glue is jointly controlled, and the vacuum bag and bubbles are prevented from being generated in the back suction glue breaking process.
Description
Technical Field
The invention relates to the technical field of glue spraying equipment, in particular to a high-efficiency low-consumption glue spraying gun.
Background
The glue gun is one of the common devices in the spraying industry, and is generally matched with a pressure barrel, an electromagnetic valve and an air pump system to drop and coat fluid glue on the surface of a product or in the product, and applicable fluids comprise adhesive, solid glue, paint, conductive glue, AB glue, polyurethane glue and the like.
The spray gun structure generally comprises a cylinder, a piston, a thimble, a valve body, a sealing gasket, a glue spraying nozzle and the like, and when the spray gun structure works, an external air pump system pumps high-pressure air into the cylinder to enable the piston to move upwards with the thimble and open a glue outlet, glue liquid is sprayed out of the glue spraying nozzle under the external pressure conveying effect, and glue spraying operation is realized; the gap between the thimble and the valve body is sealed through the sealing gasket, and the thimble moves up and down and can abrade the sealing gasket, so that the gap is generated between the thimble and the sealing gasket, and further, the sealing stability and the sealing strength of a rubber cavity of the valve body can not meet the requirements, and the outside air easily enters the rubber cavity to form bubbles or the phenomenon of glue overflow occurs in the glue spraying process. In addition, the thimble moves up fast, causes the pressure drop in the glue chamber obvious, although reach the back suction effect, quick break glue but easily separate out saturated gas and thereby produce the bubble, the bigger the thimble moves up the speed the more obvious pressure drop, the glue chamber volume becomes big fast simultaneously, glue comes not to return to fill, then probably leads to producing vacuum package.
Disclosure of Invention
The invention aims to provide a high-efficiency low-consumption glue gun which has a back suction glue breaking function, can enhance the sealing strength and sealing stability of a glue containing cavity, and can avoid vacuum bags and bubbles generated in the glue containing cavity.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the high-efficiency low-consumption glue gun comprises a control upper body and a glue outlet lower body;
the glue outlet lower body comprises a glue containing shell and a glue outlet nozzle detachably connected to the bottom of the glue containing shell, a glue containing cavity is formed in the glue containing shell, and a glue outlet cavity communicated with the glue containing cavity is arranged between the glue containing shell and the glue outlet nozzle;
the control upper body comprises a control cylinder body, a control piston arranged in the control cylinder body in a sliding sealing manner and a control needle body fixedly connected with the control piston, wherein a pushing cavity and a return cavity are formed in the control cylinder body, and the control needle body penetrates through the return cavity and sequentially extends to the glue containing cavity and the glue outlet cavity;
the lower sealing ring for sealing or opening the communication part between the glue containing cavity and the glue outlet cavity is arranged at the bottom end of the control needle body;
an upper sealing ring is arranged between the control needle body and the control cylinder body;
the control needle body and hold and be provided with seal assembly between the gluey casing, seal assembly includes Y type sealing washer, embedding Y type sealing washer lip's isostatic pressing bag body and holds gluey casing detachable connection and compresses tightly the compact heap of Y type sealing washer, the intercommunication is provided with the air flue between control cylinder body and the gluey casing, the one end intercommunication return stroke chamber of air flue and the other end intercommunication isostatic pressing bag body of air flue.
Preferably, the detachable connection mode of the glue outlet nozzle and the glue containing shell is threaded connection.
Preferably, the detachable connection mode between the compaction block and the glue containing shell is threaded connection.
Preferably, the compaction block is axially penetrated and provided with a shaft hole, the control needle body movably penetrates through the shaft hole, and a movable gap is reserved between the control needle body and the inner wall of the shaft hole.
Preferably, the radial protruding circular dog and the spacing separation blade that is equipped with in control needle bottom, spacing separation blade just is in circular dog top be left between spacing separation blade and the circular dog and be used for pressing from both sides dress lower sealing washer's installation space, the diameter of circular dog is greater than the diameter of holding the intercommunication department between gluey chamber and the play gluey chamber, the external diameter of lower sealing washer is greater than the external diameter of circular dog and the internal diameter of lower sealing washer and the partial tight fit that is located the installation space of control needle, the upper and lower face of lower sealing washer respectively with spacing separation blade and circular dog tight fit.
Preferably, an air guide connector is fixedly arranged at the position of the air passage, which is communicated with the isostatic pressing bag body, and the air guide connector extends into the isostatic pressing bag body and is connected with the bag wall of the isostatic pressing bag body in a sealing way.
Preferably, the sealing inner lip of the Y-shaped sealing ring faces the glue containing cavity and is positioned at the upper part of the glue containing cavity, and one side of the isostatic pressing bag body is positioned in the upper part of the glue containing cavity.
Preferably, a limiting retainer ring is arranged on the inner wall of the rubber containing shell below the isostatic pressing bag body.
Compared with the prior art, the invention has the following beneficial effects:
the sealing component is arranged between the control needle body and the glue containing cavity of the glue containing shell and comprises the Y-shaped sealing ring, the isostatic pressing bag body and the pressing block, the pressing block can be detachably arranged and presses the Y-shaped sealing ring, the installation positions of the Y-shaped sealing ring and the isostatic pressing bag body on the glue containing shell are fixed, and the Y-shaped sealing ring is convenient to maintain and replace; the isostatic pressing bag body is embedded into the lip of the Y-shaped sealing ring and is communicated with the return cavity of the control cylinder body through the air passage, when the return cavity is used for air intake, high-pressure air rapidly enters the isostatic pressing bag body through the air passage, the Y-shaped sealing ring is extruded in the early stage of upward movement of the control needle body, the friction resistance of the Y-shaped sealing ring and the control needle body is increased, the upward movement speed of the control needle body is reduced to a certain extent, the sealing strength of the Y-shaped sealing ring on the control needle body is also enhanced while the pressure drop of the glue containing cavity is reduced, the leakage prevention capability is improved, and the characteristic that the fluid medium transmission pressure in the isostatic pressing bag body is equal in all directions is utilized, so that each point of the sealing inner lip is stressed the same, even if the local position of the sealing inner lip is worn, the sealing is consistent, and the sealing stability is enhanced.
According to the invention, after the isostatic pressing bag body is inflated and expanded, the flexible glue containing cavity Zhang Er occupies a small space of the glue containing cavity, so that the volume of the glue containing cavity is not increased due to upward movement of the control needle body, the speed reducing effect of the control needle body generated by the inflation and extrusion of the isostatic pressing bag body and the sealing inner lip is cooperated, and the pressure change amplitude of the glue containing cavity is controlled together when the control needle body moves upwards to break glue, so that vacuum bag and air bubble are prevented from being generated in the back suction and breaking glue process.
The invention has the effects of sucking back, breaking glue and not drawing wire when controlling the needle body to move upwards. When the return cavity is exhausted, the isostatic pressing bag body is deflated, the expansion extrusion of the sealing inner lip is eliminated, the sealing inner lip keeps conventional sealing with the control needle body, the resistance of the control needle body to downward movement by the Y-shaped sealing ring is reduced, and the rubber outlet can be rapidly opened in a downward movement mode and the sealing requirement is met.
Drawings
Fig. 1 is a perspective view of a spray gun of the present invention.
Fig. 2 is a broken-gel state cross-sectional view of the spray gun of the present invention.
Fig. 3 is a partial enlarged view of the portion P shown in fig. 2.
Fig. 4 is a partial enlarged view of the portion M shown in fig. 3.
Fig. 5 is a gel-out cross-sectional view of the spray gun of the present invention.
Fig. 6 is an enlarged view of the portion N shown in fig. 5.
The marks in the figure: 100. controlling the upper body; 200. discharging a lower rubber body; 10. a control cylinder; 11. a control piston; 12. controlling the needle body; 101. a propulsion chamber; 102. a return cavity; 20. a glue containing shell; 21. a glue containing cavity; 22. a glue inlet; 23. a glue outlet; 24. a limit retainer ring; 30. a glue outlet nozzle; 31. a glue outlet cavity; 41. an upper seal ring; 42. a lower seal ring; 43. a Y-shaped sealing ring; 44. isostatic pressing of the bag body; 45. a compaction block; 51. an airway; 52. an air guide joint.
Detailed Description
In order to make the above features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-6, the present embodiment provides a high-efficiency low-consumption glue gun, which comprises an upper body 100 and a lower glue outlet body 200, wherein glue is conveyed into the lower glue outlet body 200 by the pressure of an external glue barrel and is sprayed out from the bottom of the lower glue outlet body 200, and the upper body 100 is fixedly arranged above the lower glue outlet body 200 to control the opening, the glue spraying and the closing of the lower glue outlet body 200.
In this embodiment, the lower glue outlet body 200 includes a glue containing housing 20 and a glue outlet nozzle 30, where the glue containing housing 20 and the glue outlet nozzle 30 are detachably connected, for example, in a threaded manner, specifically, an outer wall of a bottom of the glue containing housing 20 is provided with an external thread, a top of the glue outlet nozzle 30 is provided with an internal thread, and the glue outlet nozzle 30 is fixed below the glue containing housing 20 through screw adaptation of the internal thread and the external thread. The glue outlet nozzle 30 can select different specifications according to glue spraying requirements.
The glue containing shell 20 is internally provided with a glue containing cavity 21, a glue inlet 22 communicated with the glue containing cavity 21 is formed in the side wall of the glue containing shell 20, a glue outlet cavity 31 communicated with the glue containing cavity 21 is formed between the glue containing shell 20 and the glue outlet nozzle 30, the glue outlet 23 is defined at the communication position of the glue containing cavity 21 and the glue outlet cavity 31, the glue inlet 22 is communicated with a glue inlet pipe so that glue pressure in an external glue barrel is conveyed into the glue containing cavity 21 under the action of external pressure, and then the glue is sprayed out from the glue outlet nozzle 30 under pressure after the glue outlet 23 is opened by the upper body 100.
In this embodiment, the control upper body 100 includes a control cylinder 10, a control piston 11 slidably and sealingly disposed in the control cylinder 10, and a control needle 12 fixedly connected to the control piston 11, where the control cylinder 10 has a pushing cavity 101 and a return cavity 102, the pushing cavity 101 is up and the return cavity 102 is down, the control piston 11 slides in the pushing cavity 101 and the return cavity 102 due to pressure difference between the two cavities, when the pushing cavity 101 is in air and the return cavity 102 is out of air, the control piston 11 moves down to drive the control needle 12 to move down and open the glue outlet 23, and when the pushing cavity 101 is out of air and the return cavity 102 is in air, the control piston 11 moves up to drive the control needle 12 to move up and close the glue outlet 23.
The control needle 12 of this embodiment passes through the return cavity 102 and extends to the glue containing cavity 21 and the glue outlet cavity 31 in sequence, wherein: an upper sealing ring 41 is arranged between the control needle body 12 and the control cylinder body 10, a sealing assembly is arranged between the control needle body 12 and the glue containing shell 20, and a lower sealing ring 42 for sealing or opening a communication part between the glue containing cavity 21 and the glue outlet cavity 31 is arranged at the bottom end of the control needle body 12. By the upper sealing ring 41, the sealing assembly and the lower sealing ring 42, the sealing performance between the control needle body 12 and the control cylinder body 10 and the glue containing shell 20 and the sealing breaking of the glue outlet 23 in the up-down telescopic movement are ensured.
Specifically, an upper through hole matched with the control needle body 12 is arranged in the control cylinder body 10 below the return cavity 102 in the embodiment, a sealing groove is concavely arranged in the upper through hole, and the upper sealing ring 41 is adapted to be tightly pressed in the sealing groove and is tightly matched with the control needle body 12, so that gas in the return cavity 102 is ensured not to leak from the upper through hole. Preferably, the upper seal 41 is an O-ring.
Specifically, in this embodiment, the radial protruding circular dog and the spacing separation blade that is equipped with in control needle 12 bottom, spacing separation blade just is in circular dog top be left between spacing separation blade and the circular dog and be used for pressing from both sides the dress lower sealing washer 42's installation space, the diameter of circular dog is greater than the diameter of holding between gluey chamber 21 and the play gluey chamber 31 intercommunication department, the external diameter of lower sealing washer 42 is greater than the external diameter of circular dog and the internal diameter of lower sealing washer 42 and the partial close fit that is located the installation space of control needle 12, the upper and lower face of lower sealing washer 42 respectively with spacing separation blade and circular dog close fit, move in place the back on control needle 12, lower sealing washer 42 seals up out gluey mouth 23, realizes that the back is inhaled to break glue, not wiredrawing.
Specifically, the seal assembly in this embodiment includes a Y-shaped seal ring 43, an isostatic pressing capsule 44 and a pressing block 45, a lower through hole communicated with the glue containing cavity 21 is formed in the upper portion of the glue containing shell 20, the control needle 12 penetrates through the lower through hole to extend into the glue containing cavity 21, the seal assembly is installed in the lower through hole and is in sealing fit with the control needle 12, and the pressing block 45 is detachably connected with the glue containing shell 20 so as to replace the Y-shaped seal ring 43 and the isostatic pressing capsule 44.
The lower through hole of this embodiment is a stepped hole with a wide upper part and a narrow lower part, the inner wall of the upper part of the upper hole is a threaded wall surface, the inner wall of the lower part of the upper hole is a smooth wall surface, the bottom surface of the upper hole is a stepped surface of the stepped hole, the aperture of the lower hole is larger than that of the control needle body 12, and the upper hole and the stepped surface are used as mounting positions of a sealing assembly.
The Y-shaped sealing ring 43 is formed by a ring main body, a sealing inner lip and a sealing outer lip which are integrally formed on one axial side of the ring main body, a lip opening of the Y-shaped sealing ring 43 is formed between the sealing inner lip and the sealing outer lip, the Y-shaped sealing ring 43 is embedded into the upper hole, the lip opening of the Y-shaped sealing ring 43 faces the glue containing cavity 21, the sealing outer lip is attached to the step surface and the smooth wall surface of the upper hole, the sealing inner lip is arranged on the upper part of the glue containing cavity 21 and is far away from the step surface to be in sealing fit with the control needle body 12, and the inner wall of the ring main body is in clearance fit with the control needle body 12 (preferably, the clearance is 0.5mm-1.2 mm).
The outer wall of the compression block 45 is provided with a thread body matched with the thread wall surface of the upper hole, the compression block 45 is in threaded connection with the upper hole and compresses the Y-shaped sealing ring 43, the axial displacement of the Y-shaped sealing ring 43 is limited by the compression block 45, and meanwhile, the sealing performance between the inner wall surface of the upper hole and the outer ring of the Y-shaped sealing ring 43 is enhanced to a certain extent by utilizing threads. In addition, the compressing block 45 axially penetrates through the shaft hole, the control needle body 12 movably penetrates through the shaft hole, a movable gap is reserved between the control needle body 12 and the inner wall of the shaft hole, and the compressing block 45 does not affect the up-and-down movement of the control needle body 12.
The isostatic pressing bag body 44 is made of elastic capsule materials and is of a circular ring structure, the isostatic pressing bag body 44 is embedded into the lip of the Y-shaped sealing ring 43, one side of the isostatic pressing bag body 44 is attached to the step surface, and the inner edge of the other side of the isostatic pressing bag body, opposite to the step surface, extends inwards to the upper portion of the glue containing cavity 21.
In order to achieve inflation and deflation of the isostatic pressing bag body 44, an air passage 51 is communicated between the control cylinder body 10 and the glue containing shell 20, one end of the air passage 51 is communicated with the return cavity 102, and the other end of the air passage 51 is communicated with the isostatic pressing bag body 44; an air guide joint 52 is fixedly arranged at the position of the air passage 51 communicated with the isostatic pressing bag body 44, and the air guide joint 52 extends into the isostatic pressing bag body 44 and is connected with the bag wall of the isostatic pressing bag body 44 in a sealing mode. When the return cavity 102 is in air, part of air flow rapidly enters the isostatic pressing bag body 44 through the air passage 51 and the air guide joint 52, and is rapidly inflated and expanded in the early stage of the upward movement of the control needle body 12, and then, on the one hand, the sealing inner lip and the ring main body are extruded, the friction resistance between the Y-shaped sealing ring 43 and the control needle body 12 is increased, the upward movement speed of the control needle body 12 is reduced to a certain extent, the sealing leakage-proof capacity of the sealing inner lip and the ring main body to the control needle body 12 is enhanced, and the upward movement speed reduction of the control needle body 12 is known according to Bernoulli equation, so that the pressure drop of the glue containing cavity 21 is reduced; on the other hand, the isostatic pressing bag body 44 expands towards the glue containing cavity 21 to occupy a small space of the glue containing cavity 21, so that the volume of the glue containing cavity 21 is prevented from becoming too large due to upward movement of the control needle body 12, the pressure change amplitude of the glue containing cavity 21 in the process of upward movement and breaking glue is controlled together in cooperation with the upward movement and the speed reduction of the control needle body 12, and the vacuum bag and the air bubble can be avoided while the back suction breaking glue is free from wire drawing.
In order to prevent the isostatic pressing bag body 44 from falling off from the lip of the Y-shaped sealing ring 43 in the use process, in this embodiment, a limiting retainer ring 24 is further disposed on the inner wall of the glue containing housing 20 below the isostatic pressing bag body 44.
While the basic principles and main features of the invention and advantages of the invention have been shown and described, it will be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are described in the foregoing description merely illustrate the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (8)
1. High-efficient low consumption spouts gluey rifle, its characterized in that: comprises an upper control body and a lower glue outlet body;
the glue outlet lower body comprises a glue containing shell and a glue outlet nozzle detachably connected to the bottom of the glue containing shell, a glue containing cavity is formed in the glue containing shell, and a glue outlet cavity communicated with the glue containing cavity is arranged between the glue containing shell and the glue outlet nozzle;
the control upper body comprises a control cylinder body, a control piston arranged in the control cylinder body in a sliding sealing manner and a control needle body fixedly connected with the control piston, wherein a pushing cavity and a return cavity are formed in the control cylinder body, and the control needle body penetrates through the return cavity and sequentially extends to the glue containing cavity and the glue outlet cavity;
the lower sealing ring for sealing or opening the communication part between the glue containing cavity and the glue outlet cavity is arranged at the bottom end of the control needle body;
an upper sealing ring is arranged between the control needle body and the control cylinder body;
the control needle body and hold and be provided with seal assembly between the gluey casing, seal assembly includes Y type sealing washer, embedding Y type sealing washer lip's isostatic pressing bag body and holds gluey casing detachable connection and compresses tightly the compact heap of Y type sealing washer, the intercommunication is provided with the air flue between control cylinder body and the gluey casing, the one end intercommunication return stroke chamber of air flue and the other end intercommunication isostatic pressing bag body of air flue.
2. The efficient low-consumption glue gun according to claim 1, wherein: the detachable connection mode of the glue outlet nozzle and the glue containing shell is threaded connection.
3. The efficient low-consumption glue gun according to claim 1, wherein: the detachable connection mode between the compaction block and the glue containing shell is threaded connection.
4. A high efficiency, low consumption glue gun according to claim 3, wherein: the compressing block axially penetrates through the shaft hole, the control needle body movably penetrates through the shaft hole, and a movable gap is reserved between the control needle body and the inner wall of the shaft hole.
5. The efficient low-consumption glue gun according to claim 1, wherein: the radial protruding circular dog and the spacing separation blade that is equipped with in control needle bottom, spacing separation blade just is in circular dog top leave between spacing separation blade and the circular dog and be used for pressing from both sides the installation space of lower part sealing washer, the diameter of circular dog is greater than the diameter of holding the intercommunication department between gluey chamber and the play gluey chamber, the external diameter of lower part sealing washer is greater than the external diameter of circular dog and the internal diameter of lower part sealing washer and the part close fit that is located the installation space of control needle, the upper and lower face of lower part sealing washer respectively with spacing separation blade and circular dog close fit.
6. The efficient low-consumption glue gun according to claim 1, wherein: and an air guide connector is fixedly arranged at the position of the air passage, which is communicated with the isostatic pressing bag body, and extends into the isostatic pressing bag body and is connected with the bag wall of the isostatic pressing bag body in a sealing way.
7. A high efficiency, low consumption glue gun according to any of claims 1 to 6, wherein: the sealing inner lip of the Y-shaped sealing ring faces the glue containing cavity and is positioned at the upper part of the glue containing cavity, and one side of the isostatic pressing bag body is positioned in the upper part of the glue containing cavity.
8. The efficient low-consumption glue gun of claim 7, wherein: and a limiting check ring is arranged on the inner wall of the rubber containing shell below the isostatic pressing bag body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311652902.9A CN117358522B (en) | 2023-12-05 | 2023-12-05 | High-efficiency low-consumption glue gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311652902.9A CN117358522B (en) | 2023-12-05 | 2023-12-05 | High-efficiency low-consumption glue gun |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117358522A true CN117358522A (en) | 2024-01-09 |
| CN117358522B CN117358522B (en) | 2024-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311652902.9A Active CN117358522B (en) | 2023-12-05 | 2023-12-05 | High-efficiency low-consumption glue gun |
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| CN215313567U (en) * | 2021-06-24 | 2021-12-28 | 深圳市汇安通科技有限公司 | Dispensing valve and have dispensing machine of dispensing valve |
| JP2022038446A (en) * | 2020-08-26 | 2022-03-10 | 東京ライト工業株式会社 | Pump dispenser |
| CN115475728A (en) * | 2022-09-20 | 2022-12-16 | 深圳市浩尚科技有限公司 | Dispensing device for sealing LED lamp |
| CN219377773U (en) * | 2023-01-08 | 2023-07-21 | 宁波市奉化弘博自动化科技有限公司 | Back suction type dispensing valve |
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| CN215313567U (en) * | 2021-06-24 | 2021-12-28 | 深圳市汇安通科技有限公司 | Dispensing valve and have dispensing machine of dispensing valve |
| CN115475728A (en) * | 2022-09-20 | 2022-12-16 | 深圳市浩尚科技有限公司 | Dispensing device for sealing LED lamp |
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| CN117358522B (en) | 2024-03-08 |
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