CN216094573U - Reverse-drawing type scraping gun - Google Patents
Reverse-drawing type scraping gun Download PDFInfo
- Publication number
- CN216094573U CN216094573U CN202122025760.6U CN202122025760U CN216094573U CN 216094573 U CN216094573 U CN 216094573U CN 202122025760 U CN202122025760 U CN 202122025760U CN 216094573 U CN216094573 U CN 216094573U
- Authority
- CN
- China
- Prior art keywords
- glue
- piston rod
- channel
- gun
- reverse
- 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.)
- Active
Links
Images
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model relates to a reverse-pumping type scraping gun which comprises a main body, an electromagnetic valve and a piston rod, wherein an airflow channel and a glue outlet channel are arranged in the main body, the electromagnetic valve is connected with the airflow channel, the piston rod is arranged in the main body, the airflow channel and the glue outlet channel are respectively arranged above and below the piston rod, the glue outlet channel is communicated with a glue outlet of the main body, a plug head is arranged at the bottom of the piston rod, the plug head is positioned in the glue outlet channel and above the channel opening of the glue outlet channel, a stop block is arranged in the glue outlet channel, and an inner seal is arranged between the piston rod and the stop block. The reverse-suction type glue scraping gun can suck glue reversely, when the electromagnetic valve sucks air reversely, glue below the gun can be sucked up, the glue gun is blocked from outputting excessive glue, quick and accurate glue breaking is realized, the glue output amount in unit time is well controlled, and the glue scraping gun can uniformly glue.
Description
Technical Field
The utility model relates to the technical field of hot melt glue machines, in particular to a reverse-pumping type scraping gun.
Background
The hot melt adhesive machine is used for gluing or spraying adhesive, and is electromechanical equipment integrating a precise temperature control function, a fluid pressurization conveying function and an extrusion coating function. The scraping gun is a device for spraying and scraping the hot melt adhesive, has the functions of opening and closing the adhesive liquid, and controls the opening and closing of the adhesive liquid by driving the gun body to work by the compressed air controlled by the electromagnetic valve. The existing scraping gun cannot be used for quickly and accurately breaking glue in the using process, and the glue output amount per unit time cannot be well controlled, so that the glue is not uniformly spread by the scraping gun.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides the reverse-pumping type scraping gun which is stable in glue discharging, rapid and accurate in glue breaking and uniform in glue coating.
The specific technical scheme is as follows: the utility model provides a rifle is scraped to anti-formula of taking out, includes the main part, solenoid valve and piston rod, is equipped with airflow channel in the main part and goes out gluey passageway, the solenoid valve is connected with airflow channel, and the piston rod setting is in the main part, and airflow channel and play gluey passageway set up respectively in the top and the below of piston rod, go out gluey passageway and the play mouth of gluing of main part intercommunication, the piston rod bottom is equipped with the chock plug, and the chock plug is arranged in going out gluey passageway and is located the mouth of the passageway top of gluing, be equipped with the dog in going out gluey passageway, seal in having between piston rod and the dog.
Preferably, the bottom of the plug head is rhombic.
Preferably, the bottom of the plug head is wrapped by hard fluorine rubber.
Preferably, the electromagnetic valve is a pressure regulating valve.
Preferably, the airflow channel comprises a first channel and a second channel, and the airflow direction in the first channel and the second channel is opposite.
Preferably, the piston rod is located in the first air flow passage.
As the preferred scheme, the glue outlet channel comprises a transverse channel and a vertical channel, one end of the transverse channel is communicated with the glue inlet of the main body, and the stop block and the piston rod are arranged in the vertical channel.
The utility model has the technical effects that: the reverse-suction type glue scraping gun can suck glue reversely, when the electromagnetic valve sucks air reversely, glue below the gun can be sucked up, the glue gun is blocked from outputting excessive glue, quick and accurate glue breaking is realized, the glue output amount in unit time is well controlled, and the glue scraping gun can uniformly glue.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a reverse draw gun according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a backspraying gun according to an embodiment of the present invention.
Fig. 3 is a schematic view of a piston rod of an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a of fig. 3 of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
As shown in fig. 1 to 4, the reverse drawing type scraping gun of the embodiment includes a main body 1, an electromagnetic valve 2 and a piston rod 3, an air flow channel 4 and a glue outlet channel 5 are arranged in the main body 1, and the electromagnetic valve 2 is connected with the air flow channel 4. The piston rod 3 is arranged in the main body 1, and the air flow channel 4 and the glue outlet channel 5 are respectively arranged above and below the piston rod 3. Go out gluey passageway 5 and the mouth 11 intercommunication of going out of main part 1, piston rod 3 bottom is equipped with stopper 31, and stopper 31 is arranged in going out gluey passageway 5 and is arranged in the passway 51 top of going out gluey passageway 5. A stop block 6 is arranged in the glue outlet channel 5, and an inner seal 7 is arranged between the piston rod 3 and the stop block 6. In the technical scheme, the electromagnetic valve 2 controls air to enter and reach the pressure inlet 8, so that the piston rod 3 is driven to move downwards, the plug head 31 of the piston rod does not stop glue discharging any more, and the inner glue is pressed out downwards. The glue flows in the glue outlet channel 5, the piston rod 3 is driven by air pressure to move downwards, and the glue flows down from the upper part and enters the glue outlet 11. When glue discharging is stopped, the electromagnetic valve 2 sucks air reversely at once, the piston rod 3 is lifted upwards, the inner sealing opening 7 of the glue discharging check block 6 is plugged in through the guide piston rod 3, when the glue discharging check block continues to move upwards, glue below can be drawn out, and the glue gun is prevented from outputting excessive glue. Through above-mentioned technical scheme, can realize quick accurate disconnected glue, the output of well control unit interval glues the volume, makes and scrapes the rifle rubber coating even.
In this embodiment, the bottom of the plug 31 is a diamond shape. The diamond-shaped manufacturing is adopted, so that the glue outlet can not be completely blocked even if the air pressure is higher. The bottom of the plug head is wrapped by hard fluororubber, so that the rubber discharge amount can be controlled by controlling the air inlet pressure to a certain degree according to the elasticity, and the rubber discharge precision is ensured. The solenoid valve of this embodiment is the air-vent valve to accurate control input gas, control pressure.
In this embodiment, the airflow channel 4 includes a first channel 41 and a second channel 42, and the airflow directions in the first channel 41 and the second channel 42 are opposite. When the air flow is such that the first channel 41 flows towards the second channel 42, the piston rod descends; when the air flow and thus the second channel 42 flows towards the first channel 41, the piston rod is moving upwards. The piston rod 3 is located in the first air flow passage 41. The glue outlet channel 5 comprises a transverse channel 52 and a vertical channel 53, one end of the transverse channel 52 is communicated with the glue inlet 12 of the main body 1, and the stop block 6 and the piston rod 3 are arranged in the vertical channel 53.
The rifle is scraped to anti-formula of taking out of this embodiment can suck the disconnected glue backward, and when the solenoid valve carried out reverse breathing in, the piston rod lifted upwards, and the piston rod seals in filling in out gluey baffle, and when continuing the rebound, the below was glued and can be taken out promptly, blocks gluey rifle output surplus glue, realizes quick accurate disconnected glue, and the output volume of gluing of good control unit interval makes and scrapes the rifle rubber coating even.
The reverse drawing type scraper gun of the present invention has been described above, but the present invention is not limited to the above specific embodiment, and various modifications and changes can be made without departing from the scope of the claims. The present invention includes various modifications and alterations within the scope of the claims.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a rifle is scraped to anti-formula of taking out, a serial communication port, includes the main part, solenoid valve and piston rod, is equipped with airflow channel in the main part and goes out gluey passageway, the solenoid valve is connected with airflow channel, and the piston rod setting is in the main part, and airflow channel sets up respectively in the top and the below of piston rod with going out gluey passageway, go out gluey passageway and the play mouth intercommunication of gluing of main part, the piston rod bottom is equipped with the chock plug, and the chock plug is arranged in going out gluey passageway and is arranged in the mouth top of the passageway that goes out, go out to be equipped with the dog in gluey passageway, seals in having between piston rod and the dog.
2. The backdraft lance defined in claim 1 wherein the plug base is diamond shaped.
3. The reverse draft swab gun of claim 2, wherein said plug base is coated with a hard fluoro-elastomer.
4. The reverse draw gun according to claim 1 wherein the solenoid valve is a pressure regulating valve.
5. The reverse draw gun of claim 1, wherein the airflow passages include a first passage and a second passage, the airflow direction in the first passage and the second passage being opposite.
6. The reverse draw gun according to claim 5, wherein the piston rod is located in the first air flow passage.
7. The reverse-drawing type scraping gun according to claim 1, wherein the glue outlet channel comprises a transverse channel and a vertical channel, one end of the transverse channel is communicated with the glue inlet of the main body, and the stop block and the piston rod are arranged in the vertical channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122025760.6U CN216094573U (en) | 2021-08-26 | 2021-08-26 | Reverse-drawing type scraping gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122025760.6U CN216094573U (en) | 2021-08-26 | 2021-08-26 | Reverse-drawing type scraping gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216094573U true CN216094573U (en) | 2022-03-22 |
Family
ID=80728727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122025760.6U Active CN216094573U (en) | 2021-08-26 | 2021-08-26 | Reverse-drawing type scraping gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216094573U (en) |
-
2021
- 2021-08-26 CN CN202122025760.6U patent/CN216094573U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203730263U (en) | Pneumatic diaphragm pump | |
| CN205463011U (en) | Adhesive deposite device with resorption formula point plastic pin | |
| CN216094573U (en) | Reverse-drawing type scraping gun | |
| CN107178620A (en) | The automatic stop valve and filter element of water purifier of a kind of filter element of water purifier | |
| CN102600540A (en) | Oxygen humidifying bottle with liquid accumulator | |
| CN101534964B (en) | Method and device for discharging liquid material | |
| CN215673724U (en) | Piston type three-way valve | |
| CN213670235U (en) | Double-component back suction type dispensing valve | |
| CN214682619U (en) | Pneumatic high-pressure valve | |
| CN115930083A (en) | Pressurized oil mist lubrication system | |
| CN211989436U (en) | Adhesive dispensing device and adhesive dispensing equipment with same | |
| CN113318922A (en) | Dispensing machine | |
| CN210135451U (en) | Trace liquid transfer device and trace liquid transfer system | |
| CN206647225U (en) | A kind of pneumatic structure of oleo-pneumatic pump | |
| CN202554702U (en) | Oxygen humidifying container with reservoir | |
| CN207064352U (en) | A kind of multidigit monitors flow converter | |
| CN214456749U (en) | Paste filling machine | |
| CN211099882U (en) | Glue discharging device with adjustable glue discharging amount for glue pouring machine | |
| CN216789370U (en) | Pneumatic control switch valve | |
| CN215711717U (en) | Filling nozzle | |
| CN218222488U (en) | Leak-proof self-suction flavor blending feeding nozzle | |
| CN217030060U (en) | Cylinder manifold and pressure distribution device | |
| CN215473859U (en) | Printing head for green printing | |
| CN204805689U (en) | Relief pressure valve suitable for liquid silica gel | |
| CN110126866A (en) | A kind of negative-pressure balancing and mechanical intelligent liquid supply device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |