Dispensing valve with flushing function for dispenser
By setting springs, vents, water injection pipes and stop valves in the dispensing valve, the sealing of the rubber outlet and the reflux of the glue liquid are achieved, and the dispensing rate is controlled by combining the air valve and the air guide pipe, the dispensing valve in the existing technology is solved. The problem of difficult self-cleaning design improves the self-cleaning capability and automation process of the device.
Patent Information
- Application Number
- CN202323569686.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-27
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-27
AI Technical Summary
During use, the existing dispensing valves provide pressure to the isolation plate to achieve self-cleaning, but the design concept is difficult to achieve. Glue leakage or cleaning water flows into the hose often occurs, affecting the normal use of the device.
A dispensing valve with flushing function is designed, including a control mechanism, a cleaning mechanism and a dispensing head mechanism. By setting up a spring, a vent, a water injection pipe and a stop valve, the free sealing of the rubber outlet and the return of the rubber liquid are achieved. , combine the air valve and air conduit to control the dispensing rate, and after stopping the dispensing, the glue liquid is returned to the glue storage tank, and the self-cleaning function is achieved through the water injection port and the water injection pipe.
It improves the self-cleaning ability and automation process of the device, ensures isolation between the glue and the cleaning liquid, avoids leakage of glue and cleaning water flowing into the hose, and enhances the stability and convenience of the device.
Smart Images
Figure CN222174640U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of glue dispensing machines, in particular to a glue dispensing valve with a flushing function for the glue dispensing machine. Background Art
[0002] A dispensing valve with a self-cleaning function is a specially designed dispensing valve that has the ability to automatically clean glue residue to ensure the normal operation of the dispensing valve and the quality of the glue. This type of dispensing valve is usually equipped with a cleaning liquid supply system and a cleaning program, which can automatically clean after the dispensing operation is completed to remove glue residues for next use.
[0003] The commonly used dispensing valves in the prior art usually use water to provide pressure to the isolation plate to isolate the glue tank from the water, thereby self-cleaning the front end of the dispensing valve. However, the design concept is difficult to achieve during use. The pressure of the water flow on the isolation plate is difficult to achieve the isolation effect, and glue leakage or cleaning water flowing into the rubber hose often occurs, affecting the operation of the device. Utility Model Content
[0004] The purpose of the utility model is to provide a dispensing valve for a dispensing machine with a flushing function, so as to solve the problem proposed in the above background technology that commonly used dispensing valves usually use water to provide pressure to an isolation plate to isolate the glue tank from water so as to self-clean the front end of the dispensing valve, but the design concept is difficult to achieve during use, the pressure of the water flow on the isolation plate is difficult to achieve the isolation effect, and glue leakage or cleaning water flowing into the hose often occurs, which affects the operation of the device and affects the normal use of the device.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a dispensing valve for a dispensing machine with a flushing function, comprising a control mechanism, a cleaning mechanism and a dispensing head mechanism, wherein the cleaning mechanism is located in the middle of the inner end of the control mechanism, and the dispensing head mechanism is located in the middle of the front end of the control mechanism, the cleaning mechanism comprises a connecting pipe, a glue storage pipe, a glue outlet, an air vent, a spring and a water injection pipe, the glue storage pipe is assembled at the front end of the connecting pipe, the glue outlet is arranged at the front end of the connecting pipe, the air vent is arranged on the upper surface of the glue outlet, the spring is embedded in the inside of the air vent, the water injection pipe is arranged on the surface side of the glue outlet, and the glue stop valve is installed at the front end of the spring.
[0006] According to some embodiments of the utility model, the control mechanism includes a glue injection port, a glue storage tank, an air guide pipe, an air valve, an installation box, a mounting port and a water injection port. The glue injection port is arranged at the front end of the glue storage tank, the air guide pipe is connected to the middle of the inner end of the glue storage tank, the air valve is connected to the end of the air guide pipe, the installation box is installed at the lower end of the air valve, the mounting port is arranged in the middle of the front end of the installation box, and the water injection port is embedded in the side surface of the installation box. By arranging the air valve and the air guide pipe, the glue dispensing rate of the device is controlled by the air valve, and the glue liquid can flow back into the glue storage tank after stopping the glue dispensing, which is more convenient for self-cleaning of the device.
[0007] According to some embodiments of the utility model, the dispensing head mechanism includes a dispensing tube, a nut and a dispensing needle. The dispensing needle is arranged in the middle of the front end of the dispensing tube through the nut. By setting the nut and the dispensing needle, the connection between the dispensing needle and the device is made tighter, thereby adapting to the pressure provided by the device and improving the dispensing stability of the device.
[0008] According to some embodiments of the utility model, the glue injection port is connected with the glue storage tank, and the glue storage tank is connected with the glue storage pipe. By setting the glue injection port connected with the glue storage tank, the glue liquid can enter the glue storage tank through the glue injection port, making it easy to fill the device with glue liquid, thereby improving the convenience of the device.
[0009] According to some embodiments of the utility model, the water injection port is connected to the water injection pipe, and the air valve is connected to the vent. By arranging the water injection port to be connected to the water injection pipe, the device can realize a self-cleaning function, and by arranging the air valve to be connected to the vent, the automation process of the device is improved.
[0010] According to some embodiments of the utility model, the spring is installed inside the air hole and connected to a glue stop valve, and the glue stop valve is adapted to the glue outlet. By installing the spring inside the air hole and connecting to the glue stop valve, the device can close the glue outlet under the action of the air valve, which is convenient for the backflow of the glue liquid and also convenient for the device to isolate the glue liquid and the cleaning liquid.
[0011] According to some embodiments of the utility model, the dispensing tube is installed at the inner end of the installation port, and the dispensing tube is adapted to the installation port. By arranging the dispensing tube to be adapted to the installation port, the device can be installed with dispensing tubes of different models, thereby improving the adaptability of the device.
[0012] According to some embodiments of the utility model, the nut is spirally connected to the dispensing needle, and the nut is adapted to the dispensing needle. By setting the nut and the dispensing needle to be spirally connected, the dispensing needle is easy to replace, thereby improving the convenience of the device.
[0013] Compared with the prior art, the beneficial effects of the embodiments of the utility model are:
[0014] 1. The dispensing valve for the dispensing machine with flushing function realizes free closure of the dispensing port by setting a spring, so that the device has the ability to reflux the glue liquid and separate the glue liquid from the cleaning liquid, thereby improving the self-cleaning ability of the device;
[0015] 2. The dispensing valve for the dispensing machine with flushing function can realize the self-cleaning function of the device by setting the water injection port connected with the water injection pipe, and the automation process of the device is improved by setting the air valve and the air vent. The dispensing rate of the device is controlled by the air valve by setting the air valve and the air guide pipe, and the glue liquid can flow back to the glue storage tank after stopping the dispensing, which is more convenient for the device to realize self-cleaning;
[0016] 3. The dispensing valve for the dispensing machine with flushing function is provided with a spiral connection between the nut and the dispensing needle, so that the dispensing needle is easy to replace, thereby improving the convenience of the device. By providing the dispensing tube to be compatible with the installation port, the device can be installed with dispensing tubes of different models, thereby improving the adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a three-dimensional structural diagram of the control mechanism of the utility model;
[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the cleaning mechanism of the utility model;
[0021] Figure 4 It is a three-dimensional structural schematic diagram of the dispensing head mechanism of the utility model.
[0022] In the figure: 1. Control mechanism; 101. Glue injection port; 102. Glue storage tank; 103. Air guide tube; 104. Air valve; 105. Installation box; 106. Installation port; 107. Water injection port; 2. Cleaning mechanism; 201. Connecting tube; 202. Glue storage tube; 203. Glue outlet; 204. Air vent; 205. Spring; 206. Water injection tube; 207. Glue stop valve; 3. Glue dispensing head mechanism; 301. Glue dispensing tube; 302. Nut; 303. Glue dispensing needle. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-Figure 4 , the utility model provides a technical solution: the utility model provides the following technical solution: a dispensing valve for a dispensing machine with a flushing function, comprising a control mechanism 1, a cleaning mechanism 2 and a dispensing head mechanism 3, the cleaning mechanism 2 is located in the middle of the inner end of the control mechanism 1, and the dispensing head mechanism 3 is located in the middle of the front end of the control mechanism 1, the cleaning mechanism 2 comprises a connecting pipe 201, a glue storage pipe 202, a glue outlet 203, an air vent 204, a spring 205 and a water injection pipe 206, the glue storage pipe 202 is assembled at the front end of the connecting pipe 201, the glue outlet 203 is arranged at the front end of the connecting pipe 201, the air vent 204 is arranged on the upper surface of the glue outlet 203, the spring 205 is embedded in the air vent 204, the water injection pipe 206 is arranged on the surface side of the glue outlet 203, and the glue stop valve 207 is installed at the front end of the spring 205, the control mechanism 1 comprises a glue injection port 101, a glue storage tank 102, an air guide pipe 103, an air valve 104, an installation box 105, an installation port 106 and water injection port 107, the glue storage tank 102 is arranged at the front end of the glue injection port 101, the air guide pipe 103 is connected to the middle of the inner end of the glue storage tank 102, the air valve 104 is connected to the end of the air guide pipe 103, the installation box 105 is arranged at the lower end of the air valve 104, the installation port 106 is installed in the middle of the front end of the installation box 105, and the water injection port 107 is embedded in the side surface of the installation box 105. By setting the air valve 104 and the air guide pipe 103, the dispensing rate of the device is affected by the air The valve 104 is controlled and can make the glue return to the glue storage tank 102 after stopping dispensing, which is more convenient for self-cleaning of the device. The dispensing head mechanism 3 includes a dispensing tube 301, a nut 302 and a dispensing needle 303. The dispensing needle 303 is installed in the middle of the front end of the dispensing tube 301 through the nut 302. By setting the nut 302 and the dispensing needle 303, the connection between the dispensing needle 303 and the device is tighter, thereby adapting to the pressure provided by the device and improving the dispensing stability of the device.
[0025] See also Figure 2-Figure 3The glue injection port 101 is connected with the glue storage tank 102, and the glue storage tank 102 is connected with the glue storage pipe 202. By setting the glue injection port 101 to be connected with the glue storage tank 102, the glue liquid can enter the glue storage tank 102 through the glue injection port 101, so that the device is easy to fill with glue liquid, which improves the convenience of the device. The water injection port 107 is connected with the water injection pipe 206, and the air valve 104 is connected with the vent 204. By setting the water injection port 107 to be connected with the water injection pipe 206, the device can realize a self-cleaning function, and by setting the air valve 104 to be connected with the vent 204, the automation process of the device is improved.
[0026] See also Figure 3-Figure 4 The spring 205 is installed inside the vent 204 and is connected to a stop valve 207, which is compatible with the glue outlet 203. By installing the spring 205 inside the vent 204 and connecting the stop valve 207, the device can close the glue outlet 203 under the action of the air valve 104, which is convenient for the reflux of the glue liquid and the isolation of the glue liquid and the cleaning liquid by the device. The dispensing tube 301 is installed at the inner end of the installation port 106, and the dispensing tube 301 is compatible with the installation port 106. By setting the dispensing tube 301 to be compatible with the installation port 106, the device can install dispensing tubes 301 of different models, thereby improving the adaptability of the device. The nut 302 is spirally connected to the dispensing needle 303, and the nut 302 is compatible with the dispensing needle 303. By setting the nut 302 to the dispensing needle 303 to be spirally connected, the dispensing needle 303 is easy to replace, thereby improving the convenience of the device.
[0027] Working principle: The technical solution of the utility model is a dispensing valve for a dispensing machine with a flushing function. First, the device is taken out and installed on the suitable dispensing machine. The device is filled with glue through the glue injection port 101, and the glue enters the glue storage tank 102. By controlling the air valve 104, the air pressure inside the glue storage tank 102 can be adjusted by the air guide pipe 103, so as to realize the control of the device's dispensing rate. The glue reaches the glue outlet 203 through the glue storage pipe 202 and is finally discharged from the dispensing needle 303. When the dispensing is completed, Afterwards, the glue liquid will flow back through the action of the air valve 104 and finally flow back to the glue storage tank 102. At the same time, the air valve 104 will squeeze the spring 205 through the vent 204 so that the glue stop valve 207 will close the glue outlet 203 to facilitate the backflow of the glue liquid. After the closure is completed, the water injection port 107 is connected through a water pipe, and the cleaning liquid enters from the water injection port 107 through the water injection pipe 206 to the closed front end part of the glue outlet 203, and is finally discharged from the dispensing needle 303, thereby completing the self-cleaning of the dispensing valve.
[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A dispensing valve for a dispensing machine with a flushing function, characterized in that: include: Control agency (1); A cleaning mechanism (2) located in the middle of the inner end of the control mechanism (1); The dispensing head mechanism (3) is located in the middle of the front end of the control mechanism (1). The cleaning mechanism (2) comprises a connecting tube (201), a glue storage tube (202), a glue outlet (203), a vent (204), a spring (205) and a water injection tube (206); the glue storage tube (202) is mounted on the front end of the connecting tube (201); the glue outlet (203) is arranged at the front end of the connecting tube (201); the vent (204) is arranged on the upper surface of the glue outlet (203); the spring (205) is embedded in the vent (204); and the water injection tube (206) is arranged on the side surface of the glue outlet (203).
2. The dispensing valve with flushing function for a dispensing machine according to claim 1, characterized in that: The control mechanism (1) comprises a glue injection port (101), a glue storage tank (102), an air guide pipe (103), an air valve (104), a mounting box (105), a mounting port (106) and a water injection port (107); the glue injection port (101) is arranged at one end of the glue storage tank (102); the air guide pipe (103) is connected to the middle of the glue storage tank (102); the air valve (104) is connected to the end of the air guide pipe (103); the mounting box (105) is installed at the lower end of the air valve (104); the mounting port (106) is arranged at the middle of the front end of the mounting box (105); and the water injection port (107) is embedded in the side surface of the mounting box (105).
3. The dispensing valve for a dispensing machine with a flushing function according to claim 2 is characterized in that: The glue dispensing head mechanism (3) comprises a glue dispensing tube (301), a nut (302) and a glue dispensing needle (303); the glue dispensing needle (303) is arranged at the middle of the front end of the glue dispensing tube (301) through the nut (302).
4. The dispensing valve with flushing function for a dispensing machine according to claim 2, characterized in that: The glue injection port (101) is connected to a glue storage tank (102), and the glue storage tank (102) is connected to a glue storage pipe (202).
5. The dispensing valve with flushing function for a dispensing machine according to claim 4, characterized in that: The water injection port (107) is connected to the water injection pipe (206), and the air valve (104) is connected to the air vent (204).
6. The dispensing valve with flushing function for a dispensing machine according to claim 2, characterized in that: The spring (205) is installed inside the vent hole (204) and is connected to a glue stop valve (207), and the glue stop valve (207) is compatible with the glue outlet (203).
7. The dispensing valve with flushing function for a dispensing machine according to claim 3, characterized in that: The glue dispensing tube (301) is installed in the installation opening (106), and the glue dispensing tube (301) is compatible with the installation opening (106).
8. The dispensing valve with flushing function for a dispensing machine according to claim 3, characterized in that: The nut (302) and the glue dispensing needle (303) are spirally connected, and the nut (302) and the glue dispensing needle (303) are compatible.