Rotary cleaning mechanism for dispensing nozzle

Abstract

The utility model relates to the technical field of dispensing nozzle cleaning, and discloses a dispensing nozzle rotary cleaning mechanism which comprises a fixed base and a glue spraying nozzle, an L-shaped air guide groove is formed in the fixed base, one end of the L-shaped air guide groove is communicated to an air inlet pipe connector, an air guide base is fixedly connected to the inner bottom wall of the fixed base, and the other end of the air guide base is communicated with an air inlet pipe connector. An air guide groove is formed in the bottom of the air guide base, a round hole is formed in the air guide groove and penetrates through the air guide base, and a cylinder is rotationally connected to the inner bottom wall of the air guide base through a first bearing. According to the rotary cleaning mechanism for the dispensing nozzle, through the arrangement of the fixed base, the air guide base, the first bearing, the cylinder, the impeller, the second bearing, the rotary nozzle and the glue receiving cup, the glue spraying nozzle is attached to the top of the exhaust cover plate and located above the nozzle of the rotary nozzle to be connected with an external air source, and airflow drives the impeller to achieve the circumferential rotation action of the nozzle; the function of cleaning the nozzle through strong airflow rotation is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing nozzles, in particular to a rotating cleaning mechanism for glue dispensing nozzles. Background Art

[0002] The jet dispensing valve is a type of dispensing valve commonly used in the dispensing industry. Compared with conventional glue valves, the jet valve is a high-precision dispensing valve. The glue is sprayed onto the surface of the product through high-frequency and micro-spraying methods to achieve dispensing operations. The stability of the amount of glue sprayed each time is very critical, which will affect the accuracy of the amount of glue sprayed by the jet valve. The amount of glue sprayed by the jet valve each time is small and the kinetic energy is very small. Therefore, during the spraying process, sometimes glue will remain around the nozzle. If it is not cleaned in time, it will accumulate more and more. When it accumulates to a certain amount, it will suddenly fall onto the surface of the product at an unpredictable time, causing a major abnormality in the amount of glue in this dispensing! In the usual dispensing process, in order to reduce dispensing abnormalities, the program will be set manually to automatically clean the nozzle regularly! At present, the conventional nozzle cleaning mechanism on the market uses a "circular blowing" mechanism for cleaning.

[0003] At present, the circular blowing mechanism on the market has the following disadvantages: its airflow is sprayed toward the nozzle in the circular direction at the same time, and the airflow sprayed out in the circular direction at the center of the circle will have the phenomenon of mutual force canceling each other out, resulting in a very fast airflow speed at the periphery of the nozzle, but a relatively slow airflow speed at the position of the glue outlet that actually needs to be cleaned. The slow airflow speed makes it difficult to clean the residual glue, and there is no function to collect the residual glue, so the airflow will blow the residual glue everywhere, and eventually it will fall on the surface of the product and pollute the product;

[0004] For this reason, we designed a dispensing nozzle rotating cleaning mechanism. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The technical problem solved by the utility model is to provide a dispensing nozzle rotating cleaning mechanism which is highly practical, can be easily operated and has a relatively simple structure, thereby solving the problems of difficulty in cleaning residual glue and lack of residual glue collection raised in the above-mentioned background technology.

[0007] (II) Technical solution

[0008] To achieve the above objectives, the utility model is implemented through the following technical solutions: a dispensing nozzle rotating cleaning mechanism, comprising a fixed base and a glue spray nozzle, the fixed base is provided with an L-shaped air guide groove inside, one end of the L-shaped air guide groove is connected to the air inlet pipe joint, the inner bottom wall of the fixed base is fixedly connected with the air guide base, the bottom of the air guide base is provided with an air guide groove, the inside of the air guide groove is provided with a circular hole, the circular hole penetrates the air guide base, the inner bottom wall of the air guide base is rotatably connected with a cylinder through a first bearing, an impeller is fixedly connected at the center of the surface of the cylinder, a through hole is provided in the middle of the impeller, an air inlet groove is provided on the top of the cylinder, the air inlet groove is connected with the through hole, one end of the surface of the cylinder is rotatably connected with a sealing cover plate through a second bearing, and one end of the cylinder penetrates the sealing cover plate and is connected with a rotating nozzle.

[0009] Optionally, a circular groove matching the cylinder is formed on the surface of the sealing cover plate, and a sealing ring is fixedly connected to the surface of the circular groove, and the sealing ring can reduce airflow leakage from the circular groove of the sealing cover plate.

[0010] Optionally, the bottom of the sealing cover plate is fixedly connected to the top of the air guide base, and a glue collecting cup is clamped on the top of the sealing cover plate, and the glue collecting cup can catch the blown-off glue.

[0011] Optionally, an exhaust cover is fixedly connected to the top of the fixed base, and an exhaust port is opened on the surface of the exhaust cover, and the exhaust port can exhaust excess air through the exhaust port.

[0012] Optionally, a groove matching the impeller is provided on the top of the air guide base, and the bottom of the groove is connected with a circular hole. The circular hole of the impeller allows air to pass through, thereby driving the impeller 6 to rotate, and allowing the air to be discharged upward through the top of the cylinder.

[0013] Optionally, a rotating nozzle is fixedly connected to one end of the cylinder, and as the impeller 6 is driven to rotate by the airflow, the cylinder and the rotating nozzle are driven to rotate, and the bottom of the rotating nozzle is rotatably connected to the top of the sealing cover plate.

[0014] (III) Beneficial effects

[0015] The utility model provides a dispensing nozzle rotating cleaning mechanism, which has the following beneficial effects:

[0016] The rotating cleaning mechanism for the glue dispensing nozzle fits the glue dispensing nozzle on the top of the exhaust cover plate above the nozzle of the rotating nozzle through the arrangement of a fixed base, an air guide base, a first bearing, a cylinder, an impeller, a second bearing, a rotating nozzle and a glue receiving cup, and connects an external air source. The airflow drives the impeller to realize a circular rotation of the nozzle, thereby realizing the function of rotating the nozzle with a strong airflow, and avoiding the problem that the residual glue on the winded surface cannot be cleaned due to a single angle fixation. At the same time, since the density of glue is greater than that of air, the glue will be thrown to the surroundings of the "glue receiving cup" with the airflow under the action of inertia, and finally adhere to the inner wall of the "glue receiving cup", thereby realizing the function of collecting residual glue, improving the effect of cleaning residual glue of the device, and reducing the occurrence of products contaminated by residual glue blown out by blowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the sealing cover structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the wind guide base of the utility model;

[0020] Figure 4 This is a schematic diagram of the impeller structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0022] Figure 6 This is a cross-sectional structural diagram of the fixed base of the utility model

[0023] In the figure: 1. fixed base; 2. glue spray nozzle; 3. air pipe joint; 4. air guide base; 5. cylinder; 6. impeller; 7. sealing cover; 8. rotating nozzle; 9. sealing ring; 10. glue cup; 11. exhaust cover. DETAILED DESCRIPTION

[0024] 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. 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.

[0025] See also Figures 1 to 6The utility model provides a technical solution: a dispensing nozzle rotating cleaning mechanism, including a fixed base 1 and a glue spray nozzle 2, an L-shaped air guide groove is provided inside the fixed base 1, one end of the L-shaped air guide groove is connected to the air inlet pipe joint 3, an inner bottom wall of the fixed base 1 is fixedly connected with an air guide base 4, an air guide groove is provided at the bottom of the air guide base 4, a round hole is provided inside the air guide groove, and the round hole penetrates the air guide base 4, a cylinder 5 is rotatably connected to the inner bottom wall of the air guide base 4 through a first bearing, an impeller 6 is fixedly connected at the center of the surface of the cylinder 5, a through hole is provided in the middle of the impeller 6, an air inlet groove is provided on the top of the cylinder 5, the air inlet groove is connected with the through hole, one end of the surface of the cylinder 5 is rotatably connected with a sealing cover plate 7 through a second bearing, and one end of the cylinder 5 penetrates the sealing cover plate 7 through A rotating nozzle 8 is connected, and through the arrangement of the fixed base 1, the air guide base 4, the first bearing, the cylinder 5, the impeller 6, the second bearing, the rotating nozzle 8 and the glue cup 10, the glue spray nozzle 2 is attached to the top of the exhaust cover plate 11 above the nozzle of the rotating nozzle 8, and an external air source is connected. The airflow drives the impeller 6 to realize the circumferential rotation of the nozzle, and the function of strong airflow rotating to clean the nozzle is realized, avoiding the problem that the residual glue on the winded surface cannot be cleaned due to a single angle fixation. At the same time, because the density of glue is greater than that of air, the glue will be thrown to the surroundings of the "glue cup 10" with the airflow under the action of inertia, and finally adhere to the inner wall of the "glue cup 10", so as to realize the function of collecting residual glue, thereby improving the effect of cleaning residual glue of the device and reducing the occurrence of residual glue contamination of products by blowing out by air;

[0026] The surface of the sealing cover plate 7 is provided with a circular groove adapted to the cylinder 5, and a sealing ring 9 is fixedly connected to the surface of the circular groove, and the sealing ring 9 can reduce the leakage of airflow from the circular groove of the sealing cover plate 7;

[0027] The bottom of the sealing cover plate 7 is fixedly connected to the top of the air guide base 4, and a glue receiving cup 10 is clamped on the top of the sealing cover plate 7, and the glue receiving cup 10 can catch the glue blown off;

[0028] An exhaust cover plate 11 is fixedly connected to the top of the fixed base 1, and an exhaust port is provided on the surface of the exhaust cover plate 11, through which excess air can be discharged;

[0029] A groove matching the impeller 6 is formed at the top of the air guide base 4, and the bottom of the groove is connected with a circular hole. The circular hole of the impeller 6 allows airflow to pass through, thereby driving the impeller 6 to rotate, and the airflow is discharged upward through the top of the cylinder 5;

[0030] One end of the cylinder 5 is fixedly connected with a rotating nozzle 8. As the impeller 6 is driven to rotate by the airflow, the cylinder 5 and the rotating nozzle 8 are driven to rotate. The bottom of the rotating nozzle 8 is rotatably connected to the top of the sealing cover plate 7.

[0031] In the utility model, the working steps of the device are as follows:

[0032] A strong airflow enters the air guide base 4 from the air inlet pipe joint 3. The airflow blows the impeller 6 to rotate under the guidance of the air guide base 4. At the same time, the airflow passes through the rotating nozzle 8 from the hole in the middle of the impeller 6 and sprays to the nozzle glue outlet of the glue spray nozzle 2 at a 45-degree angle. After the residual glue at the glue outlet of the glue spray nozzle 2 is blown off by the airflow, the glue density is greater than that of air, so the glue will be thrown to the surroundings of the glue cup 10 with the airflow under the action of inertia, and finally attached to the inner wall of the glue cup 10. The glue cup 10 collects the residual glue! The air is discharged upward along the exhaust port on the exhaust cover 11.

[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dispensing nozzle rotary cleaning mechanism, comprising a fixed base (1) and a dispensing nozzle (2), characterized in that: An L-shaped air guide groove is provided inside the fixed base (1), one end of the L-shaped air guide groove is connected to the air inlet pipe joint (3), the inner bottom wall of the fixed base (1) is fixedly connected to the air guide base (4), the bottom of the air guide base (4) is provided with an air guide groove, the inside of the air guide groove is provided with a circular hole, the circular hole penetrates the air guide base (4), the inner bottom wall of the air guide base (4) is rotatably connected to a cylinder (5) through a first bearing, the center of the surface of the cylinder (5) is fixedly connected to an impeller (6), the middle of the impeller (6) is provided with a through hole, the top of the cylinder (5) is provided with an air inlet groove, the air inlet groove is connected to the through hole, one end of the surface of the cylinder (5) is rotatably connected to a sealing cover plate (7) through a second bearing, and one end of the cylinder (5) penetrates the sealing cover plate (7) and is connected to a rotating nozzle (8).

2. A dispensing nozzle rotary cleaning mechanism according to claim 1, characterized in that: The surface of the sealing cover plate (7) is provided with a circular groove matched with the cylinder (5), and a sealing ring (9) is fixedly connected to the surface of the circular groove.

3. The dispensing nozzle rotary cleaning mechanism according to claim 1, characterized in that: The bottom of the sealing cover plate (7) is fixedly connected to the top of the air guide base (4), and the top of the sealing cover plate (7) is clamped with a glue cup (10).

4. The dispensing nozzle rotary cleaning mechanism according to claim 1, characterized in that: An exhaust cover plate (11) is fixedly connected to the top of the fixed base (1), and an exhaust port is provided on the surface of the exhaust cover plate (11).

5. The dispensing nozzle rotary cleaning mechanism according to claim 1, characterized in that: The top of the air guide base (4) is provided with a groove matched with the impeller (6), and the bottom of the groove is connected with the circular hole.

6. The dispensing nozzle rotary cleaning mechanism according to claim 1, characterized in that: One end of the cylinder (5) is fixedly connected to a rotating nozzle (8), and the bottom of the rotating nozzle (8) is rotatably connected to the top of the sealing cover plate (7).

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