High-precision dispensing stop valve

Abstract

The utility model relates to the technical field of dispensing stop valves, in particular to a high-precision dispensing stop valve which comprises an air inlet connector, a sealing plate, a stop cavity, a channel connector, an upper glue supply channel, a horizontal stop plate, a lower glue supply channel, a needle head connecting piece and a magnetic switch. The air inlet connector is connected with the sealing plate, the sealing plate is connected with the cut-off cavity, the upper portion of the cut-off cavity is connected with the upper glue supply channel, the upper glue supply channel is connected with the channel connector, the lower portion of the cut-off cavity is connected with the lower glue supply channel, the lower glue supply channel is connected with the needle head connecting piece, and the horizontal cut-off plate is arranged in the cut-off cavity. The horizontal stop valve is used for precisely controlling the glue outlet amount, the glue outlet amount of the glue dispensing needle head is also tighter, the stop valve can be more conveniently disassembled, maintained and cleaned through the sealing plate and the magnetic switch, the problem that the glue dispensing precision is poor due to glue amount solidification is avoided, and the glue dispensing precision is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing stop valves, and mainly relates to a high-precision glue dispensing stop valve. Background Art

[0002] In the current high-precision parts production process, glue is required, and parts are glued through high-precision dispensing technology. However, during the dispensing process, the dispensing needle will cause glue overflow after long-term use, resulting in an increase in the error rate of parts. At this time, the dispensing valve will be used to limit the accuracy of dispensing. The dispensing valve in the prior art generally controls the opening and closing of the dispensing valve through a piston. The piston generally slides up and down by pushing and compressing an elastic element. While the elastic element slides, the elastic diaphragm deforms to transport the external glue into the glue storage cavity, and the volume in the glue storage cavity changes due to the piston sliding up and down, so the amount of glue injected will also change, and at the same time, the dispensing stopper is further driven to slide up and down to achieve the purpose of starting and closing dispensing. As the volume in the glue storage cavity changes, the pressure in the glue storage cavity changes, resulting in a decrease in the accuracy of dispensing. In order to ensure accuracy, the dispensing device is usually difficult to operate and maintain, so a high-precision dispensing stop valve is urgently needed to solve the above-mentioned problems. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a high-precision dispensing stop valve. The utility model mainly solves the problem of ensuring the dispensing accuracy during the dispensing process while facilitating disassembly and maintenance, so as to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0004] A high-precision glue dispensing stop valve, the device includes: an air inlet joint, a sealing plate, a stop chamber, a channel interface, an upper glue supply channel, a horizontal stop plate, a lower glue supply channel, a needle connector, and a magnetic switch. The air inlet joint is connected to the sealing plate, the sealing plate is connected to the stop chamber, the upper part of the stop chamber is connected to the upper glue supply channel, the upper glue supply channel is connected to the channel interface, the lower part of the stop chamber is connected to the lower glue supply channel, the lower glue supply channel is connected to the needle connector, and the horizontal stop plate is arranged inside the stop chamber.

[0005] Furthermore, the cut-off cavity includes: a cylinder and a glue supply channel, wherein the cylinder includes a left cylinder body and a right cylinder body, and the cylinder body includes a cylinder body sliding block, a sealing ring, a magnetic ring and a guide ring.

[0006] Preferably, the left cylinder body and the right cylinder body are respectively controlled by gas intake joints, and the air intake amount of the left cylinder body and the right cylinder body is controlled to make the cylinder sliders in the left cylinder body and the right cylinder body move, and finally achieve the effect of moving the horizontal cut-off plate. The sealing ring is used to prevent gas leakage in the cylinder body, the magnetic ring is used to prevent the cylinder slider in the cylinder body from being disturbed by the magnetic field, and the guide ring is used to keep the cylinder slider moving horizontally.

[0007] Furthermore, the guide ring is arranged at the front end of the cylinder slider, and is mainly used to control the moving direction of the cylinder slider to prevent deviation. The magnetic ring and the sealing ring are arranged inside the cylinder.

[0008] Furthermore, the sealing plate is divided into a left sealing plate and a right sealing plate, and the sealing plate includes: a sealing plate body, a magnetic switch, and an air intake connector. The sealing plate body is connected to the magnetic switch, and the air intake connector is arranged at the center of the sealing plate.

[0009] Preferably, sealing plates are arranged at both ends of the stop valve device, and are connected from the left and right sealing plates through magnetic switches, so that the entire stop valve device is in a sealed state, and the magnetic switch can be opened more conveniently to operate, maintain and clean the stop valve.

[0010] Furthermore, the horizontal cutoff plate is arranged inside the cutoff cavity, and the horizontal cutoff plate is not fixed in the cutoff cavity, the horizontal cutoff plate can be moved, the horizontal cutoff plate is tightly connected with the upper glue supply channel and the lower glue supply channel, and a glue supply channel is arranged at the center position of the horizontal cutoff plate, which is consistent with the glue supply channel in the cutoff cavity in size.

[0011] Preferably, the horizontal stop plate is mainly used to separate the upper glue supply channel from the lower glue supply channel, and the glue amount needs to be precisely controlled, so the horizontal stop plate is tightly fitted with the upper glue supply channel and the lower glue supply channel, and an external spring is provided at the spring clamp on the outer side of the upper bus channel, so that the horizontal stop valve can control the glue output more precisely through elastic force.

[0012] Furthermore, the channel interface is connected to the colloid mixing chamber, and the colloid is passed through the channel interface through the upper glue supply channel into the cut-off cavity through the colloid mixing method, and then the colloid is sent to the needle connector through the lower glue supply channel, and the colloid is sent out through the glue dispensing needle for dispensing.

[0013] Furthermore, a plurality of buffer colloids are arranged at the contact position between the horizontal cut-off plate and the cut-off cavity, and the buffer colloids play a buffering role.

[0014] The beneficial effects of the utility model are as follows: the glue output amount is precisely controlled by the horizontal stop valve, so that the glue output amount of the glue dispensing needle is also tighter, and at the same time, the original upper and lower stop is changed to a horizontal stop, without changing the internal volume of the glue storage cavity, and will not cause glue overflow in the glue storage cavity, and the stop valve can be more conveniently disassembled, repaired and cleaned through the sealing plate and the magnetic switch, avoiding problems with glue dispensing accuracy due to glue solidification, thereby greatly improving the glue dispensing accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and other features of the present disclosure will become more apparent through a detailed description of the embodiments shown in the accompanying drawings. The same reference numerals in the accompanying drawings of the present disclosure represent the same or similar elements. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure. For those skilled in the art, other accompanying drawings can be obtained based on these accompanying drawings without creative work. In the accompanying drawings:

[0016] Figure 1 Shown is a structural diagram of a high-precision dispensing stop valve;

[0017] Figure 2 Shown is a cross-sectional view of a high-precision dispensing stop valve.

[0018] The numbers in the figure are: 1. Air inlet connector; 2. Magnetic switch; 3. Sealing plate; 4. Left cylinder slider; 5. Shut-off chamber; 6. Channel interface; 7. Upper glue supply channel; 8. Horizontal shut-off valve; 9. Lower glue supply channel; 10. Needle connector; 11. Right cylinder slider; 12. Buffer colloid; 13. Magnetic ring; 14. Spring retaining ring; 15. Sealing ring; 16. Guide ring. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments and drawings to clearly and completely describe the concept, specific structure and technical effects of the present disclosure, so as to fully understand the purpose, scheme and effect of the present disclosure. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0020] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0021] like Figure 1 and Figure 2As shown, a high-precision dispensing stop valve, the device includes: an air inlet connector 1, a sealing plate 3, a stop chamber 5, a channel interface 6, an upper glue supply channel 7, a horizontal stop plate 8, a lower glue supply channel 9, a needle connector 10, and a magnetic switch 2. The air inlet connector 1 is connected to the sealing plate 3, the sealing plate 3 is connected to the stop chamber 5, the upper part of the stop chamber 5 is connected to the upper glue supply channel 7, the upper glue supply channel 7 is connected to the channel interface 6, the lower part of the stop chamber 5 is connected to the lower glue supply channel 9, the lower glue supply channel 9 is connected to the needle connector 10, and the horizontal stop plate 8 is arranged inside the stop chamber 5.

[0022] Furthermore, the cut-off cavity 5 includes: a cylinder and a glue supply channel, wherein the cylinder includes a left cylinder body and a right cylinder body, and the cylinder body includes a cylinder body sliding block 11, a sealing ring 15, a magnetic ring 13 and a guide ring 16.

[0023] Preferably, the left cylinder body and the right cylinder body are respectively controlled by gas intake joint 1, and the cylinder slider 11 in the left cylinder body and the right cylinder body is moved by controlling the air intake amount of the left cylinder body and the right cylinder body, and finally the effect of moving the horizontal cut-off plate 8 is achieved. The sealing ring 15 is used to prevent gas leakage in the cylinder body, the magnetic ring 13 is used to prevent the cylinder slider 11 in the cylinder body from being disturbed by the magnetic field, and the guide ring 16 allows the cylinder slider 11 to maintain horizontal movement.

[0024] Furthermore, the guide ring 16 is arranged at the front end of the cylinder slider 11, and is mainly used to control the moving direction of the cylinder slider 11 to prevent deviation. The magnetic ring 13 and the sealing ring 15 are arranged inside the cylinder.

[0025] Furthermore, the sealing plate 3 is divided into a left sealing plate and a right sealing plate. The sealing plate 3 includes: a sealing plate body, a magnetic switch 2, and an air intake connector 1. The sealing plate body is connected to the magnetic switch 2, and the air intake connector 1 is arranged at the center position of the sealing plate 3.

[0026] Preferably, the sealing plates 3 are arranged at both ends of the stop valve device, and are connected from the left and right sealing plates 3 through the magnetic switch 2, so that the entire stop valve device is in a sealed state, and the magnetic switch 2 can be opened more conveniently to operate, maintain and clean the stop valve.

[0027] Furthermore, the horizontal cutoff plate 8 is arranged inside the cutoff cavity 5, and the horizontal cutoff plate 8 is not fixed in the cutoff cavity 5, the horizontal cutoff plate 8 can be moved, the horizontal cutoff plate 8 is tightly connected with the upper glue supply channel 7 and the lower glue supply channel 9, and a glue supply channel is arranged at the center position of the horizontal cutoff plate 8, which is consistent with the glue supply channel in the cutoff cavity 5 in size.

[0028] Preferably, the horizontal stop plate 8 is mainly used to separate the upper glue supply channel 7 from the lower glue supply channel 9, and the glue amount needs to be precisely controlled, so the horizontal stop plate 8 is tightly fitted with the upper glue supply channel 7 and the lower glue supply channel 9, and an external spring is provided at the spring retaining ring 14 on the outer side of the upper glue supply channel 7, so that the horizontal stop valve 8 can control the glue output more precisely through the elastic force.

[0029] Furthermore, the channel interface 6 is connected to the colloid mixing chamber, and the colloid is passed through the channel interface 6 through the upper glue supply channel 7 into the cut-off cavity 5 by colloid mixing, and then the colloid is sent to the needle connector 10 through the lower glue supply channel 9, and the colloid is sent out by the glue dispensing needle for dispensing.

[0030] Furthermore, a plurality of buffer colloids 12 are provided in the contact position between the horizontal cut-off plate 8 and the cut-off cavity 2 , and the buffer colloids 12 play a buffering role.

[0031] A high-precision dispensing stop valve. After the colloid is mixed, it enters the stop chamber 5 through the channel interface 6, first passes through the upper glue supply channel 7, and there is a horizontal stop plate 8 between the upper glue supply channel 7 and the lower glue supply channel 9. The horizontal stop plate 8 has a small hole with a diameter consistent with the upper glue supply channel 7 and the lower glue supply channel 9, and there is no chamfer at the cut of the small hole. The horizontal stop plate 8 is controlled by a cylinder. The cylinder is divided into a left cylinder and a right cylinder. The cylinder is connected to the stop chamber 5 through a sealing plate 3 and a magnetic switch 2. The air inlet joint 1 is connected to the sealing plate 3. The air inlet joint 1 is connected to the air pipe and inflates the inside of the cylinder. The cylinder is controlled by inflation. The inside of the cylinder includes: a cylinder slider 11, a sealing ring 15, a guide ring 16, a magnetic ring 13, a cylinder slider Block 11 is the main component, and the movement is controlled by inflation. The function of the sealing ring 15 is to prevent the cylinder from leaking. The guide ring 16 is responsible for keeping the position of the cylinder slider 11 balanced. The magnetic ring 13 prevents the external magnetic switch 2 from affecting the balance of the cylinder slider 11. The sealing plate 3 and the magnetic switch 2 can be used to conveniently open the dispensing stop valve for cleaning to prevent dispensing errors caused by colloid adhesion. The horizontal stop plate 8 is controlled by the movement of the cylinder slider 11, and a spring retaining ring 14 is set on the outside of the upper glue supply channel 7, and an external spring is connected. A buffer colloid 12 is set at the connection between the upper glue supply channel 7 and the lower glue supply channel 9 and the horizontal stop plate 8 to protect the accuracy of the horizontal stop plate 8. The colloid is finally delivered to the needle connector 10, and the needle connector 10 is finally connected to the dispensing needle for dispensing.

[0032] Although the description of the utility model of the present disclosure has been quite detailed and several embodiments are described in particular, it is not intended to be limited to any of these details or embodiments or any particular embodiment, so as to effectively cover the intended scope of the present disclosure. In addition, the above description of the present disclosure is based on the embodiments foreseeable by the inventors, and its purpose is to provide a useful description, and those non-substantial changes to the present disclosure that have not yet been foreseen may still represent equivalent changes to the present disclosure.

Claims

1. A high-precision dispensing stop valve, It is characterized in that The dispensing stop valve includes: an air inlet joint, a sealing plate, a stop chamber, a channel interface, an upper glue supply channel, a horizontal stop plate, a lower glue supply channel, a needle connector, and a magnetic switch. The air inlet joint is connected to the sealing plate, the sealing plate is connected to the stop chamber, the upper part of the stop chamber is connected to the upper glue supply channel, the upper glue supply channel is connected to the channel interface, the lower part of the stop chamber is connected to the lower glue supply channel, the lower glue supply channel is connected to the needle connector, and the horizontal stop plate is arranged inside the stop chamber.

2. A high-precision dispensing stop valve according to claim 1, It is characterized in that The cut-off cavity comprises: a cylinder and a glue supply channel, wherein the cylinder comprises a left cylinder body and a right cylinder body, and the cylinder body comprises a cylinder body sliding block, a sealing ring, a magnetic ring and a guide ring.

3. A high-precision dispensing stop valve according to claim 2, It is characterized in that The guide ring is arranged at the front end of the cylinder slider, and is mainly used to control the moving direction of the cylinder slider so that there will be no deviation. The magnetic ring and the sealing ring are arranged inside the cylinder.

4. A high-precision dispensing stop valve according to claim 1, It is characterized in that The sealing plate is divided into a left sealing plate and a right sealing plate. The sealing plate comprises: a sealing plate body, a magnetic switch, and an air intake connector. The sealing plate body is connected to the magnetic switch, and the air intake connector is arranged at the center of the sealing plate.

5. A high-precision dispensing stop valve according to claim 1, It is characterized in that The horizontal cutoff plate is not fixed in the cutoff cavity, but can be moved. The horizontal cutoff plate is tightly connected with the upper glue supply channel and the lower glue supply channel. A glue supply channel is arranged at the center of the horizontal cutoff plate, which is consistent in size with the glue supply channel in the cutoff cavity.

6. A high-precision dispensing stop valve according to claim 1, It is characterized in that The channel interface is connected to the colloid mixing chamber, and the colloid is passed through the channel interface through the upper glue supply channel into the cut-off cavity by colloid mixing, and then the colloid is sent to the needle connector through the lower glue supply channel, and the colloid is sent out through the glue dispensing needle for dispensing.

7. A high-precision dispensing stop valve according to claim 1, It is characterized in that A plurality of buffer colloids are arranged at the contact position between the horizontal cut-off plate and the cut-off cavity, and the buffer colloids play a buffering role.

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