Quantitative glue supply device and stable glue supply and coating system

Abstract

The utility model discloses a kind of quantitative glue supply device and stable glue supply rubber coating system, it is related to rubber coating production technical field, including cylinder, glue inlet valve and glue inlet pipe, cylinder is equipped with quantitative cavity, plunger rod is sealingly slidably installed in quantitative cavity, cylinder is equipped with the glue outlet that communicates with quantitative cavity, glue outlet is equipped with glue outlet valve, valve is installed in one end of cylinder, glue inlet pipe communicates with glue inlet valve, therefore the volume of plunger rod and the volume of required glue are exchanged, the quantitative purpose of glue supply can be realized, avoid the change of glue volume caused by needing to extrude glue, it is beneficial to improve the spraying effect to product.

Description

Technical Field

[0001] This utility model relates to the field of adhesive coating production technology, and more specifically, to a quantitative adhesive supply device. Furthermore, this utility model also relates to a stable adhesive supply coating system including the aforementioned quantitative adhesive supply device. Background Technology

[0002] Wide-width UV adhesive coating involves forming a UV adhesive layer of precise, uniform, and continuous (or patterned as required) thickness on a wide substrate. Therefore, a metering device is required to ensure that the adhesive is used according to the preset metering value. The adhesive metering device generally uses a graduated injection cylinder. The piston on the injection cylinder is pressed down by the drive structure to change the volume inside the injection cylinder to supply the adhesive. However, the traditional method has many shortcomings. The density of UV adhesive changes after being pressed, which in turn causes its volume to change. This makes it difficult to control the volume of extruded adhesive, resulting in unnecessary waste, increased costs, and poor coating effect.

[0003] In conclusion, improving the accuracy of quantitative dispensing of UV adhesives is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0004] In view of this, the purpose of this utility model is to provide a quantitative glue supply device to avoid volume changes caused by squeezing the glue and improve the accuracy of glue quantitative supply.

[0005] Another objective of this invention is to provide a stable glue supply and application system including the above-mentioned quantitative glue supply device.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A metering adhesive dispensing device, comprising:

[0008] The cylinder body has a metering chamber inside, a plunger rod is slidably installed in the metering chamber, the cylinder body has a glue outlet communicating with the metering chamber, and a glue outlet valve is provided at the glue outlet;

[0009] A glue inlet valve is installed at one end of the cylinder body;

[0010] The glue inlet pipe is connected to the glue inlet valve.

[0011] Furthermore, in this invention, the diameter of the plunger rod is smaller than the diameter of the metering chamber, so that a glue-passing gap is formed between the plunger rod and the cylinder.

[0012] Furthermore, in this invention, the glue outlet is located on the side of the cylinder away from the glue inlet valve.

[0013] Furthermore, in this utility model, the glue inlet valve includes:

[0014] The valve body has a valve cavity, the metering cavity and the glue inlet pipe are both connected to the valve cavity, and the valve cavity has a valve seat.

[0015] A valve stem is slidably mounted on the valve body, and a valve core is mounted at the end of the valve stem, the valve core being located within the valve cavity.

[0016] Furthermore, in this invention, the valve core is located on the side of the valve seat near the metering chamber, and when the valve core moves toward the metering chamber, the glue inlet valve is in the open state.

[0017] Furthermore, this utility model also includes:

[0018] A metering electric cylinder, which is connected to the cylinder body and is used to control the sliding of the plunger rod;

[0019] A motor and a speed reducer are connected together, and the speed reducer is connected to the metering cylinder.

[0020] A stable adhesive supply and application system includes the metering adhesive supply device described in any one of the above claims.

[0021] Furthermore, this utility model also includes:

[0022] An adhesive supply system, wherein the adhesive supply system includes at least two adhesive supply pumps;

[0023] A metering system, comprising at least two metering glue supply devices, wherein the metering glue supply devices are connected to the corresponding glue supply pumps via pipelines;

[0024] A glue spraying system, comprising at least two glue spraying valves, wherein the glue spraying valves are connected to the corresponding metering glue supply device via pipes;

[0025] The control system includes an adhesive supply system, a dispensing system, and an adhesive spraying system, all of which are electrically connected to the control system.

[0026] Furthermore, this utility model also includes:

[0027] At least two glue application stations, with the glue spraying system and the dispensing system both installed at the corresponding glue application station;

[0028] The drive system includes a plurality of drive components, which are used to control the corresponding glue spray valve to complete a preset action. The drive system is electrically connected to the control system.

[0029] Furthermore, this utility model also includes:

[0030] A filter is installed between the glue supply system and the metering system, and the filter has a liquid separation function.

[0031] The quantitative glue supply device provided by this utility model involves installing a glue inlet valve at one end of the cylinder and connecting the glue hose to the glue inlet valve. Specifically, the glue inlet hose is connected to the inlet of the glue inlet valve, while the outlet of the glue inlet valve is connected to the cylinder. The glue inlet hose is also connected to the glue supply device. The cylinder contains a quantitative chamber, within which a plunger rod is slidably and sealed. The cylinder also has a glue outlet connected to the quantitative chamber, which is connected to the glue application valve for which glue is to be supplied. In other words, the glue supply device delivers glue into the quantitative chamber through the glue inlet hose and the glue inlet valve. By moving the plunger rod, the volume of the plunger rod is interchanged with the volume of the required glue, thus achieving quantitative glue supply. This avoids the need to squeeze the glue, which would cause changes in glue volume, improves the accuracy of glue supply, prevents glue waste, and enhances the coating effect on the product.

[0032] The present invention also provides a stable glue supply and coating system, including the above-mentioned quantitative glue supply device, which has the above-mentioned beneficial effects. Attached Figure Description

[0033] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the axial side of the device provided by this utility model after overall installation;

[0035] Figure 2 This is a schematic diagram of the shaft side of the device provided by this utility model after overall disassembly.

[0036] Figure 3 A schematic diagram of the cross-section of the device provided by this utility model after overall installation;

[0037] Figure 4 This is a schematic diagram of the adhesive inlet valve provided by this utility model;

[0038] Figure 5 This is a schematic diagram of the stable glue supply system provided by this utility model.

[0039] Figures 1-5 In the accompanying drawings, the reference numerals include:

[0040] 1. Cylinder body; 2. Metering chamber; 3. Plunger rod; 4. Glue outlet; 5. Glue outlet valve; 6. Glue inlet valve; 601. Valve stem; 602. Valve core; 603. Valve seat; 604. Valve body; 7. Glue inlet pipe; 8. Metering electric cylinder; 9. Motor; 10. Reducer; 11. Glue supply system; 12. Metering system; 13. Glue spraying system; 14. Control system; 15. Glue application station; 16. Filter. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0042] The core of this invention is to provide a quantitative glue supply device that avoids volume changes caused by squeezing the glue and improves the accuracy of glue metering.

[0043] Another core aspect of this invention is to provide a stable glue supply and application system that includes the aforementioned quantitative glue supply device.

[0044] Please refer to Figure 2 A metering adhesive supply device includes a cylinder body 1, an adhesive inlet valve 6, and an adhesive inlet pipe 7. The cylinder body 1 is provided with a metering chamber 2, and a plunger rod 3 is slidably installed in the metering chamber 2. The cylinder body 1 is provided with an adhesive outlet 4 communicating with the metering chamber 2. An adhesive outlet valve 5 is provided at the adhesive outlet 4. The valve is installed at one end of the cylinder body 1, and the adhesive inlet pipe 7 is connected to the adhesive inlet valve 6.

[0045] It should be noted that in this embodiment of the invention, the cylinder body 1, the glue inlet valve 6, and the glue inlet pipe 7 are all connected by flanges to improve their sealing performance.

[0046] In addition, in this embodiment of the utility model, the plunger rod 3 is made of metal, specifically stainless steel, which can reduce the corrosion of glue on it. At the same time, the relationship between the length of the plunger rod 3 inside the metering cavity 2 and its volume is input to the control system 14 in advance. Therefore, by controlling the length of the plunger rod 3 inside the metering cavity 2, the metering of water can be controlled.

[0047] Optionally, in some embodiments, the dispensing valve 5 may be a check valve or a solenoid valve.

[0048] Optionally, in some embodiments, a plurality of sealing rings are provided between the connection between the plunger rod 3 and the cylinder body 1 to improve its sealing performance.

[0049] In use, the glue inlet valve 6 is installed at one end of the cylinder body 1, and the glue hose is connected to the glue inlet valve 6. That is, the glue inlet pipe 7 is connected to the inlet of the glue inlet valve 6, and the outlet of the glue inlet valve 6 is connected to the cylinder body 1. The glue inlet pipe 7 is connected to the glue supply device. The cylinder body 1 is provided with a metering chamber 2, and a plunger rod 3 is slidably installed in the metering chamber 2. The cylinder body 1 is provided with a glue outlet 4 that is connected to the glue valve to which the glue needs to be supplied. In other words, the glue supply device sends glue into the metering chamber 2 through the glue inlet pipe 7 and the glue inlet valve 6. By moving the plunger rod 3, the volume of the plunger rod 3 is interchanged with the volume of the required glue, so as to achieve the purpose of metering the glue supply. This avoids the need to squeeze the glue, which would cause changes in the volume of the glue, improves the accuracy of the glue supply, avoids glue waste, and is more conducive to improving the spraying effect of the product.

[0050] Please refer to Figure 4 In some embodiments, the diameter of the plunger rod 3 is smaller than the diameter of the metering chamber 2, so that a glue passage gap is formed between the plunger rod 3 and the cylinder 1. That is, by making the diameter of the plunger rod 3 smaller, the glue can flow through the gap between the plunger rod 3 and the cylinder 1 and be discharged from the metering chamber 2 through the glue outlet 4.

[0051] Optionally, in some embodiments, the dispensing port 4 is located on the side of the cylinder 1 away from the dispensing valve 6. Setting the dispensing port 4 at the end away from the dispensing valve 6 can reduce interference when installing the dispensing valve 5, and at the same time reduce the inconvenience of installation caused by the concentrated installation of parts.

[0052] In the above embodiment, the glue is drawn in by creating a negative pressure in the metering chamber 2. Specifically, when a metered glue supply is required, the plunger rod 3 is at its longest position in the metering chamber 2, and both the glue inlet valve 6 and the glue outlet valve 5 are closed. At this time, the plunger rod 3 is controlled to move away from the glue inlet valve 6. The plunger rod 3 moves a preset length, which is calculated according to the required glue volume, so as to increase the space in the metering chamber 2 and thus create a negative pressure in the metering chamber 2. At this time, the glue inlet valve 6 is opened, and the glue is drawn into the metering chamber 2 by the negative pressure. Therefore, the glue entering the metering chamber 2 is the glue with the required metered quantity. On the one hand, this helps to improve the accuracy of glue metering, and on the other hand, by using negative pressure as a method of metered glue delivery, the metering error caused by the change in glue volume due to compression can be avoided.

[0053] Please refer to Figure 4In some embodiments, the glue inlet valve 6 includes a valve body 604 and a valve stem 601. The valve body 604 has a valve cavity, and the metering chamber 2 and the glue inlet pipe 7 are both connected to the valve cavity. The valve cavity has a valve seat 603. The valve stem 601 is slidably mounted on the valve body 604. A valve core 602 is mounted on the end of the valve stem 601. The valve core 602 is located in the valve cavity. That is, by controlling the movement of the valve stem 601, the contact or non-contact between the valve core 602 and the valve seat 603 can be controlled.

[0054] In the above embodiments, the contact surface between the valve core 602 and the valve seat 603 is a sealing surface with sealing properties to improve its sealing performance.

[0055] Optionally, in some embodiments, the valve core 602 is located on the side of the valve seat 603 near the metering chamber 2. When the valve core 602 moves toward the metering chamber 2, the glue inlet valve 6 is in the open state. By placing the valve core 602 on the side near the metering chamber 2, it can be ensured that when there is a negative pressure in the metering chamber 2, the valve core 602 can quickly open downwards, thereby improving the efficiency of glue entering the metering chamber 2.

[0056] In other embodiments, the valve may also be located on the side of the valve seat 603 away from the metering chamber 2. This method is beneficial to increase the sealing of the glue inlet valve 6 when the metering chamber 2 is under negative pressure, and further improve the metering accuracy of the glue.

[0057] Please refer to Figure 1 In some embodiments, the system also includes a metering cylinder 8, a motor 9, and a reducer 10. The metering cylinder 8 is connected to the cylinder body 1 and is used to control the sliding of the plunger rod 3. The motor 9 is connected to the reducer 10, and the reducer 10 is connected to the metering cylinder 8.

[0058] In the above embodiments, the quantitative electric cylinder 8, the motor 9, and the reducer 10 are all connected by bolts for detachment.

[0059] A stable adhesive supply and application system includes the quantitative adhesive supply device described in any one of the above claims.

[0060] Please refer to Figure 5In some embodiments, the system further includes a glue supply system 11, a metering system 12, a glue spraying system 13, and a control system 14. The glue supply system 11 includes at least two glue supply pumps, the metering system 12 includes at least two metering glue supply devices, and the metering glue supply devices are connected to the corresponding glue supply pumps through pipes. The glue spraying system 13 includes at least two glue spraying valves, and the glue spraying valves are connected to the corresponding metering glue supply devices through pipes. The local control system 14 of the glue supply system 11, the metering system 12, and the glue spraying system 13 is electrically connected. The glue supply pumps can be plunger pumps, and the glue supply system 11 also includes components such as supports, pipes, and pressure plates. At the same time, the glue supply pumps are connected to the glue inlet pipe 7 of the metering glue supply device through pipes, and the glue outlet 4 of the metering glue supply device is connected to the glue spraying valve through pipes to realize the entire loop.

[0061] In the above embodiments, the glue supply system 11, the metering system 12 and the spraying system 13 in the stable glue supply and coating system each contain two sets of components, so that the two sets of glue supply systems 11 can be used at the same time to ensure their stable glue supply.

[0062] In the above embodiments, the control system 14 includes an electrical box, which contains the necessary circuit boards, control switches, display screens and other components to facilitate users to view and control the glue supply system 11 in a timely manner.

[0063] In the above embodiments, the glue spraying system 13 also includes components such as a glue spraying nozzle and a bracket. The glue is controlled by the glue spraying valve and then sprayed out through the glue spraying nozzle to realize the glue spraying function.

[0064] Please refer to Figure 5 In some embodiments, at least two glue application stations 15, a glue spraying system 13, a metering system 12, and a drive system are all installed at the corresponding glue application station 15. The drive system includes several drive components, which are used to control the corresponding glue spraying valve to complete the preset action. The drive system is electrically connected to the control system 14, that is, each system can complete its specified action through the various drive components of the drive system.

[0065] Optionally, in some embodiments, the glue application station 15 includes a frame, on which the bracket of the glue spraying system 13 and the cylinder 1 of the metering system 12 are both mounted. A slide rail is also provided on the frame, on which a slider is slidably mounted. The bracket of the glue spraying system 13 is fixedly connected to the slider. Thus, the position of the bracket of the glue spraying system 13 can be moved by the slider. At the same time, a support rod is mounted on the slider. The support rod is set perpendicular to the slide rail. The bracket of the glue spraying system 13 is slidably mounted to the support rod, thereby realizing the multi-directional movement of the glue spray nozzle to improve the glue spraying range.

[0066] Optionally, in some embodiments, the drive system includes several drive components, which may be motors, electric cylinders, or other components, depending on the usage requirements of the location. For example, when pushing the slider to slide on the slide rail, an electric cylinder or a motor may be used as the drive component. In addition, the movement of the valve stem may also be driven by an electric cylinder or a motor. Therefore, each drive component of the drive system is electrically connected to the control system and is used to control each of the required moving parts of the entire stable glue supply and application system.

[0067] In the above embodiments, using two or more sets of glue supply systems 11, with one set of glue supply systems 11 in standby mode, helps to improve the stability of the glue supply system 11 during use.

[0068] Please refer to Figure 5 In some embodiments, a filter 16 is also included. The filter 16 is installed between the glue supply system 11 and the metering system 12. The filter 16 has a liquid separation function. Specifically, using one filter 16 to achieve the glue filtration function of multiple glue supply pumps is beneficial to reducing equipment costs.

[0069] In other words, the key point of this utility model is that: the glue inlet pipe 7 is connected to the inlet of the glue inlet valve 6, and the outlet of the glue inlet valve 6 is connected to the cylinder body 1. The glue inlet pipe 7 is connected to the glue supply device. The cylinder body 1 is provided with a metering chamber 2. A plunger rod 3 is slidably installed in the metering chamber 2. The cylinder body 1 is provided with a glue outlet 4 that communicates with the metering chamber 2. The glue outlet 4 is connected to the glue application valve that needs to supply glue. That is to say, the glue supply device sends glue into the metering chamber 2 through the glue inlet pipe 7 and the glue inlet valve 6. By moving the plunger rod 3, the volume of the plunger rod 3 is interchanged with the volume of the glue needed, so as to achieve the purpose of metering the glue supply. This avoids the need to squeeze the glue, which would cause changes in the volume of the glue, improves the accuracy of the glue supply, avoids glue waste, and is more conducive to improving the spraying effect of the product.

[0070] In addition to the quantitative glue supply device disclosed in the above embodiments, this utility model also provides a stable glue supply and coating system including the above quantitative glue supply device. The structure of other parts of the stable glue supply and coating system can be found in the prior art, and will not be described in detail here.

[0071] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0072] The quantitative glue supply device and stable glue supply coating system provided by this utility model have been described in detail above. Specific examples have been used to illustrate the principle and implementation of this utility model. The descriptions of the embodiments above are only for the purpose of helping to understand the method and core idea of ​​this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made to this utility model without departing from the principle of this utility model, and these improvements and modifications also fall within the protection scope of this utility model.

Claims

1. A metering adhesive supply device, characterized in that, include: The cylinder (1) has a metering chamber (2) inside, and a plunger rod (3) is installed in the metering chamber (2) in a sealed sliding manner. The cylinder (1) has a glue outlet (4) communicating with the metering chamber (2), and a glue outlet valve (5) is provided at the glue outlet (4). A glue inlet valve (6) is installed at one end of the cylinder body (1); The glue inlet pipe (7) is connected to the glue inlet valve (6).

2. The metering adhesive supply device according to claim 1, characterized in that, The diameter of the plunger rod (3) is smaller than the diameter of the metering chamber (2) so that a glue-through gap is formed between the plunger rod (3) and the cylinder (1).

3. The quantitative adhesive supply device according to claim 2, characterized in that, The glue outlet (4) is located on the side of the cylinder (1) away from the glue inlet valve (6).

4. The metering adhesive supply device according to claim 1, characterized in that, The glue inlet valve (6) includes: The valve body (604) has a valve cavity inside, the metering cavity (2) and the glue inlet pipe (7) are both connected to the valve cavity, and the valve cavity has a valve seat (603). A valve stem (601) is slidably mounted on the valve body (604), and a valve core (602) is mounted at the end of the valve stem (601), the valve core (602) being located inside the valve cavity.

5. The metering adhesive supply device according to claim 4, characterized in that, The valve core (602) is located on the side of the valve seat (603) close to the metering chamber (2). When the valve core (602) moves toward the metering chamber (2), the glue inlet valve (6) is in the open state.

6. The metering adhesive supply device according to claim 1, characterized in that, Also includes: A metering electric cylinder (8) is connected to the cylinder body (1) and is used to control the sliding of the plunger rod (3); A motor (9) and a reducer (10) are connected, and the reducer (10) is connected to the metering cylinder (8).

7. A stable adhesive supply and application system, characterized in that, Includes the metering adhesive dispensing device as described in any one of claims 1-6.

8. The stable adhesive supply and application system according to claim 7, characterized in that, Also includes: Adhesive supply system (11), said adhesive supply system (11) includes at least two adhesive supply pumps; A metering system (12) includes at least two metering glue supply devices, which are connected to the corresponding glue supply pumps via pipes; The glue spraying system (13) includes at least two glue spraying valves, which are connected to the corresponding metering glue supply device via pipes; The control system (14) is electrically connected to the glue supply system (11), the metering system (12) and the glue spraying system (13).

9. The stable adhesive supply and application system according to claim 8, characterized in that, Also includes: At least two glue application stations (15), wherein the glue spraying system (13) and the metering system (12) are both installed at the corresponding glue application station (15). The drive system includes several drive components, which are used to control the corresponding glue spray valve to complete a preset action. The drive system is electrically connected to the control system (14).

10. The stable adhesive supply and application system according to claim 9, characterized in that, Also includes: A filter (16) is installed between the glue supply system (11) and the metering system (12), and the filter (16) has a liquid separation function.

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