Large-flow glue filling head of glue filling machine

Abstract

The utility model discloses a high -flow glue filling head of glue filling machine, including cylinder shell, glue outlet pipe, push -pull ware, the inside sealed plug connection of cylinder shell has piston rod, and cylinder shell installs to the guide rail strip, and the inside installation of glue outlet pipe has double -layer air bag pipe, and the joint of double -layer air bag pipe passes through glue outlet pipe, and the joint is linked together with cylinder shell, and the installation of limit piece is on glue outlet pipe, and push -pull ware installs to the guide rail strip, and push -pull ware is connected with piston rod, through setting up double -layer air bag pipe in the inside glue outlet pipe, can change the glue outlet pipe's glue output, when double -layer air bag pipe is not inflated, the glue output of glue outlet pipe reaches maximum, when the glue requirement of product is big, can high -efficient glue, improve injection glue efficiency, stop injection glue, and double -layer air bag pipe inflation blocks up glue outlet pipe, prevent the problem of drop glue, will not influence glue filling work, and the expansion range of double -layer air bag pipe is different, can realize the adjustment of glue output, also can carry out the point glue, satisfies different injection glue demand.

Description

Technical Field

[0001] This utility model relates to the field of glue dispensing machine technology, specifically a high-flow glue dispensing head for a glue dispensing machine. Background Technology

[0002] Dispensing machines (also known as AB two-component adhesive dispensing machines) are specialized devices for the automated control of liquid (mainly two-component adhesives) dispensing, coating, and sealing. They are widely used in electronic component packaging, new energy battery manufacturing, and other fields. Most existing dispensing heads used in dispensing machines are designed for point-to-point or localized dispensing. For products requiring large amounts of adhesive, existing heads require extended dispensing times, leading to reduced dispensing efficiency. If a larger diameter dispensing head is used directly, dripping may occur after dispensing stops, affecting normal dispensing operation. Utility Model Content

[0003] The purpose of this invention is to provide a high-flow dispensing head for a dispensing machine to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a high-flow dispensing head for a dispensing machine, comprising a cylindrical shell, wherein a piston rod is sealed and inserted inside the cylindrical shell, and the cylindrical shell is mounted on a guide rail. The dispensing tube has a double-layer airbag tube installed inside it. The connector of the double-layer airbag tube passes through the dispensing tube and is connected to the cylinder shell. A limiting component is installed on the dispensing tube to prevent the double-layer airbag tube from separating from the dispensing tube. The push-pull device is installed on the guide rail and connected to the piston rod. The push-pull device drives the piston rod to move, which changes the amount of air in the cylinder shell, thereby driving the double-layer air bladder tube to expand and contract, realizing automatic adjustment of the glue dispensing volume. When the double-layer air bladder tube is not inflated, the glue dispensing volume of the glue dispensing tube reaches the maximum, which can meet the needs of high glue volume, adapt to different glue dispensing scenarios, and improve the versatility and adaptability of the glue dispensing head.

[0005] Furthermore, the end of the cylinder shell is equipped with a fixing plate, and an adapter is installed between the fixing plate and the guide rail to achieve stable installation of the cylinder shell. When the piston rod moves inside the cylinder shell, the cylinder shell will not move, thus precisely controlling the collision amplitude of the double-layer airbag tube.

[0006] Furthermore, the push-pull device is an electric push rod, which controls the reciprocating movement of the piston rod. The control method is simple and direct, and it can stably drive the piston rod to reciprocate, thereby achieving precise control of the air volume. The electric push rod operates smoothly with low noise and is easy to automate through the circuit system, thus meeting the intelligent operation requirements of the dispensing machine.

[0007] Furthermore, the push-pull device includes a motor base and a servo motor mounted on the motor base. A guide rail is connected to the motor base. A lead screw passing through the motor base is installed at the end of the servo motor. A bearing is installed between the lead screw and the motor base. A lead screw nut is connected to the lead screw, and a fixing ring is connected to the lead screw nut. The fixing ring is connected to the guide rail via a slider. The lead screw and the motor base are connected via a bearing, reducing friction loss during transmission and improving transmission efficiency and service life. The lead screw nut and the guide rail are connected via a slider to ensure stability during movement and avoid flow fluctuations caused by piston rod misalignment.

[0008] Furthermore, a push-pull plate is installed at the end of the piston rod, which is fixedly connected to the side of the fixed ring. This makes the force transmission more uniform, prevents the piston rod from bending or being damaged due to excessive local stress, and improves the stability and service life of the structure. At the same time, it facilitates the quick assembly or disassembly of the piston rod and the push-pull device.

[0009] Furthermore, a flexible hose is connected between the cylinder shell and the connector, which increases the installation flexibility of the dispensing hose, allowing the angle or direction of the dispensing hose to be adjusted according to the dispensing position.

[0010] Furthermore, the limiting component includes limiting connectors and limiting rings located at both ends of the dispensing tube. The limiting connectors and limiting rings fix the double-layer airbag tube inside the dispensing tube to prevent the airbag from shifting or detaching from the dispensing tube during expansion and contraction, thus ensuring the stability of flow regulation. At the same time, the limiting component has a simple structure, which facilitates the replacement and maintenance of the double-layer airbag tube.

[0011] Compared with the prior art, the beneficial effects of this utility model are: (1) By setting a double-layer airbag tube inside the dispensing tube, the dispensing volume of the dispensing tube can be changed. When the double-layer airbag tube is not inflated, the dispensing volume of the dispensing tube reaches the maximum. When the product requires a large amount of glue, the glue can be dispensed efficiently, improving the glue dispensing efficiency. When the glue dispensing stops, the double-layer airbag tube inflates and expands to block the dispensing tube, preventing the glue dripping problem and not affecting the glue dispensing work.

[0012] (2) The servo motor precisely controls the movement of the lead screw nut. The lead screw nut controls the movement of the piston rod through the fixed ring and the push-pull plate. The distance the piston rod moves is different, and the expansion amplitude of the double-layer air bladder tube is different. This can adjust the amount of glue dispensed and also perform dispensing to meet different glue injection needs.

[0013] (3) The limit connector is separated from the dispensing machine, and the connector and hose are separated, so that the dispensing tube and double-layer airbag tube can be replaced as a whole; the limit connector and limit ring can be removed to maintain the double-layer airbag tube separately, which is convenient for later maintenance. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the entire utility model; Figure 2 This is a schematic diagram showing the structure of the present invention, where the connector and hose are separated. Figure 3 This is a schematic diagram showing the structure of the present invention, in which the dispensing tube and the double-layer airbag tube are separated. Figure 4 This is a schematic diagram of the connection between the guide rail and the motor base of this utility model; Figure 5 This is a schematic diagram of the connection between the lead screw nut and the retaining ring of this utility model; Figure 6 This is a schematic diagram of the structure of this utility model where the shell and piston rod are separated.

[0015] In the diagram: 1. Servo motor; 2. Motor mount; 3. Bearing; 4. Lead screw nut; 5. Retaining ring; 6. Lead screw; 7. Guide rail; 8. Adapter; 9. Push-pull plate; 10. Piston rod; 11. Fixing plate; 12. Cylinder shell; 13. Hose; 14. Limiting connector; 15. Dispensing tube; 16. Limiting ring; 17. Connector; 18. Double-layer airbag tube; 19. Slider. Detailed Implementation

[0016] 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.

[0017] Example: Please see Figure 1-6 This utility model provides a technical solution: a high-flow dispensing head for a dispensing machine, including a cylindrical shell 12, a piston rod 10 is sealed and inserted inside the cylindrical shell 12, the piston rod 10 moves in the cylindrical shell 12, the cylindrical shell 12 can draw air and vent air, when drawing air, the double-layer airbag tube 18 returns to its initial state, when venting air, the double-layer airbag tube 18 expands, and the cylindrical shell 12 is installed on the guide rail 7; The dispensing tube 15 has a double-layer airbag tube 18 installed inside it. The connector 17 of the double-layer airbag tube 18 passes through the dispensing tube 15 and is connected to the shell 12. In the initial state, the dispensing tube 15 will not be blocked by the double-layer airbag tube 18, and the dispensing volume can reach the maximum. A limiting component is installed on the dispensing tube 15 to prevent the double-layer airbag tube 18 from separating from the dispensing tube 15, ensuring the stability of the deformation of the double-layer airbag tube 18 and preventing the double-layer airbag tube 18 from separating from the dispensing tube 15. A push-pull device is installed on the guide rail 7 and is connected to the piston rod 10. The push-pull device drives the piston rod 10 to move so that the air in the cylinder shell 12 enters the double-layer airbag tube 18. The change in the size of the double-layer airbag tube 18 causes the glue dispensing amount of the glue dispensing tube 15 to change automatically. The greater the expansion of the double-layer airbag tube 18, the greater the blockage of the glue dispensing tube 15, which can reduce the amount of glue dispensed. When the double-layer airbag tube 18 is not expanded, the glue dispensing tube 15 can dispense glue at the maximum speed. When the double-layer airbag tube 18 is fully expanded, the glue dispensing tube 15 is blocked, which can prevent the glue residue in the glue dispensing tube 15 from dripping out.

[0018] In this embodiment, as Figure 1 and Figure 2 As shown, the end of the cylindrical shell 12 is equipped with a fixing plate 11. An adapter 8 is installed between the fixing plate 11 and the guide rail 7. The guide rail 7, the adapter 8, and the fixing plate 11 are fixed with bolts to stably fix the cylindrical shell 12. When the push-pull plate 9 drives the piston rod 10 to move the cylindrical shell 12, the cylindrical shell 12 is fixed at four points and will not move, ensuring the stability of the inflation of the double-layer airbag tube 18.

[0019] In this embodiment, the pusher is an electric push rod, which controls the piston rod 10 to move back and forth. The electric push rod can be selected according to the installation space requirements, control requirements, system access requirements, etc., to realize the inflation and deflation of the double-layer airbag tube 18.

[0020] In this embodiment, as Figure 4 and Figure 5 As shown, the push-pull device includes a motor base 2 and a servo motor 1 mounted on the motor base 2. A guide rail 7 is connected to the motor base 2. A lead screw 6 passing through the motor base 2 is mounted at the end of the servo motor 1. A bearing 3 is installed between the lead screw 6 and the motor base 2. A lead screw nut 4 is connected to the lead screw 6. A fixing ring 5 is connected to the lead screw nut 4. The fixing ring 5 is connected to the guide rail 7 through a slider 19. Servo motor 1 controls the rotation of lead screw 6, slider 19 slides on guide rail 7, fixed ring 5 is connected to slider 19, fixed ring 5 is connected to lead screw nut 4, so lead screw nut 4 will not rotate. Lead screw nut 4 moves in different directions depending on the rotation direction of servo motor 1. Lead screw nut 4 can control the movement of piston rod 10.

[0021] In this embodiment, as Figure 4 and Figure 5 As shown, a push-pull plate 9 is installed at the end of the piston rod 10. The push-pull plate 9 is fixedly connected to the side of the fixing ring 5. The fixing ring 5, the push-pull plate 9, and the piston rod 10 are fixed with screws to ensure the smooth movement of the piston rod 10 and to prevent the piston rod 10 from getting stuck when moving in the cylinder shell 12.

[0022] In this embodiment, as Figure 1 As shown, a flexible hose 13 is connected between the cylindrical shell 12 and the connector 17. The flexible hose 13 does not restrict the installation position of the dispensing tube 15, and the dispensing tube 15 can be flexibly arranged to a designated position.

[0023] In this embodiment, as Figure 2 and Figure 3 As shown, the limiting component includes a limiting connector 14 and a limiting ring 16 located at both ends of the dispensing tube 15. The limiting connector 14 and the limiting ring 16 fix the double-layer airbag tube 18 inside the dispensing tube 15. The limiting connector 14 can be connected to the dispensing machine so that the glue flows through the double-layer airbag tube 18.

[0024] Specifically, during use, when dispensing glue to a product with a large flow rate, the double-layer airbag tube 18 is not inflated, so the double-layer airbag tube 18 will not expand. The inner diameter of the double-layer airbag tube 18 is at its maximum. After the glue is delivered into the limit joint 14, it flows through the double-layer airbag tube 18 and finally exits from the glue outlet tube 15. The glue output of the glue outlet tube 15 is at its maximum. When dealing with products that require a large amount of glue, the glue dispensing efficiency can be improved. After the glue is poured, the servo motor 1 controls the lead screw nut 4 to move. The lead screw nut 4 drives the piston rod 10 to move through the fixed ring 5 and the push-pull plate 9. The piston rod 10 squeezes the air in the cylinder shell 12. The air enters the double-layer airbag tube 18 through the hose 13 and the connector 17. The double-layer airbag tube 18 expands and the inner diameter of the double-layer airbag tube 18 shrinks, which can block the glue from flowing out and prevent the glue outlet tube 15 from dripping glue. The movement distance of the lead screw nut 4 can be controlled by preset rotation parameters of servo motor 1, and the power of glue pump of glue dispensing machine can correspond to the rotation parameters of servo motor 1. The expansion amplitude of double-layer airbag tube 18 is different, which can control the amount of glue dispensed.

[0025] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-flow dispensing head for a dispensing machine, characterized in that, include: A cylindrical shell (12) is sealed inside which a piston rod (10) is inserted, and the cylindrical shell (12) is mounted on a guide rail (7); The dispensing tube (15) has a double-layer airbag tube (18) installed inside it. The connector (17) of the double-layer airbag tube (18) passes through the dispensing tube (15) and is connected to the cylinder shell (12). A limiting component is installed on the dispensing tube (15) to prevent the double-layer airbag tube (18) from separating from the dispensing tube (15). Push-pull device, which is installed on guide rail (7) and connected to piston rod (10). The push-pull device drives piston rod (10) to move so that air in cylinder shell (12) enters double-layer airbag tube (18). The size of double-layer airbag tube (18) changes and the amount of glue dispensed changes automatically.

2. The high-flow dispensing head of a dispensing machine according to claim 1, characterized in that: The end of the cylindrical shell (12) is equipped with a fixing plate (11), and an adapter (8) is installed between the fixing plate (11) and the guide rail (7).

3. The high-flow dispensing head of a dispensing machine according to claim 1, characterized in that: The pusher is an electric push rod, which controls the piston rod (10) to move back and forth.

4. The high-flow dispensing head of a dispensing machine according to claim 1, characterized in that: The push-pull device includes a motor base (2) and a servo motor (1) mounted on the motor base (2). A guide rail (7) is connected to the motor base (2). A lead screw (6) passing through the motor base (2) is installed at the end of the servo motor (1). A bearing (3) is installed between the lead screw (6) and the motor base (2). A lead screw nut (4) is connected to the lead screw (6). A fixing ring (5) is connected to the lead screw nut (4). The fixing ring (5) is connected to the guide rail (7) through a slider (19).

5. The high-flow dispensing head of a dispensing machine according to claim 4, characterized in that: A push-pull plate (9) is installed at the end of the piston rod (10), and the push-pull plate (9) is fixedly connected to the side of the fixing ring (5).

6. The high-flow dispensing head of a dispensing machine according to claim 1, characterized in that: A flexible hose (13) is connected between the cylindrical shell (12) and the connector (17).

7. The high-flow dispensing head of a dispensing machine according to claim 1, characterized in that: The limiting components include limiting connectors (14) and limiting rings (16) located at both ends of the dispensing tube (15), which fix the double-layer airbag tube (18) inside the dispensing tube (15).

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