Dispensing mechanism and dispensing machine

Abstract

A kind of dispensing mechanism and dispensing machine, the dispensing mechanism includes box, first dispensing unit, second dispensing unit, dispensing barrel, dispensing head, connecting assembly and valve control component, first dispensing unit, second dispensing unit and dispensing barrel are all arranged in the box, connecting assembly includes first dispensing pipe, second dispensing pipe, first suction pipe and second suction pipe, first dispensing unit and second dispensing unit are connected dispensing head by first dispensing pipe and second dispensing pipe respectively, first dispensing unit and second dispensing unit are connected dispensing barrel by first suction pipe and second suction pipe respectively, valve control component includes driving mechanism and valve group.The dispensing mechanism provided by the utility model solves the technical problem that valve is easily damaged in the prior art, further causes dispensing mechanism to malfunction, so that dispensing process cannot be continuously carried out, reduces the stability of dispensing system and overall work efficiency, also increases the maintenance cost.

Description

Technical Field

[0001] This utility model relates to the field of dispensing device technology, specifically to a dispensing mechanism and dispensing machine. Background Technology

[0002] Dispensing machines are widely used in the production of products such as LED packaging and electronic assembly. Their core component, the dispensing valve, has a decisive impact on the flow rate, speed, and efficiency of the adhesive application. In high-speed production scenarios such as LED packaging, dispensing efficiency directly affects the production cycle time and cost of the entire production line. Most existing dispensing valves are single-rod structures, with a repetitive workflow: drawing adhesive from a container; dispensing the drawn adhesive onto the product; drawing adhesive again; dispensing again, and so on. This single-stroke design has an inherent efficiency bottleneck. After completing one dispensing cycle, the dispensing valve must wait a considerable amount of time before the next dispensing cycle can begin. Therefore, the switching time between each drawing and dispensing cycle is long, resulting in a gap in the dispensing operation.

[0003] Existing technologies also include dual-dispensing mechanism switching systems that can simultaneously perform dispensing and suction functions. This means that while one dispensing mechanism is suctioning glue, another dispensing mechanism is dispensing it, saving time. However, these systems often share a single rotary valve. When one dispensing mechanism is dispensing, the valve automatically switches, maintaining a constant dispensing and suction action. If the valve malfunctions, or if one dispensing mechanism fails, the entire dispensing system is prone to problems. Therefore, the switching between suction and dispensing puts significant strain on the valve, leading to its easy damage and further causing dispensing mechanism malfunctions. This disrupts the dispensing process, reducing system stability and overall efficiency, and increasing maintenance costs. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a dispensing mechanism and dispensing machine, which aims to solve the technical problem in the prior art that valves are easily damaged, which further leads to the failure of the dispensing mechanism, making the dispensing process unable to continue, reducing the stability and overall working efficiency of the dispensing system, and increasing maintenance costs.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: A dispensing mechanism includes a housing, a first dispensing unit, a second dispensing unit, a dispensing tank, a dispensing head, a connecting assembly, and a valve control assembly. The first dispensing unit, the second dispensing unit, and the dispensing tank are all disposed within the housing. The connecting assembly includes a first dispensing tube, a second dispensing tube, a first suction tube, and a second suction tube. The first dispensing unit and the second dispensing unit are respectively connected to the dispensing head via the first dispensing tube and the second dispensing tube. The first dispensing unit and the second dispensing unit are respectively connected to the dispensing tank via the first suction tube and the second suction tube. The valve control assembly includes a driving mechanism and a valve group. The driving mechanism controls the first dispensing unit and the second dispensing unit to independently perform dispensing and suction operations, respectively. The valve group ensures that the first dispensing tube, the second dispensing tube, the first suction tube, and the second suction tube maintain corresponding passage states when the first dispensing unit and the second dispensing unit independently perform dispensing and suction operations.

[0006] Furthermore, the box body is provided with a top plate, a fixed plate and a bottom plate from top to bottom. The first dispensing unit includes a first column and the second dispensing unit includes a second column. The first column, the second column and the dispensing bucket are all disposed on the fixed plate.

[0007] Furthermore, the driving mechanism includes a first motor and a second motor. The side of the top plate facing away from the fixed plate is connected to the first motor and the second motor. The first dispensing unit also includes a first piston rod and a first push rod. Both the first piston rod and the first push rod are disposed within the first column. A first telescopic rod is disposed on the inner wall of the first column. One end of the first push rod is connected to the first telescopic rod, and the other end of the first push rod passes through the top plate and is connected to the first piston rod. The output end of the first motor is connected to the first telescopic rod. The first motor is used to drive the first telescopic rod to reciprocate along the axis of the first column. The second dispensing unit also includes a second piston rod and a second push rod. Both the second piston rod and the second push rod are disposed within the second column. A second telescopic rod is disposed on the inner wall of the second column. One end of the second push rod is connected to the second telescopic rod, and the other end of the second push rod passes through the top plate and is connected to the second piston rod. The output end of the second motor is connected to the second telescopic rod. The second motor is used to drive the second telescopic rod to reciprocate along the axis of the second column.

[0008] Furthermore, the drive mechanism also includes a third motor and a fourth motor. The third motor and the fourth motor are connected to the side of the base plate facing the fixed plate. The valve group includes a first valve, a second valve, a third valve, and a fourth valve. The first dispensing tube is connected to the first valve, the second dispensing tube is connected to the second valve, the first suction tube is connected to the third valve, and the second suction tube is connected to the fourth valve. The third motor is used to control the opening and closing of the first valve and the third valve, and the fourth motor is used to control the opening and closing of the second valve and the fourth valve.

[0009] Furthermore, a sealing ring is provided at the end of the first push rod near the first piston rod and at the end of the second push rod near the second piston rod.

[0010] Furthermore, the dispensing mechanism also includes an information transceiver component, which includes a displacement sensor, a pressure sensor, a liquid level sensor, and a position sensor. The displacement sensor is disposed on the first push rod and the second push rod, the pressure sensor is disposed inside the first dispensing tube and the second dispensing tube, the liquid level sensor is disposed inside the dispensing bucket, and the position sensor is disposed inside the first valve, the second valve, the third valve, and the fourth valve. The displacement sensor is used to collect displacement signals, the pressure sensor is used to collect pressure signals, the liquid level sensor is used to collect liquid level signals, and the position sensor is used to collect position signals.

[0011] Furthermore, the information transceiver component also includes an information transceiver unit and a PLC processor. Both the information transceiver unit and the PLC processor are housed within the housing. The displacement sensor, the pressure sensor, the liquid level sensor, the position sensor, and the information transceiver unit are all electrically connected to the PLC processor. The PLC processor is used to control the first dispensing unit and the second dispensing unit to independently complete the dispensing and suction operations based on the displacement signal, pressure signal, liquid level signal, and position signal received and transmitted by the information transceiver unit.

[0012] A dispensing machine, comprising the dispensing mechanism described in any one of the above.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: By using the drive device and valve group set inside the housing, the drive device directly drives the first dispensing unit and the second dispensing unit to independently perform the actions of suction and extraction of glue, avoiding the opposing state where one dispensing mechanism dispenses glue while the other dispensing mechanism forces glue to be sucked up, thus improving the stability of the entire dispensing system. The valve group ensures that when the first dispensing unit and the second dispensing unit perform the actions of suction and extraction of glue independently, the corresponding first dispensing tube, second dispensing tube, first suction tube, and second suction tube remain open. Even if one dispensing mechanism malfunctions, it will not affect the normal operation of the other dispensing mechanism, thus improving the stability of the entire dispensing system, increasing work efficiency, and reducing maintenance costs. Attached Figure Description

[0014] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a schematic diagram of a dispensing mechanism and dispensing machine according to an embodiment of the present utility model, in which the first dispensing unit performs dispensing and the second dispensing unit performs adhesive suction. Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a schematic diagram of a dispensing mechanism and dispensing machine according to an embodiment of the present utility model, in which the first dispensing unit performs adhesive suction and the second dispensing unit performs dispensing work. Figure 4 for Figure 3 Enlarged diagram of point B in the middle.

[0015] Figure label: 1. Housing; 11. Top plate; 12. Fixing plate; 13. Bottom plate; 14. Sealing ring; 2. First dispensing unit; 20. First column; 21. First piston rod; 22. First push rod; 23. First dispensing tube; 24. First suction tube; 25. First motor; 26. Third motor; 27. First valve; 28. Third valve; 29. ​​First telescopic rod; 3. Second dispensing unit; 30. Second column; 31. Second piston rod; 32. Second push rod; 33. Second dispensing tube; 34. Second suction tube; 35. Second motor; 36. Fourth motor; 37. Second valve; 38. Fourth valve; 39. Second telescopic rod; 4. Dispensing bucket; 5. Dispensing head; 60. Displacement sensor; 61. Pressure sensor; 63. Liquid level sensor; 64. Position sensor; 65. Information transceiver unit; 66. PLC processor.

[0016] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0017] To make the objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Several embodiments of this utility model are shown in the drawings. However, this utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to make the disclosure of this utility model more thorough and complete.

[0018] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and similar expressions used herein are for illustrative purposes only and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

[0019] In this utility model, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. The term "and / or" as used herein includes any and all combinations of one or more of the related listed items.

[0020] Please see Figures 1 to 4A dispensing mechanism includes a housing 1, a first dispensing unit 2, a second dispensing unit 3, a dispensing tank 4, a dispensing head 5, a connecting assembly, and a valve control assembly. The first dispensing unit 2, the second dispensing unit 3, and the dispensing tank 4 are all disposed within the housing 1. The connecting assembly includes a first dispensing tube 23, a second dispensing tube 33, a first suction tube 24, and a second suction tube 34. The first dispensing unit 2 and the second dispensing unit 3 are respectively connected to the dispensing head 5 via the first dispensing tube 23 and the second dispensing tube 33. The second dispensing unit 3 is connected to the dispensing tank 4 via the first suction tube 24 and the second suction tube 34. The valve control assembly includes a drive mechanism and a valve group. The drive mechanism is used to control the first dispensing unit 2 and the second dispensing unit 3 to independently perform dispensing and suction operations. The valve group is used to ensure that when the first dispensing unit 2 and the second dispensing unit 3 independently perform dispensing and suction operations, the first dispensing tube 23, the second dispensing tube 33, the first suction tube 24, and the second suction tube 34 maintain corresponding passage states.

[0021] The box 1 is provided with a top plate 11, a fixing plate 12 and a bottom plate 13 arranged from top to bottom. The first dispensing unit 2 includes a first column 20 and the second dispensing unit 3 includes a second column 30. The first column 20, the second column 30 and the dispensing bucket 4 are all arranged on the fixing plate 12.

[0022] The driving mechanism includes a first motor 25 and a second motor 35. The top plate 11, facing away from the fixed plate 12, is connected to the first motor 25 and the second motor 35. The first dispensing unit 2 also includes a first piston rod 21 and a first push rod 22. The first piston rod 21 and the first push rod 22 are both disposed within the first column 20. A first telescopic rod 29 is disposed on the inner wall of the first column 20. One end of the first push rod 22 is connected to the first telescopic rod 29, and the other end of the first push rod 22 passes through the top plate 11 and is connected to the first piston rod 21. The output end of the first motor 25 is connected to the first telescopic rod 29. The first motor 25 is used for... The first telescopic rod 29 is driven to reciprocate along the axis of the first column 20. The second dispensing unit 3 also includes a second piston rod 31 and a second push rod 32. The second piston rod 31 and the second push rod 32 are both disposed inside the second column 30. The second telescopic rod 39 is disposed on the inner wall of the second column 30. One end of the second push rod 32 is connected to the second telescopic rod 39, and the other end of the second push rod 32 passes through the top plate 11 and is connected to the second piston rod 31. The output end of the second motor 35 is connected to the second telescopic rod 39. The second motor 35 is used to drive the second telescopic rod 39 to reciprocate along the axis of the second column 30.

[0023] The drive mechanism further includes a third motor 26 and a fourth motor 36. The third motor 26 and the fourth motor 36 are connected to the side of the base plate 13 facing the fixed plate 12. The valve group includes a first valve 27, a second valve 37, a third valve 28, and a fourth valve 38. The first dispensing tube 23 is connected to the first valve 27, the second dispensing tube 33 is connected to the second valve 37, the first suction tube 24 is connected to the third valve 28, and the second suction tube 34 is connected to the fourth valve 38. The third motor 26 is used to control the opening and closing of the first valve 27 and the third valve 28, and the fourth motor 36 is used to control the opening and closing of the second valve 37 and the fourth valve 38.

[0024] A sealing ring 14 is provided at the end of the first push rod 22 near the first piston rod 21 and at the end of the second push rod 32 near the second piston rod 31.

[0025] The dispensing mechanism further includes an information transceiver component, which includes a displacement sensor 60, a pressure sensor 61, a liquid level sensor 63, and a position sensor 64. The displacement sensor 60 is disposed on the first push rod 22 and the second push rod 32, the pressure sensor 61 is disposed inside the first dispensing tube 23 and the second dispensing tube 33, the liquid level sensor 63 is disposed inside the dispensing tank 4, and the position sensor 64 is disposed inside the first valve 27, the second valve 37, the third valve 28, and the fourth valve 38. The displacement sensor 60 is used to collect displacement signals, the pressure sensor 61 is used to collect pressure signals, the liquid level sensor 63 is used to collect liquid level signals, and the position sensor 64 is used to collect position signals.

[0026] The information transceiver assembly further includes an information transceiver unit 65 and a PLC processor 66. The information transceiver unit 65 and the PLC processor 66 are both disposed inside the housing 1. The displacement sensor 60, the pressure sensor 61, the liquid level sensor 63, the position sensor 64, and the information transceiver unit 65 are all electrically connected to the PLC processor 66. The PLC processor 66 is used to control the first dispensing unit 2 and the second dispensing unit 3 to independently complete the dispensing and suction work based on the displacement signal, pressure signal, liquid level signal, and position signal received and transmitted by the information transceiver unit 65.

[0027] A dispensing machine, comprising the dispensing mechanism described in any one of the above.

[0028] Specifically, the dispensing mechanism mainly consists of a housing 1, a first dispensing unit 2, a second dispensing unit 3, a dispensing tank 4, a dispensing head 5, and corresponding connecting components and valve control components. The housing 1 serves as the overall support, and its interior forms a stable mounting structure through a top plate 11, a fixed plate 12, and a bottom plate 13. The first dispensing unit 2 and the second dispensing unit 3 are mounted side by side on the fixed plate 12. The core drive mechanism, the first motor 25 and the second motor 35, is mounted above the top plate 11. Each dispensing unit includes a column: a first column 20 and a second column 30. The inner wall of the first column 20... The system includes a first telescopic rod 29 and a second telescopic rod 39 on the inner wall of the second column 30. The column contains push rods driven by the telescopic rods: a first push rod 22 and a second push rod 32, as well as piston rods connected to the push rods: a first piston rod 21 and a second piston rod 31. With the cooperation of sealing rings 14 on the first push rod 22 and the second push rod 32, the telescopic rods are driven by a motor to perform precise reciprocating motion within the column, completing the piston function of adhesive suction and dispensing. Simultaneously, the sealing rings 14 ensure the sealing of the piston cavity, thereby guaranteeing as accurate a measurement as possible during adhesive suction and dispensing operations.

[0029] The valve control assembly is the key to achieving alternating operation. The third motor 26 and the fourth motor 36 are mounted on the base plate 13 and independently control the opening and closing of two sets of valves: the first valve 27, the third valve 28, the second valve 37, and the fourth valve 38. These valves precisely manage the opening and closing of the four fluid passages: the first dispensing tube 23, the second dispensing tube 33, the first suction tube 24, and the second suction tube 34.

[0030] To achieve a higher degree of automation and reliability to improve work efficiency, this mechanism integrates comprehensive intelligent components. Signal acquisition: Displacement sensor 60 monitors the stroke of the push rod in real time to accurately control the amount of adhesive suction and dispensing; pressure sensor 61 monitors the pressure in the dispensing pipeline to determine abnormal conditions such as blockage and insufficient adhesive; liquid level sensor 63 monitors the remaining adhesive in the dispensing tank 4; position sensor 64 confirms whether each valve is in position. Signal processing and execution: All sensor signals are transmitted to PLC processor 66. PLC processor 66 acts as the control center, analyzing and calculating based on preset programs and real-time feedback signals. Then, it sends instructions to the first motor 25, second motor 35, third motor 26, and fourth motor 36 through information transceiver unit 65, forming a complete closed-loop control system. This enables the dispensing mechanism to intelligently adjust working parameters, diagnose faults, and ensure that the two dispensing units work efficiently and asynchronously in a coordinated manner.

[0031] The basic operational status of this organization is as follows: State 1: When the third motor 26 is working, the first valve 27 is open, that is, the dispensing passage of the first dispensing tube 23 connecting the first dispensing unit 2 and the dispensing head 5 remains unobstructed. At the same time, due to the closure of the third valve 28, the suction passage of the first suction tube 24 connecting the first dispensing unit 2 and the dispensing tank 4 is disconnected. Simultaneously, the fourth motor 36 is activated, causing the second valve 37 to close, that is, the dispensing passage of the second dispensing tube 33 connecting the second dispensing unit 3 and the dispensing head 5 is disconnected. The fourth valve 38 is opened, that is, the suction passage of the second suction tube 34 connecting the second dispensing unit 3 and the dispensing tank 4 remains unobstructed. At this time, the first motor 25 drives the first dispensing unit 2 to perform dispensing operations, while the second motor 35 drives the second dispensing unit 3 to perform suction operations.

[0032] State 2: When switching is required, all motors work together. The third motor 26 and the fourth motor 36 switch the valve state, so that the first dispensing unit 2 switches to suction and the second dispensing unit 3 switches to dispensing. This cycle repeats, reducing the gap in dispensing and suction time and improving the efficiency of continuous dispensing operations.

[0033] State 3: When any unit in the first dispensing unit 2 or the second dispensing unit 3 malfunctions, for example: pressure sensor 61 detects a continuous abnormal pressure in a dispensing pipeline, indicating possible blockage or leakage; displacement sensor 60 detects that a push rod is stuck or has not reached the designated position; the motor feeds back an overload signal; the PLC processor 66 will immediately recognize the fault signal and start the preset fault handling program. The PLC processor 66 first locks the faulty unit and sends a clear fault alarm and diagnostic information to the central control system or operator interface through the information transceiver unit 65. For example: the first piston rod 21 in the first dispensing unit 2 moves abnormally, the system mode switches: the third motor 26 and the fourth motor 36 are controlled to close all dispensing and suction paths corresponding to the faulty unit, that is, to close its corresponding dispensing valve. Both the door and the suction valve are closed, isolating them from the fluid circuit to prevent glue leakage or mutual interference. Simultaneously, to ensure unobstructed flow to the normal dispensing unit, the system switches to a standalone mode where a single normal dispensing unit operates independently. In this mode, the normal dispensing unit undertakes all dispensing tasks, and its work cycle reverts to the traditional suction-dispensing-suction-suction-dispensing pattern. The PLC processor 66 may adjust the dispensing parameters of the normal unit accordingly, such as dispensing speed and stroke, and reduce the production cycle time to maintain uninterrupted production while ensuring dispensing quality. There is no need to worry about production being forced to stop due to a malfunction of a single dispensing unit. Furthermore, since the two dispensing units do not share the same valve, valve wear is reduced, ensuring the stability of the entire system and lowering maintenance costs.

[0034] Finally, to further enhance the continuous operation capability of the equipment, as a preferred embodiment, the dispensing tank 4 is equipped with an automatic liquid replenishment system. This liquid replenishment system may include a liquid replenishment passage (not shown in the figure) and an external large-capacity glue storage tank. A liquid replenishment valve controlled by a PLC processor 66 can be installed on the liquid replenishment passage. Its working process is as follows: the liquid level sensor 63 monitors the glue level in the dispensing tank 4 in real time. When the liquid level is lower than the threshold set by the PLC processor 66, the PLC processor 66 will issue a command to open the liquid replenishment valve and replenish glue into the dispensing tank 4 through the liquid replenishment passage; when the liquid level returns to the safe upper limit, the liquid replenishment valve is closed and liquid replenishment stops. This design realizes automatic and uninterrupted glue supply, avoids production interruptions caused by manual glue addition, and is suitable for long-term, large-scale automated production lines, thereby maximizing the high efficiency advantage of the equipment.

[0035] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0036] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A dispensing mechanism, characterized in that... The device includes a housing, a first dispensing unit, a second dispensing unit, a dispensing tank, a dispensing head, a connecting assembly, and a valve control assembly. The first dispensing unit, the second dispensing unit, and the dispensing tank are all housed within the housing. The connecting assembly includes a first dispensing tube, a second dispensing tube, a first suction tube, and a second suction tube. The first dispensing unit and the second dispensing unit are respectively connected to the dispensing head via the first dispensing tube and the second dispensing tube. The first dispensing unit and the second dispensing unit are respectively connected to the dispensing tank via the first suction tube and the second suction tube. The valve control assembly includes a drive mechanism and a valve group, both of which are housed within the housing. The drive mechanism controls the first dispensing unit and the second dispensing unit to independently perform dispensing and suction operations. The valve group ensures that the first dispensing tube, the second dispensing tube, the first suction tube, and the second suction tube maintain corresponding passage states when the first dispensing unit and the second dispensing unit are performing dispensing and suction operations.

2. The dispensing mechanism according to claim 1, characterized in that, The box is provided with a top plate, a fixed plate and a bottom plate from top to bottom. The first dispensing unit includes a first column and the second dispensing unit includes a second column. The first column, the second column and the dispensing bucket are all arranged on the fixed plate.

3. The dispensing mechanism according to claim 2, characterized in that, The driving mechanism includes a first motor and a second motor. The first motor and the second motor are connected to the side of the top plate facing away from the fixed plate. The first dispensing unit also includes a first piston rod and a first push rod. The first piston rod and the first push rod are both disposed within the first column. A first telescopic rod is disposed on the inner wall of the first column. One end of the first push rod is connected to the first telescopic rod, and the other end of the first push rod passes through the top plate and is connected to the first piston rod. The output end of the first motor is connected to the first telescopic rod. The first motor is used to drive the first telescopic rod to reciprocate along the axis of the first column. The second dispensing unit also includes a second piston rod and a second push rod. The second piston rod and the second push rod are both disposed within the second column. A second telescopic rod is disposed on the inner wall of the second column. One end of the second push rod is connected to the second telescopic rod, and the other end of the second push rod passes through the top plate and is connected to the second piston rod. The output end of the second motor is connected to the second telescopic rod. The second motor is used to drive the second telescopic rod to reciprocate along the axis of the second column.

4. The dispensing mechanism according to claim 3, characterized in that, The drive mechanism further includes a third motor and a fourth motor. The third motor and the fourth motor are connected to the side of the base plate facing the fixed plate. The valve group includes a first valve, a second valve, a third valve, and a fourth valve. The first dispensing tube is connected to the first valve, the second dispensing tube is connected to the second valve, the first suction tube is connected to the third valve, and the second suction tube is connected to the fourth valve. The third motor is used to control the opening and closing of the first valve and the third valve, and the fourth motor is used to control the opening and closing of the second valve and the fourth valve.

5. The dispensing mechanism according to claim 3, characterized in that, Both the end of the first push rod near the first piston rod and the end of the second push rod near the second piston rod are provided with sealing rings.

6. The dispensing mechanism according to claim 4, characterized in that, The dispensing mechanism further includes an information transceiver component, which includes a displacement sensor, a pressure sensor, a liquid level sensor, and a position sensor. The displacement sensor is disposed on the first push rod and the second push rod, the pressure sensor is disposed inside the first dispensing tube and the second dispensing tube, the liquid level sensor is disposed inside the dispensing bucket, and the position sensor is disposed inside the first valve, the second valve, the third valve, and the fourth valve. The displacement sensor is used to collect displacement signals, the pressure sensor is used to collect pressure signals, the liquid level sensor is used to collect liquid level signals, and the position sensor is used to collect position signals.

7. The dispensing mechanism according to claim 6, characterized in that, The information transceiver assembly further includes an information transceiver unit and a PLC processor, both of which are housed within the housing. The displacement sensor, pressure sensor, liquid level sensor, position sensor, and information transceiver unit are all electrically connected to the PLC processor. The PLC processor is used to control the first dispensing unit and the second dispensing unit to independently complete the dispensing and suction operations based on the displacement signal, pressure signal, liquid level signal, and position signal received and transmitted by the information transceiver unit.

8. A dispensing machine, characterized in that, Includes the dispensing mechanism as described in any one of claims 1-7.

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