Valve element assembling system

Abstract

The invention relates to the technical field of valve assembly, in particular to a valve element assembly system which comprises a rack, a guide air cylinder and an elastic piece. A limiting piece and a fixing piece are arranged on the rack; the guide air cylinder is arranged on the limiting piece, and a plurality of air holes are formed in the inner wall face of the guide air cylinder and used for driving the to-be-assembled valve element to move in the guide air cylinder through air pressure of air exhausted from the air holes when the to-be-assembled valve element is inserted into the guide air cylinder; and one end of the elastic piece is fixed on the rack, and the other end is connected with one end of the to-be-assembled valve core far away from the to-be-assembled valve body. According to the valve element assembling system, the high-pressure gas is adopted to drive the valve element to be assembled to move, the displacement generated by the high-pressure gas to the valve element to be assembled is small, the assembling efficiency of the valve element to be assembled and the valve body to be assembled is high, the buffering effect is provided through the elastic effect of the elastic piece, direct collision between the valve element to be assembled and the valve body to be assembled is avoided, and the assembling efficiency is improved. The possibility that the valve element is scratched and damaged is reduced, and the reliability of the assembled valve body is improved.

Description

Technical Field

[0001] The invention relates to the technical field of valve assembly, and in particular to a valve core assembly system. Background Art

[0002] In the prior art, the following assembly methods are generally used in the study of precision assembly of valve cores: manual assembly, clamping and pressing, or vibration assembly, etc., all of which have disadvantages. Since the valve core and valve hole of the electromagnetic unloading valve have small matching tolerances and there are many types of valve cores, manual assembly is inefficient, easy to assemble incorrectly, and easy to damage the valve core. The clamping and pressing scheme is limited by the accuracy of clamping methods such as robots, and the valve core and valve hole are easily misaligned during assembly, which may cause scratches and damage to the valve core. The existing vibration assembly scheme has a large vibration range, which makes it difficult to align the valve core and valve hole, and the unreasonable design of the movable frame makes it easy for the valve core that enters the valve hole first to be scratched and damaged, and the end face of the valve core is damaged during vibration.

[0003] Therefore, the above-mentioned valve core precision assembly methods all have the problems of long assembly time, low efficiency, easy scratch damage to the valve core and low reliability. Summary of the invention

[0004] The invention provides a valve core assembly system for solving the defects of the valve core precision assembly method in the prior art, such as long assembly time, low efficiency, easy scratch damage to the valve core and low reliability.

[0005] The present invention provides a valve core assembly system, comprising: A frame, wherein a limiting member and a fixing member are provided on the frame, wherein the fixing member is used to install the valve body to be assembled, and the limiting member is used to limit the installation of the valve core to be assembled; A guide air cylinder is arranged on the stopper, and a plurality of air holes are arranged on the inner wall surface of the guide air cylinder, so that when the valve core to be assembled is inserted into the guide air cylinder, the air pressure of the gas discharged through the air holes drives the valve core to be assembled to move in the guide air cylinder; The elastic member has one end fixed on the frame and the other end connected to an end of the valve core to be assembled away from the valve body to be assembled.

[0006] The valve core assembly system provided according to the present invention further includes: a proximity sensor, which is arranged close to the contact surface between the valve core to be assembled and the valve body to be assembled, and is used to detect the proximity state between the valve core to be assembled and the valve body to be assembled.

[0007] The valve core assembly system provided by the present invention further includes: a displacement sensor, which is arranged near the connection position between the elastic member and the valve core to be assembled, and is used to detect the lifting displacement change of the valve core to be assembled; wherein,

[0008] The displacement sensor is used to cooperate with the proximity sensor. After the valve core to be assembled is close to and fits with the valve body to be assembled, the displacement sensor is used to detect the displacement state of the valve core to be assembled to determine whether the valve core to be assembled enters the valve hole of the valve body to be assembled.

[0009] According to the valve core assembly system provided by the present invention, a gap is set between the guide air cylinder and the valve core to be assembled, and a plurality of air holes are set on the inner wall of the guide air cylinder along the circumferential direction, which can drive the valve core to be assembled to move in multiple directions, and the air holes are connected to the air supply system.

[0010] According to the valve core assembly system provided by the present invention, at least four air holes are evenly spaced along the circumference of the guide air cylinder.

[0011] According to the valve core assembly system provided by the present invention, the limit member comprises: a limit plate, the limit plate is horizontally fixed on the frame, a limit hole is formed on the limit plate, and the guide air cylinder is interference fit with the limit hole.

[0012] According to the valve core assembly system provided by the present invention, the frame includes: a back plate and a top plate fixedly connected, the back plate is vertically connected to the top plate, the limit member is arranged on the back plate, and one end of the elastic member is arranged on the top plate.

[0013] The valve core assembly system provided according to the present invention further includes: a connecting plate, one end of which is connected to the bottom of the top plate, and the other end of which is used to install the elastic member.

[0014] According to the valve core assembly system provided by the present invention, at least two elastic members are provided, and the elastic members are vertically installed on the outer side of the connecting plate.

[0015] The valve core assembly system provided according to the present invention further comprises: a buckle plate, the other end of the elastic member is connected to the end of the buckle plate, and the buckle plate passes through the through hole of the valve core to be assembled.

[0016] The present invention provides a valve core assembly system, which includes: a frame, a guide air cylinder and an elastic member. Among them, a limiter and a fixing member are provided on the frame, the fixing member is used to install the valve body to be assembled, and the limiter is used to limit the installation of the valve core to be assembled; the guide air cylinder is provided on the limiter, and a plurality of air holes are provided on the inner wall surface of the guide air cylinder, which are used to drive the valve core to be assembled to move in the guide air cylinder through the air pressure of the gas discharged through the air holes when the valve core to be assembled is inserted into the guide air cylinder; one end of the elastic member is fixed on the frame, and the other end is connected to the end of the valve core to be assembled away from the valve body to be assembled. The present invention provides a valve core assembly system, which uses high-pressure gas to drive the valve core to be assembled to move, and the high-pressure gas produces a small displacement on the valve core to be assembled, and the assembly efficiency of the valve core to be assembled and the valve body to be assembled is high. In addition, through the elastic effect of the elastic member, a buffering effect is provided, which avoids the direct collision between the valve core to be assembled and the valve body to be assembled, reduces the possibility of the valve core being scratched and damaged, and improves the reliability of the valve body after assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of a valve core assembly system provided in one embodiment of the present invention.

[0019] Figure 2 It is a schematic diagram of the structure of a guide air cylinder provided in one embodiment of the present invention.

[0020] Figure 3 It is a schematic diagram of the structure of a limiter provided in one embodiment of the present invention.

[0021] Figure 4 It is a schematic structural diagram of an elastic member, a connecting plate and a buckle plate provided in one embodiment of the present invention.

[0022] Reference numerals: 1-valve body to be assembled; 2-valve core to be assembled; 3-limiting piece; 31-limiting hole; 4-guide air cylinder; 41: air hole; 5-top plate; 6-elastic piece; 7-back plate; 8-fixing piece; 9-proximity sensor; 10-displacement sensor; 11-connecting plate; 12-hook plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present embodiment and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present embodiment.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this embodiment, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0026] In this embodiment, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0027] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0028] Combine the following Figure 1-Figure 4 The valve core assembly system of the present invention is described. The valve core assembly system comprises: a frame, a guide air cylinder 4 and an elastic member 6.

[0029] Among them, a limit piece 3 and a fixing piece 8 are provided on the frame, the fixing piece 8 is used to install the valve body 1 to be assembled, and the limit piece 3 is used to limit the installation of the valve core 2 to be assembled; the guide air cylinder 4 is arranged on the limit piece 3, and a plurality of air holes 41 are provided on the inner wall surface of the guide air cylinder 4, which are used to drive the valve core 2 to be assembled 2 to move in the guide air cylinder 4 when the valve core 2 to be assembled is inserted into the guide air cylinder 4. The air pressure of the gas discharged through the air holes 41 drives the valve core 2 to be assembled to move in the guide air cylinder 4; one end of the elastic piece 6 is fixed on the frame, and the other end is connected to the end of the valve core 2 to be assembled away from the valve body 1 to be assembled.

[0030] Specifically, the frame serves as the supporting part of the whole system, and a fixing member 8 is provided on it, and the valve body 1 to be assembled is installed through the fixing member 8 to ensure that the valve body 1 to be assembled does not move during the assembly process. Optionally, the fixing member 8 can be a bottom plate, and a groove for placing the valve body 1 to be assembled is provided on the bottom plate, which is used to limit the valve body 1 to be assembled.

[0031] The limiting member 3 on the frame is used to roughly limit the position of the valve core 2 to be assembled. Before the assembly begins, the guide air cylinder 4 is passed through the limiting hole 31 on the limiting member 3, and the valve core 2 to be assembled is inserted into the guide air cylinder 4, or the valve core 2 to be assembled is directly inserted into the limiting hole 31 on the limiting member 3 to roughly limit the position of the valve core 2 to be assembled.

[0032] The valve core 2 to be assembled is hoisted under the frame by the elastic member 6. The elastic deformation of the elastic member 6 replaces the fixed connection between the valve core 2 to be assembled and the frame in the prior art, solves the problem of being unfavorable for position adjustment of the valve core 2 to be assembled and easy damage to the valve core 2 to be assembled and the equipment. The flexible connection of the elastic member 6 allows the valve core 2 to be assembled to move, and when the valve core 2 to be assembled descends, the elastomer provides a buffering effect. On the other hand, the elastic member 6 has a reset function for the valve core 2 to be assembled, and after the guide air cylinder 4 is removed, it prevents it from tipping over and other problems.

[0033] By introducing high-pressure gas into the guide cylinder 4, the high-pressure gas is used to push the valve core 2 to be assembled in the guide cylinder 4 to move slightly, so that the valve core 2 to be assembled is aligned with the valve hole of the valve body 1 to be assembled, and then the valve core 2 to be assembled enters the valve hole of the valve body 1 to be assembled by its own weight to complete the assembly of the valve core and the valve body. In addition, inserting the valve core 2 to be assembled into the guide cylinder 4, or directly inserting the valve core 2 to be assembled into the limiting hole 31 of the limiting member 3, both have a rough limiting effect on the valve core 2 to be assembled, and then the high-pressure gas discharged from the guide cylinder 4 drives the valve core 2 to be assembled to move slightly to complete the valve control alignment between it and the valve body 1 to be assembled.

[0034] The present invention provides a valve core assembly system, which includes: a frame, a guide air cylinder 4 and an elastic member 6. The frame is provided with a limiter 3 and a fixing member 8, the fixing member 8 is used to install the valve body 1 to be assembled, and the limiter 3 is used to limit the installation of the valve core 2 to be assembled; the guide air cylinder 4 is arranged on the limiter 3, and a plurality of air holes 41 are arranged on the inner wall surface of the guide air cylinder 4, which are used to drive the valve core 2 to be assembled to move in the guide air cylinder 4 when the valve core 2 to be assembled is inserted into the guide air cylinder 4, and the air pressure of the gas discharged through the air holes 41 drives the valve core 2 to be assembled to move in the guide air cylinder 4; one end of the elastic member 6 is fixed on the frame, and the other end is connected to the end of the valve core 2 to be assembled away from the valve body 1 to be assembled. The present invention provides a valve core assembly system, which uses high-pressure gas to drive the valve core 2 to be assembled to move. The high-pressure gas causes little displacement of the valve core 2 to be assembled, and the assembly efficiency of the valve core 2 to be assembled and the valve body 1 to be assembled is high. In addition, the elastic action of the elastic member 6 provides a buffering effect, thereby avoiding direct collision between the valve core 2 to be assembled and the valve body 1 to be assembled, reducing the possibility of the valve core being scratched and damaged, and improving the reliability of the valve body after assembly.

[0035] In one embodiment of the present invention, the valve core assembly system further includes: a proximity sensor 9, which is arranged close to the contact surface between the valve core 2 to be assembled and the valve body 1 to be assembled, and is used to detect the proximity state between the valve core 2 to be assembled and the valve body 1 to be assembled. In this embodiment, by detecting the proximity state between the valve core 2 to be assembled and the valve body 1 to be assembled at the proximity sensor 9, it is specifically determined whether the lower surface of the valve core 2 to be assembled is in contact with the upper surface of the valve body 1 to be assembled.

[0036] It is understandable that, according to different working principles, the proximity sensor 9 can be divided into multiple types, including but not limited to: 1. Inductive proximity sensors: These sensors are usually used to detect metal objects. They sense the presence of the target object through changes in the electromagnetic field. When a metal object approaches the sensor, it changes the magnetic field around it, triggering the sensor to output a signal.

[0037] 2. Photoelectric proximity sensor: It uses the interaction between the light emitted by a light emitter (such as an LED) and a light receiver to detect objects. When an object enters the beam path, it reflects or blocks the light, causing the light intensity received by the receiver to change, thereby triggering the sensor action. Photoelectric sensors can be further divided into through-beam type, diffuse reflection type, and mirror reflection type.

[0038] 3. Ultrasonic proximity sensor: Uses ultrasonic pulses to measure the distance to an object. The sensor emits ultrasonic waves and then calculates the time it takes for the echo to return to determine the location of the target. This type of sensor is suitable for situations where a longer detection distance is required and is not affected by color or transparency.

[0039] 4. Magnetic proximity sensor: relies on the change of magnetic field to detect magnetic objects at a specific location. This type of sensor is often used in access control systems or as a switch.

[0040] 5. Capacitive proximity sensor: It senses objects by detecting the change in capacitance between two conductors. When an object approaches, the distribution of the original electric field is changed, causing the capacitance to change, thereby realizing the detection function. Capacitive sensors can detect not only metal objects, but also non-metallic substances.

[0041] In one embodiment of the present invention, the valve core assembly system further includes: a displacement sensor 10, which is arranged near the connection position between the elastic member 6 and the valve core 2 to be assembled, and is used to detect the lifting displacement change of the valve core 2 to be assembled. The displacement sensor 10 is used to cooperate with the proximity sensor 9, and after the valve core 2 to be assembled and the valve body 1 to be assembled are close to and fitted, the displacement state of the valve core 2 to be assembled is detected by the displacement sensor 10 to determine whether the valve core 2 to be assembled enters the valve hole of the valve body 1 to be assembled. In this embodiment, the displacement sensor 10 needs to cooperate with the proximity sensor 9 to determine whether the valve core 2 to be assembled has entered the valve hole of the valve body 1 to be assembled. Specifically, when the proximity sensor 9 detects that the lower surface of the valve core 2 to be assembled is in contact with the upper surface of the valve body 1 to be assembled, if the displacement sensor 10 detects that the lifting and lowering displacement of the valve core 2 to be assembled has not changed, it indicates that the valve core 2 to be assembled has not been inserted into the valve hole, and the position of the valve core 2 to be assembled needs to be adjusted by the guide air cylinder 4 until the displacement sensor 10 detects that the valve core 2 to be assembled has a downward displacement, which indicates that the valve core 2 to be assembled has been inserted into the valve hole. After that, the valve core is inserted into place by its own gravity.

[0042] It should be understood that the displacement sensor 10 can be divided into multiple types according to different working principles and technologies: 1. Linear encoder: A linear encoder is a high-precision displacement measurement tool that can convert linear motion into electrical signal output. A linear encoder usually consists of a tape (ruler) and a reader. The tape is engraved with precise scales or codes. The reader reads this information optically or magnetically and then calculates the position change.

[0043] 2. Rotary encoder: Rotary encoders are used to measure rotation angle or speed. They can be absolute, that is, each position has a unique code; or incremental, which only provides information about relative position changes. Rotary encoders are widely used in motor control, robot joints, etc.

[0044] 3. Potentiometer: A potentiometer is a simple displacement sensor that reflects changes in position by changing the resistance value. They are often used in applications that require lower accuracy, such as volume controllers.

[0045] 4. Laser displacement sensor: Laser displacement sensor uses the principle of laser ranging to measure displacement in a small range very accurately. This sensor has the characteristics of non-contact measurement and is suitable for fields such as precision machining and quality inspection.

[0046] 5. Magnetostrictive displacement sensor: Based on the magnetostrictive effect, when the magnetic field strength changes, the material will undergo a slight change in length. By measuring this change, the displacement can be indirectly known. This type of sensor is suitable for displacement measurement in harsh environments such as high temperature and high pressure.

[0047] 6. Hall Effect Sensor: Hall Effect Sensors can be used to measure changes in magnetic field strength and infer displacement. They are small in size, low in power consumption, and suitable for embedded applications.

[0048] 7. Fiber Optic Displacement Sensor: It uses the characteristics of optical fiber to transmit light signals and measures displacement by detecting the intensity or phase change of reflected light. Fiber optic displacement sensor has the advantages of strong anti-electromagnetic interference ability and high sensitivity.

[0049] Optionally, after the process of detecting whether the valve core is inserted into the valve hole by the proximity sensor 9 and the displacement sensor 10 is completed, an alarm reminder can be used to inform the staff that the guide air cylinder 4 needs to be started to adjust the valve core position or that the valve core has been assembled and needs to proceed to the next assembly step.

[0050] In one of the embodiments of the present invention, a gap is set between the guide air cylinder 4 and the valve core 2 to be assembled, and a plurality of air holes 41 are set on the inner wall of the guide air cylinder 4 along the circumferential direction, which can drive the valve core 2 to be assembled to move in multiple directions, and the air holes 41 are connected to the air supply system. In this embodiment, the inner diameter of the guide air cylinder 4 is slightly larger than the outer diameter of the valve core 2 to be assembled, which provides space for the air holes 41 to exhaust air to the valve core 2 to be assembled on the one hand, and provides space for the movement of the valve core 2 to be assembled on the other hand. It should be understood that the gap between the guide air cylinder 4 and the valve core 2 to be assembled should not be too large to ensure that the guide air cylinder 4 has a certain limiting effect on the valve core 2 to be assembled. By setting a plurality of air holes 41, high-pressure gas can be discharged to the valve core 2 to be assembled in different directions, so that the valve core 2 to be assembled can move in multiple directions to meet the need of centering with the valve body 1 to be assembled.

[0051] In one embodiment of the present invention, Figure 2 As shown, at least four air holes 41 are evenly spaced along the circumference of the guide air cylinder 4. In this embodiment, the guide air cylinder 4 has air holes 41 in four directions, which can drive the valve core 2 to be assembled to move slightly in four directions, and the air holes 41 in two adjacent directions can cooperate to achieve the small movement of the valve core 2 to be assembled in eight directions. Specifically, the angle between each air hole 41 is 90°.

[0052] In one embodiment of the present invention, Figure 3 As shown, the limiting member 3 includes: a limiting plate, the limiting plate is horizontally fixed on the frame, a limiting hole 31 is formed on the limiting plate, and the guide air cylinder 4 is interference-fitted with the limiting hole 31. In this embodiment, the limiting member 3 adopts a flat plate structure, that is, a limiting plate, and the limiting hole 31 is processed at the geometric center of the limiting plate. The guide air cylinder 4 is interference-fitted with the limiting hole 31 to ensure the stable assembly of the guide air cylinder 4.

[0053] In one embodiment of the present invention, the rack includes: a back plate 7 and a top plate 5 that are fixedly connected, the back plate 7 is vertically connected to the top plate 5, the stopper 3 is arranged on the back plate 7, and one end of the elastic member 6 is arranged on the top plate 5. Specifically, the fixing member 8 is located at the bottom of the back plate 7, and the fixing member 8 preferably adopts a fixed bottom plate, which is opposite to the top plate 5, the back plate 7 is vertically arranged between the top plate 5 and the fixed bottom plate, the stopper 3 is horizontally fixed on the back plate 7, and one end of the elastic member 6 is fixed below the top plate 5.

[0054] In one embodiment of the present invention, Figure 4As shown, the valve core assembly system also includes: a connecting plate 11, one end of the connecting plate 11 is connected to the bottom of the top plate 5, and the other end of the connecting plate 11 is used to install the elastic member 6. Preferably, the connecting plate 11 has two movable members that are movably connected to each other, and the elastic member 6 is connected to the movable member located on the outside. The movable member located on the outside has locking holes on both sides, and locking pins are correspondingly configured. The locking pins can be inserted into the locking holes to limit the elastic member 6. When the locking pin is removed from the locking hole, the elastic member 6 can fall freely.

[0055] In one embodiment of the present invention, at least two elastic members 6 are provided, and the elastic members 6 are vertically mounted on the outer side of the connecting plate 11. Figure 1 In the illustrated embodiment, two elastic members 6 are provided, and the two elastic members 6 are respectively located on the left and right sides of the connecting plate 11. The two elastic members 6 improve the elastic effect on the valve core 2 to be assembled, and avoid the problem of the valve core 2 to be assembled tilting to one side.

[0056] In one embodiment of the present invention, Figure 4 As shown, the valve core assembly system further includes: a buckle plate 12, the other end of the elastic member 6 is connected to the end of the buckle plate 12, and the buckle plate 12 passes through the through hole of the valve core 2 to be assembled. Specifically, the buckle plate 12 is connected between the two elastic members 6 and passes through the through hole of the valve core 2 to be assembled, and the elastic member 6 is connected to the through hole of the valve core 2 to be assembled through the buckle plate 12 to ensure assembly stability.

[0057] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, i.e., they may be located in one place, or they may be distributed over multiple units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the present embodiment. Those of ordinary skill in the art may understand and implement the present invention without creative effort.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A valve core assembly system, characterized in that: include: A frame, wherein a limiting member (3) and a fixing member (8) are provided on the frame, wherein the fixing member (8) is used to install the valve body (1) to be assembled, and the limiting member (3) is used to limit the installation of the valve core (2) to be assembled; A guide air cylinder (4) is arranged on the stopper (3), and a plurality of air holes (41) are arranged on the inner wall surface of the guide air cylinder (4), so that when the valve core (2) to be assembled is inserted into the guide air cylinder (4), the air pressure of the air discharged through the air holes (41) drives the valve core (2) to be assembled to move in the guide air cylinder (4); An elastic member (6) has one end fixed to the frame and the other end connected to an end of the valve core (2) to be assembled that is away from the valve body (1) to be assembled.

2. The valve core assembly system according to claim 1, characterized in that: Also includes: A proximity sensor (9), wherein the proximity sensor (9) is arranged close to a contact surface between the valve core (2) to be assembled and the valve body (1) to be assembled, and is used to detect a proximity state between the valve core (2) to be assembled and the valve body (1) to be assembled.

3. The valve core assembly system according to claim 2, characterized in that: Also includes: A displacement sensor (10), the displacement sensor (10) being arranged close to the connection position between the elastic member (6) and the valve core (2) to be assembled, the displacement sensor (10) being used to detect the lifting and lowering displacement change of the valve core (2) to be assembled; wherein: The displacement sensor (10) is used to cooperate with the proximity sensor (9); after the valve core (2) to be assembled and the valve body (1) to be assembled are close to and fitted together, the displacement sensor (10) detects the displacement state of the valve core (2) to be assembled, so as to determine whether the valve core (2) to be assembled has entered the valve hole of the valve body (1) to be assembled.

4. The valve core assembly system according to claim 1, characterized in that: A gap is provided between the guide air cylinder (4) and the valve core (2) to be assembled, and a plurality of air holes (41) are provided on the inner wall of the guide air cylinder (4) along the circumferential direction, which can drive the valve core (2) to be assembled to move in multiple directions, and the air holes (41) are connected to the air supply system.

5. The valve core assembly system according to claim 4, characterized in that: At least four air holes (41) are evenly spaced along the circumference of the guide air cylinder (4).

6. The valve core assembly system according to claim 1, characterized in that: The limiting member (3) comprises a limiting plate, the limiting plate being horizontally fixed on the frame, a limiting hole (31) being formed on the limiting plate, and the guide air cylinder (4) being interference-fitted with the limiting hole (31).

7. The valve core assembly system according to any one of claims 1 to 6, characterized in that: The frame comprises: a back plate (7) and a top plate (5) which are fixedly connected, the back plate (7) being vertically connected to the top plate (5), the limiting member (3) being arranged on the back plate (7), and one end of the elastic member (6) being arranged on the top plate (5).

8. The valve core assembly system according to claim 7, characterized in that: Also includes: A connecting plate (11), one end of the connecting plate (11) being connected to the bottom of the top plate (5), and the other end of the connecting plate (11) being used for mounting the elastic member (6).

9. The valve core assembly system according to claim 8, characterized in that: At least two elastic members (6) are provided, and the elastic members (6) are vertically mounted on the outer side of the connecting plate (11).

10. The valve core assembly system according to claim 9, characterized in that: Also includes: A buckle plate (12), the other end of the elastic member (6) being connected to the end of the buckle plate (12), and the buckle plate (12) passing through a through hole of the valve core (2) to be assembled.

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