A valve core assembly line

By designing a valve core assembly production line, the automated assembly and testing of valve cores were achieved, solving the problem of low assembly efficiency in existing technologies, improving assembly efficiency, and performing airtightness testing and packaging.

CN116690183BActive Publication Date: 2025-11-25KAIPING SEDAL TAP COMPONENTS
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Patent Information

Application Number
CN202310848272.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-07-11
Publication Date
2025-11-25
Estimated Expiration
2043-07-11

AI Technical Summary

Technical Problem

The current valve core assembly mainly relies on manual labor, resulting in low assembly efficiency.

Method used

Design a valve core assembly production line, including a moving plate assembly device, a stationary plate assembly device, a main body assembly device, a sealing assembly device, an airtightness testing device, a valve core inkjet printing device, and a rotary packaging device. Through the coordinated work of these devices, the automated assembly and testing of valve cores can be achieved.

Benefits of technology

It improves the assembly efficiency of the valve core and enables airtightness testing and packaging of the assembled valve core, making it more convenient to use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a valve core assembling line, which comprises a moving piece assembling device, a static piece assembling device, a main body assembling device, a sealing assembling device, an air tightness detecting device, a valve core code spraying device and a rotary packaging device, a first conveying structure is arranged between the moving piece assembling device and the static piece assembling device, a second conveying structure is arranged between the static piece assembling device and the main body assembling device, a third conveying structure is arranged between the main body assembling device and the sealing assembling device, a fourth conveying structure is arranged between the sealing assembling device and the air tightness detecting device, the air tightness detecting device is used for detecting the air tightness of the assembled valve core, a fifth conveying structure is arranged between the air tightness detecting device and the valve core code spraying device, the valve core code spraying device is used for spraying codes on the valve core, and a sixth conveying structure is arranged between the valve core code spraying device and the rotary packaging device. The application can effectively improve the assembling efficiency of the valve core.
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Description

Technical Field

[0001] This invention relates to the field of valve core assembly equipment technology, and in particular to a valve core assembly production line. Background Technology

[0002] The valve core is the core component for turning on and off a faucet and regulating hot and cold water. A typical valve core includes a valve stem assembly, a moving plate assembly, a stationary plate assembly, and a housing. These four components need to be assembled in an orderly manner to form the valve core.

[0003] Currently, valve core assembly includes the following steps: moving plate assembly, stationary plate assembly, and main body assembly. Specifically, the moving plate assembly is assembled into a moving plate assembly; the stationary plate assembly is assembled into a stationary plate assembly; and the valve stem assembly, moving plate assembly, stationary plate assembly, and housing are then sequentially combined to form the valve core, thus completing the valve core assembly. Most existing valve core assembly is done manually, resulting in low assembly efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a valve core assembly line that can improve assembly efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A valve core assembly line includes a moving plate assembly device, a stationary plate assembly device, a main body assembly device, a sealing assembly device, an airtightness testing device, a valve core inkjet printing device, and a rotary packaging device. The moving plate assembly device assembles the components of the moving plate assembly of the valve core into a moving plate assembly. A first conveying structure is provided between the moving plate assembly device and the stationary plate assembly device to convey the assembled moving plate assembly to the stationary plate assembly device. The stationary plate assembly device assembles the components of the stationary plate assembly of the valve core into a stationary plate assembly, and the assembled stationary plate assembly receives the moving plate assembly from the first conveying structure and assembles the moving plate assembly onto the stationary plate assembly to form a first assembly. A second conveying structure is provided between the stationary plate assembly device and the main body assembly device to convey the first assembly to the main body assembly device. The main body assembly device is used to assemble the valve stem assembly. The valve core is sequentially assembled with the outer shell onto the first assembly to form the second assembly. A third conveying structure is provided between the main assembly device and the sealing assembly device to convey the second assembly to the sealing assembly device. The sealing assembly device is used to assemble the integrated sealing ring to the bottom of the second assembly to complete the assembly of the valve core. A fourth conveying structure is provided between the sealing assembly device and the airtightness detection device to convey the assembled valve core to the airtightness detection device. The airtightness detection device performs airtightness testing on the assembled valve core. A fifth conveying structure is provided between the airtightness detection device and the valve core inkjet printing device to convey the valve core to the valve core inkjet printing device. The valve core inkjet printing device is used to print codes on the valve core. A sixth conveying structure is provided between the valve core inkjet printing device and the rotary packaging device to convey the valve core onto the rotary packaging device.

[0007] As a further technical solution of the present invention: the moving piece assembly device includes a moving piece assembly seat and a moving piece assembly turntable rotatably disposed on the moving piece assembly seat. The moving piece assembly turntable is provided with a plurality of first positioning seats spaced apart along its edge. The moving piece assembly seat is provided with a moving piece bottom cover loading station, a moving piece top cover loading station, a first pressing station and a moving piece output station corresponding to each first positioning seat in sequence along the rotation direction of the moving piece assembly turntable.

[0008] As a further technical solution of the present invention: the moving piece assembly seat has a moving piece bottom cover feeding structure on one side corresponding to the moving piece bottom cover feeding station, for feeding the moving piece bottom cover onto the first positioning seat of the moving piece bottom cover feeding station; the moving piece assembly seat has a moving piece top cover feeding structure on the other side corresponding to the moving piece top cover feeding station, for feeding the moving piece top cover onto the first positioning seat of the moving piece top cover feeding station, so that the moving piece top cover is assembled onto the moving piece bottom cover; the moving piece assembly seat has a pressing structure on it corresponding to the first pressing station, for pressing down the assembled moving piece top cover and moving piece bottom cover; the input end of the first conveying structure is correspondingly set on the moving piece assembly seat at the moving piece output station.

[0009] As a further technical solution of the present invention: the stationary piece assembly device includes a stationary piece assembly base and a stationary piece assembly turntable rotatably disposed on the stationary piece assembly base. The stationary piece assembly turntable is provided with a plurality of second positioning seats spaced apart along its edge. The stationary piece assembly base is provided with, in sequence along the rotation direction of the stationary piece assembly turntable, a stationary piece bottom cover feeding station, a first gear sealing ring feeding station, a second gear sealing ring feeding station, a third gear sealing ring feeding station, a stationary piece top cover feeding station, a first oil injection station, a moving piece input station, and a first assembly output station, corresponding to each second positioning seat.

[0010] As a further technical solution of the present invention: the stationary plate assembly seat has a stationary plate bottom cover feeding structure at its end away from the moving plate assembly device, corresponding to the stationary plate bottom cover feeding station, for feeding the stationary plate bottom cover onto the second positioning seat at the stationary plate bottom cover feeding station; the stationary plate assembly seat has a first-position sealing ring feeding structure at each of the first-position sealing ring feeding station, the second-position sealing ring feeding station, and the third-position sealing ring feeding station, for sequentially inserting the first-position sealing ring into the stationary plate bottom cover in the second positioning seat at the first-position sealing ring feeding station, the second-position sealing ring feeding station, and the third-position sealing ring feeding station; the stationary plate assembly seat has a first-position sealing ring feeding structure at its side away from the main assembly device. A stationary sheet cover feeding structure is provided at the stationary sheet cover feeding station to feed the stationary sheet cover onto the second positioning seat of the stationary sheet cover feeding station, and assemble them into a stationary sheet assembly; the stationary sheet assembly seat is provided with a first oiling structure corresponding to the first oiling station to oil the stationary sheet assembly; the output end of the first conveying structure is provided on the stationary sheet assembly seat corresponding to the moving sheet input station, and is used to convey the moving sheet assembly to the second positioning seat of the moving sheet input station, and assemble the moving sheet assembly onto the stationary sheet assembly to form a first assembly; the input end of the second conveying structure is provided on the stationary sheet assembly seat corresponding to the first assembly output station, and is used to output the first assembly to the main assembly device.

[0011] As a further technical solution of the present invention: the main body assembly device includes a main body assembly base and a main body assembly turntable rotatably disposed on the main body assembly base. The main body assembly turntable is provided with a plurality of third positioning seats spaced apart along its edge. The main body assembly base is provided with a first assembly input station, a moving plate torsion station, a second pressing station, a valve stem assembly loading station, a second oil injection station, a housing loading station, a third pressing station, and a second assembly output station corresponding to each third positioning seat in sequence along the rotation direction of the main body assembly turntable.

[0012] As a further technical solution of the present invention: the output end of the second conveying structure is correspondingly disposed on the main assembly seat at the input station of the first assembly, for outputting the first assembly to the third positioning seat of the input station of the first assembly; the main assembly seat is provided with a moving plate torsion structure corresponding to the moving plate torsion station, for torsion of the moving plate assembly of the first assembly to a preset angle; the main assembly seat is provided with a second pressing structure corresponding to the second pressing station, for pressing down the torsionated first assembly; the main assembly seat is provided with a valve stem assembly loading structure corresponding to the valve stem assembly loading station at one end, for loading the valve stem assembly onto the third positioning seat of the valve stem assembly loading station for assembly. The first assembly is mounted on a main body assembly seat. A second oiling structure, corresponding to the second oiling station, is provided on the main body assembly seat to oil the first assembly containing the valve stem assembly. A housing loading structure, corresponding to the housing loading station, is provided on the side of the main body assembly seat away from the stationary plate assembly device. This structure is used to load the housing onto the third positioning seat of the housing loading station, assembling it to form the second assembly. A third pressing structure, corresponding to the third pressing station, is provided on the main body assembly seat to press and reinforce the second assembly. The input end of the third conveying structure is correspondingly located on the main body assembly seat at the second assembly output station, allowing the second assembly to be output from the third positioning seat of the second assembly output station.

[0013] As a further technical solution of the present invention: the sealing assembly device includes a sealing assembly base and a sealing assembly turntable rotatably disposed on the sealing assembly base. The sealing assembly turntable is provided with a plurality of fourth positioning seats at intervals along its edge. The sealing assembly base is provided with a second assembly input station, a sealing ring assembly station, a fourth pressing station, and a valve core output station corresponding to each fourth positioning seat in sequence along the rotation direction of the sealing assembly turntable. The output end of the third conveying structure is disposed on the sealing assembly base corresponding to the second assembly input station, for inputting the second assembly backwards onto the fourth positioning seat of the second assembly input station. The sealing assembly base is provided with a sealing ring assembly structure corresponding to the sealing ring assembly station on its side facing the main assembly device, for assembling the integral sealing ring to the bottom of the second assembly to complete the valve core assembly. The sealing assembly base is provided with a fourth pressing structure corresponding to the fourth pressing station, for pressing down and reinforcing the integral sealing ring at the bottom of the valve core. The input end of the fourth conveying structure is disposed on the sealing assembly base corresponding to the valve core output station, for inputting the valve core forwards into the airtightness detection device.

[0014] As a further technical solution of the present invention: the valve core coding device includes a seventh conveying structure, a coding structure disposed between the input end and the output end of the seventh conveying structure, and a detection structure corresponding to the output end of the seventh conveying structure. The seventh conveying structure is disposed between the output end of the fifth conveying structure and the detection structure, and is used to pick up and output the valve core from the output end of the fifth conveying structure, and to carry the valve core toward the detection structure, while coding the valve core through the coding structure; the detection structure is used to photograph and detect the bottom of the valve core, thereby detecting whether there is a sealing ring at the bottom of the valve core.

[0015] As a further technical solution of the present invention: the rotary packaging device includes a packaging platform, a loading conveyor structure, a discharging conveyor structure, an input pushing structure, an output pushing structure, and several trays. The packaging platform forms a frame and two sets of conveyor frames arranged relatively parallel to each other on the top of the frame. The loading conveyor structure is provided on one conveyor frame, and the discharging conveyor structure is provided on the other conveyor frame. The conveying directions of the loading conveyor structure and the discharging conveyor structure are opposite. The input pushing structure is located between the input end of the loading conveyor structure and the output end of the discharging conveyor structure. The output pushing structure is located between the output end of the loading conveyor structure and the input end of the discharging conveyor structure. Several trays are placed side by side between the input end and the output end of the loading conveyor structure and between the input end and the output end of the discharging conveyor structure, so that the sixth conveyor structure can grab the valve core from the valve core inkjet printing device and output it to the tray located on the loading conveyor structure.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention proposes a valve core assembly production line that effectively improves the assembly efficiency of valve cores through the cooperation between the moving plate assembly device, the stationary plate assembly device, the main body assembly device, the sealing assembly device, the airtightness detection device, the valve core inkjet printing device, and the rotary packaging device. After the valve core assembly is completed, the airtightness of the assembled valve core can be tested and the output packaging can be performed, making it more convenient to use. Attached Figure Description

[0017] Figure 1 This is an overall diagram of the valve core assembly line.

[0018] Figure 2 An exploded view of the valve cores assembled on the valve core assembly line.

[0019] Figure 3 This is a schematic diagram of the moving piece assembly device.

[0020] Figure 4 This is a schematic diagram of the stationary plate assembly device.

[0021] Figure 5 This is a schematic diagram of the main assembly device.

[0022] Figure 6This is a schematic diagram of a sealing assembly device.

[0023] Figure 7 This is a schematic diagram of a valve core inkjet printing device.

[0024] Figure 8 This is a schematic diagram of a rotary packaging device.

[0025] Figure 9 This is a structural diagram of the input and output push structures of the rotary packaging device. Detailed Implementation

[0026] The specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit the scope of protection of the present invention.

[0027] Please see Figure 1 , Figure 2 A valve core assembly line includes a moving plate assembly device 10, a stationary plate assembly device 20, a main body assembly device 30, a sealing assembly device 40, an airtightness detection device 50, a valve core inkjet printing device 60, and a rotary packaging device 70. The moving plate assembly device 10 assembles the parts of the moving plate assembly of the valve core into a moving plate assembly. A first conveying structure 81 is provided between the moving plate assembly device 10 and the stationary plate assembly device 20 to convey the assembled moving plate assembly to the stationary plate assembly device 20. The stationary plate assembly device 20 assembles the parts of the stationary plate assembly of the valve core into a stationary plate assembly, and the assembled stationary plate assembly receives the moving plate assembly from the first conveying structure 81, assembling the moving plate assembly onto the stationary plate assembly to form a first assembly. A second conveying structure 82 is provided between the stationary plate assembly device 20 and the main body assembly device 30 to convey the first assembly to the main body assembly device 30. The main body assembly device 30 is used to assemble the valve stem assembly 96 and the outer shell 97... The valve core is then assembled onto the first assembly to form the second assembly. A third conveying structure 83 is provided between the main assembly device 30 and the sealing assembly device 40 to convey the second assembly to the sealing assembly device 40. The sealing assembly device 40 is used to assemble the sealing ring to the bottom of the second assembly, completing the assembly of the valve core. A fourth conveying structure 84 is provided between the sealing assembly device 40 and the airtightness detection device 50 to convey the assembled valve core to the airtightness detection device 50. The airtightness detection device 50 performs airtightness detection on the assembled valve core. A fifth conveying structure 85 is provided between the airtightness detection device 50 and the valve core inkjet printing device 60 to convey the valve core to the valve core inkjet printing device 60. The valve core inkjet printing device 60 is used to print the valve core and detect the presence or absence of the sealing ring at its bottom. A sixth conveying structure 86 is provided between the valve core inkjet printing device 60 and the rotary packaging device 70 to convey the valve core onto the rotary packaging device 70.

[0028] Furthermore, in conjunction with reference Figure 1 , Figure 3 The movable piece assembly device 10 includes a movable piece assembly base 11 and a movable piece assembly turntable 12 rotatably mounted on the movable piece assembly base 11. The movable piece assembly turntable 12 has a plurality of first positioning seats 111 spaced apart along its edge. The movable piece assembly base 11 is provided with a movable piece bottom cover loading station 101, a movable piece top cover loading station 102, a first pressing station 103, and a movable piece output station 104 corresponding to each first positioning seat 111 in sequence along the rotation direction of the movable piece assembly turntable 12. The movable piece assembly base 11 has a movable piece bottom cover loading structure 13 on one side corresponding to the movable piece bottom cover loading station 101, for loading the movable piece bottom cover 91 onto the first positioning seat 111 of the movable piece bottom cover loading station 101. The movable piece assembly base 11 has a corresponding structure 13 on the other side corresponding to the first positioning seat 111 of the movable piece bottom cover loading station 101. A moving piece top cover feeding station 102 is provided with a moving piece top cover feeding structure 14, which is used to feed the moving piece top cover 92 onto the first positioning seat 111 of the moving piece top cover feeding station 102, so that the moving piece top cover 92 is assembled onto the moving piece bottom cover 91; the moving piece assembly seat 11 is provided with a first pressing structure 15 corresponding to the first pressing station 103, which is used to press down the moving piece top cover 92 and the moving piece bottom cover 91 assembled together; the input end of the first conveying structure 81 is correspondingly set on the moving piece assembly seat 11, so that as the moving piece assembly turntable 12 rotates, the moving piece bottom cover 91 and the moving piece top cover 92 are assembled into a moving piece assembly in the first positioning seat 111, and then output from the moving piece output station 104 to the stationary piece assembly device 20 through the first conveying structure 81.

[0029] Furthermore, in conjunction with reference Figure 1 , Figure 4The stationary piece assembly device 20 includes a stationary piece assembly base 21 and a stationary piece assembly turntable 22 rotatably mounted on the stationary piece assembly base 21. The stationary piece assembly turntable 22 has a plurality of second positioning seats 211 spaced apart along its edge. Along the rotation direction of the stationary piece assembly turntable 22, the stationary piece assembly base 21 is sequentially provided with a stationary piece bottom cover loading station 201, a first-position sealing ring loading station 202, a second-position sealing ring loading station 203, a third-position sealing ring loading station 204, a stationary piece top cover loading station 205, and a third-position sealing ring loading station 206, corresponding to each second positioning seat 211. An oil injection station 206, a moving piece input station 207, and a first assembly output station 208 are provided. The stationary piece assembly seat 21 has a stationary piece bottom cover feeding structure 23 at its end furthest from the moving piece assembly device 10, corresponding to the stationary piece bottom cover feeding station 201, for feeding the stationary piece bottom cover 93 onto the second positioning seat 211 of the stationary piece bottom cover feeding station 201. The stationary piece assembly seat 21 also has a first-position sealing ring feeding structure corresponding to each of the first-position sealing ring feeding station 202, the second-position sealing ring feeding station 203, and the third-position sealing ring feeding station 204. Structure 24 is used to sequentially install a first-position sealing ring 94 onto the stationary plate bottom cover 93 inside the second positioning seat 211 at the first-position sealing ring loading station 202, the second-position sealing ring loading station 203, and the third-position sealing ring loading station 204; the stationary plate assembly seat 21 has a stationary plate top cover loading structure 25 on its side away from the main assembly device 30, corresponding to the stationary plate top cover loading station 205, for loading the stationary plate top cover 95 onto the second positioning seat 211 of the stationary plate top cover loading station 205, assembling it to form a stationary plate assembly; the stationary plate assembly seat 21 is located at... A first oiling structure 26 is provided on the first oiling station 206 for oiling the stationary plate assembly; the output end of the first conveying structure 81 is correspondingly set on the stationary plate assembly seat 21 to the moving plate input station 207, for conveying the moving plate assembly to the second positioning seat 211 of the moving plate input station 207, and assembling the moving plate assembly onto the stationary plate assembly to form the first assembly; the input end of the second conveying structure 82 is correspondingly set on the stationary plate assembly seat 21 to the first assembly output station 208, for outputting the first assembly to the main assembly device 30.

[0030] Furthermore, in conjunction with reference Figure 1 , Figure 5The main assembly device 30 includes a main assembly base 31 and a main assembly turntable 32 rotatably mounted on the main assembly base 31. The main assembly turntable 32 has a plurality of third positioning seats 311 spaced apart along its edge. Along the rotation direction of the main assembly turntable 32, the main assembly base 31 is sequentially provided with a first assembly input station 301, a moving plate torsion station 302, a second pressing station 303, a valve stem assembly loading station 304, a second oil injection station 305, a housing loading station 306, and a third positioning station 306, corresponding to each third positioning seat 311. The pressing station 307 and the second assembly output station 308 are provided. The output end of the second conveying structure 82 is correspondingly disposed on the main assembly base 31 at the first assembly input station 301, so as to output the first assembly to the third positioning seat 311 of the first assembly input station 301. The main assembly base 31 is provided with a moving piece torsion structure 33 corresponding to the moving piece torsion station 302, so as to torsion the moving piece component of the first assembly to a preset angle. The main assembly base 31 is provided with a second pressing structure 34 corresponding to the second pressing station 303. The main assembly base 31 is provided with a valve stem assembly loading structure 35 at one end, corresponding to the valve stem assembly loading station 304, for loading the valve stem assembly 96 onto the third positioning seat 311 of the valve stem assembly loading station 304 and assembling it onto the first assembly; the main assembly base 31 is provided with a second oiling structure 36 corresponding to the second oiling station 305, for oiling the first assembly containing the valve stem assembly 96; the main assembly base 31 is provided with a... The outer shell loading structure 37, corresponding to the outer shell loading station 306, is used to load the outer shell 97 onto the third positioning seat 311 of the outer shell loading station 306 to assemble it into a second assembly. The main body assembly seat 31 is provided with a third pressing structure 38 on it corresponding to the third pressing station 307, which is used to press down and reinforce the second assembly. The input end of the third conveying structure 83 is correspondingly set on the main body assembly seat 31 to the second assembly output station 308, and is used to output the second assembly from the third positioning seat 311 of the second assembly output station 308.

[0031] Furthermore, in conjunction with reference Figure 1 , Figure 6The sealing assembly device 40 includes a sealing assembly base 41 and a sealing assembly turntable 42 rotatably mounted on the sealing assembly base 41. The sealing assembly turntable 42 has a plurality of fourth positioning seats 411 spaced apart along its edge. Along the rotation direction of the sealing assembly turntable 42, the sealing assembly base 41 is sequentially provided with a second assembly input station 401, an integrated sealing ring assembly station 402, a fourth pressing station 403, and a valve core output station 404, corresponding to each fourth positioning seat 411. The output end of the third conveying structure 83 is correspondingly mounted on the sealing assembly base 41 at the second assembly input station 401, for inputting the second assembly backwards into the second assembly input station 404. The fourth positioning seat 411 of the assembly input station 401 is provided with an integrated sealing ring assembly structure 43 corresponding to the integrated sealing ring assembly station 402 on the side of the sealing assembly seat 41 facing the main assembly device 30, so as to assemble the integrated sealing ring 98 to the bottom of the second assembly and complete the assembly of the valve core; the sealing assembly seat 41 is provided with a fourth pressing structure 44 corresponding to the fourth pressing station 403, so as to press down and reinforce the integrated sealing ring 98 at the bottom of the valve core; the input end of the fourth conveying structure 84 is correspondingly set on the sealing assembly seat 41 to the valve core output station 404, so as to input the valve core forward to the airtightness detection device 50.

[0032] Furthermore, the airtightness detection device 50 is equipped with a defective product collection device 51 at its output end, which is used to pick out and collect the detected defective products.

[0033] For further details, please refer to [link / reference]. Figure 7 The valve core coding device 60 includes a seventh conveying structure 61, a coding structure 62 disposed between the input and output ends of the seventh conveying structure 61, and a detection structure 63 corresponding to the output end of the seventh conveying structure 61. The seventh conveying structure 61 is disposed between the output end of the fifth conveying structure 85 and the detection structure 63, and is used to pick up and output the valve core from the output end of the fifth conveying structure 85 and drive the valve core toward the detection structure 63, while coding the valve core through the coding structure 62. The detection structure 63 is used to photograph and detect the bottom of the valve core, thereby detecting whether there is a sealing ring at the bottom of the valve core.

[0034] For further details, please refer to [link / reference]. Figure 8 , Figure 9The rotary packaging device 70 includes a packaging platform 71, a loading conveyor structure 72, a discharging conveyor structure 73, an input pushing structure 74, an output pushing structure 75, and several trays 76. The packaging platform 71 forms a frame 711 and two sets of conveyor frames 712 arranged relatively parallel to each other on the top of the frame 711. The loading conveyor structure 72 is mounted on one conveyor frame 712, and the discharging conveyor structure 73 is mounted on the other conveyor frame 712. The conveying directions of the loading conveyor structure 72 and the discharging conveyor structure 73 are opposite. The input push structure 74 is disposed between the input end of the loading conveying structure 72 and the output end of the discharging conveying structure 73, and the output push structure 75 is disposed between the output end of the loading conveying structure 72 and the input end of the discharging conveying structure 73. Several trays 76 are placed side by side between the input end and the output end of the loading conveying structure 72 and between the input end and the output end of the discharging conveying structure 73, so that the sixth conveying structure 86 can pick up the valve core from the valve core inkjet printer 60 and output it to the tray 76 located on the loading conveying structure 72.

[0035] Understandably, the valve core assembly method of the valve core assembly production line of the present invention includes the following steps: First, corresponding parts are prepared in the moving plate bottom cover feeding structure 13, moving plate top cover feeding structure 14, stationary plate bottom cover feeding structure 23, stop sealing ring feeding structure 24, stationary plate top cover feeding structure 25, valve stem assembly feeding structure 35, outer shell feeding structure 37 and integrated sealing ring assembly structure 43 respectively, wherein the moving plate bottom cover 91 and valve stem assembly 96 need to have their parts pre-assembled; Second, the moving plate assembly device 10, stationary plate assembly device 20, main body assembly device 30, sealing assembly device 40, airtightness detection device 50, valve core inkjet printing device 60 and rotary packaging device 70 are started simultaneously. The moving plate assembly device 10 assembles the parts of the moving plate assembly of the valve core into a moving plate assembly; the first conveying structure 81 conveys the assembled moving plate assembly to the stationary plate assembly device 20; the stationary plate assembly device 20 assembles the parts of the stationary plate assembly of the valve core into a moving plate assembly. The valve core is assembled into a stationary assembly, which receives the moving assembly from the first conveying structure 81 and is then assembled onto the stationary assembly to form a first assembly. A second conveying structure 82 conveys the first assembly to a main assembly device 30. The main assembly device 30 then sequentially assembles the valve stem assembly 96 and the outer shell 97 onto the first assembly to form a second assembly. A third conveying structure 83 conveys the second assembly to a sealing assembly device 40. The sealing assembly device 40 assembles the sealing ring to the bottom of the second assembly, completing the valve core assembly. A fourth conveying structure 84 conveys the assembled valve core to an airtightness testing device 50. The airtightness testing device 50 performs an airtightness test on the assembled valve core. A fifth conveying structure 85 conveys the valve core to a valve core coding device 60. The valve core coding device 60 detects the coding on the valve core and the presence or absence of the sealing ring at its bottom. A sixth conveying structure 86 conveys the valve core to a rotary packaging device 70. Thus, the valve core assembly is completed, and the assembled valve core is then subjected to airtightness testing and packaged.

[0036] In summary, the valve core assembly line of the present invention effectively improves the assembly efficiency of valve cores through the cooperation of the moving plate assembly device 10, the stationary plate assembly device 20, the main body assembly device 30, the sealing assembly device 40, the airtightness detection device 50, the valve core inkjet printing device 60, and the rotary packaging device 70. Furthermore, after the valve cores are assembled, the airtightness of the assembled valve cores can be tested and the finished valve cores can be packaged, making the line more convenient to use.

[0037] Any combination of various embodiments of the present invention, provided it does not violate the inventive concept of the present invention, shall be regarded as the content disclosed by the present invention; within the scope of the technical concept of the present invention, any simple modifications to the technical solution and any combination of different embodiments that do not violate the inventive concept of the present invention shall be within the protection scope of the present invention.

Claims

1. A valve core assembly production line, characterized in that: The device includes a moving plate assembly device (10), a stationary plate assembly device (20), a main body assembly device (30), a sealing assembly device (40), an airtightness detection device (50), a valve core inkjet printing device (60), and a rotary packaging device (70). The moving plate assembly device (10) is used to assemble the parts of the moving plate assembly of the valve core into a moving plate assembly. A first conveying structure (81) is provided between the moving plate assembly device (10) and the stationary plate assembly device (20) to convey the assembled moving plate assembly to the stationary plate assembly device (20). The stationary plate assembly device (20) is used to assemble the various parts of the stationary plate assembly of the valve core into a stationary plate assembly. The assembled stationary plate assembly receives the moving plate assembly from the first conveying structure (81) and assembles the moving plate assembly onto the stationary plate assembly to form a first assembly. A second conveying structure (82) is provided between the stationary plate assembly device (20) and the main assembly device (30) to convey the first assembly to the main assembly device (30). The main assembly device (30) is used to assemble the valve stem assembly (96) and the outer shell (97). The valve core is assembled sequentially onto the first assembly to form the second assembly. A third conveying structure (83) is provided between the main assembly device (30) and the sealing assembly device (40) to convey the second assembly to the sealing assembly device (40). The sealing assembly device (40) is used to assemble the integrated sealing ring (98) to the bottom of the second assembly to complete the assembly of the valve core. A fourth conveying structure (84) is provided between the sealing assembly device (40) and the airtightness detection device (50) to convey the assembled valve core. The valve core is conveyed to the airtightness testing device (50); the airtightness testing device (50) performs airtightness testing on the assembled valve core; a fifth conveying structure (85) is provided between the airtightness testing device (50) and the valve core coding device (60) to convey the valve core to the valve core coding device (60); the valve core coding device (60) is used to code the valve core; a sixth conveying structure (86) is provided between the valve core coding device (60) and the rotary packaging device (70) to convey the valve core onto the rotary packaging device (70); The moving piece assembly device (10) includes a moving piece assembly base (11) and a moving piece assembly turntable (12) rotatably disposed on the moving piece assembly base (11). The moving piece assembly turntable (12) is provided with a plurality of first positioning seats (111) spaced apart along its edge. The moving piece assembly base (11) is provided with a moving piece bottom cover loading station (101), a moving piece top cover loading station (102), a first pressing station (103), and a moving piece output station (104) corresponding to each first positioning seat (111) in sequence along the rotation direction of the moving piece assembly turntable (12). The stationary plate assembly device (20) includes a stationary plate assembly seat (21) and a stationary plate assembly turntable (22) rotatably mounted on the stationary plate assembly seat (21). The stationary plate assembly turntable (22) is provided with a plurality of second positioning seats (211) spaced apart along its edge. The stationary plate assembly seat (21) is provided with a stationary plate bottom cover loading station (201), a first gear sealing ring loading station (202), a second gear sealing ring loading station (203), a third gear sealing ring loading station (204), a stationary plate top cover loading station (205), a first oil injection station (206), a moving plate input station (207), and a first assembly output station (208) in sequence along the rotation direction of the stationary plate assembly turntable (22). The main assembly device (30) includes a main assembly base (31) and a main assembly turntable (32) rotatably mounted on the main assembly base (31). The main assembly turntable (32) has a plurality of third positioning seats (311) spaced apart along its edge. The main assembly base (31) is provided with a first assembly input station (301), a moving plate torsion station (302), a second pressing station (303), a valve stem assembly loading station (304), a second oil injection station (305), a shell loading station (306), a third pressing station (307), and a second assembly output station (308) corresponding to each third positioning seat (311) in sequence along the rotation direction of the main assembly turntable (32). The sealing assembly device (40) includes a sealing assembly base (41) and a sealing assembly turntable (42) rotatably mounted on the sealing assembly base (41). The sealing assembly turntable (42) has a plurality of fourth positioning seats (411) spaced apart along its edge. The sealing assembly base (41) is provided with a second assembly input station (401), an integral sealing ring assembly station (402), a fourth pressing station (403), and a valve core output station (404) corresponding to each fourth positioning seat (411) in sequence along the rotation direction of the sealing assembly turntable (42). The output end of the third conveying structure (83) is correspondingly mounted on the sealing assembly base (41) at the second assembly input station (401) to input the second assembly invertedly to the first assembly input station (404). The fourth positioning seat (411) of the second assembly input station (401) is provided with an integrated sealing ring assembly structure (43) corresponding to the integrated sealing ring assembly station (402) on the side of the sealing assembly seat (41) facing the main assembly device (30), so as to assemble the integrated sealing ring (98) to the bottom of the second assembly and complete the assembly of the valve core; the sealing assembly seat (41) is provided with a fourth pressing structure (44) corresponding to the fourth pressing station (403) on it, so as to press down and reinforce the integrated sealing ring (98) at the bottom of the valve core; the input end of the fourth conveying structure (84) is correspondingly set on the sealing assembly seat (41) to the valve core output station (404), so as to input the valve core forward to the airtightness detection device (50).

2. The valve core assembly line according to claim 1, characterized in that: The movable piece assembly base (11) has a movable piece bottom cover feeding structure (13) on one side corresponding to the movable piece bottom cover feeding station (101) for feeding the movable piece bottom cover (91) onto the first positioning seat (111) of the movable piece bottom cover feeding station (101); the movable piece assembly base (11) has a movable piece top cover feeding structure (14) on the other side corresponding to the movable piece top cover feeding station (102) for feeding the movable piece top cover (92) onto the movable piece top cover. On the first positioning seat (111) of the loading station (102), the upper cover (92) of the moving piece is assembled onto the lower cover (91) of the moving piece; the moving piece assembly seat (11) is provided with a pressing structure (15) corresponding to the first pressing station (103) to press down the upper cover (92) and the lower cover (91) of the moving piece assembled together; the input end of the first conveying structure (81) is correspondingly set on the moving piece assembly seat (11) of the moving piece output station (104).

3. The valve core assembly line according to claim 1, characterized in that: The stationary plate assembly seat (21) has a stationary plate bottom cover feeding structure (23) corresponding to the stationary plate bottom cover feeding station (201) at one end away from the moving plate assembly device (10), for feeding the stationary plate bottom cover (93) onto the second positioning seat (211) of the stationary plate bottom cover feeding station (201); the stationary plate assembly seat (21) has corresponding first position sealing ring feeding station (202), second position sealing ring feeding station (203) and... The third-position sealing ring feeding station (204) is equipped with a first-position sealing ring feeding structure (24) for sequentially loading a first-position sealing ring (94) onto the stationary plate bottom cover (93) inside the second positioning seat (211) from the first-position sealing ring feeding station (202), the second-position sealing ring feeding station (203), and the third-position sealing ring feeding station (204); the stationary plate assembly seat (21) is located away from the main assembly device (30) The side-facing station (205) corresponding to the stationary plate cover loading station is provided with a stationary plate cover loading structure (25) for loading the stationary plate cover (95) onto the second positioning seat (211) of the stationary plate cover loading station (205) to assemble it into a stationary plate assembly; the stationary plate assembly seat (21) is provided with a first oiling structure (26) corresponding to the first oiling station (206) for oiling the stationary plate assembly; the output end of the first conveying structure (81) is correspondingly set on the stationary plate assembly seat (21) to the moving plate input station (207) for conveying the moving plate assembly to the second positioning seat (211) of the moving plate input station (207) to assemble the moving plate assembly onto the stationary plate assembly to form a first assembly; the input end of the second conveying structure (82) is correspondingly set on the stationary plate assembly seat (21) to the first assembly output station (208) for outputting the first assembly to the main assembly device (30).

4. The valve core assembly line according to claim 1, characterized in that: The output end of the second conveying structure (82) is correspondingly set on the main assembly seat (31) of the first assembly input station (301) to output the first assembly to the third positioning seat (311) of the first assembly input station (301); the main assembly seat (31) is provided with a moving plate torsion structure (33) corresponding to the moving plate torsion station (302) to torsion the moving plate assembly of the first assembly to a preset angle; the main assembly seat (31) is provided with a second pressing structure (34) corresponding to the second pressing station (303) to press down the torsioned first assembly; the main assembly seat (31) is provided with a valve stem assembly loading structure (35) corresponding to the valve stem assembly loading station (304) at one end to load the valve stem assembly (96) onto the third positioning seat (311) of the valve stem assembly loading station (304) and assemble it onto the first assembly; the main The main assembly base (31) is provided with a second oiling structure (36) corresponding to the second oiling station (305) for oiling the first assembly containing the valve stem assembly (96); the main assembly base (31) is provided with a shell loading structure (37) corresponding to the shell loading station (306) on the side away from the stationary plate assembly device (20) for loading the shell (97) onto the third positioning seat (311) of the shell loading station (306) to assemble the second assembly; the main assembly base (31) is provided with a third pressing structure (38) corresponding to the third pressing station (307) for pressing down and reinforcing the second assembly; the input end of the third conveying structure (83) is provided on the main assembly base (31) corresponding to the second assembly output station (308) for outputting the second assembly from the third positioning seat (311) of the second assembly output station (308).

5. The valve core assembly line according to claim 1, characterized in that: The valve core coding device (60) includes a seventh conveying structure (61), a coding structure (62) disposed between the input and output ends of the seventh conveying structure (61), and a detection structure (63) disposed corresponding to the output end of the seventh conveying structure (61). The seventh conveying structure (61) is disposed between the output end of the fifth conveying structure (85) and the detection structure (63) to pick up the valve core from the output end of the fifth conveying structure (85) and drive the valve core toward the detection structure (63) while coding the valve core through the coding structure (62). The detection structure (63) is used to take pictures of the bottom of the valve core to detect whether there is a sealing ring at the bottom of the valve core.

6. The valve core assembly line according to claim 1, characterized in that: The rotary packaging device (70) includes a packaging platform (71), a loading conveyor structure (72), a discharging conveyor structure (73), an input pushing structure (74), an output pushing structure (75), and several trays (76). The packaging platform (71) forms a frame (711) and two sets of conveyor frames (712) arranged relatively parallel to each other on the top of the frame (711). The loading conveyor structure (72) is provided on one conveyor frame (712), and the discharging conveyor structure (73) is provided on the other conveyor frame (712). The conveying directions of the loading conveyor structure (72) and the discharging conveyor structure (73) are... Conversely, the input push structure (74) is located between the input end of the loading conveyor structure (72) and the output end of the discharging conveyor structure (73), and the output push structure (75) is located between the output end of the loading conveyor structure (72) and the input end of the discharging conveyor structure (73). Several trays (76) are placed side by side between the input end and the output end of the loading conveyor structure (72) and between the input end and the output end of the discharging conveyor structure (73), so that the sixth conveying structure (86) can grab the valve core from the valve core inkjet printer (60) and output it to the tray (76) located on the loading conveyor structure (72).

Citation Information

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