A valve core sealing ring assembly process and equipment

Abstract

The present application relates to the technical field of valve core production, in particular to a valve core sealing ring assembly process and equipment, the valve core sealing ring assembly process adopts a sealing ring assembly equipment, the sealing ring assembly equipment comprises an assembly table, a rotating table, an assembly die and three automatic feeding vibration discs, the rotating table is rotatably installed on the top of the assembly table, a plurality of assembly dies are equidistantly arranged on the top of the rotating table, and the three vibration discs are sequentially arranged on the left side, the back side and the right side of the assembly table. The valve core sealing ring assembly process and equipment integrate the valve body feeding, valve core feeding and alignment, sealing ring precise sleeving, pressing, finished product discharging whole process stations, the rotating table drives the assembly die to circulate, each process is synchronously operated in parallel, the purpose of automatically assembling the sealing ring of the valve core is achieved, the production line operator configuration is reduced, and the labor cost is significantly reduced.

Description

Technical Field

[0001] This invention relates to the field of valve core manufacturing technology, specifically to a valve core sealing ring assembly process and equipment. Background Technology

[0002] The valve core is the core sealing component of plumbing valves and fluid control devices. The assembly quality of the valve core and the sealing ring directly determines the valve's sealing performance, service life, and risk of leakage.

[0003] Traditional processing methods rely on workers manually handling valve bodies, valve cores, and sealing rings, manually fitting the sealing rings onto the valve cores and pressing them into place. Assembling a single product is time-consuming, requiring multiple operators on a single production line, resulting in high labor costs. Therefore, a valve core and sealing ring assembly process and equipment have been proposed to solve these problems. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a valve core sealing ring assembly process and equipment, which has advantages such as automatic assembly and solves the problem of high labor costs caused by the need for multiple operators on a production line.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a valve core sealing ring assembly process, wherein the valve core sealing ring assembly process employs a sealing ring assembly equipment, the sealing ring assembly equipment comprising an assembly table, a rotating table, an assembly mold, and three automatic feeding vibratory feeders, the rotating table being rotatably mounted on the top of the assembly table, and a plurality of assembly molds being equidistantly arranged on the top of the rotating table, the three vibratory feeders being sequentially distributed on the left, rear, and right sides of the assembly table, and a valve body feeding mechanism, a valve core feeding mechanism, a sealing ring feeding mechanism, a pressing mechanism, and a discharging mechanism being sequentially arranged on the top of the assembly table and extending clockwise from the rotating table; The valve core sealing ring assembly process includes the following steps: S1. The valve body, valve core, and sealing ring are respectively placed into three automatic feeding vibratory feeders. The left automatic feeding vibratory feeder transports the valve body to the valve body loading mechanism, which then places the valve body onto the assembly mold. S2. As the rotating table rotates, the valve body on the assembly mold is moved to the valve core assembly position. The rear automatic feeding vibratory plate transports the valve core to the valve core feeding mechanism, which then puts the valve core into the valve body. S3. As the rotating table rotates, the valve body and valve core on the assembly mold are moved to the sealing ring assembly position, and the sealing ring feeding operation is completed by the sealing ring feeding mechanism and the automatic feeding vibratory plate on the right. S4. As the rotating table rotates, the valve body with the assembled sealing ring passes through the pressing mechanism and the unloading mechanism in sequence, completing the pressing, assembly and unloading of the sealing ring.

[0006] Preferably, the valve body feeding mechanism includes a base plate, a vertical plate, a feeding bin, a cylinder, a mounting plate, a push rod, a fixing plate, a baffle, a placement plate, a proximity switch, and a cylinder. The base plate is fixedly installed on the top left end of the assembly table. The vertical plates are fixedly installed on the front and rear sides of the top of the base plate. The feeding bin is fixedly installed on the left side of the two vertical plates. The cylinder is fixedly installed on the top of the vertical plates. The mounting plate is fixedly installed on the output end of the cylinder. The push rod is fixedly installed on the front and rear ends of the right side of the mounting plate. The fixing plate is fixedly installed at the center of the opposite side of the two vertical plates. The baffle is fixedly installed on the top right end of the fixing plate. The cylinder is embedded in the top center of the fixing plate. The placement plate is fixedly installed on the output end of the cylinder. The placement plate has a placement groove on its top. The proximity switch is fixedly installed on the top of the vertical plate and above the placement plate.

[0007] Preferably, the valve core feeding mechanism includes a second base plate, a mounting frame, a second feeding bin, a placement frame, a flipping assembly, and two clamping and moving assemblies. The second base plate is fixedly installed on the top rear side of the assembly table. The mounting frame is fixedly installed on the top rear side of the second base plate. The second feeding bin is fixedly installed on the top of the mounting frame. The placement frame is located on the top of the second base plate and in front of the second feeding bin. The top of the placement frame has a pick-and-place slot. The flipping assembly is located on the top front side of the second base plate. The clamping and moving assemblies are located above both the flipping assembly and the placement frame.

[0008] Preferably, the flipping assembly includes a second vertical plate, a rotating shaft, a first pneumatic gripper, and a third cylinder. Two second vertical plates are fixedly installed on the top front side of the second base plate. A rotating shaft is rotatably installed on the top of the two second vertical plates on opposite sides. A first pneumatic gripper is provided on the rotating shaft. A third cylinder is hinged to the top of the second base plate and on the opposite side of the second vertical plates. A round shaft with one end penetrating the second vertical plate and fixedly connected to the rotating shaft is fixedly installed at the output end of the third cylinder.

[0009] Preferably, the clamping and moving assembly includes a base plate three, a sliding plate, a cylinder four, a pneumatic gripper two, and a cylinder five. The base plate three is fixedly installed above both the flipping assembly and the placement frame. The sliding plate is slidably installed on the top of the base plate three via a slide rail. The cylinder four is embedded in the center of the top of the sliding plate. The pneumatic gripper two is fixedly installed at the output end of the cylinder four. The cylinder five is provided on the top of the base plate three, with its output end fixedly connected to the sliding plate.

[0010] Preferably, the sealing ring feeding mechanism includes a base plate four, a fixing frame, a feeding bin three, a pushing component, a guiding component, and a vertical plate three. The base plate four is fixedly installed on the top right side of the assembly table, the fixing frame is fixedly installed on the top right side of the base plate four, the feeding bin three is fixedly installed on the top of the fixing frame, the pushing component is arranged above the feeding bin three, two vertical plates three are fixedly installed on the top left side of the assembly table, and the guiding component is arranged above the vertical plates three.

[0011] Preferably, the pushing component includes a column, a side plate, a cylinder, a movable plate, and a push rod. The top of the assembly table and both the front and rear sides of the fixed frame are fixedly installed with columns. The right top of the column is fixedly installed with a side plate. A cylinder is embedded in the side plate. A movable plate is fixedly installed at the output end of the cylinder. A push rod is fixedly installed on the movable plate.

[0012] Preferably, the guide assembly includes a top plate, a movable plate, a cylinder seven, an L-shaped plate, a sealing ring hole, and a negative pressure suction nozzle. The top plate is fixedly installed on the top of the column, and the top plate is fixedly connected to the vertical plate three. The top of the top plate is fixedly connected to the vertical plate three. The movable plate is movably installed on the top of the vertical plate three via a slide rail. The cylinder seven is embedded in the movable plate. The output end of the cylinder seven is fixedly installed with an L-shaped plate. A sealing ring hole is opened on the right side of the L-shaped plate, and a negative pressure suction nozzle communicating with the sealing ring hole is opened on the L-shaped plate.

[0013] Preferably, the pressing mechanism includes a frame, a cylinder, a telescopic plate, a pressing head, and a limiting rod. The frame is fixedly installed on the top of the assembly table. The cylinder is embedded in the frame. The output end of the cylinder is fixedly installed with a telescopic plate. The pressing head is provided on the telescopic plate. A limiting rod with one end penetrating the telescopic plate is fixedly installed on both the front and rear sides of the telescopic plate.

[0014] Preferably, the unloading mechanism includes a stand, a cylinder frame, a cylinder nine, an ejector block, a proximity switch two, and an unloading groove. The stand is fixedly installed on the top of the assembly table, the cylinder frame is fixedly installed on the front side of the stand, the cylinder nine is embedded in the cylinder frame, the ejector block is fixedly installed at the output end of the cylinder nine, the proximity switch two is fixedly installed on the top of the stand, the unloading groove is fixedly installed inside the stand, and a through hole is opened on the assembly mold, the through hole matching the ejector block.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects: This valve core sealing ring assembly process and equipment integrates the entire process of valve body feeding, valve core feeding and alignment, precise sealing ring fitting, pressing, and finished product unloading. The rotating table drives the assembly mold to circulate, and each process operates synchronously and in parallel, achieving the goal of automatic valve core sealing ring assembly, reducing the number of production line operators and significantly reducing labor costs. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the pressing mechanism of the present invention; Figure 3 This is a schematic diagram of the sealing ring feeding mechanism of the present invention; Figure 4 For the present invention Figure 3 Enlarged view of point A in the middle; Figure 5 This is a schematic diagram of the guiding component structure of the present invention; Figure 6 This is a schematic diagram of the valve core feeding mechanism of the present invention; Figure 7 This is a schematic diagram of the assembly mold structure of the present invention; Figure 8 This is a left view of the assembly mold of the present invention; Figure 9 This is a schematic diagram of the feeding mechanism of the present invention; Figure 10 This is a schematic diagram of the valve body feeding mechanism of the present invention.

[0017] In the diagram: 1. Assembly table; 2. Rotary table; 3. Automatic feeding vibratory feeder; 4. Valve body feeding mechanism; 401. Base plate 1; 402. Vertical plate 1; 403. Feed bin 1; 404. Cylinder 1; 405. Mounting plate; 406. Push rod; 407. Fixing plate; 408. Baffle; 409. Placement plate; 410. Proximity switch 1; 411. Cylinder 2; 5. Valve core feeding mechanism; 51. Base plate 2; 52. Mounting frame; 53. Feed bin 2; 54. Placement frame; 55. Tilting assembly; 551. Vertical plate 2; 552. Rotating shaft; 553. Pneumatic gripper 1; 554. Cylinder 3; 56. Clamping and moving assembly; 561. Base plate 3; 562. Sliding plate; 563. Cylinder 4; 564. Pneumatic gripper 2; 565. 6. Cylinder 5; 6. Sealing ring feeding mechanism; 61. Base plate 4; 62. Fixing frame; 63. Feeding bin 3; 64. Pushing assembly; 641. Column; 642. Side plate; 643. Cylinder 6; 644. Movable plate; 645. Push rod; 65. Guide assembly; 651. Top plate; 652. Moving plate; 653. Cylinder 7; 654. L-shaped plate; 655. Sealing ring hole; 656. Negative pressure suction nozzle; 66. Vertical plate 3; 7. Unloading mechanism; 701. Frame; 702. Cylinder frame; 703. Cylinder 9; 704. Push-out block; 705. Proximity switch 2; 706. Unloading groove; 8. Pressing mechanism; 801. Frame; 802. Cylinder 8; 803. Telescopic plate; 804. Pressing head; 805. Limiting rod; 9. Assembly mold. Detailed Implementation

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figure 1-10 This embodiment describes a valve core sealing ring assembly process. The valve core sealing ring assembly process uses a sealing ring assembly equipment, which includes an assembly table 1, a rotating table 2, an assembly mold 9, and three automatic feeding vibratory feeders 3. The rotating table 2 is rotatably mounted on the top of the assembly table 1. Multiple assembly molds 9 are evenly spaced on the top of the rotating table 2. The three vibratory feeders 3 are distributed sequentially on the left, rear, and right sides of the assembly table 1. A valve body feeding mechanism 4, a valve core feeding mechanism 5, a sealing ring feeding mechanism 6, a pressing mechanism 8, and a discharging mechanism 7 are sequentially arranged on the top of the assembly table 1 and extending clockwise to the rotating table 2. The valve core sealing ring assembly process includes the following steps: S1. The valve body, valve core, and sealing ring are respectively placed into three automatic feeding vibratory feeders 3. The left automatic feeding vibratory feeder 3 transports the valve body to the valve body feeding mechanism 4, and the valve body feeding mechanism 4 places the valve body onto the assembly mold 9. S2. As the rotating table 2 rotates, the valve body on the assembly mold 9 is moved to the valve core assembly position. The rear automatic feeding vibratory plate 3 transports the valve core to the valve core feeding mechanism 5, and the valve core feeding mechanism 5 puts the valve core into the valve body. S3. As the rotating table 2 rotates, it moves the valve body and valve core on the assembly mold 9 to the sealing ring assembly position, and the sealing ring feeding mechanism 6 and the right automatic feeding vibrating plate 3 complete the sealing ring feeding operation. S4. As the rotating table 2 rotates, the valve body with the assembled sealing ring passes through the pressing mechanism 8 and the unloading mechanism 7 in sequence, completing the pressing, assembly and unloading of the sealing ring.

[0020] In this embodiment, the valve body feeding mechanism 4 includes a base plate 401, a vertical plate 402, a feeding bin 403, a cylinder 404, a mounting plate 405, a push rod 406, a fixing plate 407, a baffle 408, a placement plate 409, a proximity switch 410, and a cylinder 411. The base plate 401 is fixedly installed on the top left end of the assembly table 1. The vertical plates 402 are fixedly installed on both the front and rear sides of the top of the base plate 401. The feeding bin 403 is fixedly installed on the left side of the two vertical plates 402. The cylinder 404 is fixedly installed on the top of the vertical plates 402. A mounting plate 405 is fixedly installed at the output end of 404. Push rods 406 are fixedly installed at both the front and rear ends of the right side of the mounting plate 405. A fixing plate 407 is fixedly installed at the center of the opposite side of the two vertical plates 402. A baffle 408 is fixedly installed at the top right end of the fixing plate 407. A cylinder 411 is embedded in the top center of the fixing plate 407. A placement plate 409 is fixedly installed at the output end of the cylinder 411. A placement groove is opened on the top of the placement plate 409. A proximity switch 410 is fixedly installed on the top of the vertical plate 402 and above the placement plate 409.

[0021] Specifically, the feeding hopper 403 can guide the valve body conveyed from the automatic feeding vibratory feeder forward to the placement plate 409. The operating cylinder 411 moves the valve body upward. The proximity switch 410 senses that the valve body has moved to the target height. The operating cylinder 404, along with the mounting plate 405 and the push rod 406, pushes the valve body onto the assembly mold 9.

[0022] In this embodiment, the valve core feeding mechanism 5 includes a second base plate 51, a mounting frame 52, a second feeding bin 53, a placement frame 54, a flipping component 55, and two clamping and moving components 56. The second base plate 51 is fixedly installed on the top rear side of the assembly table 1. The mounting frame 52 is fixedly installed on the top rear side of the second base plate 51. The second feeding bin 53 is fixedly installed on the top of the mounting frame 52. The placement frame 54 is provided on the top of the second base plate 51 and in front of the second feeding bin 53. The top of the placement frame 54 has a pick-and-place slot. The flipping component 55 is provided on the top front side of the second base plate 51. The clamping and moving components 56 are provided above both the flipping component 55 and the placement frame 54.

[0023] Specifically, the second feeding bin 53 can guide the valve core conveyed from the automatic feeding vibratory plate forward to the placement rack 54, and place the valve core into the valve body with the help of the flipping component 55 and the clamping and moving component 56.

[0024] In this embodiment, the flipping assembly 55 includes a second vertical plate 551, a rotating shaft 552, a first pneumatic gripper 553, and a third cylinder 554. Two second vertical plates 551 are fixedly installed on the top front side of the second base plate 51. The rotating shaft 552 is rotatably installed on the top of the two second vertical plates 551 on opposite sides. The first pneumatic gripper 553 is provided on the rotating shaft 552. The third cylinder 554 is hinged to the top of the second base plate 51 and on the side opposite to the second vertical plates 551. A round shaft with one end passing through the second vertical plate 551 and fixedly connected to the rotating shaft 552 is fixedly installed at the output end of the third cylinder 554.

[0025] Specifically, the pneumatic gripper 553 can hold the valve core, and the pneumatic cylinders 554 on both sides can drive the pneumatic gripper 553 to rotate.

[0026] In this embodiment, the clamping and moving assembly 56 includes a base plate 3 561, a sliding plate 562, a cylinder 4 563, a pneumatic gripper 2 564, and a cylinder 565. The base plate 3 561 is fixedly installed above both the flipping assembly 55 and the placement rack 54. The sliding plate 562 is slidably installed on the top of the base plate 3 561 via a slide rail. The cylinder 4 563 is embedded in the center of the top of the sliding plate 562. The pneumatic gripper 2 564 is fixedly installed at the output end of the cylinder 4 563. The cylinder 565, whose output end is fixedly connected to the sliding plate 562, is provided on the top of the base plate 3 561.

[0027] Specifically, the operating cylinder 4 563 moves the pneumatic gripper 2 564 to a different position. The pneumatic gripper 2 564 can hold the valve core, and the cylinder 5 565 can drive the pneumatic gripper 2 564 to move horizontally.

[0028] In this embodiment, the sealing ring feeding mechanism 6 includes a base plate 61, a fixing frame 62, a feeding bin 63, a pushing component 64, a guiding component 65, and a vertical plate 66. The base plate 61 is fixedly installed on the top right side of the assembly table 1. The fixing frame 62 is fixedly installed on the top right side of the base plate 61. The feeding bin 63 is fixedly installed on the top of the fixing frame 62. The pushing component 64 is arranged above the feeding bin 63. Two vertical plates 66 are fixedly installed on the top left side of the assembly table 1. The guiding component 65 is arranged above the vertical plate 66.

[0029] Specifically, the feeding hopper 63 can guide the sealing ring conveyed from the automatic feeding vibratory feeder forward to the guide component 65, and the pushing component 64 will send the sealing ring into the valve core.

[0030] In this embodiment, the pushing component 64 includes a column 641, a side plate 642, a cylinder 643, a movable plate 644, and a push rod 645. The column 641 is fixedly installed on the top of the assembly table 1 and on both the front and rear sides of the fixed frame 62. The side plate 642 is fixedly installed on the top right side of the column 641. The cylinder 643 is embedded in the side plate 642. The movable plate 644 is fixedly installed on the output end of the cylinder 643. The push rod 645 is fixedly installed on the movable plate 644.

[0031] Specifically, operating cylinder 643 can push the sealing ring to the designated position on the valve core along with the movable plate 644 and push rod 645.

[0032] In this embodiment, the guide assembly 65 includes a top plate 651, a movable plate 652, a cylinder 653, an L-shaped plate 654, a sealing ring hole 655, and a negative pressure suction nozzle 656. The top plate 651 is fixedly installed on the top of the column 641. The top plate 651 is fixedly connected to the vertical plate 66. The top of the top plate 651 is fixedly connected to the vertical plate 66. The movable plate 652 is movably installed on the top of the vertical plate 66 via a slide rail. The cylinder 653 is embedded in the movable plate 652. The output end of the cylinder 653 is fixedly installed with the L-shaped plate 654. The sealing ring hole 655 is opened on the right side of the L-shaped plate 654. The negative pressure suction nozzle 656 is opened on the L-shaped plate 654 and communicates with the sealing ring hole 655.

[0033] Specifically, the suction pipe is connected to the negative pressure suction nozzle 656, and a negative pressure is generated in the sealing ring hole 655, which can adsorb the sealing ring. The operating cylinder 653 can move the L-shaped plate 654 vertically to make the sealing ring hole 655 parallel to the feeding bin 63 or parallel to the assembly mold 9.

[0034] In this embodiment, the pressing mechanism 8 includes a frame 801, a cylinder 802, a telescopic plate 803, a pressing head 804, and a limiting rod 805. The frame 801 is fixedly installed on the top of the assembly table 1. The cylinder 802 is embedded in the frame 801. The telescopic plate 803 is fixedly installed at the output end of the cylinder 802. The pressing head 804 is provided on the telescopic plate 803. A limiting rod 805 with one end penetrating the telescopic plate 803 is fixedly installed on both the front and rear sides of the telescopic plate 803.

[0035] Specifically, the operating cylinder 802, along with the telescopic plate 803 and the pressing head 804, approaches the valve core and presses the assembled sealing ring tightly; the limit rod 805 can restrict the movement of the telescopic plate 803.

[0036] In this embodiment, the feeding mechanism 7 includes a stand 701, a cylinder frame 702, a cylinder 703, an ejector block 704, a proximity switch 705, and a feeding groove 706. The stand 701 is fixedly installed on the top of the assembly table 1. The cylinder frame 702 is fixedly installed on the front side of the stand 701. The cylinder 703 is embedded in the cylinder frame 702. The ejector block 704 is fixedly installed at the output end of the cylinder 703. The proximity switch 705 is fixedly installed on the top of the stand 701. The feeding groove 706 is fixedly installed inside the stand 701. A through hole 901 is opened on the assembly mold 9. The through hole 901 matches the ejector block 704.

[0037] Specifically, proximity switch 705 can sense the information that the valve core with the sealing ring installed has moved to the unloading position. Cylinder 703, along with ejector block 704, pushes the valve core with the sealing ring installed out of the assembly mold 9, making the assembly mold 9 empty, thus creating space for subsequent valve core assembly. The pushed-out valve core falls from the unloading groove 706.

[0038] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A valve core sealing ring assembly process, characterized in that, The valve core sealing ring assembly process adopts a sealing ring assembly equipment, which includes an assembly table (1), a rotating table (2), an assembly mold (9), and three automatic feeding vibratory feeders (3). The rotating table (2) is rotatably installed on the top of the assembly table (1). Multiple assembly molds (9) are arranged at equal intervals on the top of the rotating table (2). The three vibratory feeders (3) are distributed sequentially on the left, rear, and right sides of the assembly table (1). The valve body feeding mechanism (4), valve core feeding mechanism (5), sealing ring feeding mechanism (6), pressing mechanism (8), and unloading mechanism (7) are arranged sequentially on the top of the assembly table (1) and extending clockwise to the rotating table (2). The valve core sealing ring assembly process includes the following steps: S1. The valve body, valve core and sealing ring are respectively put into three automatic feeding vibratory plates (3). The left automatic feeding vibratory plate (3) transports the valve body to the valve body feeding mechanism (4), and the valve body feeding mechanism (4) places the valve body on the assembly mold (9). S2. As the rotating table (2) rotates, the valve body on the assembly mold (9) moves to the valve core assembly position. The rear automatic feeding vibratory plate (3) transports the valve core to the valve core feeding mechanism (5), and the valve core feeding mechanism (5) puts the valve core into the valve body. S3. As the rotating table (2) rotates, the valve body and valve core on the assembly mold (9) are moved to the sealing ring assembly position, and the sealing ring feeding operation is completed by the sealing ring feeding mechanism (6) and the right automatic feeding vibrating plate (3). S4. As the rotating table (2) rotates, the valve body with the assembled sealing ring passes through the pressing mechanism (8) and the unloading mechanism (7) in sequence, completing the pressing, assembly and unloading of the sealing ring.

2. The valve core sealing ring assembly process according to claim 1, characterized in that: The valve body feeding mechanism (4) includes a base plate (401), a vertical plate (402), a feeding bin (403), a cylinder (404), a mounting plate (405), a push rod (406), a fixing plate (407), a baffle (408), a placement plate (409), a proximity switch (410), and a cylinder (411). The base plate (401) is fixedly installed on the top left end of the assembly table (1). The vertical plates (402) are fixedly installed on the front and rear sides of the top of the base plate (401). The feeding bin (403) is fixedly installed on the left side of the two vertical plates (402). The cylinder (404) is fixedly installed on the top of the vertical plate (402). An installation plate (405) is fixedly installed at the output end of (404). Push rods (406) are fixedly installed at both the front and rear ends of the right side of the installation plate (405). A fixing plate (407) is fixedly installed at the center of the opposite side of the two vertical plates (402). A baffle (408) is fixedly installed at the top right end of the fixing plate (407). A cylinder (411) is embedded in the top center of the fixing plate (407). A placement plate (409) is fixedly installed at the output end of the cylinder (411). A placement groove is opened at the top of the placement plate (409). A proximity switch (410) is fixedly installed at the top of the vertical plate (402) and above the placement plate (409).

3. The valve core sealing ring assembly process according to claim 1, characterized in that: The valve core feeding mechanism (5) includes a base plate two (51), a mounting frame (52), a feeding bin two (53), a placement frame (54), a flipping component (55), and two clamping and moving components (56). The base plate two (51) is fixedly installed on the top rear side of the assembly table (1). The mounting frame (52) is fixedly installed on the top rear side of the base plate two (51). The feeding bin two (53) is fixedly installed on the top of the mounting frame (52). The placement frame (54) is provided on the top of the base plate two (51) and in front of the feeding bin two (53). The placement frame (54) has a pick-and-place slot on its top. The flipping component (55) is provided on the top front side of the base plate two (51). The clamping and moving components (56) are provided above both the flipping component (55) and the placement frame (54).

4. The valve core sealing ring assembly process according to claim 3, characterized in that: The flipping assembly (55) includes a second vertical plate (551), a rotating shaft (552), a pneumatic gripper (553), and a third cylinder (554). Two second vertical plates (551) are fixedly installed on the top front side of the second base plate (51). A rotating shaft (552) is rotatably installed on the top of the two second vertical plates (551) on opposite sides. A pneumatic gripper (553) is provided on the rotating shaft (552). A third cylinder (554) is hinged to the top of the second base plate (51) and on the side opposite to the second vertical plate (551). A round shaft with one end passing through the second vertical plate (551) and fixedly connected to the rotating shaft (552) is fixedly installed at the output end of the third cylinder (554).

5. The valve core sealing ring assembly process according to claim 3, characterized in that: The clamping and moving assembly (56) includes a base plate three (561), a sliding plate (562), a cylinder four (563), a pneumatic gripper two (564), and a cylinder five (565). The base plate three (561) is fixedly installed above the flipping assembly (55) and the placement rack (54). The top of the base plate three (561) is slidably mounted on the sliding plate (562) via a slide rail. The cylinder four (563) is embedded in the center of the top of the sliding plate (562). The pneumatic gripper two (564) is fixedly installed at the output end of the cylinder four (563). The top of the base plate three (561) is provided with a cylinder five (565) whose output end is fixedly connected to the sliding plate (562).

6. The valve core sealing ring assembly process according to claim 1, characterized in that: The sealing ring feeding mechanism (6) includes a base plate four (61), a fixing frame (62), a feeding bin three (63), a pushing component (64), a guiding component (65), and a vertical plate three (66). The base plate four (61) is fixedly installed on the top right side of the assembly table (1). The fixing frame (62) is fixedly installed on the top right side of the base plate four (61). The feeding bin three (63) is fixedly installed on the top of the fixing frame (62). The pushing component (64) is provided above the feeding bin three (63). Two vertical plates three (66) are fixedly installed on the top left side of the assembly table (1). The guiding component (65) is provided above the vertical plates three (66).

7. The valve core sealing ring assembly process according to claim 6, characterized in that: The pushing component (64) includes a column (641), a side plate (642), a cylinder (643), a movable plate (644), and a push rod (645). The column (641) is fixedly installed on the top of the assembly table (1) and on both the front and rear sides of the fixed frame (62). The side plate (642) is fixedly installed on the top right side of the column (641). The cylinder (643) is embedded in the side plate (642). The movable plate (644) is fixedly installed on the output end of the cylinder (643). The push rod (645) is fixedly installed on the movable plate (644).

8. The valve core sealing ring assembly process according to claim 6, characterized in that: The guide assembly (65) includes a top plate (651), a movable plate (652), a cylinder seven (653), an L-shaped plate (654), a sealing ring hole (655), and a negative pressure suction nozzle (656). The top plate (651) is fixedly installed on the top of the column (641). The top plate (651) is fixedly connected to the vertical plate three (66). The top of the top plate (651) is fixedly connected to the vertical plate three (66). The movable plate (652) is movably installed on the top of the vertical plate three (66) via a slide rail. The cylinder seven (653) is embedded in the movable plate (652). The output end of the cylinder seven (653) is fixedly installed with an L-shaped plate (654). A sealing ring hole (655) is opened on the right side of the L-shaped plate (654). A negative pressure suction nozzle (656) communicating with the sealing ring hole (655) is opened on the L-shaped plate (654).

9. The valve core sealing ring assembly process according to claim 1, characterized in that: The pressing mechanism (8) includes a frame (801), a cylinder (802), a telescopic plate (803), a pressing head (804), and a limiting rod (805). The frame (801) is fixedly installed on the top of the assembly table (1). The cylinder (802) is embedded in the frame (801). The telescopic plate (803) is fixedly installed at the output end of the cylinder (802). The pressing head (804) is provided on the telescopic plate (803). A limiting rod (805) with one end penetrating the telescopic plate (803) is fixedly installed on both the front and rear sides of the telescopic plate (803).

10. The valve core sealing ring assembly process according to claim 1, characterized in that: The feeding mechanism (7) includes a stand (701), a cylinder frame (702), a cylinder nine (703), an ejector block (704), a proximity switch two (705), and a feeding groove (706). The stand (701) is fixedly installed on the top of the assembly table (1). The cylinder frame (702) is fixedly installed on the front side of the stand (701). The cylinder nine (703) is embedded in the cylinder frame (702). The ejector block (704) is fixedly installed at the output end of the cylinder nine (703). The proximity switch two (705) is fixedly installed on the top of the stand (701). The feeding groove (706) is fixedly installed inside the stand (701). A through hole (901) is opened on the assembly mold (9). The through hole (901) matches the ejector block (704).

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