Valve rod O-shaped ring assembly machine

Abstract

The invention provides a valve rod O-shaped ring assembly machine, and belongs to the technical field of assembly equipment. The problem that an existing valve rod O-shaped ring is low in manual assembly efficiency is solved. The valve rod O-shaped ring assembly machine comprises a machine frame body and a control box arranged on the machine frame body, the machine frame body is provided with a first feeding unit connected with the machine frame body and used for feeding valve rods in batches, the machine frame body is further provided with at least one second feeding unit connected with the machine frame body and used for feeding O-shaped rings, and the number of the second feeding unit is at least one. The rack main body is further provided with a conveying unit which is connected with the rack main body, is used for placing a valve rod and is used for conveying the valve rod, and the rack main body is further provided with an assembling assembly which is connected with the rack main body and is used for assembling the valve rod and an O-shaped ring; the assembling assembly is composed of a grabbing unit used for grabbing the valve rod and an assembling unit matched with the grabbing unit and the second feeding unit and used for assembling the valve rod and the O-shaped ring. The method has the advantage of being high in assembly efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of assembly equipment and relates to a valve stem O-ring assembly machine. Background Art

[0002] The valve stem is an indispensable part of the valve body, which is used to control the opening and closing of the valve body. When the valve stem and the valve body are assembled, an O-ring needs to be installed on the valve stem to improve the sealing. However, the existing assembly is generally performed manually, so a large number of assemblers are required for assembly. In the assembly process, due to the different efficiency of the workers, it is easy to make it impossible to estimate the assembly time of the entire batch, thereby affecting subsequent production. In the long-term assembly process, there is a high labor intensity, which may affect the qualified rate of the assembly and thus fail to meet the use requirements. Summary of the invention

[0003] The purpose of the present invention is to provide an assembly machine with intelligent control and high assembly efficiency in view of the above problems existing in the prior art.

[0004] The objective of the present invention can be achieved through the following technical solutions: A valve stem O-ring assembly machine, comprising a frame body and a control box arranged on the frame body, characterized in that the frame body is provided with a loading unit 1 connected thereto and used for batch loading of valve stems, the frame body is also provided with a loading unit 2 connected thereto and used for loading O-rings, the number of the loading unit 2 is at least one, the frame body is also provided with a conveying unit connected thereto and for placing and conveying the valve stem, the frame body is also provided with an assembly component connected thereto and used for assembling the valve stem and the O-ring, the assembly component is composed of a grabbing unit for grabbing the valve stem and an assembly unit that cooperates with the grabbing unit and the loading unit 2 and is used for assembling the valve stem and the O-ring.

[0005] In the above-mentioned valve stem O-ring assembly machine, the loading unit is composed of a loading tray with a discharge channel and a feeding track. The loading tray is arranged on the frame body and connected thereto. The feeding track is arranged on the frame body and connected thereto. One end of the feeding track is connected to the discharge channel in the loading tray. The frame body is provided with an assembly seat connected thereto and for installing the feeding track.

[0006] In the above-mentioned valve stem O-ring assembly machine, the loading unit 2 is composed of a loading tray 2 with a discharge channel and a feeding track 2. The loading tray 2 is arranged on the frame body and connected thereto. The feeding track 2 is arranged on the frame body and connected thereto. One end of the feeding track 2 is connected to the discharge channel in the loading tray 2. The frame body is also provided with an assembly seat 1 which is connected thereto and for installing the feeding track 2.

[0007] In the above-mentioned valve stem O-ring assembly machine, the conveying unit is composed of a conveying seat and a conveying track, the conveying seat is arranged on the frame body and connected thereto, the conveying track is arranged on the conveying seat and connected thereto, the conveying track and the above-mentioned feeding track 2 are staggered, and a spacing is left between the conveying track and the feeding track 1, the frame body is located between the conveying track and the feeding track 1 and is provided with a pushing unit connected thereto and conveying the valve stem on the feeding track 1 to the conveying track.

[0008] In the above-mentioned valve stem O-ring assembly machine, a protective unit connected to the conveying rail and preventing the valve stem from tilting is provided on one side of the frame body, the protective unit is composed of a protective base and a protective plate, the protective base is arranged on the frame body and connected to it, the protective plate is arranged on the protective base and connected to it, an adjustment unit for adjusting the position of the protective plate is arranged between the protective base and the protective plate, the adjustment unit is composed of an adjustment plate, a lower linear slide structure and an upper linear slide structure, the lower linear slide structure is arranged on the protective base and connected to it, the adjustment plate is arranged on the lower linear slide structure and is adjusted and moved by the lower linear slide structure, the upper linear slide structure is arranged on the adjustment plate and connected to it, the above-mentioned protective plate is arranged on the upper linear slide structure and is adjusted and moved by the upper linear slide structure, the protective plate is arranged on the protective plate, and a plurality of protective strips are arranged at intervals along the length direction thereof and the outer ends extend out of the protective plate, and a U-shaped groove for valve stem installation is provided on the outer end of the protective strip.

[0009] In the above-mentioned valve stem O-ring assembly machine, the pushing unit is composed of a pushing cylinder with a telescopic rod and a pushing block. The frame body is provided with an assembly seat 2 connected to the telescopic rod and for the pushing cylinder to be installed. The pushing block is arranged on the telescopic rod and connected thereto, and a slide groove for placing the valve stem is provided on the pushing block.

[0010] In the above-mentioned valve stem O-ring assembly machine, the grabbing unit is composed of a grabbing seat and a chuck jaw, and the frame body is provided with a plurality of guide rods connected to it and for installation of the grabbing seat, and capable of axially adjusting the grabbing seat, and the grabbing seat is provided with a connecting block connected to it and for installation of the chuck jaw, and a cross support plate structure connected to the grabbing seat and used for adjusting the position of the connecting block is provided between the connecting block and the grabbing seat, the connecting block is arranged in an L-shaped structure, and the chuck jaw is arranged on the connecting block and connected to it.

[0011] In the above-mentioned valve stem O-ring assembly machine, the assembly unit is an assembly block, which is arranged side by side with the above-mentioned feeding guide rail 2, and an open groove is provided at one end of the assembly block close to the feeding guide rail 2 to facilitate the assembly of the valve stem and the O-ring.

[0012] In the above-mentioned valve stem O-ring assembly machine, an auxiliary unit connected to the connecting block and matched with the assembly component is provided on one side wall of the connecting block, and the auxiliary unit consists of an auxiliary block, an auxiliary rail, an auxiliary slider, an auxiliary cylinder with an auxiliary rod and a limit plate. The auxiliary block is arranged on the connecting block and connected to it, the auxiliary slider is arranged on the auxiliary block and connected to it, the auxiliary cylinder is arranged on the auxiliary block and connected to it, the auxiliary rod in the auxiliary cylinder is connected to the auxiliary rail, the auxiliary rail is arranged on the auxiliary slider and slidably matched with it, the limit plate is arranged on the auxiliary rail and connected to it, and one end of it is extended to the assembly block through the auxiliary rail, and the upper end surface of the limit plate located in the opening groove is provided with a limit hole matching the grabbing unit.

[0013] Compared with the existing technology, this valve stem O-ring assembly machine has the following advantages: 1. The frame body is provided with a first feeding unit connected thereto and used for batch feeding of valve stems. The frame body is also provided with a second feeding unit connected thereto and used for feeding O-rings. The number of the second feeding unit is at least one. The frame body is also provided with a conveying unit connected thereto and used for placing and conveying the valve stems. The frame body is also provided with an assembly component connected thereto and used for assembling the valve stems and O-rings. The assembly component is composed of a grabbing unit for grabbing the valve stem and an assembly unit that cooperates with the grabbing unit and the second feeding unit and is used for assembling the valve stems and O-rings. The above-mentioned structure improves the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the connecting structure in the valve stem O-ring assembly machine.

[0015] In the figure, 1. frame body; 2. loading tray 1; 3. feeding track 1; 4. assembly seat 1; 5. loading tray 2; 6. feeding track 2; 7. conveying seat; 8. conveying track; 9. protective base; 10. protective plate; 11. adjustment plate; 12. lower linear slide structure; 13. upper linear slide structure; 14. protective strip; 15. push cylinder; 16. push block; 17. assembly seat 2; 18. grab seat; 19. chuck jaws; 20. guide rod; 21. cross support plate structure; 22. assembly block; 23. auxiliary block; 24. auxiliary rail; 25. auxiliary slider; 26. auxiliary cylinder; 27. limit plate. DETAILED DESCRIPTION

[0016] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0017] like Figure 1As shown, the valve stem O-ring assembly machine comprises a frame body 1 and a control box arranged on the frame body 1, the frame body 1 is provided with a feeding unit 1 connected thereto and used for batch feeding of valve stems, the frame body 1 is also provided with a feeding unit 2 connected thereto and used for feeding O-rings, the number of the feeding unit 2 is at least one, the frame body 1 is also provided with a conveying unit connected thereto and for placing the valve stem and for conveying the valve stem, the frame body 1 is also provided with an assembly component connected thereto and used for assembling the valve stem and the O-ring, the assembly component comprises a grasping unit for grasping the valve stem and an assembly unit matched with the grasping unit and the feeding unit 2 and used for assembling the valve stem and the O-ring, the number of the grasping unit and the assembly unit is the same as the number of the feeding unit 2 The number is the same, the loading unit 1 is composed of a loading tray 2 with a discharge channel and a feeding track 3, the loading tray 2 is arranged on the frame body 1 and connected thereto, and an assembly frame for installing the loading tray 2 can also be arranged on one side of the frame body 1, so there are two ways to assemble the loading tray 2, the feeding track 3 is arranged on the frame body 1 and connected thereto, one end of the feeding track 3 is connected to the discharge channel in the loading tray 2, so that the valve stem can be transported to the feeding track 3 through the discharge channel, and the frame body 1 is provided with an assembly seat 4 connected thereto and installed for the feeding track 3, the assembly seat 4 can be composed of a lower plate, an upper plate and a plurality of supporting feet, and the above-mentioned feeding track 3 is provided with a slideway for the valve stem to enter and slide, and the loading unit 2 is composed of The loading plate 25 with a discharge channel and a feeding track 26 are composed. The loading plate 25 is arranged on the frame body 1 and connected thereto. An assembly frame for mounting the loading plate 2 can also be arranged on one side of the frame body 1. Therefore, there are two ways to assemble the loading plate 2. The feeding track 26 is arranged on the frame body 1 and connected thereto. One end of the feeding track 26 is connected to the discharge channel in the loading plate 25, so that the O-ring can be transported to the feeding track 26 through the discharge channel. The frame body 1 is also provided with an assembly seat 4 connected thereto and for mounting the feeding track 26. The feeding track 26 is provided with a slideway to make it hollow. The upper end surface of the feeding track 26 located at the slideway is provided with a plurality of holes arranged along its length and used for observation. Observation port, the conveying unit is composed of a conveying seat 7 and a conveying track 8, the conveying seat 7 is arranged on the frame body 1 and connected thereto, the conveying track 8 is arranged on the conveying seat 7 and connected thereto, the conveying track 8 and the above-mentioned feeding track 2 6 are staggered, and a spacing is left between the end of the conveying track 8 close to the feeding track 3 and the feeding track 3, the frame body 1 is provided with a pushing unit connected thereto and conveying the valve stem on the feeding track 3 to the conveying track 8, the other end of the above-mentioned conveying track 8 is provided with a unloading track, and a protective unit connected thereto and preventing the valve stem from tilting is provided on one side of the conveying rail on the frame body 1, and the protective unit is composed of a protective base 9 and a protective plate 10,The protective base 9 is arranged on the frame body 1 and connected thereto, the protective plate 10 is arranged on the protective base 9 and connected thereto, an adjustment unit for adjusting the position of the protective plate 10 is arranged between the protective base 9 and the protective plate 10, and the adjustment unit is composed of an adjustment plate 11, a lower linear slide rail structure 12 and an upper linear slide rail structure 13. The lower linear slide rail structure 12 is arranged on the protective base 9 and connected thereto, the adjustment plate 11 is arranged on the lower linear slide rail structure 12 and is adjusted and moved by the lower linear slide rail structure, the upper linear slide rail structure 13 is arranged on the adjustment plate 11 and connected thereto, the above-mentioned protective plate 10 is arranged on the upper linear slide rail structure 13 and is adjusted and moved by the upper linear slide rail structure 13, and the protective plate 10 is provided with a plurality of A protective strip 14 is arranged at intervals and extends out of the protective plate 10 at the outer end. A U-shaped notch for installing a valve stem is provided on the outer end of the protective strip 14. The pushing unit is composed of a pushing cylinder 15 with a telescopic rod and a pushing block 16. The frame body 1 is provided with an assembly seat 17 connected to the pushing cylinder 15 and for installing the pushing cylinder 15. The pushing block 16 is arranged on the telescopic rod and connected thereto. A slide groove for placing the valve stem is provided on the pushing block 16, and an anti-bias unit connected to the frame body 1 and preventing the pushing block 16 from shifting its center of gravity is provided between the pushing block 16 and the frame body 1. The anti-bias unit is composed of an anti-bias seat connected to the frame body 1, a slide rail arranged on the anti-bias seat and connected thereto, and a slider arranged on the slide rail and matched therewith, and the slider is connected to the above-mentioned push block 16. The feeding block 16 is connected, and the grabbing unit is composed of a grabbing seat 18 and a chuck jaw 19. The frame body 1 is provided with a plurality of guide rods 20 connected thereto and for installation of the grabbing seat 18, and the grabbing seat 18 can be axially adjusted. The grabbing seat 18 is provided with a connecting block connected thereto and for installation of the chuck jaw 19. A cross support plate structure 21 connected to the grabbing seat 18 and used to adjust the position of the connecting block is provided between the connecting block and the grabbing seat 18. The cross support plate structure 21 is a prior art, and the connecting block is arranged in an L-shaped structure. The chuck jaw 19 is arranged on the connecting block and connected to the assembling unit. The assembling block 22 is arranged side by side with the above-mentioned feeding guide rail 2, and the end of the assembling block 22 close to the feeding guide rail 2 is provided with a valve stem and a valve stem. An open groove is provided for assembling the O-ring and having a U-shaped cross-section. An assembly block 22 is provided with an axially inwardly recessed groove on the bottom surface of the open groove, and a reset structure is provided in the recessed groove of the assembly block 22. The reset structure is composed of a reset block and a reset spring. An auxiliary unit connected to the connection block and matched with the assembly component is provided on one side wall of the connection block. The auxiliary unit is composed of an auxiliary block 23, an auxiliary rail 24, an auxiliary slider 25, an auxiliary cylinder 26 with an auxiliary rod and a limit plate 27. The auxiliary block 23 is provided on the connection block and connected thereto. The auxiliary slider 25 is provided on the auxiliary block 23 and connected thereto. The auxiliary cylinder 26 is provided on the auxiliary block 23 and connected thereto. The auxiliary rod in the auxiliary cylinder 26 is connected to the auxiliary rail 24.The auxiliary rail 24 is arranged on the auxiliary slider 25 and slidably cooperates with it. The limit plate 27 is arranged on the auxiliary rail 24 and connected with it, and one end of it is extended to the assembly block 22 through the auxiliary rail 24. The limit plate 27 is located at the upper end surface of the open groove and is provided with a limit hole that cooperates with the grabbing unit. When the grabbing unit grabs the valve stem to the open groove, the O-ring is also conveyed to the open groove. The valve stem and the O-ring are assembled by pressing down the grabbing unit. During the pressing process, the grabbing unit will loosen the valve stem and fit with the inner wall of the limit hole. During the pressing process, the valve stem will partially enter the recessed groove. After the assembly is completed, the grabbing unit will re-grasp the valve stem while rising, so as to convey it to the conveying unit, and the reset structure will be reset again to prevent the subsequent O-ring from falling into the recessed groove.

[0018] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0019] Although the term "such as" is used more frequently in this article, the possibility of using other terms is not excluded. These terms are used only to more conveniently describe and explain the essence of the present invention; interpreting them as any additional limitation is contrary to the spirit of the present invention.

Claims

1. A valve stem O-ring assembly machine, comprising a frame body (1) and a control box arranged on the frame body (1), characterized in that: The frame body (1) is provided with a first feeding unit connected thereto and used for batch feeding of valve stems. The frame body (1) is also provided with a second feeding unit connected thereto and used for feeding O-rings. The number of the second feeding unit is at least one. The frame body (1) is also provided with a conveying unit connected thereto and used for placing and conveying the valve stems. The frame body (1) is also provided with an assembly component connected thereto and used for assembling the valve stems and O-rings. The assembly component comprises a grasping unit used for grasping the valve stem and an assembly unit that cooperates with the grasping unit and the second feeding unit and is used for assembling the valve stems and O-rings.

2. A valve stem O-ring assembly machine according to claim 1, characterized in that: The loading unit 1 comprises a loading tray 1 (2) with a discharge channel and a feeding track 1 (3); the loading tray 1 (2) is arranged on the frame body (1) and connected thereto; the feeding track 1 (3) is arranged on the frame body (1) and connected thereto; one end of the feeding track 1 (3) is connected to the discharge channel in the loading tray 1 (2); and an assembly seat 1 (4) connected thereto and for mounting the feeding track 1 (3) is arranged on the frame body (1).

3. A valve stem O-ring assembly machine according to claim 1, characterized in that: The second loading unit is composed of a second loading tray (5) with a discharge channel and a second feeding track (6). The second loading tray (5) is arranged on the frame body (1) and connected thereto. The second feeding track (6) is arranged on the frame body (1) and connected thereto. One end of the second feeding track (6) is connected to the discharge channel in the second loading tray (5). The frame body (1) is also provided with an assembly seat (4) connected thereto and for mounting the second feeding track (6).

4. A valve stem O-ring assembly machine according to claim 3, characterized in that: The conveying unit is composed of a conveying seat (7) and a conveying track (8), wherein the conveying seat (7) is arranged on the frame body (1) and connected thereto, and the conveying track (8) is arranged on the conveying seat (7) and connected thereto, the conveying track (8) and the above-mentioned feeding track 2 (6) are arranged in a staggered manner, and a spacing is left between the conveying track (8) and the feeding track 1 (3), and the frame body (1) is provided with a pushing unit connected thereto and for conveying the valve stem on the feeding track 1 (3) to the conveying track (8).

5. The valve stem O-ring assembly machine according to claim 1, characterized in that: A protective unit connected to the conveying rail and preventing the valve stem from tilting is arranged on one side of the frame body (1) and is connected to the conveying rail. The protective unit is composed of a protective base (9) and a protective plate (10). The protective base (9) is arranged on the frame body (1) and is connected to the conveying rail. The protective plate (10) is arranged on the protective base (9) and is connected to the conveying rail. An adjusting unit for adjusting the position of the protective plate (10) is arranged between the protective base (9) and the protective plate (10). The adjusting unit is composed of an adjusting plate (11), a lower linear slide structure (12) and an upper linear slide structure (13). The lower linear slide structure ( The protective plate (10) is provided with a plurality of protective strips (14) which are arranged at intervals along the length direction thereof and whose outer ends extend out of the protective plate (10), and the outer ends of the protective strips (14) are provided with a U-shaped notch for mounting the valve stem on the outer ends of the protective strips (14).

6. The valve stem O-ring assembly machine according to claim 1, characterized in that: The pushing unit is composed of a pushing cylinder (15) with a telescopic rod and a pushing block (16). The frame body (1) is provided with an assembly seat (17) connected to the pushing cylinder (15) and for mounting the pushing cylinder (15). The pushing block (16) is arranged on the telescopic rod and connected thereto. The pushing block (16) is provided with a slide groove for placing the valve stem.

7. The valve stem O-ring assembly machine according to claim 1, characterized in that: The grabbing unit is composed of a grabbing seat (18) and a chuck jaw (19); the frame body (1) is provided with a plurality of guide rods (20) connected to the grabbing seat (18) and provided for mounting the grabbing seat (18) and capable of axially adjusting the grabbing seat (18); the grabbing seat (18) is provided with a connecting block connected to the grabbing seat (18) and provided for mounting the chuck jaw (19); a cross support plate structure (21) connected to the grabbing seat (18) and used for adjusting the position of the connecting block is provided between the connecting block and the grabbing seat (18); the connecting block is provided in an L-shaped structure; the chuck jaw (19) is provided on the connecting block and connected to the connecting block.

8. The valve stem O-ring assembly machine according to claim 1, characterized in that: The assembly unit is an assembly block (22), which is arranged side by side with the second feeding guide rail, and an end of the assembly block (22) close to the second feeding guide rail is provided with an open groove for facilitating the assembly of the valve stem and the O-ring.

9. The valve stem O-ring assembly machine according to claim 1, characterized in that: An auxiliary unit connected to the connecting block and cooperating with the assembly component is arranged on one side wall of the connecting block. The auxiliary unit is composed of an auxiliary block (23), an auxiliary rail (24), an auxiliary slider (25), an auxiliary cylinder (26) with an auxiliary rod, and a limit plate (27). The auxiliary block (23) is arranged on the connecting block and connected to the connecting block. The auxiliary slider (25) is arranged on the auxiliary block (23) and connected to the auxiliary block. The auxiliary cylinder (26) is arranged on the auxiliary block (23) and connected to the auxiliary block. The auxiliary rod in the auxiliary cylinder (26) is connected to the auxiliary rail (24). The auxiliary rail (24) is arranged on the auxiliary slider (25) and slidably cooperates with the auxiliary rail. The limit plate (27) is arranged on the auxiliary rail (24) and connected to the auxiliary rail. One end of the limit plate (27) is extended to the assembly block (22) through the auxiliary rail (24). The limit plate (27) is provided with a limit hole on the upper end surface of the opening groove that cooperates with the grabbing unit.

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