An automatic assembly mechanism for O-rings used in compression fittings

Abstract

The present invention discloses an automatic O-ring assembly mechanism for compression-type pipe fittings, comprising a feeding device, a loading device, and a pipe fitting station. The feeding device includes a feeding plate and a feeding cylinder, which drives the feeding plate to reciprocate toward the loading device. The loading device includes a loading rod and a first loading cylinder, which drives the loading rod to reciprocate toward the pipe fitting station. A steering device is provided below the pipe fitting station for rotating the pipe fitting. The present invention has the advantage that the automatic assembly mechanism can achieve automated assembly while simultaneously installing an O-ring on each port of the pipe fitting.

Description

Technical Field

[0001] The invention relates to an automatic assembly mechanism for an O-type sealing ring used for a compression type pipe fitting, and belongs to the technical field of O-type sealing ring assembly. Background Art

[0002] Among the sealing rings, O-rings are the most commonly used. O-rings are the most widely used seals on various mechanical equipment. They have an extremely simple cross-sectional structure, self-sealing function, and reliable sealing performance. They are mainly used for static sealing and reciprocating motion sealing.

[0003] Pipe fittings are a general term for components in piping systems that perform functions such as connection, control, direction change, diversion, sealing, and support. They are a crucial component in connecting pipes to pipelines. Pipe fittings are often made of the same material as pipes and include elbows, straights, tees, and reducers. Pipe fittings are generally used to transport fluids. To prevent leakage, the connection between the fitting and the pipeline generally requires sealing, typically achieved by installing an O-ring inside the fitting.

[0004] Existing O-ring assembly for pipe fittings typically relies on manual labor. However, since a pipe fitting has multiple ports, workers must install the O-ring at each port, which is extremely time-consuming and labor-intensive, limiting assembly efficiency. This process can also result in some ports being missed, leading to high product rejection rates and requiring subsequent troubleshooting and inspection, significantly increasing production costs. Furthermore, manual assembly is slow, making it difficult to adapt to the demands of automated assembly and the fierce market competition. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide an automatic assembly mechanism for an O-ring for a compression type pipe fitting, which can realize automatic assembly and simultaneously install an O-ring on each port of the pipe fitting.

[0006] To solve the above technical problems, the present invention adopts the following technical solutions:

[0007] An automatic assembly mechanism for O-rings for press-fit pipe fittings comprises a feeding device, a loading device and a pipe fitting station, wherein the feeding device is provided with a feeding plate and a feeding cylinder, the feeding cylinder drives the feeding plate to reciprocate toward the loading device, the loading device is provided with a loading rod and a first loading cylinder, the first loading cylinder drives the loading rod to reciprocate toward the pipe fitting station, a steering gear for rotating the pipe fitting is provided under the pipe fitting station, the feeding plate pushes the O-ring to the loading rod, the loading rod presses the O-ring into the pipe fitting, and the steering gear rotates the pipe fitting station to install the other end.

[0008] The advantages of adopting the present invention are:

[0009] In the present invention, the O-ring automatic assembly mechanism includes a feeding device, a loading device and a pipe fitting station, wherein the feeding device pushes the O-ring to the loading device through a feeding plate, and then the O-ring is obtained by a loading rod in the loading device. Under the action of the first loading cylinder, the loading rod presses the O-ring into the interior of the pipe fitting to realize the automatic installation of the O-ring of the pipe fitting. The present invention can realize automatic assembly, so it can save a lot of manpower labor, thereby saving labor costs, and also reduces the mistakes that may be caused by manual operation, and can complete the assembly of the O-ring more accurately, reducing the unqualified rate of the product. At the same time, the automatic assembly is faster than manual assembly, which can greatly improve production efficiency.

[0010] Secondly, a diverter is provided under the pipe fitting station in the present invention. After the feeding device installs the O-ring into one end of the pipe fitting, the diverter rotates the pipe fitting in the pipe fitting station so that the other end of the pipe fitting is aligned with the feeding rod, so that the feeding rod can install the O-ring on the other ports of the pipe fitting. The diverter can ensure that the O-ring can be accurately installed on each port of the pipe fitting. Compared with manual assembly, the present invention can avoid the situation where some ports are missed, so that the quality of the product is guaranteed, and it can also reduce the subsequent inspection efforts and save costs.

[0011] Preferably, the feeding device is provided with a slide rail for sliding the O-ring, the slide rail is vertically distributed, the slide rail includes a lower port, the end of the feeding plate is provided with a U-shaped groove for accommodating the O-ring, and the notch of the U-shaped groove corresponds to the lower port of the slide rail.

[0012] Preferably, the O-ring automatic assembly mechanism further comprises a storage barrel for providing O-rings for the feeding device, the storage barrel is provided with a discharge port, and the slide rail further comprises an upper port, the discharge port being connected to the upper port.

[0013] Preferably, the O-ring automatic assembly mechanism further comprises a turntable, at least two pipe fitting stations are provided at the edge of the turntable, and the turntable is provided with a first driver for driving the turntable to rotate.

[0014] Preferably, a fixed disk is provided on the turntable, and the fixed disk does not rotate with the turntable. A limiter is provided on the fixed disk for limiting the pipe fitting from leaving the pipe fitting station.

[0015] Preferably, the limiter includes a limit rod, and when the feeding device installs the O-ring, the limit rod pushes the pipe downward, and the limit rod is provided with a spring for maintaining the limit rod in contact with the pipe.

[0016] Preferably, the loading device is also provided with a second loading cylinder and a connecting plate, the second loading cylinder drives the connecting plate to reciprocate in the vertical direction, the first loading cylinder and the loading rod are installed on the connecting plate, and the connecting plate drives the first loading cylinder and the loading rod to move.

[0017] Preferably, the pipe work station includes a base and a work station disk, the base is provided with a first groove for accommodating the work station disk, the work station disk is provided with a second groove for accommodating the pipe, and the work station disk is provided with a stop block. When the work station disk is installed on the base, the stop block cooperates with the first groove to limit the rotation of the work station disk.

[0018] Preferably, the steering gear includes a vertical cylinder and a steering assembly, the vertical cylinder drives the steering assembly to reciprocate in the vertical direction, the steering assembly includes a second drive and a steering head, the steering head is provided with a convex column, and the work station is provided with a third groove corresponding to the convex column.

[0019] Preferably, the pipe fitting includes at least two ports, and the ports are provided with assembly grooves for installing sealing rings, and the inner diameter of the assembly groove is larger than the inner diameter of the port.

[0020] Other features and advantages of the present invention will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings:

[0022] Figure 1 This is a schematic diagram of the overall structure of Example 1 of the present invention;

[0023] Figure 2 Schematic diagram of the structure of the feeding device in Example 1 of the present invention;

[0024] Figure 3 Schematic diagram of the structure of the feeding device in Example 1 of the present invention;

[0025] Figure 4 Schematic diagram of the structure of the feeding plate and the feeding cylinder in Example 1 of the present invention;

[0026] Figure 5 for Figure 3 A partial enlarged view of part A;

[0027] Figure 6 Schematic diagram of the structure of the steering device in Example 1 of the present invention;

[0028] Figure 7 for Figure 6 A partial enlarged view of part B;

[0029] Figure 8This is an exploded schematic diagram of the pipe fitting station in Example 1 of the present invention;

[0030] Figure 9 Schematic diagram of the structure of the limiter in Example 1 of the present invention;

[0031] Figure 10 Schematic diagram of the structure of the feeding device and the loading device in Example 1 of the present invention;

[0032] Figure 11 This is a schematic structural diagram of the stopper, pipe station and diverter in Example 1 of the present invention;

[0033] Figure 12 for Figure 10 A partial enlarged view of part C. DETAILED DESCRIPTION

[0034] The following is an explanation and description of the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention. However, the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the implementation manner, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0036] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referenced. Thus, features identified with "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" means two or more, unless expressly limited otherwise.

[0037] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances. Example

[0038] like Figures 1 to 12 As shown, this embodiment shows an automatic assembly mechanism for O-rings for press-type pipe fittings, including a feeding device 5, a loading device 4 and a pipe fitting station 3, the feeding device 5 is provided with a feeding plate 52 and a feeding cylinder 51, the feeding cylinder 51 drives the feeding plate 52 to reciprocate toward the loading device 4, the loading device 4 is provided with a loading rod 42 and a first loading cylinder 41, the first loading cylinder 41 drives the loading rod 42 to reciprocate toward the pipe fitting station 3, a diverter 6 for rotating the pipe fitting 33 is provided under the pipe fitting station 3, the feeding plate 52 pushes the O-ring 54 to the loading rod 42, the loading rod 42 presses the O-ring 54 into the inside of the pipe fitting 33, the diverter 6 rotates the pipe fitting station 3 to install the other end, thereby realizing the automatic installation of the O-ring 54 of the pipe fitting 33.

[0039] In this embodiment, the automatic assembly mechanism of the O-ring 54 includes a feeding device 5, a loading device 4 and a pipe fitting station 3, wherein the feeding device 5 pushes the O-ring 54 to the loading device 4 through the feeding plate 52, and then the loading rod 42 in the loading device 4 obtains the O-ring 54, and under the action of the first loading cylinder 41, the loading rod 42 presses the O-ring 54 into the interior of the pipe fitting 33, thereby realizing the automatic installation of the O-ring 54 of the pipe fitting 33. This embodiment can realize automatic assembly, so it can save a lot of manpower labor, thereby saving labor costs, and also reduces the errors that may be caused by manual operation, and can complete the assembly of the O-ring 54 more accurately, reducing the unqualified rate of the product. At the same time, automatic assembly is faster than manual assembly, which can greatly improve production efficiency.

[0040] Secondly, in this embodiment, a diverter 6 is provided under the pipe fitting station 3. After the feeding device 4 installs the O-ring 54 into one end of the pipe fitting 33, the diverter 6 rotates the pipe fitting 33 in the pipe fitting station 3 so that the other end of the pipe fitting 33 is aligned with the feeding rod 42, so that the feeding rod 42 can install the O-ring 54 on the other ports of the pipe fitting 33. The diverter 6 can ensure that each port of the pipe fitting 33 can accurately install the O-ring 54. Compared with manual assembly, this embodiment can avoid the situation where some ports are missed, so that the quality of the product is guaranteed, and it can also reduce the subsequent inspection efforts and save costs.

[0041] Regarding the feeding device 5, the feeding device 5 in this embodiment is provided with a slide rail 53 for sliding the O-ring 54, and the slide rail 53 is distributed in the vertical direction, wherein the slide rail 53 includes an upper port 530 and a lower port 531, and the O-ring 54 enters from the upper port 530 to reach the lower port 531, and the feeding plate 52 is located below the lower port 531. The end of the feeding plate 52 is further provided with a U-shaped groove 521 for accommodating the O-ring 54, and the notch of the U-shaped groove 521 corresponds to the lower port 531 of the slide rail 53, and the O-ring 54 leaves the lower port 531 of the slide rail 53 and enters The U-shaped groove 521, when the feeding cylinder 51 pushes the feeding plate 52 toward the loading device 4, the U-shaped groove 521 leaves the lower end 531 of the slide rail 53. At this time, the upper side of the feeding plate 52 will block the lower end 531 of the slide rail 53, thereby limiting the O-ring 54 in the slide rail 53 from falling. After the loading device 4 removes the O-ring 54 from the feeding plate 52, the feeding cylinder 51 drives the feeding plate 52 to retract. After the U-shaped groove 521 reaches the lower end 531 of the slide rail 53, the lowest O-ring 54 in the slide rail 53 enters the U-shaped groove 521, waiting for the feeding cylinder 51 to start again.

[0042] In addition, the present embodiment also includes a storage barrel 8 for providing O-rings 54 to the feeding device 5, the storage barrel 8 is provided with a discharge port 81, the discharge port 81 is in contact with the upper end port 530 of the slide rail 53 in the feeding device 5, the staff pours the O-ring 54 into the storage barrel 8, and the O-ring 54 enters the slide rail 53 in the feeding device 5 along the discharge port 81. The present embodiment can directly put a large number of O-rings 54 into the storage barrel 8, and the storage barrel 8 automatically fills the feeding device 5 with O-rings 54. When the O-rings 54 are almost used up, they can be replenished in the storage barrel 8 again. The present embodiment can reduce the number of times the O-rings 54 are extracted, saving time. Secondly, since the O-rings 54 are relatively small, the control over the O-rings 54 is poor during manual assembly, while the present embodiment has a stronger control over the O-rings 54, which can make the output of the O-rings 54 more stable and fast.

[0043] This embodiment also includes a turntable 2, which is provided with a first drive, and 6 pipe fitting stations 3 are provided at the edge of the turntable 2. The first drive controls the turntable 2 to rotate so that the loading device 4 assembles O-rings 54 on different pipe fitting stations 3 in turn. The staff puts the pipe fitting 33 to be assembled into the pipe fitting station 3, and the turntable 2 rotates the pipe fitting station 3 to the loading area in front of the loading device 4, and the loading device 4 completes the assembly of the O-ring 54. After completion, the turntable 2 rotates again, and the next pipe fitting station 3 arrives in front of the loading device 4. After the assembled pipe fitting 33 is removed, other pipe fittings 33 to be assembled can be installed again. The staff only needs to put the pipe fitting 33 to be assembled into the vacant pipe fitting station 3. This embodiment can reduce the work difficulty of the staff. At the same time, this embodiment can continuously process the pipe fittings 33, which can greatly improve the output and production efficiency, and can also reduce labor costs. It should be noted that the above-mentioned loading area refers to the area where the pipe fitting station 3 is located when the loading device 4 assembles the O-ring 54 on the pipe fitting 33.

[0044] In addition, in this embodiment, a fixed disk 21 is provided on the turntable 2, and the fixed disk 21 does not rotate with the turntable 2. A limiter 7 for limiting the pipe fitting 33 tray pipe fitting station 3 is also provided on the fixed disk 21. A diverter 6 for rotating the pipe fitting 33 is provided below the loading area, wherein the limiter 7 is provided with a third driver 71, a limit rod 73 and a spring 72; the diverter 6 includes a vertical cylinder 61 and a steering assembly, and the steering assembly includes a second driver 62 and a steering head 63, and the second driver 62 controls the rotation of the steering head 63, and the surface of the steering head 63 is provided with two convex Column 64; the pipe fitting work station 3 includes a base 31 and a work station disk 32, the base 31 is provided with a first groove 310 for accommodating the work station disk 32, the work station disk 32 in this embodiment is circular as a whole, and a second groove 320 is provided on the upper surface of the work station disk 32, the second groove 320 is cross-shaped, and a stop block 321 is installed in the middle of the second groove 320. When the work station disk 32 is in the first groove 310, the stop block 321 and the first groove 310 cooperate to limit the rotation of the work station disk 32, and the work station disk 32 is also provided with a third groove 322 corresponding to the boss 64.

[0045] When the cam 32 is in the working state, the first stop 74 is in the workbench 32, and the cam 32 is in the working state, so that the cam 32 is in the working state, and the cam 32 is in the working state, so that the cam 32 is in the working state, and the cam 32 is in the working state, so that the cam 32 is in the working state, and the cam 32 is in the working state, so that the cam 32 is in the working state, and the cam 32 is in the working state.

[0046] Regarding the loading device 4, the loading device 4 in this embodiment is also provided with a second loading cylinder 43 and a connecting plate 44. The second loading cylinder 43 drives the connecting plate 44 to reciprocate in the vertical direction. The first loading cylinder 41 and the loading rod 42 are installed on the connecting plate 44. The connecting plate 44 drives the first loading cylinder 41 and the loading rod 42 to move.

[0047] Regarding the pipe fittings, the pipe fittings 33 in this embodiment include three ports, and the ports are provided with assembly grooves for installing sealing rings. The inner diameter of the assembly grooves is larger than the inner diameter of the ports. After the pipe fittings 33 are installed into the second grooves 320 on the surface of the work station 32, the second grooves 320 can limit the movement of the pipe fittings 33 in the horizontal direction. Of course, in other embodiments, the pipe fittings 33 can also be pipe fittings 33 of other different specifications, such as 45° elbows, 90° elbows, straight pipes, tee pipes or pipe caps and other pipe fittings 33.

[0048] Regarding the use process of this embodiment, the steps are as follows:

[0049] The staff puts the O-ring 54 into the storage barrel 8 and puts the pipe 33 to be assembled into the second groove 320 of the work station 32;

[0050] First, during the feeding process, the O-ring 54 enters the slide rail 53 of the feeding device 5 from the discharge port 81 of the storage barrel 8, wherein the lowest O-ring 54 in the slide rail 53 enters the U-shaped groove 521 of the feeding plate 52. Under the action of the feeding cylinder 51, the feeding plate 52 moves horizontally to the loading device 4 to wait for material to be taken;

[0051] Reclaiming process, such as Figure 10 and Figure 11As shown, the feeding plate 52 is below the loading rod 42. Therefore, when the feeding device 5 is running, the second loading cylinder 43 in the loading device 4 drives the loading rod 42 and the first loading cylinder 41 to move downward through the connecting plate 44. At the same time, the first loading cylinder 41 controls the loading rod 42 to retract to avoid the feeding plate 52. When the connecting plate 44 drops to the lowest point, the loading rod 42 and the U-shaped groove 521 are at the same horizontal plane. The first loading cylinder 41 controls the loading rod 42 to move horizontally through the O-ring 54, so that the O-ring 54 is sleeved on the loading rod 42. The second loading cylinder 43 returns the loading rod 42 to the highest position to wait for assembly. At the same time, the feeding plate 52 retracts to the lower end of the slide rail 53 under the control of the feeding cylinder 51, so that the lowest O-ring 54 in the slide rail 53 enters the U-shaped groove 521, and the above feeding process is repeated.

[0052] The pipe 33 enters the loading area, and the turntable 2 rotates to allow the pipe station 3 to enter the loading area. The third driver 71 in the limiter 7 controls the limit rod 73 to contact the upper surface of the pipe 33, so that the pipe 33 is confined in the second groove 320. The vertical cylinder 61 in the diverter 6 below the loading area controls the steering assembly to rise, so that the protrusion 64 on the surface of the steering head 63 enters the third groove 322 of the station disk 32 and lifts the station disk 32 upward. At this time, the limit rod 73 above the pipe 33 retracts. Under the action of the spring 72, the limit rod 73 always contacts the pipe 33.

[0053] During the assembly process, the first loading cylinder 41 in the loading device 4 controls the loading rod 42 to extend into the port of the pipe fitting 33, and installs the O-ring 54 into the pipe fitting 33. The loading device 4 repeats the above-mentioned material-taking process to obtain the O-ring 54. At the same time, the second driver 62 in the steering assembly controls the steering head 63 to rotate. With the cooperation of the boss 64 and the third groove 322, the work station 32 rotates until the other port of the pipe fitting 33 is aligned with the loading rod 42. The loading rod 42 is assembled again. The above process is repeated until all ports of the pipe fitting 33 have been assembled. Then the steering assembly controls the work station 32 to return to the initial state, and lowers the work station 32 to return it to the first groove 310 of the base 31. The limiter 7 releases the restriction on the pipe fitting 33, and the turntable 2 rotates to allow the next pipe fitting station 3 to enter the loading area. The above process is repeated to assemble the pipe fitting 33.

[0054] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Those skilled in the art will understand that the present invention includes, but is not limited to, the contents described in the drawings and the above specific embodiments. Any modifications that do not deviate from the functional and structural principles of the present invention are intended to be included within the scope of the claims.

Claims

1. An automatic assembly mechanism for O-rings for compression-type pipe fittings, comprising a feeding device, a loading device, and a pipe fitting station, characterized in that: The feeding device is provided with a feeding plate and a feeding cylinder, and the feeding cylinder drives the feeding plate to reciprocate toward the feeding device. The feeding device is provided with a feeding rod and a first feeding cylinder, and the first feeding cylinder drives the feeding rod to reciprocate toward the pipe fitting station. A steering gear for rotating the pipe fitting is provided under the pipe fitting station, and the feeding plate pushes the O-ring to the feeding rod, and the feeding rod presses the O-ring into the inside of the pipe fitting. The steering gear rotates the pipe fitting station to install the other end, and the feeding device is provided with a slide rail for sliding the O-ring, and the slide rail is vertically divided The slide rail includes a lower port, and the end of the feed plate is provided with a U-shaped groove for accommodating an O-ring. The notch of the U-shaped groove corresponds to the lower port of the slide rail, and the U-shaped groove leaves the lower port of the slide rail. At this time, the upper side of the feed plate will block the lower port of the slide rail. The pipe station includes a base and a station disk, and the base is provided with a first groove for accommodating the station disk, and the station disk is provided with a second groove for accommodating the pipe fitting. The station disk is provided with a stop block, and when the station disk is installed on the base, the stop block cooperates with the first groove to limit the rotation of the station disk.

2. The automatic assembly mechanism for O-rings for press-fit pipe fittings according to claim 1, characterized in that: The O-ring automatic assembly mechanism also includes a storage barrel for providing O-rings for the feeding device. The storage barrel is provided with a discharge port. The slide rail also includes an upper port, and the discharge port is connected to the upper port.

3. The automatic assembly mechanism for O-rings for press-fit pipe fittings according to claim 1, characterized in that: The O-ring automatic assembly mechanism further comprises a turntable, at least two pipe fitting stations are provided at the edge of the turntable, and the turntable is provided with a first driver for driving the turntable to rotate.

4. The automatic assembly mechanism for O-rings for press-fit pipe fittings according to claim 3, characterized in that: A fixed disk is provided on the turntable, and the fixed disk does not rotate with the turntable. A limiter for limiting the pipe fitting from leaving the pipe fitting station is provided on the fixed disk.

5. The automatic assembly mechanism for O-rings for press-fit pipe fittings according to claim 4, characterized in that: The limiter includes a limit rod. When the feeding device installs the O-ring, the limit rod pushes the pipe downward. The limit rod is provided with a spring for maintaining the limit rod in contact with the pipe.

6. The automatic assembly mechanism for O-rings for press-fit pipe fittings according to claim 1, characterized in that: The feeding device is also provided with a second feeding cylinder and a connecting plate, the second feeding cylinder drives the connecting plate to reciprocate in the vertical direction, the first feeding cylinder and the feeding rod are installed on the connecting plate, and the connecting plate drives the first feeding cylinder and the feeding rod to move.

7. The automatic assembly mechanism for O-rings for press-fit pipe fittings according to claim 1, characterized in that: The steering gear includes a vertical cylinder and a steering assembly. The vertical cylinder drives the steering assembly to reciprocate in the vertical direction. The steering assembly includes a second driver and a steering head. The steering head is provided with a convex column, and the work station is provided with a third groove corresponding to the convex column.

8. The automatic assembly mechanism for O-rings for press-fit pipe fittings according to claim 1, characterized in that: The pipe fitting comprises at least two ports, and the ports are provided with assembly grooves for installing sealing rings, and the inner diameter of the assembly groove is larger than the inner diameter of the ports.

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