Valve string assembling auxiliary device

Abstract

The utility model discloses an auxiliary device for valve string assembly, which relates to the technical field of valve string assembly, and comprises a U-shaped support frame, a central positioning mechanism and an auxiliary clamping mechanism, two sides of the support frame are symmetrically and rotatably connected with two lifting screw rods, a lifting plate is arranged at an opening of the support frame, and the lifting plate is connected with the central positioning mechanism and the auxiliary clamping mechanism. The two ends of a lifting plate are in threaded connection with the two lifting screw rods; the center positioning mechanism is arranged on the opposite end faces of the lifting plate and the supporting frame. When all valve string devices are continuously assembled, one device can be placed on the supporting plate, the next device is placed on the lower side of the lifting plate, then the second motor is started, the positioning plates are driven by the second motor to rotate and get close to each other, the devices are positioned at the center positions of the supporting plate and the lifting plate, and the centers of the devices are automatically aligned. Therefore, the centers of devices with different sizes can be aligned, the assembly is more convenient and stable, and the assembly precision is improved.

Description

Technical Field

[0001] This utility model belongs to the field of valve string assembly technology, and specifically relates to a valve string assembly auxiliary device. Background Technology

[0002] A valve string typically refers to a series of valves installed sequentially to reduce the effects of pressure waves and protect system components. These valves can be operated individually or combined as needed to meet different system requirements. A valve string generally includes a series of components such as a valve seat, valve stem, valve sleeve, and piston. When assembling the valve string components, the valve sleeve is usually the center point, and the remaining components are then assembled inside the valve sleeve, with the upper components positioned relative to the lower components.

[0003] Traditional assembly methods typically rely on manual operation, which is not only inefficient but also susceptible to human error, leading to inconsistent assembly accuracy. Since the components in a valve string vary in size, it is difficult to ensure center alignment during manual assembly, thus affecting the overall assembly accuracy and stability. Furthermore, existing assembly equipment also has structural design flaws; for example, some equipment lacks effective centering capabilities, causing components to easily shift during assembly. This shift not only increases the difficulty of assembly but may also lead to performance instability in the assembled valve string during use. Therefore, this paper proposes a valve string assembly auxiliary device to address these issues. Utility Model Content

[0004] To address the problems existing in the prior art, this utility model provides a valve string assembly auxiliary device that can automatically clamp and fix the valve string components to be assembled, and achieve automatic center alignment of the valve string components, thereby improving assembly accuracy.

[0005] The solution adopted by this utility model to solve its technical problem is: a valve string assembly auxiliary device, including a U-shaped support frame, a central positioning mechanism, and an auxiliary clamping mechanism. Two lifting screws are symmetrically rotatably connected to both sides of the support frame. A lifting plate is provided at the opening of the support frame, and the two ends of the lifting plate are threaded to the two lifting screws. The central positioning mechanism is set on the opposite end face of the lifting plate and the support frame, including a second motor installed on the lifting plate and the support frame. A first spur gear is fixedly fitted at the output end of the second motor, and the first spur gear is located at the center position of the support frame and the lifting plate. Four rotating shafts are rotatably fitted around the first spur gear on the outer end face of the lifting plate and the support frame. A second spur gear is fixedly fitted at the outer end of the rotating shaft, and the four second spur gears mesh with the first spur gear respectively. A positioning plate is fixedly connected to the inner end of the rotating shaft. The inner end of the positioning plate is fixed on the rotating shaft, and the outer end is free to move.

[0006] Furthermore, two longitudinal sliding grooves are provided on both sides of the support frame, and U-shaped sliders are slidably connected in the sliding grooves. The auxiliary clamping mechanism includes two reinforcing plates symmetrically arranged on both sides of the support frame. Threaded holes and through holes are respectively provided at both ends of the sliders. A reinforcing screw is threadedly connected in the threaded hole. The inner end of the reinforcing screw is rotatably connected to the reinforcing plate. A limiting rod is movably fitted in the through hole. The inner end of the limiting rod is fixed to the reinforcing plate.

[0007] Furthermore, two first motors are fixedly connected to the outer side of the support frame. The output end of the first motor is fixedly connected to the end of the corresponding lifting screw, which is used to drive the two lifting screws to rotate synchronously.

[0008] Furthermore, the surface of the support frame is evenly provided with multiple slots along the sliding groove direction, and a plug rod is movably inserted into the slot. One side of the slider is provided with a socket that matches the slot, and the inner end of the plug rod can be inserted into the socket.

[0009] Furthermore, the inner side of the positioning plate is provided with a plurality of fixing grooves along the extension direction of the positioning plate, and a suction cup is fixedly connected in the fixing groove.

[0010] Furthermore, rotating rods are rotatably connected to the four corners of the support frame, and mounting plates are fixedly connected to the outer ends of the rotating rods.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] This invention, by setting up a lifting screw, a lifting plate, a first spur gear, a second spur gear, and a positioning plate, allows for the continuous assembly of various valve string components. One component can be placed on the support plate, and the next component on the underside of the lifting plate. Then, the second motor is started, which drives the positioning plates to rotate and move closer together. The positioning plates can position the components at the center of the support plate and the lifting plate, so that their centers are automatically aligned. Then, the lifting screw drives the components on the underside of the lifting plate to move close to the components on the upper side of the support plate, and then the components are connected. This allows components of different sizes to be aligned, making assembly more convenient and stable, and improving assembly accuracy.

[0013] By setting up a slider, a reinforcing screw, and a reinforcing plate, the slider can be pulled to move the reinforcing plate to the position of the component to be assembled. Then, the reinforcing screw is rotated to move the reinforcing plate to further fix the component, thereby improving the stability of the valve string components during assembly. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the vertical structure of this utility model;

[0015] Figure 2This is a schematic diagram of the flat structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the central positioning mechanism of this utility model;

[0017] Figure 4 This is a schematic diagram of the auxiliary clamping mechanism of this utility model;

[0018] Figure 5 This is a schematic diagram of the positioning plate structure of this utility model.

[0019] In the diagram: 1. Support frame; 2. Lifting screw; 3. Lifting plate; 4. First motor; 5. Second motor; 6. First spur gear; 7. Second spur gear; 8. Positioning plate; 9. Slide groove; 10. Slider; 11. Reinforcing screw; 12. Reinforcing plate; 13. Limiting rod; 14. Limiting plate; 15. Fixing groove; 16. Suction cup; 17. Slot; 18. Insert rod; 19. Rotating rod; 20. Mounting plate; 21. Rotating shaft; 22. Pad; 23. Threaded hole; 24. Through hole. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please see Figure 1-5 This utility model provides a technical solution for a valve string assembly auxiliary device: Example

[0022] according to Figure 1 and Figure 2 As shown, it includes a U-shaped support frame 1 and a central positioning mechanism. Two lifting screws 2 are symmetrically rotatably connected to both sides of the support frame 1. A lifting plate 3 is provided at the opening of the support frame 1. The two ends of the lifting plate 3 are threaded to the two lifting screws 2, and the lifting plate 3 and the support frame 1 are slidably connected. Two first motors 4 are fixedly connected to the outer side of the support frame 1. The output end of the first motor 4 is fixedly connected to the end of the corresponding lifting screw 2, which is used to drive the lifting screw 2 to rotate, thereby driving the lifting plate 3 to move up and down within the support frame 1.

[0023] like Figure 3As shown, the central positioning mechanism includes a second motor 5, a first spur gear 6, a second spur gear 7, and a positioning plate 8. A motor frame is fixedly welded to the outer end face of the lifting plate 3 and the support frame 1, respectively. The second motor 5 is fixedly connected inside the motor frame. The first spur gear 6 is fixedly mounted on the output end of the second motor 5, and the first spur gear 6 is located at the center position of the support frame 1 and the lifting plate 3. Four rotating shafts 21 are rotatably mounted around the first spur gear 6 on the outer end face of the lifting plate 3 and the support frame 1. The four rotating shafts 21 form a square structure. The second spur gear 7 is fixedly mounted on the outer end of the rotating shaft 21, and the four second spur gears 7 mesh with the first spur gear 6 respectively. The positioning plate 8 is fixedly connected to the inner end of the rotating shaft 21. The inner end of the positioning plate 8 is fixed on the rotating shaft 21, and the outer end is free to move. The support frame 1 and the lifting plate 3 are rotatably connected to the four positioning plates 8 on them through the rotating shaft 21.

[0024] By setting up a lifting screw 2, a lifting plate 3, a first spur gear 6, a second spur gear 7, and a positioning plate 8, during the assembly of each component, one component can be placed inside the support frame 1, and the next component can be placed under the lifting plate 3. Then, the two second motors 5 are started, which drive the outer ends of the positioning plates 8 to rotate closer to each other. Through the mutual pushing action of the four positioning plates 8, the components can be positioned at the center position of the support frame 1 and the lifting plate 3, so that the components can be automatically aligned. Then, the first motor 4 controls the lifting screw 2 to rotate, driving the lifting plate 3 to move downward, so that the components fixed on the lifting plate 3 move to be close to the components fixed on the support frame 1, and then the components can be connected. This makes it easy to center-align components of different sizes, making assembly more convenient and stable, and improving the practicality of the device.

[0025] like Figure 1 and Figure 4 As shown, it also includes an auxiliary clamping mechanism. Two longitudinal grooves 9 are provided on both sides of the lifting screw 2 on the support frame 1. A slider 10 is slidably connected in the grooves 9. The slider 10 has a U-shaped structure and a reinforcing plate 12 is provided on the inner side of the slider 10. The reinforcing plates 12 on both sides of the support frame 1 are symmetrically arranged. A threaded hole 23 and a through hole 24 are respectively provided at both ends of the slider 10. A reinforcing screw 11 is threadedly connected in the threaded hole 23. The inner end of the reinforcing screw 11 is rotatably connected to the reinforcing plate 12. A limiting rod 13 is movably fitted in the through hole 24. The inner end of the limiting rod 13 is fixed to the reinforcing plate 12. A limiting plate 14 is fixed at the outer ends of both the reinforcing screw 11 and the limiting rod 13.

[0026] By configuring the slider 10, reinforcing screw 11, and reinforcing plate 12, when positioning the valve string assembly components, the slider 10 is pulled up and down within the slide groove 9, allowing it to move the reinforcing plate 12 to the position of the component to be assembled. Then, the reinforcing screw 11 is rotated, causing the reinforcing plate 12 to move inward to a position that contacts and clamps the component. The reinforcing plate 12 further clamps and fixes the component, making the assembly more stable and improving the stability of the device. During the inward movement of the reinforcing plate 12 to prepare to clamp the valve string components, the limiting rod 13 further restricts the movement direction of the reinforcing plate 12, and the limiting plate 14 further restricts the range of motion of the limiting rod 13 and the reinforcing screw 11, thereby making the movement of the reinforcing plate 12 more stable.

[0027] like Figure 1 and Figure 4 As shown, multiple slots 17 are evenly provided on the surface of the support frame 1 along the direction of the slide groove 9. A plug rod 18 is movably inserted into the slot 17. A socket matching the slot 17 is provided on one side of the slider 10. The inner end of the plug rod 18 can be inserted into the socket. By setting the slots 17, plug rod 18 and socket, after the slider 10 slides to the specified height, the position of the slider 10 can be fixed by inserting the plug rod 18 into the slots 17 and socket. This further restricts the position of the slider 10 and the reinforcing plate 12, accurately corresponds to the position of the device to be assembled, and provides a stable clamping force for it.

[0028] like Figure 1 As shown, rotating rods 19 are rotatably connected to the four corners of the outer sides of the support frame 1. The outer ends of the rotating rods 19 are fixedly connected to mounting plates 20. The mounting plates 20 are used to install the support frame 1 in a designated position by bolts. By setting the mounting plates 20 and the rotatable rotating rods 19, the support frame 1 can change its installation direction by rotating the mounting plates 20, thereby adjusting the working state of the support frame 1. This allows the user to easily choose vertical or horizontal installation according to the usage situation. A pad 22 is installed at the bottom of the support frame 1. The pad 22 provides support for the equipment when the equipment is in a vertical working state.

[0029] Working principle: When assembling the various components of the valve string, first place the previous valve string component inside the support frame 1, and place the next component under the lifting plate 3. Then, start the two second motors 5. The second motors 5 drive the first spur gear 6 to rotate. The meshing force between the first spur gear 6 and the four second spur gears 7 drives the four rotating shafts 21 to rotate synchronously. This, in turn, drives the four positioning plates 8 to rotate closer to each other. The positioning plates 8 position the components at the center of the support frame 1 and the lifting plate 3 to ensure center alignment. Then, control the two... The first motor 4 operates synchronously, driving the lifting screw 2 to rotate. The lifting screw 2 drives the lifting plate 3 to move downward, so that the device fixed on the lifting plate 3 moves to a position close to the device inside the support frame 1. Then, the slider 10 is moved to a suitable position so that the reinforcing plate 12 corresponds to the valve string device. Then, the insertion rod 18 is inserted into the slot 17 and the insertion hole on the slider 10. Next, the reinforcing screw 11 is rotated, which drives the reinforcing plate 12 to move inward and close to the clamping device, thereby further limiting the position of the device. Finally, the device is connected and assembled. Example

[0030] Based on Example 1, such as Figure 5 As shown, multiple fixing slots 15 are provided on the inner side of the positioning plate 8 along the extension direction of the positioning plate 8. A suction cup 16 is fixedly connected in the fixing slot 15. By setting the fixing slot 15 and the suction cup 16, when the positioning plate 8 is rotated to the position for clamping and fixing the device, one or more suction cups 16 on the positioning plate 8 will stick to the device and thus be adsorbed on the device, making the device more stable.

[0031] The above description is only a preferred embodiment of the present utility model and does not limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A valve string assembly auxiliary device, comprising a U-shaped support frame (1), a central positioning mechanism, and an auxiliary clamping mechanism, characterized in that: The support frame (1) has two lifting screws (2) symmetrically rotatably connected on both sides. A lifting plate (3) is provided at the opening of the support frame (1). The two ends of the lifting plate (3) are threaded to the two lifting screws (2). The central positioning mechanism is set on the opposite end face of the lifting plate (3) and the support frame (1). It includes a second motor (5) installed on the lifting plate (3) and the support frame (1). A first flat gear (6) is fixedly fitted at the output end of the second motor (5). The first flat gear (6) is located at the center position of the support frame (1) and the lifting plate (3). Four rotating shafts (21) are rotatably fitted around the first flat gear (6) on the outer end face of the lifting plate (3) and the support frame (1). A second flat gear (7) is fixedly fitted at the outer end of the rotating shaft (21). The four second flat gears (7) mesh with the first flat gear (6) respectively. A positioning plate (8) is fixedly connected to the inner end of the rotating shaft (21). The inner end of the positioning plate (8) is fixed on the rotating shaft (21), and the outer end is free to move.

2. The valve string assembly auxiliary device according to claim 1, characterized in that: The support frame (1) has two longitudinal grooves (9) on both sides. A U-shaped slider (10) is slidably connected in the groove (9). The auxiliary clamping mechanism includes two reinforcing plates (12) symmetrically arranged on both sides of the support frame (1). A threaded hole (23) and a through hole (24) are respectively opened at both ends of the slider (10). A reinforcing screw (11) is threaded in the threaded hole (23). The inner end of the reinforcing screw (11) is rotatably connected to the reinforcing plate (12). A limiting rod (13) is movably fitted in the through hole (24). The inner end of the limiting rod (13) is fixed on the reinforcing plate (12).

3. The valve string assembly auxiliary device according to claim 1, characterized in that: Two first motors (4) are fixedly connected to the outer side of the support frame (1). The output end of the first motor (4) is fixedly connected to the end of the corresponding lifting screw (2) to drive the two lifting screws (2) to rotate synchronously.

4. The valve string assembly auxiliary device according to claim 2, characterized in that: The surface of the support frame (1) is evenly provided with multiple slots (17) along the direction of the slide groove (9). A plug rod (18) is movably inserted into the slot (17). A plug hole matching the slot (17) is provided on one side of the slider (10). The inner end of the plug rod (18) can be inserted into the plug hole.

5. The valve string assembly auxiliary device according to claim 1, characterized in that: The inner side of the positioning plate (8) is provided with a plurality of fixing grooves (15) along the extension direction of the positioning plate (8), and a suction cup (16) is fixedly connected in the fixing groove (15).

6. The valve string assembly auxiliary device according to claim 1, characterized in that: The four corners of the support frame (1) are rotatably connected to rotating rods (19), and the outer ends of the rotating rods (19) are fixedly connected to mounting plates (20).

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