Detection mechanism and valve assembling and machining equipment and method

Abstract

The invention belongs to the technical field of valve assembly, particularly relates to a detection mechanism and a valve assembly machining device and method, and aims to solve the problems that the existing fastened contact surface of a valve cover and a valve body is different in stress and a nut needs to be manually sleeved on a thread and then fastening operation is carried out. A lifting plate is arranged above the bottom plate, a concentric-square-shaped plate is arranged below the lifting plate, a plurality of hexagonal sleeves and pressing rods are arranged below the concentric-square-shaped plate, and the hexagonal sleeves are used for being matched with countersunk heads of countersunk bolts; according to the invention, when the valve body and the valve cover are assembled, it is ensured that the pressure values of the two attached surfaces of the valve body and the valve cover are the same, the sealing performance between the valve body and the valve cover is ensured, the sealing performance between the valve body and the valve cover is ensured, and the sealing performance between the valve body and the valve cover is ensured. In addition, by synchronously completing the screwing operation of a plurality of countersunk bolts and hexagon nuts, the adding operation of the hexagon nuts is automatically completed.

Description

Technical Field

[0001] The present invention relates to the technical field of valve assembly, and in particular to a detection mechanism and valve assembly processing equipment and method. Background Art

[0002] The flat gate valve is a sliding valve with a parallel gate as the closing part. The closing part can be a single gate or a double gate with a propping mechanism in between. The pressing force of the gate to the valve seat is controlled by the medium pressure acting on the floating gate or floating valve seat. The flat gate valve can be divided into manual flat gate valve, pneumatic flat gate valve and electric flat gate valve according to the driving mode. After the flat gate valve is processed, the valve stem, valve disc and other components need to be assembled with the valve cover, and then the assembled valve cover is installed on the valve body, and the valve cover and the valve body are fastened by bolts and nuts.

[0003] However, there are still the following deficiencies in the process of fastening the valve cover and the valve body: 1. In the prior art, when tightening bolts to fasten the valve cover and the valve body, the bolts are mostly tightened manually using a bolt gun. However, during the tightening process, multiple bolts are tightened one by one, which results in different pressures on the contact surface between the valve cover and the valve body after tightening, which easily affects the sealing between the valve cover and the valve body during later use. 2. During the manual tightening process, it is generally necessary to put a manual nut on the thread and then perform the tightening operation. This method not only increases the workload of the staff, but also affects the assembly efficiency in the later stage.

[0004] In view of the above problems, the present invention document proposes a detection mechanism and a valve assembly processing equipment and method. Summary of the invention

[0005] The purpose of the present invention is to solve the shortcomings of the existing valve cover and valve body contact surface after tightening, such as different pressure strength and the need to manually put a nut on the thread for tightening, and to propose a detection mechanism and valve assembly processing equipment and method.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions: A detection mechanism comprises a bottom plate, a lifting plate is arranged above the bottom plate, a return plate is arranged below the lifting plate, a plurality of hexagonal sleeves and a pressure rod are arranged below the return plate, and the hexagonal sleeves are used to cooperate with the countersunk head of the countersunk bolt; It also includes two U-shaped plates located above the bottom plate, and a plurality of pressure sensors are provided above the two U-shaped plates. The pressure sensors cooperate with adjacent pressure rods to detect the pressure value between the two surfaces of the valve body and the valve cover that are in contact with each other. A tightening structure for automatically tightening the countersunk bolts and the hexagonal nuts is provided between the return plate and the two U-shaped plates; A plurality of detection structures are provided between the return plate and the two U-shaped plates, for detecting the pressure value between the valve body and the valve cover when tightening the countersunk bolts and the hexagonal nuts; Two sets of automatic filling structures are respectively arranged on two U-shaped plates, and are used to automatically add hexagonal nuts to the U-shaped plates. The automatic filling structures include multiple hexagonal placement tubes located on the top of the U-shaped plates, which are used to hold multiple hexagonal nuts placed vertically.

[0007] In a possible design, the tightening structure includes multiple driving motors fixed on the top of the U-shaped plate, and the output shafts of the multiple driving motors are fixed with rotating shafts through couplings. The bottom ends of the multiple rotating shafts rotate through the U-shaped plate and are fixedly connected to the tops of the corresponding hexagonal sleeves. The tops of the two U-shaped plates are provided with multiple hexagonal grooves, and the hexagonal grooves are used to place hexagonal nuts. The hexagonal grooves and hexagonal sleeves correspond to the positions of the countersunk bolts on the valve body and the valve cover. Two vertical plates are fixed on the top of the bottom plate, and cylinders are fixedly penetrated inside the two vertical plates. The output shafts of the two cylinders are fixed with moving seats, and the moving seats slide on the top of the bottom plate. The bottoms of the two U-shaped plates are fixed with sliding plates, and the sliding plates are slidably arranged in the moving seats. The two moving seats are provided with clearance grooves. Two trapezoidal plates are fixed on the top of the base plate, and the trapezoidal plates cooperate with the sliding plate to drive the U-shaped plate to move up and fit the edge bottom of the valve body; the two cylinders respectively drive the two moving seats to move toward the middle, and the two U-shaped plates just complete the clamping of the valve body, and when the moving seat moves, the U-shaped plate is located below the countersunk bolt. When the moving seat moves to the position of the trapezoidal plate, the sliding plate pushes the sliding plate and the U-shaped plate to move up under the action of the trapezoidal plate. At this time, the U-shaped plate can push multiple countersunk bolts upward, and the bottom end of the countersunk bolt just extends into the threaded hole in the hexagonal nut in the hexagonal groove, and the U-shaped plate can contact the bottom of the edge of the valve body, and the lifting plate and the return plate move down until the hexagonal sleeve is sleeved on the countersunk outer wall of the countersunk bolt. As the driving motor drives the rotating shaft and the hexagonal sleeve to rotate, the countersunk bolt and the adjacent hexagonal nut can be tightened.

[0008] In a possible design, the detection structure includes a guide rod that slides through the return plate, a slide plate is fixed to the bottom end of the guide rod, the slide plate is sleeved on the outer wall of the rotating shaft and is located above the hexagonal sleeve, electromagnets are fixed on both sides of the bottom of the slide plate for adsorbing the slide plate to the top of the valve cover, the hexagonal sleeve is located between the two electromagnets, the bottom of the slide plate is fixedly connected to the top of the pressure rod, a fixing rod is fixed to the top of the U-shaped plate, and the pressure sensor is fixedly embedded in the top of the fixing rod; the lifting plate and the return plate move downward until the hexagonal sleeve is sleeved on the outer wall of the countersunk head of the countersunk bolt, and the electromagnet is energized to magnetically attract the valve body The force can make the slide plate be stably placed on the valve body, and the bottom end of the pressure rod just contacts the adjacent pressure sensor. When the countersunk bolt is tightened, the valve cover generates a downward extrusion force on the valve body under the action of the countersunk head of the countersunk bolt, and the valve cover moves downward, and the pressure rod moves downward synchronously under the action of the electromagnet. The pressure sensor can detect the extrusion force of the pressure rod in real time, and adjust the extrusion of the corresponding countersunk bolt on the valve cover according to the detected data, and then detect the pressure at different positions of the contact surface between the valve body and the valve cover, to ensure that the contact surface between the valve cover and the valve body is evenly pressurized, making the two combined more stable and tight, and further ensuring the sealing between the valve body and the valve cover.

[0009] In a possible design, the automatic filling structure also includes a U-shaped seat fixedly sleeved on the outer wall of a plurality of hexagonal placement cylinders, the bottom ends of the plurality of hexagonal placement cylinders are slidably matched with the top of the U-shaped plate, the positions of the plurality of hexagonal placement cylinders are arranged to correspond to the plurality of hexagonal grooves, and are used to arrange the hexagonal nuts in the hexagonal placement cylinders into the hexagonal grooves, and the U-shaped plate is provided with two track grooves, and the two track grooves are slidably connected with sliding seats, the top ends of the two sliding seats are fixedly connected to the bottom of the U-shaped seat, and the two sliding seats are fixed with the same one on one side close to the vertical plate. The U-shaped plate is a vertical plate having two fixed horizontal plates on one side, and the two horizontal plates are slidably connected to the connecting plate. When the sliding plate and the U-shaped plate are moved upward by the trapezoidal plate to complete the initial docking of the hexagonal nut and the countersunk bolt, the U-shaped plate synchronously drives the U-shaped seat to move upward, so that the hexagonal placement tube is always in contact with the top of the U-shaped plate. When the cylinder drives the moving seat to reset, when the hexagonal placement tube is in contact with the hexagonal groove, the hexagonal nut at the bottom of the hexagonal placement tube moves into the hexagonal groove under the action of gravity, automatically completing the filling operation, which is convenient for the subsequent automatic tightening work.

[0010] In a possible design, the two U-shaped plates are arranged in a staggered manner with respect to the track groove to prevent the hexagonal nut in the hexagonal placement tube from falling into the track groove.

[0011] The valve assembly and processing equipment includes the above-mentioned detection mechanism, and also includes a groove arranged on the top of the base plate, and the groove is located between the two movable seats, the two trapezoidal plates are respectively located on both sides of the groove, a conveyor belt is provided in the groove for conveying the valve body and the valve cover, a support plate is fixed in the groove, and the support plate passes through the conveyor belt for supporting the valve body and the valve cover placed on the conveyor belt.

[0012] In a possible design, a gantry is fixed to the top of the base plate, and the conveyor belt passes through the gantry, and two rectangular grooves are provided on one side of the gantry, in which a sliding rod slidably connected to the lifting plate is fixed in one of the rectangular grooves, and a threaded rod threadedly connected to the lifting plate is rotatably connected in the other rectangular groove, and a plurality of connecting rods are fixed to the bottom of the lifting plate, and the bottom ends of the plurality of connecting rods are fixedly connected to the top of the return plate; through the cooperation between the threaded rod and the lifting plate, when the motor drives the threaded rod to rotate, the lifting plate can be driven to rise and fall, which is convenient for the hexagonal socket to be sleeved on the countersunk head of the countersunk bolt.

[0013] In a possible design, a position sensor is fixed to the bottom of the lifting plate to detect the moving position of the valve cover.

[0014] In a possible design, the inner walls on both sides of the U-shaped plate that are away from each other are provided with guiding inclined surfaces for regularizing the position of the valve body, and the inner wall on the side of the U-shaped plate that is away from the groove is provided with a sliding groove, and a plurality of springs are fixed to the inner wall on one side of the sliding groove, and the same extrusion plate is fixed to one end of the plurality of springs, and the extrusion plate is slidably arranged in the U-shaped plate, and the cooperation between the spring and the extrusion plate is used to clamp the valve body; when the two U-shaped plates move toward the middle, the guiding inclined surfaces can guide the valve body to complete the regularization of the valve body position, and clamp the valve body with the two U-shaped plates, and the cooperation between the extrusion plate and the spring can clamp the valve body, thereby ensuring the stability of the valve body during the tightening of the countersunk bolts and the hexagonal nuts.

[0015] In this application, the method for using the valve assembly processing equipment includes the following steps: S1. Place the valve cover on the top of the valve body, penetrate the two with countersunk bolts, and place it on the conveyor belt for subsequent tightening; S2. The conveyor belt conveys the valve body to the U-shaped plate, and the position sensor detects and stops the conveying; the cylinder drives the moving seat to drive the U-shaped plate to clamp the valve body. At the same time, the U-shaped plate moves upward under the action of the trapezoidal plate, pushing the countersunk bolt into the threaded hole of the hexagonal nut, and the U-shaped plate contacts the bottom of the valve body; S3. When the U-shaped plate moves, the guiding slope adjusts the position of the valve body, and the extrusion plate cooperates with the spring to ensure the stability of the valve body; S4, the motor drives the threaded rod to rotate, driving the lifting plate and the return plate to move downward, so that the hexagonal sleeve covers the countersunk bolt; the electromagnet is energized to stabilize the position of the slide plate, and the drive motor drives the hexagonal sleeve to rotate and tighten the bolt; the pressure rod and the pressure sensor cooperate to detect the pressure in real time to ensure that the contact surface between the valve cover and the valve body is evenly pressurized to ensure sealing; S5. After tightening, the lifting plate drives the valve body to move upward, and the hexagonal nut is separated from the hexagonal groove; the cylinder resets the moving seat, and the lifting plate re-places the valve body on the conveyor belt, which is transported to the next process; when the U-shaped plate is reset, the hexagonal nut in the hexagonal placement tube automatically falls into the hexagonal groove, completing the packing and preparing for the next round of tightening.

[0016] Beneficial effect: In the present invention, the bottom ends of the plurality of rotating shafts are all rotated to penetrate the return plate and are all fixedly connected to the top of the corresponding hexagonal sleeve, the tops of the two U-shaped plates are each provided with a plurality of hexagonal grooves, the bottom of the U-shaped plate is fixed with a sliding plate slidably arranged in a moving seat, and the top of the bottom plate is fixed with two trapezoidal plates; the two moving seats move toward the middle, and the sliding plate pushes the sliding plate and the U-shaped plate upward under the action of the trapezoidal plate, so that a plurality of countersunk bolts can be pushed upward, and the bottom ends of the countersunk bolts just extend into the threaded holes in the hexagonal nuts in the hexagonal grooves, the lifting plate and the return plate move downward, and then the driving motor drives the rotating shaft and the hexagonal sleeve to rotate, so that the countersunk bolts and the adjacent hexagonal nuts can be tightened, and the tightening operation is automatically completed, which greatly improves the assembly efficiency; In the present invention, a slide plate is fixed to the bottom end of the guide rod, electromagnets are fixed to both sides of the bottom of the slide plate, the bottom of the slide plate is fixedly connected to the top of the pressure rod, a fixing rod is fixed to the top of the U-shaped plate, and the pressure sensor is fixedly embedded in the top of the fixing rod; the magnetic attraction of the electromagnet on the valve body can stably place the slide plate on the valve body, when the countersunk bolt is tightened, the valve cover moves downward, and the pressure rod squeezes the pressure sensor under the action of the electromagnet, so that the pressure can be detected at different positions of the contact surface between the valve body and the valve cover, thereby ensuring the sealing between the valve body and the valve cover; In the present invention, the fixed sleeves on the outer walls of the plurality of hexagonal placing tubes are provided with the same U-shaped seat, the U-shaped plate and the U-shaped seat are slidably connected via a track groove and a sliding seat, one side of the two sliding seats is fixed with the same connecting plate, and the horizontal plate and the vertical plate are slidably connected via two horizontal plates; during the process of the cylinder driving the moving seat to reset, when the hexagonal placing tube fits with the hexagonal groove, the hexagonal nut located at the bottom layer of the hexagonal placing tube moves into the hexagonal groove under the action of gravity, automatically completing the filling operation, and facilitating the subsequent automatic tightening work.

[0017] In the present invention, when the valve body and the valve cover are assembled, the pressure values ​​of the two surfaces of the valve body and the valve cover that are in contact with each other are ensured to be the same, thereby ensuring the sealing between the valve body and the valve cover. In addition, by synchronously completing the tightening operations of multiple countersunk bolts and hexagonal nuts, the adding operation of the hexagonal nuts is automatically completed, thereby greatly improving the assembly efficiency of the valve body and the valve cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the three-dimensional structure of the valve assembly and processing equipment provided in Example 1 of the present invention; Figure 2 A schematic diagram of a three-dimensional exploded structure of a bottom plate and a conveyor belt of a valve assembly and processing equipment provided in Example 1 of the present invention; Figure 3 A schematic diagram of the three-dimensional structure of a base plate, a movable seat and a valve body of the valve assembly and processing equipment provided in Example 1 of the present invention; Figure 4 A schematic diagram of the three-dimensional structure of a moving seat, a U-shaped plate and a U-shaped seat of the valve assembly and processing equipment provided in Example 1 of the present invention; Figure 5 A schematic diagram of a three-dimensional exploded cross-sectional structure of a moving seat and a sliding plate of a valve assembly processing equipment provided in Example 1 of the present invention; Figure 6 A schematic diagram of a three-dimensional exploded structure of a U-shaped plate, a U-shaped seat and a connecting plate of the valve assembly processing equipment provided in Example 1 of the present invention; Figure 7 A schematic diagram of a three-dimensional exploded structure of a gantry, a lifting plate and a return plate of the valve assembly and processing equipment provided in Example 1 of the present invention; Figure 8 A schematic diagram of the three-dimensional structure of the cooperation between the pressure rod and the fixing rod of the valve assembly processing equipment provided in Example 1 of the present invention; Fig. 9 A schematic diagram of a three-dimensional exploded structure of a pressure rod, an electromagnet and a fixing rod of a valve assembly and processing equipment provided in Example 1 of the present invention; Fig.10 This is a partial cross-sectional structural schematic diagram of a U-shaped plate of the valve assembly processing equipment provided in Example 2 of the present invention.

[0019] In the figure: 1, bottom plate; 2, groove; 3, conveyor belt; 4, support plate; 5, valve body; 6, valve cover; 7, countersunk bolt; 8, vertical plate; 9, cylinder; 10, moving seat; 11, U-shaped plate; 12, hexagonal groove; 13, track groove; 14, horizontal plate; 15, connecting plate; 16, sliding seat; 17, U-shaped seat; 18, hexagonal placement cylinder; 19, hexagonal nut; 20, sliding plate; 21, clearance groove; 22, trapezoidal plate; 23 , gantry; 24, rectangular groove; 25, threaded rod; 26, sliding rod; 27, lifting plate; 28, position sensor; 29, connecting rod; 30, return plate; 31, rotating shaft; 32, driving motor; 33, hexagonal sleeve; 34, slide plate; 35, guide rod; 36, electromagnet; 37, pressure rod; 38, fixed rod; 39, pressure sensor; 40, guide ramp; 41, sliding groove; 42, spring; 43, extrusion plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] Example 1: Reference Figure 1 , Figure 7 , Figure 8 and Fig. 9 The invention discloses a detection mechanism, which relates to the field of valve assembly technology. The detection mechanism comprises a base plate 1, and a lifting plate 27 which can be lifted and lowered is arranged above the base plate 1. A return plate 30 is connected below the lifting plate 27, and a plurality of hexagonal sleeves 33 and a pressure rod 37 are arranged below the return plate 30. The hexagonal sleeves 33 are specially designed to cooperate with the countersunk part of the countersunk bolt 7 to ensure that the bolt can be accurately tightened.

[0022] Reference Figure 3 , Figure 6 and Fig. 9 Two U-shaped plates 11 are installed above the bottom plate 1. Multiple pressure sensors 39 are installed above the two U-shaped plates 11. These pressure sensors 39 cooperate with the adjacent pressure rods 37 to accurately detect the pressure value between the two surfaces of the valve body 5 and the valve cover 6. In order to ensure that the bolts can be automatically tightened, a special tightening structure is provided between the return plate 30 and the two U-shaped plates 11.

[0023] Reference Figure 3-Figure 8The tightening structure includes a plurality of drive motors 32 fixed on the top of the return plate 30, and the output shaft of each drive motor 32 is connected to a rotating shaft 31 through a coupling. The bottom ends of these rotating shafts 31 rotate through the return plate 30 and are fixedly connected to the top of the corresponding hexagonal sleeve 33. The tops of the two U-shaped plates 11 are provided with a plurality of hexagonal grooves 12, and these hexagonal grooves 12 are used to place hexagonal nuts 19 to ensure that they can properly match with the countersunk bolts 7. In addition, two vertical plates 8 are fixed on the top of the base plate 1, and a cylinder 9 is fixedly passed through each vertical plate 8. The output shafts of the two cylinders 9 are fixed with a moving seat 10, and these moving seats 10 can slide on the top of the base plate 1. A sliding plate 20 is fixed at the bottom of the two U-shaped plates 11, and these sliding plates 20 are slidably set in the moving seat 10. A clearance groove 21 is provided in the two moving seats 10 to ensure that there will be no interference with other components during the movement. Two trapezoidal plates 22 are also fixed on the top of the bottom plate 1 . These trapezoidal plates 22 cooperate with the sliding plate 20 to drive the U-shaped plate 11 to move upward and fit the edge bottom of the valve body 5 under the drive of the cylinder 9 .

[0024] Specifically, when the two cylinders 9 drive the two moving seats 10 to move toward the middle respectively, the two U-shaped plates 11 will complete the clamping of the valve body 5. At this time, the U-shaped plate 11 on the moving seat 10 is located below the countersunk bolt 7. When the moving seat 10 moves to the position of the trapezoidal plate 22, the sliding plate 20 will push the sliding plate 20 and the U-shaped plate 11 upward under the action of the trapezoidal plate 22, so that the U-shaped plate 11 can push the multiple countersunk bolts 7 upward until the bottom end of the countersunk bolt 7 extends into the threaded hole of the hexagonal nut 19 in the hexagonal groove 12. At this time, the U-shaped plate 11 can be tightly in contact with the bottom of the edge of the valve body 5. Then, the lifting plate 27 and the return plate 30 will move down until the hexagonal sleeve 33 is sleeved on the countersunk outer wall of the countersunk bolt 7. Then, the driving motor 32 will drive the rotating shaft 31 and the hexagonal sleeve 33 to rotate, so that the countersunk bolt 7 is tightened with the adjacent hexagonal nut 19.

[0025] Reference Figure 3 , Figure 7 , Figure 8 and Fig. 9In order to ensure that the pressure value between the valve body 5 and the valve cover 6 can be detected in real time during the tightening process, a plurality of detection structures are provided between the return plate 30 and the two U-shaped plates 11. These detection structures include a guide rod 35 that slides through the return plate 30, and a slide plate 34 is fixed to the bottom end of the guide rod 35. The slide plate 34 is sleeved on the outer wall of the rotating shaft 31 and is located above the hexagonal sleeve 33. Electromagnets 36 are fixed on both sides of the bottom of the slide plate 34, and these electromagnets 36 are used to adsorb the slide plate 34 to the top of the valve cover 6. The hexagonal sleeve 33 is located between the two electromagnets 36, and the bottom of the slide plate 34 is fixedly connected to the top of the pressure rod 37. A fixed rod 38 is fixed to the top of the U-shaped plate 11, and a pressure sensor 39 is fixedly embedded in the top of the fixed rod 38.

[0026] Specifically, when the lifting plate 27 and the return plate 30 move down and the hexagonal sleeve 33 is put on, the electromagnet 36 will be energized and generate a magnetic attraction force on the valve cover 6, so that the slide plate 34 is stably placed on the valve cover 6. At this time, the bottom end of the pressure rod 37 will just contact the adjacent pressure sensor 39. As the countersunk bolt 7 is tightened, the valve cover 6 will generate a downward extrusion force on the valve body 5 under the action of the countersunk bolt 7, causing the valve cover 6 to move downward. Since the pressure rod 37 will move downward synchronously under the action of the electromagnet 36, the pressure sensor 39 can detect the extrusion force of the pressure rod 37 in real time. According to the detected data, the degree of extrusion of the corresponding countersunk bolt 7 on the valve cover 6 can be adjusted to ensure that the contact surface of the valve body 5 and the valve cover 6 can be subjected to uniform pressure at different positions. This design can further ensure the stability and tightness of the combination of the valve cover 6 and the valve body 5, and improve the sealing between them.

[0027] Reference Figure 3 , Figure 4 and Figure 6In addition, the detection mechanism also includes two sets of automatic filling structures, which are respectively arranged on the two U-shaped plates 11. These automatic filling structures include a plurality of hexagonal placement tubes 18 located at the top of the U-shaped plate 11, and these hexagonal placement tubes 18 are used to hold a plurality of hexagonal nuts 19 placed vertically. In this way, during the process of tightening the bolts, the hexagonal nuts 19 can be automatically added to the U-shaped plate 11, thereby further improving the work efficiency. The automatic filling structure includes a plurality of hexagonal placement tubes 18 having a fixed sleeve on the outer wall thereof provided with the same U-shaped seat 17. The design of the U-shaped seat 17 ensures the stability of the hexagonal placement tubes 18 during movement. The bottom ends of the plurality of hexagonal placement tubes 18 are slidably matched with the top of the U-shaped plate 11. This sliding fit design allows the U-shaped plate 11 to drive the U-shaped seat 17 and the hexagonal placement tubes 18 therein to move together when moving up and down. At the same time, the positions of the multiple hexagonal placement tubes 18 are arranged to correspond to the multiple hexagonal grooves 12 on the U-shaped plate 11. Such a design ensures that when the hexagonal placement tube 18 moves to fit the hexagonal groove 12, the hexagonal nut 19 in the hexagonal placement tube 18 can be smoothly placed in the hexagonal groove 12. The interior of the U-shaped plate 11 is also provided with two track grooves 13, and the two track grooves 13 are slidably connected with a sliding seat 16. The top of the sliding seat 16 is fixedly connected to the bottom of the U-shaped seat 17, and the two sliding seats 16 are fixed with the same connecting plate 15 on one side close to the vertical plate 8, and two horizontal plates 14 are fixed on one side of the vertical plate 8, and the two horizontal plates 14 are slidably connected with the connecting plate 15. Such a design further enhances the stability of the U-shaped plate 11, the U-shaped seat 17 and the hexagonal placement tube 18 during movement.

[0028] Specifically, when the sliding plate 20 and the U-shaped plate 11 are moved upward by the trapezoidal plate 22 and the initial docking of the hexagonal nut 19 and the countersunk bolt 7 is completed, the U-shaped plate 11 will synchronously drive the U-shaped seat 17 to move upward. Due to the fixed connection between the U-shaped seat 17 and the hexagonal placement tube 18, the upward movement of the U-shaped seat 17 will ensure that the hexagonal placement tube 18 always remains in contact with the top of the U-shaped plate 11. In the process of the cylinder 9 driving the movable seat 10 to reset, when the hexagonal placement tube 18 is in contact with the hexagonal groove 12, due to the effect of gravity, the hexagonal nut 19 located at the bottom layer of the hexagonal placement tube 18 will move into the hexagonal groove 12. In this way, the automatic filling operation is realized, which provides convenience for the subsequent automatic tightening work.

[0029] In order to prevent the hexagonal nut 19 in the hexagonal placement tube 18 from falling into the track groove 13 during the movement, the two U-shaped plates 11 and the track groove 13 are designed to be staggered. Such a design ensures the safety of the hexagonal nut 19 during the movement and further improves the stability and reliability of the detection mechanism.

[0030] The depth of the hexagonal groove 12 is consistent with the height of the hexagonal nut 19 .

[0031] refer to Figure 1 and Figure 2 , valve assembly and processing equipment, which not only includes the above-mentioned detection mechanism, but also has a series of specific structures and functions for valve assembly and processing. The valve assembly and processing equipment includes a groove 2 arranged on the top of the bottom plate 1. This groove 2 is cleverly located between two movable seats 10, providing space for the subsequent processing of the valve body and valve cover. In order to stably convey the valve body 5 and the valve cover 6, a conveyor belt 3 is specially designed in the groove 2. This conveyor belt 3 is not only responsible for conveying the valve body 5 and the valve cover 6 from one place to another, but also ensures the stability and accuracy during the conveying process. At the bottom of the groove 2, we fixed a support plate 4. This support plate 4 not only runs through the conveyor belt 3, but also provides solid support for the valve body 5 and the valve cover 6 placed on the conveyor belt 3. This design ensures that the valve body and the valve cover will not cause errors in the assembly process due to shaking or tilting during the conveying process.

[0032] refer to Figure 1 and Figure 7 In addition, a gantry 23 is fixed on the top of the base plate 1. The design of this gantry 23 is very clever, and two rectangular grooves 24 are provided on one side of it. A sliding rod 26 is fixed in one of the rectangular grooves 24, and this sliding rod 26 is slidably connected to the lifting plate 27. A threaded rod 25 is rotatably connected in the other rectangular groove 24, and this threaded rod 25 is threadedly connected to the lifting plate 27. A plurality of connecting rods 29 are fixed to the bottom of the lifting plate 27, and the bottom ends of the plurality of connecting rods 29 are fixedly connected to the top of the return plate 30. By driving the threaded rod 25 to rotate by a motor, the lifting height of the lifting plate 27 can be precisely controlled. This design allows us to easily put the hexagonal sleeve 33 on the countersunk head of the countersunk bolt 7, preparing for the subsequent tightening operation.

[0033] refer to Figure 7 In order to further improve the automation of the equipment, we installed a position sensor 28 at the bottom of the lifting plate 27. This sensor can detect the moving position of the valve cover 6 in real time to ensure that the valve cover 6 is always in the correct position during the tightening of the countersunk bolts 7 and the hexagonal nuts 19.

[0034] Example 2: Reference Fig.10, improved on the basis of Example 1: the inner walls on both sides of the two U-shaped plates 11 that are away from each other are provided with guiding bevels 40. When the valve body 5 is transferred between the U-shaped plates 11, the guiding bevels 40 can regularize the position of the valve body 5 to ensure that the valve body 5 can be accurately positioned in the assembly position. At the same time, a sliding groove 41 is also provided on the inner wall of the U-shaped plate 11 on the side away from the groove 2. On the inner wall of one side of the sliding groove 41, we fixed a plurality of springs 42. One end of these springs 42 jointly fixes an extrusion plate 43, and the extrusion plate 43 can be slidably set in the U-shaped plate 11. When the two U-shaped plates 11 move toward the middle, the cooperation of the extrusion plate 43 and the spring 42 can clamp the valve body 5, ensuring that during the process of tightening the countersunk bolts 7 and the hexagonal nuts 19, the valve body 5 always remains stable and will not shake or tilt due to external forces.

[0035] In summary, the valve assembly and processing equipment provided in this embodiment ensures high efficiency and accuracy in the valve assembly process through a series of ingenious structural designs and functional realizations. Whether it is the smooth transmission of the conveyor belt 3, the solid support of the support plate 4, the precise lifting of the lifting plate 27, or the regularity and clamping of the valve body by the U-shaped plate 11, all provide a strong guarantee for the smooth assembly of the valve.

[0036] The method for using the valve assembly and processing equipment includes the following steps: S1, place the valve cover 6 on the top of the valve body 5, and pass a plurality of countersunk bolts 7 through the valve body 5 and the valve cover 6 in sequence, then place the valve body 5 and the valve cover 6 on the conveyor belt 3, so that the countersunk bolts 7 and the hexagonal nuts 19 can be tightened later to complete the fastening operation of the valve body 5 and the valve cover 6; S2. When the conveyor belt 3 conveys the valve body 5 and the valve cover 6 to between the two U-shaped plates 11, the position sensor 28 can detect the position signal, the conveyor belt 3 stops running, and the two cylinders 9 respectively drive the two moving seats 10 to move to the middle, and the two U-shaped plates 11 just complete the clamping of the valve body 5, and when the moving seat 10 moves, the U-shaped plate 11 is located below the countersunk bolt 7. When the moving seat 10 moves to the position of the trapezoidal plate 22, the sliding plate 20 pushes the sliding plate 20 and the U-shaped plate 11 upward under the action of the trapezoidal plate 22. At this time, the U-shaped plate 11 can push multiple countersunk bolts 7 upward, and the bottom end of the countersunk bolt 7 just extends to the threaded hole in the hexagonal nut 19 in the hexagonal groove 12, and the U-shaped plate 11 can conflict with the bottom of the edge of the valve body 5; S3. In addition, when the two U-shaped plates 11 move toward the middle, the guiding slope 40 can guide the valve body 5 to adjust the position of the valve body 5, and clamp the valve body 5 with the two U-shaped plates 11, and the cooperation of the extrusion plate 43 and the spring 42 can clamp the valve body 5, ensuring the stability of the valve body 5 during the process of tightening the countersunk bolt 7 and the hexagonal nut 19; S4, then the motor drives the threaded rod 25 to rotate, and the threaded rod 25 drives the lifting plate 27 and the return plate 30 to move downward until the hexagonal sleeve 33 is sleeved on the outer wall of the countersunk head of the countersunk bolt 7. At this time, the electromagnetic iron 36 is energized to exert a magnetic attraction on the valve body 5, which can stably place the slide plate 34 on the valve body 5, and the bottom end of the pressure rod 37 just contacts the adjacent pressure sensor 39. As the driving motor 32 drives the rotating shaft 31 and the hexagonal sleeve 33 to rotate, the countersunk bolt 7 can be tightened with the adjacent hexagonal nut 19. When the countersunk bolt 7 is tightened, the valve cover 6 Under the action of the countersunk head of the countersunk bolt 7, a downward squeezing force is generated on the valve body 5, and the valve cover 6 moves downward. The pressure rod 37 moves downward synchronously under the action of the electromagnet 36. The pressure sensor 39 can detect the squeezing force of the pressure rod 37 in real time, and adjust the squeezing of the valve cover 6 by the corresponding countersunk bolt 7 according to the detected data, so as to detect the pressure at different positions of the contact surface between the valve body 5 and the valve cover 6, so as to ensure that the contact surface between the valve cover 6 and the valve body 5 is evenly pressurized, so that the two are combined more stably and tightly, and the sealing between the valve body 5 and the valve cover 6 is further ensured; S5. After the tightening is completed, the lifting plate 27 drives the valve body 5 and the valve cover 6 to move upward through the electromagnet 36, so that the hexagonal nut 19 is disengaged from the hexagonal groove 12, and the cylinder 9 drives the movable seat 10 to reset and move. The lifting plate 27 puts the valve body 5 and the valve cover 6 back on the conveyor belt 3, and the electromagnet 36 is powered off. The conveyor belt 3 conveys the valve body 5 and the valve cover 6 to the next process. When the U-shaped plate 11 is reset, the hexagonal groove 12 is aligned with the hexagonal placement tube 18, and the hexagonal nut 19 at the bottom of the hexagonal placement tube 18 moves to the hexagonal groove 12 under the action of gravity, and the filling operation is automatically completed, which is convenient for the subsequent automatic tightening work.

[0037] However, as is well known to those skilled in the art, the working principles and wiring methods of the pressure sensor 39, drive motor 32, position sensor 28 and cylinder 9 are commonplace, and are all conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A detection mechanism, characterized in that: It comprises a bottom plate (1), a lifting plate (27) is provided above the bottom plate (1), a return plate (30) is provided below the lifting plate (27), a plurality of hexagonal sleeves (33) and a pressure rod (37) are provided below the return plate (30), and the hexagonal sleeves (33) are used to cooperate with the countersunk head of the countersunk bolt (7); It also includes two U-shaped plates (11) located above the bottom plate (1), a plurality of pressure sensors (39) are provided above the two U-shaped plates (11), the pressure sensors (39) cooperate with adjacent pressure rods (37) to detect the pressure value between two surfaces of the valve body (5) and the valve cover (6) in contact, and a tightening structure for automatically tightening the countersunk bolts (7) and the hexagonal nuts (19) is provided between the return plate (30) and the two U-shaped plates (11); A plurality of detection structures are provided between the return plate (30) and the two U-shaped plates (11), and are used to detect the pressure value between the valve body (5) and the valve cover (6) when the countersunk bolts (7) and the hexagonal nuts (19) are tightened; Two sets of automatic filling structures are respectively arranged on two U-shaped plates (11) and are used to automatically add hexagonal nuts (19) to the U-shaped plates (11). The automatic filling structures include a plurality of hexagonal placement cylinders (18) located on the top of the U-shaped plates (11) and are used to hold a plurality of hexagonal nuts (19) placed vertically.

2. A detection mechanism according to claim 1, characterized in that: The tightening structure comprises a plurality of drive motors (32) fixed to the top of the return plate (30), the output shafts of the plurality of drive motors (32) are fixed to a rotating shaft (31) via a coupling, the bottom ends of the plurality of rotating shafts (31) are rotated to penetrate the return plate (30) and are fixedly connected to the top of a corresponding hexagonal sleeve (33), the tops of the two U-shaped plates (11) are provided with a plurality of hexagonal grooves (12), and the hexagonal grooves (12) are used to place hexagonal nuts (19), the hexagonal grooves (12) and the hexagonal sleeves (33) correspond to the positions of the countersunk bolts (7) on the valve body (5) and the valve cover (6), and the top of the bottom plate (1) is fixed There are two vertical plates (8), the inside of the two vertical plates (8) is fixed with a cylinder (9), the output shafts of the two cylinders (9) are fixed with a moving seat (10), the moving seat (10) slides on the top of the bottom plate (1), the bottom of the two U-shaped plates (11) is fixed with a sliding plate (20), the sliding plate (20) is slidably set in the moving seat (10), and the two moving seats (10) are provided with a clearance groove (21), and the top of the bottom plate (1) is fixed with two trapezoidal plates (22), the trapezoidal plates (22) cooperate with the sliding plate (20) to drive the U-shaped plate (11) to move up and fit the edge bottom of the valve body (5).

3. A detection mechanism according to claim 2, characterized in that: The detection structure comprises a guide rod (35) which slides through the return plate (30), a slide plate (34) being fixed to the bottom end of the guide rod (35), the slide plate (34) being sleeved on the outer wall of the rotating shaft (31) and being located above the hexagonal sleeve (33), electromagnets (36) being fixed to both sides of the bottom of the slide plate (34) for adsorbing the slide plate (34) to the top of the valve cover (6), the hexagonal sleeve (33) being located between the two electromagnets (36), the bottom of the slide plate (34) being fixedly connected to the top of the pressure rod (37), the top of the U-shaped plate (11) being fixedly provided with a fixing rod (38), and the pressure sensor (39) being fixedly embedded in the top of the fixing rod (38).

4. A detection mechanism according to claim 3, characterized in that: The automatic filling structure also includes a U-shaped seat (17) fixedly sleeved on the outer wall of a plurality of hexagonal placement tubes (18), the bottom ends of the plurality of hexagonal placement tubes (18) are slidably matched with the top of the U-shaped plate (11), the positions of the plurality of hexagonal placement tubes (18) are arranged to correspond to the plurality of hexagonal slots (12), and are used to place the hexagonal nuts (19) in the hexagonal placement tubes (18) into the hexagonal slots (12), the U-shaped plate (11) is provided with two track slots (13), the two track slots (13) are slidably connected with a sliding seat (16), the top ends of the two sliding seats (16) are fixedly connected with the bottom of the U-shaped seat (17), the two sliding seats (16) are fixedly connected with the same connecting plate (15) on one side close to the vertical plate (8), and two horizontal plates (14) are fixed on one side of the vertical plate (8), and the two horizontal plates (14) are slidably connected with the connecting plate (15).

5. A detection mechanism according to claim 4, characterized in that: The two U-shaped plates (11) are arranged in a staggered manner with respect to the track groove (13), so as to prevent the hexagonal nut (19) in the hexagonal placement tube (18) from falling into the track groove (13).

6. Valve assembly and processing equipment, comprising a detection mechanism according to claim 5, characterized in that: The invention also comprises a groove (2) arranged on the top of the bottom plate (1), wherein the groove (2) is located between the two movable seats (10), the two trapezoidal plates (22) are respectively located on both sides of the groove (2), a conveyor belt (3) is provided in the groove (2) for conveying the valve body (5) and the valve cover (6), a support plate (4) is fixed in the groove (2), and the support plate (4) passes through the conveyor belt (3) for supporting the valve body (5) and the valve cover (6) placed on the conveyor belt (3).

7. The valve assembly and processing equipment according to claim 6, characterized in that: A gantry (23) is fixed on the top of the bottom plate (1), and the conveyor belt (3) passes through the gantry (23). Two rectangular grooves (24) are provided on one side of the gantry (23), wherein a sliding rod (26) slidably connected to the lifting plate (27) is fixed in one of the rectangular grooves (24), and a threaded rod (25) threadedly connected to the lifting plate (27) is rotatably connected in the other rectangular groove (24). A plurality of connecting rods (29) are fixed on the bottom of the lifting plate (27), and the bottom ends of the plurality of connecting rods (29) are fixedly connected to the top of the return plate (30).

8. The valve assembly and processing equipment according to claim 7, characterized in that: A position sensor (28) is fixed to the bottom of the lifting plate (27) for detecting the moving position of the valve cover (6).

9. The valve assembly and processing equipment according to claim 8, characterized in that: The inner walls of the U-shaped plate (11) on both sides away from each other are provided with guiding inclined surfaces (40) for adjusting the position of the valve body (5); the inner wall of the U-shaped plate (11) on one side away from the groove (2) is provided with a sliding groove (41); a plurality of springs (42) are fixed to the inner wall of one side of the sliding groove (41); one end of the plurality of springs (42) is fixed with the same extrusion plate (43); and the extrusion plate (43) is slidably arranged in the U-shaped plate (11); the spring (42) and the extrusion plate (43) cooperate to clamp the valve body (5).

10. A method for using a valve assembly processing device, applied to the valve assembly processing device according to claim 9, characterized in that: The following steps are involved: S1. Place the valve cover (6) on top of the valve body (5), penetrate the two with countersunk bolts (7), and place it on the conveyor belt (3) to facilitate subsequent tightening; S2, the conveyor belt (3) conveys the valve body (5) to the U-shaped plate (11), and the position sensor (28) detects and stops conveying; the cylinder (9) drives the moving seat (10) to drive the U-shaped plate (11) to clamp the valve body (5), and at the same time, the U-shaped plate (11) moves upward under the action of the trapezoidal plate (22), pushing the countersunk bolt (7) into the threaded hole of the hexagonal nut (19), and the U-shaped plate (11) contacts the bottom of the valve body (5); S3, when the U-shaped plate (11) moves, the guiding inclined surface (40) regulates the position of the valve body (5), and the squeezing plate (43) cooperates with the spring (42) to ensure the stability of the valve body (5); S4, the motor drives the threaded rod (25) to rotate, driving the lifting plate (27) and the return plate (30) to move downward, so that the hexagonal sleeve (33) covers the countersunk bolt (7); the electromagnet (36) is energized to stabilize the position of the slide plate (34), and the drive motor (32) drives the hexagonal sleeve (33) to rotate and tighten the bolt; the pressure rod (37) cooperates with the pressure sensor (39) to detect the pressure in real time to ensure that the contact surface of the valve cover (6) and the valve body (5) is evenly pressurized; S5. After tightening, the lifting plate (27) drives the valve body (5) to move upward, and the hexagonal nut (19) is separated from the hexagonal groove (12); the cylinder (9) resets the moving seat (10), and the lifting plate (27) re-places the valve body (5) on the conveyor belt (3), and the conveyor belt (3) is transported to the next process; when the U-shaped plate (11) is reset, the hexagonal nut (19) in the hexagonal placement cylinder (18) automatically falls into the hexagonal groove (12), completing the packing and preparing for the next round of tightening.

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