Plug valve seat machining device

Abstract

The utility model relates to the technical field of milling equipment, in particular to a plug valve seat machining device which comprises a workbench, an air cylinder, an arc-shaped plate and an adjusting assembly, the adjusting assembly comprises an adjusting track, a driving component, a moving component and a protection component, the adjusting track is fixedly connected with the workbench, the driving component is arranged on the workbench and the adjusting track respectively, and the moving component is arranged on the arc-shaped plate. The moving component is arranged on the adjusting track, the protection component is arranged on the arc-shaped plate, in the process of fixing the valve seat with the large diameter, the driving component is started, the driving component drives the moving component to work, the moving component drives the air cylinders to move in the direction of the adjusting track, and therefore the distance between the two air cylinders is adjusted; the valve seat can be placed between the two arc-shaped plates, the air cylinder is started to clamp the valve seat through the arc-shaped plates, clamping work can be completed without replacing different devices, and operation is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of milling equipment, in particular to a valve seat machining device for a plug valve. Background Art

[0002] When the valve seat of the plug valve is processed, the valve seat is placed on the mounting table, so that when clamping multiple valve seats, the installation positions of different valve seats on the mounting table may have relative deviations, resulting in deviations in the clamping positions of the clamping plate and the valve seat, affecting the clamping effect.

[0003] Prior art CN213164248U discloses a valve seat groove processing device, including a workbench, a mounting table is installed on the workbench, a positioning block is installed on the mounting table, a mounting hole is opened on the positioning block, two abutment rods are slidably connected in the mounting hole, the ends of the two abutment rods are fixedly connected to the abutment blocks, a driving component is installed on the positioning block, and the driving component is used to drive the two abutment rods to move relative to each other. When the positioning and clamping work of the valve seat is required, the staff first sets the valve seat on the positioning block on the mounting table, and then adjusts the driving component. The driving component further drives the two abutment rods to move toward each other, and the two abutment rods are fixedly connected to the abutment blocks. The rods slide towards each other in the mounting hole, and the two locking blocks at the ends of the locking rods further lock against the inner wall of the valve seat, thereby further realizing accurate positioning of the valve seat and further reducing the probability of positional displacement when the valve seat is installed on the mounting platform, thereby improving the accuracy of valve seat groove machining. Cylinders are fixedly connected to the workbenches on both sides of the mounting platform, and arc plates are installed at the piston rods of each cylinder. After the positioning work of the valve seat on the mounting platform is completed, the cylinders are started, and the piston rods of the two cylinders respectively push the two arc plates to move, and the two arc plates further lock against the outer peripheral wall of the valve seat, thereby realizing the positioning and clamping work of the valve seat.

[0004] However, in the above manner, the cylinder is fixed on the workbench, so when the cylinder drives the arc plate to move, only the valve seat with a smaller diameter can be fixed. When the valve seat diameter is larger, it is necessary to replace the equipment with a larger distance between the two cylinders to place the valve seat on the workbench, otherwise the clamping work cannot be completed. Utility Model Content

[0005] The purpose of the utility model is to provide a valve seat processing device for a plug valve, which can clamp the valve seat by changing the distance between two cylinders during the fixing process of a valve seat with a larger diameter, so that the clamping work can be completed without changing different equipment, and the operation is simple.

[0006] To achieve the above-mentioned purpose, the utility model provides a plug valve seat processing device, comprising a workbench, a cylinder and an arc plate, wherein the cylinder is arranged on the workbench, the arc plate is connected to the piston rod of the cylinder, and also comprises an adjusting component;

[0007] The adjustment assembly includes an adjustment rail, a driving component, a moving component and a protective component. The adjustment rail is fixedly connected to the workbench and is located on one side of the workbench. The driving component is respectively arranged on the workbench and the adjustment rail. The moving component is arranged on the adjustment rail. The protective component is arranged on the arc plate.

[0008] Wherein, the driving component includes a driving motor and a rotating screw, the driving motor is fixedly connected to the workbench and is located on one side of the workbench; the rotating screw is rotationally connected to the adjustment track and fixedly connected to the output shaft of the driving motor.

[0009] Wherein, the movable member comprises a movable slider and a connecting component, the movable slider is slidably connected to the adjusting track and is threadedly connected to the rotating screw; the cylinder is connected to the movable slider via the connecting component.

[0010] Wherein, the connecting component includes a connecting shaft and a limit baffle, the connecting shaft is fixedly connected to the movable slider and fixedly connected to the cylinder; the limit baffle is fixedly connected to the adjustment track and is located on one side of the adjustment track.

[0011] Wherein, the protective component includes a protective pad and a rubber ball, the protective pad is detachably connected to the arc plate and is located on the side of the arc plate away from the cylinder; the rubber ball is fixedly connected to the protective pad and is located on one side of the protective pad.

[0012] The utility model discloses a valve seat processing device for a plug valve, comprising a workbench, a cylinder, an arc plate and an adjusting component, wherein the adjusting component comprises an adjusting track, a driving component, a moving component and a protective component, and in the process of fixing a valve seat with a larger diameter, the driving component is started, and the driving component drives the moving component to operate, so that the moving component drives the cylinder to move along the direction of the adjusting track, thereby adjusting the distance between the two cylinders, so that the valve seat can be placed between the two arc plates, and the cylinder is started to clamp the valve seat through the arc plate, so that the clamping work can be completed without changing different equipment, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0014] Figure 1 It is a schematic diagram of the overall structure of a plug valve seat processing device according to the first embodiment of the utility model.

[0015] Figure 2This utility model Figure 1 Enlarged view of point A.

[0016] Figure 3 It is a structural schematic diagram of a protective component of the second embodiment of the utility model.

[0017] In the figure: 101-workbench, 102-cylinder, 103-arc plate, 104-adjusting track, 105-driving motor, 106-rotating screw, 107-moving slider, 108-connecting shaft, 109-limit baffle, 201-protective pad, 202-rubber ball. DETAILED DESCRIPTION

[0018] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] The first embodiment of the present application is:

[0020] See also Figure 1 and Figure 2 ,in Figure 1 It is the overall structural diagram of the plug valve seat processing device. Figure 2 yes Figure 1 The utility model provides a plug valve seat processing device: comprising a workbench 101, a cylinder 102, an arc plate 103 and an adjustment component, the adjustment component comprising an adjustment track 104, a driving component, a moving component and a protective component, the driving component comprising a driving motor 105 and a rotating screw 106, the moving component comprising a moving slider 107 and a connecting component, the connecting component comprising a connecting shaft 108 and a limit baffle 109. The aforementioned scheme solves the problem that the cylinder 102 is fixed on the workbench 101, resulting in that when the cylinder 102 drives the arc plate 103 to move, only the valve seat with a smaller diameter can be fixed. When the valve seat diameter is larger, it is necessary to replace the equipment with a larger distance between the two cylinders 102 to place the valve seat on the workbench 101, otherwise the clamping work cannot be completed. It can be understood that the aforementioned scheme can be used to enable the valve seat to be clamped by changing the distance between the two cylinders 102 during the process of fixing the valve seat with a larger diameter, so that the clamping work can be completed without replacing different equipment. The operation is simple and can also be used to make the clamping of the valve seat more stable and provide a certain protective effect on the valve seat.

[0021] According to this specific embodiment, the cylinder 102 is arranged on the workbench 101, the arc plate 103 is connected to the piston rod of the cylinder 102, a mounting platform is installed on the workbench 101, a positioning block is installed on the mounting platform, a mounting hole is opened on the positioning block, two abutment rods are slidably connected in the mounting hole, the ends of the two abutment rods are fixedly connected with the abutment blocks, a driving assembly is installed on the positioning block, and the driving assembly is used to drive the two abutment rods to relative displacement. When the positioning and clamping work of the valve seat is required, the staff first sets the valve seat on the positioning block on the mounting platform, and then adjusts the driving assembly. The driving assembly further drives the two abutment rods to displace toward each other, and the two abutment rods slide toward each other in the mounting hole. The two locking plates 103 are pressed against the outer wall of the valve seat to achieve precise positioning of the valve seat, and the probability of positional displacement when the valve seat is installed on the mounting platform is further reduced, thereby improving the accuracy of valve seat groove processing. The cylinders 102 are arranged on the workbenches 101 on both sides of the mounting platform, and the arc plates 103 are installed at the piston rods of the cylinders 102. After the positioning of the valve seat on the mounting platform is completed, the cylinders 102 are started, and the piston rods of the two cylinders 102 respectively push the two arc plates 103 to move, and the two arc plates 103 are further pressed against the outer wall of the valve seat to achieve positioning and clamping of the valve seat. The above are all prior arts.

[0022] Among them, the adjusting rail 104 is fixedly connected to the workbench 101 and is located on one side of the workbench 101, the driving components are respectively arranged on the workbench 101 and the adjusting rail 104, the moving component is arranged on the adjusting rail 104, the protective component is arranged on the arc plate 103, the number of the adjusting rails 104 corresponds to the number of the cylinders 102, the two adjusting rails 104 are respectively arranged on both sides of the upper surface of the workbench 101, the two cylinders 102 are respectively located directly above the two adjusting rails 104, the moving component is arranged in the adjusting rail 104, the moving component can move along the direction of the adjusting rail 104, thereby driving the cylinder 102 to move, and then the distance between the two cylinders 102 is adjusted, so that valve seats of different diameters can be clamped and fixed, and the driving components are respectively arranged on the workbench 1 01 and the adjusting track 104, the driving component drives the moving component to operate, so that the distance between the two cylinders 102 can be automatically adjusted to achieve automation, the protective component is arranged on the arc plate 103, the setting of the protective component can increase the friction between the arc plate 103 and the valve seat, so that the clamping of the valve seat is more stable, and the valve seat has a certain protective effect, in the process of fixing the valve seat with a larger diameter, the driving component is started, and the driving component drives the moving component to operate, so that the moving component drives the cylinder 102 to move along the direction of the adjusting track 104, thereby adjusting the distance between the two cylinders 102, so that the valve seat can be placed between the two arc plates 103, and the cylinder 102 is started to clamp the valve seat through the arc plate 103, so that the clamping work can be completed without changing different equipment, and the operation is simple.

[0023] Secondly, the drive motor 105 is fixedly connected to the workbench 101 and is located on one side of the workbench 101; the rotating screw 106 is rotatably connected to the adjusting track 104 and is fixedly connected to the output shaft of the drive motor 105. The number of the drive motors 105 corresponds to the number of the adjusting tracks 104. The two drive motors 105 are respectively fixed on the left and right sides of the outer surface of the workbench 101 by bolts. The drive motor 105 is in the form of a DC motor. When the drive motor 105 is started, the drive motor 105 The output shaft performs uniform circular motion, the rotating screw 106 is located in the adjusting track 104, the two ends of the rotating screw 106 are respectively inserted into the two ends of the adjusting track 104, and rotate in the adjusting track 104 through bearings, and the end of the rotating screw 106 close to the driving motor 105 is fixed together with the output shaft of the driving motor 105, so that when the driving motor 105 is started, the output shaft of the driving motor 105 performs uniform circular motion, thereby driving the rotating screw 106 to rotate synchronously in the adjusting track 104.

[0024] At the same time, the movable slider 107 is slidably connected to the adjusting rail 104 and is threadedly connected to the rotating screw 106; the connecting shaft 108 is fixedly connected to the movable slider 107 and is fixedly connected to the cylinder 102; the limit baffle 109 is fixedly connected to the adjusting rail 104 and is located on one side of the adjusting rail 104, the movable slider 107 is located in the adjusting rail 104, the cross-sectional size of the movable slider 107 is adapted to the cross-sectional size of the adjusting rail 104, so that the movable slider 107 can move in the adjusting rail 104, the movable slider 107 is penetrated by the rotating screw 106, the outer surface of the rotating screw 106 has an external thread, and the penetration of the movable slider 107 has an internal thread adapted to the external thread, so that when the rotating screw 106 is rotated, the movable slider 107 can rotate the rotating screw 106. The movable slider 107 is driven by the thread of the cylinder 102 and moves along the direction of the movable slider 104 in the movable slider 104. The number of the limit baffles 109 is twice the number of the movable slider 104. Every two of the limit baffles 109 form a group and are respectively welded on both sides of the opening of the movable slider 104, so that the opening size of the movable slider 104 is smaller than the internal size of the movable slider 104, which limits the movable slider 107. The connecting shaft 108 is welded to the upper surface of the movable slider 107, and the connecting shaft 108 just extends outward from between the two limit baffles 109 and is welded to the lower surface of the cylinder 102, so that when the movable slider 107 moves in the movable slider 104, the connecting shaft 108 can drive the cylinder 102 to move along the direction of the movable slider 104, thereby adjusting the distance between the two cylinders 102.

[0025] When using a valve seat processing device for a plug valve according to the present embodiment, during the process of fixing a valve seat with a larger diameter, the drive motor 105 is started, and the drive motor 105 drives the rotating screw 106 to rotate synchronously, so that the movable slider 107 moves along the direction of the adjusting track 104 in the adjusting track 104 under the thread drive of the rotating screw 106, so that the movable slider 107 drives the cylinder 102 to move along the direction of the adjusting track 104 through the connecting shaft 108, thereby adjusting the distance between the two cylinders 102, so that the valve seat can be placed between the two arc plates 103, and the cylinder 102 is started to clamp the valve seat through the arc plates 103, so that the clamping work can be completed without changing different equipment, and the operation is simple.

[0026] The second embodiment of the present application is:

[0027] Based on the first embodiment, please refer to Figure 3 , Figure 3 2 is a schematic structural diagram of a protective component of the second embodiment. The protective component of this embodiment includes a protective pad 201 and a rubber ball 202 .

[0028] According to the present specific embodiment, the protective pad 201 is detachably connected to the arc plate 103 and is located on the side of the arc plate 103 away from the cylinder 102; the rubber ball 202 is fixedly connected to the protective pad 201 and is located on one side of the protective pad 201. The protective pad 201 is arranged on the arc plate 103. The protective pad 201 is made of a polymer sponge material, has good toughness, and can be elastically deformed by extrusion. The protective pad 201 is arranged on the arc plate 103 away from the cylinder. On one side of valve seat 102, the rubber balls 202 are evenly arranged on the protective pad 201. The rubber shaft is made of soft rubber material, has the characteristics of anti-slip and wear-resistant, and can be elastically deformed by extrusion. When the arc plate 103 clamps the valve seat, it contacts the outer surface of the valve seat through the protective pad 201 and the rubber balls 202, thereby increasing the friction between the outer surface of the valve seat and making the clamping of the valve seat more stable. The provision of the protective pad 201 and the rubber balls 202 plays a certain protective role on the valve seat.

[0029] When using a plug valve seat processing device of the present embodiment, when the arc plate 103 clamps the valve seat, it contacts the outer surface of the valve seat through the protective pad 201 and the rubber ball 202, thereby increasing the friction between the outer surface of the valve seat and making the clamping of the valve seat more stable. The provision of the protective pad 201 and the rubber ball 202 also protects the valve seat to a certain extent.

[0030] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A plug valve seat processing device, comprising a workbench, a cylinder and an arc plate, wherein the cylinder is arranged on the workbench, and the arc plate is connected to the piston rod of the cylinder, characterized in that: Also included are adjustment components; The adjustment assembly includes an adjustment rail, a driving component, a moving component and a protective component. The adjustment rail is fixedly connected to the workbench and is located on one side of the workbench. The driving component is respectively arranged on the workbench and the adjustment rail. The moving component is arranged on the adjustment rail. The protective component is arranged on the arc plate.

2. The plug valve seat processing device according to claim 1, characterized in that: The driving component includes a driving motor and a rotating screw. The driving motor is fixedly connected to the workbench and is located at one side of the workbench. The rotating screw is rotationally connected to the adjustment track and is fixedly connected to the output shaft of the driving motor.

3. The plug valve seat processing device according to claim 2, characterized in that: The moving member comprises a moving slider and a connecting component. The moving slider is slidably connected to the adjusting track and is threadedly connected to the rotating screw. The cylinder is connected to the moving slider via the connecting component.

4. The plug valve seat processing device according to claim 3, characterized in that: The connecting component comprises a connecting shaft and a limiting baffle, wherein the connecting shaft is fixedly connected to the movable slider and the cylinder; the limiting baffle is fixedly connected to the adjusting track and is located at one side of the adjusting track.

5. The plug valve seat processing device according to claim 1, characterized in that: The protection component comprises a protection pad and a rubber ball. The protection pad is detachably connected to the arc plate and is located on a side of the arc plate away from the cylinder. The rubber ball is fixedly connected to the protection pad and is located on one side of the protection pad.

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