Valve ball opposite grinding tool

Abstract

The utility model relates to the technical field of valve ball machining, in particular to a valve ball opposite grinding tool which comprises a machine frame, a rotating assembly and a grinding assembly. The grinding assembly comprises a two-way screw rod, a driving motor, a moving plate, a grinding side plate, a grinding bottom plate, an elastic component and a mounting component, the two-way screw rod is rotationally connected with the rack, the driving motor is connected with the rack, the output end of the driving motor is connected with the two-way screw rod, the moving plate is in threaded connection with the two-way screw rod, and the grinding side plate is connected with the moving plate through the mounting component; the grinding bottom plate is connected with the rack through an elastic component, a connecting shaft at the top of a valve ball is clamped and fixed through a rotating assembly, a driving motor drives a two-way screw to rotate, the two-way screw drives two moving plates and two grinding side plates to get close to each other, and therefore the two grinding side plates abut against the left side and the right side of the valve ball. And the valve ball is placed on the grinding bottom plate, and then the valve ball can be fixed through the rotating assembly, so that the purpose of improving the machining efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve ball processing, in particular to a valve ball grinding tool. Background Art

[0002] The valve ball needs to be ground during the production process to improve the smoothness and flatness of the valve ball, thereby increasing the service life and sealing effect of the ball valve. Traditional grinding devices are large in size and complex to operate.

[0003] Prior art CN214559976U discloses a spherical grinding tool for an ultra-large-caliber rotary ball valve, comprising a base plate and an oilstone seat, wherein lifting ears are arranged on both sides above the base plate, a frame is arranged in the middle part above the base plate, a workbench is arranged above the frame, a gantry is arranged above the workbench, a telescopic cylinder is arranged above the gantry, a telescopic main shaft is arranged below the telescopic cylinder, an eccentric shaft is arranged below the telescopic main shaft, an oilstone seat is arranged below the eccentric shaft, a rotary ball valve to be processed is arranged below the oilstone seat, a rear ejector is arranged on the left side of the rotary ball valve to be processed, an adjusting seat is arranged on the left side of the rear ejector, a first base is arranged below the adjusting seat, a front ejector is arranged on the right side of the rotary ball valve to be processed, a horizontal continuously variable speed changer is arranged on the right side of the front ejector, and a second base is arranged below the horizontal continuously variable speed changer.

[0004] The above device fixes the valve ball through the front and rear ejectors and drives the valve ball to rotate. At this time, the grinding oilstone abutting against the valve ball can grind the valve ball. The above device fixes the valve ball through the front and rear ejectors. When in use, the staff needs to lift the valve ball and then adjust the position of the front and rear ejectors to fix the valve ball. This operation is cumbersome and reduces the processing efficiency. Utility Model Content

[0005] The utility model aims to provide a valve ball grinding tool, which solves the problem that a worker is required to lift the valve ball and then adjust the positions of the front and rear ejector pins to fix the valve ball when using the existing large-caliber rotary ball valve spherical grinding tool, which is cumbersome to operate and reduces the processing efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides a valve ball grinding tool, including a frame and a rotating component, the rotating component is arranged on the frame, and also includes a grinding component; the grinding component includes a bidirectional screw, a driving motor, a movable plate, a grinding side plate, a grinding bottom plate, an elastic component and a mounting component, the bidirectional screw is rotatably connected to the frame and is arranged on the frame, the driving motor is connected to the frame and is located on one side of the frame, the output end of the driving motor is connected to the bidirectional screw, the movable plate is threadedly connected to the bidirectional screw, and is slidably connected to the frame and is sleeved on the bidirectional screw, the mounting component is arranged on the movable plate, the grinding side plate is connected to the movable plate through the mounting component, the elastic component is arranged on the frame, and the grinding bottom plate is connected to the frame through the elastic component.

[0007] Wherein, the mounting component includes a threaded rod and a locking nut, the threaded rod is fixedly connected to the grinding side plate, is located on one side of the grinding side plate, and passes through the grinding side plate; the locking nut is threadedly connected to the threaded rod and is sleeved on the threaded rod.

[0008] Wherein, the elastic component includes a spring, a lifting seat and a connecting seat, the spring is connected to the frame and is located inside the frame; the lifting seat is connected to the spring, slidably connected to the frame, and is located at one end of the spring; the connecting seat is detachably connected to the lifting seat, fixedly connected to the grinding base plate, and is located inside the lifting seat.

[0009] Among them, the connecting seat has a limiting protrusion, which is arranged on the connecting seat and located on one side of the connecting seat; the lifting seat has a limiting groove, which is arranged on the lifting seat and located on a side of the lifting seat close to the limiting protrusion, and the limiting groove cooperates with the limiting protrusion.

[0010] Wherein, the rotating assembly includes a hydraulic cylinder, a rotating motor and a three-jaw chuck, the hydraulic cylinder is connected to the frame and is located on one side of the frame; the rotating motor is arranged on the hydraulic cylinder and connected to the output end of the hydraulic cylinder; the three-jaw chuck is arranged on the rotating motor and connected to the output end of the rotating motor.

[0011] The utility model provides a valve ball grinding tool. When in use, the valve ball to be processed is placed on the grinding bottom plate, and then the connecting shaft on the top of the valve ball is clamped and fixed by the rotating assembly, and then the driving motor is started to drive the bidirectional screw to rotate, so that the bidirectional screw drives the two movable plates to approach each other, and the two movable plates drive the two grinding side plates to approach each other, so that the two grinding side plates abut against the left and right sides of the valve ball. At this time, the valve ball is driven to rotate by the rotating assembly, the bottom of the valve ball is ground by the grinding bottom plate, and the side of the valve ball is ground by the two grinding side plates, so as to grind the valve ball. When fixing the valve ball, the valve ball is placed on the grinding bottom plate and the valve ball can be fixed by the rotating assembly, thereby achieving the purpose of improving the processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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.

[0013] Figure 1 It is a schematic diagram of the overall structure of the valve ball grinding tool of the first embodiment of the utility model.

[0014] Figure 2 The first embodiment of the utility model Figure 1 Enlarged view of point A.

[0015] Figure 3 It is a schematic diagram of the installation structure of the bidirectional screw rod of the first embodiment of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the limiting protrusion of the first embodiment of the utility model.

[0017] Figure 5 It is a schematic diagram of the installation structure of the rotating electrical machine of the second embodiment of the utility model.

[0018] In the figure: 101-frame, 102-rotating assembly, 103-grinding assembly, 104-valve ball, 105-bidirectional screw, 106-driving motor, 107-moving plate, 108-grinding side plate, 109-grinding bottom plate, 110-elastic member, 111-mounting member, 112-threaded rod, 113-locking nut, 114-spring, 115-lifting seat, 116-connecting seat, 117-limiting protrusion, 118-limiting groove, 201-hydraulic cylinder, 202-rotating motor, 203-three-jaw chuck. DETAILED DESCRIPTION

[0019] 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.

[0020] First embodiment:

[0021] See also Figures 1 to 4 ,in Figure 1 This is the overall structure diagram of the valve ball grinding tool. Figure 2 yes Figure 1 A magnified image of Figure 3 This is a schematic diagram of the installation structure of the bidirectional screw. Figure 4 It is a structural schematic diagram of the limiting protrusion.

[0022] The utility model provides a valve ball grinding tool, including a frame 101, a rotating assembly 102 and a grinding assembly 103, wherein the grinding assembly 103 includes a bidirectional screw 105, a drive motor 106, a moving plate 107, a grinding side plate 108, a grinding bottom plate 109, an elastic component 110 and a mounting component 111, wherein the mounting component 111 includes a threaded rod 112 and a locking nut 113, wherein the elastic component 110 includes a spring 114, a lifting seat 115 and a connecting seat 116, wherein the connecting seat 116 has a limiting protrusion 117, and the lifting seat 115 It has a limiting groove 118, and the valve ball 104 is placed on the grinding base plate 109, and then the valve ball 104 is fixed and driven to rotate by the rotating component 102, so that the bottom and side of the valve ball 104 can be ground by the grinding base plate 109 and the grinding side plate 108, thereby facilitating the fixation of the valve ball 104 and improving the processing efficiency. It can be understood that the above-mentioned scheme can be used when grinding the valve ball 104, and can also be used to solve the problem of grinding valve balls 104 of different sizes.

[0023] According to this specific embodiment, the rotating assembly 102 is disposed on the frame 101 , and the valve ball 104 is clamped and fixed by the rotating assembly 102 , and the valve ball 104 is driven to rotate.

[0024] The bidirectional screw 105 is rotatably connected to the frame 101 and is arranged on the frame 101. The drive motor 106 is connected to the frame 101 and is located on one side of the frame 101. The output end of the drive motor 106 is connected to the bidirectional screw 105. The movable plate 107 is threadedly connected to the bidirectional screw 105 and is slidably connected to the frame 101 and is sleeved on the bidirectional screw 105. The mounting member 111 is arranged on the movable plate 107. The side plate 108 is connected to the movable plate 107 through the mounting member 111, the elastic member 110 is arranged on the frame 101, and the grinding bottom plate 109 is connected to the frame 101 through the elastic member 110. The movable plate 107 and the grinding side plate 108 are each provided with two, and are respectively located on both sides of the bidirectional screw 105. The thread directions of the two sides of the bidirectional screw 105 are opposite. The elastic member 110 is elastic. The grinding side plate 108 and the grinding bottom plate 109 are A groove is provided to cooperate with the valve ball 104. When in use, the valve ball 104 to be processed is placed on the grinding bottom plate 109, and then the connecting shaft on the top of the valve ball 104 is clamped and fixed by the rotating assembly 102, and then the driving motor 106 is started to drive the bidirectional screw 105 to rotate, so that the bidirectional screw 105 drives the two moving plates 107 to approach each other, and the two moving plates 107 drive the two grinding side plates 108 to approach each other, so that the two grinding side plates 108 abut against the The left and right sides of the valve ball 104 are driven to rotate by the rotating component 102, the bottom of the valve ball 104 is ground by the grinding bottom plate 109, and the sides of the valve ball 104 are ground by the two grinding side plates 108, so as to grind the valve ball 104. When fixing the valve ball 104, the valve ball 104 is placed on the grinding bottom plate 109 and the valve ball 104 can be fixed by the rotating component 102, thereby achieving the purpose of improving the processing efficiency.

[0025] Secondly, the threaded rod 112 is fixedly connected to the grinding side plate 108, and is located on one side of the grinding side plate 108 and passes through the grinding side plate 108; the locking nut 113 is threadedly connected to the threaded rod 112 and is sleeved on the threaded rod 112. The threaded rod 112 is locked on the movable plate 107 by the locking nut 113, and then the grinding side plate 108 is locked on the movable plate 107. By loosening the locking nut 113, different grinding side plates 108 can be replaced to cooperate with valve balls 104 of different sizes, thereby facilitating the grinding of valve balls 104 of different sizes.

[0026] At the same time, the spring 114 is connected to the frame 101 and is located inside the frame 101; the lifting seat 115 is connected to the spring 114, is slidably connected to the frame 101, and is located at one end of the spring 114; the connecting seat 116 is detachably connected to the lifting seat 115, is fixedly connected to the grinding bottom plate 109, and is located inside the lifting seat 115. Through the elasticity of the spring 114, the lifting seat 115 can move up and down, thereby enabling the valve ball 104 to move up and down, which is convenient The height of the valve ball 104 is adjusted so that the height of the valve ball 104 matches the grinding side plate 108. At the same time, the elasticity of the spring 114 drives the lifting seat 115 and the connecting seat 116 to move upward, thereby driving the grinding bottom plate 109 to move upward, so that the grinding bottom plate 109 can better abut against the bottom of the valve ball 104; through the detachable connection between the connecting seat 116 and the lifting seat 115, the grinding bottom plate 109 is conveniently replaced, thereby facilitating the grinding of valve balls 104 of different sizes.

[0027] In addition, the limiting protrusion 117 is arranged on the connecting seat 116 and is located on one side of the connecting seat 116; the limiting groove 118 is arranged on the lifting seat 115 and is located on the side of the lifting seat 115 close to the limiting protrusion 117. The limiting groove 118 cooperates with the limiting protrusion 117, and the limiting protrusion 117 is limited by the limiting groove 118, thereby limiting the connecting seat 116 and the grinding base plate 109, so that the grinding base plate 109 cannot rotate, thereby preventing the grinding base plate 109 from rotating with the rotation of the valve ball 104, thereby affecting the grinding of the valve ball 104.

[0028] When using the valve ball grinding tool of this embodiment, the valve ball 104 to be processed is placed on the grinding base plate 109, and then the valve ball 104 is clamped by the rotating component 102, and then the bidirectional screw 105 is driven to rotate by the driving motor 106, so that the bidirectional screw 105 drives the two movable plates 107 and the two grinding side plates 108 to approach each other, so that the two grinding side plates 108 can abut against the two sides of the valve ball 104. At this time, the grinding base plate 109 abuts against the bottom of the valve ball 104 under the action of the spring 114, and the two grinding side plates 108 abut against the two sides of the valve ball 104. The valve ball 104 is driven to rotate by the rotating component 102, so that the valve ball 104 can be ground, thereby facilitating the fixation of the valve ball 104 and improving the processing efficiency.

[0029] Second embodiment:

[0030] Based on the first embodiment, please refer to Figure 5 , Figure 5 2 is a schematic diagram of the installation structure of the rotating motor of the second embodiment. The rotating assembly 102 of this embodiment includes a hydraulic cylinder 201 , a rotating motor 202 and a three-jaw chuck 203 .

[0031] According to this specific embodiment, the hydraulic cylinder 201 is connected to the frame 101 and is located on one side of the frame 101; the rotating motor 202 is arranged on the hydraulic cylinder 201 and is connected to the output end of the hydraulic cylinder 201; the three-jaw chuck 203 is arranged on the rotating motor 202 and is connected to the output end of the rotating motor 202. The rotating motor 202 and the three-jaw chuck 203 are driven to descend by the hydraulic cylinder 201. When the three-jaw chuck 203 moves to the connecting shaft on the valve ball 104, the connecting shaft is clamped and fixed by the three-jaw chuck 203, thereby fixing the valve ball 104. The three-jaw chuck 203 is driven to rotate by the rotating motor 202, and then the valve ball 104 is driven to rotate, thereby grinding the valve ball 104.

[0032] 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 valve ball grinding tool, comprising a frame and a rotating assembly, wherein the rotating assembly is arranged on the frame, and characterized in that: Also included is a grinding assembly; The grinding assembly includes a bidirectional screw, a drive motor, a movable plate, a grinding side plate, a grinding bottom plate, an elastic component and a mounting component. The bidirectional screw is rotatably connected to the frame and is arranged on the frame. The drive motor is connected to the frame and is located on one side of the frame. The output end of the drive motor is connected to the bidirectional screw. The movable plate is threadedly connected to the bidirectional screw and is slidably connected to the frame and is sleeved on the bidirectional screw. The mounting component is arranged on the movable plate, the grinding side plate is connected to the movable plate through the mounting component, the elastic component is arranged on the frame, and the grinding bottom plate is connected to the frame through the elastic component.

2. The valve ball grinding tool according to claim 1, characterized in that: The mounting component includes a threaded rod and a locking nut. The threaded rod is fixedly connected to the grinding side plate, is located on one side of the grinding side plate, and penetrates the grinding side plate. The locking nut is threadedly connected to the threaded rod and sleeved on the threaded rod.

3. The valve ball grinding tool according to claim 1, characterized in that: The elastic component includes a spring, a lifting seat and a connecting seat. The spring is connected to the frame and is located inside the frame; the lifting seat is connected to the spring, slidably connected to the frame, and is located at one end of the spring; the connecting seat is detachably connected to the lifting seat, fixedly connected to the grinding base plate, and is located inside the lifting seat.

4. The valve ball grinding tool according to claim 3, characterized in that: The connecting seat has a limiting protrusion, which is arranged on the connecting seat and located on one side of the connecting seat; the lifting seat has a limiting groove, which is arranged on the lifting seat and located on a side of the lifting seat close to the limiting protrusion, and the limiting groove cooperates with the limiting protrusion.

5. The valve ball grinding tool according to claim 1, characterized in that: The rotating assembly includes a hydraulic cylinder, a rotating motor and a three-jaw chuck. The hydraulic cylinder is connected to the frame and is located on one side of the frame; the rotating motor is arranged on the hydraulic cylinder and connected to the output end of the hydraulic cylinder; the three-jaw chuck is arranged on the rotating motor and connected to the output end of the rotating motor.

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