Valve grinding machine

Abstract

The utility model relates to the technical field of grinding equipment, in particular to a valve grinding machine. Comprising a frame body used as a supporting foundation, a clamping mechanism used for fixing a valve, a rotating mechanism used for rotating and switching a valve flange, a grinding mechanism used for grinding and polishing the end face of the flange, a grinding piece used for grinding and polishing the side face of the flange and an air cylinder used for controlling the grinding mechanism to move up and down. When the valve flanges are polished, the clamping mechanism fixes the valve firstly, the flanges at the two ends of the valve are located on the two sides of the clamping mechanism respectively, the polishing mechanism moves in the direction close to the valve till complete contact is achieved, the end face of one flange of the valve is polished, and meanwhile the polishing piece polishes the side faces of the flanges; the rotating mechanism drives the clamping mechanism to rotate by 180 degrees, the grinding mechanism grinds the other flange on the valve, after grinding is completed, the driving assembly controls the two clamping pieces to be away from each other, the valve is taken out, grinding of one valve flange is completed, and the grinding efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to a polishing equipment technical field especially valve polisher. BACKGROUND

[0002] Valve is used to open and close pipeline, controls flow direction, adjusts and controls the parameter of pipeline accessory of conveying medium, according to its function, can be divided into shut-off valve, check valve, regulating valve etc., valve is the most simple and practical device of controlling fluid flow, everywhere can be seen in daily life, valve is important control component in fluid conveying system simultaneously, has the functions such as cut-off, regulation, flow guide, prevent backflow, pressure stabilization, shunt or overflow pressure relief.

[0003] And usually use flange to fix between valve and pipeline or pipe, generally, burr exists on the surface of valve flange after processing, directly putting into use can influence its original effect, therefore need to carry out deburring polishing treatment to the surface of valve flange after processing, the traditional polishing mode is to first fix valve, and the worker makes polishing tool polish one flange of valve, needs to unload valve on the fixing device after polishing, rotates 180 degrees and then fixes again, and then polishes the other flange, needs to unload and fix valve for many times in the polishing process, consumes labor, and the operation is complex, and the polishing efficiency is low. CONTENT OF THE UTILITY MODEL

[0004] In order to improve the polishing efficiency of the flange on the valve, the utility model provides a valve polisher.

[0005] The utility model provides a valve polisher adopts the following technical scheme:

[0006] A valve polisher, including frame body, clamping mechanism, rotating mechanism and polishing mechanism, the clamping mechanism includes two clamping pieces and drive assembly, the clamping piece is slidably connected on the drive assembly, the drive assembly can control two clamping pieces to be close to or away from each other, the rotating mechanism is rotatably connected with the frame body, the clamping mechanism is arranged in the frame body, the clamping mechanism is fixedly connected with the rotating mechanism, the polishing mechanism is arranged on the upper portion of clamping mechanism, and the polishing mechanism is slidably connected with the frame body, through the above-mentioned setting, first, the valve is placed between two clamping pieces, the drive assembly works, and two clamping pieces are close to each other and clamp the middle part of the valve, and the flanges at both ends of the valve are respectively on the two sides of the clamping piece, and the polishing mechanism polishes one flange of the valve, after polishing, the rotating mechanism drives the clamping mechanism to rotate 180 degrees, and the polishing mechanism polishes the other flange on the valve again, after polishing, the drive assembly controls two clamping pieces to be away from each other, and the valve is taken out, and the valve that has not been polished is installed again to repeat the above-mentioned steps to polish, and the valve polisher is simple to operate, and two opposite flanges of the valve are polished without needing to unload and fix for many times, so that the polishing efficiency is high.

[0007] Further, the middle part of the clamping piece is arranged in a circular arc shape, two clamping pieces are arranged in mirror image, both ends of the clamping piece are provided with connecting pieces, the connecting pieces are fixedly connected with the clamping piece, and the end of the connecting piece away from the clamping piece is fixedly connected with a sliding block; through the above arrangement, the circular arc arranged in the middle part of the clamping piece is matched with the clamped part of the valve, and the two clamping pieces can fix the valve.

[0008] Further, the driving assembly comprises a first fixed plate, a second fixed plate, a first motor, a lead screw and a guide rod, the guide rod is arranged in two, the guide rod is fixedly connected between the first fixed plate and the second fixed plate, the lead screw is rotatably connected between the first fixed plate and the second fixed plate, the first motor is fixedly connected on the end face of the first fixed plate away from the second fixed plate, the first motor is fixedly connected with the lead screw, the lead screw has a first section and a second section, the screw threads of the first section and the second section are opposite in rotation direction, the sliding block of the two clamping pieces is provided with a threaded hole matched with the lead screw and a through hole matched with the guide rod, and the lead screw and the guide rod pass through in the sliding block; through the above arrangement, when the valve is fixed, the first motor rotates to drive the lead screw to rotate, and the two clamping pieces approach each other until the valve is clamped tightly, without manual operation for clamping, the operation is convenient, and the efficiency of fixing the valve is improved.

[0009] Further, the frame body comprises a bottom plate, side plates are vertically arranged on both sides of the bottom plate, a vertical plate is vertically arranged at the rear end of the bottom plate, a horizontal plate is fixedly connected to the top of the vertical plate, and the horizontal plate is parallel to the bottom plate.

[0010] Further, the rotating mechanism comprises a second motor, a first rotating rod and a second rotating rod, the first rotating rod is fixedly connected to the end face of the first fixed rod away from the second fixed plate, the second rotating rod is fixedly connected to the end face of the second fixed rod away from the first fixed rod, the first rotating rod and the second rotating rod are rotatably connected with the side plates on both sides respectively, the motor is fixedly connected to the outer side face of the side plate where the second rotating rod is located, and the output shaft of the motor is in transmission connection with the second rotating rod; through the above arrangement, after the flange at one end of the valve is polished, the flange at the other end needs to be polished, at this time, the second motor is started to drive the second transmission rod to rotate by 180 degrees, and at the same time, the first fixed plate and the second fixed plate also drive the clamping piece to rotate by 180 degrees, so that the position conversion of the flanges at both ends of the valve is realized, and the valve is polished again, without the need to disassemble and fix the valve multiple times, the operation steps are simplified, and the polishing efficiency is improved.

[0011] Further, the polishing mechanism comprises a third motor, a moving plate and a grinding disc, the moving plate is parallel to the bottom plate, the third motor is fixedly connected to the upper portion of the moving plate, the moving plate is arranged on the vertical plate, the moving plate is in sliding connection with the vertical plate, the sliding direction of the moving plate is perpendicular to the bottom plate, the grinding disc is arranged on the lower portion of the moving plate, and the third motor is in transmission connection with the grinding disc; through the above arrangement, after the valve is fixed, the moving plate moves along the vertical plate to the direction close to the valve until the flange of the valve is contacted, the third motor is started to drive the grinding disc to rotate and polish the flange of the valve, after the polishing is completed, the moving plate moves along the vertical plate to the direction away from the valve, the rotating mechanism drives the valve to rotate by 180 degrees, the moving plate moves along the vertical plate to the direction close to the valve until the flange of the valve is contacted, and the other flange is polished, the above polishing mode is uniform in stress, reduces the operation error of manual polishing, and improves the polishing quality.

[0012] Further, one end surface of the grinding disc away from the moving plate is fixedly connected with a polishing piece; through the above arrangement, when the grinding disc polishes the end surface of the flange, the side surface of the flange can also be polished at the same time.

[0013] Further, a pneumatic cylinder is arranged between the horizontal plate and the moving plate, the pneumatic cylinder has a fixed end and a connecting end, the fixed end of the pneumatic cylinder is fixedly connected to the horizontal plate, and the connecting end of the pneumatic cylinder is fixedly connected to the moving plate; through the above arrangement, the electric control of the up-down movement of the moving plate can be realized, and labor is saved.

[0014] Further, a controller is further arranged on the bottom plate, and the controller is electrically connected with the first motor, the second motor, the third motor and the pneumatic cylinder respectively; through the above arrangement, the controller can control the start and stop of each motor and the pneumatic cylinder.

[0015] In summary, the utility model has at least one of the following beneficial technical effects:

[0016] 1. Through the arrangement of the clamping mechanism and the rotating mechanism, the arc arranged in the middle of the clamping piece is matched with the clamped part of the valve, the two clamping pieces can fix the valve, manual operation for clamping is not needed, the operation is convenient, the efficiency of fixing the valve is improved, the rotating mechanism drives the clamping mechanism to rotate by 180 degrees, and the switching of polishing of the flanges at two ends is completed without disassembling the valve.

[0017] 2. Through the arrangement of the polishing mechanism, the grinding disc can move up and down, the parallelism between the grinding disc and the flange of the valve can be ensured, the contact is close, the stress of polishing is uniform, the operation error of manual polishing is reduced, and the polishing quality is improved.

[0018] 3. By setting grinding discs on the side of the grinding wheel, the grinding wheel can grind the flange side at the same time as the flange end face, resulting in high grinding efficiency. Attached Figure Description

[0019] Figure 1 This is a first-person view structural diagram of the entire application;

[0020] Figure 2 This is a structural diagram of the entire application from a second perspective;

[0021] Figure 3 This is a schematic diagram of the clamping mechanism of this application;

[0022] Figure 4 This is a schematic diagram of the structure of the clamping component of this application;

[0023] Figure 5 This is a structural schematic diagram of the frame of this application;

[0024] Figure 6 This is a cross-sectional structural diagram of the frame and the movable plate in this application.

[0025] Figure 7 This is a schematic diagram of the grinding mechanism of this application;

[0026] Reference numerals: 100, frame; 110, base plate; 120, side plate; 130, vertical plate; 140, horizontal plate; 210, clamping component; 220, connecting component; 230, slider; 240, drive assembly; 241, first fixed plate; 242, second fixed plate; 243, first motor; 244, lead screw; 245, guide rod; 310, second motor; 320, first rotating rod; 330, second rotating rod; 410, third motor; 420, moving plate; 430, grinding wheel; 440, grinding disc; 450, T-block; 460, T-slot; 500, cylinder; 600, controller. Detailed Implementation

[0027] The technical solutions of this utility model are clearly and completely described below through specific embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0028] The following combinationFigures 1 to 7 The utility model makes further detailed description.

[0029] The utility model discloses a valve polisher, refer to Figure 1 Including the frame body 100 for being used as the support base, the clamping mechanism for fixing the valve, the rotating mechanism for rotating the switch valve flange, the polishing mechanism for polishing the flange end face, the polishing piece 440 for polishing the flange side and the cylinder 500 for controlling the up and down movement of polishing mechanism, when polishing the valve flange, the clamping mechanism first fixes the valve, and the flange of the valve both ends is respectively in the both sides of clamping mechanism, and the polishing mechanism moves to the direction close to the valve until complete contact, and the end face of one flange of the valve is polished, and simultaneously the polishing piece 440 is polished to the side of the flange, after polishing, the rotating mechanism drives the clamping mechanism to rotate 180 degrees, and the polishing mechanism again polishes the other flange on the valve, after polishing, the driving assembly 240 controls two clamping pieces 210 to be away from each other, and the valve is taken out, and the polishing of one valve flange is completed, and the valve polisher is simple to operate, and the polishing of two opposite flanges of the valve does not need to be disassembled and fixed for many times, and the polishing efficiency is high.

[0030] Refer to Figure 5 The frame body 100 includes the bottom plate 110, and the side plate 120 is vertically arranged on both sides of the bottom plate 110, and the vertical plate 130 is vertically arranged at the rear end of the bottom plate 110, and the horizontal plate 140 is fixedly connected to the top of the vertical plate 130, and the horizontal plate 140 is parallel to the bottom plate 110.

[0031] Refer to Figures 3-4 The utility model increases the following technical features (the structure of the clamping mechanism is as follows): the clamping mechanism is arranged between the two side plates 120 of the frame body 100, and the clamping mechanism includes two clamping pieces 210 and a driving assembly 240, the clamping piece 210 is slidably connected to the driving assembly 240, the driving assembly 240 can control the two clamping pieces 210 to be close to or away from each other, the middle part of the clamping piece 210 is arranged in a circular arc shape, the two clamping pieces 210 are mirror image arranged, the two ends of the clamping piece 210 are provided with the connecting piece 220, the connecting piece 220 is fixedly connected to the clamping piece 210, and the end, away from the clamping piece 210, of the connecting piece 220 is fixedly connected with the sliding block 230.

[0032] In the embodiment, the driving assembly 240 comprises a first fixed plate 241, a second fixed plate 242, a first motor 243, a lead screw 244 and guide rods 245, the guide rods 245 are provided in two, the guide rods 245 are fixedly connected between the first fixed plate 241 and the second fixed plate 242, the lead screw 244 is rotatably connected between the first fixed plate 241 and the second fixed plate 242, the first motor 243 is fixedly connected to an end face of the first fixed plate 241 away from the second fixed plate 242, the first motor 243 is fixedly connected with the lead screw 244, the lead screw 244 has a first section and a second section, the threads of the first section and the second section are opposite in rotation direction, the sliding blocks 230 of the two clamping pieces 210 are provided with threaded holes matched with the lead screw 244 and through holes matched with the guide rods 245, and the lead screw 244 and the guide rods 245 pass through in the sliding blocks 230.

[0033] In this way, the arc provided in the middle of the clamping piece 210 is matched with the clamped part of the valve, the two clamping pieces 210 can fix the valve, when the valve is fixed, the first motor 243 rotates to drive the lead screw 244 to rotate, the two clamping pieces 210 move closer to each other along the guide rods 245, until the valve is clamped tightly, manual operation is not needed for clamping, the operation is convenient, and the efficiency of fixing the valve is improved.

[0034] With reference to Figures 1-2 , the following technical features are added in the embodiment (the following specific settings are made to the structure of the rotating mechanism): the rotating mechanism is rotatably connected with the frame body 100, the clamping mechanism is fixedly connected with the rotating mechanism, the rotating mechanism comprises a second motor 310, a first rotating rod 320 and a second rotating rod 330, the first rotating rod 320 is fixedly connected to an end face of the first fixed rod away from the second fixed plate 242, the second rotating rod 330 is fixedly connected to an end face of the second fixed rod away from the first fixed rod, the first rotating rod 320 and the second rotating rod 330 are rotatably connected with the side plates 120 on the two sides respectively, the motor is fixedly connected to an outer side face of the side plate 120 where the second rotating rod 330 is located, and the output shaft of the motor is in transmission connection with the second rotating rod 330.

[0035] In this way, after the flange at one end of the valve is polished by the polishing mechanism, the flange at the other end needs to be polished, at this time, the second motor 310 is started to drive the second transmission rod to rotate by 180 degrees, at the same time, the first fixed plate 241 and the second fixed plate 242 also drive the clamping pieces 210 to rotate by 180 degrees, the position conversion of the flanges at the two ends of the valve is realized, and the valve is polished again, without the need to disassemble and fix the valve multiple times, the operation steps are simplified, and the polishing efficiency is improved.

[0036] With reference to Figure 1 , Figures 6-7The embodiment adds the following technical features (the following specific settings are made to the structure of the polishing mechanism): the polishing mechanism is arranged on the upper portion of the clamping mechanism and is in sliding connection with the frame body 100; the polishing mechanism comprises a third motor 410, a moving plate 420 and a grinding disc 430; the moving plate 420 is parallel to the bottom plate 110; the third motor 410 is fixedly connected to the upper portion of the moving plate 420; the moving plate 420 is arranged on the vertical plate 130 and is in sliding connection with the vertical plate 130; the sliding direction of the moving plate 420 is perpendicular to the bottom plate 110; preferably, a T-shaped block 450 is arranged on the side surface of the moving plate 420; a T-shaped groove 460 is arranged at the corresponding position of the vertical plate 130; the T-shaped block 450 is adapted to the T-shaped groove 460; the T-shaped block 450 is arranged in the T-shaped groove 460 and can move up and down along the T-shaped groove 460; the grinding disc 430 is arranged on the lower portion of the moving plate 420; the third motor 410 is in transmission connection with the grinding disc 430; and the end surface of the grinding disc 430 away from the moving plate 420 is fixedly connected with a grinding piece 440.

[0037] In the embodiment, a pneumatic cylinder 500 is arranged between the horizontal plate 140 and the moving plate 420; the pneumatic cylinder 500 has a fixed end and a connecting end; the fixed end of the pneumatic cylinder 500 is fixedly connected to the horizontal plate 140; and the connecting end of the pneumatic cylinder 500 is fixedly connected to the moving plate 420.

[0038] In this way, after the valve is fixed, the pneumatic cylinder 500 works to drive the moving plate 420 to move up and down; the moving plate 420 moves along the vertical plate 130 to the direction close to the valve until the moving plate 420 contacts the flange of the valve; the third motor 410 is started to drive the grinding disc 430 to rotate and polish the flange of the valve; the grinding disc 430 can polish the side surface of the flange at the same time when polishing the end surface of the flange; after the polishing is completed, the moving plate 420 moves along the vertical plate 130 to the direction away from the valve; the rotating mechanism drives the valve to rotate by 180 degrees; the moving plate 420 moves along the vertical plate 130 to the direction close to the valve until the moving plate 420 contacts the flange of the valve; and the other flange is polished again. The above-mentioned polishing method is uniform in stress, reduces the human operation error in polishing, improves the polishing quality, and realizes the electric control of the pneumatic cylinder 500 to drive the moving plate 420 to move up and down, thereby saving labor.

[0039] Reference Figures 1-2 The bottom plate 110 is further provided with a controller 600; the controller 600 is in electrical connection with the first motor 243, the second motor 310, the third motor 410 and the pneumatic cylinder 500 respectively. The controller 600 is a prior art and will not be described here.

[0040] In this way, the controller 600 can control the start and stop of each motor and the pneumatic cylinder 500.

[0041] The implementation principle of the embodiment is:

[0042] In the fixing of the valve, the controller 600 controls the first motor 243 to rotate, drives the lead screw 244 to rotate, and the two clamping pieces 210 are close to each other along the guide rod 245 until the valve is clamped, without manual operation for clamping, convenient operation; after the valve is fixed, the cylinder 500 works to drive the moving plate 420 to move up and down, the moving plate 420 moves along the vertical plate 130 to the direction close to the valve until the flange of the valve is contacted, the controller 600 controls the third motor 410 to start, drives the grinding disc 430 to rotate, and grinds the flange of the valve, the grinding disc 430 can also grind the side surface of the flange at the same time when grinding the end surface of the flange, after grinding, the cylinder 500 drives the moving plate 420 to move along the vertical plate 130 to the direction away from the valve, and the flange at the other end needs to be ground, at this time, the controller 600 controls the second motor 310 to start, drives the second transmission rod to rotate 180 degrees, and the first fixed plate 241 and the second fixed plate 242 also drive the clamping piece 210 to rotate 180 degrees, the position conversion of the flanges at both ends of the valve is realized, the cylinder 500 drives the moving plate 420 to move along the vertical plate 130 to the direction close to the valve until the flange of the valve is contacted, and the other flange is ground, the above-mentioned grinding mode is uniform in stress, reduces the human operation grinding error, improves the grinding quality, and the cylinder 500 can realize the electric control of the moving plate 420 to move up and down, saves the labor.

[0043] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A valve refacer characterized by, Including frame body, clamping mechanism, rotating mechanism and polishing mechanism, the clamping mechanism includes two clamping pieces and a driving assembly, the clamping pieces are slidingly connected to the driving assembly, the driving assembly can control the two clamping pieces to approach or move away from each other, the rotating mechanism is rotationally connected to the frame body, the clamping mechanism is arranged in the frame body, the clamping mechanism is fixedly connected to the rotating mechanism, and the polishing mechanism is arranged on the upper portion of the clamping mechanism.

2. The valve refacer of claim 1 wherein, The middle part of the clamping piece is provided in a circular arc shape, and the two clamping pieces are mirror image arranged, both ends of the clamping piece are provided with connecting pieces, the connecting pieces are fixedly connected to the clamping piece, and the end of the connecting piece away from the clamping piece is fixedly connected with a sliding block.

3. The valve refacer of claim 2 wherein, The driving assembly includes a first fixed plate, a second fixed plate, a first motor, a lead screw and a guide rod, the guide rod is provided in two, and the guide rod is fixedly connected between the first fixed plate and the second fixed plate, the lead screw is rotationally connected between the first fixed plate and the second fixed plate, the first motor is fixedly connected to the end face of the first fixed plate away from the second fixed plate, the first motor is fixedly connected to the lead screw, the lead screw has a first section and a second section, the thread rotation directions of the first section and the second section are opposite, the sliding block of the two clamping pieces is provided with a threaded hole matched with the lead screw and a through hole matched with the guide rod, and the lead screw and the guide rod pass through in the sliding block.

4. The valve refacer of claim 3 wherein, The frame body includes a bottom plate, side plates are vertically arranged on both sides of the bottom plate, a vertical plate is vertically arranged at the rear end of the bottom plate, a horizontal plate is fixedly connected to the top of the vertical plate, and the horizontal plate is parallel to the bottom plate.

5. The valve refacer of claim 4 wherein, The rotating mechanism includes a second motor, a first rotating rod and a second rotating rod, the first rotating rod is fixedly connected to the end face of the first fixed rod away from the second fixed plate, the second rotating rod is fixedly connected to the end face of the second fixed rod away from the first fixed rod, the first rotating rod and the second rotating rod are rotationally connected to the side plates on both sides respectively, the motor is fixedly connected to the outer side face of the side plate where the second rotating rod is located, and the output shaft of the motor is in transmission connection with the second rotating rod.

6. The valve refacer of claim 5 wherein, The polishing mechanism includes a third motor, a moving plate and a grinding disc, the moving plate is parallel to the bottom plate, the third motor is fixedly connected to the upper portion of the moving plate, the moving plate is arranged on the vertical plate, the moving plate is slidingly connected to the vertical plate, the sliding direction of the moving plate is perpendicular to the bottom plate, the grinding disc is arranged on the lower portion of the moving plate, and the third motor is in transmission connection with the grinding disc.

7. The valve refacer of claim 6 wherein, The end face of the grinding disc away from the moving plate is fixedly connected with a grinding piece.

8. The valve refacer of claim 6 wherein, A pneumatic cylinder is arranged between the horizontal plate and the moving plate, the pneumatic cylinder has a fixed end and a connecting end, the fixed end of the pneumatic cylinder is fixedly connected to the horizontal plate, and the connecting end of the pneumatic cylinder is fixedly connected to the moving plate.

9. The valve refacer of claim 8 wherein A controller is further arranged on the bottom plate, and the controller is electrically connected with the first motor, the second motor, the third motor and the pneumatic cylinder respectively.

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