Polishing device for piston rod machining

Abstract

The utility model discloses a polishing device for piston rod machining, which belongs to the technical field of piston rod machining and comprises a polishing and washing unit, a cleaning unit, a filtering unit and a water storage tank which are arranged in a working box. The polishing and flushing unit is arranged at the upper end of the fixing unit, the cleaning unit is arranged at the lower end of the fixing unit, the water storage tank is arranged at the lowest end of the working box, and the filtering unit is arranged at the upper end of the water storage tank. According to the grinding device for piston rod machining, the grinding disc and the flushing assembly are arranged at the upper end of the piston rod to be ground, the first motor drives the grinding disc to move left and right, and meanwhile the second motor is matched to drive the piston rod to rotate, so that grinding of the piston rod is achieved; and after polishing is completed, the flushing assembly is used for flushing, so that chippings flow to the filtering assembly along with water flow to be filtered and collected, and the water flow enters the water storage tank and finally enters the water storage tank to be reused.

Description

Technical Field

[0001] The utility model relates to the technical field of piston rod processing, in particular to a grinding device for piston rod processing. Background Art

[0002] A piston rod is a connecting component that supports the piston to do work. It is usually formed by rolling processing. A cold working hardening layer is formed on the rolling surface, reducing the elastic and plastic deformation of the contact surface of the grinding pair, improving the wear resistance of the piston rod surface, and avoiding burns caused by grinding. It is mainly used in the fields of hydraulics, construction machinery, and pneumatic vehicle manufacturing.

[0003] During the production and processing of the piston rod, it is necessary to grind the piston rod to remove the burrs on the surface of the piston rod. However, the debris of the existing grinding equipment directly scatters onto the processing table, making it very laborious to clean. And when grinding, water cooling is used for cooling, and the water flow directly drains from the surface of the processing table. The water flow with debris is inconvenient to collect and process. The structure is unreasonable, and a large amount of water resources are wasted, resulting in waste of resources.

[0004] Based on the above problems, a grinding device for piston rod processing is proposed. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a grinding device for piston rod processing. A grinding disc and a flushing component are arranged at the upper end of the piston rod to be ground. The grinding disc is driven by a first motor to move left and right, and at the same time, the piston rod is driven to rotate by a second motor to realize the grinding of the piston rod. After grinding, the flushing component is used for flushing, so that the debris flows to the filtering component with the water flow for filtering and collection, and the water flow enters the water storage tank and finally enters the water storage tank for reuse.

[0006] To achieve the above purpose, the utility model provides a grinding device for piston rod processing, including a grinding and flushing unit, a cleaning unit, a filtering unit, and a water storage tank arranged in a working box. A fixing unit for fixing the piston rod to be ground is arranged in the middle of the working box. The grinding and flushing unit is arranged at the upper end of the fixing unit. The cleaning unit is arranged at the lower end of the fixing unit. The water storage tank is arranged at the lowermost end of the working box. The filtering unit is arranged at the upper end of the water storage tank.

[0007] Preferably, a first support plate and a second support plate are arranged on the left side inside the working box. The left ends of the first support plate and the second support plate are both fixed on the left side wall of the working box, and the right ends are both fixed on a vertical plate. The top end of the vertical plate is connected to the first support plate, and the bottom end of the vertical plate is fixed on the bottom inner wall of the working box. The vertical plate is provided with a first card slot and a second card slot.

[0008] Preferably, the grinding and rinsing unit includes a moving component, a grinding disc and a rinsing component arranged on the moving component. The moving component includes a first motor and a screw rod connected to the output shaft of the first motor through a coupling. The first motor is arranged on a first support plate;

[0009] The other end of the screw rod is rotatably connected to the side wall of the working box. A slider is rotatably connected to the screw rod through a thread. The upper end of the slider is slidably abutted against a slide rail. The slide rail is arranged on the inner wall of the top end of the working box. The lower end of the slider is connected to a hydraulic cylinder.

[0010] Preferably, the lower end of the hydraulic cylinder is connected to a suspension plate. The lower end of the suspension plate is connected with a grinding disc and a rinsing component side by side. The rinsing component includes a rinsing water head and a rinsing water pump. The rinsing water pump is communicated with a water storage tank arranged outside the working box through a water delivery pipe.

[0011] Preferably, the fixing unit includes a rotating bearing and a rotating chuck. The rotating bearing is fixed on the right side wall of the working box. The rotating chuck is arranged on the first clamping groove of the vertical plate. One end of the rotating chuck is connected to the piston rod to be ground, and the other end is connected to the output shaft of a second motor. The second motor is arranged on a second support plate.

[0012] Preferably, the cleaning unit includes a cylinder group fixed on the vertical plate and a cleaning cotton arranged on the cylinder group. The cylinder group includes a first cylinder arranged parallel to the piston rod to be ground, and a second cylinder connected to the first cylinder through a connecting block. The second cylinder is arranged perpendicular to the piston rod to be ground. The cleaning cotton is arranged at the end of the second cylinder. The cleaning cotton is arranged in an arc shape adapted to the piston rod

[0013] Preferably, the filtering unit includes a screen wire frame, a first screen and a second screen arranged on the screen wire frame. One end of the screen wire frame is clamped in the second clamping groove of the vertical plate, and the other end is clamped in the right end side wall of the working box. The first screen is arranged above the second screen. The mesh number of the first screen is smaller than that of the second screen.

[0014] Preferably, a drain port is arranged at the lower end of the water storage tank. The drain port penetrates through the bottom wall of the working box and is connected to a water suction pipe. The water suction pipe is connected to the water storage tank. A filter cotton is arranged at the drain port.

[0015] Preferably, a water storage tank support plate is arranged at the rear end outside the working box. The water storage tank is arranged on the water storage tank support plate. A water pipe groove is opened at the upper end of the rear wall of the working box. The water delivery pipe passes through the water pipe groove and is connected to the rinsing water pump.

[0016] Therefore, the polishing device for a piston rod processing using the above structure in the present utility model is provided with a polishing disc at the upper end of the piston rod, which is controlled by a hydraulic cylinder to move to the polishing position. The polishing disc is driven by a first motor to move left and right, and at the same time, the piston rod is driven by a second motor to rotate. The two cooperate to complete the polishing work. After polishing, the flushing assembly is opened, and the piston rod is flushed by moving left and right, so that the debris falls with the water flow. The flushed debris falls into the filtering unit, and through the filtering of the first screen and the second screen, the clean water flows into the water storage tank, and the water is filtered again by the filter cotton at the drain port. The filtered clean water is sent to the water storage tank through the water suction pipe for the next use;

[0017] Both the first screen and the second screen are arranged on the screen rack, and the screen rack is clamped on the second card slot and the inner wall of the working box. The debris can be collected and processed by removing the screen rack.

[0018] Next, through the drawings and embodiments, the technical solutions of the present utility model will be further described in detail. Description of the Drawings

[0019] Figure 1 It is a schematic internal structure diagram of an embodiment of the present utility model;

[0020] Figure 2 It is a front-end schematic diagram of an embodiment of the present utility model;

[0021] Figure 3 It is a rear-end schematic diagram of an embodiment of the present utility model;

[0022] Among them, 1. Working box; 101. First support plate; 102. Second support plate; 103. Vertical plate; 104. Front door; 2. Water storage tank; 201. Drain port; 202. Water suction pipe; 203. Filter cotton; 3. First motor; 4. Screw rod; 5. Screw rod seat; 6. Slide block; 7. Slide rail; 8. Hydraulic cylinder; 9. Suspension plate; 10. Polishing disc; 11. Flushing water head; 12. Flushing water pump; 13. Rotating bearing; 14. Rotating chuck; 15. Second motor; 16. Cleaning cotton; 17. First cylinder; 18. Second cylinder; 19. Screen rack; 20. First screen; 21. Second screen; 22. Water storage tank support plate; 23. Water pipe groove; 24. Water supply pipe; 25. Water storage tank. Detailed Embodiment

[0023] The technical solutions of the present utility model will be further described below through the drawings and embodiments.

[0024] Unless otherwise defined, the technical terms or scientific terms used in this utility model shall have the ordinary meanings as understood by those with ordinary skills in the field to which this utility model belongs. The "first", "second" and similar terms used in this utility model do not denote any order, quantity or importance, but are only used to distinguish different components. The terms such as "comprising" or "including" mean that the elements or objects appearing before this term cover the elements or objects listed after this term and their equivalents, without excluding other elements or objects. The terms such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The terms such as "upper", "lower", "left" and "right" are only used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0025] Embodiment

[0026] As Figures 1-3 As shown in the figure, the present utility model provides a grinding device for processing a piston rod, which includes a grinding and flushing unit, a cleaning unit, a filtering unit and a water storage tank arranged in a working box 1. A fixing unit for fixing the piston rod to be ground is arranged in the middle of the working box 1. The grinding and flushing unit is arranged above the fixing unit, the cleaning unit is arranged below the fixing unit, the water storage tank 2 is arranged at the lowermost end of the working box 1, and the filtering unit is arranged above the water storage tank 2.

[0027] A first support plate 101 and a second support plate 102 are arranged on the left side inside the working box 1. The left ends of the first support plate 101 and the second support plate 102 are both fixed on the left side wall of the working box 1, and the right ends are both fixed on a vertical plate 103. The top end of the vertical plate 103 is connected to the first support plate 101, and the bottom end of the vertical plate 103 is fixed on the inner bottom wall of the working box 1. A first card slot and a second card slot are provided on the vertical plate 103. The first support plate 101, the second support plate 102, the vertical plate 103 and the bottom wall are fixed by screws. The front end of the working box 1 is connected with a front door 104 through a hinge. A transparent glass is provided on the front door 104, and the work inside the working box can be observed through the transparent glass at the front end.

[0028] The grinding and flushing unit includes a moving component and a grinding disc and a flushing component arranged on the moving component. The moving component includes a first motor 3 and a screw rod 4 connected to the output shaft of the first motor 3 through a coupling. The first motor 3 is a reversible motor and is placed on the first support plate 101;

[0029] The other end of the screw rod 4 is rotatably connected to the screw rod seat 5 on the side wall of the working box, and the screw rod seat 5 is fixed to the side wall by bolts. A slider 6 is rotatably connected to the screw rod 4 through a thread. An internal thread adapted to the thread on the screw rod 4 is provided inside the slider 6. By rotating the screw rod 4, the slider 6 can be driven to move left and right. The upper end of the slider 6 is slidably abutted against the slide rail 7. The slide rail 7 is fixed to the inner wall of the top of the working box 1 by bolts or other means. The lower end of the slider 6 is connected to a hydraulic cylinder 8 by bolts or other means. The lower end of the hydraulic cylinder 8 is connected to the suspension plate 9 by bolts or other conventional means. The lower end of the suspension plate 9 is connected with a grinding disc 10 and a flushing assembly side by side by bolts or other means. The flushing assembly includes a flushing water head 11 and a flushing water pump 12. The flushing water pump 12 is communicated with the water outlet of a water storage tank 25 arranged outside the working box through a water delivery pipe 24 by a flange.

[0030] During grinding, the controller controls the telescopic movement of the hydraulic cylinder 8 to ensure that the grinding disc 10 moves to the position of the piston rod to be ground. Here, the telescopic length of the hydraulic cylinder 8 can be controlled by the staff's observation, or it can be automatically controlled by setting an infrared sensor at the lower end of the grinding disc. After the position of the grinding disc 10 is fixed, the controller turns on the first motor 3 and the grinding disc 10. The first motor 3 drives the screw rod 4 to rotate, thereby driving the grinding disc 10 on the slider 6 to move left and right to achieve grinding.

[0031] After the grinding is completed, the grinding disc is turned off, and at the same time, the hydraulic cylinder 8 is controlled to move upward, so that the grinding disc 10 is far away from the piston rod, and then the flushing work is carried out. The controller controls the flushing water pump 12 to pump water, and then driven by the first motor, the flushing assembly moves left and right in the horizontal direction along the screw rod 4 to achieve the flushing of the piston rod.

[0032] The fixing unit includes a rotating bearing 13 and a rotating chuck 14. The rotating bearing 13 is fixed to the right side wall of the working box by bolts or other means. The rotating chuck 14 is arranged on the first clamping groove of the vertical plate by bolts. One end of the rotating chuck 14 is connected to the piston rod to be ground, and the other end is connected to the output shaft of the second motor 15. The rotating chuck 14 can realize the synchronous rotation of the output shaft of the second motor and the piston rod. The second motor 15 is arranged on the second support plate 14. Before the grinding work, both ends of the piston rod are respectively clamped into the rotating bearing 13 and the rotating chuck 14, the rotating chuck 14 is clamped into the first clamping groove, and bolts are used for fixing. Then the output shaft of the second motor 15 is connected to the rotating chuck 14. After the connection is completed, the front door of the working box 1 is closed for grinding work. After the position of the grinding disc 10 is fixed, the controller turns on the second motor 15. Through the transmission of the rotating chuck 14, the synchronous rotation between the output shaft of the second motor 15 and the piston rod is realized. Then the controller turns on the first motor 3 and the grinding disc 10, drives the screw rod 4 to rotate, and drives the grinding disc 10 on the slider 6 to grind the piston rod.

[0033] The cleaning unit includes a cylinder group fixed on the vertical plate and a cleaning cotton 16 arranged on the cylinder group. The cylinder group includes a first cylinder 17 arranged parallel to the piston rod to be polished and a second cylinder 18 connected to the first cylinder 17 through a connecting block. The second cylinder 18 is arranged perpendicular to the piston rod to be polished. The cleaning cotton 16 is arranged at the end of the second cylinder 18. The cleaning cotton 16 is arranged in an arc shape adapted to the piston rod. Each component in the cleaning unit is connected by bolts. After the flushing is completed, the second cylinder 18 is controlled to open by the controller, and the second cylinder 18 is controlled to extend to realize the abutment between the cleaning cotton 16 and the piston rod. Then the first cylinder 17 is controlled to open, and the extension and contraction of the first cylinder 17 are controlled to realize the wiping of the moisture on the piston rod. During this process, the rotation speed of the second motor 15 can be controlled to change the rotation speed of the piston rod. The extension and contraction of the first cylinder 17 and the second cylinder 18 can be controlled by manual judgment or automatically controlled by setting infrared sensors at the tops of the first cylinder 17 and the second cylinder 18.

[0034] The filtering unit includes a screen frame and a first screen 20 and a second screen 21 arranged on the screen frame 19. One end of the screen frame 19 is clamped on the second card slot of the vertical plate, and the other end is clamped on the right side wall of the working box. The first screen 20 is arranged above the second screen 21. The mesh number of the first screen 20 is smaller than that of the second screen 21. Both the first screen 20 and the second screen 21 are detachably connected to the screen frame 19 by bolts. The screen frame 19 is clamped on the first card slot and the side wall of the working box, and both can be fixed by bolts. After working multiple times, the bolts at the screen frame 19 can be removed to take out the screen frame 19, and then the first screen 20 and the second screen 21 can be detached to clean or replace them.

[0035] A drain port 201 is arranged at the lower end of the water storage tank 2. The drain port 201 penetrates through the bottom wall of the working box and is connected to a water suction pipe 202. The water suction pipe 202 is connected to the water storage tank 25. A filter cotton 203 is arranged at the drain port 201 to filter the water flow again.

[0036] A water storage tank support plate 22 is arranged at the outer rear end of the working box 1 by bolts. The water storage tank 25 is arranged on the water storage tank support plate 22. A water pipe groove 23 is opened at the upper end of the rear wall of the working box 1. A water supply pipe 24 passes through the water pipe groove 23 and is connected to the flushing water pump 12. The water pipe groove 23 can also be ventilated.

[0037] Therefore, the polishing device for a piston rod processed by the present utility model with the above structure is provided with a polishing disc and a flushing component at the upper end of the piston rod to be polished. The polishing disc is driven by a first motor to move left and right, and at the same time, the piston rod is driven to rotate by a second motor to achieve the polishing of the piston rod. After polishing, the flushing component is used for flushing, so that the debris flows with the water to the filtering component for filtering and collection, and the water flows into the water storage tank and finally into the water storage tank for reuse.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and not to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that they can still modify or equivalently replace the technical solutions of the present utility model, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present utility model.

Claims

1. A grinding device for piston rod processing, characterized in that: The utility model comprises a grinding and flushing unit, a cleaning unit, a filtering unit and a water storage tank arranged in a working box, wherein a fixing unit for fixing a piston rod to be grinded is arranged in the middle of the working box, the grinding and flushing unit is arranged at the upper end of the fixing unit, the cleaning unit is arranged at the lower end of the fixing unit, the water storage tank is arranged at the lowest end of the working box, and the filtering unit is arranged at the upper end of the water storage tank; A first support plate and a second support plate are provided on the left side of the working box, the left ends of the first support plate and the second support plate are fixed to the left side wall of the working box, and the right ends are fixed to the vertical plate, the top end of the vertical plate is connected to the first support plate, and the bottom end of the vertical plate is fixed to the inner wall of the bottom end of the working box, and the vertical plate is provided with a first slot and a second slot; The grinding and flushing unit includes a moving assembly and a grinding disc and a flushing assembly arranged on the moving assembly, the moving assembly includes a first motor and a screw connected to the output shaft of the first motor through a coupling, and the first motor is arranged on a first support plate; The other end of the screw is rotatably connected to the side wall of the working box, a slider is rotatably connected to the screw through a thread, the upper end of the slider is slidably abutted against a slide rail, the slide rail is arranged on the top inner wall of the working box, and the lower end of the slider is connected to a hydraulic cylinder; The lower end of the hydraulic cylinder is connected to the hanging plate, and the lower end of the hanging plate is connected side by side with a grinding disc and a flushing assembly, and the flushing assembly includes a flushing water head and a flushing water pump, and the flushing water pump is connected to a water storage tank arranged outside the working box through a water supply pipe; The fixing unit includes a rotating bearing and a rotating chuck, wherein the rotating bearing is fixed on the right side wall of the working box, the rotating chuck is arranged on the first slot of the vertical plate, one end of the rotating chuck is connected to the piston rod to be polished, and the other end is connected to the output shaft of the second motor, and the second motor is arranged on the second support plate; The cleaning unit comprises a cylinder group fixed on the vertical plate and cleaning cotton arranged on the cylinder group, the cylinder group comprises a first cylinder arranged parallel to the piston rod to be polished, a second cylinder connected to the first cylinder through a connecting block, the second cylinder is arranged perpendicular to the piston rod to be polished, the cleaning cotton is arranged at the end of the second cylinder, and the cleaning cotton is arranged in an arc shape adapted to the piston rod; The filtering unit comprises a screen frame and a first screen and a second screen arranged on the screen frame, one end of the screen frame is clamped on the second clamping groove of the vertical plate, and the other end is clamped on the right end side wall of the working box, the first screen is arranged on the upper end of the second screen, and the mesh number of the first screen is smaller than that of the second screen; A drain outlet is provided at the lower end of the water storage tank, the drain outlet passes through the bottom wall of the working box and is connected to a water pumping pipe, and the water pumping pipe is connected to the water storage tank; A water tank support plate is arranged at the outer rear end of the working box, the water tank is arranged on the water tank support plate, a water pipe groove is opened at the upper end of the rear wall of the working box, and the water supply pipe passes through the water pipe groove and is connected to the flushing water pump.

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