Polishing device for piston rod of oil cylinder

Abstract

The utility model relates to the field of oil cylinders, in particular to an oil cylinder piston rod polishing device which comprises a working table and a rotary clamping mechanism connected to one side of the working table, an ejector pin mechanism is connected to the working table, and a linear module erected on the working table is arranged between the ejector pin mechanism and the rotary clamping mechanism. The polishing device further comprises a driving mechanism for driving the linear module to move, the linear module is connected with a polishing mechanism, the polishing mechanism comprises a box body and a protective shell connected to one side of the box body, and a multi-leaf wheel is rotationally connected into the protective shell. The arc-shaped dust collection baffle is adjusted according to different positions and angles of the piston rod through the telescopic rotary adjusting mechanism, so that the arc-shaped dust collection baffle is attached to the surface of the piston rod, and dust and splashes generated in the polishing process are better captured by matching with an external dust collector, so that the generation of the dust and the splashes is reduced; the dust collection effect is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of oil cylinder especially relates to an oil cylinder piston rod polishing device. BACKGROUND

[0002] The oil cylinder piston rod is a slender rod component connecting the piston and the cylinder barrel in the oil cylinder, used for transmitting force and driving the piston to move, and it usually has high coaxiality, wear resistance and surface roughness requirements to ensure the normal operation and long-term reliability of the oil cylinder, and it is an important component in the oil cylinder, mainly applied in the motion execution components such as oil cylinder and air cylinder, responsible for transmitting the force acting on the piston and driving the piston to reciprocate, in the process of oil cylinder production, in order to prolong the service life of the oil cylinder, improve the surface quality of the piston rod, reduce friction and wear, the surface of the piston rod needs to be polished, generally using the thousand leaf wheel and other polishing wheels for polishing to remove the small defects, unevenness and oxidation layer on the surface of the piston rod, thereby reducing the surface roughness of the piston rod and making it more delicate, and the smaller surface roughness helps to reduce the friction damage between the piston rod and the sealing ring or sealing element, improve the fitting property, thereby ensuring the sealing property and reliability of the oil cylinder.

[0003] For the related technology in the above, the inventor finds that in the polishing process, the polishing wheel will rub with the surface of the piston rod, and in this process, splashes, dust and other substances will be generated, not only the phenomenon of splashes hurting people will occur, but also serious pollution to the processing environment will be caused. UTILITY MODEL CONTENTS

[0004] The technical problem solved by the utility model is to provide an oil cylinder piston rod polishing device, which reduces the phenomenon of splashes hurting people and reduces the generation of dust.

[0005] To solve the above technical problems, one technical scheme of the utility model is to provide an oil cylinder piston rod polishing device, which comprises a workbench and a rotary clamping mechanism connected to one side of the workbench, a thimble mechanism is connected to the workbench, a linear module is arranged between the thimble mechanism and the rotary clamping mechanism and arranged on the workbench, a driving mechanism is arranged to drive the linear module to move, a polishing mechanism is connected to the linear module, the polishing mechanism comprises a box body and a protective shell connected to one side of the box body, a thousand leaf wheel is rotatably connected in the protective shell, a driving device is installed on the side of the box body away from the thousand leaf wheel to drive the thousand leaf wheel to rotate, and a rotary dust collection mechanism is connected to the top of the protective shell.

[0006] The rotating dust collection mechanism comprises an arc-shaped dust collection baffle with a hollow cavity and an arc-shaped cross section and vertical section, a telescopic rotating adjusting mechanism is connected to the top of the arc-shaped dust collection baffle, a conical dust collection port is connected to the bottom of the arc-shaped dust collection baffle, the conical dust collection port is connected with an external dust collector through a hose, the inner cavity of the arc-shaped dust collection baffle is communicated with the conical dust collection port, and a plurality of dust collection holes are formed in the inner side of the arc-shaped dust collection baffle.

[0007] By adopting the above technical scheme, the rotating clamping mechanism cooperates with the ejector pin mechanism to position the piston rod, and simultaneously rotates the piston rod, so that the piston rod can be uniformly stressed during polishing, the linear module is responsible for driving the polishing mechanism to move in the horizontal direction, and the polishing of different parts of the piston rod is realized, so as to meet the polishing requirements of piston rods of different sizes and shapes, and the driving mechanism linear module provides power to drive the polishing mechanism to move in the specified direction, so as to polish the piston rod, in the polishing process, the protective shell is used to protect the operating personnel from the splashes and dust during polishing, and the rotating dust collection mechanism is used to collect the dust and splashes generated during polishing, so as to reduce the pollution to the processing environment, the arc-shaped dust collection baffle is matched with the dust collection hole in the shape of the piston rod, the dust and splashes generated during polishing are captured, and the collected dust and splashes are transported to the dust collector through the hose connected with the external dust collector for treatment, so as to reduce the generation of dust and splashes, and in addition, under the action of the telescopic rotating adjusting mechanism, the arc-shaped dust collection baffle is adjusted according to different positions and angles of the piston rod, so as to ensure the dust collection effect.

[0008] In a preferred example, the telescopic rotating adjusting mechanism comprises a sleeve and a moving plate slidably connected to the inner side of the sleeve, a plurality of limiting grooves are formed at the top of the moving plate at intervals, a butterfly bolt is threadedly provided at the top of the sleeve, one end of the butterfly bolt is located in the corresponding limiting groove, an opening is formed at the end of the moving plate away from the sleeve, and a limiting assembly is connected in the opening.

[0009] By adopting the above technical scheme, the rotating butterfly bolt adjusts the telescopic length of the moving plate in the sleeve, so as to change the distance between the arc-shaped dust collection baffle and the piston rod, and ensure that the dust collection effect is optimal, and the limiting assembly allows the arc-shaped dust collection baffle to be rotationally adjusted within a certain range, so as to adapt to different positions and angles of the piston rod, and further improve the dust collection efficiency.

[0010] In a preferred example, the limiting assembly comprises a spline shaft rod rotationally connected to the inner side of the opening, a connecting block is engaged and sleeved on the spline shaft rod, one end of the spline shaft rod extends to one side of the moving plate and is threadedly connected with a butterfly nut, and one end of the butterfly nut is in abutting connection with the moving plate.

[0011] By adopting the above technical scheme, the spline groove of the spline shaft rod is used for meshing transmission with the connecting block, the operator can rotate the butterfly nut to make the spline shaft rod rotate, drive the connecting block and the arc dust suction baffle to rotate and adjust, adapt to different positions and angles of the piston rod, and after the arc dust suction baffle is adjusted to the appropriate position, the butterfly nut is tightened to prevent the spline shaft rod from moving, and then the position of the arc dust suction baffle at the specific rotation angle is locked, so that the rotary dust suction mechanism can more flexibly adapt to piston rods of different shapes and sizes.

[0012] In a preferred example, the rotating clamping mechanism further comprises a control box and a three-jaw cylinder connected to one side of the control box.

[0013] By adopting the above technical scheme, the three-jaw cylinder accurately clamps the piston rod, ensures that the piston rod does not shake or fall off during polishing, and the servo motor one drives the three-jaw cylinder to rotate, ensures that the piston rod can be uniformly stressed during polishing, and improves the consistency of polishing effect and polishing efficiency.

[0014] In a preferred example, the ejector pin mechanism further comprises a moving seat and a hydraulic drive cylinder mounted thereon, the extending end of the hydraulic drive cylinder is connected to a limiting ejector pin, a transmission screw one is arranged on the moving seat and screwed on the workbench, one end of the transmission screw one is connected to a servo motor two, the servo motor two is located in the control box, the top of the workbench is symmetrically connected with guide rails, the guide rails are respectively connected with sliding blocks one, and the sliding blocks one are respectively connected with the moving seat.

[0015] By adopting the above technical scheme, after the three-jaw cylinder accurately clamps the piston rod, the hydraulic drive cylinder and the limiting ejector pin cooperate to clamp and position the piston rod, ensure that the piston rod remains stable during polishing, and the servo motor two drives the rotation of the transmission screw one, can accurately adjust the position of the moving seat and the limiting ejector pin, adapt to piston rods of different sizes and shapes, and the combination of the guide rails and the sliding blocks one provides stable support and sliding tracks for the moving seat, ensuring the stability and reliability of the ejector pin mechanism during adjustment.

[0016] In a preferred example, the driving mechanism further comprises a transmission screw two connected to each side of the workbench, two servo motors three arranged in the control box to drive corresponding transmission screw two to rotate, L-shaped drive seats are respectively screwed on the transmission screw two, the L-shaped drive seats are respectively connected with linear modules, sliding blocks two are respectively connected to the bottom of the guide rails, and the sliding blocks two are respectively slidably installed on the guide rails.

[0017] By adopting the technical scheme, the rotation of the third driving transmission screw of the servo motor is realized, the L-shaped driving base realizes accurate linear motion on the guide rail, thereby driving the linear module and the polishing mechanism to realize accurate positioning and movement, and the combination of the guide rail and the second sliding block provides stable support and sliding track for the linear module and the L-shaped driving base, thereby ensuring the stability and reliability of the driving mechanism during movement.

[0018] In summary, the oil cylinder piston rod polishing device has the following beneficial technical effects:

[0019] 1. The telescopic rotary adjusting mechanism adjusts the arc-shaped dust collection baffle according to different positions and angles of the piston rod, so that the arc-shaped dust collection baffle is attached to the surface of the piston rod, so as to cooperate with the external dust collector, better capture dust and splashes generated during polishing, reduce the generation of dust and splashes, and ensure the dust collection effect.

[0020] 2. The rotary butterfly nut is used to rotate the spline shaft rod, drive the connecting block and the arc-shaped dust collection baffle to rotate and adjust, adapt to different positions and angles of the piston rod, and after the arc-shaped dust collection baffle is adjusted to the appropriate position, the butterfly nut is tightened to prevent the spline shaft rod from moving, and the position of the arc-shaped dust collection baffle at the specific rotation angle is locked, so that the rotary dust collection mechanism can more flexibly adapt to piston rods of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained without creative labor, wherein:

[0022] Figure 1 It is a structural schematic diagram of the utility model;

[0023] Figure 2 It is a top view of Figure 1

[0024] Figure 3 It is a structural schematic diagram of the arc-shaped dust collection baffle of the utility model;

[0025] Figure 4 It is a structural schematic diagram of the telescopic rotary adjusting mechanism of the utility model;

[0026] Figure 5 It is a front view of Figure 1

[0027] ​​In the figure: 1, workbench; 20, rotating clamping mechanism; 30, ejector pin mechanism; 4, linear module; 50, driving mechanism; 60, polishing mechanism; 70, rotating dust collection mechanism; 8, guide rail; 9, sliding block one; 11, sliding block two;

[0028] 21, control box; 22, three-jaw cylinder; 23, servo motor one;

[0029] 31, moving seat; 32, hydraulic drive cylinder; 33, limit ejector pin; 34, transmission screw one; 35, servo motor two;

[0030] 51, transmission screw two; 52, servo motor three; 53, L-shaped driving seat;

[0031] 61, box body; 62, protective shell; 63, thousand-leaf wheel; 64, driving device;

[0032] 71, arc-shaped dust collection baffle; 72, telescopic rotary adjusting mechanism; 73, conical dust collection port; 74, dust collection hole;

[0033] 721, sleeve shell; 722, moving plate; 723, limit groove; 724, butterfly bolt; 725, gap; 726, limit assembly;

[0034] 7261, spline shaft rod; 7262, connecting block; 7263, butterfly nut. DETAILED DESCRIPTION

[0035] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0036] It should be noted that these drawings are simplified schematic diagrams, and only illustrate the basic structure of the present application in a schematic manner, and thus only show the relevant components of the present application.

[0037] Reference Figures 1-5The utility model discloses a kind of oil cylinder piston rod polishing devices, comprising: workbench 1 and the rotary clamping mechanism 20 connected in its one side, workbench 1 is connected with thimble mechanism 30, thimble mechanism 30 and the rotary clamping mechanism 20 between being equipped with erecting linear module 4 on workbench 1, still include the driving mechanism 50 of driving linear module 4 movement, linear module 4 is connected with polishing mechanism 60, polishing mechanism 60 includes box 61 and the protection shell 62 connected in box 61 one side, protection shell 62 is rotatably connected with thousand vane 63, box 61 is installed with the driving device 64 of driving thousand vane 63 rotation in thousand vane 63 one side, the top of protection shell 62 is connected with rotary dust collection mechanism 70, rotary dust collection mechanism 70 includes with hollow cavity and the cross section with vertical section are all arc-shaped arc-shaped dust collection baffle 71, the top of arc-shaped dust collection baffle 71 is connected with telescopic rotary adjusting mechanism 72, the bottom of arc-shaped dust collection baffle 71 is connected with conical dust suction port 73, conical dust suction port 73 is connected with external dust collector by hose, the inner chamber of arc-shaped dust collection baffle 71 is connected with conical dust suction port 73, several dust suction holes 74 are set in the inside of arc-shaped dust collection baffle 71;Telescopic rotary adjusting mechanism 72 adjusts the angle of arc-shaped dust collection baffle 71, to make arc-shaped dust collection baffle 71 better adhere to piston rod, and when driving device 64 drives thousand vane 63 to polish piston rod surface, the splashes, dust and other substances generated to it are blocked, preferably, driving device 64 is permanent magnet synchronous motor or servo motor, and by conical dust suction port 73 and hose and external dust collector are mutually matched, and the splashes, dust and other substances generated are sucked, improve the quality of processing environment.

[0038] The telescopic rotary adjusting mechanism 72 comprises a sleeve 721 and a moving plate 722 slidably connected to the inner side of the sleeve 721, the top of the moving plate 722 is provided with a plurality of limiting grooves 723 at intervals, the top of the sleeve 721 is provided with a butterfly bolt 724 in a threaded manner, one end of the butterfly bolt 724 is located in the corresponding limiting groove 723, the end of the moving plate 722 away from the sleeve 721 is provided with an opening 725, and the opening 725 is connected with a limiting assembly 726; the limiting assembly 726 comprises a spline shaft 7261 rotatably connected to the inner side of the opening 725, the spline shaft 7261 is provided with a connecting block 7262 in a sleeved and engaged manner, one end of the spline shaft 7261 extends to one side of the moving plate 722 and is provided with a butterfly nut 7263 in a threaded manner, and one end of the butterfly nut 7263 is in abutting connection with the moving plate 722; through the sliding connection of the moving plate 722 in the sleeve 721, the position distance of the arc-shaped dust collection baffle 71 is adjusted, so that the piston rod can be assembled when polishing, and a plurality of limiting grooves 723 provide a plurality of fixed position options for the moving plate 722; when one end of the butterfly bolt 724 is screwed into the corresponding limiting groove 723, the moving plate 722 can be effectively fixed at the required position to prevent accidental sliding, and the operator can loosen the butterfly nut 7263 to rotate and adjust the arc-shaped dust collection baffle 71, so that the arc-shaped dust collection baffle 71 better fits the piston rod.

[0039] The rotary clamping mechanism 20 comprises a control box 21 and a three-jaw air cylinder 22 connected to one side of the control box 21, and the control box 21 is connected with a servo motor I 23 for driving the three-jaw air cylinder 22 to rotate; the three-jaw air cylinder 22 accurately clamps the piston rod, so that the piston rod does not shake or fall off during polishing, and the servo motor I 23 drives the three-jaw air cylinder 22 to rotate, so that the piston rod can be uniformly stressed during polishing, thereby improving the consistency of polishing effect and polishing efficiency.

[0040] The ejector pin mechanism 30 comprises a moving base 31 and a hydraulic drive cylinder 32 mounted thereon, the extending end of the hydraulic drive cylinder 32 is connected with a limiting ejector pin 33, a transmission screw rod one 34 is arranged on the moving base 31, one end of the transmission screw rod one 34 is connected with a servo motor two 35, the servo motor two 35 is located in the control box 21, the top of the workbench 1 is symmetrically connected with guide rails 8, the guide rails 8 are respectively connected with sliding blocks one 9, the sliding blocks one 9 are respectively connected with the moving base 31, the driving mechanism 50 comprises transmission screw rods two 51 respectively connected on both sides of the workbench 1, and further comprises two servo motors three 52 arranged in the control box 21 and used for driving the transmission screw rods two 51 to rotate, L-shaped driving bases 53 are respectively screwed on the transmission screw rods two 51, the L-shaped driving bases 53 are respectively connected with the linear modules 4, sliding blocks two 11 are respectively arranged on the bottom of both sides of the guide rails 8, and the sliding blocks two 11 are respectively slidably arranged on the guide rails 8; after the three-jaw cylinder 22 precisely clamps the piston rod, the limiting ejector pin 33 is driven to extend by the hydraulic drive cylinder 32, the piston rod is tightly pressed and positioned, the piston rod is kept stable during polishing, the servo motor two 35 drives the transmission screw rod one 34 to rotate, the position of the moving base 31 and the limiting ejector pin 33 can be precisely adjusted, so as to adapt to piston rods with different lengths, in addition, the transmission screw rod one 34 is driven to rotate by the servo motor two 35, the moving base 31 is adjusted in the horizontal direction, the limiting ejector pin 33 is precisely positioned, and during polishing, the two servo motors three 52 respectively drive the corresponding transmission screw rods two 51 to rotate, the L-shaped driving bases 53 are driven to move, the linear modules 4 and the polishing mechanism 60 are precisely positioned and moved.

[0041] The implementation principle of the embodiment is as follows: in use, the piston rod to be polished is hoisted by a crane or the like, the three-jaw cylinder 22 precisely clamps one end of the piston rod, the moving base 31 drives the limiting ejector pin 33 to move towards the other end of the piston rod by the servo motor two 35 driving the transmission screw rod one 34 to rotate, when the limiting ejector pin 33 is in the appropriate position, the limiting ejector pin 33 is driven to extend by the hydraulic drive cylinder 32, the other end of the piston rod is tightly pressed and positioned, then the linear module 4 drives the polishing mechanism 60 to move towards the surface of the piston rod, and drives the polishing mechanism 60 to the appropriate position, the arc-shaped dust suction baffle 71 can be rotated and adjusted by loosening the butterfly nut 7263, the position of the moving plate 722 can be adjusted by rotating the butterfly bolt 724, when one end of the butterfly bolt 724 is screwed into the corresponding limiting groove 723, the arc-shaped dust suction baffle 71 better fits the piston rod, then the impeller 63 polishes the surface of the piston rod by the driving device 64, and during polishing, the two servo motors three 52 respectively drive the corresponding transmission screw rods two 51 to rotate, the L-shaped driving bases 53 are driven to move, the polishing mechanism 60 is driven to move in the horizontal direction, and different parts of the piston rod are polished.

[0042] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are all included in the patent protection scope of the present application.

Claims

1. A cylinder rod polishing apparatus comprising: The workbench (1) and the rotary clamping mechanism (20) connected on one side thereof, the workbench (1) is connected with the ejector pin mechanism (30), the ejector pin mechanism (30) and the rotary clamping mechanism (20) are provided with the linear module (4) erected on the workbench (1), further comprising a drive mechanism (50) for driving the linear module (4) to move, the linear module (4) is connected with the polishing mechanism (60), characterized in that the polishing mechanism (60) comprises a box (61) and a protective shell (62) connected on one side of the box (61), the protective shell (62) is rotatably connected with a thousand vane wheel (63), the box (61) is installed with a driving device (64) for driving the thousand vane wheel (63) to rotate on the side away from the thousand vane wheel (63), the top of the protective shell (62) is connected with a rotary dust collection mechanism (70); The rotary dust collection mechanism (70) comprises an arc-shaped dust collection baffle (71) with a hollow cavity and an arc-shaped cross section and vertical section, the top of the arc-shaped dust collection baffle (71) is connected with a telescopic rotary adjusting mechanism (72), the bottom of the arc-shaped dust collection baffle (71) is connected with a conical dust collection port (73), the conical dust collection port (73) is connected with an external dust collector through a hose, the inner cavity of the arc-shaped dust collection baffle (71) is communicated with the conical dust collection port (73), and a plurality of dust collection holes (74) are formed in the inner side of the arc-shaped dust collection baffle (71).

2. The oil cylinder piston rod polishing device according to claim 1, characterized in that The telescopic rotary adjusting mechanism (72) comprises a sleeve (721) and a moving plate (722) slidably connected to the inner side thereof, a plurality of limiting grooves (723) are formed at intervals in the top of the moving plate (722), a butterfly bolt (724) is threadedly provided at the top of the sleeve (721), one end of the butterfly bolt (724) is located in the corresponding limiting groove (723), an opening (725) is formed in the end of the moving plate (722) away from the sleeve (721), and a limiting assembly (726) is connected in the opening (725).

3. The oil cylinder piston rod polishing device according to claim 2, characterized in that The limiting assembly (726) comprises a spline shaft (7261) rotatably connected to the inner side of the opening (725), a connecting block (7262) is engaged on the spline shaft (7261), one end of the spline shaft (7261) extends to one side of the moving plate (722) and is threadedly connected with a butterfly nut (7263), and one end of the butterfly nut (7263) is in abutting connection with the moving plate (722).

4. The oil cylinder rod polishing device according to claim 1, wherein The rotary clamping mechanism (20) comprises a control box (21) and a three-jaw air cylinder (22) connected on one side thereof, and a servo motor (23) is connected in the control box (21) for driving the three-jaw air cylinder (22) to rotate.

5. The oil cylinder piston rod polishing device of claim 4, wherein, The needle mechanism (30) includes a moving seat (31) and a hydraulic drive cylinder (32) mounted thereon, the extension end of the hydraulic drive cylinder (32) is connected with a limiting needle (33), a transmission screw rod (34) is arranged on the moving seat (31) and penetrates the workbench (1), one end of the transmission screw rod (34) is connected with a servo motor (35), the servo motor (35) is located in the control box (21), the top of the workbench (1) is symmetrically connected with guide rails (8), the guide rails (8) are respectively connected with sliding blocks (9), and the sliding blocks (9) are respectively connected with the moving seat (31).

6. The oil cylinder piston rod polishing device of claim 5, wherein, The driving mechanism (50) includes transmission screw rods (51) connected on both sides of the workbench (1), further includes two servo motors (52) arranged in the control box (21) and driving the transmission screw rods (51) to rotate, the transmission screw rods (51) are respectively connected with L-shaped driving seats (53), the L-shaped driving seats (53) are respectively connected with the linear modules (4), the bottom of the guide rails (8) is respectively connected with sliding blocks (11), and the sliding blocks (11) are respectively slidably installed on the guide rails (8).

Images