A multifunctional polishing device for hydraulic cylinder machining

By using different types of fixing rods and polishing components on the same equipment, the problem of needing to use separate equipment for polishing the inner and outer walls of hydraulic cylinder barrels and the outer wall of piston rods has been solved, thus achieving efficient polishing and cost reduction.

CN117400142BActive Publication Date: 2025-12-16XUZHOU JINDING HENGLI HYDRAULIC PIECES CO LTD
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Patent Information

Application Number
CN202311641317.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-12-04
Publication Date
2025-12-16
Estimated Expiration
2043-12-04

AI Technical Summary

Technical Problem

In the existing technology, polishing the inner and outer walls of the cylinder barrel and the outer wall of the piston rod of the hydraulic cylinder requires the use of different polishing equipment, which leads to cumbersome operation and high equipment cost.

Method used

Design a multifunctional polishing device that uses different types of fixed rods and polishing components on the same equipment to polish the inner and outer walls of the cylinder and the outer wall of the piston rod, including the combined use of a mechanical chuck, polishing components, moving components and driving components.

Benefits of technology

It enables the polishing of the inner and outer walls of the cylinder barrel and the outer wall of the piston rod on the same equipment, simplifying the operation process, improving production efficiency, and reducing equipment operating costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a multifunctional polishing device for hydraulic cylinder processing, which comprises a machine tool body, a rotatable mechanical chuck provided on the machine tool body, the mechanical chuck being connected with a machine tool power mechanism, the mechanical chuck clamping one end of a hydraulic cylinder component, the other end of the hydraulic cylinder component being in contact with a working end of a polishing assembly, the mounting end of the polishing assembly being connected with a moving assembly, the moving assembly being connected with a driving assembly, the driving assembly being arranged on the base of the machine tool body, a guide rail being fixedly arranged on the base of the machine tool body, the moving assembly being slidingly arranged on the guide rail, and a clamping assembly being slidingly arranged on the guide rail and capable of clamping and fixing the hydraulic cylinder component and the polishing assembly. Compared with the prior art, the device can select different polishing assemblies of different types of fixing rods on the same polishing equipment to polish the inner and outer walls of the cylinder barrel and the outer wall of the piston rod, is convenient to operate, improves production efficiency, and reduces equipment use cost.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of hydraulic cylinder polishing equipment, in particular to a multifunctional polishing device for hydraulic cylinder processing. BACKGROUND

[0002] The hydraulic cylinder is a hydraulic actuator that converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or oscillating motion). It is simple in structure and reliable in operation. When it is used to realize reciprocating motion, the reduction device can be omitted, and there is no transmission gap, so the motion is stable, and it is widely used in various hydraulic systems. The output force of the hydraulic cylinder is proportional to the effective area of the piston and the pressure difference on both sides; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffer device and an exhaust device.

[0003] In the production and processing of hydraulic cylinders, the inner and outer walls of the cylinder barrel and the outer wall of the piston rod need to be polished. However, the current polishing of the inner and outer walls of the cylinder barrel and the outer wall of the piston rod usually requires the use of different polishing equipment, which is relatively cumbersome and may reduce the overall speed of the entire hydraulic cylinder production and processing process. In addition, the use of different polishing equipment also increases the cost of equipment use for enterprises. SUMMARY

[0004] In view of the deficiencies of the prior art, the present application aims to provide a multifunctional polishing device for hydraulic cylinder processing to solve the problems raised in the background art.

[0005] According to one aspect of the present application, a multifunctional polishing device for hydraulic cylinder processing includes a machine tool main body and a mechanical chuck. One end of the machine tool main body is provided with a rotatable mechanical chuck connected to the power mechanism of the machine tool main body. One end of the hydraulic cylinder component is clamped and fixed on the mechanical chuck, and the axis direction of the hydraulic cylinder component is parallel to the length direction of the machine tool main body. The other end of the hydraulic cylinder component is in contact with the working end of the polishing assembly, and the axis of the polishing assembly coincides with the axis of the hydraulic cylinder component. The mounting end of the polishing assembly is fixedly connected with the moving assembly, and the moving assembly is connected with the driving assembly. The driving assembly is fixedly arranged on the base of the machine tool main body. A guide rail is fixedly arranged on the base of the machine tool main body along the length direction thereof, and the length direction of the guide rail is parallel to the length direction of the driving assembly. The moving assembly is slidingly arranged on the guide rail, and the clamping assembly is also slidingly arranged on the guide rail. The clamping assembly can clamp and fix the hydraulic cylinder component and the polishing assembly.

[0006] Preferably, the hydraulic cylinder component comprises a cylinder barrel and a piston rod, when polishing the inner side wall of the cylinder barrel, the mechanical chuck clamps and fixes one end of the cylinder barrel, the clamping assembly clamps and fixes the outer side wall of the other end of the cylinder barrel, and the clamping assembly is self-locked, the working end of the polishing assembly extends into the other end of the cylinder barrel; when polishing the outer side wall of the cylinder barrel, the mechanical chuck clamps and fixes one end of the cylinder barrel, the working end of the polishing assembly is arranged on the outer side wall of the other end of the cylinder barrel, the clamping assembly clamps and fixes the outer circumferential side of the working end of the polishing assembly, and the clamping assembly is fixedly connected with the moving assembly through the connecting rod; when polishing the outer side wall of the piston rod, the mechanical chuck clamps and fixes one end of the piston rod, the working end of the polishing assembly is arranged on the outer side wall of the other end of the piston rod, the clamping assembly clamps and fixes the outer circumferential side of the working end of the polishing assembly, and the clamping assembly is fixedly connected with the moving assembly through the connecting rod.

[0007] Preferably, the polishing assembly comprises a fixed rod and a polishing machine, the fixed rod is a hollow structure penetrating through both ends, a connecting flange is fixedly arranged at one end of the fixed rod, the connecting flange is fixedly connected with the moving assembly, a plurality of installation notches are uniformly and equidistantly arranged on the other end of the fixed rod along the circumferential direction, and a polishing machine is arranged at each installation notch position.

[0008] Preferably, the type of the fixed rod is divided into fixed rod one, fixed rod two and fixed rod three, when polishing the inner side wall of the cylinder barrel, the fixed rod one is selected, the polishing machine is arranged at the installation notch position of the fixed rod one, the polishing machine is in contact with the inner side wall of the cylinder barrel, and the outer diameter size of the fixed rod one is smaller than the inner diameter size of the cylinder barrel; when polishing the outer side wall of the cylinder barrel, the fixed rod two is selected, the polishing machine is arranged at the installation notch position of the fixed rod two, the polishing machine is in contact with the outer side wall of the cylinder barrel, and the inner diameter size of the fixed rod two is greater than the outer diameter size of the cylinder barrel; when polishing the outer side wall of the piston rod, the fixed rod three is selected, the polishing machine is arranged at the installation notch position of the fixed rod three, the polishing machine is in contact with the outer side wall of the piston rod, and the inner diameter size of the fixed rod three is greater than the outer diameter size of the piston rod.

[0009] Preferably, the polishing machine comprises a mounting plate, a linkage block, an L-shaped connecting plate, a polishing motor, a polishing wheel, a push hydraulic cylinder and a pressing block, the mounting plate is fixedly installed at the mounting gap of the fixed rod, a through groove is vertically and transversely formed on the front of the mounting plate, the linkage block is slidably arranged in the through groove, an inclined groove is formed in the middle of the linkage block, the push hydraulic cylinder is fixedly installed on the bottom of the mounting plate, the extending end of the push hydraulic cylinder is arranged towards the linkage block and is fixedly connected with the pressing block, the bottom of the pressing block is arranged as an inclined surface and is matched with the inclined surface of the bottom of the inclined groove, the inclined surface of the pressing block and the inclined surface of the inclined groove are both arranged as inclined upwards away from the push hydraulic cylinder, the horizontal part of the L-shaped connecting plate is fixedly arranged on the top of the linkage block, the spring is arranged between the bottom of the horizontal part of the L-shaped connecting plate and the top of the mounting plate, the polishing motor is fixedly installed on the vertical part of the L-shaped connecting plate, and the polishing wheel is installed on the polishing motor.

[0010] Preferably, the outer diameter size of the polishing wheel is larger than the outer diameter size of the polishing machine body.

[0011] Preferably, the clamping assembly comprises a sliding plate, a support frame, a clamping hydraulic cylinder and an auxiliary roller, the bottom of the sliding plate is fixedly provided with locking sliding blocks on both sides, the locking sliding blocks are slidably arranged on the guide rail, the top of the sliding plate is fixedly provided with a vertical plate, the top of the vertical plate is fixedly provided with a support frame, the support frame is a circumferentially closed structure, a plurality of clamping hydraulic cylinders are uniformly and equidistantly installed on the outer circumferential side of the support frame along the circumference thereof, the extending end of each clamping hydraulic cylinder is arranged towards the axis of the support frame, and an auxiliary roller is rotatably installed on the extending end of each clamping hydraulic cylinder, and the rotation axis of the auxiliary roller is parallel to the rotation axis of the hydraulic cylinder part.

[0012] Preferably, the moving assembly comprises a moving plate, a fixed plate, a moving block and a moving sliding block, the bottom of the moving plate is fixedly provided with moving sliding blocks on both sides, the moving sliding blocks are slidably arranged on the guide rail, the middle of the bottom of the moving plate is fixedly provided with a moving block, the moving block is connected with the driving assembly, the top of the moving plate is vertically fixedly provided with a fixed plate, and the fixed plate is fixedly connected with the connecting flange on the fixed rod.

[0013] Preferably, the driving assembly comprises a driving motor and a lead screw, the driving motor is fixedly installed on the base of the machine tool body, the output shaft of the driving motor is fixedly connected with the lead screw, the length direction of the lead screw is parallel to the length direction of the guide rail, the lead screw is threadedly connected with the moving block, and the lead screw is arranged on the base of the machine tool body through the support seat at both ends.

[0014] The utility model provides a kind of multifunctional polishing device for hydraulic cylinder processing, by the different respectively selected polishing assembly of different types fixed rod piece of different hydraulic cylinder component required polishing position setting, when polishing cylinder inner wall, fixed rod piece selects fixed rod one and installs polishing machine on fixed rod one, and cylinder two ends are clamped respectively on mechanical chuck and clamping component, then using the polishing machine on fixed rod one is polished to cylinder inner wall and is treated;When polishing cylinder outer wall, fixed rod piece selects fixed rod two and installs polishing machine on fixed rod two, and cylinder one end is clamped on mechanical chuck and its other end outer wall is in contact with polishing machine, and fixed rod two is clamped on clamping component, then using the polishing machine on fixed rod two is polished to cylinder outer wall and is treated;When polishing piston rod outer wall, fixed rod piece selects fixed rod three and installs polishing machine on fixed rod three, and piston rod one end is clamped on mechanical chuck and its other end outer wall is in contact with polishing machine, and fixed rod three is clamped on clamping component, then using the polishing machine on fixed rod three is polished to cylinder outer wall and is treated, so that different fixed rod piece types polishing assembly can be selected on the same polishing equipment to polish cylinder inner wall and outer wall and piston rod outer wall respectively, without using different polishing equipment to polish cylinder inner wall and outer wall and piston rod outer wall, convenient operation, improve production efficiency, and reduce equipment use cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the perspective view of polishing cylinder inner wall according to the multifunctional polishing device for hydraulic cylinder processing of an embodiment of the utility model.

[0016] Figure 2 It is the perspective view of polishing cylinder outer wall according to the multifunctional polishing device for hydraulic cylinder processing of an embodiment of the utility model.

[0017] Figure 3 It is the perspective view of polishing piston rod outer wall according to the multifunctional polishing device for hydraulic cylinder processing of an embodiment of the utility model.

[0018] Figure 4 It is Figure 1 The structure enlarged schematic view of A part in it.

[0019] Figure 5 It is Figure 2 The structure enlarged schematic view of B part in it.

[0020] Figure 6 It is Figure 3 The structure enlarged schematic view of C part in it.

[0021] Figure 7It is a stereogram of a fixed rod one of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0022] Figure 8 It is a stereogram of a fixed rod two of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0023] Figure 9 It is a stereogram of a fixed rod three of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0024] Figure 10 It is a stereogram of a polishing machine installed on a fixed rod piece of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0025] Figure 11 It is a stereogram of a polishing machine of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0026] Figure 12 It is a main sectional view of a polishing machine of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0027] Figure 13 It is a side view of a polishing machine of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0028] Figure 14 It is a front view of a clamping assembly of a multifunctional polishing device for hydraulic cylinder processing according to an embodiment of the present application.

[0029] Reference signs: 1, machine tool main body; 2, mechanical chuck; 3, polishing assembly; 31, polishing machine; 310, spring; 311, mounting plate; 312, linkage block; 313, L-shaped connecting plate; 314, polishing motor; 315, polishing wheel; 316, pushing hydraulic cylinder; 317, pressing block; 318, through groove; 319, inclined groove; 32, connecting flange; 33, mounting notch; 34, fixed rod one; 35, fixed rod two; 36, fixed rod three; 4, moving assembly; 41, moving plate; 42, fixed plate; 43, moving block; 44, moving sliding block; 5, driving assembly; 51, driving motor; 52, lead screw; 6, guide rail; 7, clamping assembly; 71, sliding plate; 72, support frame; 73, clamping hydraulic cylinder; 74, auxiliary roller; 75, locking sliding block; 76, vertical plate; 8, cylinder barrel; 9, piston rod; 10, connecting rod. DETAILED DESCRIPTION

[0030] In order to make the content of the present application more easily understood, the technical solutions in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "in" and "out" refer to the directions towards or away from the geometric center of a particular component.

[0031] As shown in Figures 1-10 , a multifunctional polishing device for hydraulic cylinder processing, comprising a machine tool body 1 and a mechanical chuck 2, one end of the machine tool body 1 is provided with a rotatable mechanical chuck 2, the mechanical chuck 2 is connected with the power mechanism of the machine tool body 1, so that the mechanical chuck 2 is driven by the power mechanism of the machine tool body 1 to rotate (the mechanical chuck 2 can be selected from a manual chuck, a pneumatic chuck, a hydraulic chuck, an electric chuck, etc.), the clamping jaw of the mechanical chuck 2 clamps and fixes one end of the hydraulic cylinder component, the axis direction of the hydraulic cylinder component is parallel to the length direction of the machine tool body 1, and the device is provided with a polishing assembly 3, the polishing assembly 3 comprises a fixed rod member and a polishing machine 31 (as shown in Figure 10 ), the fixed rod member is a hollow structure with through holes at both ends, a connecting flange 32 is fixedly arranged at one end of the fixed rod member, the connecting flange 32 is fixedly connected with a moving assembly 4, a plurality of installation notches 33 are uniformly and equidistantly arranged on the other end of the fixed rod member along the circumferential direction thereof, and a polishing machine 31 is arranged at each installation notch 33, the polishing machine 31 is arranged towards the hydraulic cylinder component, the other end of the hydraulic cylinder component away from the mechanical chuck 2 is in contact with the polishing machine 31 of the polishing assembly 3, the axis of the fixed rod member coincides with the axis of the hydraulic cylinder component, the moving assembly 4 is connected with a driving assembly 5, the driving assembly 5 is fixedly arranged on the base of the machine tool body 1, a guide rail 6 is fixedly arranged on the base of the machine tool body 1 along the length direction thereof, the length direction of the guide rail 6 is parallel to the length direction of the driving assembly 5, the moving assembly 4 is slidingly arranged on the guide rail 6, and a clamping assembly 7 is also slidingly arranged on the guide rail 6, the clamping assembly 7 can clamp and fix the hydraulic cylinder component and the polishing assembly 3.

[0032] Specifically, in combination with Figures 1-3 , the hydraulic cylinder component comprises a cylinder barrel 8 and a piston rod 9, and in addition, referring to Figures 1-9 , the types of the fixed rod member are fixed rod one 34, fixed rod two 35 and fixed rod three 36, which are respectively used for the inner side wall of the cylinder barrel 8, the outer side wall of the cylinder barrel 8 and the outer side wall of the piston rod 9, as shown in Figure 1 , Figure 4 and Figure 7As shown, when polishing the inner wall of the cylinder 8, the mechanical chuck 2 clamps and fixes one end of the cylinder 8, the clamping assembly 7 clamps and fixes the outer wall of the other end of the cylinder 8, and the clamping assembly 7 is self-locked and fixed. The fixed rod member is selected as the fixed rod one 34, the polishing machine 31 is installed at the installation gap 33 of the fixed rod one 34, the polishing machine 31 is in contact with the inner wall of the other end of the cylinder 8, and the outer diameter of the fixed rod one 34 is smaller than the inner diameter of the cylinder 8, so that the fixed rod one 34 can extend into the inside of the cylinder 8; as shown in Figure 2 、 Figure 5 and Figure 8 As shown, when polishing the outer wall of the cylinder 8, the mechanical chuck 2 clamps and fixes one end of the cylinder 8, the fixed rod member is selected as the fixed rod two 35, the polishing machine 31 is installed at the installation gap 33 of the fixed rod two 35, the polishing machine 31 is in contact with the outer wall of the other end of the cylinder 8, the clamping assembly 7 clamps and fixes the outer circumferential side of the fixed rod two 35 close to the polishing machine 31, and the sliding plate 71 in the clamping assembly 7 is fixedly connected with the moving plate 41 of the moving assembly 4 through the connecting rod 10, so that the moving assembly 4 and the clamping assembly 7 can move synchronously under the driving of the driving assembly 5, and the inner diameter of the fixed rod two 35 is greater than the outer diameter of the cylinder 8, so that the cylinder 8 can enter the inside of the fixed rod two 35 during polishing of the outer wall thereof; as shown in Figure 3 、 Figure 6 and Figure 9 As shown, when polishing the outer wall of the piston rod 9, the mechanical chuck 2 clamps and fixes one end of the piston rod 9, the fixed rod member is selected as the fixed rod three 36, the polishing machine 31 is installed at the installation gap 33 of the fixed rod three 36, the polishing machine 31 is in contact with the outer wall of the other end of the piston rod 9, the clamping assembly 7 clamps and fixes the outer circumferential side of the fixed rod three 36 close to the polishing machine 31, and the sliding plate 71 in the clamping assembly 7 is fixedly connected with the moving plate 41 of the moving assembly 4 through the connecting rod 10, so that the moving assembly 4 and the clamping assembly 7 can move synchronously under the driving of the driving assembly 5, and the inner diameter of the fixed rod three 36 is greater than the outer diameter of the piston rod 9, so that the piston rod 9 can enter the inside of the fixed rod three 36 during polishing of the outer wall thereof; in the above design, by selecting different types of fixed rod members of the polishing assembly 3 for different polishing positions of different hydraulic oil cylinder components, different types of fixed rod members of the polishing assembly 3 can be selected on the same polishing equipment to polish the inner and outer walls of the cylinder 8 and the outer wall of the piston rod 9, without using different polishing equipment to polish the inner and outer walls of the cylinder 8 and the outer wall of the piston rod 9, which is convenient to operate, improves production efficiency, and reduces equipment use cost.

[0033] In one embodiment, in combination with Figures 10-13The polishing machine 31 comprises a mounting plate 311, a linkage block 312, an L-shaped connecting plate 313, a polishing motor 314, a polishing wheel 315, a pushing hydraulic cylinder 316 and a pressing block 317. The mounting plate 311 is fixedly installed at the mounting gap 33 of the fixed rod member. A through groove 318 is vertically formed in the front portion of the mounting plate 311. The linkage block 312 is slidably arranged in the through groove 318. A beveled groove 319 is formed in the middle portion of the linkage block 312. The pushing hydraulic cylinder 316 is fixedly installed at the bottom of the mounting plate 311. The extending end of the pushing hydraulic cylinder 316 is arranged towards the linkage block 312 and is fixedly connected with the pressing block 317. The bottom of the pressing block 317 is beveled and is matched with the bevel of the bottom of the beveled groove 319. The bevels of the pressing block 317 and the beveled groove 319 are arranged in a direction away from the pushing hydraulic cylinder 316. The horizontal portion of the L-shaped connecting plate 313 is fixedly arranged at the top of the linkage block 312. The spring 310 is arranged between the horizontal portion of the L-shaped connecting plate 313 and the top of the mounting plate 311. The polishing motor 314 is fixedly installed on the vertical portion of the L-shaped connecting plate 313. The polishing wheel 315 is installed on the polishing motor 314. In this design, the bevel of the pressing block 317 is matched with the bevel of the beveled groove 319. When the pushing hydraulic cylinder extends, the pressing block 317 is moved, and the linkage block 312 is slid downward under the pressing of the pressing block 317. The L-shaped connecting plate 313 drives the polishing motor 314 and the polishing wheel 315 to move downward. When the pushing hydraulic cylinder retracts, the pressing block 317 is moved, the linkage block 312 is slid upward under the action of the spring 310, and the L-shaped connecting plate 313 drives the polishing motor 314 and the polishing wheel 315 to move upward. In addition, the outer diameter of the polishing wheel 315 is larger than the outer diameter of the polishing machine 31. Therefore, the polishing machine 31 does not interfere with the rotation of the polishing wheel 315 during polishing, ensuring the normal operation of the polishing process.

[0034] In one embodiment, with reference to Figures 1-6 and Figure 14The clamping assembly 7 comprises a sliding plate 71, a support frame 72, a clamping hydraulic cylinder 73 and an auxiliary roller 74. The bottom of the sliding plate 71 is fixedly provided with locking sliding blocks 75 on both sides, the locking sliding blocks 75 are slidably arranged on the guide rail 6, the top of the sliding plate 71 is fixedly provided with a vertical plate 76, the top of the vertical plate 76 is fixedly provided with the support frame 72, the support frame 72 has a circumferentially closed structure, a plurality of clamping hydraulic cylinders 73 are uniformly and equidistantly arranged on the outer circumferential side of the support frame 72 along the circumference of the support frame 72, the extending end of each clamping hydraulic cylinder 73 is arranged towards the axis of the support frame 72, and the extending end of each clamping hydraulic cylinder 73 is rotatably provided with an auxiliary roller 74, the rotation axis of the auxiliary roller 74 is parallel to the rotation axis of the hydraulic cylinder component. In specific implementation, when it is necessary to clamp and fix the hydraulic cylinder component or the fixed rod, the sliding plate 71 is slid along the guide rail 6 to the position of the hydraulic cylinder component or the fixed rod through the locking sliding blocks 75, the clamping hydraulic cylinder 73 is extended to drive the auxiliary roller 74 to move towards the hydraulic cylinder component or the fixed rod and clamp and fix the hydraulic cylinder component or the fixed rod, and the auxiliary roller 74 can rotate accordingly.

[0035] In one embodiment, in combination with Figures 1-3 The moving assembly 4 comprises a moving plate 41, a fixed plate 42, a moving block 43 and a moving sliding block 44. The bottom of the moving plate 41 is fixedly provided with moving sliding blocks 44 on both sides, the moving sliding blocks 44 are slidably arranged on the guide rail 6, the bottom of the moving plate 41 is fixedly provided with the moving block 43 in the middle, the moving block 43 is connected with the driving assembly 5, the top of the moving plate 41 is vertically fixedly provided with the fixed plate 42, and the fixed plate 42 is fixedly connected with the connecting flange 32 on the fixed rod. In specific implementation, when it is necessary to polish the outer side wall of the cylinder barrel 8 and the outer side wall of the piston rod 9, the clamping assembly 7 also clamps and fixes the fixed rod. At this time, the sliding plate 71 of the clamping assembly 7 and the moving plate 41 of the moving assembly 4 need to be fixedly connected through the connecting rod 10, so that the moving assembly 4 and the clamping assembly 7 can move synchronously under the driving of the driving assembly 5, so that the polishing assembly 3 can stably polish the outer side wall of the cylinder barrel 8 and the outer side wall of the piston rod 9.

[0036] In one embodiment, in combination with Figures 1-3 The driving assembly 5 comprises a driving motor 51 and a lead screw 52. The driving motor 51 is fixedly arranged on the base of the machine tool body 1, the output shaft of the driving motor 51 is fixedly connected with the lead screw 52, the length direction of the lead screw 52 is parallel to the length direction of the guide rail 6, the lead screw 52 is threadedly connected with the moving block 43, and the lead screw 52 is arranged on the base of the machine tool body 1 through a support seat at both ends.

[0037] Working principle: when the inside wall of the cylinder 8 needs to be polished, the mechanical chuck 2 clamps and fixes one end of the cylinder 8, the clamping assembly 7 clamps and fixes the outside wall of the other end of the cylinder 8, and the sliding block 75 of the clamping assembly 7 is locked and fixed, the fixed rod one 34 is selected as the fixed rod, the polishing machine 31 is installed at the installation gap 33 of the fixed rod one 34, the connecting flange 32 of the fixed rod one 34 is installed on the fixed plate 42 of the moving assembly 4, then the moving assembly 4 is driven to move by the driving assembly 5, so that the polishing machine 31 extends into the inside of the cylinder 8, and the hydraulic rod is pushed out to drive the pressure block 317 to move, so that the pressure block 317 can press the linkage block 312 to slide down, and the L-shaped connecting plate 313 drives the polishing motor 314 and the polishing wheel 315 to move down, so that the polishing machine 31 is more convenient to enter the inside of the cylinder 8, after entering the inside of the cylinder 8, the hydraulic rod is pushed in to drive the pressure block 317 to move, so that the linkage block 312 is separated from the pressure of the pressure block 317 and slides up under the action of the spring 310, so that the L-shaped connecting plate 313 drives the polishing motor 314 and the polishing wheel 315 to move up, so that the polishing wheel 315 contacts with the inside wall of the cylinder 8, the polishing motor 314 drives the polishing wheel 315 to rotate, the driving assembly 5 drives the moving assembly 4 to move, and then the fixed rod one 34 and the polishing machine 31 polish the inside wall of the cylinder 8.

[0038] When the outside wall of the cylinder 8 needs to be polished, the mechanical chuck 2 clamps and fixes one end of the cylinder 8, the fixed rod two 35 is selected as the fixed rod, the polishing machine 31 is installed at the installation gap 33 of the fixed rod two 35, the connecting flange 32 of the fixed rod two 35 is installed on the fixed plate 42 of the moving assembly 4, then the moving assembly 4 is driven to move by the driving assembly 5, so that the polishing machine 31 moves towards the other end of the cylinder 8, then the hydraulic rod is pushed out to drive the pressure block 317 to move, so that the pressure block 317 can press the linkage block 312 to slide down, so that the L-shaped connecting plate 313 drives the polishing motor 314 and the polishing wheel 315 to move down, so that the polishing wheel 315 contacts with the outside wall of the cylinder 8, the clamping assembly 7 clamps and fixes the outer periphery near the position of the polishing machine 31, and the sliding plate 71 in the clamping assembly 7 is fixedly connected with the moving plate 41 of the moving assembly 4 through the connecting rod 10, so that the moving assembly 4 and the clamping assembly 7 can move synchronously under the drive of the driving assembly 5, the polishing motor 314 drives the polishing wheel 315 to rotate, the driving assembly 5 drives the moving assembly 4 to move, and then the fixed rod two 35 and the polishing machine 31 polish the outside wall of the cylinder 8.

[0039] When the outer side wall of the piston rod 9 needs to be polished, the mechanical chuck 2 clamps and fixes one end of the piston rod 9, the fixed rod piece is selected to be the fixed rod three 36, the polishing machine 31 is installed at the installation gap 33 position of the fixed rod three 36, the connecting flange 32 of the fixed rod three 36 is installed on the fixed plate 42 of the moving assembly 4, then the moving assembly 4 is driven to move by the driving assembly 5, so that the polishing machine 31 moves towards the other end of the piston rod 9, then the hydraulic rod is pushed out to drive the pressing block 317 to move, so that the pressing block 317 can press the connecting block 312 to slide down, so that the L-shaped connecting plate 313 drives the polishing motor 314 and the polishing wheel 315 to move downwards, so that the polishing wheel 315 contacts with the outer side wall of the piston rod 9, the clamping assembly 7 clamps and fixes the outer periphery close to the position of the polishing machine 31 of the fixed rod three 36, and the sliding plate 71 in the clamping assembly 7 is fixedly connected with the moving plate 41 of the moving assembly 4 through the connecting rod 10, so that the moving assembly 4 and the clamping assembly 7 can move synchronously under the driving of the driving assembly 5, the polishing motor 314 drives the polishing wheel 315 to rotate, the driving assembly 5 drives the moving assembly 4 to move, and then drives the fixed rod three 36 and the polishing machine 31 to polish the outer side wall of the piston rod 9.

[0040] The above embodiments are only used to illustrate the technical solutions of the embodiments of the present application, and not to limit them. Although the embodiments of the present application are described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced by equivalents without departing from the spirit and scope defined by the claims of the present application.

Claims

1. A multifunctional polishing device for hydraulic cylinder machining, comprising a machine tool body (1) and a mechanical chuck (2), wherein a rotatable mechanical chuck (2) is provided at one end of the machine tool body (1), the mechanical chuck (2) is connected to the power mechanism of the machine tool body (1), and a hydraulic cylinder component is clamped and fixed on the mechanical chuck (2), wherein the axial direction of the hydraulic cylinder component is parallel to the length direction of the machine tool body (1), characterized in that, The other end of the hydraulic cylinder component is in contact with the working end of the polishing component (3). The axis of the polishing component (3) coincides with the axis of the hydraulic cylinder component. The mounting end of the polishing component (3) is fixedly connected to the moving component (4). The moving component (4) is connected to the driving component (5). The driving component (5) is fixedly mounted on the base of the machine tool body (1). A guide rail (6) is fixedly mounted on the base of the machine tool body (1) along its length direction. The length direction of the guide rail (6) is parallel to the length direction of the driving component (5). The moving component (4) is slidably mounted on the guide rail (6). A clamping component (7) is also slidably mounted on the guide rail (6). The clamping component (7) can clamp and fix the hydraulic cylinder component and the polishing component (3). The polishing assembly (3) includes a fixed rod and a polishing machine (31). The fixed rod is a hollow structure with both ends through. A connecting flange (32) is fixedly provided at one end of the fixed rod. The connecting flange (32) is fixedly connected to the moving assembly (4). Multiple installation notches (33) are evenly spaced along the circumference of the other end of the fixed rod. A polishing machine (31) is installed at each of the installation notches (33). The polishing machine (31) is positioned facing the hydraulic cylinder component. The polishing machine (31) includes a mounting plate (311), a connecting block (312), an L-shaped connecting plate (313), a polishing motor (314), a polishing wheel (315), a pushing hydraulic cylinder (316), and a pressure block (317). The mounting plate (311) is fixedly installed at the mounting notch (33) of the fixing rod. The front part of the mounting plate (311) has a through groove (318) extending vertically. The connecting block (312) is slidably arranged in the through groove (318). The middle part of the connecting block (312) has a beveled groove (319). The bottom of the mounting plate (311) is fixedly installed with a pushing hydraulic cylinder (316). The extended end of the pushing hydraulic cylinder (316) faces the... A linkage block (312) is provided and fixedly connected to a pressure block (317). The bottom of the pressure block (317) is set as an inclined surface and is adapted to the inclined surface at the bottom of the inclined groove (319). The inclined surfaces of the pressure block (317) and the inclined groove (319) are both set obliquely upward away from the push hydraulic cylinder (316). The top of the linkage block (312) is fixedly provided with a horizontal part of an L-shaped connecting plate (313). A spring (310) is provided between the bottom of the horizontal part of the L-shaped connecting plate (313) and the top of the mounting plate (311). A polishing motor (314) is fixedly installed on the vertical part of the L-shaped connecting plate (313). A polishing wheel (315) is installed on the polishing motor (314).

2. The multi-functional polishing device for hydraulic cylinder processing according to claim 1, characterized in that, The hydraulic cylinder component includes a cylinder (8) and a piston rod (9). When polishing the inner wall of the cylinder (8), the mechanical chuck (2) clamps and fixes one end of the cylinder (8), the clamping assembly (7) clamps and fixes the outer wall of the other end of the cylinder (8), and the clamping assembly (7) is self-locking. The working end of the polishing assembly (3) extends into the other end of the cylinder (8). When polishing the outer wall of the cylinder (8), the mechanical chuck (2) clamps and fixes one end of the cylinder (8), the working end of the polishing component (3) is set on the outer wall of the other end of the cylinder (8), the clamping component (7) clamps and fixes the outer periphery of the working end of the polishing component (3), and the clamping component (7) and the moving component (4) are fixedly connected by the connecting rod (10); When polishing the outer wall of the piston rod (9), the mechanical chuck (2) clamps and fixes one end of the piston rod (9), the working end of the polishing assembly (3) is set on the outer wall of the other end of the piston rod (9), the clamping assembly (7) clamps and fixes the outer periphery of the working end of the polishing assembly (3), and the clamping assembly (7) and the moving assembly (4) are fixedly connected by the connecting rod (10).

3. A multi-functional polishing device for hydraulic cylinder processing according to claim 2, characterized in that, The types of fixing rods are divided into fixing rod one (34), fixing rod two (35) and fixing rod three (36). When polishing the inner wall of the cylinder (8), fixing rod one (34) is selected as the fixing rod. The polishing machine (31) is installed at the installation notch (33) of the fixing rod one (34). The polishing machine (31) is in contact with the inner wall of the cylinder (8), and the outer diameter of the fixing rod one (34) is smaller than the inner diameter of the cylinder (8). When polishing the outer wall of the cylinder (8), the fixing rod is selected as fixing rod two (35), and the polishing machine (31) is installed at the installation notch (33) of the fixing rod two (35). The polishing machine (31) is in contact with the outer wall of the cylinder (8), and the inner diameter of the fixing rod two (35) is larger than the outer diameter of the cylinder (8). When polishing the outer wall of the piston rod (9), the fixing rod is selected as fixing rod three (36), and the polishing machine (31) is installed at the installation notch (33) of the fixing rod three (36). The polishing machine (31) is in contact with the outer wall of the piston rod (9), and the inner diameter of the fixing rod three (36) is larger than the outer diameter of the piston rod (9).

4. A multi-functional polishing device for hydraulic cylinder machining according to claim 1, characterized in that, The outer diameter of the polishing wheel (315) is larger than the outer diameter of the main body of the polishing machine (31).

5. A multi-functional polishing device for hydraulic cylinder processing according to claim 2, characterized in that, The clamping assembly (7) includes a sliding plate (71), a support frame (72), a clamping hydraulic cylinder (73), and an auxiliary roller (74). Locking sliders (75) are fixedly provided on both sides of the bottom of the sliding plate (71). The locking sliders (75) are slidably disposed on the guide rail (6). A vertical plate (76) is fixedly provided on the top of the sliding plate (71). A support frame (72) is fixedly provided on the top of the vertical plate (76). The support frame (72) is a circumferentially closed structure. Multiple clamping hydraulic cylinders (73) are evenly and equidistantly installed on the outer periphery of the support frame (72). The protruding end of each clamping hydraulic cylinder (73) is oriented toward the axis of the support frame (72), and an auxiliary roller (74) is rotatably installed on the protruding end of each clamping hydraulic cylinder (73). The rotation axis of the auxiliary roller (74) is parallel to the rotation axis of the hydraulic cylinder component.

6. A multi-functional polishing device for hydraulic cylinder machining according to claim 1, characterized in that, The moving component (4) includes a moving plate (41), a fixed plate (42), a moving block (43), and a moving slider (44). The moving plate (41) has moving sliders (44) fixed on both sides of its bottom. The moving sliders (44) are slidably mounted on the guide rail (6). The moving block (43) is fixed in the middle of the bottom of the moving plate (41). The moving block (43) is connected to the driving component (5). The fixed plate (42) is fixed vertically on the top of the moving plate (41). The fixed plate (42) is fixedly connected to the connecting flange (32) on the fixed rod.

7. A multi-functional polishing device for hydraulic cylinder machining according to claim 6, characterized in that, The drive assembly (5) includes a drive motor (51) and a lead screw (52). The drive motor (51) is fixedly installed on the base of the machine tool body (1). The output shaft of the drive motor (51) is fixedly connected to the lead screw (52). The length direction of the lead screw (52) is parallel to the length direction of the guide rail (6). The lead screw (52) is threadedly connected to the moving block (43). Both ends of the lead screw (52) are mounted on the base of the machine tool body (1) through support seats.

Citation Information

Patent Citations

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