CN214322966U

CN214322966U - Hydraulic cylinder polishing equipment

Info

Publication number: CN214322966U
Application number: CN202120092770.9U
Authority: CN
Inventors: 杨成标; 夏欣; 张娇; 孙泉友
Original assignee: Shandong Xingao Hydraulic Machinery Co ltd
Current assignee: Shandong Xingao Hydraulic Machinery Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-10-01
Anticipated expiration: 2031-01-13

Abstract

The utility model relates to a hydraulic cylinder polishing equipment, including the lathe bed, lathe bed one end is equipped with driving system, and driving system is connected with the work piece mounting, and the other end of lathe bed is equipped with two-shaft linkage mechanism, and two-shaft linkage mechanism is connected with actuating mechanism, can drive actuating mechanism two direction motions of mutually perpendicular in the horizontal plane, and actuating mechanism is connected with the one end of polished rod, and the other end of polished rod is fixed with throws aureola, the utility model discloses a burnishing device has satisfied the polishing demand of not unidimensional cylinder.

Description

Hydraulic cylinder polishing equipment

Technical Field

The utility model relates to a machining equipment technical field, concretely relates to hydraulic cylinder polishing equipment.

Background

The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.

The inner hole of the cylinder barrel of the hydraulic oil cylinder is usually processed by a honing process, a deep hole boring process and an inner hole polishing process. The inventor finds that the honing process adopts a honing machine for processing, a matched honing rod and a honing head are required to be used according to inner holes with different diameters, and oilstones with matched specifications are adhered, so that the defects of low efficiency, high cost, large environmental pollution and large noise exist due to frequent replacement of the honing rod and the honing head and adhesion of the oilstones. The deep hole boring processing technology adopts a deep hole boring machine SRB for processing, specific boring rods and boring heads are required to be adopted for processing different inner holes, sufficient processing allowance and specified size are required, and the inner hole repairing processing of the cylinder barrel cannot be met. The polishing process of the inner hole of the original cylinder barrel has the defects of small machining allowance, low efficiency and poor quality due to the fact that a polishing drill is held tightly manually for polishing.

In conclusion, the specific processing cutter and the cutter bar are adopted for repairing or processing the inner hole of the cylinder barrel with any diameter, and the inner hole needs to be frequently purchased and replaced, so that the defects of high processing cost and time waste exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of above-mentioned prior art, provide a hydraulic cylinder polishing equipment, avoided frequent customization and change cutter and cutter arbor, reduced the working costs, saved process time.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

in a first aspect, the embodiment of the utility model provides a hydraulic cylinder polishing equipment, including the lathe bed, lathe bed one end is equipped with driving system, and driving system is connected with the work piece mounting, and the other end of lathe bed is equipped with two-shaft linkage mechanism, and two-shaft linkage mechanism is connected with actuating mechanism, can drive actuating mechanism two direction motions of mutually perpendicular in the horizontal plane, and actuating mechanism is connected with the one end of polished rod, and the other end of polished rod is fixed with throws aureola.

Further, the workpiece fixing part adopts a three-jaw chuck.

Furthermore, the two-axis linkage mechanism comprises a first moving mechanism, the first moving mechanism is connected with a second moving mechanism and can drive the second moving mechanism to move along a first horizontal direction, and the second moving mechanism is connected with a driving mechanism and can drive the driving mechanism to move along a second horizontal direction perpendicular to the first horizontal direction.

Furthermore, the first moving mechanism and the second moving mechanism both adopt a screw rod transmission mechanism.

Furthermore, the driving mechanism comprises a bearing seat connected with the two-axis linkage mechanism, the polishing rod is rotationally connected with the bearing seat, a rotary driving piece is fixed on the bearing seat, and the rotary driving piece is connected with the polishing rod through a transmission mechanism.

Furthermore, the transmission mechanism adopts a belt transmission mechanism.

Furthermore, the rotary driving piece adopts a driving motor, the driving motor is connected with the control system through a frequency converter, the frequency converter can adjust the rotating speed of the polishing wheel randomly according to the load size and the material hardness, the working efficiency is ensured, the workpiece is not damaged, the whole polishing equipment is protected, and the processing is safe and reliable.

Furthermore, the polishing rod comprises a first rod part and a second rod part positioned at the end part of the first rod part, the diameter of the second rod part is smaller than that of the first rod part, the second rod part is sleeved with the polishing wheel and is screwed with a locking nut, and the polishing wheel is tightly pressed on a step surface between the second rod part and the first rod part by the locking nut.

Furthermore, a center frame is further arranged on the lathe bed, and the center frame is arranged between the workpiece fixing piece and the two-shaft linkage mechanism and used for supporting the end part of the workpiece.

Further, the polishing wheel adopts a thousand impeller or a fiber wheel.

Above-mentioned the utility model discloses an embodiment's beneficial effect as follows:

the utility model discloses a polishing equipment can utilize two-shaft linkage mechanism to adjust the position of polished rod and throwing aureola, and then satisfies the polishing demand of different internal diameter cylinder medial surfaces, need not to change polished rod and throwing aureola, and no time is extravagant, the processing cost is low.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

FIG. 1 is a front view of the overall structure of embodiment 1 of the present invention;

FIG. 2 is a schematic view of the installation of a polishing wheel according to embodiment 1 of the present invention;

the polishing machine comprises a machine body 1, a spindle box 2, a three-jaw chuck 3, a cylinder 4, a longitudinal slide carriage 5, a transverse slide carriage 6, a bearing seat 7, a driving motor 8, a frequency converter 9, a polishing rod 10, a first rod part 10-1, a second rod part 10-2, a belt transmission mechanism 11, a polishing wheel 12, a locking nut 13, a center frame 14 and an end cover 15.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As introduced by the background art, the existing polishing device for the cylinder barrel of the hydraulic cylinder has the defects of high processing cost and time waste because a specific processing cutter and a cutter bar are adopted for repairing or processing the inner hole of the cylinder barrel with any diameter and the defects of frequent customized purchase and replacement are needed.

In embodiment 1 of a typical embodiment of the present application, as shown in fig. 1 to 2, a polishing device for a cylinder barrel of a hydraulic cylinder is formed by modifying an existing lathe, and includes a lathe bed 1, the lathe bed is of an existing lathe bed structure, and the specific structure of the polishing device is not described in detail herein, one end of the lathe bed is provided with a power system, and the power system is installed in a main spindle box 2, and the power system is of an existing power system for a lathe, and the specific structure of the power system is not described in detail herein, and the power system is connected with a workpiece fixing member and can drive the workpiece fixing member to rotate.

The other end of lathe bed is provided with two-axis link gear, two-axis link gear adopt current two-axis link gear can, including first moving mechanism, preferably, first moving mechanism adopts screw drive mechanism, includes that the axis is on a parallel with the first lead screw that three-jaw chuck axis direction set up, first lead screw both ends rotate with the bearing frame to be connected, the bearing frame is fixed on the lathe bed, be connected with on the first lead screw and indulge carriage apron 5, the rotation of first lead screw can drive and indulge the carriage apron and move along the first horizontal direction that is on a parallel with first lead screw axis direction.

Indulge and install second moving mechanism on the carriage apron, it is preferred, second moving mechanism adopts screw drive mechanism, including the second lead screw, second lead screw both ends are rotated with the bearing frame and are connected, the bearing frame is fixed on indulging the carriage apron, the axis of the first lead screw of axis perpendicular to of second lead screw, be connected with horizontal carriage apron 6 on the second lead screw, the rotation of second lead screw can drive horizontal carriage apron along the second horizontal direction motion of the first horizontal direction of perpendicular to of second lead screw axis direction.

The horizontal slide carriage is provided with a driving mechanism, and the two-shaft linkage mechanism can drive the driving mechanism to move along a first horizontal direction and a second horizontal direction in a horizontal plane.

The driving mechanism comprises a bearing seat 7, the bearing seat is fixed on the horizontal slide carriage, a rotary driving piece is fixed on the top surface of the bearing seat, preferably, the rotary driving piece adopts a driving motor 8, the driving motor is connected with a control system of the lathe through a frequency converter 9, and the control system can control the output rotating speed of the driving motor through the frequency converter. The frequency converter can adjust the rotating speed of the polishing wheel randomly according to the load size and the material hardness, so that the working efficiency is ensured, the workpiece is not damaged, the whole polishing equipment is protected, and the processing is safe and reliable.

In this embodiment, the frequency converter is installed in the frequency conversion box.

The driving motor is connected with the polishing rod 10 through a transmission mechanism, and the driving motor can drive the polishing rod to rotate through the transmission mechanism.

Preferably, the transmission mechanism adopts a belt transmission mechanism 11, which comprises a driving belt wheel, a driven belt wheel and a transmission belt wound between the driving belt wheel and the driven belt wheel, the driving belt wheel is connected with an output shaft of the driving motor, the driven belt wheel is fixedly connected with one end of the polished rod, and the rotation of the driving belt wheel can drive the polished rod to rotate through the transmission belt and the driven belt wheel.

The polishing rod comprises a first rod part 10-1 and a second rod part 10-2, the diameter of the second rod part is smaller than that of the first rod part, one end of the first rod part is connected with the driven pulley, the other end of the first rod part is integrally provided with the second rod part, the second rod part is provided with the polishing wheel 12, the second rod part is in threaded connection with the locking nut 13, and the locking nut tightly presses the polishing wheel on a step surface formed by the first rod part and the second rod part.

Preferably, the polished rod is a hollow rod, is light in weight, and has the characteristics of high strength, stable movement, large cutting force and the like after tempering. Can provide sufficient cutting force for the inner hole of the cylinder barrel and improve the polishing speed and quality of the cylinder barrel.

Preferably, the polishing wheel adopts a thousand impeller or a fiber wheel, and preferably, end covers 15 are arranged between the two sides of the polishing wheel and the step surfaces of the locking nut and the first rod part and the second rod part to protect the polishing wheel.

It will be appreciated that the polishing wheel acts as a grinding and polishing tool and that one skilled in the art can rotate different numbers of polishing wheels depending on the hydraulic cylinder bore work piece and polishing quality requirements.

The lathe body is also provided with a center frame 14 which is arranged between the three-jaw chuck and the two-shaft linkage mechanism, the center frame can be the center frame for the existing lathe, and the specific structure of the center frame is not described in detail herein.

The center frame is used for supporting the end part of the cylinder barrel of the hydraulic cylinder and preventing deformation in the polishing process.

The working method of the polishing device of the embodiment is as follows:

one end of a cylinder barrel of a hydraulic cylinder to be polished is fixed through a three-jaw chuck, the other end of the cylinder barrel is supported by a center frame, a power system is started, the power system drives the cylinder barrel of the hydraulic cylinder to rotate forwards through the three-jaw chuck, a driving motor works to drive a polishing rod and a polishing wheel to rotate reversely, a first lead screw is rotated to enable the polishing rod and the polishing wheel to feed longitudinally along a first horizontal direction, the polishing rod and the polishing wheel extend into the cylinder barrel of the hydraulic cylinder, a second lead screw is rotated to enable the polishing rod and the polishing wheel to move along a second horizontal direction, the polishing wheel is in contact with the inner side face of the cylinder barrel of the hydraulic cylinder, the cutting depth of the polishing wheel is adjusted through the second lead screw, the inner side face of the cylinder barrel of the hydraulic cylinder is polished through rotation of the polishing wheel, and a bearing seat supports the polishing rod to move stably without jumping.

The cylinder barrel of the hydraulic cylinder rotates positively along with the power system, the polishing wheel rotates negatively along with the driving motor, the relative speed of the cylinder barrel and the polishing wheel is the stacking speed, the grinding and polishing speed of the inner hole of the cylinder barrel is accelerated, and the polishing speed is improved.

The first moving mechanism can longitudinally feed the polishing rod and the polishing wheel, and can polish inner holes of the cylinder barrels with different lengths. The frequency converter can carry out frequency conversion protection to the whole polishing system according to the load, and the processing is safe and reliable.

The second moving mechanism adjusts the transverse cutting depth of the polished rod and the polishing wheel, and the same polishing wheel can be used for polishing inner holes of the cylinder barrel with different inner diameters.

By adopting the polishing equipment of the embodiment, the cylinder barrels with different inner hole diameters and lengths are polished without replacing the polishing rod and the polishing wheel, so that the time waste is avoided, and the processing cost is low. The positive and negative rotation superposition speed and the depth cutter-feeding force of the horizontal slide carriage are adopted, so that the polishing speed is increased, the polishing quality is improved, and the polished surface is uniform and smooth. The device of the embodiment can be used for rough grinding and fine polishing of the cylinder barrel with the inner hole allowance within 0.3mm, and can also be used for improving the surface quality of the inner hole of the cylinder barrel.

Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.

Claims

1. The hydraulic cylinder barrel polishing equipment is characterized by comprising a machine body, wherein one end of the machine body is provided with a power system, the power system is connected with a workpiece fixing piece, the other end of the machine body is provided with a two-shaft linkage mechanism, the two-shaft linkage mechanism is connected with a driving mechanism and can drive the driving mechanism to move in two directions which are vertical to each other in a horizontal plane, the driving mechanism is connected with one end of a polished rod, and the other end of the polished rod is fixedly provided with a polishing wheel.

2. The hydraulic cylinder bore polishing apparatus of claim 1, wherein the workpiece mount is a three-jaw chuck.

3. The hydraulic cylinder barrel polishing device as recited in claim 1, wherein the two-axis linkage comprises a first moving mechanism connected to a second moving mechanism capable of driving the second moving mechanism to move in a first horizontal direction, and the second moving mechanism is connected to the driving mechanism capable of driving the driving mechanism to move in a second horizontal direction perpendicular to the first horizontal direction.

4. The hydraulic cylinder barrel polishing apparatus as recited in claim 3, wherein the first moving mechanism and the second moving mechanism are screw-driven mechanisms.

5. The hydraulic cylinder barrel polishing apparatus of claim 1, wherein the drive mechanism includes a bearing block connected to the two-axis linkage mechanism, the polishing rod is rotatably connected to the bearing block, and a rotary drive member is fixed to the bearing block and connected to the polishing rod through a transmission mechanism.

6. A hydraulic cylinder bore polishing apparatus as claimed in claim 5, wherein the drive means is a belt drive.

7. A hydraulic cylinder bore polishing apparatus as claimed in claim 5, wherein the rotary drive employs a drive motor, the drive motor being connected to the control system via a frequency converter.

8. The hydraulic cylinder barrel polishing apparatus according to claim 1, wherein said polishing rod includes a first rod portion and a second rod portion at an end of the first rod portion, the second rod portion having a smaller diameter than the first rod portion, said second rod portion being sleeved with a polishing wheel and being screwed with a lock nut, the lock nut pressing the polishing wheel against a step surface between the second rod portion and the first rod portion.

9. The hydraulic cylinder barrel polishing device as recited in claim 1, wherein a center frame is further provided on the machine bed, the center frame being disposed between the workpiece fixing member and the two-axis linkage mechanism for supporting the end of the workpiece.

10. The hydraulic cylinder barrel polishing apparatus of claim 1, wherein said polishing wheel is a thousand impeller or fiber wheel.