CN218904869U

CN218904869U - Low-pressure oil cylinder inner surface polishing device

Info

Publication number: CN218904869U
Application number: CN202223291534.3U
Authority: CN
Inventors: 陈飞; 陈俊; 汤纪胜; 张新清; 冯小龙
Original assignee: ZHEJIANG JIETEYOU POWER MACHINERY CO Ltd
Current assignee: ZHEJIANG JIETEYOU POWER MACHINERY CO Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-25
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of polishing equipment and discloses a low-pressure oil cylinder inner surface polishing device which comprises a lathe bed, a main shaft gearbox and a tailstock, wherein a slide carriage box is movably clamped at the top of the lathe bed, a tool rest is fixedly arranged at the top of the slide carriage box, polishing motors are movably arranged at the left side and the right side of the tool rest, a hoop is movably arranged at the top of the tool rest, the polishing motors are fixed through fixing bolts, and a connecting shaft is fixedly connected to an output shaft at the rear side of the hoop. According to the polishing device, the tool rest, the polishing motor, the anchor ear, the fixing bolt, the connecting shaft and the like are arranged, the workpiece is fixed on the lathe spindle through the fixing piece, the polishing motor is started to drive the connecting shaft and further drive the polishing wheel to be matched with the slide carriage box to polish the inner wall of the workpiece, the polishing roughness is flexibly controlled by changing different polishing wheels, and meanwhile, the polishing motor is matched with the anchor ear and the fixing bolt to be installed, so that the polishing device is easy to assemble, disassemble and maintain.

Description

Low-pressure oil cylinder inner surface polishing device

Technical Field

The utility model relates to the technical field of polishing equipment, in particular to a polishing device for the inner surface of a low-pressure oil cylinder.

Background

In the steam turbine industry, the polishing work of the inner wall is required to be carried out on the thin-wall blind holes or through holes and the low-pressure oil cylinder blind holes or through holes of special external shapes so as to ensure the technical requirements of higher roughness, dimensional accuracy and form and position tolerance in the design application, the polishing equipment used in the steam turbine cannot generally ensure the basic size before polishing and cannot meet the requirements of the dimensional tolerance, the requirements of the roughness can only be met, the clamping requirements of the special shape can not be met, the patterns are irregular, the overall surface size is uneven and the like by adopting a method of pure manual polishing on a lathe, and therefore the limitation of the polishing processing of the inner surface of the special low-pressure oil cylinder is caused, and the working efficiency is low.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the low-pressure oil cylinder inner surface polishing device which has the advantages of accurate polishing control, convenience in disassembly and assembly and capability of cleaning scraps.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a low pressure hydro-cylinder internal surface burnishing device, includes lathe bed, main shaft gearbox and tailstock, the top movable joint of lathe bed has the carriage case, the top fixed mounting of carriage case has the knife rest, the left and right sides movable mounting of knife rest has the polishing motor, the top movable mounting of knife rest has the staple bolt, the polishing motor is fixed through fixing bolt, fixedly connected with connecting axle on the output shaft of staple bolt rear side, the rear side movable mounting of connecting axle has the polishing wheel, the lathe main shaft is installed to the front side bearing of main shaft gearbox, the front side fixed mounting of lathe main shaft has the mounting, the front side movable joint of mounting has the work piece.

As a preferable technical scheme of the utility model, a dust hood is fixedly arranged at the rear end of the top of the machine body, a suction pump is fixedly arranged at the front end of the top of the main shaft gearbox, a connecting pipe is fixedly communicated between the dust hood and the suction pump, a sliding rail is fixedly arranged at the rear end of the top of the main shaft gearbox, a storage box is movably clamped at the inner side of the sliding rail, and the storage box is fixedly communicated with the suction pump.

As a preferred embodiment of the present utility model, the polishing wheel is mounted on the rear side of the connecting shaft by a fixing piece and a nut, and the polishing wheel can be replaced with a different thousand impellers and a woolen wheel.

As a preferable technical scheme of the utility model, the fixing piece is a flower disc or a chuck, and the workpiece is clamped through the fixing piece.

As a preferable technical scheme of the utility model, the rotation directions of the polishing motor and the lathe spindle are opposite.

As a preferable technical scheme of the utility model, the inner side of the joint of the storage box and the fixed screw sleeve is provided with internal threads matched with the fixed screw sleeve, and the storage box is connected with the suction pump through the fixed screw sleeve.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the polishing device, the tool rest, the polishing motor, the anchor ear, the fixing bolt, the connecting shaft and the like are arranged, the workpiece is fixed on the lathe spindle through the fixing piece, the polishing motor is started to drive the connecting shaft, further the polishing wheels are driven to be matched with the slide carriage box to polish the inner wall of the workpiece, the polishing roughness is flexibly controlled by changing different polishing wheels, and meanwhile, the polishing motor is matched with the anchor ear and the fixing bolt to be installed, so that the polishing device is easy to assemble, disassemble and maintain.

2. According to the utility model, the dust hood, the suction pump, the connecting pipe, the sliding rail and the like are arranged, so that scraps produced during polishing of the workpiece by the polishing wheel fall out and fall into the dust hood, the scraps are pumped into the storage box from the dust hood through the connecting pipe by starting the suction pump, the storage box is conveniently detached by rotating the fixing screw sleeve, and the storage box is conveniently detached by drawing through the sliding rail for cleaning, so that the dust cleaning device has the advantage of cleaning the scraps.

Drawings

FIG. 1 is a schematic view of the appearance structure of the present utility model;

FIG. 2 is a left-hand structural schematic diagram of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic diagram of a front view of the present utility model;

fig. 5 is an enlarged schematic view of the utility model at a of fig. 1.

In the figure: 1. a bed body; 2. a main shaft gearbox; 3. a tailstock; 4. a carriage box; 5. a tool holder; 6. polishing a motor; 7. a hoop; 8. a fixing bolt; 9. a connecting shaft; 10. a polishing wheel; 11. a lathe spindle; 12. a fixing member; 13. a workpiece; 14. a dust hood; 15. a suction pump; 16. a connecting pipe; 17. a slide rail; 18. a storage box; 19. and fixing the screw sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 5, the utility model provides a low-pressure oil cylinder inner surface polishing device, which comprises a lathe bed 1, a main shaft gearbox 2 and a tail frame 3, wherein a slide carriage box 4 is movably clamped at the top of the lathe bed 1, a tool rest 5 is fixedly arranged at the top of the slide carriage box 4, polishing motors 6 are movably arranged at the left side and the right side of the tool rest 5, a hoop 7 is movably arranged at the top of the tool rest 5, the polishing motors 6 are fixed through fixing bolts 8, a connecting shaft 9 is fixedly connected to an output shaft at the rear side of the hoop 7, a polishing wheel 10 is movably arranged at the rear side of the connecting shaft 9, a lathe main shaft 11 is arranged on a front side bearing of the main shaft gearbox 2, a fixing piece 12 is fixedly arranged at the front side of the lathe main shaft 11, and a workpiece 13 is movably clamped at the front side of the fixing piece 12;

the workpiece 13 is fixed on the front side of the lathe spindle 11 through a fixing piece 12, then the polishing motor 6 is started to drive the connecting shaft 9 to rotate, meanwhile, the spindle gearbox 2 is started to drive the lathe spindle 11 to rotate, and the polishing wheel 10 on the rear side of the connecting shaft 9 extends into the inner wall of the workpiece 13 through the slide carriage 4 to polish;

the polishing motor 6 is matched with the connecting shaft 9 to drive the polishing wheel 10 to rotate, the spindle gearbox 2 is matched with the lathe spindle 11 to rotate, then the polishing wheel 10 stretches into the inner wall of the workpiece 13 to polish through the slide carriage box 4, the polishing wheel 10 can be replaced through the use of the polishing wheel 10, so that the polishing roughness is flexibly controlled, meanwhile, the polishing motor 6 is conveniently disassembled and assembled through the hoop 7 and the fixing bolt 8 matched with the tool rest 5, most lathes are matched with universality, and meanwhile maintenance work is also facilitated.

The dust hood 14 is fixedly arranged at the rear end of the top of the lathe bed 1, the suction pump 15 is fixedly arranged at the front end of the top of the main shaft gearbox 2, the connecting pipe 16 is fixedly communicated between the dust hood 14 and the suction pump 15, the sliding rail 17 is fixedly arranged at the rear end of the top of the main shaft gearbox 2, the storage box 18 is movably clamped at the inner side of the sliding rail 17, and the storage box 18 is fixedly communicated with the suction pump 15;

polishing the inner wall of the workpiece 13 by the polishing wheel 10, and taking the generated scraps out of the polishing wheel 10 to fall into the dust hood 14, and pumping the scraps in the dust hood 14 into the storage box 18 by starting the suction pump 15 through the connecting pipe 16;

through the setting of suction hood 14 cooperation suction pump 15, the piece that produces when conveniently polishing is collected, carries to the bin 18 in through connecting pipe 16, conveniently carries out unified processing to the piece through the bin 18.

Wherein, the polishing wheel 10 is arranged at the rear side of the connecting shaft 9 through a fixing piece and a nut, and the polishing wheel 10 can be replaced by a plurality of different impellers and woolen wheels;

the polishing motor 6 is started to drive the connecting shaft 9 and further drive the polishing wheel 10 to rotate, the polishing wheel 10 is contacted with the inner wall of the workpiece 13 to polish the workpiece, and the workpiece is polished by replacing different kiloimpeller wheels and then polished again by replacing the woolen wheels;

the polishing wheel 10 is convenient to replace through the fixing piece and the nut, the hole wall turning tool lines are removed through the rough polishing kiloimpeller, then the fine polishing kiloimpeller is replaced to improve the roughness, finally the roughness is improved through the installation of the woolen cloth wheel, and the polishing effect is guaranteed through the replacement of different polishing wheels 10, so that the flexible control of polishing is realized.

Wherein the fixing piece 12 is a flower disc or a chuck, and the workpiece 13 is clamped through the fixing piece 12;

the workpiece 13 is fixed through the fixing piece 12, then the polishing motor 6 is started to drive the connecting shaft 9 to drive the polishing wheel 10 to rotate, and the polishing wheel 10 polishes the inner wall of the workpiece 13 by controlling the slide carriage box 4 to be close to the workpiece 13;

by arranging the fixing piece 12 as a flower disc or a chuck, the workpiece 13 is conveniently clamped, the stability of the workpiece during polishing is improved, and the workpiece is prevented from being deviated.

Wherein the rotation directions of the polishing motor 6 and the lathe spindle 11 are opposite;

the polishing motor 6 is started to drive the connecting shaft 9 to rotate, the connecting shaft 9 rotates to drive the polishing wheel 10 to rotate, meanwhile, the spindle gearbox 2 is controlled to drive the lathe spindle 11 to further drive the fixing piece 12 to drive the workpiece 13 to rotate, and the slide carriage 4 is close to the inner wall of the workpiece 13 through the polishing wheel 10 to polish the inner wall of the workpiece 13;

the main shaft gearbox 2 drives the lathe main shaft 11 to further drive the workpiece 13 to perform main motion, and simultaneously the polishing motor 6 is matched to drive the connecting shaft 9 to further drive the polishing wheel 10 to reversely rotate to perform auxiliary motion, so that the polishing effect on the workpiece 13 is improved.

Wherein, the inner side of the joint of the storage box 18 and the fixed screw sleeve 19 is provided with internal threads matched with the fixed screw sleeve 19, and the storage box 18 is connected with the suction pump 15 through the fixed screw sleeve 19;

the fixing screw sleeve 19 is screwed to remove the fixing screw sleeve 19, so that the connection between the storage box 18 and the suction pump 15 is disconnected, and the storage box 18 is removed for cleaning and then is put back by sliding the storage box 18 backwards along the sliding rail 17;

through the setting of fixed swivel nut 19, convenient dismouting has been made to storage box 18 and suction pump 15 between to the piece in the convenient storage box 18 of clearing up.

The working principle and the using flow of the utility model are as follows:

the workpiece 13 to be polished is fixed on the lathe spindle 11 through the fixing piece 12, the lathe spindle 11 is driven to rotate through the spindle gearbox 2, meanwhile, the connecting shaft 9 is driven to further drive the polishing wheel 10 to reversely rotate through the polishing motor 6, the polishing wheel 10 stretches into the inner wall of the workpiece 13 through controlling the slide carriage box 4 to approach the spindle gearbox 2, the workpiece 13 is roughly polished through the polishing wheel 10, then the polishing wheel 10 is replaced through controlling the slide carriage box 4 to stop rotating the polishing motor 6, fine polishing and lifting roughness are respectively carried out on the inner wall of the workpiece 13, meanwhile, scraps produced in polishing are brought out of the workpiece 13 along with the rotation of the polishing wheel 10, fall onto the dust hood 14, are guided through the dust hood 14, and are pumped into the storage box 18 through starting the suction pump 15, the scraps are pumped into the storage box 14 through the connecting pipe 16, and when the polishing machine is not used, the storage box 18 is disconnected from the storage box 18 through rotating the fixing screw sleeve 19, the storage box 18 is simultaneously slid along the slide rail 17 to be removed, the inside is cleaned, and the inside scraps are firmly connected with the storage box 18 through screwing the fixing screw sleeve 19.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low pressure hydro-cylinder internal surface burnishing device, includes lathe bed (1), main shaft gearbox (2) and tailstock (3), its characterized in that: the polishing machine is characterized in that a slide carriage box (4) is movably clamped at the top of the machine body (1), a tool rest (5) is fixedly arranged at the top of the slide carriage box (4), polishing motors (6) are movably arranged at the left side and the right side of the tool rest (5), a hoop (7) is movably arranged at the top of the tool rest (5), the polishing motors (6) are fixed through fixing bolts (8), a connecting shaft (9) is fixedly connected to an output shaft at the rear side of the hoop (7), a polishing wheel (10) is movably arranged at the rear side of the connecting shaft (9), a lathe spindle (11) is arranged on a front side bearing of the spindle gearbox (2), a fixing piece (12) is fixedly arranged at the front side of the lathe spindle (11), and a workpiece (13) is movably clamped at the front side of the fixing piece (12).

2. The low pressure cylinder inner surface polishing apparatus as set forth in claim 1, wherein: the novel dust collection device is characterized in that a dust collection cover (14) is fixedly arranged at the rear end of the top of the lathe bed (1), a suction pump (15) is fixedly arranged at the front end of the top of the main shaft gearbox (2), a connecting pipe (16) is fixedly communicated between the dust collection cover (14) and the suction pump (15), a sliding rail (17) is fixedly arranged at the rear end of the top of the main shaft gearbox (2), a storage box (18) is movably clamped on the inner side of the sliding rail (17), and the storage box (18) is fixedly communicated with the suction pump (15).

3. The low pressure cylinder inner surface polishing apparatus as set forth in claim 1, wherein: the polishing wheel (10) is arranged at the rear side of the connecting shaft (9) through a fixing piece and a nut, and the polishing wheel (10) can be replaced by a plurality of different impellers and wool wheels.

4. The low pressure cylinder inner surface polishing apparatus as set forth in claim 1, wherein: the fixing piece (12) is a flower disc or a chuck, and the workpiece (13) is clamped through the fixing piece (12).

5. The low pressure cylinder inner surface polishing apparatus as set forth in claim 1, wherein: the rotation direction of the polishing motor (6) and the rotation direction of the lathe spindle (11) are opposite.

6. The low pressure cylinder inner surface polishing apparatus as set forth in claim 2, wherein: the inner side of the connecting part of the storage box (18) and the fixed screw sleeve (19) is provided with internal threads matched with the fixed screw sleeve (19), and the storage box (18) is connected with the suction pump (15) through the fixed screw sleeve (19).