CN116276599A

CN116276599A - Large-diameter thin-wall sleeve polishing device

Info

Publication number: CN116276599A
Application number: CN202310564497.9A
Authority: CN
Inventors: 刘占伟; 周浩; 王健岗; 张燕
Original assignee: Shanghai Beihao Shipbuilding Technology Co ltd; Hefei Beihao Marine Equipment Technology Co ltd
Current assignee: Shanghai Beihao Shipbuilding Technology Co ltd; Hefei Beihao Marine Equipment Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-06-23
Anticipated expiration: 2043-05-19
Also published as: CN116276599B

Abstract

The invention relates to the technical field of polishing devices, in particular to a large-diameter thin-wall sleeve polishing device, which is characterized in that a control console is arranged on a rotary table, electric push rods are respectively arranged on two sides of the control console, the electric push rods are arranged in parallel with a push plate, the end parts of the electric push rods are detachably connected with connecting seats, two groups of mounting shafts are arranged on the connecting seats, connecting rods are arranged on the mounting shafts, the power of the mounting shafts is connected with a driving assembly, the driving assembly is used for adjusting an included angle between the two groups of connecting rods, the connecting rods are connected with a supporting module, and a plurality of connecting seats and the supporting module are connected end to form a round supporting frame which is matched with the inner diameter of the thin-wall sleeve. The support of the thin-wall sleeve with large diameter and short length is realized.

Description

Large-diameter thin-wall sleeve polishing device

Technical Field

The invention relates to the technical field of polishing devices, in particular to a polishing device for a large-diameter thin-wall sleeve.

Background

The sealing sleeve of the ship propeller is a part of the longest protection shaft part and is used for rotationally sealing the propeller, namely, a shafting of the ship rotating is isolated from seawater, the size of the sealing sleeve is increased along with the increase of the diameter of the shafting, the processing difficulty is correspondingly increased, and particularly, when the polishing operation is carried out, the large-diameter thin-wall sleeve is easy to be extruded to deform.

The invention of China with the application number of 202010796499.7 provides a self-balancing internal support structure of a large-diameter thin-wall round pipe and a support method thereof, wherein arc-shaped pieces of two support kits are alternately arranged in the circumferential direction of the large-diameter thin-wall round pipe and are arranged at intervals in the length direction of a connecting middle section; and the opposite ends of the pushing piece are respectively hinged with the end head and the supporting rod at the same end of the middle core piece, so that the large-diameter thin-wall round tube is supported.

However, the applicant has found that the prior art suffers from at least the following problems:

because the arc-shaped pieces are alternately arranged in the circumferential direction of the large-diameter thin-wall round pipe and are arranged at intervals in the length direction of the connecting middle section, the arc-shaped pieces require a certain length of the thin-wall pipe, and effective support cannot be realized for the thin-wall sleeve with large diameter but short length.

Disclosure of Invention

In view of the above, the present invention aims to provide a polishing device for a large-diameter thin-wall sleeve, so as to solve the problem that the prior art cannot effectively support a thin-wall sleeve with a large diameter but a short length.

Based on the above object, the invention provides a large-diameter thin-wall sleeve polishing device, which comprises a base, wherein a rotary table for placing a thin-wall sleeve is arranged on the base, a workbench is further arranged on the base, polishing wheels for polishing the thin-wall sleeve are arranged on the workbench, vertical plates are respectively arranged on two sides of the base, push plates are arranged on the vertical plates, two groups of push plates are used for clamping and guiding the thin-wall sleeve, a control console is arranged on the rotary table, electric push rods are respectively arranged on two sides of the control console, the electric push rods are arranged in parallel with the push plates, connecting seats are detachably connected to the ends of the electric push rods, two groups of mounting shafts are arranged on the connecting seats, connecting rods are arranged on the mounting shafts, a driving assembly is connected to the power of the mounting shafts, the driving assembly is used for adjusting an included angle between the two groups of connecting rods, the connecting rods are connected with a supporting module, and a plurality of connecting seats and the supporting module are connected end to form a round supporting frame which is matched with the inner diameter of the thin-wall sleeve.

Optionally, the riser is connected with hydraulic push rod, and hydraulic push rod is connected with the push pedal, and hydraulic push rod is used for driving the push pedal to remove.

Optionally, install electric telescopic handle on the workstation, electric telescopic handle's output is connected with the mount pad, installs the polishing wheel on the mount pad, and electric telescopic handle is used for adjusting the distance between polishing wheel and the thin wall cover.

Optionally, the console includes:

the input module is used for inputting the inner diameter parameter R of the thin-wall sleeve and the number s of the used supporting modules;

the calculation module is used for calculating the length L of the selected support module according to the read inner diameter parameter R of the thin-wall sleeve and the number s of the used support modules; as shown in the figure, the center of the circle is taken as the vertex, two ends of the supporting module are connected to form an isosceles triangle, and the vertex angle of the isosceles triangle

Then->

Then->

。

And the output module is used for displaying the length L of the selected support module.

Optionally, the support module includes first module and second module, installs the inserted bar on the first module, is equipped with the inserted hole with inserted bar looks adaptation on the second module, still installs the locking pin that carries out locking to the inserted bar on the second module screw thread.

Optionally, connecting rod end connection has the erection column, and the erection column front end cover is equipped with the pole cap, is connected with buffer spring between erection column and the pole cap.

Optionally, the support module includes the outside buffer head that extends in both sides, and the interface has still been seted up to support module side, and the inside elasticity of interface is equipped with the gag lever post that can reciprocate, and the connecting rod tip is equipped with the joint, and the joint is arranged in inserting the interface, and the joint tip is equipped with the conflict inclined plane, and the gag lever post lateral surface is equipped with and contradicts inclined plane matched with and push the face, still is equipped with the buckle groove on the joint for hold the gag lever post.

Optionally, be equipped with in the support module and hold the chamber, the gag lever post is located and holds the intracavity, installs reset spring between gag lever post and the inner wall that holds the chamber, and the gag lever post is connected with the stay cord, and the stay cord end stretches out to the support module surface, and the stay cord end-to-end connection has the pull ring.

Optionally, install the gear on the installation axle, set up the guide way on the connecting seat, install the rack in the guide way, rack and gear engagement are connected, set up the air cavity in the connecting seat, the air cavity is connected with the inflation inlet, is equipped with the solenoid valve on the inflation inlet, installs the air plug in the air cavity, air plug and rack fixed connection, still set up the holding chamber in the connecting seat, install the connecting plate in the holding chamber, connecting plate and rack fixed connection are connected with compression spring between connecting plate and the holding chamber.

Optionally, the electric putter is last to be installed quick-operation joint, and the quick-operation joint is connected with the trachea for with inflation inlet quick-operation joint inflation.

The invention has the beneficial effects that: the invention provides a large-diameter thin-wall sleeve polishing device, which is characterized in that a large-diameter thin-wall sleeve is placed on a rotary table, then the thin-wall sleeve is clamped from two sides through two groups of pushing plates, so that the circle center of the thin-wall sleeve is positioned on the extension lines of two groups of electric pushing rods, one group of connecting seats are respectively arranged on the two groups of electric pushing rods, two groups of connecting rods on the connecting seats are respectively connected with a supporting module, the two groups of electric pushing rods simultaneously extend reversely for the same length until the circle center of the thin-wall sleeve is fixed, then a plurality of connecting seats and the supporting modules are connected end to end until a circular supporting frame which is matched with the inner diameter of the thin-wall sleeve is formed, the circular supporting frame is supported from the inside of the thin-wall sleeve, the rotary table is started, the two groups of electric pushing rods rotate to drive the circular supporting frame to rotate, and the thin-wall sleeve is driven to rotate, and the polishing wheel rotates to polish the thin-wall sleeve, so that the support of the thin-wall sleeve with large diameter and short length is realized.

Meanwhile, after the circular support frame is built, the thin-wall sleeve can be moved along with the thin-wall sleeve in the carrying process after polishing is finished, so that the support in the moving process is realized.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a large diameter thin wall sleeve polishing apparatus according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of a part of the structure of the portion A in FIG. 1;

FIG. 3 is a schematic view showing an operation state of a polishing apparatus for a large-diameter thin-wall sleeve according to an embodiment of the present invention;

FIG. 4 is a schematic view showing a partial structure of a polishing apparatus for a large-diameter thin-walled sleeve according to an embodiment of the present invention;

FIG. 5 is a schematic view showing a partial structure of a large-diameter thin-wall sleeve polishing device according to an embodiment of the present invention;

FIG. 6 is a schematic side view of a support module of a large-diameter thin-walled sleeve polishing apparatus according to an embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of a support module of a large diameter thin wall sleeve polishing apparatus according to an embodiment of the present invention;

FIG. 8 is a schematic diagram of a large diameter thin wall sleeve polishing apparatus according to an embodiment of the present invention;

fig. 9 is a schematic view of a support module of a large-diameter thin-walled sleeve polishing apparatus according to an embodiment of the present invention.

Marked in the figure as:

101. a base; 102. a rotary table; 103. a console; 104. an electric push rod; 105. an air pipe; 106. a quick connector; 201. a vertical plate; 202. a hydraulic push rod; 203. a push plate; 301. a work table; 302. an electric telescopic rod; 303. a mounting base; 304. a polishing wheel; 401. a connecting seat; 402. a guide groove; 403. a rack; 404. an air cavity; 405. an air plug; 406. an inflation inlet; 407. a connecting plate; 408. a receiving chamber; 409. a compression spring; 410. a mounting shaft; 411. a gear; 412. a connecting rod; 413. a clamping joint; 501. a support module; 502. a buffer head; 503. a card interface; 504. a limit rod; 505. a return spring; 506. a pull ring; 507. a first module; 508. a second module; 509. an insertion rod; 510. and a locking pin.

Detailed Description

The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.

It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 to 5, a specific embodiment of the present invention provides a polishing device for a large-diameter thin-wall sleeve, including a base 101, a rotary table 102 for placing the thin-wall sleeve is installed on the base 101, a workbench 301 is also installed on the base 101, polishing wheels 304 for polishing the thin-wall sleeve are installed on the workbench 301, vertical plates 201 are respectively arranged on two sides of the base 101, push plates 203 are installed on the vertical plates 201, and two groups of push plates 203 are used for clamping and guiding the thin-wall sleeve;

install the control cabinet 103 on the revolving stage 102, the control cabinet 103 both sides are equipped with electric putter 104 respectively, electric putter 104 and push pedal 203 parallel arrangement, electric putter 104 tip detachably is connected with connecting seat 401, install two sets of installation axles 410 on the connecting seat 401, install connecting rod 412 on the installation axle 410, installation axle 410 power is connected with drive assembly, drive assembly is used for adjusting the contained angle between two sets of connecting rods 412, connecting rod 412 is connected with supporting module 501, a plurality of connecting seats 401 and supporting module 501 end to end form a circular support frame that suits with the thin wall cover internal diameter jointly.

In use, a large-diameter thin-wall sleeve is placed on the rotary table 102, then the thin-wall sleeve is clamped from two sides through two groups of push plates 203, so that the circle center of the thin-wall sleeve is positioned on the extension lines of two groups of electric push rods 104, a group of connecting seats 401 are respectively installed on the two groups of electric push rods 104, two groups of connecting rods 412 on the connecting seats 401 are respectively connected with a supporting module 501, the two groups of electric push rods 104 simultaneously extend reversely for the same length until the circle center of the thin-wall sleeve is fixed, then the connecting seats 401 and the supporting modules 501 are connected end to end until a circular supporting frame which is matched with the inner diameter of the thin-wall sleeve is formed, the circular supporting frame is supported from the inside of the thin-wall sleeve, the rotary table 102 is started, the two groups of electric push rods 104 are rotated to drive the circular supporting frame to rotate, and the thin-wall sleeve is driven to rotate, and the polishing wheel 304 rotates to polish the thin-wall sleeve, so that the support of the thin-wall sleeve with large diameter and short length is realized.

In some alternative embodiments, as shown in fig. 1 and 3, the vertical plate 201 is connected to a hydraulic push rod 202, the hydraulic push rod 202 is connected to a push plate 203, and the hydraulic push rod 202 is used to drive the push plate 203 to move.

In some alternative embodiments, as shown in fig. 2, an electric telescopic rod 302 is installed on the workbench 301, an output end of the electric telescopic rod 302 is connected with a mounting seat 303, a polishing wheel 304 is installed on the mounting seat 303, and the electric telescopic rod 302 is used for adjusting the distance between the polishing wheel 304 and the thin-wall sleeve.

In some alternative embodiments, as shown in fig. 1 to 7, the console 103 includes:

the input module is used for inputting the inner diameter parameter R of the thin-wall sleeve and the number s of the used supporting modules 501;

the calculation module is used for calculating the length L of the selected support modules 501 according to the read inner diameter parameter R of the thin-wall sleeve and the number s of the used support modules 501; then, as shown in fig. 6, the center of the circle is used as the vertex, and the two ends of the supporting module 501 are connected to form an isosceles triangle, and the vertex angle of the isosceles triangle

Then->

Then->

。

And the output module displays the length L of the selected support module 501.

When the support module 501 is used, the number s of the support modules 501 is roughly determined according to the diameter of the thin-wall sleeve and the distance between the support points of the thin-wall sleeve, the internal diameter parameter R of the thin-wall sleeve and the number s of the used support modules 501 are input to obtain the length of the support modules 501 to be selected, so that the support modules 501 are selected for splicing, the length of the support modules 501 can be reserved by preparing the support modules 501 with different lengths, and the support modules 501 can also be set to be adjustable in length, as shown in fig. 9, the support modules 501 comprise a first module 507 and a second module 508, an inserting hole matched with the inserting hole 509 is formed in the first module 507, and a locking pin 510 for locking the inserting hole 509 is further arranged on the second module 508 in a threaded manner.

In some alternative embodiments, as shown in fig. 7, the connecting rod 412 is of an elastic telescopic structure, the end of the connecting rod 412 is connected with a mounting post, the front end of the mounting post is sleeved with a rod cap, and a buffer spring is connected between the mounting post and the rod cap. Through setting up connecting rod 412 to elasticity extending structure to reduce the accuracy requirement to the length L of support module 501, simultaneously, owing to buffer spring's existence, can produce certain buffering to the deformation of thin wall cover.

In some optional embodiments, as shown in fig. 6 and fig. 7, the supporting module 501 includes buffer heads 502 extending outwards from two sides, a clamping port 503 is further provided on a side surface of the supporting module 501, a limiting rod 504 capable of moving up and down is elastically provided inside the clamping port 503, a clamping connector 413 is provided at an end portion of the connecting rod 412, the clamping connector 413 is used to be inserted into the clamping port 503, an abutting inclined surface is provided at an end portion of the clamping connector 413, a pushing surface matched with the abutting inclined surface is provided on an outer side surface of the limiting rod 504, and a clamping groove is further provided on the clamping connector 413 for accommodating the limiting rod 504. During the use, push into the joint interface 503 with the joint 413, push in-process, the conflict inclined plane of joint 413 tip and the thrust face contact of gag lever post 504 lateral surface, push up gag lever post 504 for joint 413 can get into joint interface 503 smoothly, later in under the elasticity effect, gag lever post 504 inserts in the buckle groove, and the restriction joint 413 shifts out, realizes the quick concatenation to a plurality of support module 501.

In some alternative embodiments, as shown in fig. 7, a receiving cavity is provided in the supporting module 501, a stop lever 504 is provided in the receiving cavity, a return spring 505 is installed between the stop lever 504 and an inner wall of the receiving cavity, the stop lever 504 is connected with a pull rope, a tail end of the pull rope extends out to an outer surface of the supporting module 501, and a pull ring 506 is connected to a tail end of the pull rope.

In some alternative embodiments, as shown in fig. 4 and fig. 5, a gear 411 is installed on the installation shaft 410, a guide groove 402 is formed on the connection seat 401, a rack 403 is installed in the guide groove 402, the rack 403 is meshed with the gear 411, an air cavity 404 is formed in the connection seat 401, the air cavity 404 is connected with an air charging port 406, an electromagnetic valve is arranged on the air charging port 406, an air plug 405 is installed in the air cavity 404, the air plug 405 is fixedly connected with the rack 403, a containing cavity 408 is also formed in the connection seat 401, a connecting plate 407 is installed in the containing cavity 408, the connecting plate 407 is fixedly connected with the rack 403, and a compression spring 409 is connected between the connecting plate 407 and the containing cavity 408.

In use, the compression spring 409 is determined by inflating into the air chamber 404 and monitoring the pressure in the air chamber 404, thereby controlling the feed of the rack 403 and adjusting the angle between the two sets of connecting rods 412.

In some alternative embodiments, as shown in fig. 4 and 5, the electric push rod 104 is provided with a quick connector 106, and the quick connector 106 is connected with an air pipe 105 for quick connection with the air charging port 406 for charging.

The working principle of the invention is as follows: in use, a large-diameter thin-wall sleeve is placed on the rotary table 102, then the thin-wall sleeve is clamped from two sides through two groups of push plates 203, so that the circle center of the thin-wall sleeve is positioned on the extension lines of two groups of electric push rods 104, a group of connecting seats 401 are respectively installed on the two groups of electric push rods 104, two groups of connecting rods 412 on the connecting seats 401 are respectively connected with a supporting module 501, the two groups of electric push rods 104 simultaneously extend reversely for the same length until the circle center of the thin-wall sleeve is fixed, then the connecting seats 401 and the supporting modules 501 are connected end to end until a circular supporting frame which is matched with the inner diameter of the thin-wall sleeve is formed, the circular supporting frame is supported from the inside of the thin-wall sleeve, the rotary table 102 is started, the two groups of electric push rods 104 are rotated to drive the circular supporting frame to rotate, and the thin-wall sleeve is driven to rotate, and the polishing wheel 304 rotates to polish the thin-wall sleeve, so that the support of the thin-wall sleeve with large diameter and short length is realized.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the invention (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the invention, the steps may be implemented in any order and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.

The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a major diameter thin wall cover burnishing device, includes base (101), installs on base (101) and is used for placing revolving stage (102) of thin wall cover, still installs workstation (301) on base (101), installs on workstation (301) and is used for carrying out polishing wheel (304) to the thin wall cover, base (101) both sides are equipped with riser (201) respectively, install push pedal (203) on riser (201), two sets of push pedal (203) are used for the tight direction of thin wall cover clamp, a serial communication port, install control cabinet (103) on revolving stage (102), control cabinet (103) both sides are equipped with electric putter (104) respectively, electric putter (104) and push pedal (203) parallel arrangement, electric putter (104) tip detachable connection has connecting seat (401), install two sets of installation axle (410) on connecting seat (401), install connecting rod (412) on installation axle (410), driving assembly is used for adjusting the contained angle between two sets of connecting rod (412), connecting rod (412) are connected with supporting module (501), a plurality of connecting seats (401) and supporting module (501) and a circular support frame that the same with the thin wall cover of supporting module is formed jointly.

2. The large-diameter thin-wall sleeve polishing device according to claim 1, wherein the vertical plate (201) is connected with a hydraulic push rod (202), the hydraulic push rod (202) is connected with a push plate (203), and the hydraulic push rod (202) is used for driving the push plate (203) to move.

3. The large-diameter thin-wall sleeve polishing device according to claim 1, wherein an electric telescopic rod (302) is installed on the workbench (301), an output end of the electric telescopic rod (302) is connected with a mounting seat (303), a polishing wheel (304) is installed on the mounting seat (303), and the electric telescopic rod (302) is used for adjusting the distance between the polishing wheel (304) and the thin-wall sleeve.

4. A large diameter thin wall sleeve polishing apparatus according to claim 1, wherein said console (103) comprises:

the input module is used for inputting the inner diameter parameter R of the thin-wall sleeve and the number s of the used supporting modules (501);

the calculation module is used for calculating the length L of the selected support modules (501) according to the read inner diameter parameter R of the thin-wall sleeve and the number s of the used support modules (501); with the center of a circle as the vertex, two ends of the supporting module (501) are connected to form an isosceles triangle, and the vertex angle of the isosceles triangle

Then->

Then->

；

And the output module displays the length L of the selected supporting module (501).

5. The large-diameter thin-wall sleeve polishing device according to claim 4, wherein the supporting module (501) comprises a first module (507) and a second module (508), an inserting rod (509) is installed on the first module (507), an inserting opening matched with the inserting rod (509) is formed in the second module (508), and a locking pin (510) for locking the inserting rod (509) is further installed on the second module (508) in a threaded mode.

6. The polishing device for the large-diameter thin-wall sleeve according to claim 4, wherein the end part of the connecting rod (412) is connected with a mounting column, the front end of the mounting column is sleeved with a rod cap, and a buffer spring is connected between the mounting column and the rod cap.

7. The large-diameter thin-wall sleeve polishing device according to claim 1, wherein the supporting module (501) comprises buffer heads (502) with two sides extending outwards, a clamping connector (503) is further arranged on the side face of the supporting module (501), a limiting rod (504) capable of moving up and down is elastically arranged inside the clamping connector (503), a clamping connector (413) is arranged at the end part of the connecting rod (412), the clamping connector (413) is used for being inserted into the clamping connector (503), an abutting inclined surface is arranged at the end part of the clamping connector (413), a pushing surface matched with the abutting inclined surface is arranged on the outer side face of the limiting rod (504), and a clamping groove is further formed in the clamping connector (413) and used for accommodating the limiting rod (504).

8. The large-diameter thin-wall sleeve polishing device according to claim 7, wherein the supporting module (501) is provided with a containing cavity, the limiting rod (504) is arranged in the containing cavity, a return spring (505) is arranged between the limiting rod (504) and the inner wall of the containing cavity, the limiting rod (504) is connected with a pull rope, the tail end of the pull rope extends out to the outer surface of the supporting module (501), and the tail end of the pull rope is connected with a pull ring (506).

9. The large-diameter thin-wall sleeve polishing device according to claim 1, wherein the gear (411) is installed on the installation shaft (410), the guide groove (402) is formed in the connection seat (401), the rack (403) is installed in the guide groove (402), the rack (403) is connected with the gear (411) in a meshed mode, the air cavity (404) is formed in the connection seat (401), the air cavity (404) is connected with the air charging port (406), the electromagnetic valve is arranged on the air charging port (406), the air plug (405) is installed in the air cavity (404), the air plug (405) is fixedly connected with the rack (403), the accommodating cavity (408) is further formed in the connection seat (401), the connecting plate (407) is fixedly connected with the rack (403), and the compression spring (409) is connected between the connecting plate (407) and the accommodating cavity (408).

10. The large-diameter thin-wall sleeve polishing device according to claim 9, wherein a quick connector (106) is mounted on the electric push rod (104), and the quick connector (106) is connected with an air pipe (105) for being quickly connected with an inflation inlet (406) for inflation.