CN112476210B

CN112476210B - Burnishing device of mechanical seal processing

Info

Publication number: CN112476210B
Application number: CN202011346211.2A
Authority: CN
Inventors: 朱科军; 时升; 陈志刚; 张高峰; 郭怀仲; 罗斌; 刘志辉
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2022-12-30
Anticipated expiration: 2040-11-26
Also published as: CN112476210A

Abstract

The invention discloses a polishing device for machining a mechanical sealing element, relates to the technical field of polishing devices, and mainly aims to solve the problem that the polishing quality is affected due to the fact that a machined part is easily deviated in the polishing process because the conventional polishing device for machining the mechanical sealing element is not firm enough to fix the machined part. The polishing device for machining the mechanical sealing element comprises a workbench, wherein a working box is fixedly arranged on the upper side of the workbench, a support is fixedly arranged on the upper side of the working box, and a polishing mechanism is arranged on the lower side of the support; a processing table is fixedly arranged at the center of the upper side of the working box, and a plurality of air holes are formed in the upper side of the processing table; piston rods are movably arranged on the left side and the right side of the processing table in a penetrating mode respectively, and one ends, located inside the processing table, of the two piston rods are fixedly connected with pistons movably arranged inside the processing table respectively.

Description

Burnishing device of mechanical seal processing

Technical Field

The invention relates to a polishing device, in particular to a polishing device for machining a mechanical sealing element.

Background

Polishing refers to a processing method for reducing the roughness of the surface of a workpiece by using mechanical, chemical or electrochemical action to obtain a bright and flat surface, and is a method for modifying the surface of the workpiece by using a polishing tool and abrasive particles or other polishing media; the machined part needs to be fixed when polishing, but most of the fixing mechanisms in the polishing devices for machining the mechanical sealing parts in the prior art are simple, the fixing effect on the machined part is poor, the machined part is easy to shift in position during polishing, and the polishing quality of the machined part is influenced.

Disclosure of Invention

The present invention is directed to a polishing apparatus for machining a mechanical seal, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a polishing device for machining a mechanical sealing element comprises a workbench, wherein a working box is fixedly arranged on the upper side of the workbench, a support is fixedly arranged on the upper side of the working box, and a polishing mechanism is arranged on the lower side of the support; a processing table is fixedly arranged at the center of the upper side of the working box, and a plurality of air holes are formed in the upper side of the processing table; piston rods are movably arranged on the left side and the right side of the processing table in a penetrating mode respectively, and one ends, located inside the processing table, of the two piston rods are fixedly connected with pistons movably arranged inside the processing table respectively; the upper side of the working box is also fixedly provided with fixed boxes arranged at the left side and the right side of the processing table, a first gear is movably arranged in each of the two fixed boxes, the center of the first gear is fixedly connected with a transmission rod through a connecting shaft, the transmission rod is provided with two symmetrically arranged slideways, one ends of the two piston rods, which are far away from each other, are respectively penetrated through the side walls of the fixed boxes in a sliding manner and are movably connected with a sliding groove below the transmission rod through a sliding shaft; clamping rods are movably arranged on the side walls of the fixed box in a penetrating mode respectively, one ends, close to each other, of the two clamping rods are connected with clamping plates respectively, and one ends, far away from each other, of the two clamping rods are movably connected with a slide way above the transmission rod through sliding shafts respectively; and the two first gears are also respectively connected with a driving mechanism for driving the first gears to rotate.

As a further scheme of the invention: the driving mechanism comprises a second gear movably arranged in the working box, and the second gear is in transmission connection with the first gear through a chain; and the second gear is connected with a movement mechanism for driving the second gear to rotate.

As a further scheme of the invention: the movement mechanism comprises a slide rail fixedly arranged on the inner bottom surface of the working box, two symmetrically arranged straight-row teeth are arranged above the slide rail, and the lower sides of the two straight-row teeth are respectively fixedly connected with a plurality of first slide blocks which are arranged in the slide rail in a sliding manner through connecting rods; the upper sides of the two first sliding blocks are respectively and movably provided with a third gear which is meshed with the first sliding blocks, and the third gear is connected with the second gear through the same rotating shaft; and the two straight row teeth are connected with a transmission mechanism for driving the straight row teeth to move left and right.

As a further scheme of the invention: the transmission mechanism comprises an electric control telescopic cylinder fixedly installed on the inner wall of the upper side of the working box, the extending tail end of the electric control telescopic cylinder is hinged with two connecting rods, and the two connecting rods are hinged with two ends, close to the straight row teeth, of the connecting rods respectively.

As a further scheme of the invention: the polishing mechanism comprises a hydraulic cylinder fixedly arranged on the lower side of the bracket, and the movable end of the hydraulic cylinder is fixedly connected with a polishing machine; and a dust removal mechanism is arranged outside the polishing machine.

As a further scheme of the invention: the dust removal mechanism comprises a dust hood fixedly sleeved on the hydraulic cylinder, a dust suction pump is fixedly installed on the upper side of the support, a dust suction cavity is connected to the action end of the dust suction pump, and the upper side of the dust suction hood is fixedly connected with the lower side of the dust suction cavity through a telescopic suction pipe; the dust collection box is detachably arranged at the right end of the lower side of the support, and the dust collection cavity is fixedly connected with the dust collection box through a circulating pipe.

As a further scheme of the invention: the inner walls of the upper side and the lower side of the clamping plate are provided with sliding grooves, two second sliding blocks are arranged in the sliding grooves in a sliding mode, a sliding plate is fixedly connected between the two second sliding blocks, a spring is fixedly connected between the sliding plate and the inner wall, close to a workpiece, of one side of the clamping plate, and the clamping rod is fixedly connected with the sliding plate.

Compared with the prior art, the invention has the beneficial effects that:

the polishing device for machining the mechanical sealing element drives the transmission rod to rotate through the first gear, so that the transmission rod drives the clamping rods to move towards the direction close to a machined part, the transmission rod also drives the piston rods to move towards the direction far away from the machined part, the two piston rods respectively drive the two pistons to move towards the directions far away from each other during movement, negative pressure is generated inside the machining table, the bottom of the machined part is tightly sucked by the machining table through the upper side air holes, meanwhile, the two clamping rods drive the clamping plates to tightly clamp the two sides of the machined part, the machined part is fixed, and the side face of the machined part and the ground are fixed, so that the fixing effect of the machined part is better.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a partially enlarged structural view of the fixing mechanism of the present invention.

Fig. 4 is an enlarged view of the internal structure of the splint of the present invention.

In the figure: 1-workbench, 2-workbench, 3-bracket, 4-fixed box, 5-clamp plate, 6-clamp rod, 7-piston rod, 8-processing table, 9-dust suction pump, 10-dust suction cavity, 11-circulating pipe, 12-dust collection box, 13-telescopic suction pipe, 14-hydraulic cylinder, 15-dust suction hood, 16-first gear, 17-chain, 18-second gear, 19-third gear, 20-straight row gear, 21-slide rail, 22-first slide block, 23-electric control telescopic cylinder, 24-connecting rod, 25-transmission rod, 26-piston, 27-spring, 28-slide plate, 29-slide groove, 30-second slide block and 31-polishing machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back) are provided in the embodiment of the present invention, they are only used to explain the relative position relationship between the components and the motion situation in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if the description of "first", "second", etc. is referred to in the present invention, it is used for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in an embodiment of the present invention, a polishing apparatus for machining a mechanical seal includes a workbench 1, a work box 2 is fixedly installed on an upper side of the workbench 1, a support 3 is fixedly installed on an upper side of the work box 2, and a polishing mechanism is installed on a lower side of the support 3; a processing table 8 is fixedly arranged at the center of the upper side of the working box 2, and a plurality of air holes are formed in the upper side of the processing table 8; piston rods 7 are movably arranged on the left side and the right side of the processing table 8 in a penetrating manner respectively, and one ends of the two piston rods 7 positioned in the processing table 8 are fixedly connected with pistons 26 movably arranged in the processing table 8 respectively; the upper side of the working box 2 is also fixedly provided with fixed boxes 4 arranged at the left side and the right side of the processing table 8, a first gear 16 is movably arranged in each of the two fixed boxes 4, the center of the first gear 16 is fixedly connected with a transmission rod 25 through a connecting shaft, the transmission rod 25 is provided with two symmetrically arranged slide ways, one ends of the two piston rods 7, which are far away from each other, are respectively penetrated through the side wall of the fixed box 4 in a sliding manner and are movably connected with a sliding groove below the transmission rod 25 through sliding shafts; clamping rods 6 are movably arranged on the side walls of the fixed box 4 in a penetrating mode respectively, one ends, close to each other, of the two clamping rods 6 are connected with clamping plates 5 respectively, and one ends, far away from each other, of the two clamping rods 6 are movably connected with a slide way above the transmission rod 25 through sliding shafts respectively; the two first gears 16 are further respectively connected with a driving mechanism for driving the first gears 16 to rotate.

Further, the driving mechanism comprises a second gear 18 movably arranged inside the work box 2, and the second gear 18 is in transmission connection with the first gear 16 through a chain 17; the second gear 18 is connected with a motion mechanism for driving the second gear 18 to rotate.

Further, the movement mechanism comprises a slide rail 21 fixedly installed on the bottom surface inside the work box 2, two symmetrical straight-row teeth 20 are arranged above the slide rail 21, and a plurality of first sliding blocks 22 which are slidably arranged in the slide rail 21 are fixedly connected to the lower sides of the two straight-row teeth 20 through connecting rods respectively; third gears 19 meshed with the first sliding blocks 22 are respectively and movably arranged on the upper sides of the two first sliding blocks 22, and the third gears 19 are connected with the second gears 18 through the same rotating shaft; two the straight row of teeth 20 are connected with the drive mechanism that is used for driving the straight row of teeth 20 moves from side to side.

Further, drive mechanism includes the automatically controlled telescoping cylinder 23 of fixed mounting at 2 upside inner walls of work box, the end that stretches out of automatically controlled telescoping cylinder 23 articulates there are two connecting rods 24, two connecting rod 24 respectively with two the one end that straight tooth 20 is close to each other is articulated mutually.

Further, the polishing mechanism comprises a hydraulic cylinder 14 fixedly mounted on the lower side of the bracket 3, and a polishing machine 31 is fixedly connected to the movable end of the hydraulic cylinder 14; and a dust removal mechanism is arranged outside the polishing machine 31.

Further, the dust removing mechanism comprises a dust hood 15 fixedly sleeved on the hydraulic cylinder 14, a dust suction pump 9 is fixedly installed on the upper side of the support 3, the action end of the dust suction pump 9 is connected with a dust suction cavity 10, and the upper side of the dust hood 15 is fixedly connected with the lower side of the dust suction cavity 10 through a telescopic suction pipe 13; the right end of the lower side of the bracket 3 is detachably provided with a dust collection box 12, and the dust collection cavity 10 is fixedly connected with the dust collection box 12 through a circulating pipe 11.

Example 2

Referring to fig. 4, in order to make the polishing apparatus for machining a mechanical seal member of the present invention have a buffering function when fixing a workpiece, this embodiment is further improved based on embodiment 1, and the improvement is: the inner walls of the upper side and the lower side of the clamping plate 5 are provided with sliding grooves 29, two second sliding blocks 30 are arranged in the two sliding grooves 29 in a sliding mode, a sliding plate 28 is fixedly connected between the two second sliding blocks 30, a spring 27 is fixedly connected between the sliding plate 28 and the inner wall of one side, close to a workpiece, of the clamping plate 5, and the clamping rod 6 is fixedly connected with the sliding plate 28.

The working principle of the invention is as follows:

when the polishing device for machining the mechanical sealing element is used, firstly, a workpiece is placed on a machining table 8, the electric control telescopic cylinder 23 is started to drive the extending tail end of the electric control telescopic cylinder 23 to move downwards, so that the electric control telescopic cylinder 23 drives the two straight row teeth 20 to move towards directions away from each other through the connecting rod 24, the two straight row teeth 20 respectively drive the two third gears 19 to rotate in opposite directions, the two third gears 19 respectively drive the second gears 18 connected with the electric control telescopic cylinder, the two second gears 18 respectively drive the first gear 16 to rotate through the chain 17, the first gear 16 drives the transmission rod 25 to rotate, so that the transmission rod 25 drives the clamping rod 6 to move towards a direction close to the workpiece, meanwhile, the transmission rod 25 also drives the piston rod 7 to move towards a direction away from the workpiece, the two piston rods 7 respectively drive the two pistons 26 to move towards directions away from each other during movement, so that negative pressure is generated inside the machining table 8, further, the machining table 8 sucks the bottom of the workpiece through the upper side air hole, and meanwhile, the two clamping plates 6 drive the clamping plates 5 to clamp two sides of the workpiece tightly, so that the workpiece is fixed, and the side surface of the workpiece is better fixed, so that the workpiece can be better fixed;

in the process that the clamping plate 5 moves to the surface of the workpiece until the workpiece is clamped, the spring 27 continuously generates elastic deformation, so that the buffer is brought to the workpiece, and the workpiece can be prevented from being damaged due to overlarge impact force of the clamping plate 5;

after the workpiece is fixed, the hydraulic cylinder 14 is started to drive the polishing machine 31 to descend to the surface of the workpiece, and the workpiece can be polished by starting the polishing machine 31; start dust absorption pump 9, dust absorption pump 9 will be in the sweeps pump suction that polishing in-process produced through suction chamber 10, flexible straw 13 and suction hood 15 is delivered to runner pipe 11 to collect in getting into dust collection box 12 through runner pipe 11, can directly carry out the sweeps clearance, convenient and fast, labour saving and time saving, the practicality is strong.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A polishing device for machining a mechanical sealing element comprises a workbench (1), wherein a workbench (2) is fixedly installed on the upper side of the workbench (1), a support (3) is fixedly installed on the upper side of the workbench (2), and a polishing mechanism is installed on the lower side of the support (3); the device is characterized in that a processing table (8) is fixedly mounted at the center of the upper side of the working box (2), and a plurality of air holes are formed in the upper side of the processing table (8); piston rods (7) are movably arranged on the left side and the right side of the processing table (8) in a penetrating mode respectively, and one ends, located inside the processing table (8), of the two piston rods (7) are fixedly connected with pistons (26) movably arranged inside the processing table (8) respectively; the upper side of the working box (2) is also fixedly provided with fixed boxes (4) arranged at the left side and the right side of the processing table (8), a first gear (16) is movably arranged in each of the two fixed boxes (4), the center of each first gear (16) is fixedly connected with a transmission rod (25) through a connecting shaft, the transmission rod (25) is provided with two symmetrically arranged slideways, one end of each piston rod (7) which is far away from each other is respectively penetrated through the side wall of the fixed box (4) in a sliding manner, and is movably connected with a sliding chute below the transmission rod (25) through a sliding shaft; clamping rods (6) are movably arranged on the side wall of the fixed box (4) in a penetrating mode respectively, one ends, close to each other, of the two clamping rods (6) are connected with clamping plates (5) respectively, and one ends, far away from each other, of the two clamping rods (6) are movably connected with a slide way above the transmission rod (25) through sliding shafts respectively; the two first gears (16) are also respectively connected with a driving mechanism for driving the first gears (16) to rotate.

2. The polishing device for machining mechanical seals according to claim 1, wherein the driving mechanism comprises a second gear (18) movably arranged inside the working box (2), and the second gear (18) is in transmission connection with the first gear (16) through a chain (17); the second gear (18) is connected with a movement mechanism for driving the second gear (18) to rotate.

3. The polishing device for machining the mechanical sealing element according to claim 2, wherein the moving mechanism comprises a slide rail (21) fixedly mounted on the inner bottom surface of the work box (2), two symmetrically arranged straight teeth (20) are arranged above the slide rail (21), and a plurality of first sliding blocks (22) slidably arranged in the slide rail (21) are fixedly connected to the lower sides of the two straight teeth (20) through connecting rods respectively; third gears (19) meshed with the first sliding blocks (22) are movably arranged on the upper sides of the two first sliding blocks (22) respectively, and the third gears (19) are connected with the second gears (18) through the same rotating shaft; two the straight row teeth (20) are connected with a transmission mechanism for driving the straight row teeth (20) to move left and right.

4. The polishing device for machining the mechanical sealing element according to claim 3, wherein the transmission mechanism comprises an electric control telescopic cylinder (23) fixedly mounted on the inner wall of the upper side of the working box (2), the extending tail end of the electric control telescopic cylinder (23) is hinged with two connecting rods (24), and the two connecting rods (24) are respectively hinged with one ends, close to each other, of the two straight-row teeth (20).

5. The polishing device for machining mechanical seals according to claim 1, wherein the polishing mechanism comprises a hydraulic cylinder (14) fixedly mounted on the lower side of the support (3), and a polishing machine (31) is fixedly connected to the movable end of the hydraulic cylinder (14); and a dust removal mechanism is arranged outside the polishing machine (31).

6. The polishing device for machining the mechanical sealing element according to claim 5, wherein the dust removing mechanism comprises a dust hood (15) fixedly sleeved on the hydraulic cylinder (14), a dust suction pump (9) is fixedly mounted on the upper side of the support (3), the action end of the dust suction pump (9) is connected with a dust suction cavity (10), and the upper side of the dust hood (15) is fixedly connected with the lower side of the dust suction cavity (10) through a telescopic suction pipe (13); the dust collection box (12) is detachably mounted at the right end of the lower side of the support (3), and the dust collection cavity (10) is fixedly connected with the dust collection box (12) through a circulating pipe (11).

7. The polishing device for machining the mechanical sealing element according to claim 1, wherein sliding grooves (29) are formed in the upper and lower inner walls of the clamping plate (5), second sliding blocks (30) are slidably arranged in the two sliding grooves (29), a sliding plate (28) is fixedly connected between the two second sliding blocks (30), a spring (27) is fixedly connected between the sliding plate (28) and the inner wall of the clamping plate (5) on the side close to the workpiece, and the clamping rod (6) is fixedly connected with the sliding plate (28).