CN115922536A - Ball valve body inner wall polishing equipment - Google Patents

Abstract

The invention provides ball valve body inner wall polishing equipment, which relates to the technical field of polishing and comprises an expanding mechanism and expanding wings, wherein the expanding mechanism comprises a first expanding body and a second expanding body; the feeding assembly is rotatably installed on the base, the driven column is rotatably installed on the base, the feeding column is rotatably installed inside the driven column, and a plurality of groups of locking mechanisms are arranged at the top of the feeding column; the polishing device comprises a base, a plurality of groups of polishing mechanisms, a plurality of expansion wings, a plurality of adjusting shafts, a plurality of expansion wings and a plurality of polishing mechanisms, wherein the support of the base is provided with a clutch mechanism, the expansion mechanisms are slidably mounted on a clutch shaft of the clutch mechanism, the expansion shafts are slidably mounted on the clutch shaft, the adjusting shafts are slidably mounted below the expansion shafts, a connecting rod mechanism is connected between each expansion wing and each expansion shaft and between each adjusting shaft, the polishing mechanisms are slidably mounted on polishing holes of the expansion wings, and the polishing mechanisms on the adjacent expansion wings are arranged in a staggered mode. The invention has the beneficial effects that: the feeding assembly and the limiting mechanism convey the valve body to be in contact with the expansion mechanism, so that the polishing block is in close contact with the inner wall of the valve body, the polishing effect and quality of the inner wall of the valve body are improved, the polishing mechanism and the valve body rotate in opposite directions, and the polishing speed is improved.

Description

Ball valve body inner wall polishing equipment

Technical Field

The invention relates to the technical field of polishing equipment, in particular to ball valve body inner wall polishing equipment.

Background

The closing member of the ball valve is a ball body, and the ball body rotates around the central line of the valve body to open and close the valve. The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, can be closed tightly only by rotating 90 degrees and a small rotating moment, and is most suitable for being used as a switch and a cut-off valve.

The valve body inner wall of ball valve is spherical, can produce the burr after the inner wall processing, is unfavorable for the rotation of case, can influence the leakproofness of ball valve moreover, so need polish the inner wall of ball valve body in the course of working.

The prior art publication number is: the Chinese patent of CN112123179A discloses ball valve body inner wall polishing equipment, which comprises a box body, wherein a motor is arranged in the box body, a gear transmission cavity is arranged in the box body, the motor is in power connection with a motor shaft extending leftwards to the right end wall of the gear transmission cavity, a motor shaft spline is fixedly arranged on the gear transmission cavity of the motor shaft, and a motor shaft sleeve which is matched with the motor shaft spline and can slide leftwards and rightwards is arranged on the motor shaft.

Although the inner wall of the valve body of the ball valve can be polished in the prior art, only one polishing head is used for polishing the inner wall, the polishing is not thorough, the effect is poor, the polishing speed is poor, and the structure is complex, so that the polishing equipment for the inner wall of the valve body of the ball valve is urgently needed.

Disclosure of Invention

The invention aims to provide ball valve body inner wall polishing equipment capable of efficiently polishing the inner wall of a ball valve body.

Aiming at the technical problems, the technical scheme adopted by the invention is as follows: a ball valve body inner wall polishing device comprises an expansion mechanism and expansion wings; the polishing machine also comprises a feeding mechanism and a polishing mechanism, wherein the feeding mechanism comprises a base and a feeding assembly, the feeding assembly is rotatably installed on the base and comprises a driven column and a feeding column, the driven column is rotatably installed on the base, the feeding column is slidably and rotatably installed inside the driven column, and a plurality of groups of locking mechanisms are arranged at the top of the feeding column; the polishing device comprises a base, a plurality of groups of polishing mechanisms and a plurality of groups of polishing mechanisms, wherein the support of the base is provided with a clutch mechanism, the expansion mechanisms are slidably mounted on a clutch shaft of the clutch mechanism, each expansion mechanism comprises an expansion shaft and an adjusting shaft, the expansion shafts are slidably and rotatably mounted on the clutch shaft, the adjusting shafts are slidably mounted below the expansion shafts, a connecting rod mechanism is connected between each expansion wing and each expansion shaft and between each adjusting shaft, the polishing mechanisms are slidably mounted on polishing holes of the expansion wings, and the polishing mechanisms on the adjacent expansion wings are arranged in a staggered mode.

Further, be provided with multiunit stop gear between driven post and the base, driven toe portion is provided with a plurality of spacing holes, and a spacing hole corresponds a set of stop gear, stop gear includes spacing ball, limiting spring, and limiting ball below fixed mounting has the gag lever post, and gag lever post slidable mounting is on the base, and limiting spring sets up between spacing ball and base, and limiting spring slidable mounting is on the gag lever post, and spacing ball and spacing hole contact cooperate. When the rotation friction force borne by the driven column is smaller than the elastic force of the limiting spring, the limiting spring is in a static state, the limiting ball is in contact with the limiting hole, and the driven column is in a static state; when the rotation friction force of the driven column is larger than the elastic force of the limiting spring, the limiting spring is compressed, the limiting ball is disconnected from the limiting hole, and the driven column starts to rotate.

Further, the feeding assembly further comprises a driving column, the driving column is rotatably installed on the base, the feeding column is slidably installed on the driving column, a sliding column is arranged on the feeding column, a spirally-rising arc rail is arranged on the driven column, and the sliding column is slidably installed on the arc rail. The driving column drives the feeding column to rotate when rotating, the feeding column drives the sliding column to slide on the arc rail of the driven column when rotating, and the feeding column is driven to slide on the driving column under the action of the inclined plane of the arc rail, so that the object placing table above the feeding column is driven to move upwards, and meanwhile, the feeding column rotates.

Further, material loading post top fixed mounting has puts the thing platform, and locking mechanical system is even to be set up on putting the thing platform, and locking mechanical system includes locking piece, locking spring, and locking piece below fixed mounting has the locking axle, and locking axle slidable mounting puts the thing bench, and locking spring sets up between locking piece and putting the thing platform, and locking spring slidable mounting puts the thing bench, puts the fixed centering platform that is provided with on the thing bench. With the valve body cover at centering bench, valve body seat extrusion locking mechanical system, the compression of locking spring, when the valve body with put the thing platform between take place relative rotation, partly locking block slides to the bolt hole of valve body seat inside, the initial position is resumeed to the locking spring, and is fixed with the valve body, drives the valve body and rotates when this back material loading post rotates.

Further, clutching mechanism includes initiative tooth post, driven tooth post, and the separation and reunion axle rotates to be installed on the support, and initiative tooth post fixed mounting is on the separation and reunion axle, and driven tooth post slidable mounting is provided with reset spring between driven tooth post and the main tooth post on the separation and reunion axle, and reset spring slidable mounting is outside at initiative tooth post and driven tooth post, and driven tooth post and the cooperation of initiative tooth post contact. When the reset spring is in an extension state, the driven tooth column is not in contact with the driving tooth column, and the driven tooth column does not rotate; when the reset spring is in a compressed state, the driving tooth column is in contact with the driven tooth column, and the driving tooth column drives the driven tooth column to rotate when rotating.

Furthermore, a plurality of pairs of extension pins are arranged at two ends of the extension shaft, the extension pins correspond to the set of extension wings, the top of the extension shaft slides and rotates to be installed below the clutch shaft, the top of the extension shaft and the driven tooth column are fixedly installed, a plurality of adjusting pins are arranged on the adjusting shaft, one adjusting pin corresponds to the set of extension wings, and the bottom of the adjusting shaft is fixedly installed with the polishing column. When the driven toothed column rotates, the expansion shaft is driven to rotate; when the driven tooth column does not rotate, the expansion shaft does not rotate.

Further, link mechanism is total the multiunit, and a set of link mechanism corresponds a set of extension wing, link mechanism includes two pendulum rods, transfer line, be provided with two fixed pins, drive pin on the extension wing, the pendulum rod is connected respectively between fixed pin and the extension pin on every group extension wing, and the transfer line is connected between drive pin and the regulation pin on every group extension wing. When the polishing column is contacted with the bottom of the valve body, the object placing table on the feeding column drives the valve body to continue moving upwards, the valve body pushes the polishing column to drive the adjusting shaft to move upwards, the adjusting shaft slides in the extension shaft, the swing rods and the transmission rods of the multiple groups of link mechanisms swing, and the link mechanisms push the extension wings to extend outwards.

Furthermore, polishing mechanism includes polishing piece, polishing spring, and fixed mounting has the polishing axle on the polishing piece, and polishing axle slidable mounting is on the polishing hole of extension wing, and polishing spring sets up between polishing piece and extension wing, and polishing spring slidable mounting is on polishing axle. When the expansion wings expand outwards, the polishing mechanism is driven to move towards the inner wall of the valve body, the valve body pushes the polishing columns to move upwards continuously until the polishing blocks on each group of expansion wings are completely attached to the inner wall of the valve body, the valve body moves upwards continuously, the expansion shaft is pushed to move upwards, the reset spring is compressed until the driven tooth columns are in contact fit with the driving tooth columns, the driving tooth columns drive the expansion shafts to rotate through the driven tooth columns, and the polishing mechanisms on the expansion wings are driven to rotate through the connecting rod mechanism to polish the inner wall of the valve body; after the driven tooth post is contacted with the driving tooth post, the expansion shaft stops moving upwards, and the driven tooth post stops moving upwards.

Furthermore, a polishing hole is formed between adjacent polishing mechanisms on each group of the extension wings, and the rotation direction of the driven column is opposite to that of the extension shaft.

Compared with the prior art, the invention has the beneficial effects that: (1) The polishing device is provided with the feeding assembly, the feeding assembly is matched with the limiting mechanism in an auxiliary mode, the valve body is conveyed to be in contact with the expanding mechanism, and the polishing mechanism can polish conveniently; (2) The polishing device is provided with the clutch mechanism, the clutch mechanism assists the expansion mechanism, and the polishing mechanism is driven by the connecting rod mechanism to polish the inner wall of the valve body, so that the expansion mechanism is prevented from rotating all the time and causing injury to workers; (3) The polishing device is provided with a plurality of groups of polishing mechanisms, and under the expansion action of the expansion wings, the polishing blocks on the polishing mechanisms are in close contact with the inner wall of the valve body, so that the polishing effect and quality of the inner wall of the valve body are improved; (4) The expansion mechanism and the feeding assembly are matched in an auxiliary mode, and under the limiting effect of the limiting mechanism, after the feeding assembly finishes feeding, the rotating direction of the feeding assembly is opposite to that of the expansion mechanism, so that the rotating directions of the polishing mechanism and the valve body are opposite, and the polishing speed is increased.

Drawings

FIG. 1 is a schematic illustration of the present invention in operation.

Fig. 2 is a front view of the overall structure of the present invention.

Fig. 3 is a left side view of the overall structure of the present invention.

Fig. 4 isbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 2.

Fig. 5 is a cross-sectional view taken along the line B-B in fig. 3.

Fig. 6 is a partially enlarged view of a portion a in fig. 2.

Fig. 7 is a partially enlarged view of a portion B in fig. 2.

Fig. 8 is a partially enlarged view of a portion C in fig. 4.

Fig. 9 is a partially enlarged view of a portion D in fig. 4.

Fig. 10 is a partially enlarged view of a portion E in fig. 5.

Reference numerals: 11-a base; 12-a scaffold; 13-a feeding assembly; 14-a feeding motor; 131-driven column; 132-a loading column; 133-active pillars; 1321-shelf; 1322-a slide column; 1311-arc rail; 13211-centering table; 21-a limit ball; 22-a limiting rod; 23-a limit spring; 31-polishing the motor; 32-active tooth column; 33-driven tooth column; 34-a clutch shaft; 35-a return spring; 41-expansion axis; 42-an adjustment shaft; 43-polishing column; 411-extension pin; 421-an adjustment pin; 5-an expansion wing; 51-a securing pin; 52-a drive pin; 53-polishing holes; 61-a polishing block; 62-polishing shaft; 63-polishing the spring; 71-a swing rod; 72-a transmission rod; 81-a locking block; 82-locking the shaft; 83-locking spring.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The embodiment is as follows: the ball valve body inner wall polishing device shown in fig. 1-10 comprises an expanding mechanism and expanding wings 5; the polishing machine further comprises a feeding mechanism and a polishing mechanism, wherein the feeding mechanism comprises a base 11 and a feeding assembly 13, the feeding assembly 13 is rotatably installed on the base 11, the feeding assembly 13 comprises a driven column 131 and a feeding column 132, the driven column 131 is rotatably installed on the base 11, the feeding column 132 is slidably and rotatably installed inside the driven column 131, and a plurality of groups of locking mechanisms are arranged at the top of the feeding column 132; the support 12 of the base 11 is provided with a clutch mechanism, the expansion mechanism is slidably mounted on a clutch shaft 34 of the clutch mechanism, the expansion mechanism comprises an expansion shaft 41 and an adjusting shaft 42, the expansion shaft 41 is slidably and rotatably mounted on the clutch shaft 34, the adjusting shaft 42 is slidably mounted below the expansion shaft 41, a connecting rod mechanism is connected between the expansion wings 5 and the expansion shaft 41 and between the expansion wings 42, a plurality of groups of polishing mechanisms are slidably mounted on polishing holes 53 of the expansion wings 5, and the polishing mechanisms on the adjacent expansion wings 5 are arranged in a staggered mode.

As shown in fig. 1, 3, 6, and 10, the feeding mechanism includes a base 11, a support 12, a feeding assembly 13, and a feeding motor 14, the support 12 is fixedly mounted on the base 11, the feeding assembly 13 is rotatably mounted on the base 11, the feeding assembly 13 includes a driven post 131, a feeding post 132, and a driving post 133, the driving post 133 is rotatably mounted on the base 11, the feeding post 132 is slidably mounted on the driving post 133, the driving shaft 133 is a key shaft, a sliding slot matched with the key is formed in the feeding post 132, the feeding motor 14 is fixedly mounted at the bottom of the base 11, the driving post 133 is fixedly mounted with an output shaft of the feeding motor 14, the feeding motor 14 drives the driving post 133 to rotate, and the driving post 133 drives the feeding post 132 to rotate when the driving post 133 rotates; the driven column 131 is rotatably installed on the base 11, the feeding column 132 is slidably and rotatably installed inside the driven column 131, the feeding column 132 is provided with a storage table 1321 and a sliding column 1322, the driven column 131 is provided with an arc rail 1311, and the sliding column 1322 is slidably installed on the arc rail 1311; when the feeding column 132 rotates, the sliding column 1322 is driven to slide on the arc rail 1311 of the driven column 131, and under the action of the inclined surface of the arc rail 1311, the feeding column 132 is driven to slide on the driving column 133, so that the object placing table 1321 above the feeding column 132 is driven to move upwards, and meanwhile, the feeding column 132 rotates; the placement stage 1321 is provided with a centering stage 13211.

As shown in fig. 2 and 6, the limiting mechanisms have multiple groups, the multiple groups of limiting mechanisms are uniformly arranged on the base 11, each limiting mechanism comprises a limiting ball 21, a limiting rod 22 and a limiting spring 23, a plurality of limiting holes are formed in the bottom of the driven column 131, one limiting hole corresponds to one group of limiting mechanisms, the limiting rods 22 are fixedly arranged below the limiting balls 21, the limiting rods 22 are slidably arranged on the base 11, the limiting springs 23 are arranged between the limiting balls 21 and the base 11, the limiting springs 23 are slidably arranged on the limiting rods 22, and the limiting balls 21 are in contact fit with the limiting holes; when the rotation friction force received by the driven column 131 is smaller than the elastic force of the limiting spring 23, the limiting spring 23 is in a static state, the limiting ball 21 is in contact with the limiting hole, and the driven column 131 is in a static state; when the rotational friction force received by the driven column 131 is greater than the elastic force of the limit spring 23, the limit spring 23 is compressed, the limit ball 21 is disconnected from the limit hole, and the driven column 131 starts to rotate.

As shown in fig. 1, 5 and 10, the locking mechanism has multiple sets, the multiple sets of locking mechanisms are uniformly arranged on the object placing table 1321, the locking mechanism comprises a locking block 81, a locking shaft 82 and a locking spring 83, the locking shaft 82 is fixedly arranged below the locking block 81, the locking shaft 82 is slidably arranged on the object placing table 1321, the locking spring 83 is arranged between the locking block 81 and the object placing table 1321, the locking spring 83 is slidably arranged on the object placing table 1321, and a centering table 13211 is fixedly arranged on the object placing table 1321; sleeving the valve body on the centering table 13211, extruding the locking mechanism by the valve body seat, compressing the locking spring 83, and synchronously rotating the valve body and the feeding column 132 when the valve body is not subjected to external force; when the valve body and the object placing table 1321 rotate relatively, a part of the locking block 81 slides to the inside of the bolt hole of the valve body seat, the locking spring 83 restores to the initial position to fix the valve body, and the feeding column 132 drives the valve body to rotate synchronously when rotating.

As shown in fig. 1, 2, 7 and 8, the clutch mechanism includes a polishing motor 31, a driving tooth column 32, a driven tooth column 33, a clutch shaft 34 and a return spring 35, the polishing motor 31 is fixedly mounted on the bracket 12, the clutch shaft 34 is rotatably mounted on the bracket 12, the clutch shaft 34 is fixedly mounted with an output shaft of the polishing motor 31, and the polishing motor 31 drives the clutch shaft 34 to rotate; the driving gear column 32 is fixedly arranged on the clutch shaft 34, and the clutch shaft 34 drives the driving gear column 32 to rotate when rotating; the driven tooth column 33 is slidably mounted on the clutch shaft 34, the return spring 35 is arranged between the driving tooth column 32 and the driven tooth column 33, the return spring 35 is slidably mounted outside the driving tooth column 32 and the driven tooth column 33, and the driven tooth column 33 is in contact fit with the driving tooth column 32; when the return spring 35 is in an extension state, the driven toothed column 33 is not contacted with the driving toothed column 32, and the driven toothed column 33 does not rotate; when the return spring 35 is in a compressed state, the driving toothed column 32 is in contact with the driven toothed column 33, and the driving toothed column 32 drives the driven toothed column 33 to rotate when rotating.

As shown in fig. 2, 4, 5, 7, 8 and 9, the expanding mechanism includes an expanding shaft 41, an adjusting shaft 42 and a polishing column 43, the expanding shaft 41 is slidably and rotatably mounted below the clutch shaft 34, the top of the expanding shaft 41 is fixedly mounted with the driven tooth column 33, and the driven tooth column 33 drives the expanding shaft 41 to rotate when rotating; the extension shaft 41 both ends are provided with many pairs of extension round pins 411, extension wing 5 is total multiunit, a pair of extension round pin 411 corresponds a set of extension wing 5, regulating shaft 42 slidable mounting is in extension shaft 41 below, be provided with a plurality of regulating pins 421 on the regulating shaft 42, a regulating pin 421 corresponds a set of extension wing 5, be provided with two fixed pins 51 and driving pin 52 on the extension wing 5, polishing post 43 fixed mounting is in the regulating shaft 42 bottom, extension shaft 41 drives the regulating shaft 42 when rotating and rotates, regulating shaft 42 drives polishing post 43 and rotates.

As shown in fig. 2, 4, 5, 7, 8, and 9, there are multiple sets of link mechanisms, one set of link mechanisms corresponds to one set of extending wings 5, and the link mechanisms includes two swing links 71 and a transmission rod 72, first ends of the two swing links 71 are respectively rotatably mounted with a pair of extending pins 411, second ends of the two swing links 71 are respectively rotatably mounted on two fixing pins 51 of the extending wings 5, first ends of the transmission rod 72 are rotatably mounted on an adjusting pin 421, and second ends of the transmission rod 72 are rotatably mounted on a transmission pin 52; when the polishing column 43 contacts with the bottom of the valve body, the object placing table 1321 on the feeding column 132 drives the valve body to continue moving upwards, the valve body pushes the polishing column 43 to drive the adjusting shaft 42 to move upwards, the adjusting shaft 42 slides in the expanding shaft 41, the swing rods 71 and the transmission rods 72 of the multiple groups of link mechanisms swing, and the link mechanisms push the expanding wings 5 to expand outwards.

As shown in fig. 9, the extending wings 5 are provided with a plurality of polishing holes 53, one polishing hole 53 is formed between adjacent polishing mechanisms on each group of extending wings 5, and the polishing mechanisms on two adjacent groups of extending wings 5 are arranged in a staggered manner, so that when the extending wings 5 rotate, the polishing mechanisms polish the inner wall of the valve body completely.

As shown in fig. 4, 5, 8, and 9, the polishing mechanism includes a polishing block 61, a polishing shaft 62, and a polishing spring 63, the polishing block 61 is fixedly mounted on the polishing shaft 62, the polishing shaft 62 is slidably mounted on the polishing hole 53 of the extending wing 5, the polishing spring 63 is disposed between the polishing block 61 and the extending wing 5, the polishing spring 63 is slidably mounted on the polishing shaft 62, when the extending wing 5 extends outward, the polishing mechanism is driven to move toward the inner wall of the valve body, the valve body pushes the polishing column 43 to move upward until the polishing block 61 on each extending wing 5 completely fits the inner wall of the valve body, the valve body continues to move upward, the extending shaft 41 is pushed to move upward, the return spring 35 compresses until the driven tooth column 33 contacts and cooperates with the driving tooth column 32, the driving tooth column 32 drives the extending shaft 41 to rotate through the driven tooth column 33, and drives the polishing mechanism on the extending wing 5 to rotate through the link mechanism, so as to polish the inner wall of the valve body; when the driven tooth post 33 comes into contact with the driving tooth post 32, the upward movement of the expanding shaft 41 is stopped, and the upward movement of the driven tooth post 33 is stopped.

The driven column 131 rotates in the opposite direction to the extension shaft 41.

The working principle is as follows: the valve body is sleeved on the centering table 13211, the valve body seat extrudes the locking mechanism, the locking spring 83 is compressed, the feeding motor 14 and the polishing motor 31 are started, the feeding motor 14 drives the driving column 133 to rotate, the driving column 133 drives the feeding column 132 to rotate when rotating, the feeding column 132 drives the sliding column 1322 to slide on the arc rail 1311 of the driven column 131 when rotating, the feeding column 132 is driven to slide on the driving column 133 under the inclined surface action of the arc rail 1311, so that the object placing table 1321 above the feeding column 132 is driven to move upwards, meanwhile, the feeding column 132 rotates, the valve body is free of external force, and the valve body and the feeding column 132 rotate synchronously.

In the process, the rotation friction force borne by the driven column 131 is smaller than the elastic force of the limiting spring 23, the limiting spring 23 is in a static state, the limiting ball 21 is in contact with the limiting hole, and the driven column 131 is in a static state; polishing motor 31 drives separation and reunion axle 34 and rotates, and separation and reunion axle 34 drives initiative tooth post 32 and rotates, and reset spring 35 is in the extension state, and driven tooth post 33 is in the non-contact state with initiative tooth post 32, and driven tooth post 33 does not rotate.

The feeding column 132 drives the valve body to move upwards, the polishing column 43 enters the interior of the valve body, when the polishing column 43 contacts the bottom of the valve body, the object placing table 1321 on the feeding column 132 drives the valve body to move upwards continuously, the valve body pushes the polishing column 43 to drive the adjusting shaft 42 to move upwards, the adjusting shaft 42 slides in the extension shaft 41, the swing rods 71 and the transmission rods 72 of the multiple groups of connecting rod mechanisms swing, the connecting rod mechanisms push the extension wings 5 to extend outwards, when the extension wings 5 extend outwards, the polishing mechanisms are driven to move towards the inner wall of the valve body, and the valve body pushes the polishing column 43 to move upwards continuously until the polishing blocks 61 on each group of extension wings 5 completely fit the inner wall of the valve body.

In the process, the friction force between the polishing column 43 and the valve body is increased, the polishing column 43 does not rotate, the feeding column 132 drives the valve body to rotate, so that the valve body and the object placing table 1321 rotate relatively, a part of the locking block 81 slides to the inside of the bolt hole of the valve body seat, the locking spring 83 restores to the initial position to fix the valve body, and the feeding column 132 drives the valve body to rotate synchronously when rotating.

After the polishing blocks 61 on each set of expansion wings 5 completely attach to the inner wall of the valve body, the feeding column 132 drives the valve body to continuously move upwards to push the expansion shaft 41 to move upwards, the expansion shaft 41 drives the driven tooth column 33 to move towards the driving tooth column 32, the return spring 35 compresses until the driven tooth column 33 is in contact fit with the driving tooth column 32, the driving tooth column 32 drives the expansion shaft 41 to rotate through the driven tooth column 33, the expansion shaft 41 drives the polishing mechanism on the expansion wings 5 to rotate through the link mechanism, and the expansion shaft 41 drives the polishing column 43 to rotate through the adjusting shaft 42.

After the driven gear column 33 is contacted with the driving gear column 32, the expansion shaft 41 stops moving upwards, the driven gear column 33 stops moving upwards, the valve body on the feeding column 132 stops moving upwards, the driving column 133 drives the feeding column 132 to continue rotating, the rotating friction force on the driven column 131 is increased, until the rotating friction force on the driven column 131 is greater than the elastic force of the limiting spring 23, the limiting spring 23 is compressed, the limiting ball 21 is disconnected from the limiting hole, and the driven column 131 starts rotating.

Because the rotation direction of the driven column 131 is opposite to the rotation direction of the extension shaft 41, the rotation direction of the valve body is opposite to the rotation direction of the polishing mechanism, the polishing column 43 polishes the bottom of the inner wall of the valve body, and the polishing mechanism polishes the inner wall of the valve body, so that the inner wall of the valve body is polished completely and quickly.

After polishing, the feeding motor 14 rotates reversely to drive the driving column 133 to rotate reversely, the feeding column 132 drives the valve body to rotate reversely, meanwhile, under the action of the arc rail 1311 on the driven column 131, the feeding column 132 drives the valve body to move downwards, meanwhile, the return spring 35 extends, the driven tooth column 33 and the extension shaft 41 move downwards, the driven tooth column 33 is disconnected from the driving tooth column 32, the driven tooth column 33 stops rotating, the extension shaft 41 and the adjusting shaft 42 stop rotating, and the polishing column 43 stops rotating.

Meanwhile, the rotation friction force applied to the driven column 131 is smaller than the elastic force of the limiting spring 23, the limiting spring 23 extends, the limiting ball 21 contacts with the limiting hole, and the driven column 131 does not rotate any more.

After the reset spring 35 recovers the initial position, the feeding column 132 drives the valve body to continue moving downwards, under the action of the gravity of the adjusting shaft 42 and the polishing column 43, the swing rod 71 and the transmission rod 72 swing, the expansion wing 5 moves towards the direction far away from the inner wall of the valve body, the polishing spring 63 extends, the polishing block 61 is disconnected from contacting the inner wall of the valve body until the polishing column 43 is disconnected from contacting the inner wall of the valve body, and the expansion mechanism, the expansion wing 5, the link mechanism and the polishing mechanism recover the initial position.

The sliding post 1322 on the feeding post 132 slides to the bottom of the arc rail 1311, the feeding motor 14 is turned off, and the polished valve body is taken down for the next polishing.

The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.

Claims (9)

1. A ball valve body inner wall polishing device comprises an expanding mechanism and expanding wings (5); the method is characterized in that: the polishing machine is characterized by further comprising a feeding mechanism and a polishing mechanism, wherein the feeding mechanism comprises a base (11) and a feeding assembly (13), the feeding assembly (13) is rotatably installed on the base (11), the feeding assembly (13) comprises a driven column (131) and a feeding column (132), the driven column (131) is rotatably installed on the base (11), the feeding column (132) is slidably and rotatably installed inside the driven column (131), and a plurality of groups of locking mechanisms are arranged at the top of the feeding column (132); be provided with clutching mechanism on support (12) of base (11), extension mechanism slidable mounting is on clutching shaft (34) of clutching mechanism, extension mechanism is including extension axle (41), regulating spindle (42), and extension axle (41) slide and rotate and install on clutching shaft (34), and regulating spindle (42) slidable mounting is in extension axle (41) below, is connected with link mechanism between extension wing (5) and extension axle (41), regulating spindle (42), and multiunit polishing mechanism slidable mounting is on polishing hole (53) of extension wing (5), polishing mechanism staggered arrangement on the adjacent extension wing (5).

2. A ball valve body inner wall polishing apparatus according to claim 1, wherein: be provided with multiunit stop gear between driven post (131) and base (11), driven post (131) bottom is provided with a plurality of spacing holes, and a spacing hole corresponds a set of stop gear, stop gear includes spacing ball (21), spacing spring (23), and spacing ball (21) below fixed mounting has gag lever post (22), and gag lever post (22) slidable mounting is on base (11), and spacing spring (23) set up between spacing ball (21) and base (11), and spacing spring (23) slidable mounting is on gag lever post (22), spacing ball (21) and spacing hole contact cooperation.

3. A ball valve body inner wall polishing apparatus according to claim 1, wherein: the feeding assembly (13) further comprises a driving column (133), the driving column (133) is rotatably installed on the base (11), the feeding column (132) is slidably installed on the driving column (133), a sliding column (1322) is arranged on the feeding column (132), a spirally-rising arc rail (1311) is arranged on the driven column (131), and the sliding column (1322) is slidably installed on the arc rail (1311).

4. A ball valve body inner wall polishing apparatus according to claim 1, wherein: the material loading column (132) top fixed mounting has puts thing platform (1321), locking mechanical system is even to be set up on putting thing platform (1321), locking mechanical system includes locking piece (81), locking spring (83), locking piece (81) below fixed mounting has locking axle (82), locking axle (82) slidable mounting is on putting thing platform (1321), locking spring (83) set up between locking piece (81) and putting thing platform (1321), locking spring (83) slidable mounting is on putting thing platform (1321), it is fixed on thing platform (1321) to be provided with centering platform (13211).

5. A ball valve body inner wall polishing apparatus according to claim 1, wherein: clutch mechanism includes initiative dentition (32), driven dentition (33), separation and reunion axle (34) are rotated and are installed on support (12), initiative dentition (32) fixed mounting is on separation and reunion axle (34), driven dentition (33) slidable mounting is on separation and reunion axle (34), be provided with reset spring (35) between driven dentition (33) and initiative dentition (32), reset spring (35) slidable mounting is outside at initiative dentition (32) and driven dentition (33), driven dentition (33) and initiative dentition (32) contact cooperation.

6. A ball valve body inner wall polishing device according to claim 5, wherein: expansion axle (41) both ends are provided with many pairs of expansion round pins (411), and a pair of expansion round pin (411) correspond a set of extension wing (5), and the slip of expansion axle (41) top is rotated and is installed in separation and reunion axle (34) below, and expansion axle (41) top and driven tooth post (33) fixed mounting are provided with a plurality of regulation round pins (421) on regulation axle (42), and one regulation round pin (421) correspond a set of extension wing (5), and regulation axle (42) bottom fixed mounting has polishing post (43).

7. A ball valve body inner wall polishing device according to claim 5, wherein: the total multiunit of link mechanism, a set of link mechanism corresponds a set of extension wing (5), link mechanism includes two pendulum rods (71), transfer line (72), be provided with two fixed pin (51), driving pin (52) on extension wing (5), between fixed pin (51) and extension pin (411) on every group extension wing (5) are connected respectively in pendulum rod (71), and transfer line (72) are connected between driving pin (52) and adjusting pin (421) on every group extension wing (5).

8. A ball valve body inner wall polishing apparatus according to claim 1, wherein: the polishing mechanism comprises a polishing block (61) and a polishing spring (63), a polishing shaft (62) is fixedly mounted on the polishing block (61), the polishing shaft (62) is slidably mounted on a polishing hole (53) of the extension wing (5), the polishing spring (63) is arranged between the polishing block (61) and the extension wing (5), and the polishing spring (63) is slidably mounted on the polishing shaft (62).

9. A ball valve body inner wall polishing apparatus according to claim 1, wherein: and a polishing hole (53) is formed between adjacent polishing mechanisms on each group of the extending wings (5), and the rotating direction of the driven column (131) is opposite to that of the extending shaft (41).

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