CN117102976A - Machining and polishing method for working face of ball body of ball valve - Google Patents
Machining and polishing method for working face of ball body of ball valve Download PDFInfo
- Publication number
- CN117102976A CN117102976A CN202311153634.6A CN202311153634A CN117102976A CN 117102976 A CN117102976 A CN 117102976A CN 202311153634 A CN202311153634 A CN 202311153634A CN 117102976 A CN117102976 A CN 117102976A
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- ball valve
- sliding
- ball
- polishing
- clamping
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- 238000005498 polishing Methods 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000003754 machining Methods 0.000 title claims description 13
- 238000000227 grinding Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000001035 drying Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 244000309464 bull Species 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B15/00—Machines or devices designed for grinding seat surfaces; Accessories therefor
- B24B15/04—Machines or devices designed for grinding seat surfaces; Accessories therefor on valve members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/02—Bench grinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention provides a processing and polishing method of a ball valve sphere working surface, which comprises the steps of fixedly preparing, and placing a ball valve sphere on an auxiliary base; the position is determined, so that the axis of the through hole on the ball valve sphere is horizontally arranged; polishing an inner hole, clamping and fixing a ball valve ball body, and polishing a through hole of the ball valve ball body; outer wall is polished, and the outer wall of the ball body of the ball valve is polished. Compared with the prior art, the processing and polishing method for the working face of the ball valve sphere is provided with the fixing preparation step, the position determining step, the inner hole polishing step and the outer wall polishing step, so that after the outer wall of the ball valve sphere is positioned, the through hole of the ball valve sphere can be polished, and after the through hole of the ball valve sphere is positioned, the outer wall of the ball valve sphere can be polished, thereby solving the problem of poor practicality of the processing mode of the ball valve sphere, along with good adaptability and good practicability.
Description
Technical Field
The invention belongs to the technical field of ball valve machining, and particularly relates to a machining and polishing method for a ball working face of a ball valve.
Background
The ball valve, the opening and closing piece (sphere) is driven by the valve rod and rotates around the axis of the ball valve. Can also be used for regulating and controlling fluid, in particular to medium containing fiber, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the flow direction switching of the medium on the pipeline, and simultaneously can close any channel to connect the other two channels. The valve should be installed generally horizontally in the pipeline. The ball valve is divided into: pneumatic ball valve, electric ball valve, manual ball valve. The ball body of the ball valve is an opening and closing piece in the ball valve.
In the prior art, in the production and processing process of the ball valve, the ball valve ball body is fixed and clamped mainly through the clamping tool, and then polished through the polishing tool, but due to the characteristics of the ball valve ball body, after polishing and processing the through hole of the ball valve ball body, the ball valve ball body needs to be taken down, and the outer wall of the ball valve ball body is polished and processed through a new clamping tool again, so that the ball valve ball body is prone to dislocation, displacement and other problems due to repositioning in the process of fixing and clamping again. The dislocation, the condition such as shift that appear when changing centre gripping frock can influence machining precision, and then influence ball valve quality, and adaptability is poor, and the practicality is poor.
Disclosure of Invention
The embodiment of the invention provides a processing and polishing method for a working surface of a ball valve sphere, which aims to solve the problem of poor practicality of a processing mode of the ball valve sphere.
In order to achieve the above purpose, the invention adopts the following technical scheme: the processing and polishing method for the ball body working face of the ball valve comprises the following steps:
fixing, preparing, namely cleaning and drying a ball valve ball to be polished, and placing the ball valve ball on an auxiliary base;
the position is determined, the first clamping and polishing mechanism arranged on the auxiliary base extends into the through hole of the ball valve ball body, the ball valve ball body is supported in the through hole of the ball valve ball body, and the axis of the through hole on the ball valve ball body is horizontally arranged;
polishing an inner hole, namely clamping and fixing the ball valve ball body fixed in the position determining step outside the ball valve ball body through a second clamping and polishing mechanism arranged on the auxiliary base; then the first clamping and polishing mechanism releases the support of the through hole in the ball valve sphere and withdraws from the through hole of the ball valve sphere, and then reenters the through hole of the ball valve sphere to polish the through hole of the ball valve sphere;
and after the outer wall polishing step is finished, the first clamping polishing mechanism continues to support the ball valve ball body through hole and drives the ball valve ball body to synchronously rotate, and then the second clamping polishing mechanism polishes the outer wall of the ball valve ball body.
In one possible implementation manner, the auxiliary base used in the fixing preparation step is provided with a carrying structure for placing a ball valve ball to be polished, and the carrying structure comprises:
the supporting platform is arranged above the auxiliary base, and the top of the supporting platform is provided with an arc-shaped groove for supporting the ball body of the ball valve;
the support telescopic structure is fixedly arranged on the auxiliary base and used for driving the support platform to stretch out and draw back.
In one possible implementation manner, the first clamping and polishing mechanism comprises two first clamping and polishing tools, and the two first clamping and polishing tools are arranged on the auxiliary base at intervals along the horizontal direction and are positioned on two sides of the carrying platform;
each first clamping polishing tool comprises:
the sliding base is horizontally arranged on the auxiliary base in a sliding manner;
the first telescopic structure is arranged on the auxiliary sliding seat and used for driving the sliding base to slide;
the second telescopic structure is vertically arranged on the auxiliary sliding seat;
the connecting seat is arranged above the sliding base and is connected with the sliding base through a second telescopic structure;
the first rotating rod is arranged along the sliding direction of the sliding base, is rotationally connected with the connecting seat, and one end of the first rotating rod extends out towards the direction of the supporting platform;
the first driver is fixedly arranged on the connecting seat and is in power connection with the other end of the first rotating rod;
the first supporting and polishing structure is arranged at the extending end of the first rotating rod and is used for extending into the through hole of the ball valve ball to be polished so as to support the ball valve ball to be polished or polish the through hole of the ball valve ball to be polished;
the auxiliary base is provided with a limiting sliding cavity for sliding of the sliding base.
In one possible implementation, the first support polishing structure comprises:
a sleeve having a barrel cavity; the sleeve is coaxially arranged with the first rotating rod;
the inner cylinder is positioned in the cylinder cavity and is coaxially arranged with the sleeve, an annular cavity is formed between the inner cylinder and the sleeve, and the inner cylinder and the sleeve can be integrally connected;
the sliding ejection blocks are arranged in a plurality, each sliding ejection block is annularly arranged at intervals around the axis of the sleeve, one end of each sliding ejection block is positioned in the annular cavity, the other end of each sliding ejection block extends out after penetrating through the side wall of the sleeve along the radial direction of the sleeve, and the extending end of each sliding ejection block is provided with a polishing end face;
the springs are provided with a plurality of groups, the springs of each group are arranged in one-to-one correspondence with the sliding ejection blocks, each group of springs is positioned in the annular cavity and used for bouncing the corresponding sliding ejection block to have a trend of sliding into the annular cavity;
the air bags are annularly sleeved on the periphery of the inner cylinder and are positioned in the annular cavity, the air bags are provided with air charging and discharging ports, and the air bags are used for pushing the sliding ejection blocks to slide outwards of the annular cavity after being inflated;
the side wall of the sleeve is provided with a plurality of sliding ports which are respectively corresponding to the sliding ejection blocks one by one, and an operation port for exposing the air charging and discharging port of the air bag.
In one possible implementation, the second clamping and polishing mechanism used in the inner bore polishing step includes:
the auxiliary positioning structure is fixedly arranged on the auxiliary base;
the second clamping polishing structure is fixedly arranged on the auxiliary base and is used for clamping and fixing the ball valve ball body to be polished, obtained in the position determining step, together with the auxiliary positioning structure in the inner hole polishing step, and polishing the outer wall of the ball valve ball body in the outer wall polishing step.
In one possible implementation, each of the auxiliary positioning structures includes:
the fixed end of the third telescopic structure is fixedly arranged on the auxiliary base, and the telescopic end of the third telescopic structure extends upwards along the vertical direction;
the auxiliary positioning connecting plate is horizontally arranged and arranged on the telescopic end of the third telescopic structure;
the fixed end of the fourth telescopic structure is fixedly arranged on the auxiliary positioning connecting plate, and the telescopic end of the fourth telescopic structure extends towards the supporting platform along the horizontal direction;
the first jacking disc is arranged at the telescopic end of the fourth telescopic structure.
In one possible implementation, the second clamping and polishing structure comprises;
the arc-shaped sliding seat is arranged on the auxiliary base in an arc-shaped sliding manner, and a first power component in power connection with the auxiliary base is arranged on the arc-shaped sliding seat;
the fifth telescopic structure is vertically arranged on the arc-shaped sliding seat;
the second connecting plate is positioned above the arc-shaped sliding seat and connected with the fifth telescopic structure so as to be driven by the fifth telescopic structure to move up and down;
the sixth telescopic structure is fixedly arranged on the second connecting plate and is provided with a telescopic end which can extend towards the ball body direction of the ball valve to be polished;
the clamping polishing component is arranged on the telescopic end of the sixth telescopic structure and is used for clamping and fixing the ball valve ball to be polished together with the auxiliary positioning structure or polishing the outer wall of the ball valve ball;
the ball grinding device comprises an auxiliary base, wherein a first arc-shaped sliding rail for sliding the arc-shaped sliding seat is arranged on the auxiliary base, and the axis of the first arc-shaped sliding rail is arranged on the support platform in a way of being collinear with the central axis of the ball to be ground in the vertical direction.
In one possible implementation, the clamping polishing component comprises:
the auxiliary arc-shaped seat is fixedly arranged on the telescopic end of the sixth telescopic structure and is provided with an arc-shaped slideway;
the connecting sliding seat is arranged on the arc-shaped slideway in a sliding manner, and a second power component which is in power connection with the auxiliary arc-shaped seat is arranged on the connecting sliding seat;
the second rotating rod is rotationally connected to the connecting sliding seat, the rotating axis is arranged along the radial direction of the arc-shaped slideway, one end of the second rotating rod extends out towards the direction of the supporting platform, and the extending end of the second rotating rod is provided with a polishing disc;
the second driver is arranged on the connecting sliding seat and is in power connection with the other end of the second rotating rod;
the fixed cylinder is coaxially sleeved on the second rotating rod and is fixedly connected with the connecting sliding seat;
the sliding cylinder is sleeved on the second rotating rod, is connected in the fixed cylinder in a sliding manner and is coaxially arranged with the fixed cylinder;
the seventh telescopic structure is arranged in the fixed cylinder, the fixed end of the seventh telescopic structure is fixedly arranged on the fixed cylinder, and the telescopic end of the seventh telescopic structure is connected to the sliding cylinder.
Compared with the prior art, the implementation mode is provided with a fixing preparation step, and the ball valve ball body to be polished after being cleaned and dried can be supported by the auxiliary base; the position determining step is set, the through hole of the ball valve ball body can be aligned through the first clamping polishing mechanism on the auxiliary base, and the through hole of the ball valve ball body is propped open in the through hole of the ball valve ball body and is propped against the inner wall of the through hole, so that the axis of the through hole on the ball valve ball body is horizontally arranged; the inner hole polishing step is arranged, the outside of the ball valve ball body fixed in the position determining step can be clamped and fixed through a second clamping polishing mechanism arranged on the auxiliary base, after the second clamping polishing mechanism clamps and fixes, the first clamping polishing mechanism can be used for removing the support of the through hole in the ball valve ball body and exiting the through hole of the ball valve ball body, and then the ball valve ball body enters the through hole of the ball valve ball body again to polish the through hole of the ball valve ball body; set up outer wall step of polishing, can carry out the butt through first centre gripping grinding machanism to the spheroidal through-hole of ball valve and support after the step of polishing in the internal orifice to drive the ball valve spheroid and rotate in step, rethread second centre gripping grinding machanism polishes the spheroidal outer wall of ball valve, can polish the spheroidal through-hole of ball valve after the spheroidal outer wall location of ball valve, can polish the spheroidal outer wall of ball valve after the spheroidal through-hole location of ball valve, solved the spheroidal problem of ball valve processing mode practicality poor, the adaptability is good, the practicality is good.
Drawings
Fig. 1 is a schematic structural diagram of an auxiliary base, a supporting structure, a first clamping and polishing mechanism and a second clamping and polishing mechanism in a processing and polishing method for a ball working surface of a ball valve according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure shown in FIG. 1 at A;
FIG. 3 is a schematic side view of the schematic side view provided in FIG. 1;
FIG. 4 is a schematic front view of the schematic side view provided in FIG. 1;
fig. 5 is a schematic structural diagram of a connection seat, a first rotating rod and a first driver in the method for processing and polishing a ball working surface of a ball valve according to an embodiment of the present invention;
FIG. 6 is a schematic view of an internal front view structure of a first support polishing structure in a method for polishing a ball working surface of a ball valve according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an internal side view of a first support polishing structure in a method for polishing a ball working surface of a ball valve according to an embodiment of the present invention;
fig. 8 is a schematic diagram of an internal structure of a clamping polishing member in a polishing method for processing a ball working surface of a ball valve according to an embodiment of the present invention;
fig. 9 is a schematic diagram of an internal structure of a second rotating rod, a second driver, a fixed cylinder, a sliding cylinder and a seventh telescopic structure in the method for processing and polishing a ball working surface of a ball valve according to the embodiment of the present invention;
FIG. 10 is a schematic flow chart of a method for machining and polishing a working face of a ball valve according to an embodiment of the present invention;
reference numerals illustrate:
100. an auxiliary base; 110. a limiting sliding cavity; 120. the first arc-shaped sliding rail; 200. a carrying structure; 210. a supporting platform; 220. a supporting telescopic structure; 300. a first clamping and polishing mechanism; 310. a first clamping and polishing tool; 311. a sliding base; 312. a first telescopic structure; 313. a second telescopic structure; 314. a connecting seat; 315. a first rotating lever; 316. a first driver; 317. a first support polishing structure; 3171. a sleeve; 3172. an inner cylinder; 3173. sliding the ejection block; 3174. a spring; 3175. an air bag; 400. the second clamping and polishing mechanism; 410. an auxiliary positioning structure; 411. a third telescoping structure; 412. auxiliary positioning connection plates; 413. a fourth telescopic structure; 414. a first tightening disk; 420. a second clamping and polishing structure; 421. an arc-shaped sliding seat; 422. a fifth telescopic structure; 423. a second connecting plate; 424. a sixth telescopic structure; 425. clamping the polishing component; 4251. an auxiliary arc-shaped seat; 4252. the connecting slide seat; 4253. a second rotating rod; 4254. a second driver; 4255. a fixed cylinder; 4256. a sliding cylinder; 4257. and a seventh telescopic structure.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 10, a method for machining and polishing a ball working surface of a ball valve according to the present invention will now be described. The processing and polishing method for the ball body working face of the ball valve comprises the following steps:
s100: the ball valve ball to be polished is cleaned and dried, and the ball valve ball is placed on the auxiliary base 100.
S200: the position is determined such that the first clamping and polishing mechanism 300 provided on the auxiliary base 100 is inserted into the through hole of the ball valve ball, and the ball valve ball is supported in the through hole of the ball valve ball such that the axis of the through hole on the ball valve ball is horizontally disposed.
S300: the inner hole is polished, and the ball valve ball fixed in the position determining step is clamped and fixed outside the ball valve ball by a second clamping polishing mechanism 400 arranged on the auxiliary base 100. The first clamping and polishing mechanism 300 then releases the support of the through hole in the ball valve ball and withdraws from the through hole of the ball valve ball, and reenters the through hole of the ball valve ball to polish the through hole of the ball valve ball.
S400: after the outer wall polishing and the inner hole polishing steps are completed, the first clamping polishing mechanism 300 continues to support the ball valve ball body through the through hole of the ball valve ball body and drives the ball valve ball body to synchronously rotate, and then the second clamping polishing mechanism 400 is used for polishing the outer wall of the ball valve ball body.
Compared with the prior art, the processing and polishing method for the ball valve sphere working face provided by the embodiment is provided with a fixing preparation step, and the ball valve sphere to be polished after being cleaned and dried can be supported by the auxiliary base 100. The position determining step is set, and through the first clamping polishing mechanism 300 on the auxiliary base 100, the through hole of the ball valve body is aligned, and the through hole of the ball valve body is internally propped open and is propped against the inner wall of the through hole, so that the axis of the through hole on the ball valve body is horizontally arranged. The inner hole polishing step is set, the outer part of the ball valve sphere fixed in the position determining step can be clamped and fixed through the second clamping polishing mechanism 400 arranged on the auxiliary base 100, after the second clamping polishing mechanism 400 is clamped and fixed, the first clamping polishing mechanism 300 can be used for removing the support of the through hole in the ball valve sphere and withdrawing from the through hole of the ball valve sphere, and then the ball valve sphere can be polished by re-entering the through hole of the ball valve sphere. After the inner hole polishing step is finished, the through hole of the ball valve sphere is supported in an abutting mode through the first clamping polishing mechanism 300, the ball valve sphere is driven to synchronously rotate, and the outer wall of the ball valve sphere is polished through the second clamping polishing mechanism 400. Therefore, the device can polish the through hole of the ball valve sphere after positioning the outer wall of the ball valve sphere, can polish the outer wall of the ball valve sphere after positioning the through hole of the ball valve sphere, solves the problem that the processing mode of the ball valve sphere is poor in practicality, and has good adaptability and practicality.
In some embodiments, the auxiliary base 100 may have a structure as shown in fig. 1. Referring to fig. 1, the auxiliary base 100 used in the fixing preparation step has a carrying structure 200 on which a ball valve ball to be polished is placed, and the carrying structure 200 includes: the support platform 210 and the support telescoping structure 220. The supporting platform 210 is disposed above the auxiliary base 100, and an arc-shaped groove for supporting the ball of the ball valve is formed at the top of the supporting platform 210. The supporting and expanding structure 220 is fixedly arranged on the auxiliary base 100 and is used for driving the supporting and expanding platform 210 to expand and contract.
The support platform 210 level sets up in supplementary base 100 top, with supplementary base 100 interval setting for hold up the ball valve spheroid, hold in the palm the fixed end of carrying the extending structure 220 to be fixed firmly on supplementary base 100, hold in the palm the extending structure 220's extending end and upwards stretch out and connect on support platform 210 along vertical direction, support platform 210 and the spheroidal contact surface of ball valve and be equipped with concave arc surface, concave arc surface is used for laminating the spheroidal excircle of valve, can cover on concave arc surface and establish one deck anti-skidding rubber layer for increase the frictional force of holding in the palm between platform 210 and the ball valve spheroid. The supporting telescopic structure 220 is an electric push rod.
In some embodiments, the first clamping polishing mechanism 300 may be configured as shown in fig. 1, 3, 4, and 5. Referring to fig. 1, 3, 4 and 5, the first clamping polishing mechanism 300 includes two first clamping polishing tools 310, and the two first clamping polishing tools 310 are disposed on the auxiliary base 100 at intervals along the horizontal direction and are located at two sides of the carrying platform 210. Each first clamping and polishing tool 310 includes: the sliding base 311, the first telescopic structure 312, the second telescopic structure 313, the connecting base 314, the first rotating rod 315, the first driver 316 and the first supporting grinding structure 317. The slide base 311 is horizontally slidably disposed on the auxiliary base 100. The first telescopic structure 312 is disposed on the auxiliary carriage, and is used for driving the sliding base 311 to slide. The second telescopic structure 313 is vertically arranged on the auxiliary slide. The connection base 314 is disposed above the sliding base 311 and is connected to the sliding base 311 through the second telescopic structure 313. The first rotating rod 315 is disposed along the sliding direction of the sliding base 311 and is rotationally connected to the connecting seat 314, and one end of the first rotating rod 315 extends toward the direction of the supporting platform 210. The first driver 316 is fixedly disposed on the connection base 314 and is in power connection with the other end of the first rotating rod 315. The first support polishing structure 317 is disposed at an extending end of the first rotating rod 315 and is configured to extend into a through hole of a ball valve ball to be polished, so as to support the ball valve ball to be polished, or polish the through hole of the ball valve ball to be polished.
The auxiliary base 100 is provided with a limiting sliding cavity 110 for sliding the sliding base 311.
The limiting sliding cavity 110 can be understood as a sliding seat fixedly arranged on the auxiliary base 100, and a first sliding groove is arranged on the sliding seat along the interval direction of the two first clamping polishing tools 310, and the first sliding groove is the limiting sliding cavity 110. The first telescopic structure 312 can drive the sliding base 311 to slide along the interval direction of the two first clamping polishing tools 310, the fixed end of the second telescopic structure 313 is fixedly arranged on the sliding base 311, and the telescopic end of the second telescopic structure 313 extends upwards along the vertical direction. One end of the first rotating rod 315 is rotatably disposed on the first connecting seat 314, and the other end extends toward the supporting platform 210 along the horizontal direction. The first driver 316 is a servo motor, and the first clamping polishing structure is a detachable structure and is replaced along with the size of the through hole on the ball valve ball body. The first telescopic structure 312 is an electric push rod, and the second telescopic structure 313 is an electric push rod.
In some embodiments, the first support polishing structure 317 may be configured as shown in fig. 1, 6, and 7. Referring to fig. 1, 6, and 7, the first support sanding structure 317 includes: sleeve 3171, inner cylinder 3172, sliding ejection block 3173, spring 3174, and airbag 3175. The sleeve 3171 has a barrel cavity. The sleeve 3171 is disposed coaxially with the first lever 315. The inner cylinder 3172 is disposed in the cylinder cavity and coaxially disposed with the sleeve 3171, an annular cavity is formed between the inner cylinder 3172 and the sleeve 3171, and the inner cylinder 3172 and the sleeve 3171 may be integrally connected. The sliding ejector blocks 3173 are provided in plurality, the sliding ejector blocks 3173 are annularly arranged at intervals around the axis of the sleeve 3171, one end of each sliding ejector block 3173 is located in the annular cavity, the other end of each sliding ejector block 3173 extends out after penetrating through the side wall of the sleeve 3171 along the radial direction of the sleeve 3171, and polishing end faces are arranged on the extending ends of the sliding ejector blocks 3173. The springs 3174 are provided with a plurality of groups, each group of springs 3174 is arranged in one-to-one correspondence with each sliding ejection block 3173, each group of springs 3174 is located in the annular cavity, and the corresponding sliding ejection block 3173 is used for bouncing and sliding towards the inside of the annular cavity. The air bag 3175 is annularly sleeved on the periphery of the inner cylinder 3172 and is located in the annular cavity, the air bag 3175 is provided with an inflation and deflation port, and the air bag 3175 is used for pushing each sliding ejection block 3173 to slide out of the annular cavity after being inflated.
The side wall of the sleeve 3171 is provided with a plurality of sliding openings corresponding to the sliding ejection blocks 3173 one by one, and an operation opening exposing the air filling and discharging opening of the air bag 3175 is formed.
The both ends of sleeve 3171 can be equipped with the turn-ups of turning over inwards along sleeve 3171 radial direction, and sleeve 3171 cover is established on interior section of thick bamboo 3172 to set up with interior section of thick bamboo 3172 interval, enclose between sleeve 3171 and the interior section of thick bamboo 3172 and close and constitute annular location chamber, be equipped with a plurality of slip openings on the sleeve 3171 outer wall, a plurality of slip openings set up along sleeve 3171 axis direction annular interval, and with annular location chamber intercommunication. An auxiliary limiting block is arranged in the sliding notch. The sliding ejection block 3173 may be understood as being disposed in the sliding opening, the sliding ejection block 3173 may have an ejection portion, a connecting rod, and a pushing portion, the ejection portion extends out of the sleeve 3171, the two connecting rods are disposed along a radial direction of the sleeve 3171, one ends of the two connecting rods are connected with the ejection portion, the other ends of the two connecting rods are connected with the pushing portion, the springs 3174 may be understood as being plural, and each spring 3174 is respectively sleeved on the connecting rod correspondingly, so that each sliding ejection block 3173 may keep a tendency to move toward the inner cylinder 3172 along the radial direction of the sleeve 3171. The polishing end face is made of polyurethane. The bladder 3175 may be inflated when the first support sanding structure 317 enters the through hole in the ball valve ball, causing each sliding ejection block 3173 to eject outwardly in the radial direction of the outer sleeve 3171, securing the position of the ball valve ball. When the position of the ball valve ball needs to be unlocked, the air in the air bag 3175 is discharged, and when the through hole of the ball valve ball is polished, the sliding ejection block 3173 is abutted in the through hole through centrifugal force for polishing. The inflation and deflation port of the air bag 3175 is arranged on the side wall of the inner barrel 3172, and the inflation and deflation pump is arranged on the inner barrel 3172, so that the connection relationship with the air bag 3175 can be released after inflation or deflation is completed.
In some embodiments, the second clamping polishing mechanism 400 may be configured as shown in fig. 1, 3, and 4. Referring to fig. 1, 3, and 4, a second clamp polishing mechanism 400 used in the bore polishing step includes: auxiliary positioning structure 410, second clamping and polishing structure 420. The auxiliary positioning structure 410 is fixed on the auxiliary base 100. The second clamping polishing structure 420 is fixedly arranged on the auxiliary base 100 and is used for clamping and fixing the ball valve ball to be polished obtained in the position determining step together with the auxiliary positioning structure 410 in the inner hole polishing step, and polishing the outer wall of the ball valve ball in the outer wall polishing step.
The auxiliary positioning structure 410 can be tightly propped against one side of the outer circle of the ball body of the ball valve fixed in the position determining step. The second clamping and polishing structure 420 and the auxiliary positioning structure 410 can jointly clamp and fix the ball valve ball to be polished obtained in the position determining step in the inner hole polishing step, and polish the outer wall of the ball valve ball in the outer wall polishing step.
In some embodiments, the auxiliary positioning structure 410 may be configured as shown in fig. 1, 3, and 4. Referring to fig. 1, 3, and 4, each auxiliary positioning structure 410 includes: a third telescopic structure 411, an auxiliary positioning connecting plate 412, a fourth telescopic structure 413 and a first jacking disc 414. The fixed end of the third telescopic structure 411 is fixedly arranged on the auxiliary base 100, and the telescopic end of the third telescopic structure 411 extends upwards along the vertical direction. The auxiliary positioning connection plate 412 is horizontally disposed and disposed on the telescopic end of the third telescopic structure 411. The fixed end of the fourth telescopic structure 413 is fixedly arranged on the auxiliary positioning connecting plate 412, and the telescopic end of the fourth telescopic structure 413 extends towards the supporting platform 210 along the horizontal direction. The first propping disc 414 is arranged on the telescopic end of the fourth telescopic structure 413 and is used for propping one side of the excircle of the ball valve sphere.
The third telescopic structure 411 is an electric putter, and the electric putter can drive auxiliary positioning connecting plate 412 and remove along vertical direction, and fourth telescopic structure 413 is electric putter, and electric putter can drive first tight dish 414 of top stretches out towards holding in the palm the platform 210 along the horizontal direction to the tight one side of ball valve spheroidal excircle is pushed up, is equipped with concave arc surface on the outer circle contact surface of first tight dish 414 and ball valve spheroidal, and concave arc surface is used for laminating the spheroidal excircle of valve, can cover on concave arc surface and establish one deck anti-skidding rubber layer for increase the frictional force between first tight dish 414 and the ball valve spheroid.
In some embodiments, the second clamping polishing structure 420 may be configured as shown in fig. 1 and 2. Referring to fig. 1 and 2, the second clamp grinding structure 420 includes: the arc slide 421, the fifth telescopic structure 422, the second connecting plate 423, the sixth telescopic structure 424, and the clamping polishing member 425. The arc slide 421 is disposed on the auxiliary base 100 in an arc sliding manner, and a first power component in power connection with the auxiliary base 100 is disposed on the arc slide 421. The fifth telescopic structure 422 is vertically arranged on the arc-shaped slide 421. The second connecting plate 423 is located above the arc-shaped sliding seat 421 and connected to the fifth telescopic structure 422, so as to be driven by the fifth telescopic structure 422 to move up and down. The sixth telescopic structure 424 is fixedly arranged on the second connecting plate 423 and is provided with a telescopic end which can extend towards the ball direction of the ball valve to be polished. The clamping polishing component 425 is arranged on the telescopic end of the sixth telescopic structure 424 and is used for clamping and fixing the ball valve ball to be polished together with the auxiliary positioning structure 410 or polishing the outer wall of the ball valve ball.
The auxiliary base 100 is provided with a first arc-shaped sliding rail 120 for sliding of the arc-shaped sliding seat 421, and the axis of the first arc-shaped sliding rail 120 is arranged in line with the central axis of the vertical direction of the ball to be polished, which is placed on the supporting platform 210.
The arc slide 421 can be understood as being equipped with the first arc slide rail 120 that supplies arc slide 421 to slide on auxiliary base 100, and arc slide 421 slides and sets up in first arc slide rail 120, can use the axis of holding in the palm loading platform 210 as the centre of a circle and slide on arc slide, and fifth extending structure 422 is electric putter, and electric putter can drive second connecting plate 423 and follow vertical direction and remove, and sixth extending structure 424 is electric putter, and electric putter can drive centre gripping polishing part 425 and stretch out towards the ball valve spheroid direction of waiting to polish. The clamping and polishing member 425 may clamp and fix the ball valve ball to be polished together with the auxiliary positioning structure 410 or polish the outer wall of the ball valve ball. The axis of the first arc-shaped sliding rail 120 can be understood as being arranged in line with the central axis of the vertical direction of the ball valve ball to be polished placed on the supporting platform 210. The first power component may be understood as a first arc-shaped rack provided in the first arc-shaped slide rail 120, and a first driving gear meshed with the first arc-shaped rack provided in the arc-shaped slide 421, where the first driving gear is connected to a power output end of the driving unit. The drive unit is servo motor, and servo motor can drive first drive gear and rotate, and first gear rotates and meshes with first arc rack, can make first arc slide 421 slide along first arc slide rail 120 in first arc slide rail 120, can polish the spheroidal outer wall of ball valve by the multi-angle, avoids appearing polishing incomplete condition.
In some embodiments, the clamping abrasive members 425 may be configured as shown in fig. 2, 8, and 9. Referring to fig. 2, 8, and 9, the clamp grinding member 425 includes: auxiliary arc-shaped seat 4251, connecting slide seat 4252, second rotating rod 4253, second driver 4254, fixed cylinder 4255, sliding cylinder 4256 and seventh telescopic structure 4257. The auxiliary arc-shaped base 4251 is fixedly arranged on the telescopic end of the sixth telescopic structure 424 and is provided with an arc-shaped slideway. The connecting slide seat 4252 is slidably disposed on the arc slide way, and a second power component in power connection with the auxiliary arc seat 4251 is disposed on the connecting slide seat 4252. The second rotating rod 4253 is rotatably connected to the connecting slide seat 4252, and the rotation axis is arranged along the radial direction of the arc-shaped slide way, one end of the second rotating rod 4253 extends towards the direction of the carrying platform 210, and the extending end of the second rotating rod 4253 is provided with a polishing disc. The second driver 4254 is disposed on the connection slider 4252 and is in power connection with the other end of the second rotation lever 4253. The fixed cylinder 4255 is coaxially sleeved on the second rotating rod 4253 and is fixedly connected with the connecting sliding seat 4252. The sliding cylinder 4256 is sleeved on the second rotating rod 4253, is slidably connected in the fixed cylinder 4255, and is coaxially arranged with the fixed cylinder 4255. The seventh telescopic structure 4257 is disposed in the fixed cylinder 4255, the fixed end of the seventh telescopic structure 4257 is fixed on the fixed cylinder 4255, and the telescopic end of the seventh telescopic structure 4257 is connected to the sliding cylinder 4256.
The auxiliary arc-shaped seat 4251 can slide on the arc-shaped slide rail through the arc-shaped slide rail guiding connection sliding seat 4252 arranged on the auxiliary arc-shaped seat 4251, and the position of the arc-shaped slide rail can be understood to be an arc which is arranged by taking the intersection point of the axis of the sleeve 3171 and the axis of the supporting platform 210 as the center of a circle. The connecting slide 4252 may be slidably disposed within the arcuate slide. The second power unit may be understood as a second arc rack disposed in the arc chute, and a second driving gear engaged with the second arc rack disposed in the auxiliary arc seat 4251 and connected to the power output end of the driving unit. The driving unit is a servo motor, the servo motor can drive the second driving gear to rotate, the second gear rotates to be meshed with the second arc-shaped rack, the second arc-shaped sliding seat 421 can slide along the arc-shaped sliding track in the first arc-shaped sliding track 120, the outer wall of the ball valve sphere can be polished at multiple angles, and the condition of incomplete polishing is avoided. The second bull stick 4253 can rotate and connect on connecting slide 4252, and the one end of second bull stick 4253 can stretch out towards holding in the palm the loading platform 210 direction, and the disc of polishing on the stretching out of second bull stick 4253 can understand that the disc of polishing and the spheroidal contact surface of ball valve are equipped with concave arc surface, and concave arc surface is used for laminating the spheroidal excircle of valve, and concave arc surface is polyurethane material. The second driver 4254 is a servo motor, and can drive the second rotating rod 4253 to rotate and polish the outer circle of the ball valve sphere through the polishing disc. The fixed cylinder 4255 may be sleeved on the second rotating rod 4253 and fixedly connected with the connecting sliding seat 4252. The slide cylinder 4256 may be slidably coupled within the fixed cylinder 4255. The seventh telescopic structure 4257 is an electric push rod, and the electric push rod can drive the sliding cylinder 4256 to slide in the fixed cylinder 4255 along the axial direction of the fixed cylinder 4255. The edge of the sliding cylinder 4256, which is in contact with the outer circle of the ball valve sphere, can be covered with an anti-slip rubber layer, so that the friction force between the sliding cylinder 4256 and the ball valve sphere is increased, the sliding cylinder 4256 can be abutted against the outer circle of the ball valve sphere, and the outer circle of the ball valve sphere can be fixed together with the supporting platform 210 and the first tightening disc 414.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The processing and polishing method for the ball body working face of the ball valve is characterized by comprising the following steps of:
fixing, preparing, namely cleaning and drying a ball valve ball to be polished, and placing the ball valve ball on an auxiliary base;
the position is determined, the first clamping and polishing mechanism arranged on the auxiliary base extends into the through hole of the ball valve ball body, the ball valve ball body is supported in the through hole of the ball valve ball body, and the axis of the through hole on the ball valve ball body is horizontally arranged;
polishing an inner hole, namely clamping and fixing the ball valve ball body fixed in the position determining step outside the ball valve ball body through a second clamping and polishing mechanism arranged on the auxiliary base; then the first clamping and polishing mechanism releases the support of the through hole in the ball valve sphere and withdraws from the through hole of the ball valve sphere, and then reenters the through hole of the ball valve sphere to polish the through hole of the ball valve sphere;
and after the outer wall polishing step is finished, the first clamping polishing mechanism continues to support the ball valve ball body through hole and drives the ball valve ball body to synchronously rotate, and then the second clamping polishing mechanism polishes the outer wall of the ball valve ball body.
2. A method of grinding a working surface of a ball valve ball as defined in claim 1, wherein the auxiliary base used in the step of preparing for fixing has a carrying structure for placing the ball valve ball to be ground thereon, the carrying structure comprising:
the supporting platform is arranged above the auxiliary base, and the top of the supporting platform is provided with an arc-shaped groove for supporting the ball body of the ball valve;
the support telescopic structure is fixedly arranged on the auxiliary base and used for driving the support platform to stretch out and draw back.
3. The method for machining and polishing the working surface of the ball valve ball body according to claim 2, wherein the first clamping and polishing mechanism comprises two first clamping and polishing tools which are arranged on the auxiliary base at intervals along the horizontal direction and are positioned on two sides of the carrying platform;
each first clamping polishing tool comprises:
the sliding base is horizontally arranged on the auxiliary base in a sliding manner;
the first telescopic structure is arranged on the auxiliary sliding seat and used for driving the sliding base to slide;
the second telescopic structure is vertically arranged on the auxiliary sliding seat;
the connecting seat is arranged above the sliding base and is connected with the sliding base through a second telescopic structure;
the first rotating rod is arranged along the sliding direction of the sliding base, is rotationally connected with the connecting seat, and one end of the first rotating rod extends out towards the direction of the supporting platform;
the first driver is fixedly arranged on the connecting seat and is in power connection with the other end of the first rotating rod;
the first supporting and polishing structure is arranged at the extending end of the first rotating rod and is used for extending into the through hole of the ball valve ball to be polished so as to support the ball valve ball to be polished or polish the through hole of the ball valve ball to be polished;
the auxiliary base is provided with a limiting sliding cavity for sliding of the sliding base.
4. A method of machining a working surface of a ball valve as defined in claim 3 wherein said first support grinding structure comprises:
a sleeve having a barrel cavity; the sleeve is coaxially arranged with the first rotating rod;
the inner cylinder is positioned in the cylinder cavity and is coaxially arranged with the sleeve, an annular cavity is formed between the inner cylinder and the sleeve, and the inner cylinder and the sleeve can be integrally connected;
the sliding ejection blocks are arranged in a plurality, each sliding ejection block is annularly arranged at intervals around the axis of the sleeve, one end of each sliding ejection block is positioned in the annular cavity, the other end of each sliding ejection block extends out after penetrating through the side wall of the sleeve along the radial direction of the sleeve, and the extending end of each sliding ejection block is provided with a polishing end face;
the springs are provided with a plurality of groups, the springs of each group are arranged in one-to-one correspondence with the sliding ejection blocks, each group of springs is positioned in the annular cavity and used for bouncing the corresponding sliding ejection block to have a trend of sliding into the annular cavity;
the air bags are annularly sleeved on the periphery of the inner cylinder and are positioned in the annular cavity, the air bags are provided with air charging and discharging ports, and the air bags are used for pushing the sliding ejection blocks to slide outwards of the annular cavity after being inflated;
the side wall of the sleeve is provided with a plurality of sliding ports which are respectively corresponding to the sliding ejection blocks one by one, and an operation port for exposing the air charging and discharging port of the air bag.
5. The method of machining and polishing a ball working surface of a ball valve as claimed in claim 2, wherein said second clamping and polishing mechanism used in said inner hole polishing step comprises:
the auxiliary positioning structure is fixedly arranged on the auxiliary base;
the second clamping polishing structure is fixedly arranged on the auxiliary base and is used for clamping and fixing the ball valve ball body to be polished, obtained in the position determining step, together with the auxiliary positioning structure in the inner hole polishing step, and polishing the outer wall of the ball valve ball body in the outer wall polishing step.
6. A method of machining a working surface of a ball valve as in claim 5 wherein each of said auxiliary locating structures comprises:
the fixed end of the third telescopic structure is fixedly arranged on the auxiliary base, and the telescopic end of the third telescopic structure extends upwards along the vertical direction;
the auxiliary positioning connecting plate is horizontally arranged and arranged on the telescopic end of the third telescopic structure;
the fixed end of the fourth telescopic structure is fixedly arranged on the auxiliary positioning connecting plate, and the telescopic end of the fourth telescopic structure extends towards the supporting platform along the horizontal direction;
the first jacking disc is arranged at the telescopic end of the fourth telescopic structure.
7. A method of machining a working surface of a ball valve as defined in claim 6 wherein said second clamping and grinding structure comprises;
the arc-shaped sliding seat is arranged on the auxiliary base in an arc-shaped sliding manner, and a first power component in power connection with the auxiliary base is arranged on the arc-shaped sliding seat;
the fifth telescopic structure is vertically arranged on the arc-shaped sliding seat;
the second connecting plate is positioned above the arc-shaped sliding seat and connected with the fifth telescopic structure so as to be driven by the fifth telescopic structure to move up and down;
the sixth telescopic structure is fixedly arranged on the second connecting plate and is provided with a telescopic end which can extend towards the ball body direction of the ball valve to be polished;
the clamping polishing component is arranged on the telescopic end of the sixth telescopic structure and is used for clamping and fixing the ball valve ball to be polished together with the auxiliary positioning structure or polishing the outer wall of the ball valve ball;
the ball grinding device comprises an auxiliary base, wherein a first arc-shaped sliding rail for sliding the arc-shaped sliding seat is arranged on the auxiliary base, and the axis of the first arc-shaped sliding rail is arranged on the support platform in a way of being collinear with the central axis of the ball to be ground in the vertical direction.
8. A method of machining a working surface of a ball valve as claimed in claim 7, wherein said clamping and grinding means comprises:
the auxiliary arc-shaped seat is fixedly arranged on the telescopic end of the sixth telescopic structure and is provided with an arc-shaped slideway;
the connecting sliding seat is arranged on the arc-shaped slideway in a sliding manner, and a second power component which is in power connection with the auxiliary arc-shaped seat is arranged on the connecting sliding seat;
the second rotating rod is rotationally connected to the connecting sliding seat, the rotating axis is arranged along the radial direction of the arc-shaped slideway, one end of the second rotating rod extends out towards the direction of the supporting platform, and the extending end of the second rotating rod is provided with a polishing disc;
the second driver is arranged on the connecting sliding seat and is in power connection with the other end of the second rotating rod;
the fixed cylinder is coaxially sleeved on the second rotating rod and is fixedly connected with the connecting sliding seat;
the sliding cylinder is sleeved on the second rotating rod, is connected in the fixed cylinder in a sliding manner and is coaxially arranged with the fixed cylinder;
the seventh telescopic structure is arranged in the fixed cylinder, the fixed end of the seventh telescopic structure is fixedly arranged on the fixed cylinder, and the telescopic end of the seventh telescopic structure is connected to the sliding cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311153634.6A CN117102976B (en) | 2023-09-07 | 2023-09-07 | Machining and polishing method for working face of ball body of ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311153634.6A CN117102976B (en) | 2023-09-07 | 2023-09-07 | Machining and polishing method for working face of ball body of ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN117102976A true CN117102976A (en) | 2023-11-24 |
| CN117102976B CN117102976B (en) | 2024-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311153634.6A Active CN117102976B (en) | 2023-09-07 | 2023-09-07 | Machining and polishing method for working face of ball body of ball valve |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5337521A (en) * | 1992-10-27 | 1994-08-16 | Hein-Werner Corporation | Valve grinder |
| CN213197042U (en) * | 2020-09-23 | 2021-05-14 | 天津建阀流体设备有限公司 | Automatic grinding device for hard sealing ball |
| CN215968175U (en) * | 2021-01-05 | 2022-03-08 | 双锐(天津)阀门有限公司 | Valve ball sphere grinding device |
| CN115246086A (en) * | 2022-08-24 | 2022-10-28 | 江苏迪威高压科技股份有限公司 | Polishing device for machining high-pressure pipe fitting and using method thereof |
| CN219521649U (en) * | 2023-03-30 | 2023-08-15 | 沧州鑫圆通不锈钢制品有限公司 | Polishing device for production and processing of stainless steel ball valve element |
-
2023
- 2023-09-07 CN CN202311153634.6A patent/CN117102976B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5337521A (en) * | 1992-10-27 | 1994-08-16 | Hein-Werner Corporation | Valve grinder |
| CN213197042U (en) * | 2020-09-23 | 2021-05-14 | 天津建阀流体设备有限公司 | Automatic grinding device for hard sealing ball |
| CN215968175U (en) * | 2021-01-05 | 2022-03-08 | 双锐(天津)阀门有限公司 | Valve ball sphere grinding device |
| CN115246086A (en) * | 2022-08-24 | 2022-10-28 | 江苏迪威高压科技股份有限公司 | Polishing device for machining high-pressure pipe fitting and using method thereof |
| CN219521649U (en) * | 2023-03-30 | 2023-08-15 | 沧州鑫圆通不锈钢制品有限公司 | Polishing device for production and processing of stainless steel ball valve element |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117102976B (en) | 2024-03-05 |
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