CN113370064A - Butterfly valve plate manufacturing and processing machine and processing technology - Google Patents
Butterfly valve plate manufacturing and processing machine and processing technology Download PDFInfo
- Publication number
- CN113370064A CN113370064A CN202110671402.4A CN202110671402A CN113370064A CN 113370064 A CN113370064 A CN 113370064A CN 202110671402 A CN202110671402 A CN 202110671402A CN 113370064 A CN113370064 A CN 113370064A
- Authority
- CN
- China
- Prior art keywords
- plate
- butterfly valve
- rod
- fixed
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Images
Classifications
-
- 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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/04—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for rotationally symmetrical workpieces, e.g. ball-, cylinder- or cone-shaped workpieces
-
- 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
- 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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/12—Devices for exhausting mist of oil or coolant; Devices for collecting or recovering materials resulting from grinding or polishing, e.g. of precious metals, precious stones, diamonds or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to a butterfly valve plate manufacturing and processing machine and a processing technology, which comprises a workbench, a fixing device and a moving device, wherein the fixing device comprises a sliding groove, a fixing structure plate, a moving frame, a circular hollow cylinder, a semicircular block, a rotating frame and a clamping frame.
Description
Technical Field
The invention relates to the technical field of manufacturing and processing of butterfly valve plates, in particular to manufacturing and processing machinery and a processing technology of a butterfly valve plate.
Background
A butterfly valve, also called a flap valve, is a regulating valve with a simple structure, and can be used for on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating a valve shaft around a valve clack or a butterfly plate of a closing part which is a disc, wherein the valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the purpose of opening, closing or adjusting is achieved, and the butterfly valve is mainly characterized in that: small operating moment, small installation space and light weight. The surface of the butterfly valve plate needs to be polished after the butterfly valve plate is manufactured.
The following problems can occur in the process of manufacturing and processing the butterfly valve plate:
(1) traditional butterfly valve block is polishing when handling, and the processing is polished to a butterfly valve block for a large number, has not only improved operating personnel's labour greatly, has reduced the work efficiency of machinery when polishing the butterfly valve block moreover.
(2) Traditional butterfly valve block is when polishing the processing, because the special construction restriction of butterfly valve block, is difficult for pressing from both sides tight fixedly to the butterfly valve block for the tight effect of clamp of machinery is not good, thereby influences the polishing processing to the butterfly valve block.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a manufacturing and processing machine and a processing technology of a butterfly valve plate.
The technical scheme adopted by the invention to solve the technical problem is as follows: a butterfly valve plate manufacturing and processing machine comprises a workbench, a fixing device and a moving device, wherein the fixing device and the moving device are arranged at the top of the workbench;
the fixing device comprises a sliding groove, fixing structure plates, a moving frame, circular hollow cylinders, semicircular blocks, a rotating frame and a clamping frame, wherein the sliding groove is symmetrically formed in the front side and the rear side of the top of the workbench, the fixing structure plates are arranged in the sliding groove, the moving frame is arranged on the top of the workbench and positioned on the opposite sides of the two fixing structure plates, the circular hollow cylinders are uniformly and rotatably arranged at the positions, close to the upper parts, of the opposite sides of the two fixing structure plates from left to right, the circular hollow cylinders on the two fixing structure plates penetrate through the inner walls of the fixing structure plates to extend inwards, the semicircular blocks are fixedly installed at the tail ends of the circular hollow cylinders, the rotating frame is arranged on the circular hollow cylinders on the fixing structure plate on one side, and the clamping frame is arranged on the circular hollow cylinders;
the moving device comprises supporting rods, bearing plates, an electric cylinder, fixed supporting plates, extension plates, rotating rods, locking frames, fixed blocks and arc-shaped polishing disks, wherein the top of the workbench is fixedly provided with the supporting rods near four corners, the top of the four supporting rods is fixedly provided with the bearing plates, the bottom center position of the bearing plates is fixedly provided with the electric cylinder, the output shaft of the electric cylinder is fixedly provided with the fixed supporting plates, the left side and the right side of the bottom of the fixed supporting plates are symmetrically and fixedly provided with the extension plates, the rotating rods are rotatably arranged between the two extension plates, one end of each rotating rod penetrates through the side wall of one extension plate to extend outwards and is provided with the locking frame, the upper side and the lower side of the side wall of each rotating rod are symmetrically and fixedly provided with the fixed blocks, the fixed blocks are linearly distributed from left to right, the opposite sides of the fixed blocks on the upper side and the lower side are provided with the arc-shaped polishing disks on the lower side, the polishing disk on the upper side is a fine polishing disk.
As a preferred technical scheme of the invention, the movable frame comprises fixed supports, a rotating shaft, a bidirectional threaded rod and a driving motor, the fixed supports are symmetrically and fixedly arranged on the front side and the rear side of the top of the workbench, the rotating shaft is erected between the two fixed supports and close to the left side, two ends of the rotating shaft penetrate through the side walls of the two fixed structural plates, the bidirectional threaded rod is erected between the two fixed supports and close to the right side, two ends of the bidirectional threaded rod penetrate through the side walls of the two fixed structural plates, the driving motor is fixedly arranged on the side wall of one group of the fixed supports through a motor base, and an output shaft of the driving motor is fixedly connected with one end of the bidirectional threaded rod.
As a preferred technical scheme of the invention, the rotating frame comprises chain wheels, chains, driven gears and driving gears, wherein the chain wheels are fixedly sleeved on one side, away from the fixed structural plate, of the plurality of circular hollow cylinders on one side of the fixed structural plate, the plurality of chain wheels are in transmission connection through the chains, the driven gear is fixedly installed on one circular hollow cylinder, an installation groove is formed in the side wall of one of the fixed structural plates, a first motor is fixedly installed in the installation groove, the driving gear is fixedly sleeved on an output shaft of the first motor, and the driving gear and the driven gear are in meshing transmission.
As a preferred technical scheme of the invention, the clamping frame comprises a moving rod, an extrusion plate, an arc plate, a first telescopic spring rod, a circular plate, a circular platform block, a circular rod, a pushing plate, an electric push rod, a telescopic rod and a reset spring, wherein moving holes are uniformly formed in one end, close to the semicircular block, of a circular hollow cylinder along the circumferential direction, the moving rod is arranged in the moving holes and penetrates through the moving holes and is in sliding connection with the moving holes, the extrusion plate is fixedly arranged at one end, located in the moving holes, of the moving rod, the two ends of the extrusion plate are of an arc structure, the arc plate is fixedly arranged at the other end of the moving rod, the first telescopic spring rods are fixedly arranged at the two sides, located at the moving rod, of the first telescopic spring rod, far away from the extrusion plate, and are fixedly connected with the inner wall of the circular hollow cylinder, the circular plate is further arranged in the circular hollow cylinder, the circular plate is fixedly arranged at one end, close to the semicircular block, of the circular plate, and is fixedly arranged with the circular platform block, the diameter of round platform piece is reduced gradually by fixed structure board's direction to semi-circular piece's direction, the other end rotation of circular slab is provided with the round bar, the one end that fixed structure board was kept away from to a plurality of round bars of front and back both sides has the slurcam respectively fixed mounting, the lateral wall fixed mounting of two fixed structure boards has electric putter, electric putter's removal end and slurcam fixed connection, still be provided with the telescopic link between fixed structure board and the slurcam, the telescopic link overcoat is equipped with reset spring.
As a preferred technical scheme of the invention, the locking frame comprises a rotating plate, a clamping groove, clamping rods, square blocks, compression springs and a limiting column, wherein the rotating plate is fixedly arranged after one end of the rotating rod penetrates through one of the extending plates, the clamping groove is symmetrically arranged on the upper and lower side wall of one of the extending plates, the sliding groove is arranged on the side wall of the rotating plate close to the upper part, the clamping rods are arranged in the sliding groove, the square blocks are fixedly arranged at the ends of the clamping rods far away from the rotating plate, the compression springs are fixedly arranged between the square blocks and the rotating plate in a vertically symmetrical mode, the compression springs are arranged on the upper side and the lower side of the clamping rods, the side wall of each clamping rod is arranged in the sliding groove, the threaded groove is arranged on the side wall of the rotating plate close to the upper part, the fixing groove is communicated with the sliding groove, one side of the fixing groove close to the sliding groove is in a threaded shape, and a limiting column is arranged in the fixed groove, and one end of the limiting column close to the sliding groove is in a spiral shape.
According to a preferred technical scheme of the invention, a limiting plate is fixedly sleeved at one end of each of the plurality of circular hollow cylinders, which is close to the semicircular block, a rubber layer is fixedly installed at one end of the limiting plate, which is close to the semicircular block, and semi-arc grooves are uniformly formed in the inner walls of the plurality of circular hollow cylinders along the circumferential direction and are linearly distributed.
As a preferable technical scheme of the invention, the side walls of the plurality of circular plates are uniformly and fixedly provided with a second telescopic spring rod along the circumferential direction, and one end of the second telescopic spring rod, which is far away from the side walls of the circular plates, is fixedly provided with a small ball.
As a preferable technical scheme of the invention, a chip box is arranged on the top of the workbench and between the two sliding grooves.
In addition, the invention also provides a manufacturing and processing process of the butterfly valve plate, which comprises the following steps:
s1, placing: firstly, butterfly valve plates to be processed and manufactured are placed on the circular hollow cylinders on the fixed structure plate on one side in batches, after the butterfly valve plates are placed, the moving frame is started at the moment, the moving frame drives the two fixed structure plates to perform opposite displacement in the sliding groove, and the two fixed structure plates drive the circular hollow cylinders to perform opposite displacement, so that the circular hollow cylinders drive the semicircular blocks to limit holes of the butterfly valve plates to be processed and manufactured;
s2, clamping: after the step of S1 is completed, after the hole of the butterfly valve plate to be processed and manufactured is limited, the hole of the butterfly valve plate to be processed and manufactured is clamped and fixed by the arranged clamping frame;
s3, polishing: after the step S2 is completed, after the hole of the butterfly valve plate to be processed and manufactured is clamped and fixed, the electric cylinder is started, the electric cylinder drives the fixed support plate to move downwards, the fixed support plate drives the extending plate to move downwards, the extending plate drives the rotating rod to move downwards, the rotating rod drives the arc-shaped polishing disc to move downwards, the arc-shaped polishing disc is positioned right above the butterfly valve plate to be processed and manufactured, and the plurality of butterfly valve plates clamped and fixed are rotated by the aid of the arranged rotating frame, so that the arc-shaped polishing disc can polish the plurality of butterfly valve plates simultaneously;
s4, blanking: and (8) after the step S3 is finished, finally, blanking the processed butterfly valve plate.
The invention has the beneficial effects that:
1. according to the invention, through the matching of the arranged workbench, the fixing device and the moving device, the butterfly valve plates to be polished are firstly placed on the fixing device in batches, the clamping effect of clamping and fastening the butterfly valve plates at regular time is enhanced through the arranged fixing device, the butterfly valve plates are clamped and fixed in batches through the fixing device, the labor force is reduced, the working efficiency of a machine in polishing the butterfly valve plates is greatly improved, and through the matching of the arranged fixing device and the moving device, the butterfly valve plates are quickly polished.
2. According to the invention, through the arranged clamping frame, after the moving frame limits the position of the hole of the butterfly valve block to be processed and manufactured, the electric push rod is started at the moment, the electric push rod drives the push plate to move towards the position close to the fixed structure plate, the push plate drives the plurality of circular rods to move, the plurality of circular rods drive the circular plates to move, the circular plates drive the circular truncated cone block to move, the circular truncated cone block extrudes the extrusion plate, at the moment, under the action of the first telescopic spring rod, the extrusion plate drives the moving rod to move outwards, the moving rod drives the arc-shaped plate to clamp and fix the hole of the butterfly valve block to be processed and manufactured, and when the butterfly valve block to be processed and manufactured is polished, the butterfly valve block is prevented from rotating, so that the butterfly valve block cannot be processed.
3. According to the invention, through the arranged fragment box, when the arc-shaped polishing disk polishes the butterfly valve plate, the fragments fall into the fragment box, and the fragments are prevented from falling onto the workbench, so that the attractiveness is influenced, and the dirty and poor working environment can be caused.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic left side view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is an enlarged view of a portion of the invention at M of FIG. 1;
FIG. 6 is an enlarged view of a portion of the invention at N of FIG. 2;
FIG. 7 is an enlarged view of a portion of the invention at X of FIG. 3;
FIG. 8 is a schematic view of the structure of the circular hollow cylinder, circular plate, semi-arc groove, circular rod, second telescopic spring rod and small ball of the present invention;
FIG. 9 is a schematic diagram of the structure of the work object of the present invention;
fig. 10 is a flow chart of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained with reference to fig. 1 to 10.
A butterfly valve plate manufacturing and processing machine comprises a workbench 1, a fixing device 2 and a moving device 3, wherein the fixing device 2 and the moving device 3 are arranged at the top of the workbench 1;
the fixing device 2 comprises a sliding groove 21, a fixed structural plate 22, a moving frame 23, a circular hollow cylinder 24, a semicircular block 25, a rotating frame 26 and a clamping frame 27, the front side and the rear side of the top of the workbench 1 are symmetrically provided with sliding grooves 21, fixed structural plates 22 are arranged in the sliding grooves 21, the top of the workbench 1 is provided with a moving frame 23 at the opposite sides of two fixed structure plates 22, the opposite sides of the two fixed structure plates 22 close to the upper part are uniformly provided with circular hollow cylinders 24 in a rotating way from left to right, a plurality of circular hollow cylinders 24 on the two fixed structure plates 22 penetrate through the inner wall of the fixed structure plates 22 and extend inwards, the tail ends of the circular hollow cylinders 24 are fixedly provided with semicircular blocks 25, a plurality of circular hollow cylinders 24 on one side of the fixed structure plate 22 are provided with rotating frames 26, and a plurality of circular hollow cylinders 24 are provided with clamping frames 27;
firstly, butterfly valve plates to be processed and manufactured are placed on the circular hollow cylinders 24 on the fixed structure plate 22 on one side in batches, after the butterfly valve plates are placed, the moving frame 23 drives the two fixed structure plates 22 to perform opposite displacement in the sliding groove 21, the two fixed structure plates 22 drive the plurality of circular hollow cylinders 24 to perform opposite displacement, so that the circular hollow cylinders 24 drive the semicircular blocks 25 to limit the holes of the butterfly valve plates to be processed and manufactured, after the holes of the butterfly valve plates to be processed and manufactured are limited, the holes of the butterfly valve plates to be processed and manufactured are clamped and fixed by the clamping frame 27, after the holes of the butterfly valve plates to be processed and manufactured are clamped and fixed, the moving device 3 is arranged right above the butterfly valve plates to be processed and manufactured, and then the butterfly valves clamped and fixed are rotated by the rotating frame 26, therefore, the moving device 3 can polish a plurality of butterfly valve plates simultaneously, the working efficiency of the machine in polishing the butterfly valve plates is improved, and the labor force is reduced;
the movable frame 23 comprises fixed supports 231, a rotating shaft 232, a bidirectional threaded rod 233 and a driving motor 234, the fixed supports 231 are symmetrically and fixedly installed on the front side and the rear side of the top of the workbench 1, the rotating shaft 232 is erected between the two fixed supports 231 and at a position close to the left side, two ends of the rotating shaft 232 penetrate through the side walls of the two fixed structure plates 22, the bidirectional threaded rod 233 is erected between the two fixed supports 231 and at a position close to the right side, two ends of the bidirectional threaded rod 233 penetrate through the side walls of the two fixed structure plates 22, the driving motor 234 is fixedly installed on the side wall of one group of the fixed supports 231 through a motor base, the driving motor is a bidirectional motor, and an output shaft of the driving motor 234 is fixedly connected with one end of the bidirectional threaded rod 233;
after the butterfly valve plates to be processed and manufactured are placed on the circular hollow cylinders 24 on the fixed structure plate 22 on one side in batches, the driving motor 234 is started at the moment, the driving motor 234 rotates, the driving motor 234 drives the two-way threaded rod 233 to rotate, and at the moment, under the action of the rotating shaft 232, the two fixed structure plates 22 are enabled to perform opposite displacement in the sliding groove 21, so that the two fixed structure plates 22 drive the circular hollow cylinders 24 to perform opposite displacement, and the circular hollow cylinders 24 on the two sides of the fixed structure plates 22 drive the semicircular blocks 25 to limit holes of the butterfly valve plates to be processed and manufactured;
the clamping frame 27 comprises a moving rod 27a, an extrusion plate 27b, an arc plate 27c, a first telescopic spring rod 271, a circular plate 272, a circular truncated cone 273, a circular rod 274, a pushing plate 275, an electric push rod 276, a telescopic rod 277 and a return spring 278, wherein a moving hole is uniformly formed in one end, close to the semicircular block 25, of the circular hollow cylinder 24 along the circumferential direction, the moving rod 27a is arranged in each moving hole, the moving rod 27a penetrates through the moving hole and is in sliding connection with the moving hole, the extrusion plate 27b is fixedly installed at one end, located in the moving hole, of the moving rod 27a, two ends of the extrusion plate 27b are of an arc structure, the arc plate 27c is fixedly installed at the other end of the moving rod 27a, the first telescopic spring rods 271 are fixedly installed at two sides, located on the extrusion plate 27a, one end, far away from the extrusion plate 27b, of the first telescopic spring rods 271 is fixedly connected with the inner wall of the circular hollow cylinder 24, a circular plate 272 is further arranged in the circular hollow cylinder 24, a circular block 273 is fixedly arranged at one end, close to the semicircular block 25, of the circular plate 272, the diameter of the circular block 273 is gradually reduced from the direction of the fixed structure plate 22 to the direction of the semicircular block 25, circular rods 274 are rotatably arranged at the other end of the circular plate 272, pushing plates 275 are respectively and fixedly arranged at one ends, far away from the fixed structure plate 22, of the circular rods 274 at the front side and the rear side, electric push rods 276 are fixedly arranged on the side walls of the two fixed structure plates 22, the moving ends of the electric push rods 276 are fixedly connected with the pushing plates 275, telescopic rods 277 are further arranged between the fixed structure plates 22 and the pushing plates 275, and reset springs 278 are sleeved outside the telescopic rods 277;
after the movable frame 23 limits the hole of the butterfly valve plate to be processed and manufactured, the electric push rod 276 is started at this time, the electric push rod 276 contracts inwards, the stable effect of the push plate 275 is enhanced through the arranged telescopic rod 277 and the reset spring 278, at this time, the electric push rod 276 drives the push plate 275 to displace towards the position close to the fixed structure plate 22, the push plate 275 drives the plurality of circular rods 274 to displace, the plurality of circular rods 274 drive the circular plate 272 to displace, the circular plate 272 drives the circular table block 273 to displace, the circular table block 273 extrudes the extrusion plate 27b, at this time, under the action of the first telescopic spring rod 271, the extrusion plate 27b drives the movable rod 27a to displace towards the outside, the movable rod 27a drives the arc plate 27c to clamp and fix the hole of the butterfly valve plate to be processed and manufactured, when the butterfly valve plate to be processed and manufactured is polished, the rotation phenomenon of the butterfly valve plate is prevented, so that the butterfly valve plate cannot be machined;
a limiting plate 241 is fixedly sleeved at one end of each of the plurality of circular hollow cylinders 24 close to the semicircular block 25, a rubber layer is fixedly arranged at one end of each limiting plate 241 close to the semicircular block 25, and semi-arc grooves are uniformly formed in the inner walls of the plurality of circular hollow cylinders 24 along the circumferential direction and are linearly distributed;
the side walls of the circular plates 272 are uniformly and fixedly provided with a second telescopic spring rod 27e along the circumferential direction, and one end of the second telescopic spring rod 27e far away from the side walls of the circular plates 272 is fixedly provided with a small ball 27 f;
when the butterfly valve block that will process the manufacturing is placed on circular hollow section of thick bamboo 24 on one of them side fixed knot constructs board 22 in batches, spacing board 241 through setting up carries on spacingly to the both ends of butterfly valve block, the rubber layer of setting prevents to cause wearing and tearing to the butterfly valve block that needs to process the manufacturing, when electric putter 276 drives circular rod 274 and carries out the displacement in circular hollow section of thick bamboo 24, circular rod 274 drives circular plate 272 and carries out the displacement in circular hollow section of thick bamboo 24, through the No. two telescopic spring pole 27e and the small ball 27f that set up, when electric putter 276 no longer carries out the displacement, make the small ball 27f on No. two telescopic spring pole 27e just block to the semi-arc inslot of circular hollow section of thick bamboo 24 inner wall, make the tight effect of clamp to the butterfly valve block improve.
The moving device 3 comprises a support rod 31, a bearing plate 32, an electric cylinder 33, a fixed support plate 34, an extending plate 35, a rotating rod 36, a locking frame 37, a fixed block 38 and an arc-shaped polishing disk 39, wherein the support rod 31 is fixedly arranged at the top of the workbench 1 near four corners, the bearing plate 32 is fixedly arranged at the top of the four support rods 31, the electric cylinder 33 is fixedly arranged at the center of the bottom of the bearing plate 32, the fixed support plate 34 is fixedly arranged on an output shaft of the electric cylinder 33, the extending plates 35 are symmetrically and fixedly arranged at the left side and the right side of the bottom of the fixed support plate 34, the rotating rod 36 is rotatably arranged between the two extending plates 35, one end of the rotating rod 36 penetrates through the side wall of one of the extending plates 35 to extend outwards and is provided with the locking frame 37, the fixed block 38 is fixedly arranged at the upper and lower sides of the side wall of the rotating rod 36, the fixed block 38 is linearly distributed from left to right, the arc-shaped polishing disk 39 is arranged at the opposite sides of the fixed block 38 at the upper and the lower sides, the arc polishing disk 39 positioned at the lower side is a rough polishing disk, and the polishing disk positioned at the upper side is a fine polishing disk;
when the fixing device 2 clamps and fastens the butterfly valve plates to be processed and manufactured in batches, the electric cylinder 33 is started, the electric cylinder 33 drives the fixing support plate 34 to displace downwards, the fixing support plate 34 drives the two extending plates 35 to displace downwards, the extending plates 35 drive the rotating rod 36 to displace downwards, the rotating rod 36 drives the arc polishing disc 39 to displace downwards, so that the arc polishing disc 39 is positioned right above the butterfly valve plates to be processed and manufactured, the rotating frame 26 is used for rotating the butterfly valve plates clamped and fixed, so that the arc polishing disc 39 performs rough polishing on the butterfly valve plates simultaneously, after the rough polishing is completed, the electric cylinder 33 drives the fixing support plate 34 to displace upwards, so that the fixing support plate 34 drives the extending plates 35 to displace upwards, the extending plates 35 drive the rotating rod 36 to displace upwards, and the rotating rod 36 drives the arc polishing disc 39 to displace upwards, at the moment, the rotating rod 36 is rotated through the arranged locking frame 37, so that the rotating rod 36 drives the fine polishing disc to be positioned right above the butterfly valve plate to be processed and manufactured, and the butterfly valve plate is polished again by the arranged fine polishing disc, so that the polishing effect is greatly improved;
the locking frame 37 comprises a rotating plate 371, clamping grooves 372, clamping rods 373, square blocks 374, compression springs 375 and a limiting column 376, wherein the rotating plate 371 is fixedly installed after one end of the rotating rod 36 penetrates through one of the extending plates 35, the clamping grooves 372 are symmetrically formed in the upper portion and the lower portion of the side wall of one of the extending plates 35, sliding grooves are formed in the position, close to the upper portion, of the side wall of the rotating plate 371, clamping rods 373 are arranged in the sliding grooves, the square blocks 374 are fixedly installed at one ends, far away from the rotating plate 371, of the clamping rods 373, the compression springs 375 are symmetrically and fixedly installed between the square blocks 374 and the rotating plate 371 in the upper portion and the lower portion, the compression springs 375 are located on the upper side and the lower side of the clamping rods 373, the side wall of the clamping rods 373 is located in the sliding grooves, threaded grooves are formed in the side wall of the clamping rods 373, fixing grooves are formed in the position, close to the upper portion, of the side wall of the rotating plate 371, the fixing grooves are communicated with the sliding grooves, one side, which is in a threaded shape, a limiting column 376 is arranged in the fixing groove, and one end of the limiting column 376 close to the sliding groove is spiral;
when a fine polishing disc is needed, the limiting column 376 is rotated at the moment, so that the limiting column 376 is separated from the thread groove, the limiting column 376 does not lock the clamping rod 373, the clamping rod 373 is made to pop out of the clamping groove 372 under the action of the compression spring 375, the clamping rod 373 does not limit the rotating plate 371, the rotating plate 371 is rotated at the moment, the rotating plate 371 drives the rotating rod 36 to rotate, the rotating rod 36 drives the arc-shaped polishing disc 39 to rotate, so that the fine polishing disc is positioned right above a butterfly valve plate needing to be processed and manufactured, after the fine polishing disc is adjusted, the square block 374 is pressed at the moment, the square block 374 drives the clamping rod 373 to be positioned in the clamping groove 372 under the action of the compression spring 375, the thread groove on the clamping rod 373 corresponds to the fixing groove, the limiting column 376 is rotated at the moment, so that the limiting column 376 is matched with the thread groove 373, and the clamping rod 373 is locked, the clamping rod 373 locks the rotating plate 371, the rotating plate 371 is prevented from displacement when the butterfly valve block is polished, and the polishing effect when the butterfly valve block is polished by machinery is improved by the arrangement of the fine polishing disc and the coarse polishing disc;
the rotating frame 26 comprises a chain wheel 261, a chain 262, a driven gear 263 and a driving gear 264, wherein the chain wheel 261 is fixedly sleeved on one side, away from the fixed structure plate 22, of the plurality of circular hollow cylinders 24 on one side of the fixed structure plate 22, the plurality of chain wheels 261 are in transmission connection through the chain 262, the driven gear 263 is fixedly installed on one circular hollow cylinder 24, an installation groove is formed in the side wall of one of the fixed structure plates 22, a first motor is fixedly installed in the installation groove, the driving gear 264 is fixedly sleeved on an output shaft of the first motor, and the driving gear 264 and the driven gear 263 are in meshing transmission;
when mobile device 3 is located the butterfly valve block that needs to process the manufacturing directly over, start a motor this moment, a motor drives driving gear 264 and rotates, driving gear 264 drives driven gear 263 and rotates, make driven gear 263 drive one of them circular hollow section of thick bamboo 24 and rotate, circular hollow section of thick bamboo 24 drives sprocket 261 and rotates, drive a plurality of sprockets 261 under the effect of chain 262 this moment and rotate, sprocket 261 makes a plurality of circular hollow section of thick bamboos 24 rotate, thereby make a plurality of circular hollow section of thick bamboos 24 drive the butterfly valve block that the tight fixed needs of clamp processed the manufacturing and rotate, thereby make mobile device 3 process a plurality of butterfly valves valve block simultaneously, the work efficiency of machinery when throwing is greatly improved.
A scrap box 11 is arranged on the top of the workbench 1 and between the two sliding grooves 21;
through the piece box 11 that sets up, when the arc polishing dish 39 throws the butterfly valve block for in the piece falls piece box 11, prevent that the piece from dropping workstation 1, not only influence pleasing to the eye, can cause operational environment dirty messy poor moreover.
In addition, the invention also provides a manufacturing and processing process of the butterfly valve plate, which comprises the following steps:
s1, placing: firstly, butterfly valve plates to be processed and manufactured are placed on the circular hollow cylinders 24 on the fixed structure plate 22 on one side in batches, after the butterfly valve plates are placed, the driving motor 234 is started at the moment, the driving motor 234 rotates, the driving motor 234 drives the two-way threaded rod 233 to rotate, and at the moment, under the action of the rotating shaft 232, the two fixed structure plates 22 are enabled to carry out opposite displacement in the sliding groove 21, so that the two fixed structure plates 22 drive the circular hollow cylinders 24 to carry out opposite displacement, and the circular hollow cylinders 24 drive the semicircular blocks 25 to limit holes of the butterfly valve plates to be processed and manufactured;
s2, clamping: after the step of S1 is completed, at this time, the electric push rod 276 is started, the electric push rod 276 contracts inwards, at this time, the electric push rod 276 drives the push plate 275 to displace to a position close to the fixed structure plate 22, the push plate 275 drives the plurality of circular rods 274 to displace, so that the plurality of circular rods 274 push the circular plate 272 to displace, the circular plate 272 pushes the circular table piece 273 to displace, the circular table piece 273 pushes the extrusion plate 27b, at this time, under the action of the first telescopic spring rod 271, the extrusion plate 27b pushes the movable rod 27a to displace outwards, so that the movable rod 27a pushes the arc-shaped plate 27c to clamp and fix the hole of the butterfly valve plate to be processed and manufactured;
s3, polishing: after the step S2 is completed, after the hole of the butterfly valve plate to be processed and manufactured is clamped and fixed, the electric cylinder 33 is started, the electric cylinder 33 drives the fixed support plate 34 to displace downward, the fixed support plate 34 drives the extending plate 35 to displace downward, the extending plate 35 drives the rotating rod 36 to displace downward, the rotating rod 36 drives the arc polishing disk 39 to displace downward, so that the arc polishing disk 39 is located right above the butterfly valve plate to be processed and manufactured, the first motor is started, the first motor drives the driving gear 264 to rotate, the driving gear 264 drives the driven gear 263 to rotate, so that the driven gear 263 drives one of the circular hollow cylinders 24 to rotate, the circular hollow cylinder 24 drives the sprocket 261 to rotate, at this time, the plurality of sprockets 261 are driven to rotate under the action of the chain 262, and the plurality of circular hollow cylinders 24 are driven by the sprocket 261 to rotate, therefore, the plurality of round hollow cylinders 24 drive the butterfly valve plates which are clamped and fixed and need to be processed and manufactured to rotate, and the moving device 3 can process the plurality of butterfly valve plates at the same time;
s4, blanking: and (8) after the step S3 is finished, finally, blanking the processed butterfly valve plate.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a butterfly valve plate manufacturing and processing machinery, includes workstation (1), fixing device (2) and mobile device (3), its characterized in that: the top of the workbench (1) is provided with a fixing device (2) and a moving device (3);
the fixing device (2) comprises a sliding groove (21), fixed structure plates (22), a moving frame (23), circular hollow cylinders (24), semicircular blocks (25), a rotating frame (26) and a clamping frame (27), the sliding groove (21) is symmetrically formed in the front side and the rear side of the top of the workbench (1), the fixed structure plates (22) are arranged in the sliding groove (21), the moving frame (23) is arranged on the opposite sides of the top of the workbench (1) on the two fixed structure plates (22), the circular hollow cylinders (24) are uniformly and rotatably arranged on the positions, close to the upper parts, of the opposite sides of the two fixed structure plates (22) from left to right, the circular hollow cylinders (24) on the two fixed structure plates (22) penetrate through the inner walls of the fixed structure plates (22) to extend inwards, the semicircular blocks (25) are fixedly mounted at the tail ends of the circular hollow cylinders (24), a plurality of circular hollow cylinders (24) on one side of the fixed structure plate (22) are provided with rotating frames (26), and a plurality of circular hollow cylinders (24) are provided with clamping frames (27);
the movable device (3) comprises a support rod (31), bearing plates (32), an electric cylinder (33), a fixed support plate (34), an extension plate (35), a rotating rod (36), a locking frame (37), a fixed block (38) and an arc-shaped polishing disc (39), wherein the top of the workbench (1) is fixedly provided with the support rod (31) close to four corners, the top of each of the four support rods (31) is fixedly provided with the bearing plate (32), the center of the bottom of the bearing plate (32) is fixedly provided with the electric cylinder (33), the output shaft of the electric cylinder (33) is fixedly provided with the fixed support plate (34), the left side and the right side of the bottom of the fixed support plate (34) are symmetrically and fixedly provided with the extension plates (35), the rotating rod (36) is rotatably arranged between the two extension plates (35), one end of the rotating rod (36) penetrates through one side wall of the extension plate (35) and extends outwards and is provided with the locking frame (37), fixed block (38) are installed to the lateral wall of dwang (36) symmetry from top to bottom fixed mounting, and fixed block (38) are linear distribution from left to right, and arc polishing dish (39) are installed to the back of the body side of fixed block (38) that are located both sides about being located, and arc polishing dish (39) that are located the downside are the rough polishing dish, and the polishing dish that is located the upside is the fine polishing dish.
2. A butterfly valve plate manufacturing and processing machine according to claim 1, characterized in that: remove frame (23) including fixing support (231), axis of rotation (232), two-way threaded rod (233) and driving motor (234), the top of workstation (1) around bilateral symmetry fixed mounting have fixing support (231), be close to left position frame between two fixing support (231) and be equipped with axis of rotation (232), the both ends of axis of rotation (232) run through the lateral wall of two fixed structure boards (22), be close to the position frame on right side between two fixing support (231) and be equipped with two-way threaded rod (233), the both ends of two-way threaded rod (233) run through the lateral wall of two fixed structure boards (22), the lateral wall of one of them group of fixing support (231) passes through motor cabinet fixed mounting has driving motor (234), the output shaft of driving motor (234) and the one end fixed connection of two-way threaded rod (233).
3. A butterfly valve plate manufacturing and processing machine according to claim 1, characterized in that: rotating turret (26) including sprocket (261), chain (262), driven gear (263) and driving gear (264), wherein one side fixed structure board (22) on a plurality of circular hollow section of thick bamboo (24) keep away from one side fixed cover of fixed structure board (22) and be equipped with sprocket (261), a plurality of sprockets (261) are connected through chain (262) transmission, fixed mounting has driven gear (263) on one of them circular hollow section of thick bamboo (24), one of them the lateral wall of fixed structure board (22) seted up the mounting groove, fixed mounting has a motor in the mounting groove, the fixed cover of output shaft of a motor is equipped with driving gear (264), driving gear (264) and driven gear (263) meshing transmission.
4. A butterfly valve plate manufacturing and processing machine according to claim 1, characterized in that: the clamping frame (27) comprises a moving rod (27a), an extrusion plate (27b), an arc-shaped plate (27c), a first telescopic spring rod (271), a circular plate (272), a circular truncated cone (273), a circular rod (274), a pushing plate (275), an electric push rod (276), a telescopic rod (277) and a return spring (278), wherein moving holes are uniformly formed in one end, close to the semicircular block (25), of the circular hollow cylinder (24) along the circumferential direction, the moving rod (27a) is arranged in the moving holes, the moving rod (27a) penetrates through the moving holes and is in sliding connection with the moving holes, the extrusion plate (27b) is fixedly installed at one end, located in the moving holes, of the moving rod (27a), the two ends of the extrusion plate (27b) are of an arc-shaped structure, the arc-shaped plate (27c) is fixedly installed at the other end of the moving rod (27a), the first telescopic spring rod (271) is fixedly installed at two sides, located in the moving rod (27a), on the extrusion plate (27b), one end of a first telescopic spring rod (271) far away from the extrusion plate (27b) is fixedly connected with the inner wall of the circular hollow cylinder (24), a circular plate (272) is further arranged in the circular hollow cylinder (24), one end of the circular plate (272) close to the semicircular block (25) is fixedly provided with a circular table block (273), the diameter of the circular table block (273) is gradually reduced from the direction of the fixed structure plate (22) to the direction of the semicircular block (25), the other end of the circular plate (272) is rotatably provided with a circular rod (274), one ends of a plurality of circular rods (274) at the front side and the rear side, far away from the fixed structure plates (22), are respectively and fixedly provided with a push plate (275), the side walls of the two fixed structure plates (22) are fixedly provided with electric push rods (276), the moving end of each electric push rod (276) is fixedly connected with the push plate (275), a telescopic rod (277) is further arranged between each fixed structure plate (22) and each push plate (275), the outer sleeve of the telescopic rod (277) is provided with a return spring (278).
5. A butterfly valve plate manufacturing and processing machine according to claim 1, characterized in that: the locking frame (37) comprises a rotating plate (371), clamping grooves (372), clamping rods (373), square blocks (374), compression springs (375) and a limiting column (376), wherein the rotating plate (371) is fixedly installed at one end of the rotating rod (36) after penetrating through one of the extending plates (35), the clamping grooves (372) are symmetrically formed in the upper and lower sides of the side wall of one of the extending plates (35), the sliding groove is formed in the position, close to the upper side, of the side wall of the rotating plate (371), the clamping rods (373) are arranged in the sliding groove, the square blocks (374) are fixedly installed at one end, far away from the rotating plate (371), of the clamping rods (373), the compression springs (375) are symmetrically and fixedly installed between the square blocks (374) and the rotating plate (371), the compression springs (375) are located on the upper side and the lower side of the clamping rods (373), the side wall of the clamping rods (373) is located in the sliding groove, and thread grooves are formed in the side wall of the clamping rods (373), the lateral wall of rotor plate (371) is close to the position of top and has seted up the fixed slot, and fixed slot and sliding tray communicate mutually, and one side that the fixed slot is close to in the sliding tray is the screw thread form, and is provided with spacing post (376) in the fixed slot, and the one end that spacing post (376) are close to the sliding tray is the heliciform.
6. A butterfly valve plate manufacturing and processing machine according to claim 1, characterized in that: it is a plurality of circular hollow cylinder (24) be close to the fixed cover of one end of semicircular block (25) and be equipped with limiting plate (241), the one end fixed mounting that limiting plate (241) are close to semicircular block (25) has the rubber layer, and the semi-arc groove has evenly been seted up along circumference to the inner wall of a plurality of circular hollow cylinders (24), the semi-arc groove is linear distribution.
7. A butterfly valve plate manufacturing and processing machine according to claim 4, characterized in that: a second telescopic spring rod (27e) is uniformly and fixedly installed on the side wall of the circular plate (272) along the circumferential direction, and a small ball (27f) is fixedly installed at one end, far away from the side wall of the circular plate (272), of the second telescopic spring rod (27 e).
8. A butterfly valve plate manufacturing and processing machine according to claim 1, characterized in that: and a scrap box (11) is arranged at the top of the workbench (1) and between the two sliding grooves (21).
9. A butterfly valve plate manufacturing and processing machine according to claim 1, characterized in that: the specific operation is carried out by adopting the butterfly valve plate manufacturing and processing machine, and the specific processing method comprises the following steps:
s1, placing: firstly, butterfly valve plates to be processed and manufactured are placed on a circular hollow cylinder (24) on a fixed structure plate (22) on one side in batches, after the butterfly valve plates are placed, a moving frame (23) is started at the moment, the moving frame (23) drives the two fixed structure plates (22) to perform opposite displacement in a sliding groove (21), and the two fixed structure plates (22) drive a plurality of circular hollow cylinders (24) to perform opposite displacement, so that the circular hollow cylinders (24) drive a semicircular block (25) to limit holes of the butterfly valve plates to be processed and manufactured;
s2, clamping: after the step S1 is completed, when the hole of the butterfly valve plate to be processed and manufactured is limited, the hole of the butterfly valve plate to be processed and manufactured is clamped and fixed by the arranged clamping frame (27);
s3, polishing: after the step S2 is completed, after the holes of the butterfly valve plates needing to be processed and manufactured are clamped and fixed, the electric cylinder (33) is started, the electric cylinder (33) drives the fixing support plate (34) to displace downwards, the fixing support plate (34) drives the extending plate (35) to displace downwards, the extending plate (35) drives the rotating rod (36) to displace downwards, the rotating rod (36) drives the arc-shaped polishing disc (39) to displace downwards, so that the arc-shaped polishing disc (39) is positioned right above the butterfly valve plates needing to be processed and manufactured, and the rotating frame (26) is used for rotating the butterfly valves clamped and fixed, so that the arc-shaped polishing disc (39) can polish the butterfly valve plates simultaneously;
s4, blanking: and (8) after the step S3 is finished, finally, blanking the processed butterfly valve plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110671402.4A CN113370064A (en) | 2021-06-17 | 2021-06-17 | Butterfly valve plate manufacturing and processing machine and processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110671402.4A CN113370064A (en) | 2021-06-17 | 2021-06-17 | Butterfly valve plate manufacturing and processing machine and processing technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113370064A true CN113370064A (en) | 2021-09-10 |
Family
ID=77577479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110671402.4A Withdrawn CN113370064A (en) | 2021-06-17 | 2021-06-17 | Butterfly valve plate manufacturing and processing machine and processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113370064A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787405A (en) * | 2021-09-17 | 2021-12-14 | 泰州市金鹰齿轮有限公司 | Automatic machining equipment and machining process for manufacturing gear sleeve |
| CN114378758A (en) * | 2022-01-13 | 2022-04-22 | 钟永广 | Gate valve production, manufacturing and assembling equipment and assembling method |
-
2021
- 2021-06-17 CN CN202110671402.4A patent/CN113370064A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787405A (en) * | 2021-09-17 | 2021-12-14 | 泰州市金鹰齿轮有限公司 | Automatic machining equipment and machining process for manufacturing gear sleeve |
| CN113787405B (en) * | 2021-09-17 | 2022-11-22 | 泰州市金鹰齿轮有限公司 | Automatic machining equipment and machining process for gear sleeve manufacturing |
| CN114378758A (en) * | 2022-01-13 | 2022-04-22 | 钟永广 | Gate valve production, manufacturing and assembling equipment and assembling method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113370064A (en) | Butterfly valve plate manufacturing and processing machine and processing technology | |
| CN111941235B (en) | Automatic machine tool for grinding steel member for machining | |
| CN112045543A (en) | Pollution-free surface treatment device for steel and use method thereof | |
| CN107511703A (en) | A kind of hardware workpiece fixture for processing | |
| CN111993195A (en) | Multi-angle gear grinding device and process for transmission gear | |
| CN209665077U (en) | A kind of five metalworking polishing machines | |
| CN111496565A (en) | Special clamp for numerical control machining | |
| CN108788783B (en) | Drilling equipment for quickly switching valve body mounting surface | |
| CN209318452U (en) | A kind of wire drawing machine take-up | |
| CN214213236U (en) | Section bar grinding device is used in big-arch shelter pipe production | |
| CN111823086A (en) | Angle-adjustable plate edge grinding device for machining | |
| CN219767694U (en) | Edge polishing device for sewer line production | |
| CN116079126B (en) | Numerical control planer type milling machine and method for numerical control machining center | |
| CN112570810A (en) | Fireproof heat-insulating material production positioning cutting device | |
| CN2889608Y (en) | Stone gyration surface polisher | |
| CN113878433B (en) | Automatic processing equipment of high-performance corrosion-resistant valve | |
| CN206286560U (en) | A kind of Shaft class processes double end turning lathe | |
| CN108788810B (en) | Rotary positioning device for valve body mounting surface machining | |
| CN212372133U (en) | Automobile engine spare part processingequipment | |
| CN210878961U (en) | Chamfering machine for producing piston pin | |
| CN114101752A (en) | Positioning and drilling device for industrial machinery installation | |
| CN112264677A (en) | Tapping machine | |
| CN220348455U (en) | Intelligent robot maintenance auxiliary assembly | |
| CN220279202U (en) | High finish grinding device of mould surface | |
| CN218416146U (en) | Cold stamping die of permanent magnet direct current torque motor shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210910 |
|
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Yan Fenglin Document name: Refund Approval Notice |