CN112809326A - Valve body forming and finish machining process - Google Patents
Valve body forming and finish machining process Download PDFInfo
- Publication number
- CN112809326A CN112809326A CN202110227257.0A CN202110227257A CN112809326A CN 112809326 A CN112809326 A CN 112809326A CN 202110227257 A CN202110227257 A CN 202110227257A CN 112809326 A CN112809326 A CN 112809326A
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- Prior art keywords
- valve body
- center
- drilling
- shaft
- torsion
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2247/00—Details of drilling jigs
- B23B2247/12—Drilling jigs with means to affix the jig to the workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention relates to a valve body forming finish machining process, in particular to a valve body flange end face drilling jig device which comprises a base, a rotary table and a clamping mechanism, wherein the clamping mechanism comprises a central cylinder, a torsion shaft, a torsion part, a connecting rod, a side clamping block and a pressing assembly; the device provided in the process can assist the valve body to drill the flange holes, can be used as a drilling fixture to fix the valve body so as to facilitate the flange hole drilling, and can quickly realize the drilling positioning so as to conveniently and quickly finish the drilling of each flange hole one by one, thereby solving the trouble of manually marking the drilling position in advance, overcoming and basically eliminating the drilling deviation caused by manual operation, improving the flange hole drilling positioning speed and positioning precision, and improving the processing efficiency.
Description
Technical Field
The invention relates to the technical field of production and processing of pipeline control parts, and particularly provides a valve body forming and finish machining process of a valve.
Background
The valve is a pipeline control part used for opening and closing a pipeline, controlling the flow direction, regulating and controlling parameters (temperature, pressure and flow) of a conveying medium in a fluid conveying system, and has the functions of stopping, regulating, guiding, preventing counter flow, stabilizing pressure, shunting, overflowing, relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems.
The invention provides a valve body forming finish machining process, particularly relates to a drilling jig device for the flange end faces of a valve body, and particularly aims to assist in machining the flange holes of the valve body with the flange end faces at two ends during the flange hole drilling process, wherein the flange end faces of the valve body generally comprise a plurality of flange holes uniformly distributed on the circumference, when a plurality of flange holes are drilled, the flange holes are drilled one by adopting manual work, the drilling positions are roughly determined by adopting manual work in some cases, therefore, the deviation of the drilling position is large, some drilling positions need to be marked in advance in order to improve the positioning accuracy of the drilling positions, obviously in the process of mass production, the operation is very complicated by the mode of marking one by one, the processing efficiency is low, and large personal errors exist between different valve bodies.
Disclosure of Invention
In order to solve the problems, the invention provides a valve body forming and finishing process for a valve, which is used for solving the problems mentioned in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a valve body forming and finish machining process of a valve specifically comprises the following steps:
s1, forming of the valve body: the valve body of the valve is processed and formed in a molding mode of casting molding;
s2, turning: turning the flow passage and the end surface of the valve body after casting and molding;
s3, drilling: under the assistance of the drilling jig device for drilling the flange end faces of the valve body, drilling processing is carried out on the flange end faces on the two sides of the valve body;
s4, surface painting: spraying surface paint on the outer surface of the end face of the division flange on the valve body of the valve;
s5, standing and drying: standing and drying the valve body after the paint spraying treatment;
adopt the valve body shaping finish machining process of above-mentioned step S1-S5 to still concretely relates to the in-process of valve body processing to foretell valve body flange terminal surface drilling jig device, including base, revolving stage and clamping mechanism, wherein:
the rotating platform comprises a rotating cylinder vertically and rotatably arranged on the base, a plurality of stand columns fixedly connected to the top ends of the rotating cylinder and a plurality of bearing disks horizontally and fixedly arranged at the top ends of the stand columns, the central axis of each bearing disk is superposed with the central axis of the rotating cylinder, four rectangular guide holes are uniformly distributed on each bearing disk about the central circumference of the bearing disk, the extension line of the connecting line of the middle points of the two short edges of each guide hole passes through the center of each bearing disk, and a plurality of positioning round holes are equidistantly distributed on each bearing disk about the central circumference of the bearing disk;
the base is provided with a positioning pin assembly matched with the positioning round hole;
the clamping mechanism comprises four side clamping blocks which are arranged at the four guide holes in a one-to-one correspondence manner and four pressing assemblies which are arranged on the four side clamping blocks in a one-to-one correspondence manner; the side clamping block comprises a sliding part and a side clamping part which is integrally formed with the sliding part, the sliding part penetrates through the guide hole and is in sliding fit with the guide hole, the side clamping part is U-shaped and is positioned above the bearing disc, the pressing component comprises a key shaft guide rod, a side extension plate, a tension spring and a press roller, the key shaft guide rod extends into the U-shaped inner groove of the side clamping part and is vertically matched with the sliding part in a sliding manner, the side extension plate is horizontally and fixedly arranged at the top end of the key shaft guide rod, is positioned at the top end of the side clamping part and is deviated to one side of the center of the bearing disc, the tension spring is sleeved on the key shaft guide rod, two ends of the tension spring are connected between the lower end of the side extension plate and the inner end surface of the U-shaped inner groove of the side clamping part, the compression roller is horizontally and rotatably arranged on the side extending plate and is deviated to one side of the center of the bearing disc, and the central shaft of the compression roller is vertical to the long edge of the guide hole at the position.
Preferably, the center of the supporting disc is provided with a center hole, the clamping mechanism further comprises a center cylinder, a torsion shaft, a torsion member and connecting rods, the center cylinder is fixedly mounted at the center position of the upper end of the supporting disc, the torsion shaft comprises a shaft rod of which the center shaft penetrates through the center of the supporting disc, the shaft rod vertically penetrates through the center hole, the shaft rod comprises a screw rod part and a key shaft part, the screw rod part is in threaded fit connection with the center cylinder, the torsion member is positioned below the supporting disc and is rotationally arranged on the rotating cylinder, the rotation center shaft of the torsion member is superposed with the rotation center shaft of the rotating cylinder, the key shaft part is in vertical sliding fit with the torsion member, the torsion member is hinged with four connecting rods, and the hinge shafts of the four connecting rods on the torsion member are equidistantly distributed in the circumferential direction of the torsion member, the other ends of the four connecting rods are hinged with the four sliding block parts in a one-to-one correspondence mode.
Preferably, the torsion component comprises a rotating part and a connecting rod connecting part, the rotating part is rotatably arranged on the rotating cylinder, the key shaft part vertically penetrates through the center of the connecting rod connecting part and is in sliding fit with the center of the connecting rod connecting part, and one end of each of the four connecting rods is hinged to the connecting rod connecting part.
Preferably, the torsion shaft further comprises a torsion handle fixedly connected to the top end of the screw rod portion.
Preferably, the positioning pin assembly comprises a positioning pin and a return spring, the positioning pin is matched with the positioning round hole, the positioning pin is vertically arranged on the base in a sliding mode, a connecting ring is arranged on the positioning pin, the return spring is sleeved on the positioning pin, two ends of the return spring are connected between the connecting ring and the upper end face of the base, and the positioning round hole is inserted into the positioning round hole when the positioning round hole is aligned with the positioning pin.
Preferably, the bottom end of the positioning pin is provided with a drawing handle.
The technical scheme has the following advantages or beneficial effects:
1. the invention provides a valve body forming and finish machining process, and particularly relates to a valve body flange end face drilling jig device, which can be used as a drilling fixture to fix a valve body so as to facilitate flange hole drilling machining, and can be used for quickly realizing drilling positioning so as to facilitate quick drilling of each flange hole one by one, thereby solving the trouble of manually marking the drilling position in advance, overcoming and basically eliminating the drilling deviation caused by manual operation, improving the flange hole drilling positioning speed and positioning precision, and improving the machining efficiency.
2. The invention provides a valve body forming and finish machining process, and particularly relates to a valve body flange end face drilling jig device.
Drawings
The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a process flow diagram of a valve body forming finish machining process provided by the invention;
FIG. 2 is a schematic perspective view of a valve body flange end face drilling jig device provided by the invention at a viewing angle;
FIG. 3 is a schematic perspective view of a valve body flange end face drilling jig device provided by the invention at another view angle;
FIG. 4 is an enlarged partial schematic view at A of FIG. 3;
FIG. 5 is a schematic view of a half-section structure of a drilling jig device for drilling a flange end face of a valve body of the valve provided by the invention;
FIG. 6 is a front view of a valve body flange end face drilling jig device provided by the invention;
fig. 7 is a partially enlarged schematic view at B in fig. 6.
In the figure: 1. a base; 11. a dowel assembly; 111. positioning pins; 1111. a connecting ring; 1112. pulling the handle; 112. a return spring; 2. a rotating table; 21. a rotary drum; 22. a column; 23. a supporting disc; 231. a central bore; 232. a guide hole; 233. positioning the circular hole; 3. a clamping mechanism; 31. a central barrel; 32. a torsion shaft; 321. twisting the handle; 322. a shaft lever; 3221. a screw section; 3222. a key shaft portion; 33. a torsion member; 331. a rotating part; 332. a connecting rod connecting part; 34. a connecting rod; 35. a side clamping block; 351. a slider portion; 352. a side nip; 36. a compression assembly; 361. a key shaft guide; 362. a side extension plate; 363. a tension spring; 364. and (4) pressing the rolls.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.
Referring to the attached drawings 1-7, the machining process for the valve body forming of the valve specifically comprises the following steps:
s1, forming of the valve body: the valve body of the valve is processed and formed in a molding mode of casting molding;
s2, turning: turning the flow passage and the end surface of the valve body after casting and molding, wherein the turning process can be carried out by adopting the existing lathe;
s3, drilling: under the assistance of the drilling jig device for drilling the flange end faces of the valve body, drilling processing is carried out on the flange end faces on the two sides of the valve body;
s4, surface painting: spraying surface paint on the outer surface of the end face of the division flange on the valve body of the valve;
s5, standing and drying: standing and drying the valve body after the paint spraying treatment;
the valve body is further specifically related to the valve body flange end face drilling jig device in the process of machining the valve body by adopting the valve body forming finish machining process of the steps S1-S5, and the device comprises a base 1, a rotating table 2 and a clamping mechanism 3;
the rotating platform 2 comprises a rotating cylinder 21 vertically and rotatably arranged on the base 1, four upright posts 22 fixedly connected to the top end of the rotating cylinder 21 and a bearing disc 23 horizontally and fixedly arranged at the top ends of the four upright posts 22, the four upright posts 22 are uniformly distributed around the central axis of the rotating cylinder 21, the central axis of the bearing disc 23 is superposed with the central axis of the rotating cylinder 21, four rectangular guide holes 232 are uniformly distributed on the bearing disc 23 relative to the central circumference thereof, the extension line of the connecting line of the middle points of two short sides of the guide holes 232 passes through the center of the bearing disc 23, and eight positioning round holes 233 are equidistantly distributed on the bearing disc 23 relative to the central circumference thereof (the number of the positioning round holes 233 is equal to the number of bolt holes at the flange end;
the clamping mechanism 3 comprises four side clamping blocks 35 which are arranged at the four guide holes 232 in a one-to-one correspondence manner and four pressing assemblies 36 which are arranged on the four side clamping blocks 35 in a one-to-one correspondence manner; the side clamping block 35 includes a sliding part and a side clamping part 352 integrally formed with the sliding part, the sliding part penetrates through the guiding hole 232 and is in sliding fit with the guiding hole 232, the side clamping part 352 is U-shaped and is located above the supporting disc 23, the pressing component 36 includes a key shaft guide rod 361, a side extension plate 362, a tension spring 363 and a pressing roller 364, the key shaft guide rod 361 extends into the U-shaped internal groove of the side clamping part 352 and is in vertical sliding fit with the sliding part, the side extension plate 362 is horizontally and fixedly installed at the top end of the key shaft guide rod 361 through a bolt, the side extension plate 362 is located at the top end of the side clamping part 352 and is deviated to one side of the center of the supporting disc 23, the tension spring 363 is sleeved on the key shaft guide rod 361 and has two ends welded between the lower end of the side extension plate 362 and the inner end face of the U-shaped internal groove of the side clamping part 352, the pressing roller 364 is horizontally and rotatably installed on the side extension plate 362 at one side position deviated to the center of the supporting disc 23, the pressure roller 364 can roll against the valve body flange end face as clamping progresses);
the center of the supporting disc 23 is provided with a center hole 231, the clamping mechanism 3 further comprises a center cylinder 31, a torsion shaft 32, a torsion member 33 and connecting rods 34, the center cylinder 31 is welded at the center position of the upper end of the supporting disc 23, the torsion shaft 32 comprises a torsion handle 321 and a shaft rod 322 with a center shaft penetrating through the center of the supporting disc 23, the shaft rod 322 vertically penetrates through the center hole 231, the shaft rod 322 comprises a screw rod portion 3221 and a key shaft portion 3222, the screw rod portion 3221 is in threaded fit connection with the center cylinder 31, the torsion handle 321 is welded at the top end of the screw rod portion 3221, the torsion member 33 is positioned below the supporting disc 23 and is rotatably arranged on the rotation cylinder 21, the rotation center shaft of the torsion member 33 is overlapped with the rotation center shaft of the rotation cylinder 21, the key shaft portion 3222 is in vertical sliding fit with the torsion member 33, the torsion member 33 is hinged with the four connecting rods 34, the hinging shafts of the four connecting rods 34 on, the torsion component 33 comprises a rotary part 331 and a connecting rod connecting part 332, the rotary part 331 is rotatably arranged on the rotary cylinder 21, a key shaft part 3222 vertically penetrates through the center of the connecting rod connecting part 332 and is in sliding fit with the connecting rod connecting part 332, and one end of each of four connecting rods 34 is hinged on the connecting rod connecting part 332; the other ends of the four connecting rods 34 are hinged to the four slider portions 351 in a one-to-one correspondence.
When the cast valve body is turned, the flange end surfaces on the two sides of the valve body are in a planar state, the jig device is fixed on the table surface of a drilling machine, and when the auxiliary drilling is performed by the jig device provided by the invention, in a state that the positioning pin 111 is inserted into one of the positioning round holes 233 (the rotation freedom degree of the rotary table 2 is limited by the positioning pin 111, so that the rotary table 2 cannot rotate), the flange end surface on one side of the valve body is horizontally placed on the end surface of the bearing disc 23, so that the valve body is positioned between the four side clamping blocks 35, then the torsion handle 321 is held to rotate the torsion shaft 32, the key shaft portion 3222 vertically slides along the connecting rod connecting portion 332 by torsion, on the other hand, the key shaft portion 3222 drives the connecting rod connecting portion 332 to rotate the whole torsion component 33 on the rotary cylinder 21, the four connecting rods 34 are driven to move along with the rotation of the torsion component 33, and the four connecting rods 34 correspondingly pull the four side clamping blocks The valve body flange end face pressing mechanism comprises a nearly sliding mechanism, when a pressing roller 364 approaches to the end face of a valve body upper end flange end face, four pressing rollers 364 are pressed to the end face of the valve body upper end flange end face, then a torsion shaft 32 is continuously rotated, then four side clamping blocks 35 are in clamping contact with the valve body side end, on one hand, the side end of the valve body is clamped through the matching of the four side clamping blocks 35 through a clamping mechanism 3, the center of the valve body flange is overlapped with the center of a bearing disc 23, so that the positioning centering is realized, and on the other hand, the pressing of the valve body flange end face is realized through the matching of the four pressing rollers; the valve body and the rotary table 2 form a rotary whole by clamping and fixing the clamping mechanism 3, so that the drilling positions of the flange holes can be quickly determined by the eight positioning round holes 233 uniformly distributed on the circumference, and the accuracy of the drilling positions and the drilling efficiency can be greatly improved.
The base 1 is provided with a positioning pin assembly 11 matched with the positioning round hole 233; the positioning pin assembly 11 comprises a positioning pin 111 and a return spring 112 which are matched with the positioning round holes 233, the positioning pin 111 is vertically arranged on the base 1 in a sliding mode, a connecting ring 1111 is arranged on the positioning pin 111, a drawing handle 1112 is arranged at the bottom end of the positioning pin 111, the return spring 112 is sleeved on the positioning pin 111, two ends of the return spring 112 are welded between the connecting ring 1111 and the upper end face of the base 1, and when any positioning round hole 233 is aligned with the positioning pin 111, the positioning pin 111 is inserted into the positioning round hole 233.
During actual drilling processing, can restrict revolving stage 2 unable rotation through locating pin 111 to valve body after pressing from both sides tightly can realize the rigidity and be convenient for drill processing, stir revolving stage 2, through holding pull handle 1112 pull locating pin 111 and switch in proper order and insert in every location round hole 233, thereby can be fast accurate location switch valve body flange hole's drilling position, and can accomplish in proper order and get the brill in every flange hole, made things convenient for the drilling location and improved machining efficiency.
Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.
The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.
Claims (6)
1. A valve body forming finish machining process of a valve is characterized in that: the processing technology specifically comprises the following steps:
s1, forming of the valve body: the valve body of the valve is processed and formed in a molding mode of casting molding;
s2, turning: turning the flow passage and the end surface of the valve body after casting and molding;
s3, drilling: under the assistance of the drilling jig device for drilling the flange end faces of the valve body, drilling processing is carried out on the flange end faces on the two sides of the valve body;
s4, surface painting: spraying surface paint on the outer surface of the end face of the division flange on the valve body of the valve;
s5, standing and drying: standing and drying the valve body after the paint spraying treatment;
adopt the valve body shaping finish machining process of above-mentioned step S1-S5 still concretely relates to the in-process of valve body processing to the valve body foretell valve body flange terminal surface drilling jig device, including base (1), revolving stage (2) and clamping mechanism (3), wherein:
the rotating platform (2) comprises a rotating cylinder (21) vertically and rotatably arranged on the base (1), a plurality of upright columns (22) fixedly connected to the top end of the rotating cylinder (21) and bearing disks (23) horizontally and fixedly arranged on the top ends of the upright columns (22), the central axis of each bearing disk (23) is superposed with the central axis of the rotating cylinder (21), four rectangular guide holes (232) are uniformly distributed on each bearing disk (23) relative to the central circumference of the bearing disk, the extension lines of the connection lines of the middle points of the two short sides of each guide hole (232) pass through the center of each bearing disk (23), and a plurality of positioning round holes (233) are equidistantly distributed on each bearing disk (23) relative to the central circumference of each bearing disk;
a positioning pin assembly (11) matched with the positioning round hole (233) is arranged on the base (1);
the clamping mechanism (3) comprises four side clamping blocks (35) which are arranged at the four guide holes (232) in a one-to-one correspondence manner and four pressing assemblies (36) which are arranged on the four side clamping blocks (35) in a one-to-one correspondence manner; the side clamping block (35) comprises a sliding part and a side clamping part (352) integrally formed with the sliding part, the sliding part penetrates through the guide hole (232) and is in sliding fit with the guide hole (232), the side clamping part (352) is U-shaped and is located above the bearing disc (23), the pressing component (36) comprises a key shaft guide rod (361), a side extension plate (362), a tension spring (363) and a pressing roller (364), the key shaft guide rod (361) extends into a U-shaped inner groove of the side clamping part (352) and is in vertical sliding fit with the sliding part, the side extension plate (362) is horizontally and fixedly installed at the top end of the key shaft guide rod (361), the side extension plate (362) is located at the top end of the side clamping part (352) and deviates to one side of the center of the bearing disc (23), the tension spring (363) is sleeved on the key shaft guide rod (361) and two ends of the tension spring are connected between the lower end of the side extension plate (362) and the U-shaped inner groove surface of the side clamping part (352), the pressing roller (364) is horizontally and rotatably arranged on the side extending plate (362) and is deviated to one side of the center of the bearing disc (23), and the central shaft of the pressing roller (364) is vertical to the long side of the guide hole (232) at the position.
2. The valve body forming and finishing process of claim 1, wherein: the center of the bearing disc (23) is provided with a center hole (231), the clamping mechanism (3) further comprises a center barrel (31), a torsion shaft (32), a torsion part (33) and a connecting rod (34), the center barrel (31) is fixedly installed at the center of the upper end of the bearing disc (23), the torsion shaft (32) comprises a shaft rod (322) with a center shaft penetrating through the center of the bearing disc (23), the shaft rod (322) vertically penetrates through the center hole (231), the shaft rod (322) comprises a screw rod part (3221) and a key shaft part (3222), the screw rod part (3221) is in threaded fit connection with the center barrel (31), the torsion part (33) is located below the bearing disc (23) and is rotatably arranged on the rotary barrel (21), and the rotation center shaft of the torsion part (33) is superposed with the rotation center shaft of the rotary barrel (21), the key shaft part (3222) is vertically matched with the twisting part (33) in a sliding mode, the twisting part (33) is hinged with four connecting rods (34), hinged shafts of the four connecting rods (34) on the twisting part (33) are distributed on the circumferential direction of the twisting part (33) at equal intervals, and the other ends of the four connecting rods (34) are in one-to-one correspondence with the four sliding block parts (351) in a hinged mode.
3. The valve body forming and finishing process of claim 2, wherein: the torsion component (33) comprises a rotating part (331) and a connecting rod connecting part (332), the rotating part (331) is rotatably arranged on the rotating cylinder (21), the key shaft part (3222) vertically penetrates through the center of the connecting rod connecting part (332) and is in sliding fit with the connecting rod connecting part, and one end of each of the four connecting rods (34) is hinged to the connecting rod connecting part (332).
4. The valve body forming and finishing process of claim 2, wherein: the torsion shaft (32) further comprises a torsion handle (321), and the torsion handle (321) is fixedly connected to the top end of the screw rod part (3221).
5. The valve body forming and finishing process of claim 1, wherein: locating pin subassembly (11) include with locating round hole (233) complex locating pin (111) and reset spring (112), locating pin (111) vertical slip sets up on base (1), be provided with clamping ring (1111) on locating pin (111), reset spring (112) cover is established on locating pin (111), just reset spring (112) both ends are connected clamping ring (1111) with between base (1) the up end, arbitrary locating round hole (233) with locating pin (111) are to the time, locating pin (111) insert in this locating round hole (233).
6. The valve body forming and finishing process of claim 5, wherein: the bottom end of the positioning pin (111) is provided with a drawing handle (1112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110227257.0A CN112809326A (en) | 2021-03-01 | 2021-03-01 | Valve body forming and finish machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110227257.0A CN112809326A (en) | 2021-03-01 | 2021-03-01 | Valve body forming and finish machining process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112809326A true CN112809326A (en) | 2021-05-18 |
Family
ID=75862614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110227257.0A Withdrawn CN112809326A (en) | 2021-03-01 | 2021-03-01 | Valve body forming and finish machining process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112809326A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263329A (en) * | 2021-07-19 | 2021-08-17 | 江苏特塑新能源科技有限公司 | Drilling machining equipment for manufacturing motor base |
| CN116810283A (en) * | 2023-07-19 | 2023-09-29 | 杭州文林机械有限公司 | Quick clamping tool for valve finish machining |
-
2021
- 2021-03-01 CN CN202110227257.0A patent/CN112809326A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113263329A (en) * | 2021-07-19 | 2021-08-17 | 江苏特塑新能源科技有限公司 | Drilling machining equipment for manufacturing motor base |
| CN116810283A (en) * | 2023-07-19 | 2023-09-29 | 杭州文林机械有限公司 | Quick clamping tool for valve finish machining |
| CN116810283B (en) * | 2023-07-19 | 2024-02-27 | 杭州文林机械有限公司 | Quick clamping tool for valve finish machining |
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| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210518 |
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| DD01 | Delivery of document by public notice |