CN112621293A - Valve core hole machining tool of V-shaped ball valve and machining method thereof - Google Patents
Valve core hole machining tool of V-shaped ball valve and machining method thereof Download PDFInfo
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- CN112621293A CN112621293A CN202011498725.XA CN202011498725A CN112621293A CN 112621293 A CN112621293 A CN 112621293A CN 202011498725 A CN202011498725 A CN 202011498725A CN 112621293 A CN112621293 A CN 112621293A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
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Abstract
The invention discloses a V-shaped ball valve core hole processing tool and a processing method thereof, wherein the V-shaped ball valve core hole processing tool comprises: a base plate (7) for mounting on a chuck of a machine tool; the support seat (6) is arranged on the bottom plate (7), and the support seat (6) is provided with a support surface (611) which is in fit contact with a V-shaped opening surface (42) of the valve core (4) of the V-shaped ball valve; a pressing device for pressing the valve element (4) against the support surface (611), which pressing device is arranged on the base plate (7). The V-shaped ball valve core hole machining tool provided by the invention improves the machining accuracy.
Description
Technical Field
The invention relates to the technical field of ball valve machining equipment, in particular to a V-shaped ball valve core hole machining tool and a machining method thereof.
Background
The valve core (sphere) of the V-shaped ball valve is provided with a V-shaped notch, and the valve core is adjusted by the valve rod to realize flow adjustment. Wherein, in order to improve the regulation precision, valve rod and case are connected, consequently, the both ends of case all have the case hole, and wherein, the case hole of the one end (spline end) of case generally is the spline hole, and the case hole of the other end of case sets up the unthreaded hole.
The valve core hole of the V-shaped ball valve is processed by roughly drilling a hole and then positioning the hole. The outer surface of the valve core needs to be clamped in the process of machining the valve core hole, the outer surface of the valve core is a blank surface, the relative position size of the valve core is unstable, defective products are easy to generate in machining, machining accuracy of the valve core hole is affected, and quality is unstable.
Therefore, how to improve the processing accuracy is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the invention provides a tool for machining a valve core hole of a V-shaped ball valve, so as to improve machining accuracy. The invention also provides a method for machining the valve core hole of the V-shaped ball valve.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a V type ball valve case spot facing work frock, includes:
a base plate for mounting on a chuck of a machine tool;
the support seat is arranged on the bottom plate and is provided with a support surface which is in matched contact with a V-shaped opening surface of a valve core of the V-shaped ball valve;
and the pressing device is used for extruding the valve core to the supporting surface and is arranged on the bottom plate.
Optionally, in the V-shaped ball valve core hole machining tool, the support seat includes a support portion for supporting the valve core and a connection portion connected to the bottom plate;
the side surface of the supporting part is provided with a cutting surface formed by cutting according to the V-shaped opening surface of the valve core, and the cutting surface is the supporting surface.
Optionally, in the above V-shaped ball valve core hole processing tool, the bottom plate has a groove structure, and the support portion is located and disposed in the groove structure.
Optionally, in the above V-shaped ball valve core hole machining tool, the groove structure is in clearance fit with the support portion.
Optionally, in the V-shaped ball valve core hole machining tool, the support portion is provided with a first mounting hole, and the bottom plate is provided with a first threaded hole;
the first mounting screw penetrates through the first mounting hole and is in threaded fit connection with the first threaded hole.
Optionally, in the above V-shaped ball valve core hole machining tool, the pressing device includes:
the pressing plate is fixedly arranged on the bottom plate, and a second threaded hole is formed in the pressing plate;
and the fastening screw is in threaded fit with the second threaded hole, and one end of the fastening screw, which is used for being in contact with the valve core, is a compression end.
Optionally, in the above tooling for machining the valve core hole of the V-shaped ball valve, the number of the fastening screws is at least two.
Optionally, in the tool for machining the valve core hole of the V-shaped ball valve, the pressing device further includes an elastic pad located between the head of the fastening screw and the pressing plate.
Optionally, in the V-shaped ball valve core hole processing tool, the pressure plate includes a pressure plate main body and connecting blocks arranged on two sides of the pressure plate main body;
the second threaded hole is formed in the pressing plate main body;
a second mounting hole is formed in the connecting block, and a third threaded hole is formed in the bottom plate;
the pressing device further comprises a second mounting screw, and the second mounting screw penetrates through the second mounting hole and is in threaded fit connection with the third threaded hole.
Optionally, in the above-mentioned V-shaped ball valve core hole processing tool, the bottom plate includes:
the mounting disc is provided with the supporting seat and the pressing device;
and the clamping part is used for being installed on a chuck of a machine tool and is positioned on one surface of the installation disc, which faces away from the supporting seat and the pressing device.
The invention also provides a method for machining the valve core hole of the V-shaped ball valve, which is applied to the tool for machining the valve core hole of the V-shaped ball valve, and comprises the following steps:
assembling and installing the V-shaped ball valve core hole machining tool on a chuck of a machine tool;
installing a valve core of a V-shaped ball valve on the valve core hole machining tool of the V-shaped ball valve, enabling a V-shaped opening surface of the valve core to be in matched contact with a supporting surface of the supporting seat, and extruding the valve core to the supporting surface by the pressing device;
and processing a valve core hole on the valve core.
Optionally, in the method for machining a valve core hole of the V-shaped ball valve, machining the valve core hole of the valve core includes:
processing a first end valve core hole at one end of the valve core;
the valve core is disassembled from the valve core hole machining tool of the V-shaped ball valve, and the direction of the valve core is turned, so that the end part of the valve core, which is used for machining the first end valve core hole, is close to the bottom plate and is arranged on the valve core hole machining tool of the V-shaped ball valve;
and processing a second end valve core hole at the other end of the valve core.
According to the technical scheme, the V-shaped opening surface of the valve core is used as a positioning reference, the V-shaped opening surface of the valve core is in fit contact with the supporting surface of the supporting seat, the valve core is extruded to the supporting surface through the pressing device, the positioning effect of the valve core on the V-shaped ball valve core hole machining tool is ensured, and after the bottom plate is installed on a chuck of a machine tool, the valve core hole can be directly machined at the end part of the valve core. Because the accuracy of the V-shaped opening surface of the valve core is high (higher than the outer surface of the valve core on the blank surface), the stability of the position of the valve core relative to a machine tool is effectively improved, the relative position size of the valve core is stable, the processing accuracy of a valve core hole is effectively improved, and the quality of the valve core of the V-shaped ball valve is stable.
The invention also provides a method for processing the valve core hole of the V-shaped ball valve, and the tool for processing the valve core hole of the V-shaped ball valve has the technical effects, so the method for processing the valve core hole of the V-shaped ball valve with the tool for processing the valve core hole of the V-shaped ball valve also has the same technical effects, and the description is not repeated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a V-shaped ball valve core hole machining tool according to an embodiment of the present invention;
fig. 2 is a schematic side view of a V-shaped ball valve core hole machining tool provided in the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a base plate according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a support seat according to an embodiment of the present invention;
FIG. 5 is a front view of the valve core;
FIG. 6 is a schematic cross-sectional view of the valve cartridge;
fig. 7 is a schematic structural diagram of a pressure plate according to an embodiment of the present invention.
Detailed Description
The invention discloses a V-shaped ball valve core hole machining tool, which aims to improve machining accuracy. The invention also provides a method for machining the valve core hole of the V-shaped ball valve.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, an embodiment of the present invention provides a V-shaped ball valve core hole machining tool, which includes a bottom plate 7, a support seat 6 and a pressing device. The supporting seat 6 and the pressing device are arranged on the bottom plate 7. The support seat 6 has a support surface 611 which is in fitting contact with the V-shaped opening surface 42 of the valve element 4 of the V-shaped ball valve. The pressing means serves to press the valve element 4 against the support surface 611. The base plate 7 is intended to be mounted on a chuck of a machine tool.
According to the tool for machining the valve core hole of the V-shaped ball valve, the V-shaped opening surface 42 of the valve core 4 is used as a positioning reference, the V-shaped opening surface 42 of the valve core 4 is in fit contact with the supporting surface 611 of the supporting seat 6, the valve core 4 is pressed to the supporting surface 611 through the pressing device, the positioning effect of the valve core 4 on the tool for machining the valve core hole of the V-shaped ball valve is ensured, and after the bottom plate 7 is installed on a chuck of a machine tool, the valve core hole can be directly machined at the end part of the valve core 4. Because the accuracy of the V-shaped opening surface 42 of the valve core 4 is high (higher than the outer surface 43 of the valve core of the blank surface), the stability of the position of the valve core 4 relative to a machine tool is effectively improved, the relative position size of the valve core is stable, the processing accuracy of a valve core hole is effectively improved, and the quality of the valve core of the V-shaped ball valve is stable.
In the prior art, when a valve core hole is machined, the valve core of the V-shaped ball valve needs to be clamped for many times, and the machining of the valve core hole can be completed. The tool for machining the valve core hole of the V-shaped ball valve provided by the embodiment of the invention can complete machining of the valve core hole on the side, opposite to the bottom plate 7, of the valve core 4 only by replacing a machining tool (such as a drill bit or a machining blade), so that the operation of clamping the valve core for multiple times is avoided, the labor intensity for machining the valve core hole is effectively reduced, and the machining time is saved.
As shown in fig. 2 and 4, the support seat 6 includes a support portion 61 for supporting the valve element 4 and a connecting portion 62 connected to the bottom plate 7; the side surface of the support portion 61 has a cut surface cut in accordance with the V-shaped opening of the valve body 4, and the cut surface is a support surface 611. Wherein, the cutting plane includes two planes that are certain contained angle setting, and the contained angle in two planes is formed by the V type opening cutting of imitative case 4. Through the arrangement, the positioning precision is further improved. In addition, the connecting part 62 of the supporting seat 6 is connected with the bottom plate 7, so that the supporting seat 6 is convenient to connect with the base 7, and the positioning of the valve core 4 relative to the supporting seat 6 is not hindered.
As shown in fig. 3, the bottom plate 7 has a groove 711, and the supporting portion 61 is positioned in the groove 711. That is, the groove bottom surface and the inner wall of the groove structure 711 exert a certain constraint effect on the support portion 61, so that the position accuracy of the support seat 6 arranged on the base 7 is improved, the positioning is facilitated, and the assembling operation is also facilitated.
Further, the groove structures 711 are clearance-fitted with the support portions 61. In this embodiment, supporting part 61 is cylindric structure, and groove structure 711 is circular recess, has made things convenient for the basis of relative installation on, has improved the rotational stability of the in-process V type ball valve case hole processing frock in processing case hole. Preferably, groove structure 711 has a clearance fit with support portion 61 of dimension H7/H6. Of course, the inner wall of the groove structure 711 may be interference-fitted with the outer wall of the supporting portion 61.
As shown in fig. 2, 3 and 4, the support portion 61 is provided with a first mounting hole 621, and the base plate 7 is provided with a first screw hole 712. The tool for machining the valve core hole of the V-shaped ball valve further comprises a first mounting screw 5, and the first mounting screw 5 penetrates through the first mounting hole 621 and is in threaded fit connection with the first threaded hole 712. Through the arrangement, the bottom plate 7 is connected with the supporting seat 6 through the first mounting screw 5, and the connecting effect is effectively improved.
The relative disassembly of the bottom plate 7 and the supporting seat 6 is also facilitated. When valve core holes are processed on valve cores of V-shaped ball valves of different models, one bottom plate 7 can be used universally, and only the supporting seat 6 with the supporting surface 611 matched with the V-shaped opening surface of the valve core 4 needs to be replaced. Namely, the V-shaped ball valve core hole machining tool can be provided with a plurality of supporting seats 6, and the supporting surfaces 611 of the supporting seats 6 can be different, so that the valve cores of V-shaped ball valves of different models can be matched, and the universality of the V-shaped ball valve core hole machining tool is effectively improved.
As shown in fig. 1, 2 and 7, the pressing device includes a pressing plate 3 and a fastening screw 1. The pressing plate 3 is fixedly arranged on the bottom plate 7, and a second threaded hole 34 is formed in the pressing plate 3; the fastening screw 1 is in threaded fit with the second threaded hole 34, and one end of the fastening screw 1, which is used for being in contact with the valve core 4, is a compression end. By rotating the fastening screw 1 in the normal direction with respect to the second screw hole 34, the pressing end of the fastening screw 1 moves along the valve body outer surface 43 close to the valve body 4, and the operation of pressing the valve body 4 against the support surface 611 is completed. When the valve core 4 needs to be detached from the V-shaped ball valve core hole machining tool, the fastening screw 1 rotates reversely relative to the second threaded hole 34, so that the pressing end of the fastening screw 1 moves along the outer surface 43 of the valve core far away from the valve core 4. The forward rotation may be in a left-handed direction or a right-handed direction. The reverse rotation is opposite to the rotation direction of the forward rotation.
In the tool for machining the valve core hole of the V-shaped ball valve in the embodiment, the number of the fastening screws 1 is at least two. The positioning effect of the valve core 4 is further improved through the operation of extruding the valve core 4 at multiple points. In this embodiment, the number of the pressing plate 3 is one, and two fastening screws 1 are provided thereon. At least two pressing plates 3 can also be arranged, so that the pressing plates 3 correspond to the fastening screws 1 one by one, that is, one pressing plate 3 has one second threaded hole 34, and the fastening screw 1 is arranged on the second threaded hole 34.
In the present embodiment, the fastening screw 1 is preferably a socket head cap screw.
In order to improve the stability of the fastening screw 1, the compression device further comprises a spring washer 8 between the head of the fastening screw 1 and the pressure plate 3.
As shown in fig. 3 and 7, the pressing plate 3 includes a pressing plate main body 32 and connecting blocks 31 disposed at both sides of the pressing plate main body 32; the second screw hole 34 is provided on the platen main body 32; a second mounting hole 33 is formed in the connecting block 31, and a third threaded hole 714 is formed in the bottom plate 7; the pressing device further comprises a second mounting screw 2, and the second mounting screw 2 penetrates through the second mounting hole 33 and is in threaded fit connection with the third threaded hole 714. Through the arrangement, the assembling operation of the pressing plate 3 and the bottom plate 7 is facilitated, and the independent maintenance or replacement of the pressing plate 3 and the bottom plate 7 is also facilitated.
In the tool for machining the valve core hole of the V-shaped ball valve provided by the embodiment of the invention, the bottom plate 7 comprises an installation plate 71 and a clamping part 72. The mounting disc 71 is provided with a supporting seat 6 and a pressing device; the clamping portion 72 is used for mounting on a chuck of a machine tool, and the clamping portion 72 is located on a surface of the mounting plate 71 opposite to the support base 6 and the pressing device. Wherein, the clamping jaw on the chuck of the machine tool can be a soft jaw. In this embodiment, the mounting plate 71 and the clamping portion 72 are both cylindrical, and the axes of the mounting plate 71 and the clamping portion 72 are coincident with each other. Through the above arrangement, the clamping part 72 is arranged on the chuck of the machine tool, so that the bottom plate 7 and the chuck of the machine tool are clamped in the same diameter, the flatness is ensured, and the requirement of radial run-out is met.
The embodiment of the invention also provides a method for processing the valve core hole of the V-shaped ball valve, which is applied to any one of the V-shaped ball valve core hole processing tools and comprises the following steps:
assembling and installing a V-shaped ball valve core hole machining tool on a chuck of a machine tool;
installing a valve core 4 of the V-shaped ball valve on a valve core hole machining tool of the V-shaped ball valve, enabling a V-shaped opening surface of the valve core 4 to be in matched contact with a supporting surface 611 of the supporting seat 6, and enabling the pressing device to press the valve core 4 to the supporting surface 611;
and (4) processing a valve core hole on the valve core 4.
The embodiment of the invention also provides a method for processing the valve core hole of the V-shaped ball valve, and as the tool for processing the valve core hole of the V-shaped ball valve has the technical effects, the method for processing the valve core hole of the V-shaped ball valve with the tool for processing the valve core hole of the V-shaped ball valve also has the same technical effects, and the method is not described in detail herein.
Further, in the method for processing the valve core hole of the V-shaped ball valve provided by the embodiment of the present invention, the processing of the valve core hole of the valve core 4 includes:
processing a first end valve core hole at one end of the valve core 4; wherein, when processing the first end valve core hole, select suitable processing tool (such as dabber, drill bit or blade etc.).
The valve core 4 is disassembled from the valve core hole machining tool of the V-shaped ball valve, and the direction of the valve core 4 is turned, so that the end part of the valve core hole of the first end machined by the valve core 4 is close to the bottom plate 7 and is arranged on the valve core hole machining tool of the V-shaped ball valve;
and processing a second end valve core hole at the other end of the valve core 4. When the second end valve core hole is machined, a proper machining tool (such as a mandrel, a drill bit or a blade) is replaced.
As shown in fig. 6, it can be appreciated that one of the first and second end spool bores is a splined bore 41 and the other of the first and second end spool bores is a smooth bore 44.
Through the setting, when the valve core 4 is processed, the first end valve core hole and the second end valve core hole are processed, the bottom plate 7 does not need to be detached from a chuck of a machine tool when the processing of one valve core hole is completed, the valve core 4 only needs to be detached from a V-shaped ball valve core hole processing tool and then installed, the needed mandrel is replaced, and another valve core hole can be processed. The operation arrangement is effectively simplified, the processing efficiency is improved, and the labor intensity is further reduced.
In the embodiment, the bottom plate 7 is made of 45# steel, HRC35-40 is subjected to heat treatment according to GB/T699-88 standard, and the relative position degree is ensured when clamping claws (soft claws) of the chuck are installed. As shown in fig. 3.
Wherein, the supporting seat 6 adopts 45# steel, HRC35-40 is subjected to heat treatment according to GB/T699-88 standard, and the installation guarantees the verticality and the related position degree. As shown in fig. 4.
The press plate 3 is made of 20# steel, the carburization depth is 0.8-1.2 and the HRC58-64 according to the GB/T699-88 standard, and the perpendicularity and the related position degree are ensured by installation. As shown in fig. 7.
The screws (the first mounting screw 5, the fastening screw 1 and the second mounting screw 2) are firmly connected, and the torque transmission is ensured. Preferably, the first and second mounting screws 5, 2 are M6 screws. The fastening screw 1 is an M8 screw. Other sizes of the screws may be provided.
Also, note the rust protection of the parts and associated lubrication. The bottom plate 7, the supporting seat 6 and the pressing plate 3 are subjected to quenching and tempering and heat treatment, so that the material can be ensured to have better performance.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (12)
1. The utility model provides a V type ball valve case spot facing work frock which characterized in that includes:
a base plate (7) for mounting on a chuck of a machine tool;
the support seat (6) is arranged on the bottom plate (7), and the support seat (6) is provided with a support surface (611) which is in fit contact with a V-shaped opening surface (42) of the valve core (4) of the V-shaped ball valve;
a pressing device for pressing the valve element (4) against the support surface (611), which pressing device is arranged on the base plate (7).
2. The tooling for machining the valve core hole of the V-shaped ball valve according to claim 1, wherein the support seat (6) comprises a support part (61) for supporting the valve core (4) and a connecting part (62) connected with the bottom plate (7);
the side surface of the supporting part (61) is provided with a cutting surface formed by cutting according to a V-shaped opening surface (42) of the valve core (4), and the cutting surface is the supporting surface (611).
3. The tooling for machining the valve core hole of the V-shaped ball valve according to claim 2, wherein a groove structure (711) is arranged on the bottom plate (7), and the supporting part (61) is positioned and arranged in the groove structure (711).
4. The tooling for machining the valve core hole of the V-shaped ball valve according to claim 3, wherein the groove structure (711) is in clearance fit with the supporting part (61).
5. The tooling for machining the valve core hole of the V-shaped ball valve according to claim 2, wherein a first mounting hole (621) is formed in the supporting portion (61), and a first threaded hole (712) is formed in the bottom plate (7);
the fixing device further comprises a first mounting screw (5), and the first mounting screw (5) penetrates through the first mounting hole (621) and is in threaded fit connection with the first threaded hole (712).
6. The tooling for machining the hole of the valve core of the V-shaped ball valve according to claim 1, wherein the compressing device comprises:
the pressing plate (3) is fixedly arranged on the bottom plate (7), and a second threaded hole (34) is formed in the pressing plate (3);
and the fastening screw (1) is in threaded fit with the second threaded hole (34), and one end, which is used for being contacted with the valve core (4), of the fastening screw (1) is a pressing end.
7. The tooling for machining the valve core hole of the V-shaped ball valve according to claim 6, wherein the number of the fastening screws (1) is at least two.
8. The V-shaped ball valve core hole machining tool according to claim 6, wherein the compressing device further comprises an elastic pad (8) located between the head of the fastening screw (1) and the pressure plate (3).
9. The tooling for machining the valve core hole of the V-shaped ball valve according to claim 6, wherein the pressure plate (3) comprises a pressure plate main body (32) and connecting blocks (31) arranged on two sides of the pressure plate main body (32);
the second threaded hole (34) is arranged on the pressure plate main body (32);
a second mounting hole (33) is formed in the connecting block (31), and a third threaded hole (714) is formed in the bottom plate (7);
the pressing device further comprises a second mounting screw (2), and the second mounting screw (2) penetrates through the second mounting hole (33) and is in threaded fit connection with the third threaded hole (714).
10. The V-shaped ball valve core hole machining tool according to any one of claims 1 to 9, wherein the bottom plate (7) comprises:
a mounting plate (71) provided with the support seat (6) and the pressing device;
the clamping part (72) is used for being installed on a chuck of a machine tool, and the clamping part (72) is located on one surface, facing away from the supporting seat (6) and the pressing device, of the installation disc (71).
11. A method for machining a valve core hole of a V-shaped ball valve, which is characterized by applying the tool for machining the valve core hole of the V-shaped ball valve according to any one of claims 1 to 10, and comprises the following steps:
assembling and installing the V-shaped ball valve core hole machining tool on a chuck of a machine tool;
installing a valve core (4) of a V-shaped ball valve on the valve core hole machining tool of the V-shaped ball valve, enabling a V-shaped opening surface (42) of the valve core (4) to be in matched contact with a supporting surface (611) of the supporting seat (6), and enabling the pressing device to press the valve core (4) to the supporting surface (611);
and machining a valve core hole of the valve core (4).
12. The V-shaped ball valve spool hole machining method according to claim 11, wherein the spool hole machining of the spool (4) includes:
processing a first end valve core hole at one end of the valve core (4);
the valve core (4) is disassembled from the V-shaped ball valve core hole machining tool, and the direction of the valve core (4) is turned, so that the end part of the valve core (4) for machining the first end valve core hole is close to the bottom plate (7) and is installed on the V-shaped ball valve core hole machining tool;
and processing a second end valve core hole at the other end of the valve core (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498725.XA CN112621293A (en) | 2020-12-17 | 2020-12-17 | Valve core hole machining tool of V-shaped ball valve and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011498725.XA CN112621293A (en) | 2020-12-17 | 2020-12-17 | Valve core hole machining tool of V-shaped ball valve and machining method thereof |
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| CN112621293A true CN112621293A (en) | 2021-04-09 |
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| CN202011498725.XA Pending CN112621293A (en) | 2020-12-17 | 2020-12-17 | Valve core hole machining tool of V-shaped ball valve and machining method thereof |
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| EP0037712A2 (en) * | 1980-04-02 | 1981-10-14 | Peter Charles Buyskes Abrahams | Machining jig |
| EP0471827A1 (en) * | 1990-03-02 | 1992-02-26 | Proprietary Main Inc | Positioning fixture. |
| CN202240574U (en) * | 2011-09-19 | 2012-05-30 | 天津精通控制仪表技术有限公司 | Special clamping fixture for machining valve core shaft hole of V-shaped ball valve |
| CN103722424A (en) * | 2013-12-23 | 2014-04-16 | 重庆布莱迪仪器仪表有限公司 | Machining tool for valve spools of eccentric hemisphere valves |
| CN204308621U (en) * | 2014-12-12 | 2015-05-06 | 河南盛誉实业有限公司 | A kind of semisphere valve hemisphere drilling tool |
| CN205852323U (en) * | 2016-07-26 | 2017-01-04 | 浙江中控流体技术有限公司 | A kind of frock clamp of V-type ball valve core |
| CN207710329U (en) * | 2017-11-30 | 2018-08-10 | 天津宝恒流体控制设备股份有限公司 | A kind of fixture for processing V-type ball valve core shaft hole |
| CN210755208U (en) * | 2019-10-28 | 2020-06-16 | 西安泵阀总厂有限公司 | Spheroid processing frock of V type hemisphere valve |
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Application publication date: 20210409 |