CN111002078A - Tool for lathe machining of valve body - Google Patents
Tool for lathe machining of valve body Download PDFInfo
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- CN111002078A CN111002078A CN201911362486.2A CN201911362486A CN111002078A CN 111002078 A CN111002078 A CN 111002078A CN 201911362486 A CN201911362486 A CN 201911362486A CN 111002078 A CN111002078 A CN 111002078A
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- workpiece
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- valve body
- plate
- positioning
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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
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The invention discloses a tool for lathe machining of a valve body, and belongs to the technical field of valve body machining devices. The frock includes the body, and the one end and the switching dish of body are connected, and the switching dish is fixed on the lathe main shaft, and the work piece is located the inside of body. A positioning plate for fixing the workpiece is arranged between the bottom end of the workpiece and the inner side surface of the body, a positioning sleeve having a positioning effect on the workpiece is arranged on the upper surface of the positioning plate, one end of the positioning plate is connected with the body through a pressing plate, and the other end of the positioning plate is tightly pressed on the adapter plate under the effect of the pressing plate. A balancing weight is arranged between the top of the workpiece and the inner side surface of the body, and a jacking piece for tightly pressing the balancing weight on the workpiece is arranged on the side wall of the body. The tool for lathe machining of the valve body with the structure can solve the problem that the precision of the valve body is difficult to control in the machining process, and can realize quick positioning of a workpiece.
Description
Technical Field
The invention relates to the technical field of valve body machining devices, in particular to a tool for lathe machining of a valve body.
Background
The valve body is a main part in the valve, and the valve body, the valve core and the valve seat sealing ring form a seal and can effectively bear medium pressure. The precision requirement of the center distance between the sealing surface of the inner cavity of the valve body and the inner hole is IT7-IT9, the roughness is Ra0.4-0.8, the symmetry requirement of the sealing surface of the inner cavity is within 0.05, and the requirement on the processing precision of the valve body is high. The traditional valve body processing method is to clamp one end of the valve body on a chuck on a lathe and mount a center frame at the other end of the valve body for processing, but the valve body is easily affected by the center frame by the processing method, so that the processing precision of the valve body cannot meet the requirement, and the precision of the valve body is difficult to guarantee.
Disclosure of Invention
The invention aims to provide a tool for lathe machining of a valve body, and the tool is used for solving the problem that the precision of the valve body is difficult to control in the machining process.
In order to achieve the purpose, the invention provides a tool for lathe machining of a valve body, which comprises a body, wherein one end of the body is connected with an adapter disc, the adapter disc is fixed on a lathe spindle, and a workpiece is positioned inside the body;
a positioning plate for fixing the workpiece is arranged between the bottom end of the workpiece and the inner side surface of the body, a positioning sleeve having a positioning effect on the workpiece is arranged on the upper surface of the positioning plate, one end of the positioning plate is connected with the body through a pressing plate, and the other end of the positioning plate is tightly propped against the adapter plate under the action of the pressing plate;
a balancing weight is arranged between the top of the workpiece and the inner side surface of the body, and a jacking piece for tightly pressing the balancing weight on the workpiece is arranged on the side wall of the body.
Preferably, the top tightening piece is a top thread, and at least 1 top thread is arranged on the side wall of the body.
Preferably, the positioning plate is provided with a through hole penetrating through the positioning plate, the side wall of the body is provided with a detection hole for detecting the internal size of the workpiece, and the axes of the detection hole, the through hole, the positioning sleeve and the blind hole in the workpiece are on the same straight line.
Preferably, the bottom surface of locating plate includes plane and cambered surface, and the setting in planar both sides of two cambered surface symmetries, cambered surface and the laminating of body internal surface.
Preferably, the positioning plate is provided with fixing holes for fixing the workpiece, and the fixing holes are arranged on two sides of the fixing sleeve; the middle position of the side surface of the positioning plate is provided with a groove for clamping the pressing plate, and the axis of the groove and the axis of the positioning sleeve are in the same plane.
Preferably, the fixing hole is a countersunk hole, and a countersunk screw is inserted into the fixing hole to fixedly connect the workpiece and the positioning plate.
Preferably, one end of the adapter plate is provided with a connecting hole, and the adapter plate is fixedly connected with a main shaft of the lathe through a screw penetrating through the connecting hole; the other end of the switching disc is fixedly connected with one end of the body through a screw.
Preferably, the adapter plate and the body are made of high-quality carbon structural steel, and the hardness is HRC28 or above.
The tool for lathe machining of the valve body with the structure can solve the problem that the precision of the valve body is difficult to control in the machining process, and can realize quick positioning of a workpiece.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of a tool for lathe machining of a valve body according to the invention;
FIG. 2 is a schematic side view of an embodiment of a lathe machining tool for a valve body according to the present invention;
FIG. 3 is a schematic view of a mounting structure of a tool and a workpiece of an embodiment of the tool for lathe machining of a valve body;
FIG. 4 is a schematic structural view of a positioning plate of an embodiment of the tool for lathe machining of the valve body;
fig. 5 is a schematic cross-sectional structure view of a positioning plate of an embodiment of the tool for lathe machining of the valve body.
Reference numerals
1. A switching disk; 2. a body; 3. positioning a plate; 4. pressing a plate; 5. a positioning sleeve; 6. a detection hole; 7. connecting holes; 8. a screw; 9. carrying out top thread; 10. a balancing weight; 11. a workpiece; 12. blind holes; 13. a through hole; 14. a fixing hole; 15. a groove; 16. a plane; 17. and (4) cambered surface.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of a valve body lathe machining tool of the present invention, fig. 2 is a schematic structural diagram of a side view of an embodiment of a valve body lathe machining tool of the present invention, and fig. 3 is a schematic structural diagram of a tool and a workpiece mounting structure of an embodiment of a valve body lathe machining tool of the present invention. As shown in the figure, the tool for lathe machining of the valve body comprises a body 2, wherein the body 2 is of a cylindrical structure. One end of the body 2 is fixedly connected with the adapter plate 1 through a screw 8. One end of the adapter plate 1 is provided with a connecting hole 7, and the adapter plate 1 is fixedly connected with a main shaft of a lathe through a screw 8 penetrating through the connecting hole 7. The adapter plate 1 drives the body 2 to synchronously rotate with a main shaft of the lathe.
The workpiece 11 is disposed within the internal cavity of the body 2. A positioning plate 3 for fixing the workpiece 11 is arranged between the bottom end of the workpiece 11 and the inner side surface of the body 2, a positioning sleeve 5 having a positioning effect on the workpiece 11 is arranged on the upper surface of the positioning plate 3, the diameter of the positioning sleeve 5 is slightly smaller than the aperture of a blind hole 12 in the middle of the workpiece 11, and the workpiece 11 is sleeved on the positioning sleeve 5 through the blind hole 12 to realize the positioning of the positioning plate 3 and the workpiece 11. The positioning plate 3 is provided with fixing holes 14 for fixing the workpiece 11, and the fixing holes 14 are arranged on two sides of the fixing sleeve. Two fixing holes 14 are respectively arranged on two sides of the positioning sleeve 5 in the embodiment. The fixing hole 14 is a countersunk hole, and the countersunk screw 8 is inserted into the fixing hole 14 to fixedly connect the workpiece 11 and the positioning plate 3. Firstly, the workpiece 11 and the positioning plate 3 are assembled and fixed, and then the positioning plate 3 is communicated with the workpiece 11 and is placed into the cavity in the body 2.
Fig. 4 is a schematic structural view of a positioning plate 3 in an embodiment of the tool for lathe machining of the valve body, and fig. 5 is a schematic structural view of a cross section of the positioning plate 3 in an embodiment of the tool for lathe machining of the valve body. The bottom surface of locating plate 3 and the medial surface looks adaptation of body 2 for the bottom surface of locating plate 3 and the medial surface contact of body 2 increase the area of contact of locating plate 3 and body 2, improve the stability of locating plate 3. The bottom surface of the positioning plate 3 in the embodiment comprises a plane 16 and arc surfaces 17, and the two arc surfaces 17 are symmetrically arranged on two sides of the plane 16. The cambered surface 17 is matched with the inner surface of the body 2, so that the cambered surface 17 of the positioning plate 3 is in full contact with the inner surface of the body 2. One end of the positioning plate 3 is provided with a pressing plate 4, and the bottom end of the pressing plate 4 is fixedly connected with the body 2 through a screw 8. The other end of the positioning plate 3 is pressed on the adapter plate 1 by the pressing plate 4, so that the positioning plate 3 is fixed. The thickness of the positioning plate 3 is adjusted to enable the axis of the valve body to coincide with the axis of the lathe spindle; the positioning plate 3 is fully contacted with the body 2 to ensure the straightness of the workpiece 11.
The central position department in side of locating plate 3 is provided with the recess 15 of card establishing clamp plate 4, and the side both sides that clamp plate 4 is close to locating plate 3 are provided with the chamfer for a part of clamp plate 4 near the side of locating plate 3 can be blocked and established in recess 15, realizes the location to locating plate 3. The axis of the groove 15 and the axis of the positioning sleeve 5 are in the same plane 16, and the symmetry degree of the workpiece 11 is ensured by positioning the positioning plate 3 through the pressing plate 4.
Be provided with balancing weight 10 between the top of work piece 11 and the medial surface of body 2, reduce vibrations, guarantee the surface roughness of work piece 11 processing. The side wall of the body 2 is provided with a jacking piece for pressing the balancing weight 10 on the workpiece 11. The top fastening piece is a top thread 9, and at least 1 top thread 9 is arranged on the side wall of the body 2. The jackscrew 9 is 3 in this embodiment, and the jackscrew 9 in middle part is located the axis of work piece 11, and three jackscrews 9 are firm the compressing tightly on work piece 11 with balancing weight 10.
The positioning plate 3 is provided with a through hole 13 penetrating through the positioning plate 3, the side wall of the body 2 is provided with a detection hole 6 for detecting the internal size of the workpiece 11, and the axes of the detection hole 6, the through hole 13, the positioning sleeve 5 and the blind hole 12 are on the same straight line. The detection hole 6 is arranged to facilitate detection of the size of the inside of the workpiece 11.
The adapter plate 1 and the body 2 are made of high-quality carbon structural steel, the hardness is HRC28 or above, the wear resistance of the tool is improved, and the service life of the tool is prolonged.
Therefore, the tool for lathe machining of the valve body with the structure can solve the problem that the precision of the valve body is difficult to control in the machining process, and can realize quick positioning of a workpiece.
The above is a specific embodiment of the present invention, but the scope of the present invention should not be limited thereto. Any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention, and therefore, the protection scope of the present invention is subject to the protection scope defined by the appended claims.
Claims (8)
1. The utility model provides a frock is used in valve body lathe processing which characterized in that: the lathe spindle comprises a body, wherein one end of the body is connected with an adapter disc, the adapter disc is fixed on a lathe spindle, and a workpiece is positioned inside the body;
a positioning plate for fixing the workpiece is arranged between the bottom end of the workpiece and the inner side surface of the body, a positioning sleeve having a positioning effect on the workpiece is arranged on the upper surface of the positioning plate, one end of the positioning plate is connected with the body through a pressing plate, and the other end of the positioning plate is tightly propped against the adapter plate under the action of the pressing plate;
a balancing weight is arranged between the top of the workpiece and the inner side surface of the body, and a jacking piece for tightly pressing the balancing weight on the workpiece is arranged on the side wall of the body.
2. The tool for lathe machining of the valve body as claimed in claim 1, wherein the tool comprises: the top fastener is a jackscrew, and the side wall of the body is at least provided with 1 jackscrew.
3. The tool for lathe machining of the valve body as claimed in claim 1, wherein the tool comprises: the positioning plate is provided with a through hole penetrating through the positioning plate, the side wall of the body is provided with a detection hole used for detecting the internal size of a workpiece, and the axes of the detection hole, the through hole, the positioning sleeve and the blind hole in the workpiece are on the same straight line.
4. The tool for lathe machining of the valve body as claimed in claim 1, wherein the tool comprises: the bottom surface of the positioning plate comprises a plane and arc surfaces, the two arc surfaces are symmetrically arranged on two sides of the plane, and the arc surfaces are attached to the inner surface of the body.
5. The tool for lathe machining of the valve body as claimed in claim 1, wherein the tool comprises: the positioning plate is provided with fixing holes for fixing workpieces, and the fixing holes are formed in two sides of the fixing sleeve; the middle position of the side surface of the positioning plate is provided with a groove for clamping the pressing plate, and the axis of the groove and the axis of the positioning sleeve are in the same plane.
6. The tool for lathe machining of the valve body as claimed in claim 5, wherein the tool comprises: the fixing hole is a countersunk hole, and a countersunk screw is inserted into the fixing hole to fixedly connect the workpiece with the positioning plate.
7. The tool for lathe machining of the valve body as claimed in claim 1, wherein the tool comprises: one end of the adapter plate is provided with a connecting hole, and the adapter plate is fixedly connected with a main shaft of the lathe through a screw penetrating through the connecting hole; the other end of the switching disc is fixedly connected with one end of the body through a screw.
8. The tool for lathe machining of the valve body as claimed in claim 1, wherein the tool comprises: the adapter plate and the adapter body are made of high-quality carbon structural steel, and the hardness of the adapter plate is HRC28 or above.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201911362486.2A CN111002078A (en) | 2019-12-26 | 2019-12-26 | Tool for lathe machining of valve body |
Applications Claiming Priority (1)
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CN201911362486.2A CN111002078A (en) | 2019-12-26 | 2019-12-26 | Tool for lathe machining of valve body |
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CN111002078A true CN111002078A (en) | 2020-04-14 |
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CN201911362486.2A Pending CN111002078A (en) | 2019-12-26 | 2019-12-26 | Tool for lathe machining of valve body |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113400062A (en) * | 2021-07-07 | 2021-09-17 | 抚州长丰机械有限责任公司 | Valve body turning clamp |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11347869A (en) * | 1998-06-02 | 1999-12-21 | Matsuzaka Tekkosho:Kk | Clamp device |
CN101745831A (en) * | 2009-12-23 | 2010-06-23 | 天津市大站阀门总厂 | Pneumatic fixture for processing workpieces in uncommon shapes |
CN202780593U (en) * | 2012-09-24 | 2013-03-13 | 福建省标光阀门科技有限公司 | Fixed device for machining four-way valve body |
CN103072018A (en) * | 2013-01-11 | 2013-05-01 | 吴忠仪表有限责任公司 | Turning device for main valve body of special ball valve |
CN205386733U (en) * | 2016-03-21 | 2016-07-20 | 青岛高压阀门有限公司 | Valve slot is inserted and is cut anchor clamps |
CN205437851U (en) * | 2016-03-29 | 2016-08-10 | 吴忠仪表有限责任公司 | Small -bore triple offset butterfly valve lathe closes borer dress |
CN206883199U (en) * | 2017-07-05 | 2018-01-16 | 大连誉程精密机械有限公司 | A kind of valve body lathe process clamping tooling |
CN207104427U (en) * | 2017-06-12 | 2018-03-16 | 浙江亚太机电股份有限公司 | One kind is used for the mach Quick universal fixture of automobile ABS main valve body |
CN209380361U (en) * | 2019-01-16 | 2019-09-13 | 石家庄唯沃机械有限公司 | A kind of processing tool of four-way valve seat |
-
2019
- 2019-12-26 CN CN201911362486.2A patent/CN111002078A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11347869A (en) * | 1998-06-02 | 1999-12-21 | Matsuzaka Tekkosho:Kk | Clamp device |
CN101745831A (en) * | 2009-12-23 | 2010-06-23 | 天津市大站阀门总厂 | Pneumatic fixture for processing workpieces in uncommon shapes |
CN202780593U (en) * | 2012-09-24 | 2013-03-13 | 福建省标光阀门科技有限公司 | Fixed device for machining four-way valve body |
CN103072018A (en) * | 2013-01-11 | 2013-05-01 | 吴忠仪表有限责任公司 | Turning device for main valve body of special ball valve |
CN205386733U (en) * | 2016-03-21 | 2016-07-20 | 青岛高压阀门有限公司 | Valve slot is inserted and is cut anchor clamps |
CN205437851U (en) * | 2016-03-29 | 2016-08-10 | 吴忠仪表有限责任公司 | Small -bore triple offset butterfly valve lathe closes borer dress |
CN207104427U (en) * | 2017-06-12 | 2018-03-16 | 浙江亚太机电股份有限公司 | One kind is used for the mach Quick universal fixture of automobile ABS main valve body |
CN206883199U (en) * | 2017-07-05 | 2018-01-16 | 大连誉程精密机械有限公司 | A kind of valve body lathe process clamping tooling |
CN209380361U (en) * | 2019-01-16 | 2019-09-13 | 石家庄唯沃机械有限公司 | A kind of processing tool of four-way valve seat |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113400062A (en) * | 2021-07-07 | 2021-09-17 | 抚州长丰机械有限责任公司 | Valve body turning clamp |
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