CN111002078A - Tool for lathe machining of valve body - Google Patents

Tool for lathe machining of valve body Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
workpiece
tool
valve body
plate
positioning
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.)
Pending
Application number
CN201911362486.2A
Other languages
Chinese (zh)
Inventor
王艳山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Baoding Dongli Machinery Co ltd
Original Assignee
Baoding Dongli Machinery Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Baoding Dongli Machinery Co ltd filed Critical Baoding Dongli Machinery Co ltd
Priority to CN201911362486.2A priority Critical patent/CN111002078A/en
Publication of CN111002078A publication Critical patent/CN111002078A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/12Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general

Landscapes

  • 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

Tool for lathe machining of valve body
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.
CN201911362486.2A 2019-12-26 2019-12-26 Tool for lathe machining of valve body Pending CN111002078A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911362486.2A CN111002078A (en) 2019-12-26 2019-12-26 Tool for lathe machining of valve body

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911362486.2A CN111002078A (en) 2019-12-26 2019-12-26 Tool for lathe machining of valve body

Publications (1)

Publication Number Publication Date
CN111002078A true CN111002078A (en) 2020-04-14

Family

ID=70118890

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911362486.2A Pending CN111002078A (en) 2019-12-26 2019-12-26 Tool for lathe machining of valve body

Country Status (1)

Country Link
CN (1) CN111002078A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (9)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN102069399A (en) Clamping positioning method and device
CN104889783A (en) Coating clamp for lathe for machining hole of eccentric valve body
CN111002078A (en) Tool for lathe machining of valve body
CN112388362B (en) Fixture combination for machining rotary pipe joint with ball by numerical control lathe and machining method
CN107639447A (en) A kind of vehicle clamper of quick-clamping cuboid part
CN104690582A (en) Valve body lathe clamp
CN206747647U (en) EMUs KK front end-plate hole drilling dies
CN106737175A (en) Grinding machine processes bore frock
CN210060490U (en) Fixing device and boring device
CN203304602U (en) Clamping device for outer circle turning of thin-disc-shaped parts
CN206287014U (en) Grinding machine processes bore frock
CN202317761U (en) Special fixture for processing rotary table
CN111823042A (en) Machining process of wedge gate valve body and spherical positioning fixture
CN220533548U (en) Device for machining irregular parts by lathe
CN217122010U (en) Special tool for milling internal thread of glass-lined shaft lever
CN215968214U (en) Clamp for grinding outer diameter of thin-wall steel part with step hole
CN203304596U (en) Clamping device for inner hole turning of thin-disc-shaped parts
CN210306755U (en) Eccentric sphere machining tool
CN217832772U (en) Steering arm machining clamp
CN209903001U (en) Diamond grinding wheel for finely machining flange sealing surface of tower type equipment by using boring mill
CN214162579U (en) Valve plate inner hole fine grinding device
CN210147540U (en) Boring machine tool for eccentric shaft hole of valve body
CN210997692U (en) End allies oneself with ware car centre bore frock
CN221065866U (en) Micro-hole part abrasive particle flow clamp
CN213945654U (en) End cover drilling and tapping fixing device

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