CN106475799A - A kind of special fixture of cross part turning boring - Google Patents

A kind of special fixture of cross part turning boring Download PDF

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Publication number
CN106475799A
CN106475799A CN201510547039.XA CN201510547039A CN106475799A CN 106475799 A CN106475799 A CN 106475799A CN 201510547039 A CN201510547039 A CN 201510547039A CN 106475799 A CN106475799 A CN 106475799A
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CN
China
Prior art keywords
boss
hole
machined
ring flange
collet
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
CN201510547039.XA
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Chinese (zh)
Inventor
曾庆富
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.)
Harbin Jiancheng Group Co Ltd
Original Assignee
Harbin Jiancheng Group 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 Harbin Jiancheng Group Co Ltd filed Critical Harbin Jiancheng Group Co Ltd
Priority to CN201510547039.XA priority Critical patent/CN106475799A/en
Publication of CN106475799A publication Critical patent/CN106475799A/en
Pending legal-status Critical Current

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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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00Making specific metal objects by operations not covered by a single other subclass or a group in this subclass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping On Spindles (AREA)

Abstract

A kind of special fixture of cross part turning boring, it is related to a kind of special fixture of turning boring.During for solving car cross part, need processing excircles size and center boring, because cross part thickness is little, it is unable to clamping profile in processing excircles, boring, need to position respectively reprocessing in processing excircles, boring, not only the problem of manufacturing procedure complexity and the needs machining accuracy of clamping impact twice.The present invention includes connecting body, collet, ring flange and pull bar, there is body boss the one end connecting body, body boss is machined with centre bore along its axial direction, centre bore connects with being connected body, connect body and ring flange is removably connected with by body boss, collet is sleeved in adapter sleeve body, and pull bar sequentially passes through ring flange and collet and is arranged between ring flange and collet.The present invention is used for processing cross part.

Description

A kind of special fixture of cross part turning boring
Technical field
Present invention relates particularly to a kind of special fixture of cross part turning boring, belong to field of machining.
Background technology
When processing cross part, cross part needs processing excircles size and needs to hole in center.Due to Part thickness is little, is unable to clamping profile in processing excircles, boring.Need respective processing excircles, boring, therefore process ten Font part needs, through two procedures, to carry out positioning and clamping by two kinds of fixtures to workpiece, and not only working (machining) efficiency is low, work Sequence complexity and twice clamping also can affect to process the machining accuracy of cross part.
Content of the invention
It is an object of the invention to provide a kind of special fixture of cross part turning boring, to solve car cross part When, need processing excircles size and center boring, because cross part thickness is little, in processing excircles, boring It is unable to clamping profile, need to position respectively reprocessing in processing excircles, boring, not only manufacturing procedure is complicated and needs to fill twice The problem of folder impact machining accuracy.
The present invention is to solve above-mentioned technical problem to adopt the technical scheme that:
A kind of special fixture of cross part turning boring, it includes connecting body, collet, ring flange and pull bar, Described one end connecting body is machined with body boss, and described body boss is machined with centre bore along its axial direction, institute State centre bore and be connected body connection, described connection body is removably connected with ring flange by body boss, described elasticity Chuck is sleeved in adapter sleeve body, and described pull bar sequentially passes through ring flange and collet and is arranged on ring flange and collet Between;
Described collet includes first boss, Gripper body and second boss, and described first boss is fixedly connected on chuck originally On the end face of body, the other end of Gripper body is machined with second boss, the end face of described Gripper body is taper surface, Described first boss and second boss are round boss, and first boss is uniformly machined with four centered on its center axis Groove, four grooves intersect connection and form cross groove, and described Gripper body is interior to be machined with center screw thread along its axial direction Hole, the outer wall of described Gripper body taper surface is uniformly machined with four link slots along its axial direction, and described Gripper body is along it Axial direction is also machined with four sipes, sipes be located at link slot right side and with link slot correspond setting, link slot with Groove corresponds setting, and the groove that one end of each link slot is corresponding is connected, the other end of each link slot and its Corresponding sipes is connected.
The invention has the advantages that:
The present invention is reasonable in design, easy to use it is adaptable to processing cross part, by connect body, collet, Cooperation between ring flange and pull bar is realized clamped one time and is completed turning and the work of boring two procedures, processes a cross Shape part only needs 1 to 2 minute, meets the requirement of parts batch production, improves at least 30% production efficiency.This Invention can complete to process on engine lathe.
Brief description
Fig. 1 is the main structure diagram of cross part 6,
Fig. 2 is the right side structural representation of Fig. 1,
Fig. 3 be the present invention partly cut open structural representation,
Fig. 4 is the main structure diagram connecting body 1,
Fig. 5 is the left view structural representation of Fig. 4,
Fig. 6 is the main structure diagram of collet 2,
Fig. 7 is the left view structural representation of Fig. 6,
Fig. 8 is profile at A-A in Fig. 6,
Fig. 9 is profile at B-B in Fig. 6,
Figure 10 be ring flange 3 partly cut open structural representation,
Figure 11 is Figure 10 left view structural representation,
Figure 12 is the main structure diagram of pull bar 4,
Figure 13 is the left view structural representation of Figure 12.
Specific embodiment
Specific embodiment one:In conjunction with Fig. 1 to Figure 13, present embodiment is described, present embodiment include connect body 1, Collet 2, ring flange 3 and pull bar 4, described one end connecting body 1 is machined with body boss 1-4, described set Body boss 1-4 is machined with centre bore 1-5 along its axial direction, and described centre bore 1-5 connects with being connected body 1, described Connect body 1 and ring flange 3 is removably connected with by body boss 1-4, described collet 2 is sleeved on connection body In 1, described pull bar 4 sequentially passes through ring flange 3 and collet 2 and is arranged between ring flange 3 and collet 2;
Described collet 2 includes first boss 2-1, Gripper body 2-2 and second boss 2-3, described first boss 2-1 It is fixedly connected on the end face 2-8 of Gripper body 2-2, the other end 2-5 of Gripper body 2-2 is machined with second convex The end face 2-8 of platform 2-3, described Gripper body 2-2 is taper surface, and described first boss 2-1 and second boss 2-3 are Round boss, first boss 2-1 is uniformly machined with centered on its center axis four groove 2-6, four groove 2-6 Intersect connection and form cross groove, described Gripper body 2-2 is interior to be machined with screwed hole of centre 2-4, institute along its axial direction The outer wall stating Gripper body 2-2 taper surface is uniformly machined with four link slot 2-7, described Gripper body 2-2 along its axial direction Also be machined with four sipes 2-9 along its axial direction, sipes 2-9 be located at link slot 2-7 right side and with link slot 2-7 mono- One is correspondingly arranged, and link slot 2-7 and groove 2-6 corresponds setting, corresponding the leading in one end of each link slot 2-7 Groove 2-6 is connected, and the sipes 2-9 that the other end of each link slot 2-7 is corresponding is connected.
In the present invention, collet 2 is made up of spring steel, and spring steel is 65Mn, has elastic performance.Pull bar 4 wraps Include left end and adjust body of rod 4-1, pull bar boss 4-2 and right-hand member regulation body of rod 4-3, left end adjusts body of rod 4-1 and right-hand member is adjusted Body of rod 4-3 is fixedly connected by pull bar boss 4-2 and is made as one.
Specific embodiment two:In conjunction with Fig. 3 and Fig. 4, present embodiment is described, described in present embodiment, connects body 1 Inside it is machined with first through hole 1-1, the second through hole 1-2 and third through-hole 1-3 from left to right successively, described first through hole 1-1, The centre bore 1-5 of the second through hole 1-2, third through-hole 1-3 and body boss 1-4 is sequentially communicated and is coaxially disposed, and first Through hole 1-1 is bellmouth, the end face 2-8 interference fit of described first through hole 1-1 and Gripper body 2-2, described second Through hole 1-2 is coordinated with the other end 2-5 gap of collet 2.
First through hole 1-1 described in present embodiment and the taper seat interference fit of Gripper body 2-2, described second through hole 1-2 Gripper body 2-2 gap cooperation with collet 2.Other compositions and annexation are identical with specific embodiment one.
Specific embodiment three:In conjunction with Fig. 3, Figure 10 and Figure 11, present embodiment, flange described in present embodiment are described It is machined with location hole 3-1 and flange centre bore 3-2 in disk 3 from left to right successively, the left side of described ring flange 3 adds Work has multiple threaded connection hole 3-9, described location hole 3-1 to be equipped with lathe spindle, and threaded connection hole 3-9 passes through spiral shell Bolt is fixedly connected on lathe spindle, and the right side 3-6 of described ring flange 3 is machined with the 3rd boss 3-3, and the described 3rd Boss 3-3 is arranged in the centre bore 1-5 of body boss 1-4, and the height of described 3rd boss 3-3 is less than centre bore 1-5 Depth, the right side 3-6 of described ring flange 3 is rounded face, and right side 3-6 is uniformly machined with multiple along its circumferencial direction First threaded connection hole 3-7, described pull bar 4 sequentially passes through location hole 3-1, flange centre bore 3-2 and center from left to right Screwed hole 2-4 simultaneously holds out against in collet 2.Other compositions and annexation are identical with specific embodiment one.
Specific embodiment four:In conjunction with Fig. 3, Fig. 4, Fig. 5, Figure 10 and Figure 11, present embodiment, this embodiment party are described Multiple second threaded connection hole 1-7, the second screw thread are uniformly machined with the outer face of described body boss 1-4 described in formula Connecting hole 1-7 and the first threaded connection hole 3-7 correspond setting, connect body 1 pass through the second threaded connection hole 1-7 with First threaded connection hole 3-7 of ring flange 3 is detachably connected.Other compositions and annexation are identical with specific embodiment three.
Specific embodiment five:In conjunction with Fig. 3, Fig. 4, Fig. 5, Fig. 8 and Fig. 9, present embodiment, present embodiment are described Described in ring flange 3 right side 3-6 on be also machined with least two lathe connecting hole 3-8.The other composition of present embodiment And annexation is identical with specific embodiment four.
In the present invention, the location hole 3-1 of ring flange 3 left end is taper hole, for matching with lathe spindle it is ensured that being connected body 1 axis is coaxial with lathe spindle, and threaded connection hole 3-9 is bolted on lathe spindle, make originally to benefit from new with Lathe connects reliability, prevents the present invention from coming off.At least two lathe connecting hole 3-8 are risen with the detent fit on lathe spindle To circumferentially positioned effect, facilitate the connection of ring flange 3 and lathe.
Connection body 1 is axial workpiece, connects and carries on the one end with body boss 1-4 and ring flange 3 on body 1 The end face of the 3rd boss 3-3 is equipped with, and the 3rd boss 3-3 of the centre bore 1-5 and ring flange that connect body 1 coordinates it It is ensured that connecting the axis of body 1 and the dead in line of ring flange 3, the height of the 3rd boss 3-3 is less than center to positioning action The depth of hole 1-5 is it is ensured that the right side 3-6 of ring flange 3 is close together with body boss 1-4.Second is threaded Hole 1-7 and the first threaded connection hole 3-7 corresponds setting, is bolted and is fixedly connected on flange connecting body 1 On disk 3.
The third through-hole 1-3, first through hole 1-1 that connect body 1 are coaxial with centre bore 1-5, the aperture of first through hole 1-1 More than the aperture of third through-hole 1-3, facilitate the assembling of collet 2.Connect third through-hole 1-3 and the elastic clip of body 1 2 gaps cooperations, connect first through hole 1-1 of body 1 and the taper seat cooperation of Gripper body 2-2.Screwed hole of centre 2-4 Adjust body of rod 4-3 cooperation with right-hand member.The width of link slot 2-7 is 2~3mm, and four groove 2-6 are by first boss 2-1 It is separated to form 4 to break.Collet 2 diameter is less than cross part outside diameter.The end face 2-8 of Gripper body 2-2 is Locating surface is coordinated with the end face of cross part, for positioning.The centrage of groove 2-6 is the symmetrical centre of collet 2 Line.Collet 2 be connected body 1 assembling after, the centrage of groove 2-6 is coaxial with lathe spindle.Four groove 2-6 For positioning and clamping cross part 6, groove 2-6 can be with self-centering, and groove 2-6 width is more than cross part 6 Width.Threadeded with collet 2 in one end that right-hand member adjusts body of rod 4-3, pull bar boss 4-2 and Gripper body 2-2 Other end 2-5 be close to.The other end adjusting body of rod 4-1 is used for being connected with the cylinder being assemblied in lathe-head, uses cylinder Pull collet 2.When collet 2 moves to lathe-head, collet 2 is automatically positioned clamping cross part 6.The center of cross part 6 and lathe spindle dead in line.
The work process of the present invention:
In Vehicle Processing with collet 2 clamping cross part, pull collet 2 to lathe with the cylinder of lathe-head Head of a bed direction is moved, the end face of clamping cross part 6.Lathe spindle rotation, collet 2 and lathe spindle during work Rotate together, collet 2 drives cross part 6 to be rotated with lathe spindle axis for rotating shaft.Get on the bus in lathe outer Circle and boring, it is possible to achieve clamped one time turning and boring, improve production efficiency.
By above-mentioned clamping process, to part positioning and clamping.Clamped one time the periphery to part are completed on engine lathe Turnery processing and boring, process a part every time.Cylinder valve is closed, collet 2 recovers former under elastic force effect State, eliminates the clamping force of part, pulls down the cross part of completion of processing.

Claims (5)

1. a kind of boring of cross part turning special fixture it is characterised in that:It includes connecting body (1), elasticity Chuck (2), ring flange (3) and pull bar (4), described one end connecting body (1) is machined with body boss (1-4), Described body boss (1-4) is machined with centre bore (1-5) along its axial direction, described centre bore (1-5) be connected body (1) connect, described connection body (1) is removably connected with ring flange (3), described bullet by body boss (1-4) Property chuck (2) be sleeved in connection body (1), described pull bar (4) sequentially passes through ring flange (3) and collet (2) And be arranged between ring flange (3) and collet (2);
Described collet (2) includes first boss (2-1), Gripper body (2-2) and second boss (2-3), and described the One boss (2-1) is fixedly connected on the end face (2-8) of Gripper body (2-2), the other end of Gripper body (2-2) Second boss (2-3) is machined with face (2-5), the end face (2-8) of described Gripper body (2-2) is taper surface, institute State first boss (2-1) and second boss (2-3) is round boss, first boss (2-1) with its center axis is Center is uniformly machined with four grooves (2-6), and four grooves (2-6) are intersected connection and formed cross groove, and described chuck is originally It is machined with screwed hole of centre (2-4), the outer wall edge of described Gripper body (2-2) taper surface along its axial direction in body (2-2) Its axial direction is uniformly machined with four link slots (2-7), and described Gripper body (2-2) is also machined with four along its axial direction Bar sipes (2-9), sipes (2-9) is located at the right side of link slot (2-7) and corresponds setting with link slot (2-7), Link slot (2-7) and groove (2-6) correspond setting, the corresponding groove (2-6) in one end of each link slot (2-7) It is connected, the sipes (2-9) that the other end of each link slot (2-7) is corresponding is connected.
2. a kind of cross part turning boring according to claim 1 special fixture it is characterised in that:Described Connect in body (1) and be machined with first through hole (1-1), the second through hole (1-2) and third through-hole (1-3) from left to right successively, Described first through hole (1-1), the second through hole (1-2), third through-hole (1-3) and the body centre bore (1-5) of boss (1-4) It is sequentially communicated and is coaxially disposed, first through hole (1-1) is bellmouth, described first through hole (1-1) and Gripper body (2-2) End face (2-8) interference fit, other end (2-5) gap of described second through hole (1-2) and collet (2) Cooperation.
3. a kind of cross part turning boring according to claim 1 special fixture it is characterised in that:Described It is machined with location hole (3-1) and flange centre bore (3-2), described ring flange (3) from left to right successively in ring flange (3) Left side on be machined with multiple threaded connection holes (3-9), described location hole (3-1) is equipped with lathe spindle, screw thread Connecting hole (3-9) is bolted to connection on lathe spindle, and the right side (3-6) of described ring flange (3) is upper to be processed There is the 3rd boss (3-3), described 3rd boss (3-3) is arranged in the centre bore (1-5) of body boss (1-4), The height of described 3rd boss (3-3) is less than the depth of centre bore (1-5), the right side (3-6) of described ring flange (3) For rounded face, right side (3-6) is uniformly machined with multiple first threaded connection holes (3-7), described pull bar along its circumferencial direction (4) sequentially pass through location hole (3-1), flange centre bore (3-2) and screwed hole of centre (2-4) from left to right and hold out against In collet (2).
4. a kind of cross part turning boring according to claim 3 special fixture it is characterised in that:Described Uniformly it is machined with multiple second threaded connection holes (1-7), second is threaded on the outer face of described body boss (1-4) Hole (1-7) corresponds setting with the first threaded connection hole (3-7), connects body (1) and passes through the second threaded connection hole (1-7) It is detachably connected with first threaded connection hole (3-7) of ring flange (3).
5. a kind of cross part turning boring according to claim 4 special fixture it is characterised in that:Described At least two lathe connecting holes (3-8) are also machined with the right side (3-6) of ring flange (3).
CN201510547039.XA 2015-08-31 2015-08-31 A kind of special fixture of cross part turning boring Pending CN106475799A (en)

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CN201510547039.XA CN106475799A (en) 2015-08-31 2015-08-31 A kind of special fixture of cross part turning boring

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Application Number Priority Date Filing Date Title
CN201510547039.XA CN106475799A (en) 2015-08-31 2015-08-31 A kind of special fixture of cross part turning boring

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107790992A (en) * 2017-11-29 2018-03-13 苏州汉腾自动化设备有限公司 The high assembled fixture of installation effectiveness
CN110524416A (en) * 2019-08-08 2019-12-03 广东白云学院 The design method and elastic collet of elastic collet

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002052431A (en) * 2000-08-08 2002-02-19 Nikken Kosakusho Works Ltd Tool holder
CN202239723U (en) * 2011-09-19 2012-05-30 南京数控机床有限公司 Collet chuck
CN202344253U (en) * 2011-11-01 2012-07-25 龙泉市中天制冷设备有限公司 Multifunctional chunk
CN203418133U (en) * 2013-08-19 2014-02-05 浙江盾安阀门有限公司 Inner thread elastic clamp
CN204053596U (en) * 2014-09-03 2014-12-31 哈尔滨建成集团有限公司 A kind of for the externally threaded fixture of the irregular revolving body workpieces of turning
CN204160227U (en) * 2014-10-11 2015-02-18 连云港冠钰精密工业有限公司 Numerically controlled lathe quick chuck
CN204868179U (en) * 2015-08-31 2015-12-16 哈尔滨建成集团有限公司 Special fixture of cross part turning drilling

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002052431A (en) * 2000-08-08 2002-02-19 Nikken Kosakusho Works Ltd Tool holder
CN202239723U (en) * 2011-09-19 2012-05-30 南京数控机床有限公司 Collet chuck
CN202344253U (en) * 2011-11-01 2012-07-25 龙泉市中天制冷设备有限公司 Multifunctional chunk
CN203418133U (en) * 2013-08-19 2014-02-05 浙江盾安阀门有限公司 Inner thread elastic clamp
CN204053596U (en) * 2014-09-03 2014-12-31 哈尔滨建成集团有限公司 A kind of for the externally threaded fixture of the irregular revolving body workpieces of turning
CN204160227U (en) * 2014-10-11 2015-02-18 连云港冠钰精密工业有限公司 Numerically controlled lathe quick chuck
CN204868179U (en) * 2015-08-31 2015-12-16 哈尔滨建成集团有限公司 Special fixture of cross part turning drilling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107790992A (en) * 2017-11-29 2018-03-13 苏州汉腾自动化设备有限公司 The high assembled fixture of installation effectiveness
CN110524416A (en) * 2019-08-08 2019-12-03 广东白云学院 The design method and elastic collet of elastic collet

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