CN105234699B - Thin-walled revolution workpiece workpiece graduation drilling milling fast fixture - Google Patents

Thin-walled revolution workpiece workpiece graduation drilling milling fast fixture Download PDF

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Publication number
CN105234699B
CN105234699B CN201510668945.5A CN201510668945A CN105234699B CN 105234699 B CN105234699 B CN 105234699B CN 201510668945 A CN201510668945 A CN 201510668945A CN 105234699 B CN105234699 B CN 105234699B
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China
Prior art keywords
workpiece
pin
spring
fixed
clamp
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Application number
CN201510668945.5A
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Chinese (zh)
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CN105234699A (en
Inventor
林宏
林国宝
孙思浩
汤子鑫
彭齐钦
黄欣然
宋有龙
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FUJIAN ORDNANCE EQUIPMENT Co Ltd
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FUJIAN ORDNANCE EQUIPMENT Co Ltd
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    • 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
    • B23Q3/02Devices 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
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • B23Q3/065Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
    • 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
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/08Indexing equipment having means for clamping the relatively movable parts together in the indexed position
    • B23Q16/10Rotary indexing

Abstract

A kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture, it is characterized by it includes centring ring, clamping part, indexing part and four parts of base, clamping part mainly includes folder spring, spring coil, clamp body, cylindrical cam, pin and fastener, centring ring outer surface is made up of two up-small and down-big faces of cylinder, the external diameter on the upper face of cylinder is engaged with the internal diameter of workpiece, external diameter of the external diameter on the lower face of cylinder more than workpiece, and be engaged with the internal diameter of folder spring, clamp body is enclosed within outside folder spring, the outer surface on folder spring top is up big and down small horn mouth, folder spring top is provided with fork groove, sell through cylindrical cam, clamp body, folder spring, be fixed together for four parts by centring ring, it is placed on rotating disk, the index hole of indexing identical with workpiece to be processed is provided with clamp body or rotating disk.The revolving body particularly thin-walled revolution workpiece that effectively solves of the invention bores Milling Machining requirement, and centring ring plays a supportive role to workpiece, and the intensity for increasing thin-walled revolution workpiece is allowed to not easily damaged when being clamped by outside.

Description

Thin-walled revolution workpiece workpiece graduation drilling milling fast fixture
Technical field
The invention belongs to the common drilling and milling manufacture field for thering is indexing to require.
Background technology
Drilling and milling indexing processing is a kind of common processing mode of field of machining, and common drilling and milling indexing processing is typically adopted Clamped with scroll chuck, index dial indexing, clamping efficiency is relatively low, and indexing is complicated, especially when workpiece is thin-walled revolution workpiece, made Clamped with scroll chuck and easily cause workpiece deformation, crush, of poor quality, yield rate is low, cannot also meet wanting for production in enormous quantities Ask.
The content of the invention
It is an object of the invention to overcome present equipment indexing processing present in shortcoming, there is provided a kind of clamping efficiency compared with Height, and the thin-walled revolution workpiece workpiece graduation drilling milling fast fixture of thin-walled revolution workpiece crudy and yield rate can be improved, from And realize the production in enormous quantities of drilling and milling indexing processing.
The technical solution adopted in the present invention is a kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture, its main points It is that it includes centring ring, clamping part, indexing part and four parts of base, clamping part mainly includes folder spring, spring coil, folder Specifically, cylindrical cam, pin and fastener, indexing part mainly include bearing, rotating disk, index pin, fixed seat, handle, centring ring Outer surface is made up of two up-small and down-big faces of cylinder, and the external diameter on the upper face of cylinder is engaged with the internal diameter of workpiece, the lower face of cylinder External diameter is more than the external diameter of workpiece, and is engaged with the internal diameter of folder spring, and clamp body is enclosed within outside folder spring, and the outer surface on folder spring top is upper Small horn mouth under big, the inner surface of spring coil is engaged with folder spring top, and outer surface is engaged with clamp body upper end, is fixed on folder Specifically between the top of folder spring, folder spring top is provided with fork groove, and cylindrical cam is enclosed within clamp body outer lower side, cylindrical cam both sides Symmetrical to be provided with the cam path being engaged with pin, folder spring corresponding position is provided with the pin-and-hole being engaged with pin, centring ring, clamp body corresponding position It is provided with the elongated hole being engaged with pin, pin is through the cam path of cylindrical cam, the elongated hole of clamp body, the pin-and-hole of folder spring, centring ring Be fixed together for four parts by elongated hole, and is placed on rotating disk simultaneously, and rotating disk is fixed on base by bearing, clamp body or turn The index hole of indexing identical with workpiece to be processed is provided with disk, index pin is fixed in fixed seat, and fixed seat is fixed on base, Index pin is engaged with index hole, and handle pin is fixed with cylindrical cam outer surface, and taper knob is in handle pin.
The present invention is engaged by the external diameter on the face of cylinder on centring ring with the internal diameter of workpiece, and workpiece is played a supportive role, and is increased The intensity of thin-walled revolution workpiece is added, has been allowed to not easily damaged when being clamped by outside, folder spring top has been provided with fork groove, has folder spring Elasticity, the design of horn mouth cooperation cylindrical cam makes the process that folder spring is moved down be clamped workpiece, and clamping process is incremental, Gently, clamping degree is both ensure that, ensures that workpiece uniform force is not damaged again, while having the identical corner can be with indexing with workpiece The part that pin is in contact(Such as clamp body or rotating disk)On be designed with the index hole of indexing identical with workpiece to be processed, make indexing process Simple engagement for index pin and index hole and separate, the calculating indexing without carrying out complexity again improves processing efficiency, reduction Artificial indexing mistake.
Folder spring top is provided with 2-8 fork groove.Fork slot number amount is more, and elasticity is better, but increased processing cost.
Index pin is threadably secured in fixed seat.Index pin can use spring or spiral shell with the fixed form of fixed seat Line, screw thread is better than spring connective stability, but be not as convenient as spring.
The top of index pin is fixed with knob.Index pin can directly be tightened or loosened by knob, simplify operating process.
It is provided with fixed seat in circular hole, circular hole and uses holding screw fixing nut, index pin is to be fixed on fixation by nut On seat.In order to the versatility of fixed seat, index pin are fixed on fixed seat by nut, it is conveniently adjusted set by the workpiece of different height The index hole size and height of meter are different, as long as changing index pin and nut.
2-4 handle pin is fixed with cylindrical cam outer surface.Convenient operation.
The beneficial effects of the invention are as follows, effectively solve revolving body particularly thin-walled revolution workpiece and bore Milling Machining requirement, not only may be used Used with plain-milling machine, removal circular index part can also widely use in vertical machining centre.
Brief description of the drawings
Fig. 1 is structural representation of the invention
Fig. 2 is the top view of Fig. 1
Fig. 3 is the structural representation of cylindrical cam
Fig. 4 is the structural representation for pressing from both sides spring
Fig. 5 is the top view of Fig. 4
Fig. 6 is the structural representation of clamp body
Fig. 7 is the schematic diagram of the elongated hole of clamp body
Wherein:The hand of 1 41 cam path of folder fork groove 12 horn mouth, 2 spring coil, 3 clamp body, 31 index hole, 4 cylindrical cam of spring 11 42 The cylinder of the face of cylinder 72 times on the centring ring 71 of 61 elongated hole of handle bearing pin 5 index pin, 51 fixed seat, 52 nut, 53 holding screw, 54 knob, 6 pin 7 The base of 24 handle of face 8 bearing, 9 workpiece, 10 rotating disk 25.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, and the following examples can make this professional technology Personnel more understand the present invention, but the present invention is not limited to this.
As shown in figs. 1-7, in order to show the fixed form of fixed seat 51, Fig. 1 is the A-A sectional views of Fig. 2, and a kind of thin-walled is returned Rotary Workpiece graduation drilling milling fast fixture, it includes centring ring 7, clamping part, indexing part and 25 4 parts of base, Completed to position by centring ring, base is fixed on milling machine.Clamping part mainly includes that folder spring 1, spring coil 2, clamp body 3, cylinder are convex Wheel 4, pin 6 and fastener, indexing part mainly include bearing 8, rotating disk 10, index pin 5, fixed seat 51, handle 24, centring ring 7 Outer surface is made up of two up-small and down-big faces of cylinder, and the external diameter on the upper face of cylinder 7 is engaged with the internal diameter of workpiece, and branch is played to workpiece Support is acted on, and the intensity for increasing thin-walled revolution workpiece is allowed to not easily damaged when being clamped by outside, and the external diameter on the lower face of cylinder 72 is more than work The external diameter of part, and be engaged with the internal diameter of folder spring 1, workpiece 9(Shown in chain-dotted line in Fig. 1)It is placed on the big small column of centring ring 7 On the step that face is formed, it is fixed between centring ring 7 and folder spring 1, centring ring 7 and folder both springs 1 are clamped to workpiece, press from both sides Specific 3 are enclosed within outside folder spring 1, and the endoporus upper end of clamp body 3 is machined with the step circle of fixed spring coil 2, and the outer surface on folder spring 1 top is Up big and down small horn mouth 12, the inner surface of spring coil 2 is engaged with folder spring 1 top, in horn-like, on outer surface and clamp body 3 End is engaged, and is fixed between the top of clamp body 3 and folder spring 1, and folder spring 1 top is provided with fork groove 11, makes tool on the circumference of folder spring 1 Flexible, folder spring 1 top is provided with 2-8 fork groove.Fork slot number amount is more, and elasticity is better, but increased processing cost, in figure It is 6 fork grooves 11, cylindrical cam 4 is enclosed within the lower section outside clamp body 3, and the both sides of cylindrical cam 4 are symmetrically provided with what is be engaged with pin 6 Cam path 41, folder spring 1 corresponding position is provided with the pin-and-hole being engaged with pin 6, and centring ring 7, the corresponding position of clamp body 3 are provided with and match with pin 6 The elongated hole 61 of conjunction, pin 6 passes through cam path 41, the elongated hole of clamp body 3, pin-and-hole, the length of centring ring 7 of folder spring 1 of cylindrical cam 4 Hole, four parts are fixed together, and handle pin 42 is fixed with the outer surface of cylindrical cam 4, and handle 24 is enclosed within handle pin Drive cylindrical cam 4 to rotate on 42,2-4 handle pin 42 is fixed with the outer surface of general cylindrical cam 4, be three in figure It is individual, convenient operation.So when cylindrical cam 4 is rotated, pin 6 is moved downward in the case where cam path 41 is led, and drives folder spring 1 to transport downwards It is dynamic, and centring ring 7, clamp body 3 are elongated holes 61 due to what is coordinated with pin 6, are remained stationary as, and in the presence of folder reed horn mouthful, are pressed from both sides Spring inwardly clamps workpiece.
Four parts are placed on rotating disk 10 simultaneously, i.e., workpiece is fixed on rotating disk 10.Rotating disk 10 passes through bearing 8 and fastener It is fixed on base 25, there is identical corner, and the part that can be in contact with index pin with workpiece(Such as clamp body 3 or rotating disk 10)On be designed with the index hole 31 of indexing identical with workpiece to be processed, the present invention in order to ensure the versatility of rotating disk, by index hole On clamp body 3, index pin 5 is fixed in fixed seat 51 for 31 designs, and index pin can use bullet with the fixed form of fixed seat 51 Spring or screw thread, screw thread are better than spring connective stability, but be not as convenient as spring, index pin of the invention 5 is to be threadably secured In in fixed seat 51, and knob 54 is fixed with the top of index pin 5, index pin 5 can directly be tightened or loosened by knob, letter Change operating process.Index pin can be direct thread mill drilling and index pin in fixed seat 51 with the threaded connection of fixed seat 51 Coordinate, better way is as shown in figure 1, be provided with circular hole in fixed seat 51, the fixing nut 52 of holding screw 53 to be used in circular hole, Index pin 5 is fixed in fixed seat 51 by nut 52.For the versatility of fixed seat 51, index pin 5 is solid by nut 52 Due to fixed seat, the index hole size being conveniently adjusted designed by the workpiece of different height and height are different, as long as changing index pin 5 With nut 52.Fixed seat 51 is fixed on base 25, and index pin 5 is engaged with index hole 31, makes the indexing process simply be The engagement of index pin and index hole and separate, the calculating indexing without carrying out complexity again improves processing efficiency, reduces artificial Indexing mistake.
The course of work of the invention:Workpiece loads centring ring 7 and positions, and handle 24 inserts the handle pin 42 of cylindrical cam, Turn clockwise cylindrical cam 4, and cylindrical cam 4 drives pin 6 to be moved to the minimum point of cam path, and pin 6 drives folder spring 1 to move down Complete the radial clamping to workpiece.A hole or groove are processed, rotary index pin 5 separates index pin and index hole 31, by work Part is rotated clockwise to the position for needing processing, is held out against in rotary index pin insertion index hole, after the completion of work pieces process, inverse time rotation Turn cylindrical cam 4, pin 6 rises to the peak of cam path, unclamps workpiece.

Claims (6)

1. a kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture, it is characterised in that it includes centring ring(7), clamping section Divide, index part and base(25)Four parts, clamping part mainly includes folder spring(1), spring coil(2), clamp body(3), cylinder Cam(4), pin(6)And fastener, indexing part mainly includes bearing(8), rotating disk(10), index pin(5), fixed seat(51)、 Handle(24), centring ring(7)Outer surface is made up of two up-small and down-big faces of cylinder, the upper face of cylinder(71)External diameter and workpiece Internal diameter is engaged, the lower face of cylinder(72)External diameter more than workpiece external diameter, and with folder spring(1)Internal diameter be engaged, clamp body(3) It is enclosed within folder spring(1)Outward, spring is pressed from both sides(1)The outer surface on top is up big and down small horn mouth, spring coil(2)Inner surface with folder spring(1) Top is engaged, outer surface and clamp body(3)Upper end is engaged, and is fixed on clamp body(3)With folder spring(1)Top between, folder Spring(1)Top is provided with fork groove(11), cylindrical cam(4)It is enclosed within clamp body(3)Outer lower side, cylindrical cam(4)Symmetrically open both sides Have and pin(6)The cam path being engaged(41), press from both sides spring(1)Corresponding position is provided with and pin(6)The pin-and-hole being engaged, centring ring(7), folder Specifically(3)Corresponding position is provided with and pin(6)The elongated hole being engaged(61), pin(6)Through cylindrical cam(4)Cam path(41), folder Specifically(3)Elongated hole, folder spring(1)Pin-and-hole, centring ring(7)Elongated hole four parts are fixed together, and simultaneously be placed in turn Disk(10)On, rotating disk(10)By bearing(8)It is fixed on base(25)On, clamp body(3)Or rotating disk(10)On be provided with it is to be added The index hole of the identical indexing of work workpiece(31), index pin(5)It is fixed on fixed seat(51)On, fixed seat(51)It is fixed on base (25)On, index pin(5)With index hole(31)It is engaged, cylindrical cam(4)Handle pin is fixed with outer surface(42), handle (24)It is enclosed within handle pin(42)On.
2. a kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture according to claim 1, it is characterised in that folder Spring(1)Top is provided with 2-8 fork groove(11).
3. a kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture according to claim 1, it is characterised in that point Degree pin(5)It is to be threadably secured in fixed seat(51)On.
4. a kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture according to claim 3, it is characterised in that point Degree pin(5)Top be fixed with knob(54).
5. a kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture according to claim 3, it is characterised in that Gu Reservation(51)On be provided with circular hole, holding screw is used in circular hole(53)Fixing nut(52), index pin(5)It is by nut(52)Gu Due to fixed seat(51)On.
6. a kind of thin-walled revolution workpiece workpiece graduation drilling milling fast fixture according to claim 1, it is characterised in that circle Post cam(4)2-4 handle pin is fixed with outer surface(42).
CN201510668945.5A 2015-10-13 2015-10-13 Thin-walled revolution workpiece workpiece graduation drilling milling fast fixture Active CN105234699B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510668945.5A CN105234699B (en) 2015-10-13 2015-10-13 Thin-walled revolution workpiece workpiece graduation drilling milling fast fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510668945.5A CN105234699B (en) 2015-10-13 2015-10-13 Thin-walled revolution workpiece workpiece graduation drilling milling fast fixture

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CN105234699B true CN105234699B (en) 2017-05-31

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105643296B (en) * 2016-03-14 2018-01-02 沈阳航空航天大学 A kind of thin-walled revolving member processing auxiliary support apparatus and its application method

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE50005384C5 (en) * 1999-07-14 2017-04-06 Erowa Ag Device for positionally defined clamping of a workpiece in the working area of a processing machine
CN200963759Y (en) * 2006-09-13 2007-10-24 重庆宗申技术开发研究有限公司 Fixture for processing circumference distribution holes
CN202527969U (en) * 2012-03-02 2012-11-14 连云港职业技术学院 Fixture for processing thin-wall cylindrical part milling-machine milling hole
CN104308563A (en) * 2014-08-29 2015-01-28 河南众弘机械制造有限公司 Equal indexing fixture
CN205057579U (en) * 2015-10-13 2016-03-02 福建兵工装备有限公司 Thin wall rotator workpiece graduation bores and mills rapid clamping device

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