CN104015063A - Conveniently adjustable central frame - Google Patents

Conveniently adjustable central frame Download PDF

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Publication number
CN104015063A
CN104015063A CN201410281571.7A CN201410281571A CN104015063A CN 104015063 A CN104015063 A CN 104015063A CN 201410281571 A CN201410281571 A CN 201410281571A CN 104015063 A CN104015063 A CN 104015063A
Authority
CN
China
Prior art keywords
frame
radiai adjustment
bevel gear
adjustment hole
sliding sleeve
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
CN201410281571.7A
Other languages
Chinese (zh)
Inventor
吴士奎
曹建新
戴明南
刘同来
张海燕
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.)
Taian Haiwei CNC Machinery Co Ltd
Original Assignee
Taian Haiwei CNC 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 Taian Haiwei CNC Machinery Co Ltd filed Critical Taian Haiwei CNC Machinery Co Ltd
Priority to CN201410281571.7A priority Critical patent/CN104015063A/en
Publication of CN104015063A publication Critical patent/CN104015063A/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
    • B23Q1/00Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/72Auxiliary arrangements; Interconnections between auxiliary tables and movable machine elements
    • B23Q1/76Steadies; Rests

Abstract

The invention relates to a conveniently adjustable central frame. The central frame is characterized in that three radial adjustment mechanisms are uniformly distributed along the peripheral direction of a ring-shaped frame body; each radial adjustment mechanism comprises a radial adjustment hole which is formed in the ring-shaped frame body and is internally provided with a ring-shaped sliding sleeve in sliding connection with the radial adjustment hole; the tail end of each ring-shaped sliding sleeve is provided with a roller device in a movable connection manner; a screw rod extends into each ring-shaped sliding sleeve and is in threaded connection with the ring-shaped sliding sleeve; the outer end of each radial-adjustment hole is provided with an end cover which extends into the radial-adjustment hole and is in threaded connection with the screw rod; the part, which extends into the corresponding radial-adjustment hole, of each end cover is provided with a first bearing sheathing the corresponding screw rod; a horizontal rotary shaft extends into a shaft drum cavity in the lower part of a lower frame body and is movably connected with the shaft drum cavity; the top end of the screw rod of the radial adjustment mechanism close to a first bevel gear is provided with a second bevel gear meshed with the first bevel gear. The conveniently adjustable central frame has the advantages that the adjusting difficulty of workers is lowered, the adjusting time is shortened, the labor intensity of workers is reduced and the working efficiency is improved.

Description

One facilitates adjustable type centre frame
Technical field:
The present invention relates to one and facilitate adjustable type centre frame.
Background technology:
In machining industry, particularly, in the machining of slender piece, produce flexural deformation in order to prevent workpiece to be subject to the effect of radial cutting force, common central frame is as aiding support, to increase workpiece rigidity.In the time of lathe processing larger diameter bar, need the centre frame can be larger, because centre frame is supported at three point, first strong point is above support body central authorities, second strong point and the 3rd strong point are in the left and right sides of support body central authorities, and in regulating support, workman need to run to regulate in the left and right sides of lathe second strong point and the 3rd strong point back and forth, operation is wasted time and energy, inefficiency.
Summary of the invention:
The invention provides one and facilitate adjustable type centre frame, the adjusting difficulty that it has reduced workman, has shortened the adjusting time, has reduced workman's labour intensity, has improved operating efficiency, has solved problems of the prior art.
The present invention for solving the problems of the technologies described above adopted technical scheme is: it comprises upper frame and lower frame, one side of upper frame and lower frame is hinged, opposite side is provided with the fixture that connects upper frame and lower frame, upper frame and lower frame form an annular frame, evenly be laid with three radiai adjustment mechanisms along annular frame circumferencial direction, radiai adjustment mechanism comprises the radiai adjustment hole being located on annular frame, in radiai adjustment hole, be provided with an annular sliding sleeve being slidably connected with it, be provided with a roller devices being flexibly connected with it at the end of annular sliding sleeve, one screw mandrel stretches into annular sliding sleeve and is threaded with it, be provided with an end cap being connected with wire rod thread that stretches into radiai adjustment hole in the outer end in radiai adjustment hole, be provided with a clutch shaft bearing being set on screw mandrel in the part that stretches into radiai adjustment hole of end cap, the position of the corresponding screw mandrel tie down screw that is threaded on the sidewall in radiai adjustment hole, one horizontally disposed rotating shaft is stretched in the beam barrel chamber of lower frame bottom and is flexibly connected with it, one end of rotating shaft and the first bevel gear are connected, top at the screw mandrel near in the radiai adjustment mechanism of the first bevel gear is provided with second bevel gear being meshed with the first bevel gear, be provided with in lower frame bottom the sliding-rail groove matching with lathe slide rail, below lower frame, be provided with base plate, the clamping screw penetrating from base plate bottom stretches in the cavity of lower frame bottom and is connected with nut.
Be provided with the first radiai adjustment mechanism at the middle part of upper frame, be respectively equipped with the second radiai adjustment mechanism and the 3rd radiai adjustment mechanism in the left and right sides of lower frame, the angle between the first radiai adjustment mechanism, the second radiai adjustment mechanism and the 3rd radiai adjustment mechanism is 120 °; The first bevel gear that is located at rotating shaft one end is meshed with the second bevel gear on the 3rd radiai adjustment mechanism screw mandrel, and the other end of rotating shaft and the second radiai adjustment mechanism are positioned at the same side.
Described fixture comprises that one through the lock shaft that stretches into lower frame after upper frame, be provided with the second bearing and the butterfly spring being sheathed on lock shaft in upper frame bottom, the upper end of butterfly spring and the second bearing connect, the lower end of butterfly spring and the upper end of lower frame connect, one nut that is positioned at upper frame top is connected with the thread segment of lock shaft upper end, is provided with a cushion block being sheathed on lock shaft between nut and upper frame.
Described roller devices is the 3rd bearing.
The present invention adopts such scheme, has reduced workman's adjusting difficulty, has shortened the adjusting time, has reduced workman's labour intensity, has improved operating efficiency.
Brief description of the drawings:
Fig. 1 is sectional structure schematic diagram of the present invention.
Fig. 2 is that sectional structure schematic diagram is looked on the right side of Fig. 1.
In figure, 1, upper frame, 2, lower frame, 3, radiai adjustment hole, 4, annular sliding sleeve, 5, the 3rd bearing, 6, screw mandrel, 7, end cap, 8, clutch shaft bearing, 9, tie down screw, 10, rotating shaft, 11, beam barrel chamber, 12, the first bevel gear, 13, the second bevel gear, 14, sliding-rail groove, 15, base plate, 16, clamping screw, 17, lock shaft, 18, the second bearing, 19, butterfly spring, 20, the first nut, 21, cushion block, 22, cavity, 23, the second nut.
Detailed description of the invention:
For clearly demonstrating the technical characterstic of this programme, below by detailed description of the invention, and in conjunction with its accompanying drawing, the present invention will be described in detail.
As shown in Fig. 1~Fig. 2, the present invention includes upper frame 1 and lower frame 2, a side of upper frame 1 and lower frame 2 is hinged, and opposite side is provided with the fixture that connects upper frame 1 and lower frame 2.Upper frame 1 and lower frame 2 form an annular frame, are evenly laid with three radiai adjustment mechanisms along annular frame circumferencial direction.Be provided with the first radiai adjustment mechanism at the middle part of upper frame 1, be respectively equipped with the second radiai adjustment mechanism and the 3rd radiai adjustment mechanism in the left and right sides of lower frame 2, the angle between the first radiai adjustment mechanism, the second radiai adjustment mechanism and the 3rd radiai adjustment mechanism is 120 °.Radiai adjustment mechanism comprises the radiai adjustment hole 3 being located on annular frame, in radiai adjustment hole 3, be provided with an annular sliding sleeve 4 being slidably connected with it, be provided with a roller devices being flexibly connected with it at the end of annular sliding sleeve 4, one screw mandrel 6 stretches into annular sliding sleeve 4 and is threaded with it, be provided with an end cap 7 being threaded with screw mandrel 6 that stretches into radiai adjustment hole 3 in the outer end in radiai adjustment hole 3, be provided with a clutch shaft bearing 8 being set on screw mandrel 6 in the part that stretches into radiai adjustment hole 3 of end cap 7, the position of corresponding screw mandrel 6 tie down screw 9 that is threaded on the sidewall in radiai adjustment hole 3.Roller devices is the 3rd bearing 5.One horizontally disposed rotating shaft 10 is stretched in the beam barrel chamber 11 of lower frame 2 bottoms and is flexibly connected with it, one end of rotating shaft 10 and the first bevel gear 12 are connected, the first bevel gear 12 is meshed with the second bevel gear 13 on the 3rd radiai adjustment mechanism screw mandrel, and the other end of rotating shaft 10 and the second radiai adjustment mechanism are positioned at the same side.Be provided with the sliding-rail groove 14 matching with lathe slide rail in lower frame 2 bottoms, be provided with base plate 15 below lower frame 2, the clamping screw 16 penetrating from base plate 15 bottoms stretches in the cavity 22 of lower frame 2 bottoms and is connected with the second nut 23.Fixture comprises that one through the lock shaft 17 that stretches into lower frame 2 after upper frame 1, be provided with the second bearing 18 and the butterfly spring 19 being sheathed on lock shaft 17 in upper frame 1 bottom, the upper end of butterfly spring 19 and the second bearing 18 connect, the upper end of the lower end of butterfly spring 19 and lower frame 2 connects, one the first nut 20 that is positioned at upper frame 1 top is connected with the thread segment of lock shaft 17 upper ends, is provided with a cushion block 21 being sheathed on lock shaft 17 between nut 20 and upper frame 1.
Before use, the sliding-rail groove 14 of lower frame of the present invention 2 bottoms is matched with lathe slide rail, along lathe slide rail, the present invention is moved to suitable position, then tighten the second nut 23, the present invention is fixed on lathe slide rail.When use, regulate the screw mandrel 6 in the first radiai adjustment mechanism and the second radiai adjustment mechanism to rotate with instrument, make the annular sliding sleeve 4 being threaded with the screw mandrel 6 in the first radiai adjustment mechanism, the second radiai adjustment mechanism drive the 3rd bearing 5 to arrive suitable position, then use instrument rotating shaft 10, drive the 3rd radiai adjustment mechanism action by the first bevel gear 12, the second bevel gear 13, thereby make the annular sliding sleeve 4 in the 3rd radiai adjustment mechanism move to suitable position, make the 3rd bearing 5 in three radiai adjustment mechanisms add clamping of workpieces.Because the first bevel gear 12 that is located at rotating shaft 10 one end is meshed with the second bevel gear 13 on the 3rd radiai adjustment mechanism screw mandrel 6, the other end of rotating shaft 10 and the second radiai adjustment mechanism are positioned at the same side, therefore in regulating support, workman carrys out fallback without the left and right sides at lathe, only need just can complete in this side of the second radiai adjustment mechanism the adjusting of three strong points, reduce workman's adjusting difficulty, shorten the adjusting time, the labour intensity that has reduced workman, has improved operating efficiency.When work there is rotation in the same way with workpiece in the 3rd bearing 5, is mainly rolling friction between the two, concerning workpiece and the 3rd bearing 5, weares and teares all very little, improved like this repetitive positioning accuracy of workpiece, and then improved the machining accuracy of workpiece.Ensure the axiality of the workpiece in production in order to lock the position of the 3rd bearing 5, tighten three tie down screws 9 in radiai adjustment mechanism, make radiai adjustment mechanism there is stable support force.
Above-mentioned detailed description of the invention can not be served as limiting the scope of the invention, and for those skilled in the art, any alternate modification that embodiment of the present invention is made or conversion all drop in protection scope of the present invention.
The present invention does not describe part in detail, is those skilled in the art of the present technique's known technology.

Claims (4)

1. one kind facilitates adjustable type centre frame, it is characterized in that: comprise upper frame and lower frame, one side of upper frame and lower frame is hinged, opposite side is provided with the fixture that connects upper frame and lower frame, upper frame and lower frame form an annular frame, evenly be laid with three radiai adjustment mechanisms along annular frame circumferencial direction, radiai adjustment mechanism comprises the radiai adjustment hole being located on annular frame, in radiai adjustment hole, be provided with an annular sliding sleeve being slidably connected with it, be provided with a roller devices being flexibly connected with it at the end of annular sliding sleeve, one screw mandrel stretches into annular sliding sleeve and is threaded with it, be provided with an end cap being connected with wire rod thread that stretches into radiai adjustment hole in the outer end in radiai adjustment hole, be provided with a clutch shaft bearing being set on screw mandrel in the part that stretches into radiai adjustment hole of end cap, the position of the corresponding screw mandrel tie down screw that is threaded on the sidewall in radiai adjustment hole, one horizontally disposed rotating shaft is stretched in the beam barrel chamber of lower frame bottom and is flexibly connected with it, one end of rotating shaft and the first bevel gear are connected, top at the screw mandrel near in the radiai adjustment mechanism of the first bevel gear is provided with second bevel gear being meshed with the first bevel gear, be provided with in lower frame bottom the sliding-rail groove matching with lathe slide rail, below lower frame, be provided with base plate, the clamping screw penetrating from base plate bottom stretches in the cavity of lower frame bottom and is connected with nut.
2. one according to claim 1 facilitates adjustable type centre frame, it is characterized in that: be provided with the first radiai adjustment mechanism at the middle part of upper frame, be respectively equipped with the second radiai adjustment mechanism and the 3rd radiai adjustment mechanism in the left and right sides of lower frame, the angle between the first radiai adjustment mechanism, the second radiai adjustment mechanism and the 3rd radiai adjustment mechanism is 120 °; The first bevel gear that is located at rotating shaft one end is meshed with the second bevel gear on the 3rd radiai adjustment mechanism screw mandrel, and the other end of rotating shaft and the second radiai adjustment mechanism are positioned at the same side.
3. one according to claim 1 facilitates adjustable type centre frame, it is characterized in that: described fixture comprises that one through the lock shaft that stretches into lower frame after upper frame, be provided with the second bearing and the butterfly spring being sheathed on lock shaft in upper frame bottom, the upper end of butterfly spring and the second bearing connect, the lower end of butterfly spring and the upper end of lower frame connect, one nut that is positioned at upper frame top is connected with the thread segment of lock shaft upper end, is provided with a cushion block being sheathed on lock shaft between nut and upper frame.
4. facilitate adjustable type centre frame according to the one described in claim 1 or 2 or 3, it is characterized in that: described roller devices is the 3rd bearing.
CN201410281571.7A 2014-06-20 2014-06-20 Conveniently adjustable central frame Pending CN104015063A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410281571.7A CN104015063A (en) 2014-06-20 2014-06-20 Conveniently adjustable central frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410281571.7A CN104015063A (en) 2014-06-20 2014-06-20 Conveniently adjustable central frame

Publications (1)

Publication Number Publication Date
CN104015063A true CN104015063A (en) 2014-09-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410281571.7A Pending CN104015063A (en) 2014-06-20 2014-06-20 Conveniently adjustable central frame

Country Status (1)

Country Link
CN (1) CN104015063A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105215707A (en) * 2015-11-09 2016-01-06 烟台市三立机械设备有限公司 Steel band preforming roller processing tool
CN105345034A (en) * 2015-11-28 2016-02-24 芜湖天金机械有限公司 Cardan shaft lever end face turning reversing mechanism
CN109252669A (en) * 2018-10-09 2019-01-22 江苏建筑职业技术学院 Finger pressing device in a kind of building engineering construction device
CN109457983A (en) * 2018-10-09 2019-03-12 江苏建筑职业技术学院 Pinning regulating mechanism in a kind of building engineering construction device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB558430A (en) * 1943-06-08 1944-01-05 William James Evans An improved steady for lathes and the like
DE20119931U1 (en) * 2001-12-08 2002-03-28 Richter Vorrichtungsbau Gmbh H Fast centering bezel
CN2843680Y (en) * 2005-12-02 2006-12-06 天水星火机床有限责任公司 Horizontal lathe C-shaped centering holder
CN102764992A (en) * 2012-08-24 2012-11-07 无锡市聚英机械制造有限公司 Center frame for lathe for processing shaft-shaped workpiece
CN103447845A (en) * 2013-09-06 2013-12-18 湖州天和机械有限公司 Shaft-like workpiece fixing device
CN203636378U (en) * 2013-09-17 2014-06-11 马鞍山市益华液压机具有限公司 Clamp center frame for lathe
CN203993168U (en) * 2014-06-20 2014-12-10 泰安海威数控机床有限公司 A kind of adjustable type centre frame that facilitates

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB558430A (en) * 1943-06-08 1944-01-05 William James Evans An improved steady for lathes and the like
DE20119931U1 (en) * 2001-12-08 2002-03-28 Richter Vorrichtungsbau Gmbh H Fast centering bezel
CN2843680Y (en) * 2005-12-02 2006-12-06 天水星火机床有限责任公司 Horizontal lathe C-shaped centering holder
CN102764992A (en) * 2012-08-24 2012-11-07 无锡市聚英机械制造有限公司 Center frame for lathe for processing shaft-shaped workpiece
CN103447845A (en) * 2013-09-06 2013-12-18 湖州天和机械有限公司 Shaft-like workpiece fixing device
CN203636378U (en) * 2013-09-17 2014-06-11 马鞍山市益华液压机具有限公司 Clamp center frame for lathe
CN203993168U (en) * 2014-06-20 2014-12-10 泰安海威数控机床有限公司 A kind of adjustable type centre frame that facilitates

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105215707A (en) * 2015-11-09 2016-01-06 烟台市三立机械设备有限公司 Steel band preforming roller processing tool
CN105345034A (en) * 2015-11-28 2016-02-24 芜湖天金机械有限公司 Cardan shaft lever end face turning reversing mechanism
CN109252669A (en) * 2018-10-09 2019-01-22 江苏建筑职业技术学院 Finger pressing device in a kind of building engineering construction device
CN109457983A (en) * 2018-10-09 2019-03-12 江苏建筑职业技术学院 Pinning regulating mechanism in a kind of building engineering construction device

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Application publication date: 20140903