CN103072013A - Method and device for clamping slender tube part by hydraulic automatic positioning clamping fixture - Google Patents

Method and device for clamping slender tube part by hydraulic automatic positioning clamping fixture Download PDF

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Publication number
CN103072013A
CN103072013A CN2012103602831A CN201210360283A CN103072013A CN 103072013 A CN103072013 A CN 103072013A CN 2012103602831 A CN2012103602831 A CN 2012103602831A CN 201210360283 A CN201210360283 A CN 201210360283A CN 103072013 A CN103072013 A CN 103072013A
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China
Prior art keywords
oil cylinder
base
hydraulic
pipe
hydraulic pressure
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CN2012103602831A
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Chinese (zh)
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CN103072013B (en
Inventor
张劼
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Guizhou Southwest Tool Group Co Ltd
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Guizhou Southwest Tool Group Co Ltd
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Priority to CN201210360283.1A priority Critical patent/CN103072013B/en
Publication of CN103072013A publication Critical patent/CN103072013A/en
Application granted granted Critical
Publication of CN103072013B publication Critical patent/CN103072013B/en
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Abstract

The invention discloses a method and a fixture for clamping a tube part by a hydraulic automatic positioning clamping fixture. When a milling machine is utilized to process the tube part, firstly, the tube part to be processed is put on a tube seat table of a fixture base and between two hydraulic jacking cylinders; then the side surface of the tube part is pressed by a hydraulic support cylinder arranged on a support frame, so that a certain verticality of the to-be-processed flat surface of the tube part to the side surface is kept; subsequently, the hydraulic jacking cylinders and a hydraulic clamping cylinder are used for clamping the tube part; at the moment, the hydraulic support cylinder arranged on the upper surface of the base is started; and when the hydraulic support cylinder comes into contact with the bottom surface of the tube part, the hydraulic support cylinder is automatically locked, so that the bottom of the tube part is fully supported during processing. The method and the fixing have the advantages of simple structure, convenience in processing, clever design, safety, reliability, rapidity in clamping and positioning and the like, the processing precision of the tube part can be guaranteed, and the working efficiency can be increased.

Description

Method and the device of the automatic locating clip clamper of fluid pressure type clamping elongated pipe parts
Technical field
Method and the device of the automatic locating clip clamper of a kind of fluid pressure type of the present invention clamping elongated pipe parts belong to the technical field of anchor clamps clamping parts.
Background technology
At present, a lot of soft and to be processed of workpiece material quality of thin-walled tubes part (such as aluminum pipe) own are elongate articles, existing method is to utilize vertical machining centre that the thin-walled tubes part is carried out cutting plane and boring, tapping, but in clamping and process, find; the thin-walled tubes part easily produces flexural deformation in process; unload and detect size behind the workpiece because the workpiece deformation resilience causes size fluctuation to cause that more greatly workpiece processing scraps and dimension overproof; and a lot of thin-walled tubes External Shape and endoporus location, location degree deviation; when the location; a part easily causes undressed plane and side surface of workpiece the overproof problem of irregular perpendicularity to occur, easily cause on the other hand excessive clamping or the diastema clamping of workpiece.Owing to there being the problems referred to above, the pipe part size that processes does not reach designing requirement, and waste product is many, and efficient is low, brings very large loss to enterprise, so prior art is still perfect not.
Summary of the invention
Goal of the invention of the present invention is: provide a kind of simple in structure, practical, clamping location is quick, can guarantee the automatic locating clip clamper of a kind of fluid pressure type clamping elongated pipe parts of thin-walled tubes part processing precision method and device, to overcome the deficiencies in the prior art.
The present invention is achieved in that the method for the automatic locating clip clamper of a kind of fluid pressure type clamping length thin tube class part, end at locating clip clamper base is equipped with fixed locating shaft, the other end is installed the hydraulic top locking oil cylinder, oil cylinder seat, hydraulic pressure support oil cylinder, bracing frame are installed and shelve seat at base, at bracing frame hydraulic pressure support oil cylinder and hydraulic clamp oil cylinder are installed, at oil cylinder seat the hydraulic pressure support oil cylinder are installed; When utilizing vertical machining centre processing pipe part, at first pipe part to be processed is placed on shelving on the seat of clamp base, then manually lifting the workpiece tail end inserts the positioning datum endoporus of workpiece tail end in the fixed locating shaft, lift again the workpiece other end, the primer fluid locking oil cylinder that bears down on one carries out axial Primary Location and tightens up immediately, workpiece broke away from shelve seat fully this moment, become temporary transient vacant state, crossing of having avoided that location endoporus and profile position degree deviation cause supported or empty support, then contact the side of pipe part by being arranged on hydraulic pressure support oil cylinder on the bracing frame, so that the plane to be processed of pipe part and side keep certain perpendicularity, with the hydraulic clamp oil cylinder pipe part is clamped subsequently, guaranteed that pipe part in the horizontal direction can accurate positioning, clamp firmly, start at last the hydraulic pressure support oil cylinder that arranges on the base oil cylinder seat, when the hydraulic pressure support oil cylinder contacts the pipe part bottom surface, the hydraulic pressure support oil cylinder is automatically locked, make pipe part enough bottom supports be arranged adding man-hour, effectively eliminated and added the machining deformation that produce man-hour, by such clamping method, get rid of pipe part because the clamping that the deviation of location endoporus and profile causes is insecure and deviations, thereby guaranteed the machining accuracy of pipe part.
The automatic locating clip clamper of a kind of fluid pressure type, comprise base, end at base is provided with fixed locating shaft, the other end is provided with the hydraulic top locking oil cylinder, upper surface at base is equipped with oil cylinder seat and rest stand, be provided with the hydraulic pressure support oil cylinder at oil cylinder seat, be provided with bracing frame at base, at bracing frame hydraulic pressure support oil cylinder and hydraulic clamp oil cylinder be installed.
2~4 the hydraulic pressure support oil cylinders that are provided with at base.
Be provided with 2~4 hydraulic clamp oil cylinders at base.
At hydraulic top locking oil cylinder, rest stand and hydraulic pressure support oil cylinder that base arranges on same straight line.
The alleged angle [alpha] in the lower ground of the upper surface of base and base is 2 °~4 °.
Owing to having adopted technique scheme, when the present invention works, at first pipe part is placed on the base platform, then utilize hydraulic pressure support oil cylinder on the bracing frame to contact the side of pipe part, so that the plane to be processed of pipe part and side keep certain perpendicularity, with hydraulic top locking oil cylinder and hydraulic clamp oil cylinder pipe part is clamped subsequently, guaranteed that pipe part in the horizontal direction can accurate positioning, start the hydraulic pressure support oil cylinder that is arranged on base upper surface this moment, when the hydraulic pressure support oil cylinder touches the pipe part bottom surface, the hydraulic pressure support oil cylinder is automatically locked, make pipe part enough bottom supports be arranged adding man-hour, effectively eliminated and added the machining deformation that produce man-hour, utilize at last milling machine that part is processed, the present invention compared with prior art, the present invention not only has simple in structure, advantage easy to process, and design ingenious, safe and reliable, the clamping location is quick, can guarantee the pipe part machining accuracy, the advantage such as increase work efficiency.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of thin-walled tubes part;
Description of reference numerals: 1-base, 2-hydraulic top locking oil cylinder, 3-hydraulic pressure support oil cylinder, 4-rest stand, 5-bracing frame, 6-hydraulic clamp oil cylinder, the fixed locating shaft of 7-, 8-oil cylinder seat.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but not as limitation of the present invention.
Embodiments of the invention: the method for the automatic locating clip clamper of a kind of fluid pressure type clamping length thin tube class part, end at locating clip clamper base is equipped with fixed locating shaft, the other end is installed the hydraulic top locking oil cylinder, oil cylinder seat, hydraulic pressure support oil cylinder, bracing frame are installed and shelve seat at base, at bracing frame hydraulic pressure support oil cylinder and hydraulic clamp oil cylinder are installed, at oil cylinder seat the hydraulic pressure support oil cylinder are installed; When utilizing vertical machining centre processing pipe part, at first pipe part to be processed is placed on shelving on the seat of clamp base, then manually lifting the workpiece tail end inserts the positioning datum endoporus of workpiece tail end in the fixed locating shaft, lift again the workpiece other end, the primer fluid locking oil cylinder that bears down on one carries out axial Primary Location and tightens up immediately, workpiece broke away from shelve seat fully this moment, become temporary transient vacant state, crossing of having avoided that location endoporus and profile position degree deviation cause supported or empty support, then contact the side of pipe part by being arranged on hydraulic pressure support oil cylinder on the bracing frame, so that the plane to be processed of pipe part and side keep certain perpendicularity, with the hydraulic clamp oil cylinder pipe part is clamped subsequently, guaranteed that pipe part in the horizontal direction can accurate positioning, clamp firmly, start at last the hydraulic pressure support oil cylinder that arranges on the base oil cylinder seat, when the hydraulic pressure support oil cylinder contacts the pipe part bottom surface, the hydraulic pressure support oil cylinder is automatically locked, make pipe part enough bottom supports be arranged adding man-hour, effectively eliminated and added the machining deformation that produce man-hour, by such clamping method, get rid of pipe part because the clamping that the deviation of location endoporus and profile causes is insecure and deviations, thereby guaranteed the machining accuracy of pipe part.
The automatic locating clip clamper of a kind of fluid pressure type, comprise base 1, end at base 1 is provided with fixed locating shaft 7, the other end is provided with hydraulic top locking oil cylinder 2, upper surface at base 1 is equipped with oil cylinder seat 8 and rest stand 4, be provided with hydraulic pressure support oil cylinder 3 at oil cylinder seat 8, be provided with bracing frame 5 at base 1, at bracing frame 5 hydraulic pressure support oil cylinder 3 and hydraulic clamp oil cylinder 6 be installed.
2~4 the hydraulic pressure support oil cylinders 3 that are provided with at base 1.
Be provided with 2~4 hydraulic clamp oil cylinders 6 at base 1.
The hydraulic top locking oil cylinder 2, rest stand 4 and the hydraulic pressure support oil cylinder 3 that arrange at base 1 are on same straight line.
The alleged angle [alpha] in the lower ground of the upper surface of base 1 and base is 2 °~4 °.
Hydraulic top locking oil cylinder 2 among the present invention, hydraulic pressure support oil cylinder 3 and hydraulic clamp oil cylinder 6 all are existing hydraulic jack, generally by cylinder body, cylinder bar (piston rod) and seal form, and cylinder interior is divided into two parts by piston, lead to respectively an oilhole, because liquid compressibility is than very little, so when one of them oilhole oil-feed, piston will be pushed and make another oilhole fuel-displaced, the piston driving piston rod is done and is stretched out or retraction movement, and vice versa; When hydraulic pressure support oil cylinder 3 touched pipe part, piston can be automatically locked, the relative position of part when guaranteeing the processing location.
When the present invention works, at first pipe part to be processed is placed on shelving on the seat 4 of clamp base 1, endoporus with the workpiece tail end inserts in the fixed locating shaft 7 subsequently, the primer fluid locking oil cylinder 2 that bears down on one axially tentatively tightens up immediately, workpiece broke away from shelve seat fully this moment, become temporary transient vacant state, excessively support or empty support of having avoided internal diameter and profile position deviation to cause, then contact the side of pipe part by being arranged on hydraulic pressure support oil cylinder 3 on the bracing frame 5, so that the plane to be processed of pipe part and side keep certain perpendicularity, this mode has solved the overproof problem of the perpendicularity that is caused by the position degree deviation well, with hydraulic top locking oil cylinder 2 and hydraulic clamp oil cylinder 6 pipe part is clamped subsequently, guaranteed that pipe part in the horizontal direction can accurate positioning, start the hydraulic pressure support oil cylinder 3 that is arranged on base 1 upper surface this moment, when hydraulic pressure support oil cylinder 3 touches the pipe part bottom surface, the hydraulic pressure support oil cylinder is automatically locked, make pipe part enough bottom supports be arranged adding man-hour, effectively eliminated and added the machining deformation that produce man-hour, by such clamping method, guaranteed the machining accuracy of pipe part.

Claims (6)

1. the method for the automatic locating clip clamper of a fluid pressure type clamping length thin tube class part, it is characterized in that: the end at locating clip clamper base is equipped with fixed locating shaft, the other end is installed the hydraulic top locking oil cylinder, oil cylinder seat, hydraulic pressure support oil cylinder, bracing frame are installed and shelve seat at base, at bracing frame hydraulic pressure support oil cylinder and hydraulic clamp oil cylinder are installed, at oil cylinder seat the hydraulic pressure support oil cylinder are installed; When utilizing vertical machining centre processing pipe part, at first pipe part to be processed is placed on shelving on the seat of clamp base, then manually lifting the workpiece tail end inserts the positioning datum endoporus of workpiece tail end in the fixed locating shaft, lift again the workpiece other end, the primer fluid locking oil cylinder that bears down on one carries out axial Primary Location and tightens up immediately, workpiece broke away from shelve seat fully this moment, become temporary transient vacant state, crossing of having avoided that location endoporus and profile position degree deviation cause supported or empty support, then contact the side of pipe part by being arranged on hydraulic pressure support oil cylinder on the bracing frame, so that the plane to be processed of pipe part and side keep certain perpendicularity, with the hydraulic clamp oil cylinder pipe part is clamped subsequently, guaranteed that pipe part in the horizontal direction can accurate positioning, clamp firmly, start at last the hydraulic pressure support oil cylinder that arranges on the base oil cylinder seat, when the hydraulic pressure support oil cylinder contacts the pipe part bottom surface, the hydraulic pressure support oil cylinder is automatically locked, make pipe part enough bottom supports be arranged adding man-hour, effectively eliminated and added the machining deformation that produce man-hour, by such clamping method, get rid of pipe part because the clamping that the deviation of location endoporus and profile causes is insecure and deviations, thereby guaranteed the machining accuracy of pipe part.
2. automatic locating clip clamper of fluid pressure type, comprise base (1), it is characterized in that: the end at base (1) is provided with fixed locating shaft (7), the other end is provided with hydraulic top locking oil cylinder (2), upper surface at base (1) is equipped with oil cylinder seat (8) and rest stand (4), be provided with hydraulic pressure support oil cylinder (3) at oil cylinder seat (8), be provided with bracing frame (5) at base (1), at bracing frame (5) hydraulic pressure support oil cylinder (3) and hydraulic clamp oil cylinder (6) be installed.
3. the automatic locating clip clamper of fluid pressure type according to claim 2 is characterized in that: be provided with 2~4 hydraulic pressure support oil cylinders (3) at base (1).
4. the automatic locating clip clamper of fluid pressure type according to claim 2 is characterized in that: be provided with 2~4 hydraulic clamp oil cylinders (6) at base (1).
5. the automatic locating clip clamper of fluid pressure type according to claim 2 is characterized in that: the hydraulic top locking oil cylinder (2), rest stand (4) and the hydraulic pressure support oil cylinder (3) that arrange at base (1) are on same straight line.
6. the automatic locating clip clamper of fluid pressure type according to claim 2, it is characterized in that: the alleged angle [alpha] in the upper surface of base (1) and the lower ground of base is 2 °~4 °.
CN201210360283.1A 2012-09-25 2012-09-25 The method of fluid pressure type automatic locating clip clamper clamping elongated pipe parts and device Active CN103072013B (en)

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CN201210360283.1A CN103072013B (en) 2012-09-25 2012-09-25 The method of fluid pressure type automatic locating clip clamper clamping elongated pipe parts and device

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Application Number Priority Date Filing Date Title
CN201210360283.1A CN103072013B (en) 2012-09-25 2012-09-25 The method of fluid pressure type automatic locating clip clamper clamping elongated pipe parts and device

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CN103072013A true CN103072013A (en) 2013-05-01
CN103072013B CN103072013B (en) 2015-07-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737367A (en) * 2013-12-30 2014-04-23 姚晓明 Clamping method of milling platform on tube
CN104259878A (en) * 2014-08-29 2015-01-07 王万虎 Milling machine top face milling clamp
CN106064318A (en) * 2016-08-17 2016-11-02 无锡瑞真精机股份有限公司 A kind of fixture being used for processing automobile steering device housing
CN112975465A (en) * 2021-03-01 2021-06-18 常州机电职业技术学院 Combined machine tool clamp for roughly boring bearing hole of tractor gearbox

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3341542A1 (en) * 1983-11-17 1985-05-30 Günter 3548 Arolsen Meywald Clamping device for use on or in machining stations of machine tools
CN2394754Y (en) * 1999-09-17 2000-09-06 张维克 Hydraulic piece fastening device for hook tong grinder of railway car hook
CN201239800Y (en) * 2008-08-15 2009-05-20 宁波海天精工机械有限公司 Dividing spindle servo gear for processing heavy type shaft parts
CN101879680A (en) * 2009-05-08 2010-11-10 广西玉柴机器股份有限公司 Cylinder cover positioning and clamping device in the process of finish-milling top surface of cylinder cover
CN102133656A (en) * 2011-04-14 2011-07-27 大连机床集团有限责任公司 Milling fixture mechanism for crankcase-like workpieces
CN202780596U (en) * 2012-09-25 2013-03-13 贵州西南工具(集团)有限公司 Positioning fixture machining tubing parts

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3341542A1 (en) * 1983-11-17 1985-05-30 Günter 3548 Arolsen Meywald Clamping device for use on or in machining stations of machine tools
CN2394754Y (en) * 1999-09-17 2000-09-06 张维克 Hydraulic piece fastening device for hook tong grinder of railway car hook
CN201239800Y (en) * 2008-08-15 2009-05-20 宁波海天精工机械有限公司 Dividing spindle servo gear for processing heavy type shaft parts
CN101879680A (en) * 2009-05-08 2010-11-10 广西玉柴机器股份有限公司 Cylinder cover positioning and clamping device in the process of finish-milling top surface of cylinder cover
CN102133656A (en) * 2011-04-14 2011-07-27 大连机床集团有限责任公司 Milling fixture mechanism for crankcase-like workpieces
CN202780596U (en) * 2012-09-25 2013-03-13 贵州西南工具(集团)有限公司 Positioning fixture machining tubing parts

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103737367A (en) * 2013-12-30 2014-04-23 姚晓明 Clamping method of milling platform on tube
CN104259878A (en) * 2014-08-29 2015-01-07 王万虎 Milling machine top face milling clamp
CN106064318A (en) * 2016-08-17 2016-11-02 无锡瑞真精机股份有限公司 A kind of fixture being used for processing automobile steering device housing
CN112975465A (en) * 2021-03-01 2021-06-18 常州机电职业技术学院 Combined machine tool clamp for roughly boring bearing hole of tractor gearbox

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Publication number Publication date
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