CN202780596U - Positioning fixture machining tubing parts - Google Patents

Positioning fixture machining tubing parts Download PDF

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Publication number
CN202780596U
CN202780596U CN 201220491662 CN201220491662U CN202780596U CN 202780596 U CN202780596 U CN 202780596U CN 201220491662 CN201220491662 CN 201220491662 CN 201220491662 U CN201220491662 U CN 201220491662U CN 202780596 U CN202780596 U CN 202780596U
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China
Prior art keywords
oil cylinder
base
hydraulic
positioning fixture
pipe
Prior art date
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Active
Application number
CN 201220491662
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Chinese (zh)
Inventor
张劼
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.)
Guizhou Southwest Tool Group Co Ltd
Original Assignee
Guizhou Southwest Tool 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 Guizhou Southwest Tool Group Co Ltd filed Critical Guizhou Southwest Tool Group Co Ltd
Priority to CN 201220491662 priority Critical patent/CN202780596U/en
Application granted granted Critical
Publication of CN202780596U publication Critical patent/CN202780596U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a positioning fixture machining tubing parts. The positioning fixture machining the tubing parts comprises a base seat. A fixed type positioning shaft is arranged at one end of the base seat, a hydraulic tightly ejecting oil cylinder is arranged at the other end of the base seat, an oil cylinder seat and a placing rack are installed on the upper surface of the base seat, a hydraulic supporting oil cylinder is arranged on the oil cylinder seat, a support is arranged on the base seat, and the support is provided with the hydraulic supporting oil cylinder and a hydraulic tightly clamping oil cylinder. The positioning fixture machining the tubing parts has the advantages of being simple in structure, convenient to manufacture, ingenious in design, safe, reliable, convenient and quick to clamp and position, capable of guaranteeing the machining accuracy of the tubing parts and improving working efficiency, and the like.

Description

A kind of positioning fixture of processing pipe part
Technical field
The utility model relates to a kind of positioning fixture, particularly a kind of positioning fixture of processing pipe part.
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 produces easily 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 causes undressed plane and side surface of workpiece the overproof problem of irregular perpendicularity to occur easily, cause easily on the other hand excessive clamping or the diastema clamping of workpiece.Owing to there are 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
The purpose of this utility model is: provide a kind of positioning fixture of processing pipe part that a kind of simple in structure, practical, clamping location is quick, can guarantee the thin-walled tubes part processing precision, to overcome the deficiencies in the prior art.
The utility model is constructed as follows: a kind of positioning fixture of processing pipe part, 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 lower ground angulation α of the upper surface of base and base is 2 °~4 °.
Owing to adopted technique scheme, during the utility model work, 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 utility model compared with prior art, the utility model 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 the utility model structural representation;
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 utility model is described in further detail below in conjunction with drawings and Examples.
Enforcement of the present utility model: a kind of positioning fixture of processing pipe 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 owing to locate the insecure and deviations of clamping that the deviation of endoporus and profile causes, thereby guaranteed the machining accuracy of pipe part.
A kind of positioning fixture of processing pipe part, 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 lower ground angulation α of the upper surface of base 1 and base is 2 °~4 °.
Hydraulic top locking oil cylinder 2 in the utility model, 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.
During the utility model work, 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 (5)

1. positioning fixture of processing pipe part, 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.
2. the positioning fixture of processing pipe part according to claim 1 is characterized in that: be provided with 2~4 hydraulic pressure support oil cylinders (3) at base (1).
3. the positioning fixture of processing pipe part according to claim 1 is characterized in that: be provided with 2~4 hydraulic clamp oil cylinders (6) at base (1).
4. the positioning fixture of processing pipe part according to claim 1 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.
5. the positioning fixture of processing pipe part according to claim 1, it is characterized in that: the lower ground angulation α of the upper surface of base (1) and base is 2 °~4 °.
CN 201220491662 2012-09-25 2012-09-25 Positioning fixture machining tubing parts Active CN202780596U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220491662 CN202780596U (en) 2012-09-25 2012-09-25 Positioning fixture machining tubing parts

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220491662 CN202780596U (en) 2012-09-25 2012-09-25 Positioning fixture machining tubing parts

Publications (1)

Publication Number Publication Date
CN202780596U true CN202780596U (en) 2013-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220491662 Active CN202780596U (en) 2012-09-25 2012-09-25 Positioning fixture machining tubing parts

Country Status (1)

Country Link
CN (1) CN202780596U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072013A (en) * 2012-09-25 2013-05-01 贵州西南工具(集团)有限公司 Method and device for clamping slender tube part by hydraulic automatic positioning clamping fixture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072013A (en) * 2012-09-25 2013-05-01 贵州西南工具(集团)有限公司 Method and device for clamping slender tube part by hydraulic automatic positioning clamping fixture
CN103072013B (en) * 2012-09-25 2015-07-29 贵州西南工具(集团)有限公司 The method of fluid pressure type automatic locating clip clamper clamping elongated pipe parts and device

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