CN204843596U

CN204843596U - Juxtaposition pipe semicircle machine tooling special fixture

Info

Publication number: CN204843596U
Application number: CN201520473054.XU
Authority: CN
Inventors: 赵亚军; 谭友强; 陈刚; 陈凯; 张琴娣
Original assignee: JIANGSU BIAOXIN KUBOTA INDUSTRIAL Co Ltd
Current assignee: JIANGSU BIAOXIN INDUSTRY CO., LTD.
Priority date: 2015-07-04
Filing date: 2015-07-04
Publication date: 2015-12-09
Anticipated expiration: 2025-07-04

Abstract

Juxtaposition pipe semicircle machine tooling special fixture, including I, V on V type frame type frame II, guider, V type frame I put up II with the V type and be connected through big bottom plate, V type frame I in be fixed with the lower plate on the big bottom plate, the lower plate pass through a plurality of adjusting bolt and be connected with the upper plate, the upper plate on be provided with little V type piece, stop device and location double -screw bolt, little V type piece on be provided with layering and clamp bolt, II symmetries on V type frame I and the V type frame set up. The utility model discloses a constitute a round simultaneous processing with two juxtapositions pipe semicircles, the allowance and the machining precision of effective control work piece then shortened processing man -hour greatly, have improved the production progress.

Description

Inclined pipe semi arch machined special fixture

technical field:

The utility model relates to a kind of clamping device, relates in particular to a kind of inclined pipe semi arch machined special fixture.

background technology:

Inclined pipe is the vital part of Nuclear power plant main pipeline, and its machined difficulty is large, and palpus application of advanced numerical control device and modern operating technology can be processed.Because inclined pipe belongs to cast member, domestic when processing inclined pipe bottom surface semi arch, need first to be removed by the casting pressing port that semi arch adheres to, then carry out the fine finishining of semi arch, this processing capacity is very large; In addition, process semi arch with boring and milling machine, the diameter of semi arch can not be measured, unfavorable in fine finishining.

Therefore, solve two hang-ups in existing inclined pipe machined: save man-hour, improve machining accuracy; Design this special fixture and just seem particularly important.

Summary of the invention

The object of the present invention is to provide a kind of novel inclined pipe semi arch machined special fixture, it is by placing two inclined pipe symmetries, process simultaneously, inclined pipe semi arch proximate composition circle is processed simultaneously, effectively can control allowance and the machining accuracy of workpiece, then machining period is substantially reduced, improve manufacturing schedule, reduce processing cost.

Inclined pipe semi arch machined special fixture, comprise V-type frame I, V-type frame II, guider, described V-type frame I is connected by large base plate with V-type frame II, in described V-type frame I, large base plate is fixed with lower shoe, described lower shoe is connected with upper plate by several adjusting bolts, and described upper plate is provided with little V-block, stopping means and positioning stud; Described little V-block is provided with press strip and hold-down bolt;

Described V-type frame I is symmetrical arranged with V-type frame II.

Described guider comprises steel plate, large base plate, and one end, large floor is fixed with baffle plate, and described large base plate is provided with grooved rail, and described Interal fixation, on the lower shoe of V-type frame II, described steel plate and the same center line of baffle plate is provided with screwed hole; The lower shoe of described V-type frame II is provided with the rectangular preiection with large bottom plate groove matched in clearance;

Described stopping means is two horizontal positioned, limit stick parallel each other; Described limit stick and little V-block arranged direction are 45 degree of angles.

the beneficial effects of the utility model:

The adverse effect adopting above-mentioned special fixture effectively can improve one loop of nuclear power station main pipeline inclined pipe to add man-hour at bottom surface semi arch, can make a sleeve clamp for two inclined pipes simultaneously, and fixture is comparatively simple, only bottom surface hypotenuse need be fixed between two limit sticks, 45 ° of inclined tubes are stuck in frock between little V-block, and top is fastening by press strip, hold-down bolt.This sleeve clamp is not also used by other colleagues domestic at present, and be our factory's autonomous Design, structure is simple, and be only limitted to inclined pipe and add use in man-hour, a set of frock processes two inclined pipe semi arches simultaneously, and follow-up gantry mill processing profile is also this frock.Therefore this frock is economical and practical, convenient mounting and clamping, will greatly improve clamping performance, Optimization Technology once use, shortens man-hour, can be good at the processing problems solving inclined pipe.

accompanying drawing illustrates:

Fig. 1 is the utility model inclined pipe semi arch machined special fixture front view;

Fig. 2 is the utility model inclined pipe semi arch machined special fixture top view;

1-adjusting bolt in figure; The little V-block of 2-; 3-press strip; 4-hold-down bolt; 5-positioning stud; 6-stopping means; 7-upper plate; 8-lower shoe; 9-steel plate; 10-baffle plate; The large base plate of 11-, 12-V type frame I, 13-V type frame II; 14-screwed hole.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is described in further detail

Inclined pipe semi arch machined special fixture, comprises V-type frame I 12, V-type frame II 13, guider, and large base plate 11 left side is welded with a lower shoe 8; A rectangular recess guide rail is opened on the right, is connected with another lower shoe 8 by matched in clearance; Lower shoe 8 is connected fastening by several adjusting bolts 1 with upper plate 7, and adjusting bolt 1 and lower shoe 8 are welded and fixed; Described upper plate 7 is welded with little V-block 2 according to inclined pipe excircle dimension is spacing, and the press strip 3 of described little V-block 2, by the screwed hole opened at little V-block 2 two ends, connects with bolt;

Described guider comprises steel plate 9, large base plate 11, one end, large floor 11 is welded with baffle plate 10, described large base plate 11 is provided with grooved rail, described steel plate 9 is welded on the lower shoe 8 of V-type frame II 13, described steel plate 9 and the same center line of baffle plate 10 are provided with screwed hole 14, are connected by bolt

; The lower shoe 8 of described V-type frame II 13 is provided with the rectangular preiection matched with large base plate 11 groove gap;

Described stopping means 6 is two horizontal positioned, limit stick parallel each other; Described limit stick and little V-block 2 arranged direction are 45 degree of angles.

During concrete clamping, whole frock is the small-sized V-type frame (12 that symmetry is placed on two same sizes on large base plate 11, 13), V-type frame (12, 13) each placement 45 ° of inclined pipes, inclined pipe 45 ° of inclined tube head level are placed on little V-block 2, bottom surface hypotenuse is stuck between two limit sticks of stopping means 6, the level height of inclined pipe is regulated by 5 adjusting bolts 1, carry out centering water detection with blank die joint and 45 ° of endoporus to put down, after water detection is flat, inclined pipe head cylindrical is compressed by hold-down bolt 4 and press strip 3, afterbody carries out pre-pressing by two positioning studs 5, by the bolt rotated on screwed hole 14, V-type frame II 13 is moved horizontally on guide rail, thus finally determine the home position of two semi arches, once determining, then carrying out locked to workpiece, preventing the relative movement of two inclined pipe horizontal ranges.

Claims

1. inclined pipe semi arch machined special fixture, comprise V-type frame I (12), V-type frame II (13), guider, described V-type frame I (12) is connected by large base plate (11) with V-type frame II (13), it is characterized in that: in described V-type frame I (12), large base plate (11) is fixed with lower shoe (8), described lower shoe (8) is connected with upper plate (7) by several adjusting bolts (1), described upper plate (7) is provided with little V-block (2), stopping means (6) and positioning stud (5), described little V-block (2) is provided with press strip (3) and hold-down bolt (4).

2. inclined pipe semi arch machined special fixture according to claim 1, is characterized in that: described V-type frame I (12) is symmetrical arranged with V-type frame II (13).

3. inclined pipe semi arch machined special fixture according to claim 1, it is characterized in that: described guider comprises steel plate (9), large base plate (11), large floor (11) one end is fixed with baffle plate (10), described large base plate (11) is provided with grooved rail, described steel plate (9) is fixed on the lower shoe (8) of V-type frame II (13), and described steel plate (9) and baffle plate (10) same center line are provided with screwed hole (14).

4. inclined pipe semi arch machined special fixture according to claim 3, is characterized in that: the lower shoe (8) of described V-type frame II (13) is provided with the rectangular preiection with large base plate (11) groove matched in clearance.

5. inclined pipe semi arch machined special fixture according to claim 1, is characterized in that: described stopping means (6) is two horizontal positioned, limit stick parallel each other.

6. inclined pipe semi arch machined special fixture according to claim 1, is characterized in that: described limit stick and little V-block (2) arranged direction are 45 degree of angles.