CN202317747U

CN202317747U - Tooling for screw air compressor

Info

Publication number: CN202317747U
Application number: CN2011203332119U
Authority: CN
Inventors: 王振川; 常杰
Original assignee: Beijing Nankou Railway Transit Machinery Co Ltd
Current assignee: Beijing Zhongche Nankow Machinery Co Ltd
Priority date: 2011-09-06
Filing date: 2011-09-06
Publication date: 2012-07-11
Anticipated expiration: 2021-09-06

Abstract

The utility model discloses a tooling for a screw air compressor and is used for machining and clamping an 80 cube screw air compressor body. The tooling comprises a base, two fixed support blocks arranged on the base, a platen assembly and an N-shaped platen. More than three installing holes are arranged on the base. Positioning bolts are arranged on the top surface of the fixed supporting blocks. The platen assembly comprises two studs arranged on the base and a platen arranged on the studs in a penetration mode, and the studs are provided with fasteners. The N-shaped platen is fixed on the base through the fasteners, and the bottom of one end which extends downward on the N-shaped platen abuts against the top surface of the base. The screw air compressor is simultaneously positioned in axial and vertical directions and on a plane perpendicular to the vertical direction, therefore the processing accuracy is improved. The tooling is precise in positioning, convenient in installation, and easy to adjust.

Description

The frock that is used for screw air compressor

Technical field

The utility model relates to a kind of frock that is used for screw air compressor of field of machining, relates in particular to a kind of frock that is used for screw air compressor, is used for 80 cubes of screw air compressor bodies and carries out machining.

Background technology

80 cubes of screw air compressor host bodies are carried out pin-and-hole and plane processing, belong to large thin-wall element processing, 80 cubes of screw air compressors drag the head of two air compressor machines of integral type setting through a motor; The pin-and-hole that is used to locate on plane that is connected with motor and two heads has the higher processing precision requirement man-hour adding; This just need not only will make the location of 80 cubes of screw air compressor host body suction end bodies and exhaust end body reliable in reality processing, guarantees machining accuracy; And in order to adapt to production in enormous quantities; The frock that also must be used in screw air compressor can be used repeatedly, and clamping is simple, is convenient to workman's operation.Prior art utilize general jig with 80 cubes of screw air compressor host body clampings on lathe; Need repeatedly manual synchronizing, adjustment; And be difficult to simultaneously to satisfy in the horizontal direction, the positioning accuracy on vertical direction and the vertical direction, thereby be difficult to guarantee machining accuracy.

The utility model content

The utility model provides a kind of frock that is used for screw air compressor, in order to solving defective of the prior art, improves machining accuracy, makes screw air compressor suction end and exhaust end accurate positioning, install convenient, be easy to adjust.

Utility model provides a kind of frock that is used for screw air compressor, is made up of pedestal, two fixed support block, Anchor plate kit and the N shape pressing plate that are located on the said pedestal; Wherein said pedestal is provided with and is used for more than three through the fixing installing hole of securing member and lathe chassis; Said fixed support block end face is provided with bolt; Anchor plate kit comprises that two double-screw bolts and the two ends that are located on the said pedestal are located in the pressing plate on said two double-screw bolts respectively, and said double-screw bolt is provided with securing member; Said N shape pressing plate is fixed on the said pedestal through securing member, and it is conflicted to a bottom portion that extends below and said base top surface.

Wherein, said double-screw bolt top is passed in the hole that is located at said pressing plate two ends, and said double-screw bolt stretches out the part of said pressing plate and establishes clamp nut.

Further, said pedestal is provided with the adjustable supports piece, and said adjustable supports piece and said N shape pressing plate lay respectively at the both sides of line between the two said fixed support block, and said adjustable supports piece end face is provided with adjusting screw(rod), and said adjusting screw(rod) is provided with adjusting nut.

Particularly, said pedestal is provided with the centralized positioning axle, and said centralized positioning axle is used for cooperating with the center positioning hole that is located at the work piece bottom.

The frock that is used for screw air compressor that the utility model provides; With the bottom surface of 80 cubes of screw air compressors, two head suction end bodies and the end face that is connected with motor as locating surface; Two holes on the bottom surface cooperate installation as dowel hole with bolt on the fixed support block end face; Fix with a N shape pressing plate and pedestal; The upper side that extends upward an end through N shape pressing plate is conflicted mobile under the effect of axial operating force in the bore hole process to limit it on 80 cubes of screw air compressors and end face that motor is connected; Limit 80 cubes of screw air compressors through Anchor plate kit and produce the deformation effect machining accuracy at vertical direction, the location is reliable, and machining accuracy is high and simple to operate.

Description of drawings

Fig. 1 adds the three-dimensional reference view of user mode in man-hour for the utility model is used for 80 cubes of screw air compressor host bodies.

Fig. 2 is the front view of Fig. 1.

Fig. 3 is the vertical view of Fig. 2.

Fig. 4 is the left view of Fig. 2.

Reference numeral:

The 1-work piece; The 2-pedestal; The 3-fixed support block;

The 4-Anchor plate kit; 5-N shape pressing plate; 6-centralized positioning axle;

7-adjustable supports piece; The 21-installing hole; The 41-double-screw bolt;

The 42-pressing plate; The 43-clamp nut; The 8-bolt;

The 31-gripper shoe; The 71-adjusting screw(rod); The 72-adjusting nut.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model clearer; To combine the accompanying drawing among the utility model embodiment below; Technical scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.

See also accompanying drawing 1-4; The utility model embodiment provides a kind of frock that is used for screw air compressor, this frock pedestal 2, be located at two fixed support block 3 on the pedestal 2, be used for vertical direction fixedly work piece 1 Anchor plate kit 4 and be used for limiting work piece 1 and constitute at the axial mobile down N shape pressing plate 5 of operating force effect at horizontal axis; Wherein pedestal 2 is provided with and is used for more than three through the fixing installing hole 21 of securing member and lathe chassis; Fixed support block 3 end faces are provided with bolt 8, and fixed support block 3 is fastening with the nut that work piece 1 underrun is located on the bolt 8; Fixed support block 3 is located at the both sides of work piece 1, and the bolt 8 of fixed support block 3 end faces is corresponding to the locating hole that is provided with on the work piece 1, and bolt 8 penetrates in the locating hole from the bottom, passes on the bolt 8 of locating hole and wears gripper shoe 31 and nut.

Anchor plate kit 4 by upright be located at two double-screw bolts 41 on the pedestal 2, the pressing plate 42 that two ends are through respectively on two double-screw bolts 41 constitutes; Pressing plate 42 is pressed on work piece 1 end face; Double-screw bolt 41 bottoms are fixed on the pedestal 2, and top is passed in the hole at these pressing plate 42 two ends, and double-screw bolt 41 stretches out the part of pressing plate 42 and establishes clamp nut 43.

N shape pressing plate 5 is fixed on the pedestal 2 through securing member (nut), and it conflicts the end face conflict of its upwardly extending end top and work piece 1 to a bottom portion that extends below and pedestal 2 end faces.

Also be provided with adjustable supports piece 7 on the pedestal 2; Adjustable supports piece 7 and N shape pressing plate 5 lay respectively at the both sides of line between two fixed support block 3; Adjustable supports piece 7 end faces are provided with adjusting screw(rod) 71, and adjusting screw(rod) 71 is provided with adjusting nut 72, and the end face of adjusting nut 72 supports the bottom surface of work piece 1.

Pedestal 2 is provided with centralized positioning axle 6, and centralized positioning axle 6 cooperates (work piece 1 necessarily has center positioning hole, need be with reference to the centralized positioning hole site during with locating hole that bolt cooperates in processing) with the center positioning hole that is located at work piece 1 bottom.Center to guarantee work piece 1 overlaps with the center of pedestal 2, and the work piece 1 among this embodiment is 80 cubes of screw air compressor host bodies.

Pedestal 2 one sides are established N shape pressing plate 5, and N shape pressing plate 5 is designed to N shape and makes things convenient for the threading tool thread mill drilling.Be provided with an adjustment cushion block below the N shape pressing plate 5, make things convenient for workpiece centering when rotated; Pedestal 2 opposite sides are established two fixed support block 3; The difference in height of two fixed support block 3 is identical with the difference in height of two bottom surfaces of 80 cubes of air compressor machine bodies, thereby body is placed horizontally on the frock, and two fixed support block 3 end faces respectively have a threaded bolt 8; Bolt 8 can locate and can compress with nut is fastening; The restriction all directions free degree, accurate positioning is firm, is convenient to cutter processing cutting; It is very little to make workpiece press-fit distortion, thereby guarantees machining accuracy.

This frock with the end face of two fixed support block 3 as the locating surface that contacts with 80 cubes of double-screw bolt air compressor machine body bottom surfaces; Bolt 8 on fixed support block 3 end faces passes pedestal 2 and this fixed support block 3 from pedestal 2 bottoms; On fixed support block 3 end faces corresponding to 80 cubes of air compressor machine body bottom surfaces on the position of two locating holes also offer two dowel holes; Two bolts 8 pass the locating hole of air compressor machine body bottom surface and the dowel hole of fixed support block 3 end faces positions; This method location is reliable, simple to operate; Adjustable supports piece 7 is arranged on the front end bore hole face end of work piece 1 (near) of pedestal 2, can be used to the forward foot in a step height level of 80 cubes of air compressor machine bodies is adjusted, and the pressure of corresponding pressing plate 42 above transmitting, and has guaranteed the machining accuracy of 80 cubes of air compressor machines; When roughing, in the middle of the pedestal 2 Anchor plate kit 4 is set, be used for compressing 80 cubes of air compressor machine body end faces; In order to reduce the distortion that compresses of air compressor machine to be processed, after plane and screwed hole were accomplished in roughing, the clamp nut 43 of the Anchor plate kit of installing during roughing 4 all unclamped with the bolt of front end N shape pressing plate 5 and the nut on the bolt 8 and unclamps during fine finishining; After the Stress Release to be processed, tighten the bolt of N shape pressing plate 5 and the nut on the bolt 8 again, the clamp nut 43 of Anchor plate kit 4 is no longer tightened; The utility model is simple and practical; Convenient mounting and clamping; Accurate positioning is reasonable, can guarantee the machining accuracy of 80 cubes of air compressor machines, is fit to very much the batch process of product; And can guarantee the designing requirement of 80 cubes of air compressor machine bodies, can be widely used in engineering shop 80 cubes of air compressor machine bodies are carried out bore hole processing.

What should explain at last is: above embodiment is only in order to the technical scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment technical scheme of essence disengaging the utility model of relevant art scheme.

Claims

1. a frock that is used for screw air compressor is characterized in that, is made up of pedestal, two fixed support block, Anchor plate kit and the N shape pressing plate that are located on the said pedestal; Wherein said pedestal is provided with and is used for more than three through the fixing installing hole of securing member and lathe chassis; Said fixed support block end face is provided with bolt; Anchor plate kit comprises that two double-screw bolts and the two ends that are located on the said pedestal are located in the pressing plate on said two double-screw bolts respectively, and said double-screw bolt is provided with securing member; Said N shape pressing plate is fixed on the said pedestal through securing member, and it is conflicted to a bottom portion that extends below and said base top surface.

2. the frock that is used for screw air compressor according to claim 1 is characterized in that, said double-screw bolt top is passed in the hole that is located at said pressing plate two ends, and said double-screw bolt stretches out the part of said pressing plate and establishes clamp nut.

3. the frock that is used for screw air compressor according to claim 1; It is characterized in that; Said pedestal is provided with the adjustable supports piece; Said adjustable supports piece and said N shape pressing plate lay respectively at the both sides of line between the two said fixed support block, and said adjustable supports piece end face is provided with adjusting screw(rod), and said adjusting screw(rod) is provided with adjusting nut.

4. the frock that is used for screw air compressor according to claim 1 is characterized in that said pedestal is provided with the centralized positioning axle, and said centralized positioning axle is used for cooperating with the center positioning hole that is located at the work piece bottom.