CN106239207B

CN106239207B - Face tool for processing

Info

Publication number: CN106239207B
Application number: CN201610697807.4A
Authority: CN
Inventors: 袁茂凯
Original assignee: TIANJIN AITIAN AUTO PARTS Co Ltd
Current assignee: Tianjin Chengtian New Energy Co ltd
Priority date: 2016-08-18
Filing date: 2016-08-18
Publication date: 2018-10-02
Anticipated expiration: 2036-08-18
Also published as: CN106239207A

Abstract

The present invention provides face tool for processing, belong to numerically-controlled machine tool processing equipment field, forward and backward positioning component, left and right positioning component and upper and lower positioning component, the forward and backward positioning component can be clamped the both sides of workpiece, and rear positioning component can carry out inner support, deformation when both sides being avoided to clamp while being positioned to the open end of workpiece, prelocalization component is by hydraulic oil cylinder driving, clamping after being placed to workpiece, lower positioning component are supported, and upper positioning component is compressed.The positioning and clamping of workpiece six direction, firm position and positioning accuracy height can be achieved in the present invention, is conducive to promote machining accuracy.

Description

Face tool for processing

Technical field

The invention belongs to numerically-controlled machine tool processing equipment fields, more particularly, to face tool for processing.

Background technology

In automobile manufacture industry, the part process requirements of various shapes, wherein numerous parts can be encountered because of shape portion Irregularly, the conventional clamp not being applicable in is to meet the needs of machining center installation positioning, if matched using other machine tools Manual processing is closed, and machining accuracy and working efficiency can be substantially reduced, influences to produce, the processing positioning of wherein U-shaped workpiece is exactly One of problem, existing frequently-used U-shaped part fixture are added again to pipe fitting after respectively clamping the offside of U-tube part Work, the but it is difficult to ensure that pipeline of U-tube part is indeformable, in particular for thinner thickness and by the U-shaped part of certain depth for, In order to ensure that machining accuracy, positioning fixture are even more to be even more important.

Invention content

The problem to be solved in the present invention, which is to provide one kind, can be accurately positioned and can guarantee the indeformable processing of U-shaped workpiece with controlling Tool.

In order to achieve the above objectives, the technical proposal of the invention is realized in this way：Face tool for processing, including turntable and folder Component is held, the turntable is fixed on by big bottom plate on the workbench of lathe, and the stationary plane of the turntable is perpendicular to the outsole The upper surface of plate, the clamp assemblies, which are fixed on the stationary plane of the turntable and are driven by the turntable, to be rotated, the clamping Component includes support base, and the rear of the support base upper end is equipped with locating rack, and front is equipped with and pushes away cylinder, a left side for the support base upper end Right both sides are also arranged with clamping cylinder, and the front end of the clamping cylinder is equipped with clamping plate, the clamping plate be located at the locating rack and It is described push away cylinder between, the equivalent width of minimum range and U-shaped workpiece to be clamped between the symmetrically arranged clamping plate is described It is additionally provided with rotation hold-down cylinder at left and right sides of the upper end of support base, the rotation hold-down cylinder is located at the clamping cylinder and described pushes away cylinder Between, the upper end of the rotation hold-down cylinder is equipped with hold-down head, under clamped condition, the lower face of the hold-down head and U-shaped to be clamped The upper surface contact setting of workpiece.

Further, set on the turntable there are two stationary plane, each stationary plane be arranged side by side be equipped with above it is described Clamp assemblies.

Further, the clamp assemblies further include pedestal, and the pedestal is fixed on the stationary plane of the turntable, described Support base includes the first fixed plate and the second fixed plate, and first fixed plate and second fixed plate are vertically arranged and are formed L shape, on the base, second fixed plate is perpendicular to the pedestal and is horizontally disposed with for the first fixed plate solid lock, Described to position the upper surface for being erected at second fixed plate, the clamping cylinder is installed in the left and right sides of the locating rack, institute The upper end for stating the second fixed plate is vertically equipped with mounting plate far from one end of first fixed plate, and the mounting plate is equipped with and pushes away Cylinder, the vertical plane where the force-output shaft central axes for pushing away cylinder overlap setting with the vertical median plane of U-shaped workpiece to be clamped.

Further, the locating rack include be arranged front center supporting-core and be symmetricly set on the first fixed of both sides Position boss, the distance of the front end of the supporting-core apart from first fixed plate are more than first positioning convex platform apart from described the The distance of one fixed plate, the equivalent width of the width of the supporting-core and U-shaped workpiece openings to be clamped.

Further, the front end of first positioning convex platform is additionally provided with the second positioning convex platform, second positioning convex platform at Quadrangle is arranged and contacts setting with the rear end face of U-shaped workpiece to be clamped.

Further, the front end for pushing away cylinder force-output shaft be equipped with cut somebody's hair, it is described cut somebody's hair it is coaxial with the force-output shaft for pushing away cylinder Setting, described cut somebody's hair far from described one end for pushing away cylinder is cambered surface.

Compared with prior art, the invention has the advantages and positive effects that：1, present invention setting whole process In be all made of machinery positioning, avoid the error of artificial clamping, improve repetitive positioning accuracy, and then ensure that the essence of processing Degree, and driving is all made of oil cylinder, and clamping force is big, clamps securely, stable and reliable for performance；2, the both sides of clamp assemblies are using folder Tight cylinder is positioned, and lower end is supported positioning, and upper end drives hold-down head to be compressed by rotation hold-down cylinder, and rear end is by locating rack Positioning is carried out to give, front end is positioned by pushing away cylinder progress movement in the front-back direction and positioning, six direction, and positioning accuracy is high, and And workpiece openings end carries out internal support using the method built in supporting-core, avoids causing workpiece to deform in clamping process, favorably In the promotion of machining accuracy.

Description of the drawings

The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：

Fig. 1 is the vertical view of U-shaped workpiece of the present invention；

Fig. 2 is the front view of U-shaped workpiece of the present invention；

Fig. 3 is the front view of face processing positioning component and the cooperation of big bottom plate of the present invention；

Fig. 4 is the vertical view of face processing positioning component and the cooperation of big bottom plate of the present invention；

Fig. 5 is the left view of face processing positioning component and the cooperation of big bottom plate of the present invention；

Fig. 6 is the vertical view of processing positioning component in face of the present invention；

Fig. 7 is the front view of processing positioning component in face of the present invention；

Fig. 8 is the left view of processing positioning component in face of the present invention；

Fig. 9 is the portions the A detail drawing of processing positioning component in face of the present invention；

Figure 10 is the structural schematic diagram of the first positioning convex platform and the second positioning convex platform cooperation of the invention；

Figure 11 is the front view of hole machined positioning component of the present invention and the cooperation of big bottom plate；

Figure 12 is the left view of hole machined positioning component of the present invention and the cooperation of big bottom plate；

Figure 13 is the front view of hole machined positioning component of the present invention；

Figure 14 is the vertical view of hole machined positioning component of the present invention.

Reference sign：

The big bottom plates of 1-；2- keys；3- turntables；31- stationary planes；4- clamping cylinders；41- clamping plates；5- locating racks；51- supporting-cores； The first positioning convex platforms of 52-；The second positioning convex platforms of 53-；6- pedestals；7- support bases；The first fixed plates of 71-；The second fixed plates of 72-； 8- rotates hold-down cylinder；81- hold-down heads；9- mounting plates；91- pushes away cylinder；92- cuts somebody's hair；10- guide tables；21- drive cylinders；22- is covered Plate；221- connecting rods；23- pinboards；24- positioning columns：25- positioning tables；The first locating pieces of 251-；The second locating pieces of 252-； 253- positioning protrusion；26- positional cylinders；261- positioning heads；27- limiting stands；271- cushion pads；272- pressure plates；273- limit convexes It rises；60- U-shaped workpiece to be clamped；61- open ends；62- inner side planes；63- medial planes；64- rear ends；65- inner arcs Face.

Specific implementation mode

It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase Mutually combination.

In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as pair The limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can To express or implicitly include one or more this feature.In the description of the present invention, unless otherwise indicated, " multiple " It is meant that two or more, in the present invention, the main tapping of face numerical control machining center, uprights direction is " rear ", Main tapping direction is " preceding "；Left and right is also as benchmark.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition Concrete meaning in the present invention.

Specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the present invention is face tool for processing, including face processing positioning component, hole machined Positioning component and big bottom plate 1, big bottom plate 1 are fixed on the workbench of lathe and are oriented to by key 2 therebetween, face processing Positioning component and hole machined positioning component are each attached to the upper surface of big bottom plate 1, and face processes positioning component and hole machined positioning group Part is directed to 60 two different process segments of U-shaped workpiece to be clamped；Face processing positioning component includes turntable 3 and clamp assemblies, is turned Platform 3 is fixed on big bottom plate 1, and for the stationary plane 31 of turntable 3 perpendicular to the upper surface of big bottom plate, clamp assemblies are fixed on turntable 3 It being driven on stationary plane 31 and by turntable 3 and is rotated, clamp assemblies include support base 7, and the rear of 7 upper end of support base is equipped with locating rack 5, The front end face of locating rack 5 contacts setting with the open end 61 of U-shaped workpiece 60 to be clamped, is equipped in front of support base and pushes away cylinder 91, pushed away Cylinder 91 contacts setting with the rear ends 64 of U-shaped workpiece 60 to be clamped, and the left and right sides of 7 upper end of support base is also arranged with clamping The front end of cylinder 4, clamping cylinder 4 is equipped with clamping plate 41, between clamping plate 41 is located at locating rack 5 and pushes away cylinder 91, symmetrically arranged clamping The equivalent width of minimum range and U-shaped workpiece 60 to be clamped between plate 41, i.e. minimum range between clamping plate 41 with two The distance between medial plane 63 is consistent, ensures the fastness of clamping；Rotation pressure is additionally provided at left and right sides of the upper end of support base 7 Tight cylinder 8, between rotation hold-down cylinder 8 is located at clamping cylinder 4 and pushes away cylinder 91, the upper end of rotation hold-down cylinder 8 is equipped with hold-down head 81, clamps shape Under state, the lower face of hold-down head 81 contacts setting with the upper surface of U-shaped workpiece 60 to be clamped, and total realizes U to be clamped Shape workpiece 60 ensure that firm position and positioning accuracy in the positioning of up, down, left, right, before and after six direction.

Preferably, as shown in figure 4, being set on turntable 3 there are two stationary plane 31, each stationary plane 31 is arranged side by side equal above Equipped with clamp assemblies, primary shut down can install two workpiece, be completed at the same time the processing of two workpiece, reduce the number of shutdown, carry Rise the efficiency of processing.

Preferably, as shown in figure 8, clamp assemblies further include pedestal 6, pedestal 6 is fixed on the stationary plane 31 of turntable 3, branch It includes the first fixed plate 71 and the second fixed plate 72 to support seat 7, and the first fixed plate 71 and the second fixed plate 72 are vertically arranged and form L Shape, 71 solid lock of the first fixed plate is on pedestal 6, and the second fixed plate 72 is perpendicular to pedestal 6 and is horizontally disposed with, and locating rack 5 is located at The upper surface of second fixed plate 72, clamping cylinder 4 are installed in the left and right sides of locating rack 5, and the upper end of the second fixed plate 72 is far from One end of one fixed plate 71 is vertically equipped with mounting plate 9, and mounting plate 9 is equipped with and pushes away cylinder 91, where the force-output shaft central axes for pushing away cylinder 91 Vertical plane overlap setting with the vertical median plane of U-shaped workpiece 60 to be clamped, be centrally located, uniform force, clamping more stablize； It is highly preferred that the upper surface of the second fixed plate 72 is additionally provided with guide table 10, front-rear direction guide table 10, which is located at, pushes away cylinder 91 and positioning Between frame 5, left and right directions, guide table 10 is located between symmetrically arranged two rotations hold-down cylinder 8, the upper surface essence of guide table 10 Processing and milled processed.

Preferably, locating rack 5 include be arranged front center supporting-core 51 and be symmetricly set on both sides first positioning The distance of boss 52, the first fixed plate of front end distance 71 of supporting-core 51 is more than 52 the first fixed plate of distance 71 of the first positioning convex platform Distance, the equivalent width of the width of supporting-core 51 and U-shaped workpiece 60 to be clamped opening, the i.e. both sides Yu inside of supporting-core 51 are put down Face 62 contacts, and plays certain supporting role, avoids workpiece that U-shaped workpiece 60 to be clamped is caused to deform after the Set and Positioning of both sides, And then the precision of processing is promoted, processing is avoided because workpiece deforms, and promotes the qualification rate of product；It is highly preferred that supporting-core 51 Front end is the circular arc of indent, and the diameter of interior concave arc is identical as the diameter of inside cambered surface 65 of U-shaped workpiece 60 to be clamped, and is filled Under clip-like state, interior concave arc overlaps setting with internal cambered surface 65, and what is generated when link both sides clamping and positioning to a certain extent answers Power deforms the influence to incision position.

Preferably, as illustrated in fig. 7 and fig. 10, the front end of the first positioning convex platform 52 is additionally provided with the second positioning convex platform 53, and second Positioning convex platform 53 is arranged at quadrangle and contacts setting with the rear ends 64 of U-shaped workpiece 60 to be clamped, and the face of large area is connect Thixotroping is changed to the small area contact of quadrangle, while reducing difficulty of processing, advantageously ensures that U-shaped workpiece 60 to be clamped is arranged flat Face degree.

Preferably, as shown in figure 9, the front end for pushing away 91 force-output shaft of cylinder is equipped with and cuts somebody's hair 92, cut somebody's hair 92 with the force-output shaft that pushes away cylinder 91 Coaxial arrangement, 92 separate one end for pushing away cylinder 91 of cutting somebody's hair are cambered surface, and cambered surface is contacted with rear ends 64 to be contacted for line face, frictional force It is small, impression will not be generated to the outer surface of U-shaped workpiece 60 to be clamped, avoid destroying part in clamping process.

As is illustrated by figs. 11 and 12, hole machined positioning component includes limiting stand 27, positioning table of the solid lock on big bottom plate 1 25, positional cylinder 261 and drive cylinder 21, limiting stand 27 are located at 60 longitudinal both ends of U-shaped workpiece to be clamped, limit with positional cylinder 261 Position platform 27 contacts setting with U-shaped workpiece 60 to be clamped, and setting is contacted with U-shaped workpiece 60 to be clamped under 261 stretching state of positional cylinder, Positioning table 25 is located at the lower end of U-shaped workpiece 60 to be clamped and the two contact setting, the driving of drive cylinder 21 cover plate 22 and wait pressing from both sides The movable contact setting in upper surface of tight U-shaped workpiece 60, up and down positioning simultaneously, carry out left and right positioning, ensure that in vertical direction The processing in hole, registration is secured, and stability is good.

Preferably, as shown in figure 13, limiting stand 27 close to one end of positional cylinder 261 be equipped with mating setting cushion pad 271, Pressure plate 272 and limit protrusion 273, cushion pad 271 are located between pressure plate 272 and limiting stand 27, and limit protrusion 273 is located at pressure Setting is contacted on tight plate 272 and with U-shaped workpiece 60 to be clamped, positioning will be come into contact in a large area and be converted to small area contact positioning, drop The difficulty of low processing, and be conducive to the point location of workpiece, more precisely；The positional cylinder of cushion pad 271 and the other end is set 261 are equipped with, and certain buffering can be achieved during clamping, after avoiding positional cylinder 261 from moving, workpiece and limit protrusion The hard contact of machinery is generated during 273 compressions, reduces the probability of surface damage.

Preferably, as shown in figure 14, the quantity of limit protrusion 273 is two, two limit protrusions 273 U relatively to be clamped The longitudinal center plane of shape workpiece 60 is symmetrical arranged, and the quantity of positional cylinder 261 is two, two positional cylinders 261 U-shaped relatively to be clamped The longitudinal center plane of workpiece 60 is symmetrical arranged, and symmetrical structure is more uniformly stressed, and is clamped securely, reliable and stable.

Preferably, positioning table 25 includes the first locating piece 251, the width of the first locating piece 251 and U-shaped workpiece 60 to be clamped Opening width it is consistent, i.e., it is consistent with the spacing of two inner side planes 62, play internal supporting role, the both sides of locating piece 251 It is arranged with the second locating piece 252, the height of the second locating piece 252 is less than the height of the first locating piece 251, the second locating piece 252 upper end is equipped with two positioning protrusion 253 of scattering device, and positioning protrusion 253 contacts setting with end plane 61,

Preferably, cover one end of plate 22 and the force-output shaft of drive cylinder 21 be hinged, cover plate 22 and drive cylinder 21 it Between be additionally provided with connecting rod 221,221 one end of connecting rod and to cover plate 22 hinged close to the end of drive cylinder 21, the other end with drive The upper surface of dynamic oil cylinder 21 is hinged, covers lower end of the plate 22 far from 21 one end of drive cylinder and is equipped with pinboard 23, under pinboard 23 The both ends in portion are equipped with positioning column 24, and the lower face of positioning column 24 is that arc and being contacted with the upper surface of U-shaped workpiece 60 to be clamped is set It sets, the cambered design of 24 lower end of positioning column, the face face of two workpiece is converted into the contact of line face, friction is reduced, avoids and wait for The contact for clamping U-shaped workpiece 60 frays；It is highly preferred that the 23 of pinboard are centrally positioned in the upper surface of U-shaped workpiece 60 to be clamped, And pinboard 23 is angularly disposed, the longitudinal centre line of pinboard 23 and the longitudinal center plane angle of U-shaped workpiece 60 to be clamped are 45 Degree, in the case of angularly disposed, the interval of two positioning columns 24 is larger, covers effect and more stablizes.

In the actual use process, preferred that big bottom plate 2 is fixed on the workbench of lathe, and be arranged between Key is oriented to, and ensures the positioning accuracy of installation, then turntable 3 is fixed on big bottom plate 2, then installs two clamping groups U-shaped workpiece 60 to be clamped is placed on the upper surface of guide table 10 by part, and the upper surface of guide table 10 coating butter reduces frictional force, Then start and push away cylinder 91, cut somebody's hair 92 contacts with back flat 64, and U-shaped workpiece 60 to be clamped is driven to move backward, completes end and puts down Face 61 contact with the second positioning convex platform 53 setting, is completed at the same time the contact with inner side plane 62 of supporting-core 51 setting, it is forward and backward with After the completion of lower three directions positioning, start rotation hold-down cylinder 8, hold-down head 81 rotates after rising to be completed to U-shaped workpiece 60 to be clamped The positioning of upper end, finally starts clamping cylinder 4, and clamping plate 41 completes the positioning to medial plane 63, is finally completed six direction Positioning and internal support, registration and avoid pinching deformation, and the processing of internal cambered surface 65, processing are carried out after the completion of clamping U-shaped workpiece 60 to be clamped is removed after the completion, is installed on hole machined component, on hole machined component, U-shaped workpiece 60 to be clamped Open Side Down and laterally setting, end plane 61 contact setting with positioning table 51, and open end 61 contacts setting with positioning protrusion, One end contacts setting with limit protrusion, then starts positional cylinder 26, and positioning head 261 is set with the end thereof contacts for clamping U-shaped workpiece 60 It sets, to complete the positioning of left and right directions, finally starts drive cylinder 21, drive covers the rotation of plate 22, ensures that positioning column 24 is pressed Tight rear ends 24, to complete the processing in hole in rear ends 24, registration favorably promotes machining accuracy, entire to process Process is all made of machinery positioning, avoids the error that manual operation is brought, ensure that repetitive positioning accuracy, improves part processing Precision, consistency and qualification rate.

One embodiment of the present invention has been described in detail above, but the content be only the present invention preferable implementation Example should not be construed as limiting the practical range of the present invention.It is all according to all the changes and improvements made by the present patent application range Deng should all still fall within the scope of the patent of the present invention.

Claims

1. face tool for processing, it is characterised in that：Including turntable (3) and clamp assemblies, the turntable (3) passes through big bottom plate (1) It is fixed on the workbench of extra bed, the stationary plane (31) of the turntable (3) is described perpendicular to the upper surface of the big bottom plate (1) Clamp assemblies, which are fixed on the stationary plane (31) of the turntable (3) and are driven by the turntable (3), to be rotated, the clamp assemblies packet Support base (7) is included, the rear of support base (7) upper end is equipped with locating rack (5), and front is equipped with and pushes away cylinder (91), the support base (7) left and right sides of upper end is also arranged with clamping cylinder (4), and the front end of the clamping cylinder (4) is equipped with clamping plate (41), the folder Tight plate (41) be located at the locating rack (5) and it is described push away cylinder (91) between, between the symmetrically arranged clamping plate (41) most The equivalent width of small distance and U-shaped workpiece to be clamped is additionally provided with rotation hold-down cylinder at left and right sides of the upper end of the support base (7) (8), the rotation hold-down cylinder (8) be located at the clamping cylinder (4) and it is described push away cylinder (91) between, the rotation hold-down cylinder (8) Upper end is equipped with hold-down head (81), and under clamped condition, the lower face and the upper surface of U-shaped workpiece to be clamped of the hold-down head (81) connect Touch setting；The clamp assemblies further include pedestal (6), and the pedestal (6) is fixed on the stationary plane (31) of the turntable (3), The support base (7) includes the first fixed plate (71) and the second fixed plate (72), first fixed plate (71) and described second Fixed plate (72) is vertically arranged and is formed L shape, and the first fixed plate (71) solid lock is on the pedestal (6), and described second Fixed plate (72) is perpendicular to the pedestal (6) and is horizontally disposed with, and the locating rack (5) is located at the upper of second fixed plate (72) End face, the clamping cylinder (4) are installed in the left and right sides of the locating rack (5), and the upper end of second fixed plate (72) is separate One end of first fixed plate (71) is vertically equipped with mounting plate (9), and the mounting plate (9) is equipped with and pushes away cylinder (91), described to push away Vertical plane where the force-output shaft central axes of cylinder (91) overlaps setting with the vertical median plane of U-shaped workpiece to be clamped.

2. face tool for processing according to claim 1, it is characterised in that：Stationary plane there are two being set on the turntable (3) (31), each stationary plane (31) is arranged side by side is equipped with the clamp assemblies above.

3. face tool for processing according to claim 1, it is characterised in that：The locating rack (5) includes being arranged in front end The supporting-core (51) at middle part and the first positioning convex platform (52) for being symmetricly set on both sides, the front end of the supporting-core (51) is apart from institute The distance for stating the first fixed plate (71) is more than distance of first positioning convex platform (52) apart from first fixed plate (71), institute State the equivalent width of the width and U-shaped workpiece openings to be clamped of supporting-core (51).

4. face tool for processing according to claim 3, it is characterised in that：The front end of first positioning convex platform (52) is also Equipped with the second positioning convex platform (53), second positioning convex platform (53) is arranged at quadrangle and the rear end with U-shaped workpiece to be clamped Face contact setting.

5. face tool for processing according to claim 1, it is characterised in that：The front end for pushing away cylinder (91) force-output shaft is equipped with It cuts somebody's hair (92), cut somebody's hair (92) are coaxially disposed with the force-output shaft for pushing away cylinder (91), and cut somebody's hair (92) push away cylinder far from described (91) one end is cambered surface.