CN109623452A - A kind of clamping positioning method and Set and Positioning tooling of abnormity crossbeam - Google Patents

A kind of clamping positioning method and Set and Positioning tooling of abnormity crossbeam Download PDF

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Publication number
CN109623452A
CN109623452A CN201811404327.XA CN201811404327A CN109623452A CN 109623452 A CN109623452 A CN 109623452A CN 201811404327 A CN201811404327 A CN 201811404327A CN 109623452 A CN109623452 A CN 109623452A
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China
Prior art keywords
crossbeam
positioning
movable stand
main
clamping
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CN201811404327.XA
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CN109623452B (en
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徐惠民
罗旭
王杰
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Jiangyin Hui Er Letter Precision Equipment Ltd By Share Ltd
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Jiangyin Hui Er Letter Precision Equipment Ltd By Share Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/08Work-clamping means other than mechanically-actuated
    • B23Q3/082Work-clamping means other than mechanically-actuated hydraulically actuated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The present invention relates to machining process equipment technical fields, and it discloses the clamping positioning methods and Set and Positioning tooling of a kind of special-shaped crossbeam.The clamping positioning method includes the setting of Set and Positioning tooling, hydraulic system setting, the adjustment of Set and Positioning tooling, lifting positioning, the clamping of crossbeam in the lifting space of setting crossbeam, crossbeam.The Set and Positioning tooling includes bottom plate, is separately positioned on main basal base on the bottom plate left end in plane and right end in plane, leading flank setting element, the bottom face setting element for positioning crossbeam bottom face of positioning crossbeam leading flank are separately provided on the front of the main basal base in plane, the rear portion of the main basal base be provided with can the mobile main movable stand of front-rear direction, be separately provided for holding out against the laterally and tightly propped element of crossbeam trailing flank, the vertical clamping element for compressing beam upper end on the main movable stand.The present invention improves the convenience and stability of crossbeam Set and Positioning operation.

Description

A kind of clamping positioning method and Set and Positioning tooling of abnormity crossbeam
Technical field
The present invention relates to machining process equipment technical fields, and in particular to a kind of clamping positioning method of abnormity crossbeam And Set and Positioning tooling.
Background technique
Crossbeam is widely used a kind of machine components in mechanical equipment, is mainly used for other components in mechanical equipment Installation carrier, need to bear biggish load, and its required precision is higher.When crossbeam is machined, need to cross Beam carries out clamping and fixes, and conventional clamping fixing means is to be leaned against the lower part of crossbeam on cushion block using cushion block and pressing plate, on Portion is fixed with pressing plate.For the crossbeam of high-precision requirement, crossbeam is carried out usually using numerically-controlled machine tool or machining center Machining.
But above-mentioned crossbeam clamping fixing means is primarily adapted for use in the crossbeam of conventional structure, the shape for cross section is The crossbeam of abnormity, such as the large-scale transverse beam in certain textile machine equipment as shown in Figure 5, the cross-sectional shape of crossbeam are abnormity (its crossbeam leading flank is plane, and forms shaped face between beam upper end, crossbeam lower end surface and crossbeam trailing flank), according to work Skill requirement, adds man-hour requirement to be horizontally arranged crossbeam, while requiring to be fixedly clamped again after the leading flank of crossbeam is vertically oriented, such as adopts It is larger that clamping its operation difficulty is carried out with conventional method, and the efficiency of clamping is lower, clamping stability is also poor, after thus causing The cutting force of unbearable increasing, thereby reduces the efficiency and quality being machined to crossbeam when continuous machining.
Summary of the invention
To solve the above-mentioned problems, the present invention proposes the clamping positioning method and Set and Positioning tooling of a kind of special-shaped crossbeam, It is intended to improve the convenience and stability of the operation of crossbeam Set and Positioning, and then improves the efficiency and matter being machined to crossbeam Amount.Specific technical solution is as follows:
A kind of clamping positioning method of abnormity crossbeam, including following method and step:
(1) setting of Set and Positioning tooling: one main basal base is respectively set in the left and right ends of bottom plate, is set between main basal base Several secondary pedestals are set, main movable stand and secondary movable stand are respectively set on main basal base, secondary pedestal, and be arranged on main basal base and be used for Laterally and tightly propped element and vertical pressure is arranged in leading flank setting element, the bottom face setting element for positioning crossbeam on main movable stand Tight element, while setting is used for the floating support oil cylinder of Auxiliary support crossbeam bottom face on secondary pedestal, sets on secondary movable stand Set secondary side top element and vertical clamping element;Leading flank setting element therein, bottom face setting element include steel ball positioning Screw rod, laterally and tightly propped element, vertical clamping element are hydraulic cylinder, and secondary side top element is floating support oil cylinder;
(2) hydraulic system is arranged: hydraulic cylinder, floating support oil cylinder being connected with hydraulic system, and set each liquid The starting pressure and boot sequence of cylinder pressure and floating support oil cylinder;
(3) adjustment of Set and Positioning tooling: according to the length of crossbeam, the spacing of main basal base, secondary pedestal is adjusted;
(4) the lifting space of crossbeam is set: before crossbeam Set and Positioning, main movable stand and secondary movable stand rearward being moved, To concede the upper space of transverse beam lifting;
(5) the lifting positioning of crossbeam: lifting cross beam, so that the bottom face of crossbeam leans against on bottom face setting element, crossbeam Leading flank lean against on leading flank setting element;
(6) clamping of crossbeam: in place, hydraulic system movement is pressed successively suitable for movement forwards for main movable stand and secondary movable stand Sequence drives laterally and tightly propped element to hold out against the trailing flank of crossbeam, the vertical clamping element of driving compresses beam upper end, floating support oil Cylinder withstands the beam body of crossbeam and locks.
As the further improvement to above-mentioned clamping positioning method, in the setting of the Set and Positioning tooling of the step (1) In further include following work step:
The setting of work step 1, axial direction positioning device: the positioning stud of crossbeam axial direction is arranged parallel on main basal base, simultaneously Reference block is installed on the trailing flank lug of crossbeam;
The setting of work step 2, axial grip device: setting holds out against beam-end flange inner end for floating on main basal base The floating support oil cylinder in face;
Meanwhile further including crossbeam in the lifting positioning process of the step (5) crossbeam in lifting, by the base on crossbeam End of the quasi- block by putting down the positioning stud;Its beam-end flange inner side end is used in the clamping process of step (6) crossbeam Floating support oil cylinder withstands and locks.
The Set and Positioning tooling of special-shaped crossbeam its specific structure in above-mentioned clamping positioning method is as follows:
A kind of Set and Positioning tooling of abnormity crossbeam, including bottom plate, it is separately positioned on plane and the right side on the bottom plate left end Main basal base on end in plane is separately provided for the front side of positioning crossbeam leading flank on the front of the main basal base in plane Face setting element, the bottom face setting element for positioning crossbeam bottom face, the rear portion of the main basal base is provided with can front and back To mobile main movable stand, it is separately provided for holding out against laterally and tightly propped element, the use of crossbeam trailing flank on the main movable stand In the vertical clamping element for compressing beam upper end, the main movable stand is moved backward in place before transverse beam lifting positioning to be formed The upper space of the transverse beam lifting positioning, the main movable stand are moved forward in place after the completion of transverse beam lifting positions to realize To the laterally and tightly propped and vertical compression of the crossbeam.
In above-mentioned technical proposal, by the way that leading flank setting element, bottom face setting element and main movement are arranged on main basal base Frame, is arranged laterally and tightly propped element and vertical clamping element on main movable stand, obtains special-shaped crossbeam reliably fixed Position, on the other hand since main movable stand can be moved forward and backward, so as to facilitate transverse beam lifting to position, and improves transverse beam lifting Safety.
As a further improvement of the present invention, it is additionally provided between two main basal bases on the bottom plate several The secondary pedestal that quantity is spaced apart is separately provided for Auxiliary support crossbeam bottom face in plane on the front of the pair pedestal Floating support oil cylinder, the rear portion of the pair pedestal be provided with can the mobile secondary movable stand of front-rear direction, on the pair movable stand Be separately provided for auxiliary jacking crossbeam trailing flank secondary side top element, for assist compress beam upper end vertical pressure Tight element, the secondary side top element are floating support oil cylinder.
Likewise, the pair movable stand is moved backward in place before transverse beam lifting positioning to form the transverse beam lifting positioning Upper space, the pair movable stand moves forward in place after the completion of transverse beam lifting positions to realize to the auxiliary of the crossbeam Laterally and tightly propped and auxiliary is vertical to be compressed.
By the secondary movable stand that secondary pedestal is arranged between two main basal bases and is connected on secondary pedestal, and on secondary pedestal Floating support oil cylinder for Auxiliary support crossbeam bottom face is set, secondary side top element and vertical pressure are set on secondary movable stand Tight element, substantially increases the rigidity of crossbeam Set and Positioning, to be conducive to improve the subsequent efficiency for carrying out crossbeam machining And quality.
As a preferred embodiment, a kind of Set and Positioning tooling of special-shaped crossbeam of the invention further includes axial direction positioning device And axial grip device, the axial direction positioning device include the positioning spiral shell for being arranged on main basal base and being parallel to the crossbeam axial direction Column, the reference block being connected on the crossbeam, end of the reference block by putting down the positioning stud;The axial grip device The floating support oil cylinder of beam-end flange inner side end is held out against for floating to be arranged on main basal base.
By setting axial direction positioning device and axial grip device, the axially position precision of crossbeam is improved, and improve In the rigidity of axis direction after crossbeam Set and Positioning, thus high-power in-milling when being conducive to crossbeam leading flank Milling Machining, Thus the efficiency and quality of machining are further improved.
In the present invention, the reference block is pre-installed on the trailing flank lug of special-shaped crossbeam before transverse beam lifting.
In the present invention, the leading flank setting element includes the column being connected on the bottom plate, is arranged on the column There is its front end to be directed toward the steel ball positioning screw at rear.
In the present invention, the bottom face setting element includes in plane and its front end on the front for be arranged in the main basal base The steel ball positioning screw pointed up.
The front end of steel ball positioning screw in above-mentioned leading flank setting element, bottom face setting element is provided with rotatable Steel ball, so that crossbeam can be shifted easily when crossbeam has position adjustment during lifting and positioning and clamping, and Crossbeam and steel ball contact position are not in scratch.
In the present invention, the vertical clamping element is hydraulic cylinder, and the laterally and tightly propped element is hydraulic cylinder, and described lateral Holding out against in its front end pressure end of the hydraulic cylinder of element has the briquetting that can be swung up and down by stud connection, is provided on the briquetting For holding out against the top pressure face of crossbeam trailing flank.
In the present invention, the main movable stand, secondary movable stand pass through straight line executive component respectively and realize back-and-forth motion.
Preferably, the straight line executive component is one of oil cylinder, cylinder, electric pushrod.
As a further improvement of the present invention, the main basal base, secondary pedestal are movably arranged to realize on the bottom plate The mutual spacing adjustment of the main basal base, secondary pedestal.
Specifically, more gear bolts hole can be arranged on bottom plate, main basal base, secondary pedestal are mounted on to the bolt of different location Realize that the mutual spacing of main basal base, secondary pedestal changes in hole.
In order to facilitate positioning, guide rail or other director elements can be set on bottom plate, so that main basal base, secondary pedestal are along guide rail Or director element linear movement.
It is movably arranged by main basal base, secondary pedestal, the Set and Positioning of the crossbeam of different length specification may be implemented, by This improves the versatility of Set and Positioning tooling.
As a further improvement of the present invention, the main movable stand, secondary movable stand top be also respectively provided with and be used for The second clamping station of crossbeam clamping is carried out when processing small dimension crossbeam.It wherein, equally can be on the second clamping station Corresponding setting element and clamping element are set.
By the way that the second clamping of crossbeam station is arranged on main movable stand, secondary movable stand, main movable stand, pair can be made full use of The structure of movable stand, one side expand the application range of Set and Positioning tooling, reduce tooling expense, another aspect second The Set and Positioning of small dimension crossbeam on clamping station can the simultaneously operating when cross bearer is machined, when processing cross bearer with Small dimension crossbeam can carry out alternately processing, so as to shorten total Set and Positioning time of the part on lathe, improve big The utilization rate of type numerically-controlled machine tool or Large Machining Center, thereby reduces processing cost.
Hydraulic system is additionally provided in the present invention, the floating support oil cylinder, hydraulic cylinder are separately connected hydraulic system, with reality Linkage when existing Set and Positioning clamps.
The beneficial effects of the present invention are:
First, the clamping positioning method and Set and Positioning tooling of a kind of special-shaped crossbeam of the invention, by being set on main basal base Leading flank setting element, bottom face setting element and main movable stand are set, laterally and tightly propped element and vertical is set on main movable stand Clamping element positions special-shaped crossbeam reliably, on the other hand since main movable stand can be moved forward and backward, from And it can be convenient transverse beam lifting positioning, and improve the safety of transverse beam lifting.
Second, the clamping positioning method and Set and Positioning tooling of a kind of special-shaped crossbeam of the invention, by two main bases The secondary movable stand that secondary pedestal is set between seat and is connected on secondary pedestal, and setting is used for Auxiliary support crossbeam bottom on secondary pedestal Secondary side top element and vertical clamping element are arranged on secondary movable stand, substantially increases crossbeam for the floating support oil cylinder of end face The rigidity of Set and Positioning, to be conducive to improve the subsequent efficiency and quality for carrying out crossbeam machining.
Third, the clamping positioning method and Set and Positioning tooling of a kind of special-shaped crossbeam of the invention are axial fixed by setting Position device and axial grip device, improves the axially position precision of crossbeam, and improves after crossbeam Set and Positioning in axis side To rigidity, thus high-power in-milling when being conducive to crossbeam leading flank Milling Machining, thus further improve it is mechanical plus The efficiency and quality of work.
4th, the clamping positioning method and Set and Positioning tooling of a kind of special-shaped crossbeam of the invention, leading flank setting element, The front end of steel ball positioning screw in bottom face setting element is provided with rotatable steel ball, so that crossbeam is lifting And when having adjustment position during positioning and clamping, crossbeam can be shifted easily, and crossbeam and steel ball contact position are not in draw Wound.
5th, the clamping positioning method and Set and Positioning tooling of a kind of special-shaped crossbeam of the invention pass through main basal base, secondary base Being movably arranged for seat, may be implemented the Set and Positioning of the crossbeam of different length specification, which thereby enhances Set and Positioning tooling Versatility.
6th, the of the invention a kind of clamping positioning method and Set and Positioning tooling of special-shaped crossbeam, by main movable stand, The second clamping of crossbeam station is set on secondary movable stand, the structure of main movable stand, secondary movable stand can be made full use of, one side expands The big application range of Set and Positioning tooling, reduces tooling expense, on the other hand the small dimension crossbeam on the second clamping station Set and Positioning can the simultaneously operating when cross bearer is machined, cross bearer can be replaced with small dimension crossbeam when processing Processing improves in large-size numerical control machine or large-scale processing so as to shorten total Set and Positioning time of the part on lathe The utilization rate of the heart, thereby reduces processing cost.
Detailed description of the invention
Fig. 1 is a kind of three dimensional structure diagram of the Set and Positioning tooling of special-shaped crossbeam of the invention;
Fig. 2 is the partial enlarged view of right end portion in Fig. 1;
Fig. 3 is Fig. 1 backwards to 3-D view;
Fig. 4 is the schematic diagram that special-shaped crossbeam Set and Positioning is carried out using the Set and Positioning tooling of Fig. 1;
Fig. 5 is the structural schematic diagram of special-shaped crossbeam.
In figure: 1, crossbeam, 2, bottom plate, 3, main basal base, 4, crossbeam leading flank, 5, leading flank setting element, 6, crossbeam bottom end Face, 7, bottom face setting element, 8, main movable stand, 9, crossbeam trailing flank, 10, laterally and tightly propped element, 11, beam upper end, 12, Vertical clamping element, 13, secondary pedestal, 14, floating support oil cylinder, 15, secondary movable stand, 16, axial direction positioning device, 17, axial folder Tight device, 18, positioning stud, 19, reference block, 20, beam-end flange, 21, beam-end flange inner side end, 22, column, 23, steel ball positioning screw, 24, hinged shaft, 25, briquetting, 26, straight line executive component, the 27, second clamping station, 28, secondary side top member Part, 29, small dimension crossbeam, 30, the trailing flank lug of special-shaped crossbeam.
Specific embodiment
With reference to the accompanying drawings and examples, further description of the specific embodiments of the present invention.Following embodiment is only For clearly illustrating technical solution of the present invention, and not intended to limit the protection scope of the present invention.
Embodiment 1:
As Fig. 1 to 5 show a kind of embodiment of the clamping positioning method of special-shaped crossbeam, including following method and step:
(1) setting of Set and Positioning tooling: being respectively arranged a main basal base 3 in the left and right ends of bottom plate 2, main basal base 3 it Between several secondary pedestals 13 are set, main movable stand 8 and secondary movable stand 15 is respectively set on main basal base 3, secondary pedestal 13, and in main base Leading flank setting element 5, bottom face setting element 7 for positioning crossbeam is set on seat 3, is arranged on main movable stand 8 lateral Element 10 and vertical clamping element 12 are held out against, while setting is used for the floating of Auxiliary support crossbeam bottom face 6 on secondary pedestal 13 Secondary side top element 28 and vertical clamping element 12 is arranged in support cylinder 14 on secondary movable stand 15;Leading flank positioning therein Element 5, bottom face setting element 7 include steel ball positioning screw 23, and laterally and tightly propped element 10, vertical clamping element 12 are hydraulic Cylinder, secondary side top element 28 are floating support oil cylinder;
(2) hydraulic system is arranged: hydraulic cylinder, floating support oil cylinder being connected with hydraulic system, and set each liquid The starting pressure and boot sequence of cylinder pressure and floating support oil cylinder;
(3) adjustment of Set and Positioning tooling: according to the length of crossbeam 1, the spacing of main basal base 3, secondary pedestal 13 is adjusted;
(4) the lifting space of crossbeam is set: before 1 Set and Positioning of crossbeam, main movable stand 8 and secondary movable stand 15 rearward being moved It is dynamic, to concede the upper space of the lifting of crossbeam 1;
(5) the lifting positioning of crossbeam: lifting cross beam 1, so that the bottom face 6 of crossbeam 1 leans against on bottom face setting element 7, The leading flank 4 of crossbeam leans against on leading flank setting element 5;
(6) clamping of crossbeam: in place, hydraulic system movement is pressed successive for movement forwards for main movable stand 8 and secondary movable stand 15 Sequence drives laterally and tightly propped element 10 to hold out against the trailing flank 9 of crossbeam, the vertical clamping element 12 of driving compresses beam upper end 11, floating Dynamic support cylinder withstands the beam body of crossbeam 1 and locks.
As the further improvement to above-mentioned clamping positioning method, in the setting of the Set and Positioning tooling of the step (1) In further include following work step:
The setting of work step 1, axial direction positioning device: being arranged parallel to the axial positioning stud 18 of crossbeam 1 on main basal base 3, Reference block 19 is installed on 9 lug of the trailing flank of crossbeam simultaneously;
The setting of work step 2, axial grip device: setting is held out against in beam-end flange 20 for floating on main basal base 3 The floating support oil cylinder of side end face 21;
Meanwhile further including crossbeam 1 in the lifting positioning process of the step (5) crossbeam 1 in lifting, it will be on crossbeam 1 End of the reference block 19 by putting down the positioning stud 18;Its beam-end flange 20 in the clamping process of step (6) crossbeam 1 Inner side end 21 is withstood and is locked with floating support oil cylinder.
Embodiment 2:
As Fig. 1 to 5 show a kind of embodiment of the Set and Positioning tooling of special-shaped crossbeam of the invention, including bottom plate 2, point Main basal base 3 on 2 left end of bottom plate in plane and right end in plane is not set, on the front of the main basal base 3 in plane It is fixed to be separately provided for the leading flank setting element 5 of positioning crossbeam leading flank 4, the bottom face for positioning crossbeam bottom face 6 Bit unit 7, the rear portion of the main basal base 3 be provided with can the mobile main movable stand 8 of front-rear direction, on the main movable stand 8 respectively It is provided with the laterally and tightly propped element 10 for holding out against crossbeam trailing flank 9, the vertical clamping element for compressing beam upper end 11 12, the main movable stand 8 moves backward empty to form the top of the lifting of crossbeam 1 positioning in place before the lifting positioning of crossbeam 1 Between, the main movable stand 8 is moved forward in place after the completion of crossbeam 1 is lifted and positioned to realize to the laterally and tightly propped of the crossbeam 1 It is compressed with vertical.
In above-mentioned technical proposal, by the way that leading flank setting element 5, bottom face setting element 7 and main shifting are arranged on main basal base 3 Laterally and tightly propped element 10 and vertical clamping element 12 is arranged in moving frame 8 on main movable stand 8, obtains special-shaped crossbeam 1 Reliable positioning so as to facilitate the lifting positioning of crossbeam 1, and improves on the other hand since main movable stand 8 can be moved forward and backward The safety that crossbeam 1 lifts.
As further improvement of this embodiment, it is additionally provided between two main basal bases 3 on the bottom plate 2 The a number of secondary pedestal 13 being spaced apart is separately provided for Auxiliary support cross in plane on the front of the pair pedestal 13 The floating support oil cylinder 14 of beam bottom end face 6, the rear portion of the pair pedestal 13 be provided with can the mobile secondary movable stand 15 of front-rear direction, The secondary side top element 28 of auxiliary jacking crossbeam trailing flank 9 is separately provided on the pair movable stand 15, for assisting pressure The vertical clamping element 12 of tight beam upper end 11, the secondary side top element 28 are floating support oil cylinder.
It is lifted in place with forming the crossbeam 1 likewise, the pair movable stand 15 is moved backward before the lifting positioning of crossbeam 1 The upper space of positioning, the pair movable stand 15 are moved forward in place after the completion of crossbeam 1 is lifted and positioned to realize to the cross The auxiliary of beam 1 is laterally and tightly propped and auxiliary vertically compresses.
By the secondary movable stand 15 that secondary pedestal 13 is arranged between two main basal bases 3 and is connected on secondary pedestal 13, and Setting is used for the floating support oil cylinder 14 of Auxiliary support crossbeam bottom face 6 on secondary pedestal 13, and auxiliary is arranged on secondary movable stand 15 Side top element 28 and vertical clamping element 12, substantially increase the rigidity of 1 Set and Positioning of crossbeam, thus be conducive to improve it is subsequent into The efficiency and quality that row crossbeam 1 is machined.
As a preferred embodiment, a kind of Set and Positioning tooling of special-shaped crossbeam of the present embodiment further includes axially position dress 16 and axial grip device 17 are set, the axial direction positioning device 16 includes being arranged on main basal base 3 and being parallel to 1 axis of crossbeam To positioning stud 18, the reference block 19 that is connected on the crossbeam 1, end of the reference block 19 by putting down the positioning stud 18 Portion;The axial grip device 17 is to be arranged on main basal base 3 to hold out against the floating of beam-end flange inner side end 21 for floating Dynamic support cylinder.
By setting axial direction positioning device 16 and axial grip device 17, the axially position precision of crossbeam 1 is improved, and mention In the rigidity of axis direction after high 1 Set and Positioning of crossbeam, thus high-power transverse direction when being conducive to crossbeam 4 Milling Machining of leading flank Thus milling further improves the efficiency and quality of machining.
In the present embodiment, the reference block 19 is pre-installed in the trailing flank lug 30 of special-shaped crossbeam before the lifting of crossbeam 1 On.
In the present embodiment, the leading flank setting element 5 includes the column 22 being connected on the bottom plate 2, the column The steel ball positioning screw 23 that rear is directed toward in its front end is provided on 22.
In the present embodiment, the bottom face setting element 7 include be arranged on the front of the main basal base 3 in plane and its The steel ball positioning screw 23 that front end points up.
The front end of steel ball positioning screw 23 in above-mentioned leading flank setting element 5, bottom face setting element 7 is provided with and can roll Dynamic steel ball, so that crossbeam 1 can be light when crossbeam 1 has position adjustment during lifting and positioning and clamping Displacement, and crossbeam 1 and steel ball contact position are not in scratch.
In the present embodiment, the vertical clamping element 12 is hydraulic cylinder, and the laterally and tightly propped element 10 is hydraulic cylinder, and institute It states and the briquetting 25 that can be swung up and down is connected with by hinged shaft 24 in its front end pressure end of the hydraulic cylinder of laterally and tightly propped element 10, it is described The top pressure face for holding out against crossbeam trailing flank 9 is provided on briquetting 25.
In the present embodiment, the main movable stand 8, secondary movable stand 15 realize that front and back is moved by straight line executive component 26 respectively It is dynamic.
Preferably, the straight line executive component 26 is one of oil cylinder, cylinder, electric pushrod.
As further improvement of this embodiment, the main basal base 3, secondary pedestal 13 are movably arranged on the bottom plate 2 To realize the mutual spacing adjustment of the main basal base 3, secondary pedestal 13.
Specifically, more gear bolts hole can be arranged on a base plate 2, main basal base 3, secondary pedestal 13 are mounted on different location Realize that the mutual spacing of main basal base 3, secondary pedestal 13 changes in bolt hole.
In order to facilitate positioning, guide rail or other director elements can be set on bottom plate 2, so that main basal base 3,13 edge of secondary pedestal Guide rail or director element linear movement.
It is movably arranged by main basal base 3, secondary pedestal 13, the clamping that the crossbeam 1 of different length specification may be implemented is fixed Position, which thereby enhances the versatility of Set and Positioning tooling.
As the further improvement of the present embodiment, the main movable stand 8, secondary movable stand 15 top be also respectively provided with The second clamping station 27 of crossbeam clamping is carried out when for processing small dimension crossbeam 29.Wherein, in the second clamping station 27 On corresponding setting element and clamping element equally can be set.
By the way that the second clamping of crossbeam station 27 is arranged on main movable stand 8, secondary movable stand 15, main movement can be made full use of The structure of frame 8, secondary movable stand 15, one side expands the application range of Set and Positioning tooling, reduces tooling expense, another The Set and Positioning of small dimension crossbeam 29 on the second clamping of aspect station 27 can cross bearer 1 be machined when simultaneously operating, Cross bearer 1 can carry out replacing processing with small dimension crossbeam 29 when processing, so as to shorten total clamping of the part on lathe Positioning time improves the utilization rate of large-size numerical control machine or Large Machining Center, thereby reduces processing cost.
Hydraulic system (drawing in figure) is additionally provided in the present embodiment, the floating support oil cylinder, hydraulic cylinder connect respectively Hydraulic system is connect, to realize that linkage when Set and Positioning clamps.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, several improvements and modifications can also be made, these improvements and modifications Also it should be regarded as protection scope of the present invention.

Claims (10)

1. a kind of clamping positioning method of abnormity crossbeam, which is characterized in that including following method and step:
(1) setting of Set and Positioning tooling: being respectively arranged a main basal base in the left and right ends of bottom plate, if being arranged between main basal base A dry secondary pedestal is respectively set main movable stand and secondary movable stand on main basal base, secondary pedestal, and is arranged on main basal base for positioning Laterally and tightly propped element and vertical compression member is arranged in leading flank setting element, the bottom face setting element of crossbeam on main movable stand Part, while setting is used for the floating support oil cylinder of Auxiliary support crossbeam bottom face on secondary pedestal, is arranged on secondary movable stand auxiliary Help side top element and vertical clamping element;Leading flank setting element therein, bottom face setting element include steel ball positioning screw, Laterally and tightly propped element, vertical clamping element are hydraulic cylinder, and secondary side top element is floating support oil cylinder;
(2) hydraulic system is arranged: hydraulic cylinder, floating support oil cylinder being connected with hydraulic system, and set each hydraulic cylinder And the starting pressure and boot sequence of floating support oil cylinder;
(3) adjustment of Set and Positioning tooling: according to the length of crossbeam, the spacing of main basal base, secondary pedestal is adjusted;
(4) the lifting space of crossbeam is set: before crossbeam Set and Positioning, main movable stand and secondary movable stand rearward being moved, to allow The upper space of transverse beam lifting out;
(5) the lifting positioning of crossbeam: lifting cross beam, so that the bottom face of crossbeam leans against on bottom face setting element, before crossbeam Side leans against on leading flank setting element;
(6) clamping of crossbeam: in place, hydraulic system movement is sequentially driven for movement forwards for main movable stand and secondary movable stand It moves laterally and tightly propped element and holds out against the trailing flank of crossbeam, driving vertical clamping element compression beam upper end, floating support oil cylinder top Firmly the beam body of crossbeam and lock.
2. a kind of clamping positioning method of special-shaped crossbeam according to claim 1, which is characterized in that in the step (1) Set and Positioning tooling setting in further include following work step:
The setting of work step 1, axial direction positioning device: the positioning stud of crossbeam axial direction is arranged parallel on main basal base, while in cross Reference block is installed on the trailing flank lug of beam;
The setting of work step 2, axial grip device: setting holds out against beam-end flange inner side end for floating on main basal base Floating support oil cylinder.
3. a kind of clamping positioning method of special-shaped crossbeam according to claim 2, which is characterized in that in the step (5) It further include end of the crossbeam in lifting, by the reference block on crossbeam by putting down the positioning stud in the lifting positioning process of crossbeam Portion;Its beam-end flange inner side end is withstood and is locked with floating support oil cylinder in the clamping process of step (6) crossbeam.
4. a kind of Set and Positioning tooling of the special-shaped crossbeam using clamping positioning method described in any one of claims 1 to 3, It is characterized in that, including bottom plate, is separately positioned on main basal base on the bottom plate left end in plane and right end in plane, the main base The leading flank setting element of positioning crossbeam leading flank is separately provided on the front of seat in plane, for positioning crossbeam bottom end The bottom face setting element in face, the rear portion of the main basal base be provided with can the mobile main movable stand of front-rear direction, the main movement The laterally and tightly propped element for holding out against crossbeam trailing flank, the vertical compression member for compressing beam upper end are separately provided on frame Part, the main movable stand are moved backward before transverse beam lifting positioning in place to form the upper space of the transverse beam lifting positioning, The main movable stand is moved forward in place after the completion of transverse beam lifting positions to realize to the laterally and tightly propped and vertical of the crossbeam It compresses;The leading flank setting element includes the column being connected on the bottom plate, its front end direction is provided on the column The steel ball positioning screw at rear;The bottom face setting element includes on the front for be arranged in the main basal base in plane and before it Hold the steel ball positioning screw pointed up.
5. a kind of Set and Positioning tooling of special-shaped crossbeam according to claim 4, which is characterized in that upper in the bottom plate The a number of secondary pedestal being spaced apart is additionally provided between two main basal bases, on the front of the pair pedestal in plane It is separately provided for the floating support oil cylinder of Auxiliary support crossbeam bottom face, the rear portion of the pair pedestal is provided with can front and back To mobile secondary movable stand, the secondary side top member of auxiliary jacking crossbeam trailing flank is separately provided on the pair movable stand Part, the vertical clamping element for assisting compressing beam upper end, the secondary side top element are floating support oil cylinder.
6. a kind of Set and Positioning tooling of special-shaped crossbeam according to claim 4, which is characterized in that further include axially position Device and axial grip device, the axial direction positioning device include being arranged on main basal base and being parallel to determining for the crossbeam axial direction Position stud, the reference block that is connected on the crossbeam, end of the reference block by putting down the positioning stud;The axial grip Device is to be arranged on main basal base to hold out against the floating support oil cylinder of beam-end flange inner side end for floating.
7. a kind of Set and Positioning tooling of special-shaped crossbeam according to claim 4, which is characterized in that the vertical compression member Part is hydraulic cylinder, and the laterally and tightly propped element is hydraulic cylinder, and in the hydraulic cylinder of the laterally and tightly propped element its front end pressure end There is the briquetting that can be swung up and down by stud connection, the top pressure face for holding out against crossbeam trailing flank is provided on the briquetting.
8. a kind of Set and Positioning tooling of special-shaped crossbeam according to claim 5, which is characterized in that the main movable stand, Secondary movable stand passes through straight line executive component respectively and realizes back-and-forth motion.
9. a kind of Set and Positioning tooling of special-shaped crossbeam according to claim 5, which is characterized in that the main basal base, pair Pedestal is movably arranged to realize the mutual spacing adjustment of the main basal base, secondary pedestal on the bottom plate.
10. a kind of Set and Positioning tooling of special-shaped crossbeam according to claim 5, which is characterized in that the main movable stand, The second clamping station of crossbeam clamping is carried out when the top of secondary movable stand is also respectively provided with for processing small dimension crossbeam.
CN201811404327.XA 2018-11-23 2018-11-23 Clamping and positioning method and clamping and positioning tool for special-shaped cross beam Active CN109623452B (en)

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CN201235473Y (en) * 2008-06-26 2009-05-13 唐山轨道客车有限责任公司 Multiple unit train body base frame fixture
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