A kind of big machinery press connecting rod semi arch processing tool
The present invention relates to a kind of semi arch processing tool, belong to machining frock technical field.
Current connecting rod semi arch processing method：Connecting rod is fixed on slotting machine workbench, worktable rotary drivening rod does
Gyration, while the knife bar equipped with slotting tool does single up and down motion, realizes the processing in connecting rod semi-circular arc face；With large scale computer
Tool forcing press demand is increasingly extensive, and press tonnage is improved constantly, and its inner body connecting rod weight and profile also constantly become big, by
Exceed common light duty slotting machine workbench load-bearing scope in large link rod weight, cause large link rod under existing equipment ability
Cannot process, heavy slotting machine can only be sought and be processed；Because heavy slotting machine operation resource is less, cooperation processing price and freight charges
Costly, purchase new equipment causes the occupation of capital higher, and utilization rate of equipment and installations is relatively low.
The content of the invention
The technical problems to be solved by the invention are directed to the defect of prior art presence, there is provided a kind of semi arch processes work
Dress, solves the problems, such as that common light duty slotting machine processes super tonnage connecting rod circular arc.
To solve this technical problem, the invention provides a kind of big machinery press connecting rod semi arch processing tool,
Including support, cutter holder, semi-circular plate and knife bar, the support is fixed on slotting machine workbench by T-bolt, and support inner side uses
Oat tail groove structure is connected with cutter holder, and cutter holder can be moved up and down along the oat tail groove structure；The cutter holder lower end is provided with an opening, slotting tool
It is fixed on cutter holder by the opening；Cutter holder upper end is provided with rank semi-circular plate in a square opening, square opening, and semi-circular plate is bolted on
The lower end of knife bar, knife bar is fixed on slotting machine ram by fixture；Knife bar and semi-circular plate drive cutter holder to be done up and down with slotting machine ram
Motion, while support and cutter holder are with the rotation of slotting machine lower index.
The square opening upper end of the cutter holder is provided with a circular hole, and hold-down gear is provided with the circular hole.
Dovetail groove is provided with the inside of the support, the tail end of cutter holder is provided with the outer dovetail configuration matched with the dovetail groove, knife
The outer dovetail configuration of folder is placed in the dovetail groove of support and is closed by bolt and pressing plate, and cutter holder is moved up and down along dovetail groove.
Beneficial effect：The present invention solves super tonnage large link rod and cannot be expanded light in the problem of light-duty slotting machine processing
The range of work of type slotting machine, changes the processing method that conventional connecting rod and workbench rotate around slotting tool, while mitigating workbench
Burden, improves semi arch machining accuracy, expands the light-duty slotting machine range of work.
Brief description of the drawings
Fig. 1 is structural representation front view of the invention；
Fig. 2 is A-A schematic cross-sectional views of the invention.
In figure：1 slotting machine ram, 2 fixtures, 3 hold-down gears, 4 semi-circular plates, 5 supports, 6 slotting tools, 7 connecting rods, 8 adjustable sizing blocks, 9
Square chest, 10T types bolt, 11 screws, 12 pressing plates, 13 cutter holders, 14 workbench, 15 knife bars.
Below in conjunction with the accompanying drawings and embodiment is specifically described to the present invention.
Fig. 1 show structural representation front view of the invention.
Fig. 2 show A-A schematic cross-sectional views of the invention.
The present invention includes the cutter holder 13 of support 5, semi-circular plate 4 and knife bar 7.
The support 5 is fixed on slotting machine workbench 14 by T-bolt 10.
The inner side of the support 5 is provided with dovetail groove, and the tail end of cutter holder 13 is provided with the outer dovetail configuration matched with the dovetail groove,
The outer dovetail configuration of cutter holder 13 is placed in the dovetail groove of support 5 and is closed by bolt 11 and pressing plate 12, and cutter holder 13 is along dovetail groove
Move up and down.
The lower end of the cutter holder 13 is provided with an opening, and slotting tool 6 is fixed on cutter holder 13 by the opening.
The upper end of the cutter holder 13 is provided with rank semi-circular plate 4 in a square opening, square opening, and semi-circular plate 4 is bolted on knife bar 15
Lower end, knife bar 15 is fixed on slotting machine ram 1 by fixture 2.
The square opening upper end of the cutter holder 13 is provided with a circular hole, and hold-down gear 3 is provided with the circular hole.
The course of work of the invention：
It is processed connecting rod 7 to be fixed on square chest 9, by the levelling positioning of adjustable sizing block 8；Knife bar 15 and semi-circular plate 4 are with slotting machine
Ram 1 moves up and down, and rank drives cutter holder 13 and slotting tool 6 to move up and down in the semi-circular plate 4 that moving knife presss from both sides 13 upper ends；Meanwhile, when
During the indexing rotation of slotting machine workbench 14, support 5 and cutter holder 13 index rotation with together with slotting machine workbench 14, and the opening of cutter holder 13 is enclosed
Rotated around semi-circular plate 14, slotting tool 6 is processed around the semi arch of connecting rod 7, realizes that workpiece is motionless, by the method for copying
Machining large link rod semi arch.
The present invention solves super tonnage large link rod and cannot expand adding for light-duty slotting machine in the problem of light-duty slotting machine processing
Work scope, changes the processing method that conventional connecting rod and workbench rotate around slotting tool, while mitigating workbench burden, improves
Semi arch machining accuracy, expands the light-duty slotting machine range of work.
The embodiment above of the present invention, is merely illustrative, be not it is only, it is all within the scope of the present invention or it is equivalent this
Change in the range of invention is surrounded by the present invention.