CN204913479U - Milling machine with quadruplex position milling process anchor clamps - Google Patents

Abstract

Milling machine with quadruplex position milling process anchor clamps including the milling machine body, is equipped with quadruplex position milling process anchor clamps on the workstation of milling machine body, quadruplex position milling process anchor clamps are including establishing the bottom plate on the workstation, and the bottom plate front side is equipped with the riser perpendicularly, and the riser leading flank rotates through the cylindric lock and is connected with the graduated disk, follows the circumference orientation on the graduated disk and evenly is equipped with four locating holes, are equipped with on the riser to correspond the diamond pin who pegs graft with four locating holes respectively, are equipped with hold -down mechanism between riser and the graduated disk, the graduated disk leading flank is equipped with the mounting panel, and the mounting panel right side is equipped with the insalling stud with the concentricity line of cylindric lock, and the last threaded connection of insalling stud has fastening nut, and the mounting panel right side is equipped with the positioning mechanism who is located insalling stud top and below respectively. The utility model discloses only need alright the processing in order to accomplish a plurality of machined surfaces of clamping, work efficiency has obtained great improvement, and the machining precision has also obtained the assurance in addition, to workman's the operation requirement also corresponding degree of difficulty that has reduced.

Description

There is the milling machine of four station Milling Process fixtures

Technical field

The utility model belongs to machining manufacturing technology field, particularly relates to a kind of milling machine with four station Milling Process fixtures.

Background technology

In field of machining, the fixture that most milling machine machining adopts is all too single, clamping once can only be processed a face, multiple clamping is carried out when adding man-hour requirement to multiple face, can workload be increased like this, reduce operating efficiency and affect machining accuracy, high to the operation requirements of workman, and common fixture is when clamping workpiece in irregular shape especially non-round surface, after the very difficult or clamping of clamping, be not easy to processing.For a kind of bracket part that aerospace industry uses, the blank of this bracket part comprises two pieces of arcs that the matrix of cylindrical mechanism and symmetry are located at matrix one end sidepiece, matrix at one end axially offers screwed hole in arc institute, matrix after this bracket part processes is four-prism shape, and base circumferential face is added adopt man-hour plain clamp to be difficult to clamping, and add the structure that columniform matrix is processed into a four-prism by man-hour, and precision prescribed is very high, need processing multiple, when carrying out multiple clamping, precision will reduce, do not meet the demands, existing fixture can not meet the process requirements of this bracket part.

Utility model content

The utility model is solve the weak point that prior art exists, and provides that a kind of Milling Process scope is wide, clamped one time can complete the processing of multiple, improve working (machining) efficiency and the high milling machine with four station Milling Process fixtures of machining accuracy.

For solving the problems of the technologies described above, the technical scheme that the utility model adopts is as follows: the milling machine with four station Milling Process fixtures, comprise milling machine body, the workbench of milling machine body is provided with four station Milling Process fixtures, four station Milling Process fixtures comprise establishes base plate on the table by connecting bolt, vertically riser is provided with on front side of base plate, tilt prop is provided with between plate upper surface and riser rear surface, riser leading flank is rotatably connected to circular index dial by straight pin, on index dial, circumferentially direction is evenly provided with four locating holes, riser be provided with can respectively with the rhombus pin of four corresponding grafting of locating hole, rhombus pin rear end is provided with the handle be positioned on rear side of riser, three hold-down mechanisms are at least provided with between riser and index dial,

Hold-down mechanism comprises pressing plate, compression bearing pin and hold-down bolt and clamp nut, pressing plate is rotatably connected on riser by compressing bearing pin, hold-down bolt is located on riser, the edge of side compression index dial front surface in pressing plate, hold-down bolt to be located on riser and between compression bearing pin and index dial, hold-down bolt is forward through pressing plate, and hold-down bolt nose threads is connected with clamp nut pressing plate being pressed index dial;

Index dial leading flank is fixedly connected with installing plate by construction bolt, the installation stud of the concentricity line with straight pin is provided with on the right side of installing plate, installation stud has been threaded clamp nut, clamp nut periphery circumferentially direction is evenly provided with a circle thrusting groove, is provided with the detent mechanism laying respectively at and install above and below stud on the right side of installing plate;

Detent mechanism comprises connecting plate, location-plate, alignment pin and bolt and setscrew nut, the back side edge of connecting plate is along fixedly establishing on a mounting board, location-plate is rotatably connected on connecting plate by alignment pin, bolt is located on connecting plate, bolt is parallel with alignment pin and be positioned on front side of alignment pin, and setscrew nut is threaded on bolt.

Adopt technique scheme, the course of work of the present utility model is as follows: be screwed to by the screwed hole on the matrix of bracket part blank and install on stud, after using dial gauge centering two arc positions, use wrench operated setscrew nut, appropriateness compresses two symmetrical arcs, rotate the rear end face that clamp nut compresses matrix again, due to this place's narrow space, use the boosting-rod of L-type to be inserted in thrusting groove and tighten the firm detent bracket part blank of clamp nut more further.After completing location, open milling machine, milling cutter rotates, and the height of adjustment workbench is laggard to be given, on the complete base circumferential of milling after a plane, use spanner to unscrew clamp nut, operating grip makes rhombus pin extract out, rotates clockwise 90 °, again rhombus pin is inserted in the locating hole on index dial, the clamp nut that makes to screw up with a wrench makes pressing plate press index dial, and then Feed table, carries out milling operation to the second plane on base circumferential.After milling completes, then repeat twice above-mentioned action step, until base circumferential surface is quadrangular shape by milling.Unclamp clamp nut and setscrew nut, unload bottom bracket part, then carry out the milling operation of next bracket part blank.

Index dial in the utility model can rotate at riser right flank, index dial even circumferential arranges four locating holes, rhombus latch coordinates realization location through the cylindrical hole on riser and the locating hole on index dial, and use pressing plate to compress index dial, index dial can not be rotated in the process of processing, precision will be ensured like this, index dial is fixedly connected with by construction bolt with installing plate, index dial can drive bracket part together to rotate by installing plate when rotating, the utility model utilizes the screwed hole on bracket part blank to coordinate reach centralized positioning with installation stud, location-plate compresses two of bracket part arcs and makes bracket part fix non rotating, matrix rear end face compresses and bracket part is located in the axial direction by clamp nut.Like this in the process of processing, bracket part can not loosen, and ensures machining accuracy.

In sum, the utility model is reasonable in design, structure is simple, be easy to operation, and only need clamped one time just can complete the processing of multiple machined surface, operating efficiency obtains and greatly improves, and machining accuracy have also been obtained guarantee, difficulty is also correspondingly reduced to the operation requirements of workman.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the enlarged drawing of four station Milling Process fixtures in Fig. 1;

Fig. 3 is A-A sectional view in Fig. 2.

Detailed description of the invention

Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in further detail:

As shown in Figure 1, Figure 2 and Figure 3, have the milling machine of four station Milling Process fixtures, comprise milling machine body 1, milling machine body 1 is existing mature technology, and concrete structure is not repeating.The workbench 2 of milling machine body 1 is provided with four station Milling Process fixtures 3, four station Milling Process fixtures 3 comprise the base plate 4 be located at by connecting bolt 30 on workbench 2, riser 5 is vertically provided with on front side of base plate 4, tilt prop 6 is provided with between base plate 4 upper surface and riser 5 rear surface, riser 5 leading flank is rotatably connected to circular index dial 8 by straight pin 7, on index dial 8, circumferentially direction is evenly provided with four locating holes 29, riser 5 be provided with can respectively with the rhombus pin 9 of four corresponding grafting of locating hole 29, rhombus pin 9 rear end is provided with the handle 10 be positioned on rear side of riser 5, three hold-down mechanisms 11 are at least provided with between riser 5 and index dial 8.

Hold-down mechanism 11 comprises pressing plate 12, compression bearing pin 13 and hold-down bolt 14 and clamp nut 15, pressing plate 12 is rotatably connected on riser 5 by compressing bearing pin 13, hold-down bolt 14 is located on riser 5, the edge of side compression index dial 8 front surface in pressing plate 12, hold-down bolt 14 to be located on riser 5 and between compression bearing pin 13 and index dial 8, hold-down bolt 14 is forward through pressing plate 12, and hold-down bolt 14 nose threads is connected with the clamp nut 15 pressing plate 12 being pressed index dial 8.

Index dial 8 leading flank is fixedly connected with installing plate 17 by construction bolt 16, the installation stud 18 with the concentricity line of straight pin 7 is provided with on the right side of installing plate 17, installation stud 18 has been threaded clamp nut 19, clamp nut 19 periphery circumferentially direction is evenly provided with a circle thrusting groove 20, is provided with the detent mechanism laying respectively at and install above and below stud 18 on the right side of installing plate 17.

Detent mechanism comprises connecting plate 21, location-plate 22, alignment pin 23 and bolt 24 and setscrew nut 25, the back side edge of connecting plate 21 is along being fixedly located on installing plate 17, location-plate 22 is rotatably connected on connecting plate 21 by alignment pin 23, bolt 24 is located on connecting plate 21, bolt 24 is parallel with alignment pin 23 and be positioned on front side of alignment pin 23, and setscrew nut 25 is threaded on bolt 24.

The course of work of the present utility model is as follows: be screwed to by the screwed hole on the matrix 26 of bracket part blank and install on stud 18, after using dial gauge centering two arc 27 positions, use wrench operated setscrew nut 25, appropriateness compresses two symmetrical arcs 27, rotate the rear end face that clamp nut 19 compresses matrix 26 again, due to this place's narrow space, use the boosting-rod of L-type to be inserted in thrusting groove 20 and tighten the firm detent bracket part blank of clamp nut 19 more further.After completing location, open milling machine, milling cutter rotates, and the height of adjustment workbench 2 is laggard to be given, the complete matrix 26 of milling is circumferentially after a plane, use spanner to unscrew clamp nut 15, operating grip 10 makes rhombus pin 9 extract out, rotates clockwise 90 °, again rhombus pin 9 is inserted in the locating hole 29 on index dial 8, the clamp nut 15 that makes to screw up with a wrench makes pressing plate 12 press index dial 8, and then Feed table 2, carries out milling operation to matrix 26 the second plane circumferentially.After milling completes, then repeat twice above-mentioned action step, until matrix 26 circumferential surface is quadrangular shape by milling.Unclamp clamp nut 19 and setscrew nut 25, unload bottom bracket part, then carry out the milling operation of next bracket part blank.

The present embodiment not does any pro forma restriction to shape of the present utility model, material, structure etc.; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all belong to the protection domain of technical solutions of the utility model.

Claims (1)

1. there is the milling machine of four station Milling Process fixtures, comprise milling machine body, the workbench of milling machine body is provided with four station Milling Process fixtures, it is characterized in that: four station Milling Process fixtures comprise establishes base plate on the table by connecting bolt, vertically riser is provided with on front side of base plate, tilt prop is provided with between plate upper surface and riser rear surface, riser leading flank is rotatably connected to circular index dial by straight pin, on index dial, circumferentially direction is evenly provided with four locating holes, riser be provided with can respectively with the rhombus pin of four corresponding grafting of locating hole, rhombus pin rear end is provided with the handle be positioned on rear side of riser, three hold-down mechanisms are at least provided with between riser and index dial,

Hold-down mechanism comprises pressing plate, compression bearing pin and hold-down bolt and clamp nut, pressing plate is rotatably connected on riser by compressing bearing pin, hold-down bolt is located on riser, the edge of side compression index dial front surface in pressing plate, hold-down bolt to be located on riser and between compression bearing pin and index dial, hold-down bolt is forward through pressing plate, and hold-down bolt nose threads is connected with clamp nut pressing plate being pressed index dial;

Index dial leading flank is fixedly connected with installing plate by construction bolt, the installation stud of the concentricity line with straight pin is provided with on the right side of installing plate, installation stud has been threaded clamp nut, clamp nut periphery circumferentially direction is evenly provided with a circle thrusting groove, is provided with the detent mechanism laying respectively at and install above and below stud on the right side of installing plate;

Detent mechanism comprises connecting plate, location-plate, alignment pin and bolt and setscrew nut, the back side edge of connecting plate is along fixedly establishing on a mounting board, location-plate is rotatably connected on connecting plate by alignment pin, bolt is located on connecting plate, bolt is parallel with alignment pin and be positioned on front side of alignment pin, and setscrew nut is threaded on bolt.