The utility model content
In view of this, the utility model provides a kind of screwed hole machining building-block machine, and to reduce the number of turnover of workpiece, No. one time clamping can be finished multi-step process.
For achieving the above object, the utility model provides following technical scheme:
A kind of screwed hole machining building-block machine comprises:
Four station rotary tables are provided with four work piece holders uniformly on its circumferencial direction;
With wherein two corresponding drill units of work piece holder and tapper unit, described drill unit is provided with and bores the compound cutter of ream respectively, and described tapper unit is provided with threading tool;
Control device, it is used to control described four station rotary tables and rotates 90 °, and controls the compound cutter of described brill ream and tapper unit moves downward, and returns after moving to predeterminable range.
Preferably, in above-mentioned screwed hole machining building-block machine, described work piece holder comprises the clamping base and clamps cylinder.
Preferably, in above-mentioned screwed hole machining building-block machine, also comprise:
Be arranged on the described four station rotary tables, and the travel switch that is electrically connected with described clamping cylinder, the trip switch is four, and is separately positioned near on the position of four work piece holders;
A block, it is arranged on the frame and with described travel switch and cooperates.
Preferably, in above-mentioned screwed hole machining building-block machine, described clamping base is provided with the location division of location workpiece.
Preferably, in above-mentioned screwed hole machining building-block machine, described location division specifically comprises two two reference columns that the hole is adaptive with engine rocker.
Preferably, in above-mentioned screwed hole machining building-block machine, the pivot of described four station rotary tables offers the central gas-supply swivel joint, and the steam line of four described clamping cylinders all links to each other with described central gas-supply swivel joint.
Preferably, in above-mentioned screwed hole machining building-block machine, compound cutter of described brill ream and described tapper unit are separately positioned on differing on two stations of 180 ° of described four station rotary tables.
From above-mentioned technical scheme as can be seen, the utility model is by being provided with four work piece holders uniformly on four station rotary tables, and be provided with two with two drill unit and tapper units that work piece holder is corresponding wherein, control four station rotary tables by control device and rotate 90 °, and control drill unit and tapper unit move downward, and returns after moving to predeterminable range.Add man-hour, can with the workpiece to be processed clamping on work piece holder, rotate 90 ° of four station rotary tables then, move down the boring of finishing workpiece respectively and the operation of tapping by drill unit and tapper unit.Wherein the compound cutter of brill ream on the drill unit can once be finished the work of boring, chamfering and thread milling end face.Finish the tapping step when workpiece after finishing boring turns to the station of tapper unit, the workpiece of finishing the tapping step is pulled down workpiece, and is loaded onto unprocessed workpiece semi-finished product, reciprocation cycle in face of turning to the operator time from anchor clamps.The utility model can be finished multiple working procedure by an equipment, thereby has saved 4 equipment and 4 operative employees, and need not turnover, and the precision of product further improves.
The specific embodiment
The utility model discloses a kind of screwed hole machining building-block machine, to reduce the number of turnover of workpiece, No. one time clamping can be finished multi-step process.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1, the structural representation of the screwed hole machining building-block machine that Fig. 1 provides for the utility model embodiment.
The screwed hole machining building-block machine that the utility model provides comprises:
Four station rotary tables 9, be provided with four work piece holders on its circumferencial direction uniformly, work piece holder is used to clamp workpiece to be processed, this four stations rotary table 9 has four stations, one of them station is used for the dismounting workpiece, another station can be used as processing stations fully, and two other station is as processing stations.
With the drill unit 1 and the tapper unit 2 of wherein two corresponding settings of work piece holder, described drill unit 1 is provided with and bores the compound cutter 3 of ream respectively, and described tapper unit 2 is provided with threading tool 10.Bore the cutting at one time of the compound cutter 3 of ream and can finish thread milling end face, auger shell line bottom outlet and aperture chamfering three process simultaneously.
Control device, it is used to control described four station rotary tables 9 and rotates 90 °, and controls the compound cutter 3 of described brill ream and tapper unit 2 moves downward, and returns after moving to predeterminable range.Button near operating personnel specifically can be set, when needs are selected four station rotary tables 9, press button, then four station rotary tables 9 rotate 90 °, after rotation stops, bore compound cutter 3 of ream and tapper unit 2 and move downward, return after moving to predeterminable range, this predeterminable range can be provided with in control device.
The utility model is by being provided with four work piece holders uniformly on four station rotary tables, and be provided with two with two drill unit 1 and tapper units 2 that work piece holder is corresponding wherein, control four station rotary tables 9 by control device and rotate 90 °, and control drill unit 1 and tapper unit 2 move downward, and returns after moving to predeterminable range.Add man-hour, can with the workpiece to be processed clamping on work piece holder, rotate 90 ° of four station rotary tables then, move down the boring of finishing workpiece respectively and the operation of tapping by drill unit 1 and tapper unit 2.Wherein the compound cutter 3 of the brill ream on the drill unit 1 can once be finished the work of boring, chamfering and thread milling end face.Finish the tapping step when workpiece after finishing boring turns to the station of tapper unit 2, the workpiece of finishing the tapping step is pulled down workpiece, and is loaded onto unprocessed workpiece semi-finished product, reciprocation cycle in face of turning to the operator time from anchor clamps.The utility model can be finished multiple working procedure by an equipment, thereby has saved 4 equipment and 4 operative employees, and need not turnover, and the precision of product further improves.
Wherein, work piece holder comprises and clamps base 8 and clamp cylinder 7, clamps base 8 and is fixed on the four station rotary tables 9, and promptly it is fixed, the stretching out and return the clamping that realizes workpiece and unclamp of extension bar that can be by clamping cylinder 7.
In order further to optimize technique scheme, the utility model can also comprise travel switch 5 and block 6.Wherein, travel switch 5 is arranged on the described four station rotary tables 9, and is electrically connected with described clamping cylinder 7, and the trip switch 5 is four altogether, and is separately positioned near on the position of four work piece holders.Four travel switches 5 are controlled stretching out and withdrawal of four extension bars that clamp cylinders 7 respectively.Block 6 only is one, its be arranged on the frame with and described travel switch 5 cooperate, promptly after moving 90 degree of four station rotary tables, 9 revolutions stop, just having a travel switch 5 to contact, and touched by block 6 with block 6.After being touched by block 6, the extension bar of the clamping cylinder 7 that links to each other with the trip switch 5 is just withdrawn, and operating personnel can pull down the workpiece on this work piece holder easily, and the unprocessed workpiece of clamping, realize next fabrication cycles.
Clamp the location division that can be provided with the location workpiece on the base 8, to make things convenient for the clamping of workpiece.This location division specifically comprises two reference columns adaptive with two holes (112,113) of engine rocker 11 (this embodiment is the characteristics anchor clamps that are provided with at the processing of the screwed hole 111 of engine rocker 11).
The steam line that the pivot of four station rotary tables 9 offers 4, four described clamping cylinders 7 of central gas-supply swivel joint all links to each other with described central gas-supply swivel joint 4.All link to each other by steam line with described central gas-supply swivel joint 4 with four described clamping cylinders 7, can be in the rotation process of four station rotary tables 9, the steam line that clamps cylinder 7 can not reverse.
Bore compound cutter 3 of ream and described tapper unit 2 and be separately positioned on differing on two stations of 180 ° of described four station rotary tables 9.Two other differs two stations of 180 °, and one of them can be used as the mounting or dismounting station, and another is as backup station.
The utility model has reduced by 3 operators, has reduced by 3 equipment, has reduced the time of semi-finished product turnover and repeated clamping, has better guaranteed consistency of product, and production efficiency is doubled.
Each embodiment adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.