CN205166653U

CN205166653U - Automatic porting machine

Info

Publication number: CN205166653U
Application number: CN201521018549.XU
Authority: CN
Inventors: 李传聪
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-12-10
Filing date: 2015-12-10
Publication date: 2016-04-20
Anticipated expiration: 2025-12-10

Abstract

The utility model discloses an automatic porting machine, main grinding of solving axle type product both ends centre bore, including the controller, the headstock, the lathe bed, the chuck, synchronous ware, the shifting block cylinder, the prelocalization bracket, the bracket is fixed a position, tailstock, tailstock cylinder, metal sensor after, to pneumatic the clamp, after putting into the bracket with the axle, the sensor sensing work piece signal of taking one's place, the motion of the effect restriction processing axle through parts such as synchronous ware, clamps after a terminal surface porting is accomplished, need not to unload once more, the clamping, both can be once more carries out the porting to another terminal surface, and it is showing and has improved precision and production efficiency.

Description

Automatic hole grinding machine

Technical field

The utility model relates to field of machining, particularly axle class centre bore abrasive machining apparatus.

Background technology

There is centre bore at the general two ends of axis products, the main machining benchmark being used as each operation.Axis products is after Overheating Treatment, and centre bore can destroy precision because of oxidation, affects positioning precision, thus, needs reprocessing.Meanwhile, after heat treatment, centre bore case hardness is often very high, the general method reprocessing adopting grinding.The grinding of centre bore generally adopts: two ends carbide-tipped center is to top, pressurization, and wherein, the top High Rotation Speed in one end, makes this stomidium reach grinding, then, exchanges direction of principal axis and grinds another hole again.These work are often all by manually completing, and efficiency is low, and labour intensity is large, and quality is unstable.

Summary of the invention

For the deficiencies in the prior art, the purpose of this utility model is to provide the device that a kind of clamped one time can complete two-sided porting, avoids twice clamping, significantly improves machining accuracy and production efficiency.

For achieving the above object, the technical solution adopted in the present invention is:

Automatic hole grinding machine, it comprises lathe bed, be installed on the headstock of lathe bed, the controller be installed on headstock, the chuck be installed on headstock, lathe bed is provided with tailstock, a pair that chuck and tailstock is separately installed with arranged concentric top, tailstock is also provided with and retractor device after the top tailstock be connected be installed on tailstock, lathe bed is also furnished with the prelocalization bracket between chuck and tailstock, rear detent bracket, prelocalization bracket closes on chuck end side, and rear detent bracket closes on tailstock end side, chuck is also connected with synchronized, prelocalization bracket is provided with the front stretching device be connected with synchronized, and rear detent bracket or prelocalization bracket or lathe bed are provided with clamp, above-mentioned synchronized comprises tapered sleeve, with the synchronizing sleeve of tapered sleeve pivot bush unit, by the pulling block that bearing is flexibly connected with synchronizing sleeve, synchronizing sleeve is fixed on brearing bore, pulling block is provided with the pulling block hole matched with bearing top circle, one end connecting chuck of tapered sleeve, the top taper hole matched with chuck for installing end side is provided with in tapered sleeve, synchronizing sleeve is also furnished with and the top through hole matched being installed on chuck end side, tapered sleeve is socketed with the spring between tapered sleeve and synchronizing sleeve, synchronizing sleeve comprises feeding end face, abrasive end face, spring connects the feeding end face of synchronizing sleeve, above-mentioned front stretching device output connects pulling block.

Further, described synchronizing sleeve is furnished with guiding parts.

Further, described guiding parts is the guide groove bolt matched with the guide chute be arranged on tapered sleeve that synchronizing sleeve is arranged.

Further, described prelocalization bracket comprises front rack, front base, and front floor installation is on lathe bed, and front floor installation is in front rack bottom; Described rear detent bracket comprises tail-bracket, rear base, and rear base is installed on lathe bed, and tail-bracket is installed on rear base top.

Further, described front rack connects front base by front adjusting bolt; Tail-bracket connects rear base by rear adjusting bolt; Above-mentioned shifting block is provided with the guide post of horizontal direction, front base is provided with the pilot hole matched with guide post, shifting block is arranged on front base guide hole by guide post and realizes being connected with front base.

Further, the upper surface of described front rack, tail-bracket is furnished with V-type groove or arc groove; Above-mentioned V-type groove or the bottom of arc groove are provided with installing hole, are provided with metal sensor in installing hole.

Further, described tailstock retractor device is tailstock cylinder, and above-mentioned front stretching device is pulling block cylinder, and controller controls tailstock cylinder operation, and drives the top of tailstock side that be installed on connect with tailstock cylinders to stretch; Controller controls pulling block cylinder operation, and drives pulling block to move.

Further, described clamp is pneumatic clamps, can the folding of control card pawl by controller.

The two-sided porting method of Axle Parts clamped one time, its step comprises:

Adjustment bracket: make workpiece spindle centre bore a little less than top 2-3mm;

Reset: controller controls pulling block cylinder and promotes pulling block and drive the bearing displacement of being fixed in pulling block, drives the synchronizing sleeve fixed with bearing to shrink, the spring being socketed on tapered sleeve outer wall is compressed in pulling block displacement process; Controller controls tailstock cylinder and drives the top contraction be installed on tailstock; Pneumatic clamps is opened.

Workpiece spindle put into by prelocalization bracket and rear detent bracket, the metal sensor be installed on prelocalization bracket and rear detent bracket senses workpiece and loads, controller controls tailstock cylinder and is stretched out by the back centre being installed on tailstock side, withstands workpiece spindle centre bore and promote workpiece spindle and move axially, and the sinciput pinnacle making workpiece spindle other end centre bore be installed on synchronized enters, workpiece spindle toply to be held out against top by forward and backward, and now workpiece spindle lifts and departs from front rack, tail-bracket; Controller controls pneumatic clamps and clamps workpiece spindle; Controller controls motor driving chuck on headstock and rotates, and during to setting-up time, the centre bore of chuck-end completes grinding; Controller control pneumatic clamps is opened, pulling block cylinder shrinks, and spring promotes synchronizing sleeve and stretches out, and the abrasive end face of synchronizing sleeve props up the end face of workpiece spindle; Chuck rotates again, and under the effect of frictional force, synchronizing sleeve drives workpiece spindle to rotate, and during to setting-up time, the centre bore that workpiece spindle is positioned at tailstock end completes grinding; Controller controls motor and stops operating, and again resets, and takes out workpiece spindle, and when metal sensor detects without workpiece, a work pieces process terminates, thus completes the two-sided porting of central shaft.

The utility model has the advantage of: by the motion of the effect restriction machining shaft of the parts such as synchronized, clamp, after one end face porting completes, without the need to discharging again, clamping, both again can carry out porting to other end, it significantly improves precision and production efficiency.

Accompanying drawing explanation

In order to be illustrated more clearly in the utility model embodiment, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

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

Fig. 2 is synchronizer assembly schematic diagram of the present utility model.

Fig. 3 is synchronizer structure schematic diagram of the present utility model.

Fig. 4 is prelocalization bracket front view of the present utility model.

Fig. 5 is prelocalization bracket left view of the present utility model.

Fig. 6 is rear detent bracket structural representation of the present utility model.

Fig. 7 is pneumatic clamps schematic diagram of the present utility model.

Fig. 8 is workpiece spindle of the present utility model locking schematic diagram.

Be denoted as in figure:

1, controller; 2, headstock; 3, lathe bed; 4, chuck; 5, synchronized; 51, tapered sleeve; 52, spring; 53, synchronizing sleeve; 54, guide groove bolt; 55, bearing; 56, pulling block; 57, set bolt; 6, pulling block cylinder; 7, prelocalization bracket; 71, front rack; 72, front adjusting bolt; 73, front base; 74, pilot hole; 8, pneumatic clamps; 9, rear detent bracket; 91, tail-bracket; 92, rear adjusting bolt; 93, rear base; 10, tailstock; 11, tailstock cylinder.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to the utility model protection domain.

As shown in Figure 1, automatic hole grinding machine, it comprises lathe bed 3, the headstock 2 be installed on lathe bed 3, the controller 1 be installed on headstock 2, headstock 2 is provided with chuck 4, lathe bed 3 is provided with tailstock 10, chuck 4 is provided with synchronized 5, a pair that synchronized 5 and tailstock 10 is separately installed with arranged concentric top, particularly importantly, tailstock 10 is also provided with and the top tailstock retractor device be connected be installed on tailstock 10; Lathe bed 3 is also furnished with the prelocalization bracket 7 between chuck 4 and tailstock 11, rear detent bracket 9, prelocalization bracket 7 closes on chuck 4 end side, and rear detent bracket 9 closes on tailstock 11 end side; Prelocalization bracket 7 is provided with the front stretching device be connected with synchronized 5, rear detent bracket 9 or prelocalization bracket 7 or lathe bed 3 are provided with clamp.

Above-mentioned synchronized 5 comprises tapered sleeve 51, pivot bush unit is in the synchronizing sleeve 53 of tapered sleeve 51, synchronizing sleeve 53 is fixed on bearing 55 endoporus, bearing 55 cylindrical is fixed on pulling block 56, one end connecting chuck 4 of tapered sleeve 51, preferably, tapered sleeve 51 is threaded connection chuck 4, the synchronous axial system of tapered sleeve 51 can be driven in the rotation process of chuck 4, taper hole is provided with in tapered sleeve 51, for being installed on the top of chuck 4 end side, also be furnished with in synchronizing sleeve 53 and the top through hole matched being installed on chuck 4 end side, tapered sleeve 51 outer cover is connected to the spring 52 between tapered sleeve 51 and synchronizing sleeve 53, particularly, synchronizing sleeve 53 comprises feeding end face, abrasive end face, spring 52 connects the feeding end face of synchronizing sleeve 53, above-mentioned front stretching device output withstands pulling block 56, pulling block 56, when moving along tapered sleeve 51 central axial direction, can drive synchronizing sleeve 53 in the motion of axis.

As shown in Figure 8, axle to be processed treats that porting original state is that the top of two ends contacts with the two ends centre bore of axle and workpiece spindle and front rack, tail-bracket upper contact, and namely the central axis of workpiece spindle is lower than the horizontal plane at top place, two ends; Top by after workpiece spindle locking, workpiece spindle departs from front rack 71, tail-bracket 91.

Equipment runs, and first resets, and controller 1 controls front stretching device and promotes shifting block 56 and then promote synchronizing sleeve 53 to shrink, and spring 52 is compressed; Controller 1 controls tailstock retractor device and drives the top retrude being installed on tailstock 10 side; Pneumatic clamps 8 is opened, and workpiece spindle put into by prelocalization bracket and rear detent bracket.

Controller 1 controls tailstock retractor device and stretches out being installed on the top of tailstock side, withstand workpiece spindle centre bore and impeller-hub moves axially, and workpiece spindle other end centre bore is contacted with to be installed on synchronized 5 top, further, axle is held out against and is lifted and departs from front rack 71 and tail-bracket 91; Controller 1 controls pneumatic clamps 8 and clamps workpiece spindle; Motor drive chuck 4 rotates, and during to setting-up time, the centre bore of chuck 4 end completes grinding; Controller 1 controls that pneumatic clamps 8 is opened, front stretching device shrinks, and spring 52 promotes synchronizing sleeve 53, pulling block 56 stretches out, and synchronizing sleeve 53 end face props up the end face of workpiece spindle; Chuck 4 rotates again, and under the effect of frictional force, synchronizing sleeve 53 drives workpiece spindle to rotate, and during to setting-up time, the centre bore that workpiece spindle is positioned at tailstock end completes grinding; Controller 1 controls to stop operating, and again resets, and takes out workpiece spindle, thus completes the two-sided porting of central shaft.

For further improving stability of the present utility model and porting precision, and reduce error, the utility model provides following preferred version.

Above-mentioned prelocalization bracket 7 comprises front rack 71, front base 73, and front base 73 is installed on lathe bed 3, and front base 73 is installed on front rack 71 bottom; Preferably, front rack 71 connects front base 73 by front adjusting bolt 72; Above-mentioned shifting block 56 is provided with the guide post of horizontal direction, base 73 is provided with the pilot hole 74 matched with guide post.

Above-mentioned rear detent bracket 9 comprises tail-bracket 91, rear base 93, and rear base 93 is installed on lathe bed 3, and tail-bracket 91 is installed on rear base 93 top; Preferably, tail-bracket 91 connects rear base 93 by rear adjusting bolt 92.

Adjusted position or the height of front rack 71 by front adjusting bolt 72, adjusted position or the height of tail-bracket 91 by rear adjusting bolt 92, thus make this device be applicable to the Axle Parts processing of each size, and improve porting precision.

Further optimization, above-mentioned front rack 71, the upper surface of tail-bracket 91 are furnished with V-type groove or arc groove.

Further optimization, above-mentioned V-type groove or the bottom of arc groove are provided with installing hole, are provided with metal sensor in installing hole.

Above-mentioned tailstock retractor device is tailstock cylinder 11, above-mentioned front stretching device is pulling block cylinder 6, controller 1 controls tailstock cylinder 11 and works, and drive the top of tailstock 10 side that be installed on be connected with tailstock cylinder 11 to stretch, controller 1 controls pulling block cylinder 6 and works, and drives pulling block 56 to move.

Above-mentioned synchronizing sleeve 53 connects pulling block 56 by the fixedly sleeved bearing 55 in its outer surface, and synchronizing sleeve 53 is furnished with the guide groove bolt 54 matched with the guide chute be arranged on tapered sleeve 51, pulling block 56 is furnished with the bolt 57 for rigid bearing 55; By arranging that guide groove bolt 54 guarantees that synchronizing sleeve 53 is along the axially-movable of tapered sleeve 51 and synchronous axial system.

Above-mentioned clamp is pneumatic clamps 8.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model; To be apparent for those skilled in the art to the multiple amendment of these embodiments, the General Principle defined in the utility model when not departing from spirit of the present utility model or scope, can realize in other embodiments.Therefore, the utility model can not be defined to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. automatic hole grinding machine, it comprises lathe bed, be installed on the headstock of lathe bed, the controller be installed on headstock, the chuck be installed on headstock, lathe bed is provided with tailstock, a pair that chuck and tailstock is separately installed with arranged concentric top, tailstock is also provided with and retractor device after the top tailstock be connected be installed on tailstock, lathe bed is also furnished with the prelocalization bracket between chuck and tailstock, rear detent bracket, prelocalization bracket closes on chuck end side, and rear detent bracket closes on tailstock end side, it is characterized in that, chuck is also connected with synchronized, prelocalization bracket is provided with the front stretching device be connected with synchronized, and rear detent bracket or prelocalization bracket or lathe bed are provided with clamp, above-mentioned synchronized comprises tapered sleeve, with the synchronizing sleeve of tapered sleeve pivot bush unit, by the pulling block that bearing is flexibly connected with synchronizing sleeve, synchronizing sleeve is fixed on brearing bore, pulling block is provided with the pulling block hole matched with bearing top circle, one end connecting chuck of tapered sleeve, the top taper hole matched with chuck for installing end side is provided with in tapered sleeve, synchronizing sleeve is also furnished with and the top through hole matched being installed on chuck end side, tapered sleeve is socketed with the spring between tapered sleeve and synchronizing sleeve, synchronizing sleeve comprises feeding end face, abrasive end face, spring connects the feeding end face of synchronizing sleeve, above-mentioned front stretching device output connects pulling block.

2. automatic hole grinding machine according to claim 1, is characterized in that, synchronizing sleeve is furnished with guiding parts.

3. automatic hole grinding machine according to claim 2, is characterized in that, described guiding parts is the guide groove bolt matched with the guide chute be arranged on tapered sleeve that synchronizing sleeve is arranged.

4. automatic hole grinding machine according to claim 1 and 2, is characterized in that, described prelocalization bracket comprises front rack, front base, and front floor installation is on lathe bed, and front floor installation is in front rack bottom; Described rear detent bracket comprises tail-bracket, rear base, and rear base is installed on lathe bed, and tail-bracket is installed on rear base top; Base before front rack is connected by front adjusting bolt; Tail-bracket connects rear base by rear adjusting bolt; Front base is also provided with the pilot hole matched with shifting block guide post.

5. automatic hole grinding machine according to claim 4, is characterized in that, described front rack, the upper surface of tail-bracket are furnished with V-type groove or arc groove; Described V-type groove or the bottom of arc groove are provided with installing hole, are provided with metal sensor in installing hole.

6. automatic hole grinding machine according to claim 1 and 2, it is characterized in that, described tailstock retractor device is tailstock cylinder, and described front stretching device is pulling block cylinder, controller controls tailstock cylinder operation, and drives the top of tailstock side that be installed on connect with tailstock cylinders to stretch; Controller controls pulling block cylinder operation, and drives the pulling block connect with pulling block cylinders to stretch.

7. automatic hole grinding machine according to claim 1 and 2, is characterized in that, described clamp is pneumatic clamps.