CN205764226U - Piston ring automatic chamfering device - Google Patents

Abstract

This utility model piston ring automatic chamfering device relates to a kind of lathe for piston ring chamfer.This utility model is to be sent in the ring mould being fixed on slide plate by piston ring, rotary tool rest component carries out chamfering operation, in the course of processing, all the time the plane using the place, chamfering side of piston ring is processed as positioning datum, it is to avoid the height of piston ring error impact on chamfer dimesion in the lamination course of processing, stable and reliable for performance, simple to operate, reducing labor intensity and production cost, efficiency is high, and the machining accuracy of piston ring can be effectively ensured.

Description

Piston ring automatic chamfering device

Technical field

This utility model relates to the processing unit (plant) of a kind of piston ring, particularly relates to a kind of for the device for piston ring chamfer.

Background technology

Piston ring is one of key components and parts of electromotor, in its manufacture process, needs the cylindrical to piston ring and inner circle to carry out As shown in Figure 1 and Figure 2, Fig. 1 is the comparison diagram before and after outer chamfering to shape before and after chamfering, outer chamfering and interior chamfering, and Fig. 2 is Comparison diagram before and after interior chamfering.

The size of piston ring chamfer, uniformity mounting process to be met, cylinder to be met is to piston ring packing The requirement of energy, piston ring is arranged in cylinder, will be prevented from gas leakage, gas blowby, and the early stage of piston ring to be prevented is different Often abrasion.

At present, in domestic industry, piston ring automatic chamfering device is to use motor or driven by servomotor, and multiple piston rings are folded It is placed in cylinder together, often processes a piece of piston ring, a mobile piston ring thickness in promoting the piston hoop ring mould stacked Size, owing to piston ring is in the course of processing, be inevitably present certain error, cause chamfer process exists certain Cumulative error, the piston ring stacked is uneven to the most a piece of chamfer dimesion from first, the height of piston ring Scale error is the biggest, and chamfer dimesion error is the biggest, affects machining accuracy and the product quality of piston ring.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of piston ring automatic chamfering device, and this device begins in the course of processing Plane using the place, chamfering side of piston ring is processed as positioning datum eventually, it is to avoid height of piston ring in the lamination course of processing The error impact on chamfer dimesion, stable and reliable for performance, simple to operate, reduce labor intensity and production cost, efficiency is high, The machining accuracy of piston ring can be effectively ensured.

This utility model piston ring automatic chamfering device, including by motor-driven controlled left leading screw, link bar, ring mould, end Face limited block, blade, described ring mould opposing end surface limited block positions, the through hole being provided centrally with receiving piston ring of described ring mould, Being set with multiple piston ring on described link bar, described link bar opposing end surface limited block positions, and described left leading screw is by link bar Piston ring push the through hole of ring mould, and the piston ring being positioned at ring mould high order end is extruded to the end face of its end face and end face limited block Contact, described blade rotary cutting is positioned at the piston ring of ring mould high order end, after the piston ring of high order end has cut, ring mould regression, Link bar regression, the piston ring cut comes off.

This utility model piston ring automatic chamfering device, wherein said through hole includes circular port and the conical hole being connected with circular port, The diameter right-to-left of described conical hole reduces.

This utility model piston ring automatic chamfering device, the most also include push-plate, top cylinder, described push-plate be provided centrally with push-plate Through hole, the diameter of described push-plate through hole equal to or less than piston ring naturally open time diameter of bore, described top cylinder left end and push-plate Fixing connection, the right-hand member of described top cylinder is fixedly connected with the first nut, and described first nut is connected with left threads of lead screw.

This utility model piston ring automatic chamfering device, the most also include worm decelerating machine, described worm decelerating machine include mandrel, The worm screw that the worm gear being fixedly mounted on mandrel engages with worm gear, described worm screw is fixing with the output shaft of described motor to be connected, institute State that mandrel and described left leading screw are fixing to be connected.

This utility model piston ring automatic chamfering device, the most also includes bed body, the slide plate driven by Rapid moving motor, described Slide plate slides is connected in bed body, and the outer wall of described top cylinder is slidably connected on slide plate, the shell of described worm decelerating machine and slide plate It is slidably connected.

This utility model piston ring automatic chamfering device, the most also includes that workpiece recovering mechanism, described workpiece recovering mechanism include solid The runner being scheduled in bed body, the end of described runner is positioned at the underface of ring mould left side.

This utility model piston ring automatic chamfering device, the most also includes mair motor, rotary tool rest component, described swivelling tool-holder group Part includes that described blade, described rotary tool rest component also include cutter spindle, cutterhead, described cutter spindle hollow, its internal shape Become cylindrical cavity, described cutterhead be internally provided with centre bore, described cylindrical cavity and centre bore dead in line, described cutter Sheet is fixed on cutterhead, and described cutterhead is fixed on the right side of cutter spindle, and described mair motor drives cutter spindle to rotate.

This utility model piston ring automatic chamfering device, the most also includes that outer surface is stair-stepping push rod, described end face limited block For discoid, its be positioned at centre bore, the left side of the right-hand member of push rod and end face limited block is fixing to be connected, and the left end of push rod is successively Left end through centre bore, cylindrical cavity and push rod is set with the first spring, and push rod moves left and right at cylindrical empty intracavity, pushes away The left end of bar is supported in bed body by fixed mount, and the left end of push rod, the both sides of fixed mount are provided with two limiting plates, the first bullet The two ends of spring withstand on respectively fixed mount, be positioned at right side limiting plate on, in described bed body, the left side of push rod be fixedly installed for Limit the spacing lead screw assembly of end face of the position of push rod.

This utility model piston ring automatic chamfering device, the most also includes that mair motor, outer surface are stair-stepping push rod, swivel knife Frame assembly, described rotary tool rest component includes that described blade, described rotary tool rest component also include cutter spindle, cutterhead, cutterhead Main shaft hollow, its be internally formed cylindrical cavity, end face limited block is fixed on the right side of cutter spindle, end face limited block interior Portion is provided with centre bore, cylindrical cavity and centre bore dead in line, and cutterhead is fixed on the right side of push rod and is positioned at centre bore, Blade is fixed on cutterhead, and the left end of push rod sequentially passes through centre bore, cylindrical cavity, and described mair motor drives push rod to rotate, Described push rod moves at cylindrical empty intracavity.

This utility model piston ring automatic chamfering device, the most also includes that chamfering finely tunes motor, the spacing lead screw assembly of end face, end face Spacing lead screw assembly is fixedly connected in bed body, and chamfering fine setting motor is slidably connected at the left end of bed body, and chamfering finely tunes the defeated of motor Shaft lead screw assembly spacing with end face is fixing to be connected, and the right-hand member of the spacing lead screw assembly of end face is connected by shaft coupling with the left end of push rod, Thrust bearing is set in shaft coupling.

The beneficial effects of the utility model: this utility model piston ring automatic chamfering device includes by motor-driven controlled left silk Thick stick, link bar, ring mould, end face limited block, blade, ring mould opposing end surface limited block position, ring mould be provided centrally with accommodate The through hole of piston ring, link bar is set with multiple piston ring, and link bar opposing end surface limited block positions, and left leading screw is by link bar On piston ring push the through hole of ring mould, and the piston ring being positioned at ring mould high order end is extruded to the end of its end face and end face limited block Face contacts, and blade rotary cutting is positioned at the piston ring of ring mould high order end, after the piston ring of high order end has cut, ring mould regression, Link bar regression, the piston ring cut comes off, and during the next piston ring to be processed of processing, repeats said process, is adding Man-hour is processed using the plane at the place, chamfering side of piston ring as positioning datum all the time, it is to avoid piston in the lamination course of processing The impact on chamfer dimesion of the ring height error, stable and reliable for performance, simple to operate, reduce labor intensity and production cost, effect Rate is high, and the machining accuracy of piston ring can be effectively ensured.

The utility model is described in further detail below in conjunction with the accompanying drawings.

Accompanying drawing explanation

Fig. 1 is the comparison diagram before and after piston ring chamfering outside；

Fig. 2 is piston ring comparison diagram before and after interior chamfering；

Fig. 3 is the front view of this utility model piston ring automatic chamfering device embodiment one；

Fig. 4 is part main TV structure schematic diagram in this utility model piston ring automatic chamfering device；

Fig. 5 is the relative position view that this utility model embodiment one feeding terminates rear screw one and nut seat one；

Fig. 6 is this utility model embodiment one relative position view by screw one after piston ring release with nut seat one；

Fig. 7 is left leading screw and the connection diagram of right leading screw in this utility model embodiment one；

Fig. 8 a is the left view structural representation of push-plate in this utility model embodiment one；

Fig. 8 b is the sectional view in Fig. 8 a along A-A；

Fig. 9 is the rotary tool rest component in this utility model embodiment one, push rod, end face limited block schematic diagram；

Figure 10 is the main TV structure schematic diagram of the ring mould in this utility model；

Figure 11 is the left view schematic diagram of the ring mould in this utility model；

Figure 12 is the left view sectional view of link bar in this utility model；

Figure 13 is link bar and the connection diagram of left hanger in this utility model embodiment one；

Figure 14 is link bar and the connection diagram of right hanger in this utility model embodiment one；

Figure 15 is the schematic front view of left hanger in this utility model embodiment one；

Figure 16 is the main TV structure schematic diagram of this utility model embodiment two；

Figure 17 is rotary tool rest component in this utility model embodiment two, push rod, end face limited block schematic diagram；

Figure 18 is the relative position view that this utility model embodiment two feeding terminates rear screw one and nut seat one；

Figure 19 is this utility model embodiment two relative position view by screw one after piston ring release with nut seat one；

Figure 20 is left leading screw and the connection diagram of right leading screw in this utility model embodiment two；

Figure 21 is the left view structural representation of push-plate in this utility model embodiment two；

Figure 22 is the sectional view in Figure 21 along B-B；

Figure 23 is link bar and the connection diagram of left hanger in this utility model embodiment two；

Figure 24 is link bar and the connection diagram of right hanger in this utility model embodiment two；

Figure 25 is the schematic front view of left hanger in this utility model embodiment two.

Detailed description of the invention

As shown in Fig. 3, Fig. 9, Figure 10, Figure 16 and Figure 17, this utility model piston ring automatic chamfering device includes by motor The controlled left leading screw 25 of driving, link bar 11a, ring mould 10, end face limited block 8, blade 7e, ring mould 10 opposing end surface Limited block 8 positions, the through hole being provided centrally with receiving piston ring 60 ' of ring mould 10, and link bar 11a is set with multiple work Plug ring 60 ', link bar 11a opposing end surface limited block 8 positions, and the piston ring 60 ' on link bar 11a is pushed by left leading screw 25 The through hole of ring mould 10, and the piston ring 60 ' being positioned at ring mould 10 high order end is extruded to its end face 601 ' and end face limited block 8 End face 81 contact, blade 7e rotary cutting is positioned at the piston ring 60 ' of ring mould 10 high order end, and the piston ring 60 ' of high order end is cut After having cut, ring mould 10 regression, link bar 11a regression, the piston ring 60 ' cut comes off.

Embodiment one

As shown in Figure 3, Figure 4, this utility model piston ring automatic chamfering device includes bed body 1, Rapid moving motor 23, slides The spacing lead screw assembly of plate 14, end face 3, push rod the 4, first spring 5, mair motor 6, rotary tool rest component 7, end face limited block 8, ring mould 10, storing bar assembly 11, push-plate 12, top cylinder 13, screw 1, nut seat 1, worm decelerating machine 17, Motor 18, back pieces pushing block 19, ball-screw assembly the 20, second spring 21, back pieces adjusting screw 22.

As it is shown on figure 3, be fixedly installed line slideway 101 in the middle part of bed body 1, slide plate 14 is rectangular frame structure, slide plate 14 Lower section be fixedly connected with multiple slide block 1401, multiple slide blocks 1401 coordinate with line slideway 101, and Rapid moving motor 23 is solid Being scheduled on the right-hand member of bed body 1, Rapid moving motor 23 drives slide plate 14 to slide in bed body 1 by advance and retreat lead screw assembly 44, enters Move back lead screw assembly 44 and include the first leading screw 44a, the first screw 44b, clutch shaft bearing, clutch shaft bearing seat 44d, clutch shaft bearing seat Being fixedly connected on bottom 44d in bed body 1, be provided with installing hole in clutch shaft bearing seat 44d, clutch shaft bearing is fixedly mounted on installation In hole, clutch shaft bearing is sleeved on right-hand member and the Rapid moving motor 23 of the first leading screw 44a right-hand member outer surface and the first leading screw 44a Output shaft is fixing to be connected, and the first leading screw 44a and the first screw 44b is threaded, the outer surface of the first screw 44b and slide plate 14 Right-hand member fixing connect, the first leading screw 44a is supported in the installing hole of clutch shaft bearing seat 44d by clutch shaft bearing, when starting soon During speed mobile motor 23, the output shaft rotation of Rapid moving motor 23, drive the first leading screw 44a to rotate, the first leading screw 44a Threadeding with the first screw 44b, the first screw 44b moves, and the outer surface of the first screw 44b is fixed with the right-hand member of slide plate 14 Connecting, drive slide plate 14 to slide in bed body 1, during this, the inner ring of clutch shaft bearing rotates with the first leading screw 44a, and first The outer ring of bearing is motionless.

As it is shown on figure 3, the left part of slide plate 14 is provided with ring mould holder 28, ring mould holder 28 is provided with and can accommodate ring mould 10 Circular hole, ring mould 10 is embedded in circular hole.

As shown in Figure 10, Figure 11, ring mould 10 be provided centrally with accommodate piston ring through hole, through hole include circular port 10a and Conical hole 10b being connected with circular port 10a, the diameter right-to-left of conical hole 10b reduces.

As it is shown on figure 3, the spacing lead screw assembly of end face 3 includes the second leading screw 3a, the second screw 3b, nut seat 3c, nut seat 3c is arranged in bed body 1, and the second leading screw 3a and the second screw 3b is threaded, and the left end of the second leading screw 3a is finely tuned with chamfering The output shaft of motor 2 is fixing to be connected, and the second leading screw 3a is by bearings in nut seat 3c, and the right-hand member of the second leading screw 3a can Contacting with the left end of push rod 4, push rod 4 can move left and right in rotary tool rest component 7, and the spacing lead screw assembly of end face 3 can realize Spacing to push rod 4.

As it is shown in figure 9, rotary tool rest component 7 includes locking nut 7a, cutter spindle 7b, cutterhead 7c, edge bearing 7d, blade 7e, cutter spindle 7b hollow, its be internally formed cylindrical cavity 72, cutterhead 7c is internally provided with centre bore 71, cutterhead The left side of 7c is fixedly connected on the right side of cutter spindle 7b.

As it is shown in figure 9, the outer surface of push rod 4 is stepped, the left end of push rod 4 sequentially passes through centre bore 71, cylindrical cavity 72, push rod 4 is supported in cutter spindle 7b by two push rod bearings 73, and two push rod bearings 73 are separately positioned on cylinder Left side in cavity 72 and right side, be provided with push rod bearing spacer 74, two push rod bearings 73 between two push rod bearings 73 Outer ring is all axially positioned by push rod bearing (ball) cover 77, and the push rod bearing (ball) cover 77 in left side is sleeved on the outer surface of push rod 4 And it being fixedly connected on the left side of cutter spindle 7b, cutter spindle 7b is supported on spindle bearing 76 by two main shaft bearings 75 On, spindle bearing 76 is fixed in bed body 1, is provided with main shaft bearing spacer 79, two main shafts between two main shaft bearings 75 The outer ring of bearing 75 is axially positioned by main shaft bearing end cap 78, and two main shaft bearing end caps 78 are all sleeved on cutter spindle The outer surface of 7b and two main shaft bearing end caps 78 are fixed with spindle bearing 76 respectively.

Shown in Fig. 3, Fig. 9, mair motor 6 is rotated cutter holder assembly 7 by belt gear 43 and rotates, and belt passes Motivation structure 43 includes main pulley 43a, from belt pulley 43b, belt 43c, main pulley 43a and passing through from belt pulley 43b Belt 43c connects, and the output shaft of mair motor 6 is fixing with main pulley 43a to be connected, and is fixed on cutter spindle from belt pulley 43b The outer surface of 7b, as it is shown in figure 9, it is fixing to use flat key to be connected from belt pulley 43b and cutter spindle 7b.

Shown in Fig. 3, Fig. 9, the right-hand member of push rod 4 is fixing with end face limited block 8 to be connected, and end face limited block 8 is positioned at center In hole 71, the first spring 5 is sleeved on push rod 4 left end outer surface, and the left end of push rod 4 is supported on bed body 1 by fixed mount 45 On, the left end of push rod 4 is arranged at intervals with two limiting plates 46, and two limiting plates 46 are all sleeved on push rod 4 and lay respectively at The both sides of fixed mount 45, the two ends of the first spring 5 withstand on respectively fixed mount 45, be positioned at right side limiting plate 46 on.

As it is shown on figure 3, motor 18 is in transmission connection with ball-screw assembly 20, set between motor 18 and ball-screw assembly 20 Putting worm decelerating machine 17, worm decelerating machine 17 includes shell 31, worm gear, worm screw, mandrel 26, and shell 31 is slidably connected at On slide plate 14, worm gear, worm screw are arranged in shell 31, and the output shaft of motor 18 is fixing with worm screw to be connected, and worm and wheel is nibbled Close, worm gear suit be fixed on mandrel 26, worm gear use with mandrel 26 flat key fix be connected, ball-screw assembly 20 includes a left side Leading screw 25, right leading screw 27, mandrel 26 two ends respectively with left leading screw 25, right leading screw 27 is fixing is connected, the left end of mandrel 26 and The left end of left leading screw 25 connects by the first taper bolt 47 is fixing, and the right-hand member of mandrel 26 passes through second with the left end of right leading screw 27 Taper bolt 48 is fixing to be connected.

As shown in Figure 12 to Figure 15, storing bar assembly 11 includes link bar 11a, left hanger 11b, right hanger 11c, link Being provided with longitudinal hole on bar 11a, left hanger 11b lower end can embed the left end of longitudinal hole 49, left hanger 11b upper end and ring Mould holder 28 is fixing to be connected, and right hanger 11c can embed the right-hand member of longitudinal hole 49, left hanger 11b include left guide section 52, It is connected to the lower linkage section 53 of left guide section 52 lower end, is connected to the upper linkage section 54 of left guide section 52 upper end, upper linkage section 54 fixing with ring mould holder 28 are connected, and the cross section of left guide section 52 is rectangle, and lower linkage section 53 is arc-shaped, lower linkage section After 53 embed in longitudinal holes 49, left guide section 52 stretches out outside longitudinal hole, right hanger 11c include right guide section 50 and with The right connection part 51 that right guide section 50 connects, the cross section of right guide section 50 is rectangle, and right connection part 51 is circular arc, right extension After frame 11c embeds longitudinal hole 49, the upper surface of right guide section 50 is beyond the outer surface of link bar 11a.During use, will live Plug ring opening is put in order, is enclosed within the outer surface of link bar 11a, and gap-clearance of piston rings is opened, and two sides of gap-clearance of piston rings are just It is fitted in before and after right guide section 50 side before and after side or left guide section 52.

In this utility model, storing bar assembly 11 can also be integrative-structure, link bar 11a, left hanger 11b, right hanger 11c Shape be not limited to above shape, as long as constitute storing bar assembly 11 can hang piston ring, its be provided above guide frame Can be that piston ring guides (left guide section described above or right guide section), prevents piston ring from rotating or play in by pushing course Structure, and storing bar assembly 11 be provided above can being connected with ring mould holder 28 structure, can be with suspension strut storing Bar assembly 11.

In order to adjust the height of storing bar assembly 11, between left hanger 11b upper end and ring mould holder 28, it is provided with adjusting means 29. Adjusting means 29 includes regulating bolt 29a, adjusting nut 29b, sliding connection plate 29c, and sliding connection plate 29c is L-type plate, The outer surface of adjusting nut 29b is fixedly connected on the right flank of the vertical section of L-type plate, and the left surface of the vertical section of L-type plate slides Being connected on ring mould holder 28, the horizontal segment of L-type plate is connected with the upper linkage section 54 of left hanger 11b, and regulation bolt 29a wears Cross the top connecting plate of ring mould holder 28 and threaded with adjusting nut 29b, when needing the height adjusting storing bar assembly 11, Stubborn regulation bolt 29a, adjusting nut 29b are fixing with sliding connection plate 29c to be connected, and sliding connection plate 29c is at ring mould holder 28 Upper slip, drives left hanger 11b to move up and down, and reaches to adjust the purpose of the height of storing bar assembly 11.

Shown in Fig. 8 a and Fig. 8 b, push-plate 12 be provided centrally with through hole 12a, the diameter of through hole 12a equals to or slightly less than The minimum diameter of endoporus when piston ring is naturally open, push-plate 12 is provided with the most through opening 12b, link bar 11a can stretch in through hole 12a, and the size of the right guide section 50 of right hanger 11c adapts with the size of opening 12b, right guiding The upper end of section 50 can be stretched in opening 12b.

As it is shown on figure 3, top cylinder 13 is cylindric, the left end of top cylinder 13 is fixing with push-plate 12 to be connected, and the right-hand member of top cylinder 13 is solid Determining connection has the first nut 55, the first nut 55 to threaded with left leading screw 25, and top cylinder 13 is stretched in the left part of left leading screw 25 And by bearings in the cylinder 13 of top, bearing outer ring is fixing with the inwall of top cylinder 13 to be connected, bearing inner race and left leading screw 25 Left part fixing connect, top cylinder 13 outer wall is slidably connected on slide plate 14, and when left leading screw 25 rotates, bearing inner race rotates, Outer ring does not rotates, and the first nut 55 drives top cylinder 13 to move on slide plate 14.

As shown in Figure 5 to Figure 6, nut seat 1 is fixedly connected on slide plate 14, is provided with stair-stepping in nut seat 1 Installing hole 16a, screw 1 connects through installing hole 16a and its right-hand member outer surface thread screw cap 30, screw cap 30 Distance between the right side of left side and installing hole 16a is F, and screw 1 is arranged in installing hole 16a, screw 1 Outer wall be provided with keyway, screw 1 is connected by feather key with nut seat 1, and screw 1 can be in nut seat 1 Sliding, the distance slided to the left or to the right is F, when screw 1 slides in nut seat 1 to the left, and the distance of slip Limited by the left side of screw cap 30, when fitting with the right side of installing hole 16a in the left side of screw cap 30, screw 1 Can not continue to slide to the left, when screw 1 slides to the right in nut seat 1, the distance of slip is by screw 1 left end Cascaded surface 15a limits, and the distance of the step surface 16b of cascaded surface 15a to stepped installing hole is F, when the ladder of screw 1 When face 15a and step surface 16b fits, screw 1 can not continue to slide to the right.

As it is shown on figure 3, screw 1 is sleeved on the center outer surface of left leading screw 25 and the two is threaded.

Back pieces pushing block 19 basal sliding is connected on slide plate 14, as it is shown on figure 3, back pieces pushing block 19 includes screw two 19a, silk Female seat two 19b, screw two 19a are fixedly mounted on inside nut seat two 19b, slide with slide plate 14 in the bottom of nut seat two 19b Connecting, screw two 19a is threaded in the outer surface of right leading screw 27.

It is fixedly connected with mounting bracket 32 in bed body 1, mounting bracket 32 is provided with back pieces adjusting screw installing hole 33, back pieces The bar portion of adjusting screw 22 contacts through back pieces adjusting screw installing hole 33 right-hand member with back pieces pushing block 19, back pieces adjusting screw The bar portion of 22 is set with the second spring 21, and the two ends of the second spring 21 withstand on mounting bracket 32 right side respectively, back pieces adjust silk The nut left side of thick stick 22, left leading screw 25, right leading screw 27, back pieces adjusting screw 22 be all horizontally disposed with, left leading screw 25, right Leading screw 27, the centrage of storing bar 11 overlap.

As it is shown on figure 3, this utility model piston ring automatic chamfering device also includes by chamfering fine setting motor mounting rack 201 sliding It is automatically connected in the chamfering fine setting motor 2 of bed body 1 left end, the output shaft of chamfering fine setting motor 2 and the left end of the first leading screw 3a to pass through Shaft coupling 34 is fixing to be connected.

As it is shown on figure 3, this utility model piston ring automatic chamfering device also includes that electric cabinet 9, electric cabinet 9 are fixed on bed body 1 On, electric cabinet 9 is for controlling mair motor 6, Rapid moving motor 23, motor 18, the startup of chamfering fine setting motor 2 and stopping.

As it is shown on figure 3, this utility model piston ring automatic chamfering device also includes workpiece recovering mechanism 24, workpiece recovering mechanism 24 The runner 2401 that including workbench 2405, is fixed in bed body 1, motor-driven conveyer mechanism 2402, roller-way 2403, T-Ring bar 2404, runner 2401 uses tubing to make, and one end of runner 2401 is positioned at the underface of ring mould 10 left side, stream The other end in road 2401 is positioned at the top of conveyer mechanism 2402, and conveyer mechanism 2402 is horizontally set on workbench 2405, The end of workbench 2405 is fixedly connected with roller-way bracing frame, and roller-way 2403 includes multiple roller, and multiple Roller spacers are arranged, And the two ends of multiple roller are all rotatably connected with roller-way bracing frame, roller-way 2403 from top to bottom, right-to-left be obliquely installed, connect One end of ring bar 2404 is fixed in bed body 1, and the other end of T-Ring bar 2404 is near roller-way 2403 left end.

This utility model piston ring automatic chamfering device can be used to the outer chamfering of machining piston ring, and the course of processing is as follows: opening is whole The multiple piston rings managed are sequentially sleeved on link bar 11a, start mair motor 6, and mair motor 6 is rotated cutter holder assembly 7 and revolves Turning, start Rapid moving motor 23, Rapid moving motor 23 promotes slide plate 14 to move quickly into by advance and retreat lead screw assembly 44 Working position, Rapid moving motor 23 stops, and starts motor 18, and motor 18 drives worm decelerating machine 17 to rotate, and then band Dynamic ball-screw assembly 20 rotates, and left leading screw 25 rotates, and the first nut 55 threadeded with left leading screw 25 is moved to the left, Top cylinder 13, push-plate 12 are moved to the left, and promote the piston ring of left end to enter ring mould 10, and ball-screw assembly 20 continues to rotate, left The piston ring of end promotes end face limited block 8 and push rod 4 to be moved to the left in the cylindrical cavity 72 of cutter spindle 7b, until pushing away Bar 4 touches the right side of the second leading screw 3a of the spacing lead screw assembly of end face 3, while ball-screw assembly 20 rotates, Screw 1 moves right in nut seat 1, and meanwhile, nut seat two 19b of back pieces pushing block 19 has moved right feeding Action, motor 18 stops；In feeding process, mair motor 6 is rotated cutter holder assembly 7 and rotates, until push rod 4 touches The right side of the second leading screw 3a, completing chamfering action, i.e. this utility model is feeding, chamfering on one side；Start the most mobile Motor 23, Rapid moving motor 23 drives slide plate 14 to move right by advance and retreat lead screw assembly 44, and push rod 4 is at the first spring 5 Effect under return to the right position to be processed, back pieces pushing block 19 clashes into back pieces adjusting screw 22, and the second spring 21 is compressed, Under the effect of the second spring 21, back pieces pushing block 19 is moved to the left, and ball-screw assembly 20 is moved to the left, and pushes up cylinder 13, pushes away Dish 12 is moved to the left, and is released by the piston ring processed from ring mould 10, and piston ring flows out along workpiece recovering mechanism 24, passes through Runner 2401, conveyer mechanism 2402, roller-way 2403 are through on T-Ring bar 2404, and a fabrication cycles terminates.

During the next piston ring of processing, circulate said process all the time.Left leading screw 25, the core of worm decelerating machine 17 in the present embodiment Axle 26, right leading screw 27 connect as one, and left leading screw 25 is identical with the helical pitch of right leading screw 27 and rotation direction, and slide plate 14 is setting When moving left and right in fixed distance, back pieces pushing block 19 does not changes with the position of back pieces adjusting screw 22 every time, and is moved back by adjustment Part adjusting screw 22 makes the position of position that piston ring comes off after processing and next piston ring to be processed be all constant, Each circulation is that the plane at the place, chamfering side with piston ring is as machining benchmark, it is to avoid height of piston ring error is to chamfer dimesion Impact, stable and reliable for performance, can guarantee that the machining accuracy of piston ring simultaneously.

The present embodiment can be only done the outer chamfer machining that piston ring is unilateral every time, when processing the outer chamfering of opposite side, changes piston ring Suspension direction.

Embodiment two

As shown in Figure 16, Figure 17, this utility model piston ring automatic chamfering device include bed body 1, Rapid moving motor 23, The spacing lead screw assembly of slide plate 14, end face 3, push rod 4 ', mair motor 6 ', rotary tool rest component 7 ', end face limited block 8, ring mould 10, storing bar assembly 11 ', push-plate 12, top cylinder 13, screw 1 ', nut seat 1 ', worm decelerating machine 17, motor 18, back pieces pushing block 19 ', ball-screw assembly, the second spring 21 ', back pieces adjusting screw 22 '.

As shown in figure 16, being fixedly installed line slideway 101 ' in the middle part of bed body 1, slide plate 14 is rectangular frame structure, slide plate 14 Lower section be fixedly connected with multiple slide block 1401 ', multiple slide blocks 1401 ' coordinate with line slideway 101 ', Rapid moving motor 23 right-hand members being fixed on bed body 1, Rapid moving motor 23 drives slide plate 14 to slide in bed body 1 by advance and retreat lead screw assembly 44 ' Dynamic, advance and retreat lead screw assembly 44 ' includes the first leading screw 44a ', the first screw 44b ', clutch shaft bearing, clutch shaft bearing seat 44d ', Clutch shaft bearing seat 44d ' bottom is fixedly connected in bed body 1, is provided with installing hole in clutch shaft bearing seat 44d ', and clutch shaft bearing is solid Dingan County is contained in installing hole, and clutch shaft bearing is sleeved on the right-hand member of the first leading screw 44a ' right-hand member outer surface and the first leading screw 44a ' with fast The output shaft of speed mobile motor 23 is fixing to be connected, and the first leading screw 44a ' is threadeded with the first screw 44b ', the first screw 44b ' The right-hand member of outer surface and slide plate 14 fixing be connected, the first leading screw 44a ' is supported on clutch shaft bearing seat 44d ' by clutch shaft bearing Installing hole in, when start Rapid moving motor 23 time, the output shaft rotation of Rapid moving motor 23, drive the first leading screw 44a ' Rotating, the first leading screw 44a ' is threadeded with the first screw 44b ', and the first screw 44b ' is mobile, the first screw 44b's ' The right-hand member of outer surface and slide plate 14 is fixing to be connected, and drive slide plate 14 slides in bed body 1, during this, and clutch shaft bearing interior Enclosing and rotate with the first leading screw 44a ', the outer ring of clutch shaft bearing is motionless.

As shown in figure 16, the left part of slide plate 14 is provided with ring mould holder 28 ', ring mould holder 28 ' is provided with and can accommodate ring The circular hole of mould 10, ring mould 10 is embedded in circular hole.

As shown in Figure 10, Figure 11, ring mould 10 be provided centrally with accommodate piston ring through hole, through hole include circular port 10a and Conical hole 10b being connected with circular port 10a, the diameter right-to-left of conical hole 10b reduces.

As shown in figure 16, the spacing lead screw assembly of end face 3 includes the second leading screw 3a ', the second screw 3b ', nut seat 3c ', silk Female seat 3c ' it is arranged in bed body 1, the second leading screw 3a ' is threadeded with the second screw 3b ', the left end of the second leading screw 3a ' Fixing with the output shaft of chamfering fine setting motor 2 being connected, the second leading screw 3a ' passes through bearings in nut seat 3c ', second The right-hand member of thick stick 3a ' is connected by shaft coupling 56 ' with the left end of push rod 4 ', arranges thrust bearing 57 ', push away in shaft coupling 56 ' Bar 4 ' can move left and right in rotary tool rest component 7 '.

As shown in Figure 16, Figure 17, rotary tool rest component 7 ' includes cutter spindle 7b ', cutterhead 7c ', blade 7e, cutterhead master Axle 7b ' hollow, its be internally formed cylindrical cavity 72 ', end face limited block 8 be internally provided with centre bore 71 ', end face limits The left side of position block 8 is fixedly connected on the right side of cutter spindle 7b ', and cutterhead 7c ' is fixed on the right side of push rod 4 ', cutter Sheet 7e is fixed on cutterhead 7c ', and cutterhead 7c ' is positioned at centre bore 71 '.

As shown in Figure 16, Figure 17, the outer surface of push rod 4 ' is stepped, the left end of push rod 4 ' sequentially pass through centre bore 71 ', Cylindrical cavity 72 ', push rod 4 ' is supported in cutter spindle 7b ' by two push rod bearings 73 ', two push rod bearings 73 ' The left side being separately positioned in cylindrical cavity 72 ' and right side, be provided with push rod bearing spacer between two push rod bearings 73 ' 74 ', two push rod bearing 73 ' outer rings the most axially position, and cutter spindle 7b ' is fixed on spindle bearing 76 ', main shaft Bearing 76 ' is fixed in bed body 1.

As shown in figure 16, mair motor 6 ' is rotated cutter holder assembly 7 ' rotation by belt gear 43 ', such as Figure 16 Shown in, belt gear 43 ' includes main pulley 43a ', from belt pulley 43b ', belt 43c ', main pulley 43a ' Being connected by belt 43c ' with from belt pulley 43b ', the output shaft of mair motor 6 ' is fixing with main pulley 43a ' to be connected, from Belt pulley 43b ' is connected to the outer surface of push rod 4 ' coming year.

As shown in figure 16, motor 18 ' is in transmission connection with ball-screw assembly, arranges between motor 18 ' and ball-screw assembly Worm decelerating machine 17, worm decelerating machine 17 includes that shell 31 ', worm gear, worm screw, mandrel 26 ', shell 31 ' are slidably connected at On slide plate 14, worm gear, worm screw are arranged in shell 31 ', and the output shaft of motor 18 ' is fixing with worm screw to be connected, worm screw and snail Wheel engagement, worm gear suit is fixed on mandrel 26 ', and worm gear is fixing with mandrel 26 ' employing flat key to be connected, ball-screw assembly bag Including left leading screw 25, right leading screw 27 ', mandrel 26 ' two ends are fixed be connected, such as Figure 20 with left leading screw 25, right leading screws 27 ' respectively Shown in, the left end of mandrel 26 ' is connected by the first taper bolt 47 ' is fixing with the left end of left leading screw 25, the right-hand member of mandrel 26 ' It is connected by the second taper bolt 48 ' is fixing with the left end of right leading screw 27 '.

In conjunction with Figure 16, Figure 12, Figure 23 to Figure 25, storing bar assembly 11 ' includes link bar 11a, left hanger 11b ', right extension Frame 11c ', link bar 11a is provided with longitudinal hole, and left hanger 11b ' lower end can embed the left end of longitudinal hole 49 ', left Hanger 11b ' upper end is fixing with ring mould holder 28 ' to be connected, and right hanger 11c ' can embed the right-hand member of longitudinal hole 49 '.

As shown in Figure 12, Figure 23-Figure 25, left hanger 11b ' includes left guide section 52 ', is connected to left guide section 52 ' lower end Lower linkage section 53 ', be connected to the upper linkage section 54 ' of left guide section 52 ' upper end, upper linkage section 54 ' and ring mould holder 28 ' Fixing connection, the cross section of left guide section 52 ' is rectangle, and lower linkage section 53 ' is arc-shaped, and lower linkage section 53 ' embeds longitudinally After in through hole 49 ', left guide section 52 ' stretches out outside longitudinal hole, right hanger 11c ' include right guide section 50 ' and with right guiding The right connection part 51 ' that section 50 ' connects, the cross section of right guide section 50 ' is rectangle, and right connection part 51 ' is circular arc, right hanger After 11c ' embeds longitudinal hole 49 ', the upper surface of right guide section 50 ' is beyond the outer surface of link bar 11a.During use, will Gap-clearance of piston rings is put in order, is enclosed within the outer surface of link bar 11a, and gap-clearance of piston rings is opened, and two sides of gap-clearance of piston rings are firm It is fitted in well before and after right guide section 50 ' side before and after side or left guide section 52 '.

In this utility model, storing bar assembly 11 ' can also be integrative-structure, link bar 11a, left hanger 11b ', right hanger 11c ' Shape be not limited to above shape, as long as constitute storing bar assembly 11 ' can hang piston ring, its be provided above guide knot Structure can be that piston ring guides (left guide section described above or right guide section), prevents piston ring from rotating in by pushing course or altering Dynamic structure, and storing bar assembly 11 ' be provided above can being connected with ring mould holder 28 ' structure, can be with suspension strut Storing bar assembly 11 '.

Shown in Figure 16, Figure 12, Figure 23, Figure 24, in order to adjust the height of storing bar assembly 11 ', left hanger 11b ' It is provided with adjusting means 29 ' between upper end and ring mould holder 28 '.Adjusting means 29 ' includes regulating bolt 29a ', adjusting nut 29b ', sliding connection plate 29c ', sliding connection plate 29c ' it is L-type plate, the outer surface of adjusting nut 29b ' is fixedly connected on L The right flank of the vertical section of template, the left surface of the vertical section of L-type plate is slidably connected on ring mould holder 28 ', the water of L-type plate Flat section is connected with the upper linkage section 54 ' of left hanger 11b ', and regulation bolt 29a ' passes the top connecting plate of ring mould holder 28 ' also Threaded with adjusting nut 29b ', when needing the height adjusting storing bar assembly 11 ', twist regulation bolt 29a ', regulation Nut 29b ' and sliding connection plate 29c ' fixing is connected, sliding connection plate 29c ' are slided ring mould holder 28 ' is upper, drive left Hanger 11b ' moves up and down, and reaches to adjust the purpose of the height of storing bar assembly 11 '.

As shown in Figure 21 to Figure 22, push-plate 12 be provided centrally with through hole 12a ', the diameter of through hole 12a ' equals to or slightly less than The minimum diameter of endoporus when piston ring is naturally open, push-plate 12 is provided with the most through opening 12b ', link Bar 11a can stretch in through hole 12a ', and the size of the right guide section 50 ' of right hanger 11c ' adapts with the size of opening 12b ', The upper end of right guide section 50 ' can be stretched in opening 12b '.

As shown in figure 16, top cylinder 13 is cylindric, and the left end of top cylinder 13 is fixing with push-plate 12 to be connected, and the right-hand member of top cylinder 13 is solid Determining connection has the first nut 55, the first nut 55 to threaded with left leading screw 25, and top cylinder 13 is stretched in the left part of left leading screw 25 And by bearings in the cylinder 13 of top, bearing outer ring is fixing with the inwall of top cylinder 13 to be connected, bearing inner race and left leading screw 25 Left part fixing connect, top cylinder 13 outer wall is slidably connected on slide plate 14, and when left leading screw 25 rotates, bearing inner race rotates, Outer ring does not rotates, and the first nut 55 drives top cylinder 13 to move on slide plate 14.

Shown in Figure 16, Figure 18, Figure 19, nut seat 1 ' be fixedly connected on slide plate 14, nut seat 1 ' in It is provided with stair-stepping installing hole 16a ', screw 1 ' there is screw through installing hole 16a ' and the connection of its right-hand member outer surface thread Cap 30 ', the distance between left side and the right side of installing hole 16a ' of screw cap 30 ' is F, screw 1 ' be arranged on In installing hole 16a ', screw 1 ' outer wall be provided with keyway, screw 1 ' and nut seat 1 ' it is connected by feather key, Sliding in screw 1 ' can be at nut seat 1 ', the distance slided to the left or to the right is F, screw 1 ' at nut seat When sliding to the left in one 16 ', the distance of slip is limited by the left side of screw cap 30 ', when screw cap 30 ' left side with Time laminating in the right side of installing hole 16a ', screw 1 ' can not continue to slide to the left, screw 1 ' at nut seat 1 ' When sliding the most to the right, the distance of slip is by screw 1 ' the cascaded surface 15a ' of left end limits, and cascaded surface 15a ' is to stepped The distance of the step surface 16b ' of installing hole is F, when screw 1 ' cascaded surface 15a ' and step surface 16b ' when fitting, silk Female 1 ' can not continue to slide to the right.

As shown in figure 16, screw 1 ' it is sleeved on the center outer surface of left leading screw 25 and the two is threaded.

As shown in figure 16, back pieces pushing block 19 ' basal sliding is connected on slide plate 14, back pieces pushing block 19 ' include screw two 19a ', It is internal that nut seat two 19b ', screw two 19a ' are fixedly mounted on nut seat two 19b ', the bottom of nut seat two 19b ' and slide plate 14 are slidably connected, and screw two 19a ' is threaded in the outer surface of right leading screw 27 '.

As shown in figure 16, bed body 1 is fixedly connected with mounting bracket 32 ', mounting bracket 32 ' is provided with back pieces adjusting screw Installing hole 33 ', the bar portion of back pieces adjusting screw 22 ' passes back pieces adjusting screw installing hole 33 ' the right side with back pieces pushing block 19 ' End in contact, the bar portion of back pieces adjusting screw 22 ' is set with the second spring 21 ', and the two ends of the second spring 21 ' withstand on installation respectively Support 32 ' right side, the nut left side of back pieces adjusting screw 22 ', left leading screw 25, right leading screw 27 ', back pieces adjusting screw 22 ' are all horizontally disposed with, and left leading screw 25, right leading screw 27 ', the centrage of link bar 11a overlap.

As shown in figure 16, chamfering fine setting motor 2 is slidably connected at a left side for bed body 1 by chamfering fine setting motor mounting rack 201 ' End, the output shaft of chamfering fine setting motor 2 and the left end of the first leading screw 3a ' connect by shaft coupling 34 ' is fixing.

As shown in figure 16, this utility model piston ring automatic chamfering device also includes that electric cabinet 9 ', electric cabinet 9 ' are fixed on bed body On 1, electric cabinet 9 ' is used for controlling mair motor 6 ', Rapid moving motor 23, motor 18 ', the startup of chamfering fine setting motor 2 And stopping.

As shown in figure 16, this utility model piston ring automatic chamfering device also includes workpiece recovering mechanism 24, workpiece recovering mechanism 24 include workbench 2405 ', the runner 2401 ' being fixed in bed body 1, motor-driven conveyer mechanism 2402 ', roller-way 2403 ', T-Ring bar 2404 ', runner 2401 ' uses tubing to make, and one end of runner 2401 ' is positioned at ring mould 10 left side Underface, the other end of runner 2401 ' is positioned at the top of conveyer mechanism 2402 ', and conveyer mechanism 2402 ' is horizontally disposed with On workbench 2405 ', the end of workbench 2405 ' is fixedly connected with roller-way bracing frame, and roller-way 2403 ' includes multiple roller Son, multiple Roller spacers arrange, and the two ends of multiple roller be all rotatably connected with roller-way bracing frame, roller-way 2403 ' is from upper Under, right-to-left be obliquely installed, one end of T-Ring bar 2404 ' is fixed in bed body 1, and the other end of T-Ring bar 2404 ' is close Roller-way 2403 ' left end.

This utility model piston ring automatic chamfering device can be used to the interior chamfering of machining piston ring, and the course of processing is as follows: opening is whole The multiple piston rings managed are sequentially sleeved on link bar 11a, start mair motor 6 ', and mair motor 6 ' drives push rod 4 ' to rotate, Blade 7e rotates, and starts Rapid moving motor 23, and Rapid moving motor 23 promotes slide plate 14 by advance and retreat lead screw assembly 44 ' Moving quickly into the chamfer machining position of setting, Rapid moving motor 23 stops, and starts motor 18 ', and motor 18 ' drives worm screw The mandrel 26 ' of reductor 17 rotates, and then drives ball-screw assembly to rotate, and left leading screw 25 rotates, with left leading screw 25 spiral shell The first nut 55 that stricture of vagina connects is moved to the left, and top cylinder 13, push-plate 12 are moved to the left, and promotes the piston ring of left end to enter ring mould 10, Ball-screw assembly continues to rotate, and the piston ring of left end is pulled to the right side laminating with end face limited block 8, starts chamfering fine setting Motor 2, chamfering fine setting motor 2 drives the second leading screw 3a ', shaft coupling 56 ' to promote push rod 4 ' at the circle of cutter spindle 7b ' Moving right in cylindrical cavity 72 ', push rod 4 ' band cutting blade 7e rotates, and completes chamfer process, and after completing chamfering, chamfering is micro- Adjusting motor 2 to drag push rod 4 ' and cutterhead 7c ', blade 7e can fall back on home position, mair motor 6 ' stops；Start and quickly move Galvanic electricity machine 23, Rapid moving motor 23 drives slide plate 14 to move right by advance and retreat lead screw assembly 44 ', when moving to set position When putting, back pieces pushing block 19 ' collides with back pieces adjusting screw 22 ', and the second spring 21 ' is compressed, at the second spring 21 ' Under effect, back pieces pushing block 19 ' is moved to the left, ball-screw assembly is moved to the left, push up cylinder 13 and push-plate 12 is moved to the left in promotion, Being released from ring mould 10 by the piston ring 60 ' processed, piston ring 60 ' flows out along workpiece recovering mechanism 24, through runner 2401 ', conveyer mechanism 2402 ', roller-way 2403 ' are through on T-Ring bar 2404 ', and a fabrication cycles terminates.

During the next piston ring of processing, circulate said process all the time.Left leading screw 25 in this utility model, worm decelerating machine 17 Mandrel 26 ', right leading screw 27 ' connect as one, and left leading screw 25 is identical with the helical pitch of right leading screw 27 ' and rotation direction, slide plate 14 positions of back pieces pushing block 19 ' and back pieces adjusting screw 22 ' when every time moving left and right in the distance set do not change, and By adjusting position and the next piston ring to be processed that back pieces adjusting screw 22 ' makes piston ring 60 ' come off after processing The position of 60 ' is all constant, each circulation is that the plane at the place, chamfering side with piston ring is as machining benchmark, it is to avoid work The impact on chamfer dimesion of the plug ring height error, stable and reliable for performance, can guarantee that the machining accuracy of piston ring simultaneously.

The present embodiment piston ring automatic chamfering device can be only done the interior chamfer machining that piston ring is unilateral every time, processes the interior of opposite side During chamfering, change the suspension direction of piston ring.

This utility model is in the course of processing, all the time with the plane at place, piston ring chamfer side as machining benchmark, it is to avoid piston ring The height error impact on chamfer dimesion, stable and reliable for performance, reduce labor intensity and production cost, efficiency is high, energy simultaneously Ensure the machining accuracy of piston ring.

Embodiment described above is only to be described preferred implementation of the present utility model, not to of the present utility model Scope is defined, and on the premise of without departing from this utility model design spirit, those of ordinary skill in the art are to this utility model The various deformation made of technical scheme and improvement, all should fall in the protection domain that this utility model claims determine.

Claims (10)

1. a piston ring automatic chamfering device, it is characterised in that: include by motor-driven controlled left leading screw (25), hang Ring bar (11a), ring mould (10), end face limited block (8), blade (7e), described ring mould (10) opposing end surface limited block (8) Location, the through hole being provided centrally with receiving piston ring (60 ') of described ring mould (10), the upper suit of described link bar (11a) Having multiple piston ring (60 '), described link bar (11a) opposing end surface limited block (8) positions, and described left leading screw (25) will Piston ring (60 ') on link bar (11a) pushes the through hole of ring mould (10), and is positioned at the piston of ring mould (10) high order end Ring (60 ') is extruded to its end face (601 ') and contacts with the end face (81) of end face limited block (8), described blade (7e) Rotary cutting is positioned at the piston ring (60 ') of ring mould (10) high order end, after the piston ring (60 ') of high order end has cut, and ring mould (10) regression, link bar (11a) regression, the piston ring (60 ') cut comes off.

Piston ring automatic chamfering device the most according to claim 1, it is characterised in that: described through hole includes circular port (10a) And the conical hole (10b) being connected with circular port (10a), the diameter right-to-left of described conical hole (10b) reduces.

Piston ring automatic chamfering device the most according to claim 2, it is characterised in that: also include push-plate (12), top cylinder (13), described push-plate (12) be provided centrally with push-plate through hole (12a), the diameter of described push-plate through hole (12a) equal to or Diameter of bore time naturally open less than piston ring (60 '), described top cylinder (13) left end is fixing with push-plate (12) to be connected, institute The right-hand member stating top cylinder (13) is fixedly connected with the first nut (55), and described first nut (55) is with left leading screw (25) screw thread even Connect.

Piston ring automatic chamfering device the most according to claim 3, it is characterised in that: also include worm decelerating machine (17), The worm screw that the worm gear that described worm decelerating machine includes mandrel, be fixedly mounted on mandrel engages with worm gear, described worm screw is with described The output shaft of motor (18) is fixing to be connected, and described mandrel is fixing with described left leading screw to be connected.

Piston ring automatic chamfering device the most according to claim 4, it is characterised in that: also include bed body (1), by quickly The slide plate (14) that mobile motor (23) drives, described slide plate (14) is slidably connected in bed body (1), described top cylinder (13) Outer wall be slidably connected on slide plate (14), the shell of described worm decelerating machine (17) is slidably connected with slide plate (14).

Piston ring automatic chamfering device the most according to claim 5, it is characterised in that: also include workpiece recovering mechanism (24), Described workpiece recovering mechanism (24) includes the runner being fixed in bed body (1), and the end of described runner is positioned at ring mould left side Underface.

Piston ring automatic chamfering device the most according to claim 6, it is characterised in that: also include mair motor (6), rotate Cutter holder assembly (7), described rotary tool rest component (7) includes that described blade (7e), described rotary tool rest component (7) also include Cutter spindle (7b), cutterhead (7c), described cutter spindle (7b) hollow, its be internally formed cylindrical cavity (72), described Cutterhead (7c) be internally provided with centre bore (71), described cylindrical cavity (72) and centre bore (71) dead in line, institute Stating blade (7e) to be fixed on cutterhead (7c), described cutterhead (7c) is fixed on the right side of cutter spindle (7b), described Mair motor (6) drives cutter spindle (7b) to rotate.

Piston ring automatic chamfering device the most according to claim 7, it is characterised in that: also include that outer surface is stair-stepping Push rod (4), described end face limited block (8) be discoid, its be positioned at centre bore (71), the right-hand member of push rod (4) and end The left side of face limited block (8) is fixing to be connected, and the left end of push rod (4) sequentially passes through centre bore (71), cylindrical cavity (72) And the left end of push rod (4) is set with the first spring (5), push rod (4) moves left and right in cylindrical cavity (72), push rod (4) left end is supported in bed body (1) by fixed mount (45), the left end of push rod (4), the both sides of fixed mount (45) Being provided with two limiting plates (46), the two ends of the first spring (5) withstand on fixed mount (45) respectively, are positioned at the limiting plate (46) on right side On, described bed body (1) is upper, the left side of push rod (4) is fixedly installed the end face limiting wire of the position for limiting push rod (4) Thick stick assembly (3).

Piston ring automatic chamfering device the most according to claim 6, it is characterised in that: also include mair motor (6 '), outer Surface is stair-stepping push rod (4 '), rotary tool rest component (7 '), and described rotary tool rest component (7 ') includes described blade (7e), Described rotary tool rest component (7 ') also includes cutter spindle (7b '), cutterhead (7c '), cutter spindle (7b ') hollow, in it Portion forms cylindrical cavity (72 '), and end face limited block (8) is fixed on the right side of cutter spindle (7b '), end face limited block (8) be internally provided with centre bore (71 '), cylindrical cavity (72 ') and centre bore (71 ') dead in line, cutterhead (7c ') Being fixed on the right side of push rod (4 ') and be positioned at centre bore (71 '), blade (7e) is fixed on cutterhead (7c '), pushes away The left end of bar (4 ') sequentially passes through centre bore (71 '), cylindrical cavity (72 '), and described mair motor (6) drives push rod (4 ') Rotating, described push rod (4 ') is moved in cylindrical cavity (72 ').

Piston ring automatic chamfering device the most according to claim 9, it is characterised in that: also include chamfering fine setting motor (2), The spacing lead screw assembly of end face (3), the spacing lead screw assembly of end face (3) is fixedly connected in bed body (1), chamfering fine setting motor (2) Being slidably connected at the left end of bed body (1), the output shaft of chamfering fine setting motor (2) is fixing with the spacing lead screw assembly of end face (3) even Connecing, the right-hand member of the spacing lead screw assembly of end face (3) is connected by shaft coupling (56 ') with the left end of push rod (4 '), shaft coupling (56 ') Thrust bearing (57 ') is inside set.