CN202763384U - Single cylinder crankshaft rolling machine tool - Google Patents
Single cylinder crankshaft rolling machine tool Download PDFInfo
- Publication number
- CN202763384U CN202763384U CN 201220404186 CN201220404186U CN202763384U CN 202763384 U CN202763384 U CN 202763384U CN 201220404186 CN201220404186 CN 201220404186 CN 201220404186 U CN201220404186 U CN 201220404186U CN 202763384 U CN202763384 U CN 202763384U
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- rolling
- trunnion
- rod journal
- single cylinder
- journal
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Abstract
The utility model discloses a single cylinder crankshaft rolling machine tool. The single cylinder crankshaft rolling machine tool comprises a seat, a main journal rolling device, a connecting rod journal clamping device, a connecting rod journal rolling head and a connecting rod journal rotating device, wherein the main journal rolling device comprises a main journal rolling driving oil cylinder, a sliding table and a main journal rolling roller supporting mechanism, the connecting rod journal clamping device comprises a clamping oil cylinder, a multi-bar clamping mechanism, two main journal supporting blocks and two sector plate supporting seats, the connecting rod journal rotating device comprises a gear box, a motor, an output disc and a follow-up disc. According to the single cylinder crankshaft rolling machine tool, knuckles of main journals at two ends of a crankshaft and a middle connecting rod journal are rolled simultaneously through a pair of main journal rolling rollers and a pair of connecting rod journal rollers, only once operation is needed to complete all knuckle rolling. Rolling-force and the rolling number of turns can be controlled to achieve automatic rolling operation, so that rolling quality of high accuracy and uniform stability is acquired. Labor intensity is reduced and working efficiency is greatly improved.
Description
Technical field
The utility model relates to the special purpose machine tool that a kind of crankshaft journal is strengthened, and relates in particular to the special purpose machine tool of the simultaneously roll extrusion of rod journal of a kind of trunnion to the single cylinder crankshaft two end and centre, belongs to the Crankshaft Machining field.
Background technology
Bent axle is the strength member of transferring power in the internal combustion engine, and condition of work is abominable.Because bending combined load and shock loading that bent axle bears complicated alternation, fatigue fracture is the main cause that bent axle lost efficacy, the formation of crack that causes fatigue fracture mostly occur trunnion be connected plate and rod journal and be connected the knuckle place of connection with the fan plate, the main method that improves crankshaft fatigue strength is by finish rolling hardening, realizes in the certain compression of knuckle surface formation.Existing maneton roll extrusion mainly contains two kinds, a kind of is Manual rolling, in the machine tool of process repacking special fixture clamping crankshaft rotating, operate manually roll extrusion arm through-feed rolling maneton, roll extrusion power and the roll extrusion number of turns all are Artificial Control, the roll extrusion quality is unstable, and efficient is low, is difficult for producing in batches.Another kind is automatic rolling, mainly is that numerical control device is finished, and the adjustment of roll extrusion power and the roll extrusion number of turns all are automatically to finish, the roll extrusion steady quality, but lathe is expensive, and use cost is higher.
Summary of the invention
The purpose of this utility model is to provide the lower crankshaft journal of a kind of manufacturing cost to strengthen special purpose machine tool, primary feed is finished the rolling and processing of trunnion with the rod journal of centre of single cylinder crankshaft two end simultaneously, cut down finished cost, improve machining accuracy and working (machining) efficiency.
The utility model is achieved by the following technical programs:
A kind of single cylinder crankshaft rolling tool, comprise base, be arranged on the trunnion rolling device on base one end, be arranged on rod journal clamping device, rod journal milled head and rod journal slewing equipment on the base other end, described trunnion rolling device comprises that the trunnion roll extrusion drives oil cylinder, slide unit and trunnion rolling roller supporting mechanism, and the trunnion roll extrusion drives oil cylinder and is fixed on base one end by cylinder bracket; Slide unit comprises slide unit body, slide unit base, and the slide unit base is fixed on the base, and the slide unit body is connected with the slide unit base sliding, and the trunnion roll extrusion drives cylinder piston rod and is connected with slide unit body one end; Described trunnion rolling roller supporting mechanism comprises roller supporting seat, two roller support arms and two trunnion rolling rollers, described roller supporting seat is fixed on the slide unit body, two roller support arms arrange in pairs, be separately fixed on the roller supporting seat both sides, the trunnion rolling roller is supported on the roller support arm other end; Described rod journal clamping device comprises the clamping oil cylinder, many bar cramps are held mechanism, two trunnion back-up blocks and two fan plate supporting seats, it is hinged that the upper and lower sides of described clamping oil cylinder one end and many bar cramps are held mechanism's one end, described many bar cramps are held the rod journal that mechanism's other end can closes ground clamping single cylinder bent axle, described rod journal milled head is inlaid in many bar cramps and holds on mechanism's other end, two trunnion back-up blocks are separately fixed on the corresponding supporting seat, described supporting seat is separately fixed at many bar cramps and holds on the base of mechanism both sides, two fan plate supporting seats are corresponding with bent axle fan Board position, are fixed on the base; Described rod journal slewing equipment comprises gear-box, motor, output disk and servo-actuated disk, described motor one end is fixed on the gear-box outside, gear-box is fixed on the base other end, gearbox output shaft is fixedly connected with output disk, the output disk downside is provided with the servo-actuated disk hinged with the gear-box tank wall, and clamping oil cylinder upper and lower sides is hinged with output disk and servo-actuated disk off-centre respectively.
Of the present utility model can also further the realization by the following technical programs.
Aforesaid single cylinder crankshaft rolling tool, wherein said two trunnion rolling rollers become the splayed setting, and trunnion rolling roller and adjustable forearm front end are hinged, and described adjustable forearm rear end and the roller support arm other end are hinged; Gripper shoe one end is fixed on the roller support arm outside, and adjustment screw one end passes the gripper shoe other end, is resisted against on the roller support arm outside, is provided with extension spring between roller support arm other end termination and the adjustment screw other end.
Aforesaid single cylinder crankshaft rolling tool, wherein said many bar cramps are held mechanism and are comprised upper clip arm, lower clip arm, two intermediate connecting rods, upper grip block and lower grip blocks, upper clip arm rear end, lower clip arm rear end are hinged with clamping oil cylinder one end upper and lower sides respectively, two intermediate connecting rod outer ends are hinged with upper clip arm middle part and lower clip arm middle part respectively, two intermediate connecting rods are inner hinged with clamping cylinder piston rod termination, upper grip block is fixed on the front end of upper clip arm, and lower grip block is fixed on the front end of lower clip arm; The corresponding surface of upper grip block downside and rod journal is the plane.
Aforesaid single cylinder crankshaft rolling tool, wherein said rod journal milled head comprise rest pad, two rod journal rollers and guide wheel, and described two rod journal rollers tilt to be inlaid in the rest pad both sides symmetrically; Described guide wheel is positioned at two rod journal roller upsides, is bearing in by bearing and axle in the cover plate of upper grip block both sides, and the guide wheel both sides of the edge contact with rod journal roller outer rim respectively, and described rest pad is inlaid in the grip block downside.
Aforesaid single cylinder crankshaft rolling tool, wherein said trunnion back-up block and lower grip block and single cylinder bent axle contact portion are arc, and several rollers of setting-in on the described arc, the trunnion of single cylinder bent axle and rod journal are bearing in respectively on several corresponding rollers.
Aforesaid single cylinder crankshaft rolling tool, the eccentric throw of wherein said output disk eccentric throw and servo-actuated disk is equal, and described eccentric throw equates with trunnion and the rod journal centre-to-centre spacing of single cylinder bent axle.
The utility model is held the pair of links axle journal roller on the grip block in the mechanism by being arranged on a pair of trunnion rolling roller on the roller support arm and being arranged on many bar cramps, trunnion and middle rod journal knuckle to crankshaft two end carry out roll extrusion simultaneously, only need once-through operation can finish the roll extrusion of whole knuckles.Drive the oil-feed oil pressure of oil cylinder and clamping oil cylinder by adjusting the trunnion roll extrusion, can control the roll extrusion power of trunnion and rod journal; Also can be according to the rolling technology requirement, the number of revolutions of the output disk by the electric control system controls gear-box, thus can adjust the roll extrusion number of turns, to reach best roll extrusion state.The utility model can carry out the automatic rolling operation, and precision is higher to obtain, the roll extrusion quality of stable and consistent, only needs artificial loading and unloading during operation, and all the other are finished automatically by the utility model, have reduced artificial intensity, have greatly improved working (machining) efficiency.
Advantage and disadvantage of the present utility model will be for illustration and explanation by the non-limitative illustration of following preferred embodiment, and these embodiment only provide as an example with reference to accompanying drawing.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the I section enlarged drawing of Fig. 1;
Fig. 4 is the A-A amplification view of Fig. 2;
Fig. 5 is the II section enlarged drawing of Fig. 2.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples.
Such as Fig. 1～shown in Figure 5, the present embodiment comprises base 1, be arranged on the trunnion rolling device 2 on base 1 one ends, be arranged on the rod journal clamping device 3 on the base other end, rod journal milled head 4 and rod journal slewing equipment 5, trunnion rolling device 2 comprises that the trunnion roll extrusion drives oil cylinder 21, slide unit 22 and trunnion rolling roller supporting mechanism 23, the trunnion roll extrusion drives oil cylinder 21 and is fixed on base 1 one ends by cylinder bracket 24, slide unit 22 comprises slide unit body 221 and slide unit base 222, slide unit base 222 is fixed on the base 1, slide unit body 221 adopts the T-slot structure to be buckled on the slide unit base 222, be slidingly connected with slide unit base 222, the trunnion roll extrusion drives oil cylinder 21 piston rods and slide unit body 221 1 ends are threaded connection.Trunnion rolling roller supporting mechanism 23 comprises roller supporting seat 231, two roller support arms 232, two trunnion rolling rollers 233 and two adjustable forearms 234, roller supporting seat 231 is welded on the slide unit body 221, two roller support arms 232 arrange in pairs, roller support arm 232 is L-shaped, and roller support arm 232 1 ends are separately fixed on roller supporting seat 231 both sides.233 one-tenth splayed settings of two trunnion rolling rollers, the trunnion center line angle α of the radial symmetric centre section of the trunnion rolling roller 233 of the present embodiment and single cylinder bent axle 6 is 52 °, trunnion rolling roller 233 is hinged with adjustable forearm 234 front ends, adjustable forearm 234 rear ends and roller support arm 232 other ends are hinged, gripper shoe 235 1 ends are fixed on roller support arm 232 outsides, adjustment screw 236 1 ends pass gripper shoe 235 other ends, be resisted against on roller support arm 232 outsides, be provided with extension spring 237 between roller support arm 232 other end terminations and adjustment screw 236 other ends, Flexible Reset power after the tension of extension spring 237 provides the strength at the adjustable forearm of stable maintenance 234 angles of inclination, change the extension elongation of adjustment screw 236 1 ends, just can change the angle of inclination of adjustable forearm 234, thereby the angle of the radial symmetric centre section of change trunnion rolling roller 233 and the trunnion center line angle α of single cylinder bent axle 6 is to adapt to the radius of corner of roll extrusion different model single cylinder bent axle.
Rod journal clamping device 3 comprises that clamping oil cylinder 31, many bar cramps hold mechanism 32, two trunnion back-up blocks 33, rod journal milled head 34 and two fan plate supporting seats 36, it is hinged that the upper and lower sides of clamping oil cylinder 31 1 ends and many bar cramps are held mechanism's 32 1 ends, and many bar cramps are held mechanism's 32 other ends can one one rod journal that closes ground clamping single cylinder bent axle 6.Many bar cramps are held mechanism 32 and are comprised upper clip arm 321, lower clip arm 322, two intermediate connecting rods 323, upper grip block 324 and lower grip block 325, upper clip arm 321 rear ends, lower clip arm 322 rear ends are hinged with the upper and lower sides of clamping oil cylinder 31 1 ends respectively, the outer end of two intermediate connecting rods 323 is hinged with upper clip arm 321 middle parts and lower clip arm 322 middle parts respectively, two intermediate connecting rods 323 are inner hinged with clamping oil cylinder 31 piston rod ends, upper grip block 324 is fixed on upper clip arm 321 front ends, lower grip block 325 is fixed on lower clip arm 322 front ends, two fan plate supporting seats 36 are corresponding with bent axle fan Board position, are fixed on the base 1.The corresponding surface of upper grip block 324 downsides and rod journal 62 is the plane.
Such as Fig. 2, shown in Figure 4, rod journal milled head 4 is inlaid in many bar cramps and holds on mechanism's 32 other ends, comprise rest pad 41, two rod journal rollers 42 and guide wheel 43, two rod journal rollers 42 tilt to be inlaid in rest pad 41 both sides symmetrically, guide wheel 43 is perpendicular to base 1, be arranged on two rod journal roller 42 upsides, be bearing in by needle bearing 44 and axle 45 in the cover plate 326 of upper grip block 324 both sides, guide wheel 43 both sides of the edge contact with rod journal roller 42 outer rims respectively, rest pad 41 usefulness non-ferrous alloy materials are made, and are inlaid in grip block 324 downsides.
Such as Fig. 2, shown in Figure 5, trunnion back-up block 33 is separately fixed on the supporting seat 35, and supporting seat 35 is separately fixed at many bar cramps and holds on the base 1 of mechanism 32 both sides.Trunnion back-up block 33 and lower grip block 325 are arc with single cylinder bent axle 6 counterparts, and several rollers 331 of setting-in on the described arc, the trunnion 61 of single cylinder bent axle 6 and rod journal 62 are bearing in respectively on several corresponding rollers 331.Because the force of rolling friction of the trunnion 61 of 331 pairs of rotations of roller or rod journal 62 lines contact is less during bent axle 6 roll extrusion, avoids wear spindle cervical branch bracer 33 and lower grip block 325.
Rod journal slewing equipment 5 comprises gear-box 51, motor 52, output disk 53 and servo-actuated disk 54, motor 52 1 ends are fixed on gear-box 51 outsides, gear-box 51 bottoms are fixed on base 1 other end, gear-box 51 output shafts are fixedly connected with output disk 53, output disk 53 downsides are provided with the servo-actuated disk 54 hinged with the gear-box tank wall, and clamping oil cylinder 31 upper and lower sides are eccentric hinged with output disk 53 and servo-actuated disk 54 respectively.Because the eccentric throw L of output disk 53 and the eccentric throw L of servo-actuated disk 54 equate, output disk 53, servo-actuated disk 54 and clamping oil cylinder 31 have consisted of the double-crank structure, drive servo-actuated disk 54 rotations during output disk 53 rotation, so that clamping oil cylinder 31 seesaws up and down.
The course of work of the present utility model is as follows:
Single cylinder bent axle 6 is put into many bar cramps hold mechanism 32, two blocks of fan plates 63 of single cylinder bent axle 6 are resisted against on the fan plate supporting seat 36, the trunnion 61 at single cylinder bent axle 6 two ends is resisted against on several rollers 61 on trunnion back-up block 33 arcwall faces, on middle rod journal 62 several rollers 331 on lower grip block 325 arcwall faces.The start button of pressing maneuver box 7 starts the utility model, clamping oil cylinder 31 piston rods move right, the pin joint that spurs two intermediate connecting rod 323 the inners moves right, upper clip arm 321 and lower clip arm 322 closures, 62, two rod journal rollers 42 of rod journal that upper grip block 324 and lower grip block 325 clamp in the middle of the single cylinder bent axle 6 are pressed on the fillet at rod journal 62 two ends with certain pressure.Then trunnion roll extrusion driving oil cylinder 21 piston rods move right, promoting trunnion rolling device 2 moves to right, meanwhile, the motor 52 of rod journal slewing equipment 5 starts automatically, through several grades of deceleration transmission in the gear- box 51,53 rotations of driver output disk, drive servo-actuated disk 54 rotations by clamping oil cylinder 31, so that clamping oil cylinder 31 seesaws up and down, because the eccentric throw L of output disk 53 and the eccentric throw L of servo-actuated disk 54 equate, eccentric throw L equates with trunnion 61 and the rod journal 62 centre-to-centre spacing B of single cylinder bent axle 6, many bar cramps are held the rod journal 62 of single cylinder bent axle 6 of mechanism's 32 clampings around trunnion 61 center steerings, rod journal 62 is around the rotation of the Clamping Center of upper grip block 324 and lower grip block 325 simultaneously, because 42 pairs of rod journals 62 of two rod journal rollers have certain pressure, driving two rod journal rollers 42 by frictional drive rotates around axle center separately, also having driven the larger guide wheel 43 of rotary inertia rotates, 43 pairs of two rod journal rollers 42 with its EDGE CONTACT of guide wheel further provide rotational energy, so that rod journal roller 42 is finished the roll extrusion to rod journal 62 fillets.In like manner, because 233 pairs of trunnions 61 of two trunnion rolling rollers have certain pressure, main shaft 61 drives two trunnion rolling rollers 233 by frictional drive and rotates around axle center separately when rotate in its axle center, so that trunnion rolling roller 233 is finished the roll extrusion to trunnion 61 fillets.
Trunnion rolling device 2 drives two trunnion rolling rollers, 233 rolling crankshafts, 6 two ends trunnions 61 and the fillet of fanning plate 63 junctions, the number of revolutions of the output disk 53 of the gear-box 51 of setting according to technological requirement, thereby can adjust the roll extrusion number of turns, drive the oil-feed oil pressure of oil cylinder 21 and clamping oil cylinder 31 by adjusting the trunnion roll extrusion, can control the roll extrusion power to trunnion 61 and rod journal 62, an operation cycle just can be finished the fillet rolling everywhere of trunnion 61 and rod journal 62, reaches best roll extrusion requirement.
In addition to the implementation, the utility model can also have other embodiments, and all employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop in the protection domain of requirement of the present invention.
Claims (7)
1. single cylinder crankshaft rolling tool, it is characterized in that: comprise base, be arranged on the trunnion rolling device on base one end, be arranged on rod journal clamping device, rod journal milled head and rod journal slewing equipment on the base other end, described trunnion rolling device comprises that the trunnion roll extrusion drives oil cylinder, slide unit and trunnion rolling roller supporting mechanism, and the trunnion roll extrusion drives oil cylinder and is fixed on base one end by cylinder bracket; Slide unit comprises slide unit body, slide unit base, and the slide unit base is fixed on the base, and the slide unit body is connected with the slide unit base sliding, and the trunnion roll extrusion drives cylinder piston rod and is connected with slide unit body one end; Described trunnion rolling roller supporting mechanism comprises roller supporting seat, two roller support arms and two trunnion rolling rollers, described roller supporting seat is fixed on the slide unit body, two roller support arms arrange in pairs, be separately fixed on the roller supporting seat both sides, the trunnion rolling roller is supported on the roller support arm other end; Described rod journal clamping device comprises the clamping oil cylinder, many bar cramps are held mechanism, two trunnion back-up blocks and two fan plate supporting seats, it is hinged that the upper and lower sides of described clamping oil cylinder one end and many bar cramps are held mechanism's one end, described many bar cramps are held the rod journal that mechanism's other end can closes ground clamping single cylinder bent axle, described rod journal milled head is inlaid in many bar cramps and holds on mechanism's other end, two trunnion back-up blocks are separately fixed on the corresponding supporting seat, described supporting seat is separately fixed at many bar cramps and holds on the base of mechanism both sides, two fan plate supporting seats are corresponding with bent axle fan Board position, are fixed on the base; Described rod journal slewing equipment comprises gear-box, motor, output disk and servo-actuated disk, described motor one end is fixed on the gear-box outside, gear-box is fixed on the base other end, gearbox output shaft is fixedly connected with output disk, the output disk downside is provided with the servo-actuated disk hinged with the gear-box tank wall, and clamping oil cylinder upper and lower sides is hinged with output disk and servo-actuated disk off-centre respectively.
2. single cylinder crankshaft rolling tool as claimed in claim 1, it is characterized in that: described two trunnion rolling rollers become the splayed setting, and trunnion rolling roller and adjustable forearm front end are hinged, and described adjustable forearm rear end and the roller support arm other end are hinged; Gripper shoe one end is fixed on the roller support arm outside, and adjustment screw one end passes the gripper shoe other end, is resisted against on the roller support arm outside, is provided with extension spring between roller support arm other end termination and the adjustment screw other end.
3. single cylinder crankshaft rolling tool as claimed in claim 1, it is characterized in that: described many bar cramps are held mechanism and are comprised upper clip arm, lower clip arm, two intermediate connecting rods, upper grip block and lower grip blocks, upper clip arm rear end, lower clip arm rear end are hinged with clamping oil cylinder one end upper and lower sides respectively, two intermediate connecting rod outer ends are hinged with upper clip arm middle part and lower clip arm middle part respectively, two intermediate connecting rods are inner hinged with clamping cylinder piston rod termination, upper grip block is fixed on the front end of upper clip arm, and lower grip block is fixed on the front end of lower clip arm.
4. single cylinder crankshaft rolling tool as claimed in claim 3 is characterized in that: the corresponding surface of upper grip block downside and rod journal is the plane.
5. single cylinder crankshaft rolling tool as claimed in claim 1, it is characterized in that: described rod journal milled head comprises rest pad, two rod journal rollers and guide wheel, described two rod journal rollers tilt to be inlaid in the rest pad both sides symmetrically, described guide wheel is positioned at two rod journal roller upsides, be bearing in by bearing and axle in the cover plate of upper grip block both sides, the guide wheel both sides of the edge contact with rod journal roller outer rim respectively, and described rest pad is inlaid in the grip block downside.
6. single cylinder crankshaft rolling tool as claimed in claim 1, it is characterized in that: described a pair of trunnion back-up block and lower grip block and single cylinder bent axle counterpart are arc, several rollers of setting-in on the described arc, the trunnion of single cylinder bent axle and rod journal are bearing in respectively on several corresponding rollers.
7. single cylinder crankshaft rolling tool as claimed in claim 1 is characterized in that: the eccentric throw of described output disk eccentric throw and servo-actuated disk equates, described eccentric throw equates with the trunnion of single cylinder bent axle and the centre-to-centre spacing of rod journal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220404186 CN202763384U (en) | 2012-08-16 | 2012-08-16 | Single cylinder crankshaft rolling machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220404186 CN202763384U (en) | 2012-08-16 | 2012-08-16 | Single cylinder crankshaft rolling machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202763384U true CN202763384U (en) | 2013-03-06 |
Family
ID=47769983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220404186 Expired - Fee Related CN202763384U (en) | 2012-08-16 | 2012-08-16 | Single cylinder crankshaft rolling machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202763384U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814363A (en) * | 2019-09-05 | 2020-02-21 | 中国石油化工集团有限公司 | Method for processing crankshaft anisotropic multi-arc-surface balance fan plate |
| CN113146143A (en) * | 2021-04-15 | 2021-07-23 | 山东理工大学 | Crankshaft fillet rolling device |
-
2012
- 2012-08-16 CN CN 201220404186 patent/CN202763384U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110814363A (en) * | 2019-09-05 | 2020-02-21 | 中国石油化工集团有限公司 | Method for processing crankshaft anisotropic multi-arc-surface balance fan plate |
| CN110814363B (en) * | 2019-09-05 | 2022-02-25 | 中国石油化工集团有限公司 | Method for processing crankshaft balance fan plate |
| CN113146143A (en) * | 2021-04-15 | 2021-07-23 | 山东理工大学 | Crankshaft fillet rolling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130306 Termination date: 20160816 |
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| CF01 | Termination of patent right due to non-payment of annual fee |