CN206839681U - V-type engine cylinder deck milling automatic turning device - Google Patents
V-type engine cylinder deck milling automatic turning device Download PDFInfo
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- CN206839681U CN206839681U CN201720723216.XU CN201720723216U CN206839681U CN 206839681 U CN206839681 U CN 206839681U CN 201720723216 U CN201720723216 U CN 201720723216U CN 206839681 U CN206839681 U CN 206839681U
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Abstract
A kind of V-type engine cylinder deck milling automatic turning device is the utility model is related to, belongs to mechanical manufacturing field.Including by cylinder body positioning clamp unit, turning device, clamp body.Cylinder body positioning clamp unit is fixed on roll-over table, 30 ° of upset of turning device driving roll-over table or so, and roll-over table is stably held in horizontal level.Turning device be fixedly mounted on it is folded particularly.Advantage is：Compact overall structure, surely move, safe to use, reliable, rigidity is good, can avoid the jitter problem in process.Using pneumatic pinch mode, clamping efficiency is improved.Clamped one time, improve V-type engine cylinder deck Milling Process efficiency and machining accuracy.Production efficiency is improved, reduces labor cost.
Description
Technical field
Mechanical manufacturing field is the utility model is related to, more particularly to a kind of frock of V-type engine cylinder deck milling, especially
Refer to a kind of V-type engine cylinder deck milling automatic turning device.
Background technology
The normal angle of two planes of V-type engine cylinder deck is 60 °, and the plane of top surface must be allowed during milling to be in level
Position, this require frock clamp can left and right upset 30 °.In the prior art, the frock of milling straight engine cylinder deck
Fixture is relatively common, also there is the device of milling V-type engine cylinder body, but is all to need clamping twice, and position error is big, time-consuming to take
Power, processing efficiency is influenceed, be not suitable for the needs of modern production.Urgently improve.
The content of the invention
The purpose of this utility model is to provide a kind of V-type engine cylinder deck milling automatic turning device, once filled
Folder, solves the problems such as V-type engine cylinder deck Milling Process efficiency is low, machining accuracy is poor.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions：
V-type engine cylinder deck milling automatic turning device, including cylinder body positioning clamp unit 2, turning device 3, folder
Specific 4, the cylinder body positioning clamp unit 2 is fixed on roll-over table 221, and the turning device 3 drives roll-over table 221 or so to turn over
Turn 30 °, and roll-over table 221 is stably held in horizontal level；The turning device 3 is fixedly mounted on the clamp body 4.
Described cylinder body positioning clamp unit 2 is：Cylinder body 1 is on roll-over table 221 using the one side location-plate of one alignment pin one
Mode position, the end face of cylinder body 1 nestles up location-plate 201, and the hole of the cylinder body 1 and alignment pin 202 are engaged, described
Location-plate 201 and the alignment pin 202 are fixedly connected on the upper surface of roll-over table 221；The both sides of cylinder body 1 are separately installed with clamping
Cylinder A206, clamping cylinder B207, clamping cylinder C208, clamping cylinder D209, it is end face install compact type cylinder A203, compact
Type cylinder B205, clamping cylinder A ~ D, compact cylinder A, B are arranged on the roll-over table 221；Clamping cylinder A ~ D is carried
Top is hemispheric joint, is a contact when clamping cylinder body；The front and back end of cylinder body 1 is separately installed with crossbeam left bracket 215
With right support of cross beam 217, the crossbeam left bracket 215 is fixed on roll-over table 221 by preceding mounting blocks 211 and rear mounting blocks 216
On, the right support of cross beam 217 is fixed on roll-over table by mounting blocks A219, and crossbeam 213 passes through preceding hornblock 212, rear hornblock
214th, hornblock 204 is fixed on the upper surface of the crossbeam left bracket 215 and the right support of cross beam 217；Long stroke clamping cylinder
220 are arranged on the side of the crossbeam 213, and it is hemispheric joint that the long stroke clamping cylinder 220, which is connected with top, is used for
Axial grip cylinder 1；Preceding feeler block 210 and rear feeler block 218 are separately mounted to the front and back end of the right support of cross beam 217, use
To knife when carrying out milling；Cylinder body positioning clamp unit 2 is on roll-over table 221, as roll-over table 221 moves.
Described turning device 3 is：Servomotor 302 is arranged on fixture by motor base 301 and motor fixing plate 303
On body 4, the servomotor 302 and the key connection of electrical machine belt pulley 304, front end and the key connection of shaft pulley 306 of short axle 311, and
By the axial restraint of belt wheel nut 307, belt 305 is arranged between two shaft pulley；The front end of short axle 311 is provided with zanjon
Ball bearing A314, deep groove ball bearing A314 one end are fixed by axle sleeve A315 axially positions, and the other end is fixed by end cap A312,
The end cap A312 is fixed on bearing A308 by pad A313 and screw, and the another sides of axle sleeve A 315 are provided with small tooth
Wheel 309, the little gear is linked together by key A 319 and short axle 311, and the rear end of short axle 311 is provided with deep-groove ball axle
B316 is held, deep groove ball bearing B316 one end is positioned by between centers, and the other end is fixed by end cap B 318, the end cap B 318
It is installed together by pad B 317 and bearing B 310；Major axis 326 is arranged on bearing A308 and bearing C320, the major axis
Front end is provided with deep groove ball bearing C324, and deep groove ball bearing C324 one end is fixed by end cap C322, the end cap C322 and branch
With mode connects for screw together, there is pad C 323 centre to seat A308, and the other ends of deep groove ball bearing C 324 pass through axle sleeve B 325
Positioning, the opposite sides of axle sleeve B 325 are provided with gear wheel 321, and the gear wheel is connected on major axis 326 by key B 331,
Roll-over table 221 is arranged on one piece by key C332 and major axis 326, and the rear end of the major axis is provided with deep groove ball bearing D328, institute
State the one end of deep groove ball bearing D 328 to position by axle sleeve C327, the other end is fixed by end cap D330, the end cap D330 and branch
There is pad D329 between seat C320；Pusher cylinder 338 is fixed on clamp body 4 by mounting blocks B339, mounting blocks C340, described
The front end of pusher cylinder 338 is connected with floating junction 337, and the front end of floating junction 337 is connected with catch bar 335, the promotion
Bar 335 moves forward and backward in the hole of support 336；Servomotor 302 drives belt 305 to move, and short axle 311 is driven by gear to be grown
Axle 326 moves, and major axis 326 drives roll-over table 221 or so to overturn；When roll-over table 221 horizontal level, toward 30 ° of positions of anticlockwise,
During toward 30 ° of positions of right rotation, pusher cylinder 338 promotes catch bar 335 to be moved along until catch bar front end circular cone and upset
Bellmouth on platform 221 is engaged, and at this moment the can of roll-over table 221 is fixed in these three positions.
Described clamp body 4 is：When roll-over table 221 is turned to left and right 30 ° of positions, pass through the left locating piece 334 of roll-over table
Locating piece 333 right with roll-over table positions.
The beneficial effects of the utility model are：The normal angle of two planes of V-type engine cylinder deck is 60 °, milling
The plane of top surface must be allowed to be in horizontal position when cutting, this requires frock clamp can 30 ° of left and right upset.In the prior art, work
Clamps need clamping twice, and position error is big, wastes time and energy, and influences processing efficiency, are not suitable for the needs of modern production.This
Utility model drives short axle to rotate by V belt translation, then drives major axis to rotate by gear drive, and major axis drives roll-over table or so
30 ° are rotated, roll-over table is played the role of positioning with two locating pieces on clamp body, then the position of roll-over table is fixed with catch bar.
Clamped one time, improve V-type engine cylinder deck Milling Process efficiency and machining accuracy.Production efficiency is improved, reduces labour
Cost.Compact overall structure, surely move, safe to use, reliable, rigidity is good, can avoid the jitter problem in process.Using
Pneumatic pinch mode, improve clamping efficiency.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Illustrative example of the present utility model and its illustrate be used for explain the utility model, do not form to improper limit of the present utility model
It is fixed.
Fig. 1 is dimensional structure diagram of the present utility model；
Fig. 2 is the top view of cylinder body positioning clamp unit of the present utility model；
Fig. 3 is the dimensional structure diagram of cylinder body positioning clamp unit of the present utility model；
Fig. 4 is turning device top view of the present utility model；
Fig. 5 is short axle dimensional structure diagram of the present utility model；
Fig. 6 is Fig. 5 A-A sectional views；
Fig. 7 is major axis dimensional structure diagram of the present utility model；
Fig. 8 is Fig. 7 B-B sectional views；
Fig. 9 is roll-over table fixed mechanism dimensional structure diagram of the present utility model；
Figure 10 is the dimensional structure diagram of clamp body of the present utility model.
In figure：1st, cylinder body；2nd, cylinder body positioning clamp unit；201st, location-plate；202nd, alignment pin；203rd, compact cylinder A；
204th, hornblock；205th, compact cylinder B；206th, clamping cylinder A；207th, clamping cylinder B；208th, clamping cylinder C；209th, gas is clamped
Cylinder D；210th, preceding feeler block；211st, preceding mounting blocks；212nd, preceding hornblock；213rd, crossbeam；214th, rear hornblock；215th, crossbeam left bracket；
216th, rear mounting blocks；217th, right support of cross beam；218th, rear feeler block；219th, mounting blocks A；220th, long stroke clamping cylinder；221、
Roll-over table；3rd, turning device；301st, motor base；302nd, servomotor；303rd, motor fixing plate；304th, electrical machine belt pulley；305、
Belt；306th, shaft pulley；307th, belt wheel nut；308th, bearing A；309th, little gear；310th, bearing B；311st, short axle；312nd, end cap
A；313rd, pad A；314th, deep groove ball bearing A；315th, axle sleeve A；316th, deep groove ball bearing B；317th, pad B；318th, end cap B；
319th, key A；320th, bearing C；321st, gear wheel；322nd, end cap C；323rd, pad C；324th, deep groove ball bearing C；325th, axle sleeve B；
326th, major axis；327th, axle sleeve C；328th, deep groove ball bearing D；329th, pad D；330th, end cap D；331st, key B；332nd, key C；333rd, turn over
The right locating piece of turntable；334th, the left locating piece of roll-over table；335th, catch bar；336th, support；337th, floating junction；338th, gas is promoted
Cylinder；339th, mounting blocks B；340th, mounting blocks C；4th, clamp body.
Embodiment
Detailed content and its embodiment of the present utility model are further illustrated below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 to Figure 10, V-type engine cylinder deck milling automatic turning device of the present utility model, including
Cylinder body positioning clamp unit 2, turning device 3, clamp body 4, the cylinder body positioning clamp unit 2 are fixed on roll-over table 221, institute
Stating turning device 3 drives roll-over table 221 or so to overturn 30 °, and roll-over table 221 is stably held in horizontal level；It is described to turn over
Rotary device 3 is fixedly mounted on the clamp body 4.
Referring to shown in Fig. 2 to 3, described cylinder body positioning clamp unit 2 is：Cylinder body 1 is on roll-over table 221 using one side one
The mode of the location-plate of alignment pin one positions, and the end face of cylinder body 1 nestles up location-plate 201, the hole of the cylinder body 1 and alignment pin
202 are engaged, and the location-plate 201 and the alignment pin 202 are fixedly connected on the upper surface of roll-over table 221；The both sides of cylinder body 1
It is separately installed with clamping cylinder A206, clamping cylinder B207, clamping cylinder C208, clamping cylinder D209, end face install compact
Type cylinder A203, compact cylinder B205, clamping cylinder A ~ D, compact cylinder A, B are arranged on the roll-over table 221；Folder
Tight cylinder A ~ D is hemispheric joint with top, is a contact when clamping cylinder body；Install respectively the front and back end of cylinder body 1
There are crossbeam left bracket 215 and right support of cross beam 217, the crossbeam left bracket 215 passes through preceding mounting blocks 211 and rear mounting blocks 216
It is fixed on roll-over table 221, the right support of cross beam 217 is fixed on roll-over table by mounting blocks A219, and crossbeam 213 is by preceding
Hornblock 212, rear hornblock 214, hornblock 204 are fixed on the upper surface of the crossbeam left bracket 215 and the right support of cross beam 217；
Long stroke clamping cylinder 220 is arranged on the side of the crossbeam 213, and it is half that the long stroke clamping cylinder 220, which is connected with top,
Spherical joint, for axial grip cylinder 1；Preceding feeler block 210 and rear feeler block 218 are separately mounted to the right support of cross beam
217 front and back end, for during milling to knife；Cylinder body positioning clamp unit 2 is on roll-over table 221, as roll-over table 221 moves.
Referring to shown in Fig. 4 to 9, described turning device 3 is：Servomotor 302 is fixed by motor base 301 and motor
Plate 303 is arranged on clamp body 4, the servomotor 302 and the key connection of electrical machine belt pulley 304, front end and the axle band of short axle 311
306 key connections are taken turns, and are arranged on by the axial restraint of belt wheel nut 307, belt 305 between two shaft pulley；The short axle
311 front ends are provided with deep groove ball bearing A314, and deep groove ball bearing A314 one end is fixed by axle sleeve A315 axially positions, the other end
Fixed by end cap A312, the end cap A312 is fixed on bearing A308 by pad A313 and screw, the axle sleeve A 315
Another side is provided with little gear 309, and the little gear is linked together by key A 319 and short axle 311, after the short axle 311
End is provided with deep groove ball bearing B316, and deep groove ball bearing B316 one end is positioned by between centers, and the other end is solid by end cap B 318
Fixed, the end cap B 318 is installed together by pad B 317 and bearing B 310；Major axis 326 is arranged on bearing A308 and branch
On seat C320, the major axis front end is provided with deep groove ball bearing C324, and deep groove ball bearing C324 one end is fixed by end cap C322,
Together with the end cap C322 and bearing A308 mode connects for screw, there is a pad C 323 centre, and the deep groove ball bearing C 324 is another
One end is positioned by axle sleeve B 325, and the opposite sides of axle sleeve B 325 are provided with gear wheel 321, and the gear wheel passes through key B
331 are connected on major axis 326, and roll-over table 221 is arranged on one piece by key C332 and major axis 326, and the rear end of the major axis is installed
There is deep groove ball bearing D328, described one end of deep groove ball bearing D 328 is positioned by axle sleeve C327, and the other end is consolidated by end cap D330
It is fixed, there is pad D329 between the end cap D330 and bearing C320；Pusher cylinder 338 passes through mounting blocks B339, mounting blocks C340
It is fixed on clamp body 4, the front end of pusher cylinder 338 is connected with floating junction 337, the front end of floating junction 337 connection
There is catch bar 335, the catch bar 335 moves forward and backward in the hole of support 336；Servomotor 302 drives belt 305 to move,
Short axle 311 drives major axis 326 to move by gear, and major axis 326 drives roll-over table 221 or so to overturn；When roll-over table 221 is in level
When position, past 30 ° of positions of anticlockwise, past 30 ° of positions of right rotation, pusher cylinder 338 promotes catch bar 335 to be moved along until pushing away
Lever front end circular cone is engaged with the bellmouth on roll-over table 221, and at this moment the can of roll-over table 221 is consolidated in these three positions
It is fixed.
Shown in Figure 10, described clamp body 4 is：When roll-over table 221 is turned to the 30 ° of positions in left and right, roll-over table is left
Locating piece 334 and the right locating piece 333 of roll-over table play a part of positioning to roll-over table 221.
Referring to shown in Fig. 1 to Figure 10, the course of work of the present utility model is as follows：
The front end circular cone of catch bar 335 and the middle bellmouth of roll-over table 221 are engaged, and roll-over table 221 is in water
Prosposition is put, and manually cylinder body is placed on frock clamp.Switch on power, make whole equipment normal operation, cylinder body will be positioned folder
Tightly live.The retraction of catch bar 335, servomotor 302 rotate forward, and drive belt 305 to move, and belt 305 drives short axle 311 to rotate, short
Axle 311 drives major axis 326 to move by gear, and the can of major axis 326 allows roll-over table 221 to overturn 30 ° to the left, the left positioning of roll-over table
The position of the positioning turning platform 221 of block 334, now catch bar 335 protract, the circular cone of catch bar front end is low with roll-over table 221
End toper hole is engaged, and fixes roll-over table.The top surface milling face of cylinder body is at horizontal level, and milling cutter carries out milling to cylinder body
Cut processing.After processing, the retraction of catch bar 335, servomotor 302 inverts.Belt 305 is driven to move, belt 305 drives short axle
311 rotate, short axle 311 by gear drive major axis 326 move, the can of major axis 326 allow roll-over table 221 turn right upset until to
30 ° of positions of right bank.Now catch bar 335 protracts, and the circular cone of catch bar front end matches with the upper end bellmouth of roll-over table 221
Close, fix roll-over table.Milling cutter carries out Milling Process to another face of cylinder deck.The milling of so whole cylinder deck
Processing just completes.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for ability
For the technical staff in domain, the utility model can have various modifications and variations.All any modifications made to the utility model,
Equivalent substitution, improvement etc., should be included within the scope of protection of the utility model.
Claims (4)
- A kind of 1. V-type engine cylinder deck milling automatic turning device, it is characterised in that：Including cylinder body positioning clamp unit （2）, turning device（3）, clamp body（4）, the cylinder body positioning clamp unit（2）It is fixed on roll-over table（221）On, the upset Device（3）Drive roll-over table（221）Left and right overturns 30 °, and makes roll-over table（221）It is stably held in horizontal level；It is described to turn over Rotary device（3）It is fixedly mounted on the clamp body（4）On.
- 2. V-type engine cylinder deck milling automatic turning device according to claim 1, it is characterised in that：Described Cylinder body positioning clamp unit（2）It is：Cylinder body（1）In roll-over table（221）It is upper to be determined by the way of the one side location-plate of one alignment pin one Position, the cylinder body（1）End face nestles up location-plate（201）, the cylinder body（1）Hole and alignment pin（202）It is engaged, it is described Location-plate（201）With the alignment pin（202）It is fixedly connected on roll-over table（221）Upper surface；The cylinder body（1）Pacify respectively both sides Equipped with clamping cylinder A（206）, clamping cylinder B（207）, clamping cylinder C（208）, clamping cylinder D（209）, end face installation is tightly Gather type cylinder A（203）, compact cylinder B（205）, clamping cylinder A ~ D, compact cylinder A, B are arranged on the roll-over table （221）On；Clamping cylinder A ~ D is hemispheric joint with top, is a contact when clamping cylinder body；The cylinder body（1）Before Rear end is separately installed with crossbeam left bracket（215）And right support of cross beam（217）, the crossbeam left bracket（215）Pass through preceding installation Block（211）With rear mounting blocks（216）It is fixed on roll-over table（221）On, the right support of cross beam（217）Pass through mounting blocks A（219） It is fixed on roll-over table, crossbeam（213）Pass through preceding hornblock（212）, rear hornblock（214）, hornblock（204）It is left to be fixed on the crossbeam Support（215）With the right support of cross beam（217）Upper surface；Long stroke clamping cylinder（220）Installed in the crossbeam（213） Side, the long stroke clamping cylinder（220）It is hemispheric joint to be connected with top, for axial grip cylinder body（1）；Before Feeler block（210）With rear feeler block（218）It is separately mounted to the right support of cross beam（217）Front and back end, for during milling pairs Knife；Cylinder body positioning clamp unit（2）In roll-over table（221）On, with roll-over table（221）Motion.
- 3. V-type engine cylinder deck milling automatic turning device according to claim 1, it is characterised in that：Described Turning device（3）It is：Servomotor（302）Pass through motor base（301）And motor fixing plate（303）Installed in clamp body（4） On, the servomotor（302）With electrical machine belt pulley（304）Key connection, short axle（311）Front end and shaft pulley（306）Key connection, And pass through belt wheel nut（307）Axial restraint, belt（305）Between two shaft pulley；The short axle（311）Pacify front end Equipped with deep groove ball bearing A（314）, deep groove ball bearing A（314）One end passes through axle sleeve A（315）Axially position is fixed, and the other end leads to Cross end cap A（312）It is fixed, the end cap A（312）Pass through pad A（313）Bearing A is fixed on screw（308）On, the axle Cover A（315）Another side is provided with little gear（309）, the little gear passes through key A（319）With short axle（311）It is connected to one Rise, the short axle（311）Rear end is provided with deep groove ball bearing B（316）, deep groove ball bearing B（316）One end is positioned by between centers, The other end passes through end cap B（318）It is fixed, the end cap B（318）Pass through pad B（317）With bearing B（310）Installed in one Rise；Major axis（326）Installed in bearing A（308）With bearing C（320）On, the major axis front end is provided with deep groove ball bearing C （324）, deep groove ball bearing C（324）One end passes through end cap C（322）It is fixed, the end cap C（322）With bearing A（308）Use screw Link together, there is pad C centre（323）, the deep groove ball bearing C（324）The other end passes through axle sleeve B（325）Positioning, The axle sleeve B（325）Opposite side is provided with gear wheel（321）, the gear wheel passes through key B（331）It is connected to major axis（326） On, roll-over table（221）Pass through key C（332）And major axis（326）Installed in one piece, the rear end of the major axis is provided with deep-groove ball axle Hold D（328）, the deep groove ball bearing D（328）One end passes through axle sleeve C（327）Positioning, the other end pass through end cap D（330）Gu It is fixed, the end cap D（330）With bearing C（320）Between have pad D（329）；Pusher cylinder（338）Pass through mounting blocks B（339）、 Mounting blocks C（340）It is fixed on clamp body（4）On, the pusher cylinder（338）Front end is connected with floating junction（337）, it is described floating Dynamic joint（337）Front end is connected with catch bar（335）, the catch bar（335）In support（336）Hole in move forward and backward；Watch Take motor（302）Drive belt（305）Motion, short axle（311）Major axis is driven by gear（326）Motion, major axis（326）Drive Roll-over table（221）Left and right is overturn；Work as roll-over table（221）In horizontal level, past 30 ° of positions of anticlockwise, past 30 ° of positions of right rotation When, pusher cylinder（338）Promote catch bar（335）It is moved along until catch bar front end circular cone and roll-over table（221）On Bellmouth is engaged, at this moment roll-over table（221）Can is fixed in these three positions.
- 4. V-type engine cylinder deck milling automatic turning device according to claim 1, it is characterised in that：Described Clamp body（4）It is：In roll-over table（221）When being turned to left and right 30 ° of positions, pass through the left locating piece of roll-over table（334）And roll-over table Right locating piece（333）Positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720723216.XU CN206839681U (en) | 2017-06-21 | 2017-06-21 | V-type engine cylinder deck milling automatic turning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720723216.XU CN206839681U (en) | 2017-06-21 | 2017-06-21 | V-type engine cylinder deck milling automatic turning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206839681U true CN206839681U (en) | 2018-01-05 |
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ID=60801538
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720723216.XU Active CN206839681U (en) | 2017-06-21 | 2017-06-21 | V-type engine cylinder deck milling automatic turning device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020532A (en) * | 2017-06-21 | 2017-08-08 | 吉林大学 | V-type engine cylinder deck milling automatic turning device |
| CN108581480A (en) * | 2018-07-24 | 2018-09-28 | 荆门优德科技有限公司 | A kind of grinding and sawing special purpose workstation for the left and right chassis of ES8 |
| CN110076597A (en) * | 2019-05-24 | 2019-08-02 | 芜湖永裕汽车工业股份有限公司 | Engine cylinder cap oil sealing hole and camshaft hole fixture for processing and processing method |
-
2017
- 2017-06-21 CN CN201720723216.XU patent/CN206839681U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107020532A (en) * | 2017-06-21 | 2017-08-08 | 吉林大学 | V-type engine cylinder deck milling automatic turning device |
| CN108581480A (en) * | 2018-07-24 | 2018-09-28 | 荆门优德科技有限公司 | A kind of grinding and sawing special purpose workstation for the left and right chassis of ES8 |
| CN108581480B (en) * | 2018-07-24 | 2024-03-26 | 荆门优德科技有限公司 | Special workstation for grinding and sawing of left and right underframe of ES8 |
| CN110076597A (en) * | 2019-05-24 | 2019-08-02 | 芜湖永裕汽车工业股份有限公司 | Engine cylinder cap oil sealing hole and camshaft hole fixture for processing and processing method |
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