CN108857529A - Feed lathe transmission system - Google Patents
Feed lathe transmission system Download PDFInfo
- Publication number
- CN108857529A CN108857529A CN201810757089.4A CN201810757089A CN108857529A CN 108857529 A CN108857529 A CN 108857529A CN 201810757089 A CN201810757089 A CN 201810757089A CN 108857529 A CN108857529 A CN 108857529A
- Authority
- CN
- China
- Prior art keywords
- transmission system
- feed box
- transmission
- main shaft
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 73
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 230000008859 change Effects 0.000 claims abstract description 21
- 230000033001 locomotion Effects 0.000 description 26
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/32—Feeding working-spindles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turning (AREA)
Abstract
The invention discloses a feed lathe transmission system which comprises a motor, wherein the motor is connected with a motor control unit, the motor control unit is connected with a master control center, the motor is also connected with a main shaft transmission mechanism, the main shaft transmission mechanism is connected with a change gear, the change gear is connected with a feed box, the feed box is respectively connected with a lead screw and a polished rod, the polished rod is connected with a transmission structure, and the transmission mechanism is connected with a tool rest. The invention has high processing precision and low noise, can realize wireless uploading of data, and is convenient for a user to inquire lathe processing data through a cloud.
Description
Technical field
The present invention relates to technical fields of mechanical processing, more specifically, it relates to a kind of feeding lathe transmission system.
Background technique
In lathe process, lathe feeding power train is used to realize the feed motion and synkinesia of lathe, feed motion
Feed motion transmission chain is the transmission chain for making knife rest realize vertical or horizontal movement.The power resources of feed motion are also main electronic
Machine, movement reach knife rest through main motion transmission chain, main shaft, feed motion transmission chain by motor, and family name's knife rest is realized with lathe tool
Motor-driven length feed, traverse feed or cutted thread.In the prior art, existing lathe transmission system carry out in use,
A large amount of scrap would generally be generated, however the scrap is easy to disperse everywhere, is not only not easy to the cleaning of personnel, but also easy pair
Protection door-plate is collided, and then causes to protect door-plate damage, meanwhile, in process, precision is not high, and process data cannot
It realizes wireless upload, in process of production, causes many inconvenience.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of feeding lathe transmission system, processing
Precision is high, low noise, and can be realized the wireless upload of data, inquires lathe process data by cloud convenient for user.
To achieve the above object, the present invention provides following technical solutions：
A kind of feeding lathe transmission system, including motor, wherein the motor is connected with motor control unit, it is described
Motor control unit is connected with overall control center, and the motor is also connected with spindle drive, and the spindle drive connects
It is connected to change gear, the change gear is connected with feed box, and the feed box is connected separately with lead screw and polished rod, and the polished rod is connected with biography
Defeated structure, the transmission mechanism are connected with knife rest.
By using above-mentioned technical proposal, the present invention can make machine tooling go out various rotary surfaces, make cutter and workpiece
Between perform relative motion, with obtain needed for cutting speed.In a further embodiment, movement from main shaft by change gear pass into
To case, the movement spread out of from feed box a, drive line is to drive feed box gear through lead screw, transports knife rest longitudinally
Dynamic, this is the drive path of cutted thread；An other drive line is by a series of transmissions in polished rod and transmission mechanism
Mechanism, band movable knife rack make length feed movement and in-movement.
Further, the spindle drive includes steering mechanism, and the steering mechanism is connected with main speed-changing mechanism, institute
It states main speed-changing mechanism and is connected with main shaft, the main shaft is connected with Jiang Zhen mechanism.
By using above-mentioned technical proposal, steering mechanism turns to spindle drive, and main speed-changing mechanism makes main shaft
Speed change, Jiang Zhen mechanism make main shaft during the motion, reduce vibration, noise-decreasing.
Further, the vibrating sensor that the Jiang Zhen mechanism is provided with damper and connect with the damper.
By using above-mentioned technical proposal, the vibration information of damper can be transmitted to main control unit by vibrating sensor.
Further, the conversion that the feed box includes feed box gear, connect with the feed box gear
Mechanism and feed box double group, and it includes that feed box doubles a group operating mechanism that the feed box, which doubles group,.
By using above-mentioned technical proposal, the processing of different screw threads can be realized.
Further, the transmission mechanism includes transmission mechanism, rotating mechanism and nut, wherein the transmission mechanism and institute
Polished rod connection is stated, the lead screw is connected with nut.
By using above-mentioned technical proposal, main shaft information can be transmitted to knife rest.
Further, the transmission ratio of the transmission mechanism is：1,And
By using above-mentioned technical proposal, transmission mechanism can be realized a variety of different revolving speeds.
Further, the precision of the main shaft is 0.001mm-0.002mm.
By using above-mentioned technical proposal, main shaft precision is substantially increased.
Further, the motor control unit is communicated by way of wireless telecommunications with overall control center.
By using above-mentioned technical proposal, motor control unit can be wirelessly controlled by overall control center, the company of avoiding
The interference of link.
Further, clutch is provided between the main shaft and the change gear.
By using above-mentioned technical proposal, clutch can be used to convert drive path
Further, the transmission mechanism is provided with transmission mechanism operating mechanism.
By using above-mentioned technical proposal, transmission mechanism operating mechanism being capable of control rod transmission gear.
Detailed description of the invention
Fig. 1 is the general structure schematic diagram of feeding lathe transmission system provided by the invention；
Fig. 2 is the perspective view that feed box organizes operating mechanism substantially；
The structural schematic diagram for the operating mechanism that Fig. 3 is lead screw, feed rod is driven；
The case where Fig. 4 is when connecting power feed schematic diagram；
In figure：1, gear；2, shifting block；3, the first lever；4, it sells；5, fixing axle；6, handwheel；7, briquetting；A, the first hole；b,
Second hole；C, the second annular groove；D, third annular groove, E, first annular slot；9, screw；10, sliding block；11, shift fork；12, gear；
13, the second lever；14, third lever.
Specific embodiment
Embodiment：
Below in conjunction with attached drawing 1-4, invention is further described in detail.
A kind of feeding lathe transmission system, as shown in Figure 1, including motor, wherein the motor is connected with motor control
Unit processed, the motor control unit are connected with overall control center, and the motor is also connected with spindle drive, the main shaft
Transmission mechanism is connected with change gear, and the change gear is connected with feed box, and the feed box is connected separately with lead screw and polished rod, the light
Bar is connected with transmission structure, and the transmission mechanism is connected with knife rest.The present invention can make machine tooling go out various rotary surfaces, make
It is performed relative motion between cutter and workpiece, to obtain required cutting speed.In a further embodiment, movement is passed through from main shaft
Change gear passes to feed box, and the movement spread out of from feed box a, drive line is to drive feed box gear through lead screw, makes knife
Frame longitudinal movement, this is the drive path of cutted thread；An other drive line is by one in polished rod and transmission mechanism
Series of drive mechanism, band movable knife rack make length feed movement and in-movement.
In further embodiment of the present invention, the spindle drive includes steering mechanism, and the steering mechanism connects
It is connected to main speed-changing mechanism, the main speed-changing mechanism is connected with main shaft, and the main shaft is connected with Jiang Zhen mechanism.In specific embodiment
In, steering mechanism turns to spindle drive, and main speed-changing mechanism makes main shaft speed change, and Jiang Zhen mechanism is moving main shaft
In the process, vibration, noise-decreasing are reduced.
In further embodiment of the present invention, the Jiang Zhen mechanism is provided with damper and connect with the damper
Vibrating sensor.The vibration information of damper can be transmitted to main control unit by vibrating sensor.In machine tooling, lathe
Vibration is not only very big on the influence of workpieces processing quality, so that workpiece to be machined is generated chatter mark, surface quality decline, but also make bearing
Abrasion, the micro- sword of grinding wheel are damaged, it is therefore desirable to eliminate spindle vibration, include mass block and spring system, quality in damper
Block is moved along spring system, can effectively change the rigidity of damper.In the specific implementation, with amplitude be 16.6N just
String power can improve 40% or more as exciting force, effectiveness in vibration suppression, greatly improve main shaft running accuracy.
In further embodiment of the present invention, the feed box includes that feed box gear and the feed box become
The switching mechanism of fast mechanism connection and feed box double group, and it includes that feed box doubles a group manipulation machine that the feed box, which doubles group,
Structure.
As depicted in figs. 1 and 2, four balladeur trains organized substantially are stirred by four shifting blocks 2 respectively.The position of each shifting block
Set is controlled respectively by lever 3 by respective pin 4.Four pins 4 are evenly distributed in the annular groove at 6 back side of hand wheel
In E, there are two 45 ° of the first hole a and the second hole b in interval in annular groove, the briquetting 7 and 7 with inclined-plane is installed respectively in hole/,
The inclined-plane of middle briquetting 7 is oblique outward, briquetting 7/Inclined-plane it is oblique inwards.This operating mechanism is exactly to utilize briquetting 7 and 7/, it is first annular
Slot E, pin 4 and lever 3 can have three kinds of left, center, right position using each shifting block 2 and its balladeur train.Within the same time
There can only be a pair of of gear to engage in basic group.Handwheel 6 has eight uniformly distributed positions in circumferencial direction, when it is in such as 1 institute of Fig. 3-
When showing position, the only pin 4 of upper left angle lever/In briquetting 7/Under the action of lean against on the inner sidewall of hole b, excess-three pin is all
In annular groove E, corresponding balladeur train is all in respective centre (neutral gear) position.
When if necessary to change the transmission ratio organized substantially, first handwheel 6 is pulled outwardly, at this moment the front end of screw 9 is along fixing axle 5
Axial groove be moved in the second annular groove c in shaft end portion, carry out speed change can be freely rotated in handwheel 6.At this moment pin 4 is also
A bit of to be retained in first annular slot E and the second hole b, when rotating handwheel 6, pin 4 is just along first annular slot E's and the second hole b
Inner wall sliding, the circumferential position of handwheel 6 can by being observed in the notch of fixed ring, after handwheel goes to required position, such as from
Position shown in Fig. 4 turns over 45o (the at this moment pin 4 of hole a positive alignment upper left angle lever counterclockwise/), handwheel is pushed into again, at this moment
The slope driving pin 4 of briquetting 7 in one hole a/Outward, it swings upper left angle lever clockwise, just will then slide accordingly
Moving gear pushes right end (before lathe) to and is meshed with the gear on axis.Screw 9 is the axial direction positioning device of handwheel 6.
By using aforesaid way, the processing of different screw threads can be realized.
In further embodiment of the present invention, the transmission mechanism includes transmission mechanism, rotating mechanism and nut, wherein
The transmission mechanism is connect with the polished rod, and the lead screw is connected with nut.Main shaft information can be transmitted to knife rest.
In further embodiment of the present invention, the transmission ratio of the transmission mechanism is：1, AndTransmission mechanism energy
Enough realize a variety of different revolving speeds.
In further embodiment of the present invention, the precision of the main shaft is 0.001 mm-0.002mm, is substantially increased
Main shaft precision.
In further embodiment of the present invention, the motor control unit is by way of wireless telecommunications and overall control center
It is communicated.Motor control unit can be wirelessly controlled by overall control center, avoid the interference of connection line.
In further embodiment of the present invention, clutch is provided between the main shaft and the change gear.It can be used
Clutch converts drive path
In further embodiment of the present invention, the transmission mechanism is provided with transmission mechanism operating mechanism.Transmission mechanism
Operating mechanism being capable of control rod transmission gear.
As shown in figure 4, the case where when being to turn on power feed in figure.The roller of second lever 13 and third lever 14 all fills
In the eccentric circular groove of cam.It is l that the H point and L point of this eccentric circular groove, which leave the distance of the centre of gyration, and M point and N point leave
The distance of the centre of gyration is then L.Cam is fixed on the axis of control crank.Therefore, handle is such as pulled to four different circumference
Position, so that it may respectively by metric system or drive path turn-screw made in Great Britain or feed rod.
In conclusion the invention has the advantages that：
1, the present invention uses high-precision main shaft, and the precision of main shaft is 0.001mm-0.002mm, so that transmission system realizes height
Precision transmission；
2, the present invention uses Jiang Zhen mechanism in axis system, noise of the main shaft in rotary course is reduced, so that subtracting
Vibration effect can improve 40% or more；
3, the present invention can make main control unit remotely control motor control unit by the way of wireless telecommunications, avoid existing
Field wire cable is rambling cumbersome；
4, field data uploads cloud, can check its data everywhere, the operating condition of lathe is judged according to data；
5, there is enough Static stiffness and dynamic stiffness, there is good quick correspondence, in low speed feed motion or micro
It does not creep when feeding, to move steady, high sensitivity；
6, good anti-vibration, will not because friction self-vibration and cause driving member shake or gear-driven impact noise；
7, with sufficiently wide speed adjustable range, guarantee to realize the required amount of feeding (feeding norm column), to adapt to difference
Rapidoprint meet different part processing requests using different cutters, biggish torque can be driven.
Working principle：
At work, the ginseng that main control unit is controlled motor control unit by way of wireless telecommunications, motor control is arranged
Number, so that motor is in suitable driving power, steering mechanism makes spindle rotating direction, and main speed-changing mechanism makes main shaft speed change, drop
Vibration mechanism reduces the vibration generated when main axis, by adjusting built-up gear relative to main axle moving, realizes main transmission, change gear
It can be disconnected in time (when operation is abnormal) under clutch effect, clutch is as overload protection arrangement, in knife
During frame power feed, when such as feeding drag is excessive or movement is hindered, it can disconnect power feed transmission chain automatically,
Make knife rest feed-disabling, transmission mechanism avoided to damage, then, motor by main shaft passing movement and power to feed box, into
To case be in feed motion transmission chain gear ratio change device (in the invention of this hair include feed box gear, interpreter
Structure), its function is the amount of feeding for changing the screw pitch or power feed that are processed screw thread.Then, transmission ratio is transferred to lead screw
And polished rod, the sliding box in lathe is driven through lead screw, makes knife rest longitudinal movement, this is one of cutted thread transmission road
Line；An other drive line is by a series of transmission mechanisms in the sliding box in feed rod and lathe, and band movable knife rack is indulged
To feed motion and in-movement.Sliding box in the above-described embodiments is fixed on the bottom of blade carrier component, can drive
Knife rest left longitudinal movement together.The function of sliding box is that the movement that feed box is transmitted passes to knife rest, realizes knife rest longitudinal
Feeding, traverse feed fast move or cutting thread.Various control cranks and button are housed in sliding box, worker can when work
Easily to operate lathe, it is not described in detail herein.The major parameter and transmission parameter of lathe can by main control unit come
Setting, for example, range, maximum angle of revolution, the amount of feeding, maximum turning length, the speed of mainshaft, length feed amount, laterally into
To amount etc..Machine tool data can also upload host, use for reference via main control unit by way of wireless telecommunications.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of feeding lathe transmission system, including motor, it is characterised in that:The motor is connected with motor control list
Member, the motor control unit are connected with overall control center, and the motor is also connected with spindle drive, the spindle drive
Mechanism is connected with change gear, and the change gear is connected with feed box, and the feed box is connected separately with lead screw and polished rod, and the polished rod connects
It is connected to transmission structure, the transmission mechanism is connected with knife rest.
2. a kind of feeding lathe transmission system according to claim 1, it is characterised in that：The spindle drive includes
Steering mechanism, the steering mechanism are connected with main speed-changing mechanism, and the main speed-changing mechanism is connected with main shaft, and the main shaft is connected with
Jiang Zhen mechanism.
3. a kind of feeding lathe transmission system according to claim 2, it is characterised in that：The Jiang Zhen mechanism, which is provided with, to be subtracted
Vibration device and the vibrating sensor being connect with the damper.
4. a kind of feeding lathe transmission system according to claim 1, it is characterised in that：The feed box includes feed box
Gear, the switching mechanism connecting with the feed box gear and feed box double group, and the feed box doubles group
A group operating mechanism is doubled including feed box.
5. a kind of feeding lathe transmission system according to claim 1, it is characterised in that：The transmission mechanism includes transmission
Mechanism, rotating mechanism and nut, wherein the transmission mechanism is connect with the polished rod, the lead screw is connected with nut.
6. a kind of feeding lathe transmission system according to claim 5, it is characterised in that：The transmission ratio of the transmission mechanism
For：1,And
7. a kind of feeding lathe transmission system according to claim 2, it is characterised in that：The precision of the main shaft is
0.001mm-0.002mm。
8. a kind of feeding lathe transmission system according to claim 1, it is characterised in that：The motor control unit passes through
The mode of wireless telecommunications is communicated with overall control center.
9. a kind of feeding lathe transmission system according to claim 1, it is characterised in that：The main shaft and the change gear it
Between be provided with clutch.
10. a kind of feeding lathe transmission system according to claim 5, it is characterised in that：The transmission mechanism is provided with
Transmission mechanism operating mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757089.4A CN108857529A (en) | 2018-07-11 | 2018-07-11 | Feed lathe transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757089.4A CN108857529A (en) | 2018-07-11 | 2018-07-11 | Feed lathe transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108857529A true CN108857529A (en) | 2018-11-23 |
Family
ID=64300867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757089.4A Pending CN108857529A (en) | 2018-07-11 | 2018-07-11 | Feed lathe transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108857529A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304502Y (en) * | 1997-08-22 | 1999-01-20 | 盐城市机床厂 | Horizontal lathe feed gearbox |
| CN201300335Y (en) * | 2008-11-27 | 2009-09-02 | 天水星火机床有限责任公司 | Novel vertical type lathes feeding box |
| CN201931314U (en) * | 2009-09-08 | 2011-08-17 | 深圳信息职业技术学院 | Lathe transmission system |
| DE102014201366A1 (en) * | 2014-01-27 | 2015-07-30 | Robert Bosch Gmbh | STATIONARY WIRELESS TOOL |
| CN204524268U (en) * | 2015-04-08 | 2015-08-05 | 内蒙古机电职业技术学院 | High-speed numeric control lathe feeding drive mechanism |
| CN205928196U (en) * | 2016-06-29 | 2017-02-08 | 江苏美特林科特殊合金股份有限公司 | Grinding device of high temperature alloy bar |
-
2018
- 2018-07-11 CN CN201810757089.4A patent/CN108857529A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2304502Y (en) * | 1997-08-22 | 1999-01-20 | 盐城市机床厂 | Horizontal lathe feed gearbox |
| CN201300335Y (en) * | 2008-11-27 | 2009-09-02 | 天水星火机床有限责任公司 | Novel vertical type lathes feeding box |
| CN201931314U (en) * | 2009-09-08 | 2011-08-17 | 深圳信息职业技术学院 | Lathe transmission system |
| DE102014201366A1 (en) * | 2014-01-27 | 2015-07-30 | Robert Bosch Gmbh | STATIONARY WIRELESS TOOL |
| CN204524268U (en) * | 2015-04-08 | 2015-08-05 | 内蒙古机电职业技术学院 | High-speed numeric control lathe feeding drive mechanism |
| CN205928196U (en) * | 2016-06-29 | 2017-02-08 | 江苏美特林科特殊合金股份有限公司 | Grinding device of high temperature alloy bar |
Non-Patent Citations (2)
| Title |
|---|
| 孙莹: "基于工业无线通信的普通车床安全集成控制系统", 《制造技术与机床》 * |
| 陆翠英: "《机械加工基础实验指导书》", 31 October 1994, 北京航空航天大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200988138Y (en) | Multifunction machine tool | |
| CN200988147Y (en) | Light lathe | |
| CN102463468A (en) | Numerically controlled horizontal lathe suitable for overload processing | |
| CA1176438A (en) | Machine tools | |
| US2891435A (en) | Lathe | |
| RU154589U1 (en) | PLANETARY GRINDING HEAD | |
| CN102825291A (en) | Porous boring machine | |
| CN110814758B (en) | Turning-variable multi-spindle drilling and milling machine tool | |
| CN206373369U (en) | Suitable for the type horizontal processing machine tool of Large Crankshaft Compound Machining | |
| CN108857529A (en) | Feed lathe transmission system | |
| CN211314995U (en) | Automatic gear shifting mechanism for machine tool spindle | |
| CN101823170A (en) | Tapping machine | |
| CN205415085U (en) | Radial feed mechanism of numerical control boring machine facing head | |
| CN201644955U (en) | Threading machine | |
| US3922936A (en) | Driving a single spindle lathe | |
| CN212371189U (en) | Gear transmission type main shaft speed change gear shifting mechanism of planer type milling machine | |
| CN202240439U (en) | Multifunctional machine tool | |
| US3711213A (en) | Multiple-spindle arrangement for tapping holes in small workpieces, nuts in particular | |
| US3200672A (en) | Multiple shaft type drilling machine | |
| CN109175412B (en) | Digital display radial drilling machine spindle box adopting electromagnetic clutch for speed change | |
| CN101704137A (en) | Gear end surface profiling chamfering machine | |
| CN202343959U (en) | Machine tool bedside mechanism of motor hollow rotor shaft | |
| CN114029518B (en) | Hole end face processingequipment | |
| CN202877579U (en) | Porous boring machine | |
| CN207057649U (en) | A kind of NC vertical lathe cutting jig with shock-absorbing function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181123 |