CN207272729U - A kind of milling machine - Google Patents
A kind of milling machine Download PDFInfo
- Publication number
- CN207272729U CN207272729U CN201720711328.3U CN201720711328U CN207272729U CN 207272729 U CN207272729 U CN 207272729U CN 201720711328 U CN201720711328 U CN 201720711328U CN 207272729 U CN207272729 U CN 207272729U
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- milling
- shaft hole
- pin shaft
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- pipe
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Abstract
The utility model proposes a kind of milling machine, including rack and the rotating disk mechanism that is arranged in the rack, the multi-position disc milling machine further includes at the top of pipe milling mechanism among milling mechanism and pipe.This kind of milling machine and hold-down mechanism integrate milling mechanism and pipe centre milling mechanism at the top of pipe, top can be carried out to pipe and middle part carries out boring miller work, the controllability and applicability of the milling machine are substantially increased, can meet the production requirement of different pipes；This kind of multi-position disc milling machine compresses pipe by regulation hold-down mechanism, is not in the situation that pipe drops during milling is bored using manually pipe is positioned at fixture.
Description
Technical field
It the utility model is related to machinery equipment field, more particularly to a kind of milling machine.
Background technology
In machinery equipment field, comprising various processing equipment, wherein milling machine is one of commonly used equipment, it is used for thing
Material carries out boring milling processing.
Traditional material bores milling processing and generally all carries out brill milling using single milling machine, and manually material is positioned at fixture
Fastening is carried out so as to control milling machine to carry out brill milling to material, this working method efficiency is very low, can not meet current
The growth requirement of society.
Existing milling machine can only bore one face of milling when carrying out brill milling to material to material, and need more to material brill milling
The angle of constantly adjustment milling head is then needed during a face, greatly reduces production efficiency, and part milling machine is carrying out boring milling process
In easily there is the situation that material comes off, this obviously can be caused to damage to whole equipment.
Therefore, we are necessary to improve such a structure, to overcome drawbacks described above.
Utility model content
The purpose of this utility model is to provide a kind of milling machine.
The utility model is that technical solution is used by solving its technical problem：
A kind of milling machine, including rack and the rotating disk mechanism that is arranged in the rack, the rotating disk mechanism include motor
Case and the rotating disc for being arranged at the motor housing upper end, the motor housing is square container, and the motor housing upper end has
It is open, driving motor is fixed with the motor housing, the driving motor output shaft end extends to motor housing upper end, the driving
Motor is also fixed in the motor housing by some triangle fasteners, and the driving motor output shaft top is in shape of threads knot
Structure, the driving motor output shaft top are connected with adaptor, and dimple, the dimple inner wall have been issued in the adaptor bottom
In thread-like structure, the driving motor output shaft top is screwed on the adaptor bottom, and the adaptor upper end is connected with
Mini-roundabout, the mini-roundabout upper end are fixed with rotating disc with one heart, and the rotating disc circumferential location average mark is furnished with four fixtures, institute
State fixture side and be further fixed on hold-down mechanism for pressfitting fixture, the fixture includes two symmetrically arranged fixture blocks, described
Triangle clip slot has been issued in fixture block surface middle part, and the triangular clip groove of two fixture blocks forms a square big clip slot, described
Pipe is fixed with fixture, is equipped with milling mechanism and pipe centre milling machine at the top of pipe successively around the rotating disc circumference outer end
Structure；
The hold-down mechanism includes a quadrate support block, and the quadrate support block surface is fixed with two pieces of symmetrically arranged branch
Fagging, the support plate includes a riser and the arc plate for being welded in the riser lower end, the arc plate are tight by bolt
The quadrate support block upper end is fixed in, pin shaft hole one and pin shaft hole are offered respectively at the support plate top and right flank
Two, the support plate upper end is equipped with two blocks of symmetrically arranged L plates, and pin shaft hole three and pin shaft hole four are offered respectively at the L plates,
The pin shaft hole three is located at four lower end of pin shaft hole, and the pin shaft hole one is connected with the pin shaft hole three by axis pin one, institute
State hold-down mechanism and further include two pieces of symmetrically arranged connecting plates, the inclined structure setting of connecting plate, the connecting plate top
Offering pin shaft hole five and pin shaft hole six respectively with bottom, the pin shaft hole two is connected with the pin shaft hole six by axis pin two,
The hold-down mechanism has further included pressing handle, and pin shaft hole seven and pin shaft hole eight, institute are offered at the pressing handle
Pin shaft hole seven is stated positioned at the left side of pin shaft hole eight, the pin shaft hole eight is connected with the pin shaft hole five by axis pin three, described
Pin shaft hole seven is connected with the pin shaft hole four by axis pin four；
Upper and lower ends are further fixed on gasket on the left of the L plates, and the gasket surface middle part offers circular through hole,
Bull stick is fixed with the circular through hole, the bull stick surface has thread-like structure, and the bull stick passes through one He of nut respectively
Nut two is anchored on the upper and lower ends on the left of L plates, and the nut one is located at two upper end of nut, and the bull stick bottom is connected with
Compress piece, the compression piece and the perpendicular structure setting of the bull stick；
Milling mechanism is arranged at the rotating disk mechanism right end at the top of the pipe, and milling mechanism includes top milling at the top of the pipe
Rack and two slides one being arranged in parallel for being arranged at the top milling frame upper end, the slide one are fastened by bolts
In the top milling frame upper end, one upper end of slide is equipped with slider plate, and slider plate downside middle part is fixed with
Leading screw slide one, the slider plate right side is further fixed on cover plate, servomotor is fastened with the right side of the cover plate downside, described to watch
Take motor output shaft end and leading screw one is connected with by shaft coupling one, the rotation of leading screw one is arranged at leading screw slide one and extends to institute
One left end of leading screw slide is stated, the slider plate upper end is fastened with top supporting frame, and the top supporting frame upper end is fixed with rotation
Motor one, one output shaft end of rotary electric machine is upward, and the rotary electric machine one exports shaft end and is arranged with driving wheel, the top
Drilling milling machine frame is fixed with the left of portion's supporting rack, is equipped with rotating bar in the drilling milling machine frame, drive link top is arranged with driven wheel, institute
State driving wheel to be connected by belt with the driven wheel, the driving wheel outside the driven wheel with being covered with protective cover, institute
State rotating bar lower end and Drilling and milling head, the Drilling and milling head and the rotating disc also perpendicular structure setting, institute are connected with by the part that is screwed on
State Drilling and milling head and be located at the pipe upper end.
Further, milling mechanism includes middle milling machine frame and is fixed on the middle milling frame upper end among the pipe
Sliding platform, the sliding platform surface is fixed with two slides being arranged in parallel two, and two upper end of slide, which is equipped with, to be slided
Plate two, the two downside middle part of sliding panel are protruding with pushing block, and two left end of sliding panel is further fixed on pusher cylinder,
The pusher cylinder piston rod extends to the right, and the pusher cylinder piston-rod end is connected with the pushing block, the slip
Two upper end of plate is further fixed on drilling milling machine frame one, and the rear side of drilling milling machine frame one is vertically installed with two fixed frame of rotary electric machine, described
Two fixed frame top of rotary electric machine is fixed with rotary electric machine two, and two output shaft end of rotary electric machine extends to rotary electric machine two
On rear side of fixed frame, the rotary electric machine two exports shaft end and is arranged with driving wheel one, and rotation is fixed with the drilling milling machine frame one
Bar two, two end of rotating bar are arranged with driven wheel one, and the driving wheel one is connected with the driven wheel one by belt one,
The driving wheel one is equipped with protective cover one with one outer cup of driven wheel, and two front end of rotating bar is fixed by adaptor one
There is Drilling and milling head two, the Drilling and milling head two is located on rear side of pipe middle part.
The utility model has the advantage of：
This kind of milling machine and its hold-down mechanism integrate milling mechanism and pipe centre milling mechanism at the top of pipe, can be to pipe
Carry out top and middle part carries out boring miller work, substantially increase the controllability and applicability of the milling machine, can meet
The production requirement of different pipes.
Pipe using being manually positioned at fixture by this kind of milling machine and its hold-down mechanism, by regulation hold-down mechanism to pipe
Compressed, be not in the situation that pipe drops during milling is bored.
Brief description of the drawings
Fig. 1 be the utility model proposes a kind of milling machine structure diagram.
Fig. 2 is clamp system structure diagram.
Fig. 3 is milling mechanism structure diagram at the top of pipe.
Fig. 4 is side of circular pipe side milling mechanism structure schematic diagram.
Corresponding component title of the numeral represented by with letter in figure：
Wherein：1- racks；2- rotating disk mechanisms；Milling mechanism at the top of 3- pipes；Milling mechanism among 4- pipes；21- motor housings；
22- rotating discs；23- fixtures；24- hold-down mechanisms；25- pipes；241- quadrate support blocks；242- support plates；243-L plates；244-
Connecting plate；245- pressing handles；246- gaskets；247- bull sticks；248- compresses piece；Milling machine frame at the top of 31-；32- slides one；33-
Sliding shoe；34- cover plates；35- top supporting frames；36- rotary electric machines one；37- drilling milling machine framves；38- protective covers；39- Drilling and milling heads；
41- sliding platforms；42- slides two；43- sliding panels two；44- pusher cylinders；45- drilling milling machines frame one；46- rotary electric machines two are solid
Determine frame；47- rotary electric machines two；48- Drilling and milling heads two.
Embodiment
In order to make the technical means, creative features, achievable purpose and effectiveness that the utility model is realized easy to understand, under
Face combines diagram and specific embodiment, and the utility model is expanded on further.
As shown in Figures 1 to 4, the utility model proposes a kind of milling machine, including rack 1 and be arranged at the rack 1
On rotating disk mechanism 2, the rotating disk mechanism 2 includes motor housing 21 and is arranged at the rotating disc 22 of 21 upper end of motor housing,
The motor housing 21 is square container, and 21 upper end of the motor housing has opening, and driving electricity is fixed with the motor housing 21
Machine, the driving motor output shaft end extend to 21 upper end of motor housing, and the driving motor is also consolidated by some triangle fasteners
Due in the motor housing 21, the driving motor output shaft top is in thread-like structure, the driving motor output shaft top
It is connected with adaptor, dimple has been issued in the adaptor bottom, and the dimple inner wall is also in thread-like structure, the driving motor
Output shaft top is screwed on the adaptor bottom, and the adaptor upper end is connected with mini-roundabout, and the mini-roundabout upper end is concentric
Rotating disc 22 is fixed with, the 22 circumferential location average mark of rotating disc is furnished with four fixtures 23, and 23 side of fixture is also fixed
It is useful for the hold-down mechanism 24 of pressfitting fixture 23, the fixture 23 includes two symmetrically arranged fixture blocks, in the fixture block surface
Between position issued triangle clip slot, the triangular clip grooves of two fixture blocks forms a square big clip slot, solid in the fixture 23
Surely there is pipe 25, be equipped with milling mechanism 3 and pipe centre milling mechanism 4 at the top of pipe successively around the 22 circumference outer end of rotating disc；
The hold-down mechanism 24 includes a quadrate support block 241, and 241 surface of quadrate support block is fixed with two pieces symmetrically
The support plate 242 of setting, the support plate 242 include a riser and the arc plate for being welded in the riser lower end, the circle
Arc plate is fastened by bolts to be opened up respectively at 241 upper end of quadrate support block, 242 top of support plate and right flank
There are a pin shaft hole one and pin shaft hole two, 242 upper end of support plate is equipped with two blocks of symmetrically arranged L plates 243, at the L plates 243
Offer pin shaft hole three and pin shaft hole four respectively, the pin shaft hole three is located at four lower end of pin shaft hole, the pin shaft hole one with
The pin shaft hole three is connected by axis pin one, and the hold-down mechanism 24 further includes two pieces of symmetrically arranged connecting plates 244, the company
244 inclined structure setting of fishplate bar, 244 top of connecting plate offer pin shaft hole five and pin shaft hole six, institute respectively with bottom
State pin shaft hole two to be connected by axis pin two with the pin shaft hole six, the hold-down mechanism 24 has further included pressing handle 245, described
Pin shaft hole seven and pin shaft hole eight are offered at pressing handle 245, the pin shaft hole seven is located at the left side of pin shaft hole eight,
The pin shaft hole eight is connected with the pin shaft hole five by axis pin three, and the pin shaft hole seven passes through axis pin four with the pin shaft hole four
Connection；
The 243 left side upper and lower ends of L plates are further fixed on gasket 246, and the 246 surface middle part of gasket offers circle
Shape through hole, is fixed with bull stick 247 in the circular through hole, 247 surface of bull stick has thread-like structure, the bull stick 247
The upper and lower ends in the left side of L plates 243 are anchored on by nut one and nut two respectively, the nut one is located on the nut two
End, 247 bottom of bull stick, which is connected with, compresses piece 248, the compression piece 248 and the 247 perpendicular structure setting of bull stick；
Milling mechanism 3 is arranged at 2 right end of rotating disk mechanism at the top of the pipe, and milling mechanism 3 includes top at the top of the pipe
Portion's milling machine frame 31 and two slides 1 being arranged in parallel for being arranged at 31 upper end of top milling machine frame, the slide 1
It is fastened by bolts and is equipped with slider plate 33, the slider plate 33 in 31 upper end of top milling machine frame, one 32 upper end of slide
Downside middle part is fixed with leading screw slide one, and the right side of slider plate 33 is further fixed on cover plate 34, the downside of cover plate 34
Right side of face is fastened with servomotor, and the servo motor output shaft end is connected with leading screw one, the leading screw one by shaft coupling one
Rotation is arranged at leading screw slide one and extends to one left end of leading screw slide, and 33 upper end of slider plate is fastened with top supporting frame
35,35 upper end of top supporting frame is fixed with rotary electric machine 1, and one 36 output shaft end of rotary electric machine is upward, described turn
Dynamic motor 1 exports shaft end and is arranged with driving wheel, and the left side of top supporting frame 35 is fixed with drilling milling machine frame 37, the brill
Rotating bar is equipped with milling machine frame 37, drive link top is arranged with driven wheel, and the driving wheel is connected with the driven wheel by belt
Connect, with being covered with protective cover 38 outside the driven wheel, the rotating bar lower end is connected with the driving wheel by the part that is screwed on
Drilling and milling head 39, also perpendicular structure setting, the Drilling and milling head 39 are located at the pipe to the Drilling and milling head 39 with the rotating disc 22
25 upper ends.
Further, milling mechanism 4 includes middle milling machine frame and is fixed on the middle milling machine frame among the pipe
The sliding platform 41 at end, 41 surface of sliding platform are fixed with two slides being arranged in parallel 2 42, on the slide 2 42
End is equipped with sliding panel 2 43, and the 2 43 downside middle part of sliding panel is protruding with pushing block, 2 43 left end of sliding panel
Be further fixed on pusher cylinder 44,44 piston rod of pusher cylinder extends to the right, 44 piston-rod end of pusher cylinder with
The pushing block connection, 2 43 upper end of sliding panel are further fixed on drilling milling machine frame 1, and the rear side of drilling milling machine frame 1 hangs down
Two fixed frame 46 of rotary electric machine directly is provided with, two fixed frame of rotary electric machine, 46 top is fixed with rotary electric machine 2 47, described
2 47 output shaft end of rotary electric machine extends to the rear side of two fixed frame of rotary electric machine 46, and the rotary electric machine 2 47 exports shaft end set
Equipped with driving wheel one, rotating bar two is fixed with the drilling milling machine frame 1, two end of rotating bar is arranged with driven wheel one,
The driving wheel one is connected with the driven wheel one by belt one, and the driving wheel one is equipped with one outer cup of driven wheel
Protective cover one, two front end of rotating bar are fixed with Drilling and milling head 2 48 by adaptor one, and the Drilling and milling head 2 48 is located at pipe
On rear side of 25 middle parts.
This kind of milling machine and its hold-down mechanism integrate milling mechanism and pipe centre milling mechanism at the top of pipe, can be to pipe
Carry out top and middle part carries out boring miller work, substantially increase the controllability and applicability of the milling machine, can meet
The production requirement of different pipes.
Pipe using being manually positioned at fixture by this kind of milling machine and its hold-down mechanism, by regulation hold-down mechanism to pipe
Compressed, be not in the situation that pipe drops during milling is bored.
The advantages of basic principle, main feature and the utility model of the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Simply illustrate the utility model principle, on the premise of not departing from the spirit and scope of the utility model the utility model can also
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model will
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (2)
1. a kind of milling machine, including rack (1) and the rotating disk mechanism (2) that is arranged in the rack (1), it is characterised in that：Institute
Stating rotating disk mechanism (2) includes motor housing (21) and the rotating disc (22) for being arranged at the motor housing (21) upper end, the motor
Case (21) is square container, and the motor housing (21) upper end has opening, and driving motor is fixed with the motor housing (21),
The driving motor output shaft end extends to motor housing (21) upper end, and the driving motor is also fixed by some triangle fasteners
In the motor housing (21), the driving motor output shaft top is in thread-like structure, the driving motor output shaft top
It is connected with adaptor, dimple has been issued in the adaptor bottom, and the dimple inner wall is also in thread-like structure, the driving motor
Output shaft top is screwed on the adaptor bottom, and the adaptor upper end is connected with mini-roundabout, and the mini-roundabout upper end is concentric
Rotating disc (22) is fixed with, rotating disc (22) the circumferential location average mark is furnished with four fixtures (23), the fixture (23) one
Side is further fixed on the hold-down mechanism (24) for pressfitting fixture (23), and the fixture (23) includes two symmetrically arranged fixture blocks,
Triangle clip slot has been issued in fixture block surface middle part, and the triangular clip groove of two fixture blocks forms a square big clip slot,
Pipe (25) is fixed with the fixture (23), milling mechanism at the top of pipe is equipped with successively around the rotating disc (22) circumference outer end
(3) and pipe among milling mechanism (4)；
The hold-down mechanism (24) includes a quadrate support block (241), quadrate support block (241) surface be fixed with two pieces it is right
Claiming the support plate (242) set, the support plate (242) includes a riser and the arc plate for being welded in the riser lower end,
The arc plate is fastened by bolts in quadrate support block (241) upper end, support plate (242) top and right flank
Place offers pin shaft hole one and pin shaft hole two respectively, and support plate (242) upper end is equipped with two pieces of symmetrically arranged L plates (243),
L plates (243) place offers pin shaft hole three and pin shaft hole four respectively, and the pin shaft hole three is located at four lower end of pin shaft hole,
The pin shaft hole one is connected with the pin shaft hole three by axis pin one, the hold-down mechanism (24) further include two pieces it is symmetrically arranged
Connecting plate (244), the inclined structure setting of the connecting plate (244), connecting plate (244) top open up respectively with bottom
There are pin shaft hole five and pin shaft hole six, the pin shaft hole two is connected with the pin shaft hole six by axis pin two, the hold-down mechanism
(24) pressing handle (245) has been further included, pressing handle (245) place offers pin shaft hole seven and pin shaft hole eight,
The pin shaft hole seven is connected positioned at the left side of pin shaft hole eight, the pin shaft hole eight with the pin shaft hole five by axis pin three, institute
Pin shaft hole seven is stated to be connected by axis pin four with the pin shaft hole four；
Upper and lower ends are further fixed on gasket (246) on the left of the L plates (243), and gasket (246) the surface middle part offers
Circular through hole, is fixed with bull stick (247) in the circular through hole, and bull stick (247) surface has a thread-like structure, described turn
Bar (247) is anchored on upper and lower ends on the left of L plates (243) by nut one and nut two respectively, and the nut one is positioned at described
Two upper end of nut, bull stick (247) bottom, which is connected with, compresses piece (248), the compression piece (248) and the bull stick (247)
Perpendicular structure setting；
Milling mechanism (3) is arranged at the rotating disk mechanism (2) right end at the top of the pipe, and milling mechanism (3) includes at the top of the pipe
Top milling machine frame (31) and two slides one (32) being arranged in parallel for being arranged at top milling machine frame (31) upper end, it is described
Slide one (32) is fastened by bolts is equipped with slider plate in top milling machine frame (31) upper end, described one (32) upper end of slide
(33), slider plate (33) the downside middle part is fixed with leading screw slide one, is further fixed on the right side of the slider plate (33)
Cover plate (34), cover plate (34) the downside right side are fastened with servomotor, and the servo motor output shaft end passes through shaft coupling
One is connected with leading screw one, and the rotation of leading screw one is arranged at leading screw slide one and extends to one left end of leading screw slide, the cunning
Block plate (33) upper end is fastened with top supporting frame (35), and top supporting frame (35) upper end is fixed with rotary electric machine one (36),
Described one (36) output shaft end of rotary electric machine is upward, and rotary electric machine one (36) the output shaft end is arranged with driving wheel, described
Drilling milling machine frame (37) is fixed with the left of top supporting frame (35), rotating bar, drive link top are equipped with the drilling milling machine frame (37)
Driven wheel is arranged with, the driving wheel is connected with the driven wheel by belt, and the driving wheel and driven wheel outside are equal
Protective cover (38) is covered with, the rotating bar lower end is connected with Drilling and milling head (39), the Drilling and milling head (39) and institute by the part that is screwed on
Rotating disc (22) also perpendicular structure setting is stated, the Drilling and milling head (39) is located at the pipe (25) upper end.
A kind of 2. milling machine according to claim 1, it is characterised in that：Milling mechanism (4) includes middle milling among the pipe
Rack and the sliding platform (41) for being fixed on the middle milling frame upper end, sliding platform (41) surface are fixed with two
The slide two (42) being arranged in parallel, described two (42) upper end of slide are equipped with sliding panel two (43), sliding panel two (43) downside
Face middle part is protruding with pushing block, and described two (43) left end of sliding panel is further fixed on pusher cylinder (44), the pusher cylinder
(44) piston rod extends to the right, and pusher cylinder (44) piston-rod end is connected with the pushing block, the sliding panel two
(43) upper end is further fixed on drilling milling machine frame one (45), and being vertically installed with rotary electric machine two on rear side of the drilling milling machine frame one (45) fixes
Frame (46), two fixed frame of rotary electric machine (46) top are fixed with rotary electric machine two (47), and the rotary electric machine two (47) is defeated
Go out shaft end to extend on rear side of two fixed frame of rotary electric machine (46), rotary electric machine two (47) the output shaft end is arranged with driving wheel
One, the drilling milling machine frame one (45) is interior to be fixed with rotating bar two, and two end of rotating bar is arranged with driven wheel one, the driving
Wheel one is connected with the driven wheel one by belt one, and the driving wheel one is equipped with protective cover with one outer cup of driven wheel
One, two front end of rotating bar is fixed with Drilling and milling head two (48) by adaptor one, and the Drilling and milling head two (48) is located at pipe
(25) on rear side of middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711328.3U CN207272729U (en) | 2017-06-19 | 2017-06-19 | A kind of milling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720711328.3U CN207272729U (en) | 2017-06-19 | 2017-06-19 | A kind of milling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207272729U true CN207272729U (en) | 2018-04-27 |
Family
ID=61992709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720711328.3U Expired - Fee Related CN207272729U (en) | 2017-06-19 | 2017-06-19 | A kind of milling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207272729U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097087A (en) * | 2017-06-19 | 2017-08-29 | 浙江通泰轴承有限公司 | A kind of milling machine and its hold-down mechanism |
| CN111992821A (en) * | 2020-08-20 | 2020-11-27 | 马鞍山贺辉信息科技有限公司 | Thread milling equipment for aluminum alloy reinforcing member of automobile chassis |
-
2017
- 2017-06-19 CN CN201720711328.3U patent/CN207272729U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107097087A (en) * | 2017-06-19 | 2017-08-29 | 浙江通泰轴承有限公司 | A kind of milling machine and its hold-down mechanism |
| CN111992821A (en) * | 2020-08-20 | 2020-11-27 | 马鞍山贺辉信息科技有限公司 | Thread milling equipment for aluminum alloy reinforcing member of automobile chassis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20210619 |