CN206474724U - Roller carrier shaft machining tool - Google Patents
Roller carrier shaft machining tool Download PDFInfo
- Publication number
- CN206474724U CN206474724U CN201720131741.2U CN201720131741U CN206474724U CN 206474724 U CN206474724 U CN 206474724U CN 201720131741 U CN201720131741 U CN 201720131741U CN 206474724 U CN206474724 U CN 206474724U
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- China
- Prior art keywords
- milling cutter
- shaft
- roller carrier
- blank
- machining tool
- 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.)
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- 238000003754 machining Methods 0.000 title claims abstract description 52
- 239000000969 carrier Substances 0.000 title claims abstract description 46
- 238000003801 milling Methods 0.000 claims abstract description 83
- 230000005540 biological transmission Effects 0.000 claims description 44
- 230000000875 corresponding Effects 0.000 claims description 5
- 230000001105 regulatory Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 238000005520 cutting process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000116 mitigating Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of roller carrier shaft machining tool, including lathe bed, machining cell on lathe bed and the clamping tooling for clamping blank, machining cell includes drive device and the toolbox being connected with drive device, toolbox includes the first milling cutter and the second milling cutter for being arranged at intervals and being axially parallel to blank, blank answers the working position to be placed between the first milling cutter and the second milling cutter, the spacing of the first milling cutter and the second milling cutter in the vertical direction can be adjusted between first milling cutter and the second milling cutter relative to rotating in a circumferential direction to process the flat mouth for meeting design size or notch on working position in answering for blank.The roller carrier shaft machining tool dexterously adjusts cutting output size by the change of geometry site between the first milling cutter and the second milling cutter, reduces clamping times, greatly improves roller carrier shaft production capacity.
Description
Technical field
The utility model is related to Machining Technology for Cutting field, and in particular to a kind of roller carrier shaft machining tool.
Background technology
Roller carrier shaft is the important accessory of ribbon conveyer, and on the one hand its major function is held up on conveyer belt and conveyer belt
Material, be on the other hand to drive idler pipe, bearing block, outer race and sealing using its frictional force between conveyer belt
Part rotates, so as to realize the transmission of logistics together with conveyer belt.
Roller carrier shaft mainly includes flat mouth roller carrier shaft and notch roller carrier shaft two types, and is respectively provided with the larger market demand
Amount.At present, although the processing of roller carrier shaft is simple, processing efficiency is low, particularly with the processing of notch roller carrier shaft, referring to the drawings 8
It is shown, it will be readily appreciated by those skilled in the art that processing generally requires No. 4 clampings and could complete notch to add on existing lathe
Work, thus causes processing cost higher, causes production capacity to be difficult to be lifted accordingly.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model can improve the carrying roller of roller carrier shaft production capacity there is provided a kind of
Axis processing machine bed.
In order to solve the above-mentioned technical problem, the technical scheme of roller carrier shaft machining tool use of the present utility model is：
Roller carrier shaft machining tool, including lathe bed, the machining cell on the lathe bed and the clamping for clamping blank
Frock, the machining cell includes drive device and the toolbox being connected with the drive device, the toolbox
The first milling cutter and the second milling cutter including being arranged at intervals and being axially parallel to the blank, the blank answer working position to put
, can be relative to circumferential rotation between first milling cutter and second milling cutter between first milling cutter and second milling cutter
Turn to adjust first milling cutter with the spacing of the second milling cutter in the vertical direction to answer processing department in the blank
The flat mouth or notch for meeting design size are processed on position.
Further, it is connected between the drive device and the toolbox by transmission device, the transmission device
Passed including the first power transmission shaft being connected with first milling cutter and the second driving shaft being connected with second milling cutter, described first
Moving axis and the second driving shaft are arranged in integral main shaft, the integral main shaft can it is circumferentially rotatable with adjust indirectly it is described between
Away from.
Further, the integral main shaft is provided with the first through hole that is used for installing first power transmission shaft and for installing the
Second through hole of two power transmission shafts；Or, the integral main shaft includes the first axle sleeve and the second axle sleeve being fixedly connected, described first
Power transmission shaft is arranged in first axle sleeve, and the second driving shaft is arranged in second axle sleeve.
Further, the integral main shaft is also associated with rotating in a circumferential direction the regulation hand of amplitude for adjusting the integral main shaft
Handle.
Further, the transmission device includes first be connected between the drive device and first power transmission shaft
Driving section and the second driving section being connected between first power transmission shaft and the second driving shaft, second driving section is
Synchromesh gear group, the synchromesh gear group include the driving wheel that is connected with first power transmission shaft and with the second driving shaft phase
The driven pulley that driving wheel described in Lian Bingyu coordinates.
Further, first driving section is tape handler, and the tape handler is also associated with elasticity regulation
Mechanism.
Further, the machining cell also includes being used to install the drive device, the transmission device and the knife
Have and be additionally provided with screw mechanism and the guide rail axially in parallel with the blank, the casing and institute on the casing of component, the lathe bed
State guide rail be slidably matched and connect the screw mechanism so that the toolbox can by the screw mechanism with the base
The axially in parallel side of part is moved up.
Further, the clamping tooling, which is connected with, can control the blank along perpendicular to the vertical direction and the axle
To horizontal direction make the power set of feed motion, the clamping tooling is connected by slide with the power set, described
Lathe bed is provided with the slide rail coordinated with the slide.
Further, the clamping tooling includes the first gripping block, the second gripping block and clamping cylinder, the clamping cylinder
It is connected with second gripping block and second gripping block can be driven to be transported towards the direction closer or far from first gripping block
The dynamic blank being placed in corresponding clamping or release between first gripping block and second gripping block.
Further, including two machining cells for being symmetrically set in the axial two ends of the blank.
Based on above-mentioned technical proposal, roller carrier shaft machining tool of the present utility model at least has following relative to prior art
Beneficial effect：
The first milling cutter and the second milling cutter of the roller carrier shaft machining tool can not only carry out machining to blank simultaneously, moreover it is possible to
Rotated against by circumferential to adjust the spacing of the first milling cutter and the second milling cutter in the vertical direction, without multiple clamping
Reach Indirect method cutting output and processed with carrying out flat mouth or notch.The lathe is dexterously by between the first milling cutter and the second milling cutter
Geometry site change regulation cutting output size, reduce clamping times, not only contribute to reduction Clamped Positioning Error from
And improve machining accuracy, moreover it is possible to the production efficiency of roller carrier shaft is greatly improved, so as to lift the production capacity of roller carrier shaft and reduction is produced into
This.
Brief description of the drawings
A kind of structural representation for roller carrier shaft machining tool that Fig. 1 provides for the utility model embodiment；
Fig. 2 is the partial schematic sectional view of machining cell in roller carrier shaft machining tool shown in Fig. 1；
Fig. 3 for integral main shaft, the first milling cutter and the second milling cutter in Fig. 1 in an initial condition schematic side view；
Fig. 4 is the schematic side view of integral main shaft, the first milling cutter and the second milling cutter in Fig. 1 under the first working condition；
Fig. 5 is the schematic side view of integral main shaft, the first milling cutter and the second milling cutter in Fig. 1 under second of working condition；
Fig. 6 is a kind of structural representation of clamping tooling clamping blank in roller carrier shaft machining tool shown in Fig. 1；
Fig. 7 is another structural representation of clamping tooling clamping blank in roller carrier shaft machining tool shown in Fig. 1；
The structural representation that Fig. 8 processes for notch roller carrier shaft in the prior art.
Embodiment
In order that the technical problems to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, below
With reference to drawings and Examples, the utility model is further elaborated.It should be appreciated that specific implementation described herein
Example only to explain the utility model, is not used to limit the utility model.
It should be noted that when element is referred to as on " being fixed on " or " being located at " another element, it can directly exist
On another element or it may be simultaneously present centering elements.When an element is known as " connection " another element, it can
To be to be directly connected to another element or may be simultaneously present centering elements.
Only it is relative concept or to produce each other it should also be noted that, the orientation term such as upper and lower in following examples
The normal operating condition of product is reference, and be should not be regarded as restrictive.
Referring to figs. 1 to Fig. 5, the roller carrier shaft machining tool that the utility model embodiment is provided, including lathe bed 100, located at bed
Machining cell 200 on body 100 and the clamping tooling for clamping blank 900, machining cell 200 include drive device 310 and
The toolbox being connected with drive device 310, toolbox includes being arranged at intervals and axial direction Y is parallel to the of blank 900
One milling cutter 510 and the second milling cutter 520, blank 900 answer working position to be placed between the first milling cutter 510 and the second milling cutter 520,
The first milling cutter 510 can be adjusted between first milling cutter 510 and the second milling cutter 520 relative to rotating in a circumferential direction and the second milling cutter 520 exists
Spacing d on vertical direction Z in answering for blank 900 so that process the flat mouth for meeting design size or notch on working position.
The roller carrier shaft machining tool, simple in construction, the first milling cutter 510 and the second milling cutter 520 can not only be simultaneously to blanks 900
Carry out machining, moreover it is possible to rotate against to adjust the first milling cutter 510 and the second milling cutter 520 in vertical direction Z by circumferential
On spacing d, be that can reach Indirect method cutting output to process to carry out flat mouth or notch without multiple clamping.The lathe is dexterously
Cutting output size is adjusted by the change of geometry site between the first milling cutter 510 and the second milling cutter 520, clamping is reduced
Number, not only contributes to reduction Clamped Positioning Error to improve machining accuracy, moreover it is possible to greatly improve the production efficiency of roller carrier shaft, from
And lift the production capacity of roller carrier shaft and reduce production cost.
Specifically in the present embodiment, for the roller carrier shaft of different sizes requirement, different-diameter, different thickness can be selected accordingly
The first milling cutter 510 and the second milling cutter 520 of degree use to realize processing request.
Further, referring to figs. 1 to Fig. 5, in the present embodiment, transmission is passed through between drive device 310 and toolbox
Device is connected, and transmission device includes the first power transmission shaft 421 being connected with the first milling cutter 510 and be connected with the second milling cutter 520 the
Two power transmission shafts 422, the first power transmission shaft 421 and second driving shaft 422 are arranged in integral main shaft 430, and integral main shaft 430 can be along week
To rotation to adjust spacing d indirectly.Integral main shaft 430 can rotate in direction shown in hollow arrow along along Fig. 4 and Fig. 5.Reference picture 3 to
Fig. 5, when integral main shaft 430 is circumferentially rotatable, the spacing between the first milling cutter 510 and the second milling cutter 520 on vertical direction Z
D is gradually reduced, so as to be milled the blank 900 being placed between the first milling cutter 510 and the second milling cutter 520 and in vertical direction
Design thickness is obtained on Z.Integral main shaft 430 is conducive to improving integrally-built stability and will not excessive increase overall structure
Shared volume, while ensureing that the first milling cutter 510 and the second milling cutter 520 can be rotated to carry out cutwork respectively, moreover it is possible to pole
Relative to the operation ease and accuracy rotated in a circumferential direction between big raising the first milling cutter 510 and the second milling cutter 520.
Optionally, in the present embodiment, integral main shaft 430 is provided with the first through hole 431 for being used for installing the first power transmission shaft 421
And for installing the second through hole 432 of second driving shaft 422.Such integral main shaft 430 is easy to process and it is advantageously ensured that
The axiality of one through hole 431 and the second through hole 432 preferably, is conducive to improving accordingly the first milling cutter 510 and the second milling cutter 520
Installation site precision, so as to reduce mismachining tolerance.
Another optional structure is that integral main shaft 430 includes the first axle sleeve (not shown) and the second axle being fixedly connected
(not shown) is covered, the first power transmission shaft 421 is arranged in the first axle sleeve, and second driving shaft 422 is arranged in the second axle sleeve.Using solid
Surely the first axle sleeve and the second axle sleeve connected can greatly save material as integral main shaft 430, and be conducive to mitigating weight
To improve the convenience installed.Specifically in the present embodiment, common welding can be used between the first axle sleeve and the second axle sleeve
Connection or other attachment structures are fixedly connected, and the support for positioning is also preferably equipped with outside the first axle sleeve and the second axle sleeve.
Certainly, reference picture 2, in practical application, between the first power transmission shaft 421 and first through hole 431 and second transmission
Bearing 441, sleeve 442 and shaft retaining ring 443 are provided between the through hole 432 of axle 422 and second.
Further, reference picture 1, in the present embodiment, integral main shaft 430 are also associated with being used to adjust integral main shaft 430
The regulation handle 610 for the amplitude that rotates in a circumferential direction.Regulation handle 610 can further improve the convenience of operation.In the regulation handle 610
On be also preferably equipped with dial 620, on the dial 620 be provided with scale corresponding with the amplitude of rotating in a circumferential direction.
Further, referring to Figures 1 and 2, in the present embodiment, transmission device includes being connected to drive device 310 and the
The first driving section 410 between one power transmission shaft 421 and be connected between the first power transmission shaft 421 and second driving shaft 422 second
Driving section, the second driving section is synchromesh gear group, synchromesh gear group include the driving wheel 423 that is connected with the first power transmission shaft 421 and
The driven pulley 424 for being connected with second driving shaft 422 and coordinating with driving wheel 423.Such transmission structures are simple, and can
Realize the purpose for driving the first power transmission shaft 421 and second driving shaft 422 simultaneously using same drive device 310.Using synchronous gear
Wheel group is as the second driving section, and the engaging tooth shape band of driving wheel 423 and driven pulley 424 is operationally without relative slip, gearratio
It is big and accurate, high transmission accuracy；Stable drive, noise are small, are particularly suitable for high-speed drive；When mounted without being especially tensioned,
With 422 pairs of the first power transmission shaft 421 and second driving shaft to the first power transmission shaft 421 and second driving shaft 422 and in practical application
The pressure of bearing 441 that should coordinate is smaller, transmission efficiency；Number of times is lubricated when using relatively fewer, water-fast corrosion-resistant and high-temperature resistant, dimension
Protect easy maintenance.
Reference picture 1, specifically in the present embodiment, the first driving section 410 are tape handler.Tape handler is also associated with
Existing mechanism for regulating tightness (not shown), to carry out V belt translation machine synchromesh gear group is corresponding relative to after rotating in a circumferential direction
The belt tightness degree regulation of structure, to ensure transmission device normal work.
Further, referring to Figures 1 and 2, in the present embodiment, machining cell 200 also includes being used to install drive device
310th, screw mechanism 120 is additionally provided with the casing 700 of transmission device and toolbox, lathe bed 100 and flat with the axial direction of blank 900 Y
Capable guide rail 110, casing 700 is slidably matched with guide rail 110 and is connected screw mechanism 120 so that toolbox can be by leading screw machine
Structure 120 is moved up in the side parallel with the axial direction of blank 900 Y, i.e., casing can be moved in filled arrows direction along along Fig. 1.In reality
In, integral main shaft 430 is generally preferably placed in casing 700.By setting casing 700 to improve compact overall structure,
The setting of guide rail 110 and screw mechanism 120 is easy to adjust the axial Y relative distances between toolbox and blank 900.
Specifically in the present embodiment, connected between casing 700 and screw mechanism 120 by feed screw nut 121.
Further, reference picture 1, Fig. 6 and Fig. 7, in the present embodiment, clamping tooling, which is connected with, can control the edge of blank 900
Make the power set 320 of feed motion perpendicular to vertical direction Z and axial direction Y horizontal direction X, clamping tooling passes through slide 140
It is connected with power set 320, lathe bed 100 is provided with the slide rail 130 coordinated with slide 140.The setting of power set 320, structure
Simply, and the feed motion of blank 900 can easily be realized, the direction of feed motion can refer to side shown in hollow arrow in Fig. 7
To.Such structure carries out Milling Process using the feed motion of blank 900 and the main motion of toolbox, relative to cutter group
Part is made for feed motion and main motion simultaneously, can greatly simplify the structure of machining cell 200.
Further, reference picture 6 and Fig. 7, in the present embodiment, clamping tooling are clamped including the first gripping block 810, second
Block 820 and clamping cylinder 830, clamping cylinder 830 are connected with the second gripping block 820 and can drive the second gripping block 820 towards close
Or the direction away from the first gripping block 810 is moved and is placed in the first gripping block 810 and the second gripping block with corresponding clamping or release
Blank 900 between 820.Direction shown in filled arrows in the direction of motion reference picture 7 of clamping cylinder 830.The clamping tooling knot
Structure is simple, easy to make.
Specifically in the present embodiment, the above-mentioned gripping block 820 of first gripping block 810 and second is preferably common vee-block.Tool
In the present embodiment, above-mentioned blank 900 is not limited to cylinder bar to body, (specially changes first to clamp by changing clamping tooling
The gripping block 820 of block 810 and second) bar of multiple section shape and the processing of materials in the tube are realized, it is applied widely.
Specifically in the present embodiment, reference picture 6 preferably includes two groups of clamping toolings and two power set 320, to improve
The reliability of clamping and positioning.The power set 320 are common servomotor.
Specifically in the present embodiment, the first milling cutter 510 and the second milling cutter 520 are common slitting milling cutter.The slitting milling cutter is in
It is discoid.
Further, reference picture 1, in the present embodiment, the roller carrier shaft machining tool are symmetrically set in blank 900 including two
The machining cell 200 at axial Y two ends.The axial direction of blank 900 Y two ends are added respectively using the structure of double integral main shafts 430
Work, so only needs clamped one time to complete flat mouth or the notch processing at the axial direction of blank 900 Y two ends, and production efficiency is significantly improved,
Labor intensity is greatly reduced.
Above-mentioned drive device 310 is preferably motor.
The utility model embodiment additionally provides a kind of roller carrier shaft processing method, using above-mentioned roller carrier shaft machining tool and presses
According to following steps processing：
Blank 900 is held on clamping tooling；
Adjustment blank 900 answers working position between the first milling cutter 510 and the second milling cutter 520 and carrying out aim at tool operation；
After the completion of knife, start machining cell 200 and carry out Milling Process, during Milling Process is carried out, by making
Erected between first milling cutter 510 and the second milling cutter 520 relative to rotating in a circumferential direction with adjusting the first milling cutter 510 and the second milling cutter 520
Nogata is to the spacing d on Z so as to process the flat mouth for meeting design size or notch on working position in answering for blank 900.
It should be noted that above-mentioned roller carrier shaft processing method due to the utility model roller carrier shaft machining tool embodiment base
In same design, its technique effect brought is identical with the utility model roller carrier shaft machining tool embodiment, and particular content can join
The narration seen in the utility model roller carrier shaft machining tool embodiment, here is omitted.
Specifically in the present embodiment, it is that spacing d is indirectly adjusted by rotating in a circumferential direction for above-mentioned integral main shaft 430.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Any modifications, equivalent substitutions and improvements made within new spirit and principle etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (10)
1. roller carrier shaft machining tool, it is characterised in that：Machining cell including lathe bed, on the lathe bed and for clamping base
The clamping tooling of part, the machining cell includes drive device and the toolbox being connected with the drive device, described
Toolbox includes being arranged at intervals and be axially parallel to the first milling cutter and the second milling cutter of the blank, and the blank should be processed
Position can be placed between first milling cutter and second milling cutter, can be relative between first milling cutter and second milling cutter
In rotating in a circumferential direction to adjust the spacing of first milling cutter and the second milling cutter in the vertical direction so as in the blank
Answer and the flat mouth for meeting design size or notch are processed on working position.
2. roller carrier shaft machining tool as claimed in claim 1, it is characterised in that：The drive device and the toolbox it
Between be connected by transmission device, the transmission device includes the first power transmission shaft for being connected with first milling cutter and with described second
The connected second driving shaft of milling cutter, first power transmission shaft and the second driving shaft are arranged in integral main shaft, the one
Main shaft can be circumferentially rotatable to adjust the spacing indirectly.
3. roller carrier shaft machining tool as claimed in claim 2, it is characterised in that：The integral main shaft, which is provided with, to be used to install described
The first through hole of first power transmission shaft and the second through hole for installing second driving shaft；Or, the integral main shaft includes fixing
The first axle sleeve and the second axle sleeve of connection, first power transmission shaft are arranged in first axle sleeve, and the second driving shaft is worn
In second axle sleeve.
4. roller carrier shaft machining tool as claimed in claim 2, it is characterised in that：The integral main shaft is also associated with being used to adjust
The integral main shaft rotates in a circumferential direction the regulation handle of amplitude.
5. roller carrier shaft machining tool as claimed in claim 2, it is characterised in that：The transmission device includes being connected to the drive
Move the first driving section between device and first power transmission shaft and be connected to first power transmission shaft and the second driving shaft
Between the second driving section, second driving section be synchromesh gear group, the synchromesh gear group include and described first transmission
The connected driving wheel of axle and the driven pulley for being connected with the second driving shaft and coordinating with the driving wheel.
6. roller carrier shaft machining tool as claimed in claim 5, it is characterised in that：First driving section is tape handler,
The tape handler is also associated with mechanism for regulating tightness.
7. roller carrier shaft machining tool as claimed in claim 2, it is characterised in that：The machining cell also includes being used to install institute
State be additionally provided with the casing of drive device, the transmission device and the toolbox, the lathe bed screw mechanism and with it is described
The axially in parallel guide rail of blank, the casing is slidably matched with the guide rail and is connected the screw mechanism so that the cutter group
Part can be moved up by the screw mechanism in the side axially in parallel with the blank.
8. roller carrier shaft machining tool as claimed in claim 1, it is characterised in that：The clamping tooling be connected with can control it is described
Make the power set of feed motion, the clamping tooling perpendicular to the vertical direction and the axial horizontal direction in blank edge
It is connected by slide with the power set, the lathe bed is provided with the slide rail coordinated with the slide.
9. roller carrier shaft machining tool as claimed in claim 1, it is characterised in that：The clamping tooling include the first gripping block,
Second gripping block and clamping cylinder, the clamping cylinder are connected with second gripping block and can drive the second gripping block court
Closer or far from first gripping block direction move with it is corresponding clamp or release be placed in first gripping block with it is described
The blank between second gripping block.
10. roller carrier shaft machining tool as claimed in any one of claims 1-9 wherein, it is characterised in that：It is symmetrically set in including two
The machining cell at the axial two ends of the blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720131741.2U CN206474724U (en) | 2017-02-13 | 2017-02-13 | Roller carrier shaft machining tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720131741.2U CN206474724U (en) | 2017-02-13 | 2017-02-13 | Roller carrier shaft machining tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206474724U true CN206474724U (en) | 2017-09-08 |
Family
ID=59749306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720131741.2U Withdrawn - After Issue CN206474724U (en) | 2017-02-13 | 2017-02-13 | Roller carrier shaft machining tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206474724U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925823A (en) * | 2017-02-13 | 2017-07-07 | 昆明畅运机械制造有限公司 | Roller carrier shaft machining tool and processing method |
-
2017
- 2017-02-13 CN CN201720131741.2U patent/CN206474724U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925823A (en) * | 2017-02-13 | 2017-07-07 | 昆明畅运机械制造有限公司 | Roller carrier shaft machining tool and processing method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170908 Effective date of abandoning: 20180918 |