CN108436399A - Motor lathe main shaft processing technology - Google Patents
Motor lathe main shaft processing technology Download PDFInfo
- Publication number
- CN108436399A CN108436399A CN201810553184.2A CN201810553184A CN108436399A CN 108436399 A CN108436399 A CN 108436399A CN 201810553184 A CN201810553184 A CN 201810553184A CN 108436399 A CN108436399 A CN 108436399A
- Authority
- CN
- China
- Prior art keywords
- main shaft
- plate
- cover board
- car body
- shaft part
- 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.)
- Granted
Links
- 238000005516 engineering process Methods 0.000 title claims abstract description 13
- 238000012545 processing Methods 0.000 title claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 229910000851 Alloy steel Inorganic materials 0.000 claims abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 238000010791 quenching Methods 0.000 claims abstract description 5
- 238000005255 carburizing Methods 0.000 claims abstract description 4
- 238000012958 reprocessing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000000171 quenching effect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000004243 sweat Anatomy 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 206010016256 fatigue Diseases 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Handcart (AREA)
Abstract
The present invention relates to technical field of transportation, especially motor lathe main shaft processing technology, Step 1: sorting：Select carbon structural steels or structural alloy steel as blank part；Step 2: preliminary working：Heats forged is carried out to the blank part in step 1；Step 3: reprocessing：Normalizing is carried out to the blank part after heats forged in step 2；Then carburizing and quenching is carried out after smart car, then is finished, and main shaft part is formed；Step 4: grinding：When being ground, and being ground to the main shaft part in step 3, first cylindrical grinding regrinds endoporus then with honed outer circle centering；Step 5: transhipment：Main shaft part after grinding in step 4 is transported through using trolley；When transhipment, main shaft part is fallen on cover board, and cover board is rotated down around hinged place；Main shaft part is scrolled down through along cover board, and is dropped into car body.This programme solves in the prior art, and part falls into car from eminence, is easily damaged；And in transportational process, part is easy to be stained with the problem of ash.
Description
Technical field
The present invention relates to technical field of transportation, and in particular to motor lathe main shaft processing technology.
Background technology
Currently, the processing of the isometric class blank part of motor lathe main shaft mainly uses die forging method to process, the mistake of part processing
Cheng Zhong can usually be related to transporting defeated problem.Trolley is a kind of common handbarrow, and trolley has single wheel, two-wheeled, three
Point of wheel and four-wheel.The car body material of conventional pushchairs is generally wooden, and the body of handcart material of modern production is generally iron
Skin；The trolley of different purposes has different body constructions.
Existing workshop conveying trolley generally comprises car body, the pushing hands on car body and positioned at car body bottom surface
Idler wheel；In addition, pushing hands is ground away the palm of worker in order to prevent, skid resistant course (such as cotton layer, rubber can be set on the surface of pushing hands
Layer uniformly fixes multiple elongated soft rubber ridges in rubber layer surface).The trolley is generally used for transmission part, makes
Part is put into car body by the used time；When being pushed to the place of needs, pushing hands is held, and pushing hands is lifted up so that car body
One end far from pushing hands tilts down, and car body is upturned close to one end of pushing hands, and then the part in car body is poured out.
There is technical problem in the prior art：
1, since cart has certain depth, if to put down part gently, worker must stretch into hand in car body, and bend over,
Then part is put down gently in car body；For a long time in this way, worker is easy fatigue；For worker under tired state, a little part may be simultaneously
It will not be put down gently in car body by worker, but directly loose one's grip from eminence, when part is fallen into from eminence in car body, part and car body
Strong collision, the case where being susceptible to damage, occur for inner wall；When 2, needing to pour out the part in car body, if part is heavier, use
In the prior art to pour out method, the worker of cart needs larger strength that will push away to hand up, and discharging is very laborious；For a long time such as
This, worker is easy tired out, influences subsequent working efficiency；3, workers with long time pinches pushing hands, easy tos produce sweat, it is long-term in this way,
Pushing hands is caused to have moist feeling；Especially when summer, pushing hands has moist feeling, comfort level to reduce, and is easy the note of dispersion worker
Meaning power influences worker's work；4, trolley is during transport, without upper cover, is easily stained with grieshoch on part, is unfavorable for zero
The preservation of part and post-production.
Invention content
The purpose of the present invention is to provide motor lathe main shaft processing technologys, solve in the prior art, and part is from eminence
Car is fallen into, is easily damaged；And in transportational process, part is easy to be stained with the problem of ash.
In order to achieve the above objectives, base case of the invention is as follows：
Motor lathe main shaft processing technology, includes the following steps：
Step 1: sorting：Select carbon structural steels or structural alloy steel as blank part；
Step 2: preliminary working：Heats forged is carried out to the blank part in step 1；
Step 3: reprocessing：Normalizing is carried out to the blank part after heats forged in step 2；Then carburizing is carried out after smart car
Quenching, then finished, form main shaft part；
Step 4: grinding：When being ground, and being ground to the main shaft part in step 3, first cylindrical grinding, then with honed
Outer circle centering, regrind endoporus；
Step 5: transhipment：Part after grinding in step 4 is transported through using trolley；Trolley include car body,
Pushing hands and cover board for covering car body, pushing hands are located on car body, and idler wheel is located at vehicle bottom；One end of cover board and car body it is upper
Portion is hinged；The return unit resetted for cover board is equipped in car body；When transhipment, main shaft part is fallen on cover board, and cover board is around hinged
Place rotates down；Main shaft part is scrolled down through along cover board, and is dropped into car body；After main shaft part leaves cover board, return unit
So that cover board sets back.
This programme generate advantageous effect be：
1, heats forged is carried out to blank part in step 2, metal inside fibr tissue is enabled to uniformly to divide along surface
Cloth obtains higher tensile strength, bending strength and torsional strength.
2, the normalized treatment in step 3 so that metal inside crystal grain refinement eliminates forging stress, and improve blank part can
Processability.
When 3, being ground in step 4, first cylindrical grinding regrinds endoporus then with honed outer circle centering；Ensure that outer circle with
Taper hole is coaxial.
4, the main shaft part of this programme is transported through when transhipment using trolley, fills the worker of part by part
When being put into car body, it need not bend over, directly place it on cover board, it will be able to so that part slides into car body；Part with
Strong collision will not occur for car body inner wall, and part is hardly damaged.
5, during transport, cover board can cover car body trolley, and part is not easy to be stained with grieshoch, be conducive to part
Preservation and post-production.
Preferred embodiment one：It is advanced optimized as to base case, the blank part in step 1 is round bar shape.Further
Convenient for the molding of main shaft part.
Preferred embodiment two：As advanced optimizing to preferred embodiment one, device is outer used by being ground in step 4
Circle grinding bed.The outer surface and shaft shoulder end face of further main shaft part easy to process.
Preferred embodiment three：As advanced optimizing to base case or preferred embodiment two, cover board includes the first plate and one
End and the second hinged plate of the first plate；Bracing wire is connect with the second plate, and the second plate can be rotated around hinged place, rotational angle 0
~30 °；Second plate can be contacted with slide plate；The one end of first plate far from the second plate and car body inner wall are hinged, and return unit is located at the
Between one plate and car body inner wall.
Part is further facilitated to slide into car body；Concrete principle is：Part is first slided into along the first plate on the second plate, then
It is slid into car body from the second plate；In addition, the rotational angle of the second plate be 0~30 °, be further ensured that part can be put down gently into
In car body.
Description of the drawings
Fig. 1 is the internal structure schematic diagram of trolley in the embodiment of the present invention one；
Fig. 2 is the status diagram after the cover board rotation in Fig. 1；
Fig. 3 is that the cover board in Fig. 2 rotates down and pushes the status diagram of slide plate again；
Fig. 4 is the front view after the trolley switch gate of the embodiment of the present invention one is opened；
Fig. 5 is the sectional view of switch gate in Fig. 4；
Fig. 6 is the status diagram after switch gate rotation in Fig. 5；
Fig. 7 is the sectional view of switch gate in embodiment two；
Fig. 8 is the sectional view of the first plate and the second plate in Fig. 1.
Specific implementation mode
Below by specific implementation mode, the present invention is described in further detail：
Reference numeral in Figure of description includes：Car body 1, discharge port 11, switch gate 12, elastic component 121, slide plate 122,
Dynamic clamping head and quiet clamping head 123, bar shaped sliding slot 124, groove 1241, sliding groove 125, strip shape gob 13, pushing hands 2, rod cavity 21, arc port 22,
Cover board 3, the first plate 31, limit raised line 311, the second plate 32, turning set 4, rotating bar 5, first bevel gear 51, second bevel gear
52, nose bar 53, bracing wire 6, placement plate 7, lever 71, montant 72.
Embodiment one is basic as shown in attached drawing 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 8：
Motor lathe main shaft processing technology, includes the following steps：
Step 1: sorting：Select carbon structural steels or structural alloy steel as blank part.And the shape of blank part is circle
Stick.Wherein, carbon structural steels are 15 steel of carbon structural steels, 20 steel or 45 steel.Structural alloy steel be structural alloy steel 20Cr,
40Cr, 50Mn or 60Mn.
Step 2: preliminary working：Heats forged is carried out to the blank part in step 1；
Step 3: reprocessing：Normalizing is carried out to the blank part after heats forged in step 2；Then carburizing is carried out after smart car
Quenching, carburized (case) depth are 0.6~1.0mm, and the hardness after quenching and being tempered is 59~64HRC.It is finished again, forms master
Axis part.
Step 4: grinding：Main shaft part in step 3 is ground, device used by being ground is cylindricalo grinding
Bed.And when being ground, first cylindrical grinding regrinds endoporus then with honed outer circle centering.
Step 5: transhipment：Part after grinding in step 4 is transported through using trolley；Trolley include car body 1,
Pushing hands 2 and idler wheel, pushing hands 2 are fixed on car body 1, and idler wheel is located at 1 bottom of car body；It further include power part and for covering car body 1
Cover board 3, the upper articulation of one end and car body 1 of cover board 3.
Power part include turning set 4, rotating bar 5, bracing wire 6, first bevel gear 51 and engaged with first bevel gear 51
Two bevel gears 52.Power cavity is equipped in the side wall of car body 1, first bevel gear 51 and second bevel gear 52 are respectively positioned in power cavity.
The surface of turning set 4 is provided with multiple sponge strips.
Pushing hands 2 is cylinder, and turning set 4 is sleeved in pushing hands 2, and turning set 4 is rotatablely connected with pushing hands 2；It is equipped in pushing hands 2
Rod cavity 21 for accommodating rotating bar 5, and the torsional spring for 5 return of rotating bar is equipped in rod cavity 21；It is set in the cavity wall of rod cavity 21
There is arc port 22, this arc port 22 is the arc opening being arranged along 2 circumferential direction of pushing hands, accounts for the 2/3 of the circumference of pushing hands 2
~4/5 (this programme specifically takes 3/4).
The side protrusion of rotating bar 5, forms the nose bar 53 in Fig. 1, and nose bar 53 is pierced by solid with turning set 4 from arc port 22
It is fixed；One end of rotating bar 5 is stretched into power cavity, and the end is fixed with first bevel gear 51；It is fixed with and turns in second bevel gear 52
Dynamic rod, and rotate rod and be rotatablely connected with the bottom surface for rotating chamber；After one end of bracing wire 6 is fixed on rotation rod, bracing wire 6 is wrapped in
It rotates on rod.
Cover board 3 includes the first plate 31 and one end and the second hinged plate 32 of the first plate 31；And second plate 32 can be around hinged
Place's rotation, rotational angle are that 0~30 ° (this programme specifically takes 30 °) can be under the first plate 31 in order to realize this effect
A limit raised line 311 is fixed on surface, when the second plate 32 rotates down 30 °, limit raised line 311 resists the second plate 32, in turn
So that the second plate 32 will not be rotated further by.Second plate 32 can contact with slide plate 122 and slide plate 122 is pushed to move downward；First plate 31
One end and 1 inner wall of car body far from the second plate 32 are hinged.6 hole of bracing wire is provided in the cavity wall of power cavity, bracing wire 6 passes through 6 hole of bracing wire,
Then it is fixedly connected or is hinged with the bottom surface of the second plate 32.The upper surface of first plate 31 and the second plate 32 is equipped with rubber layer, if
Part is fallen to from eminence on the first plate 31, and rubber layer can slow down shock, while rubber layer can also increase between part
Frictional force so that part slowly slides into car body 1.
The return unit resetted for cover board 3 is equipped in car body 1, which includes two springs, and one of spring is solid
It is scheduled between the lower surface and the inner wall of car body 1 of the first plate 31；Another spring is connected between the first plate 31 and the second plate 32,
And under the holding of the spring, the first plate 31 and the second plate 32 can remain in same level (such as Fig. 8).
The side wall of car body 1 is equipped with discharge port 11, and discharge port 11 is located at the lower part of car body 1；It is equipped with and opens at discharge port 11
Shutdown 12, the lower end of switch gate 12 and car body 1 are hinged, and car body 1 is equipped with (our for the elastic component 121 of Drawing switch door 12
The elastic component 121 of case is also spring)；Car body 1 is equipped with strip shape gob 13, and strip shape gob 13 is located at the top of discharge port 11, bar shaped
Mouth 13 is connected to discharge port 11；The slide plate 122 for entering strip shape gob 13 under the promotion of cover board 3 is slidably connected on switch gate 12,
Switch gate 12 is equipped with the dynamic clamping head and quiet clamping head 123 resetted for slide plate 122.
The thickness of switch gate 12 is more than the thickness of discharge port 11, and switch gate 12 is extend into car body 1；Slide plate 122 slides
It is connected on the side that switch gate 12 is located in car body 1.
In order to realize being slidably connected for slide plate 122 and switch gate 12, when specific setting, sliding groove is equipped in switch gate 12
125, and sliding groove 125 is located at the side in car body 1；Slide plate 122 is slidably connected in sliding groove 125, dynamic clamping head and quiet clamping head
123 are fixed between the bottom surface of slide plate 122 and the bottom surface of sliding groove 125.Dynamic clamping head and quiet clamping head 123 in this programme is compression spring.
In addition, in order to further be convenient for the discharging of part in car body 1, a placement plate 7 is placed in the inner bottom surface of car body 1,
Strip-shaped hole there are one being set in the bottom wall of car body 1；The through-hole being connected to strip-shaped hole there are one being set on the inner bottom surface of car body 1；Strip-shaped hole
It inside sets there are one lever 71, lever 71 is fixed with montant 72 on one end far from switch gate 12, montant 72 stretches into through-hole；Lever
71 other end is located at the lower section of switch gate 12；When switch gate 12 is opened, switch gate 12 can support downwards the end of lever 71
Portion so that the montant 72 on 71 other end of lever moves upwards, and then placement plate 7 is supported upwards；Make placement plate 7 towards switch
The direction of door 12 tilts down, and when switch gate 12 1 is opened, part in placement plate 7 will be along placement plate 7 from discharging
Mouth 11 skids off.
Using steps are as follows：
A：Bracing wire 6 pulls the second plate 32：Turning set 4 is rotated, turning set 4 drives rotating bar 5 to rotate, and the in rotating bar 5
One bevel gear 51 rotates, and first bevel gear 51 drives second bevel gear 52 to rotate, and second bevel gear 52 drives rotation rod rotation, draws
Line 6 is wound；When bracing wire 6 is wound, the second plate 32 in Fig. 1 is pulled to the state in Fig. 2, and the second plate 32 is limited raised line
311 resist.
B：Bracing wire 6 pulls the first plate 31：It is rotated further turning set 4, since the second plate 32 will not rotate still further below, at this time
One plate 31 can start to rotate, and form the state of Fig. 2, so that the first plate 31 tilts down；Part gradually slides into car body 1
It is interior.When part is put into car body 1 by the worker of dress part, it need not bend over, directly place it on cover board 3, it will be able to so that
Part slides into car body 1；With 1 inner wall of car body strong collision will not occur for part, and part is hardly damaged.
C：4 sweat of turning set is thrown away：Turning set 4 is unclamped, torsional spring enables to rotating bar 5 to rotate backward, so that turning
Dynamic set 4 gets rid of the sweat on turning set 4 with rotating backward and set back；Cover board 3 also sets back simultaneously.Such as
When the part in other places is put by fruit, cart is pushed to another place, again the repeatedly action of first stage and second stage, then
It is secondary that part is put into car body 1.
D：Discharging：Front first stage and second stage rotate turning set 4, and all there are no turn to extreme position；This time
When rotation, turning set 4 is turned to until cannot rotating, cover board 3 slopes downwardly into utmostly at this time；And during this,
Cover board 3 can push 122 slide downward of slide plate, so that slide plate 122 slides into position corresponding with strip shape gob 13, at this point, sliding
For plate 122 without the limitation of 1 wall of car body, slide plate 122 enters in strip shape gob 13 (state for becoming Fig. 6 from Fig. 5), switch gate 12
Without limitation；The meeting Drawing switch of elastic component 121 door 12, switch gate 12 is flipped outward around hinged place, and discharge port 11 is opened
(such as Fig. 4).When switch gate 12 is opened, switch gate 12 can support downwards the end of lever 71 so that on 71 other end of lever
Montant 72 moves upwards, and then placement plate 7 is supported upwards；So that the direction of placement plate 7 towards switch gate 12 tilts down, switch
When door 12 1 is opened, the part in placement plate 7 will be skidded off along placement plate 7 from discharge port 11；This programme is compared to existing
There is technology, need not exert oneself overturning car body again, it will be able to discharging is carried out, it is very convenient.
To sum up, using the trolley in this programme, when trammer operates, it is only necessary to rotate turning set 4；The rotation of cover board 3,
Sweat is got rid of in the opening and turning set 4 of discharge port 11, is to come from a power；Very simply and conveniently.
Embodiment two
Such as Fig. 7, the difference between this embodiment and the first embodiment lies in, the slip connection mode of slide plate 122 and switch gate 12 is not
Together：The surface that switch gate 12 is located at the side in car body 1 is equipped with bar shaped sliding slot 124, is set on the both sides inner wall of bar shaped sliding slot 124
Fluted 1241；The side of slide plate 122 is slidably connected in bar shaped sliding slot 124, and the both sides of slide plate 122 are additionally provided with and are inserted into respectively
Locator protrusions in the groove 1241；Dynamic clamping head and quiet clamping head 123 (compression spring) is fixed on the bottom wall and slide plate 122 of bar shaped sliding slot 124
Bottom surface between.
The above are merely the embodiment of the present invention, the common sense such as well known concrete structure and characteristic are not made excessively herein in scheme
Description.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention is implemented
And patent practicability.The scope of protection required by this application should be based on the content of the claims, specific in specification
The records such as embodiment can be used for explaining the content of claim.
Claims (4)
1. motor lathe main shaft processing technology, which is characterized in that include the following steps：
Step 1: sorting：Select carbon structural steels or structural alloy steel as blank part；
Step 2: preliminary working：Heats forged is carried out to the blank part in step 1；
Step 3: reprocessing：Normalizing is carried out to the blank part after heats forged in step 2；Then carburizing is carried out after smart car to quench
Fire, then finished, form main shaft part；
Step 4: grinding：When being ground, and being ground to the main shaft part in step 3, first cylindrical grinding, then with honed outer
Circle centering, regrinds endoporus；
Step 5: transhipment：Main shaft part after grinding in step 4 is transported through using trolley；The trolley includes vehicle
Body, pushing hands and the cover board for covering car body, the pushing hands are located on car body, and the idler wheel is located at vehicle bottom；The cover board
One end and car body upper articulation；The return unit resetted for cover board is equipped in car body；
When transhipment, main shaft part is fallen on cover board, and cover board is rotated down around hinged place；Main shaft part rolls downwards along cover board
It is dynamic, and drop into car body；After main shaft part leaves cover board, return unit makes cover board set back.
2. motor lathe main shaft processing technology according to claim 1, it is characterised in that：Blank part in step 1 is circle
Stick.
3. motor lathe main shaft processing technology according to claim 2, it is characterised in that：Used by being ground in step 4
Device is cylindricalo grinding bed.
4. motor lathe main shaft processing technology according to claim 1 or 3, it is characterised in that：The cover board includes first
Plate and one end and the second hinged plate of the first plate；Bracing wire is connect with the second plate, and the second plate can be rotated around hinged place, angle of rotation
Degree is 0~30 °；Second plate can be contacted with slide plate；The one end of first plate far from the second plate is hinged with car body inner wall, and
Return unit is between the first plate and car body inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553184.2A CN108436399B (en) | 2018-05-31 | 2018-05-31 | Motor lathe main shaft processing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810553184.2A CN108436399B (en) | 2018-05-31 | 2018-05-31 | Motor lathe main shaft processing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108436399A true CN108436399A (en) | 2018-08-24 |
| CN108436399B CN108436399B (en) | 2019-06-07 |
Family
ID=63206309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810553184.2A Active CN108436399B (en) | 2018-05-31 | 2018-05-31 | Motor lathe main shaft processing technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108436399B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20310426U1 (en) * | 2003-06-25 | 2003-10-09 | Egert, Günter, 49413 Dinklage | Barrow for collecting material has a modular construction with an upper frame to hold a collecting sack |
| CN103419817A (en) * | 2013-07-31 | 2013-12-04 | 周其锋 | Calcite conveying trolley |
| CN205311650U (en) * | 2016-01-18 | 2016-06-15 | 湖州优创科技有限公司 | Cylindrical steel delivery wagon with protector |
| CN105689967A (en) * | 2014-11-26 | 2016-06-22 | 重庆市巴南区永兴机械厂 | Machining method for machine tool spindle part |
| CN205469199U (en) * | 2016-01-20 | 2016-08-17 | 宏信建设有限公司 | Handcart for multi -use architecture |
| CN207029230U (en) * | 2017-06-28 | 2018-02-23 | 四川建筑职业技术学院 | A kind of new handcart for construction site |
| CN107891892A (en) * | 2017-11-30 | 2018-04-10 | 新晃老蔡食品有限责任公司 | Beef processing transit wagon |
-
2018
- 2018-05-31 CN CN201810553184.2A patent/CN108436399B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20310426U1 (en) * | 2003-06-25 | 2003-10-09 | Egert, Günter, 49413 Dinklage | Barrow for collecting material has a modular construction with an upper frame to hold a collecting sack |
| CN103419817A (en) * | 2013-07-31 | 2013-12-04 | 周其锋 | Calcite conveying trolley |
| CN105689967A (en) * | 2014-11-26 | 2016-06-22 | 重庆市巴南区永兴机械厂 | Machining method for machine tool spindle part |
| CN205311650U (en) * | 2016-01-18 | 2016-06-15 | 湖州优创科技有限公司 | Cylindrical steel delivery wagon with protector |
| CN205469199U (en) * | 2016-01-20 | 2016-08-17 | 宏信建设有限公司 | Handcart for multi -use architecture |
| CN207029230U (en) * | 2017-06-28 | 2018-02-23 | 四川建筑职业技术学院 | A kind of new handcart for construction site |
| CN107891892A (en) * | 2017-11-30 | 2018-04-10 | 新晃老蔡食品有限责任公司 | Beef processing transit wagon |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108436399B (en) | 2019-06-07 |
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