CN108480744A - It is a kind of to facilitate cooling rectangular strip material cutting mechanism - Google Patents
It is a kind of to facilitate cooling rectangular strip material cutting mechanism Download PDFInfo
- Publication number
- CN108480744A CN108480744A CN201810307916.XA CN201810307916A CN108480744A CN 108480744 A CN108480744 A CN 108480744A CN 201810307916 A CN201810307916 A CN 201810307916A CN 108480744 A CN108480744 A CN 108480744A
- Authority
- CN
- China
- Prior art keywords
- cutting mechanism
- workbench
- rack
- strip material
- rectangular strip
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D19/00—Shearing machines or shearing devices cutting by rotary discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1069—Filtration systems specially adapted for cutting liquids
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Shearing Machines (AREA)
Abstract
Facilitating cooling rectangular strip material cutting mechanism the present invention relates to a kind of, it includes rack, it is provided with workbench in the rack, it is provided with working plate on the workbench, it is provided with clamping device on the working plate, it is provided with the cutting mechanism coordinated with its left and right position above the clamping device, the cutting mechanism is connected to start button and scram button；It is additionally provided with cooling device in the rack, the cooling device includes the coolant liquid collecting box that bottom of the frame is mounted on by fixed plate, the coolant liquid collecting box is connected to coolant pump by liquid back pipe road, the coolant pump is arranged by outlet tube road to above cutter, the present invention greatly simplifies the drive mechanism of cutter, the capacity loss in transmission process is reduced, a large amount of energy is saved, is suitable for the square steel cutting off processing of small lot.
Description
Original bill application number：2016102775634
The original bill applying date：On May 18th, 2016
Original bill applicant：Deng Jun
Original bill application title：A kind of disconnecting device for rectangular strip material.
Technical field
The present invention relates to shape extrusion field more particularly to a kind of facilitating cooling rectangular strip material cutting mechanism.
Background technology
During many shape extrusions, can all there be cut off operation, especially for rectangular strip material（Square steel）Mostly
It is required for first cutting off it according to specific length, then just be applied in subsequent processing.
Existing square steel cut-out is all to use two ways mostly, one is directly being cut off by cutting machine, is used
Artificial pressing, cut-out effect is not fine, and the length dimension of cut-out is inaccurate, while being also easy to generate safety accident, also
One is Large Cutting lathes, and Large Cutting lathe is mostly complicated, while needing to adjust the height etc. of cutter, and power passes
Defeated complexity, cost is very high, is not suitable for the square steel cutting off processing of small lot.
Invention content
Facilitating cooling rectangular strip material cutting mechanism the object of the present invention is to provide a kind of, can be worked with up and down adjustment
Platform realizes feed up and down, adjusts the workpiece on workbench and realizes front and back feed, and then may not need cutter feed, greatly
The drive mechanism for simplifying cutter, reduces the capacity loss in transmission process, saves a large amount of energy, is suitable for small lot
Square steel cutting off processing.
In order to achieve the goal above, the technical solution adopted by the present invention is：It is a kind of that cooling rectangular strip material is facilitated to cut
Breaking mechanism, it includes rack（1）, the rack（1）On be provided with workbench（7）, the workbench（7）Lower section setting
Have and rack（1）On the guide rail that is vertically arranged（43）The pulley of cooperation（44）, the workbench（7）It is arranged in height regulating rod
On, and the end set of height regulating rod has height regulation handle（42）；The workbench（7）On be provided with can front and back feed
Working plate, be provided with clamping device on the working plate（21）, the clamping device（21）Top is provided with and its left side
The cutting mechanism of right position cooperation, the cutting mechanism are connected to start button（3）And scram button（4）.
Further, the cutting mechanism includes being arranged in rack（1）Left side power case（5）, the headstock（5）
Including work drive motor（11）, the work drive motor（11）Pass through synchronizing wheel（12）And synchronous belt（13）With transmission shaft（14）Even
It connects, the transmission shaft（14）On be provided with and clamping device（21）The cutter of left and right position cooperation（23）, the described work electricity
Machine（11）It is connected to start button（3）And scram button（4）.
Further, the clamping device（21）Including being arranged on working plate and mutually matched strap（28）
And ambulatory splint（29）, the strap（28）And ambulatory splint（29）It is L-shaped, the strap（28）And work
Dynamic clamping plate（29）Upper identical position offers and cutter（23）The cut-off port of cooperation（32）, the ambulatory splint（29）Connection
To regulating device.
Further, the regulating device includes being connected in ambulatory splint（29）On link block（30）, the company
Connect block（30）It is connected with motion bar（31）, the motion bar（31）It is connected to clamping regulation handle（20）.
Further, the ambulatory splint（29）And strap（28）On offer no less than 2 cut-off ports（32）.
Further, the working plate is set in workbench（7）The guide rod of upper setting（19）On, and connect on front side of workbench
It is connected to front and back position adjusting rod, the front end of the front and back position adjusting rod is connected with front and back feed rocking handle（18）.
Further, the rack（10）Front and back left side be provided with shell（41）, the shell（41）On set
It is equipped with handle, and front side shell（41）On offer two loose slots moved towards vertically, the clamping regulation handle（20）With
Front and back feed rocking handle（18）It is arranged at front side shell（41）Outside, with front and back feed rocking handle（18）It is set at the loose slot of cooperation
It is equipped with graduated scale（17）.
Further, it further includes being arranged in rack（1）On cooling device, the cooling device include pass through fixation
Plate（49）Mounted on rack（1）The coolant liquid collecting box of bottom（48）, the coolant liquid collecting box（48）Pass through liquid back pipe road
（46）It is connected to coolant pump（16）, the coolant pump（16）Pass through outlet tube road（15）It is arranged to above cutter.
Further, the workbench（7）On offer liquid outlet（26）, the liquid outlet（26）Lower section is provided with
Funnel（45）, the funnel（45）Pass through conduit（47）It is connected to coolant liquid collecting box（48）.
Further, the liquid outlet（26）Top is provided with cooling liquid filtering apparatus（22）, the coolant liquid mistake
Filter device（22）Including embedded workbench（7）On filter cartridge（24）, the filter cartridge（24）Upper surface and workbench（7）
Concordantly, the filter cartridge（24）Medial surface be provided with and pick and place handle（27）, bottom plate be filter screen（25）.
Beneficial effects of the present invention are：
1, feed up and down can be realized with up and down adjustment workbench, adjusted the workpiece on workbench and realized front and back feed, in turn
Cutter feed is may not need, greatly simplifies the drive mechanism of cutter, reduces the capacity loss in transmission process, is saved big
The energy of amount is suitable for the square steel cutting off processing of small lot.
2, cutting mechanism is simple in structure, and power transmission efficiency is high, low cost, at the same can be largely saving energy
Loss.
3, the design of clamping device, both may be implemented from the cooperation of different square steel, while cut-off port and knife can also be passed through
Have perfect cooperation, it is simple for structure.
4, the structure for adjusting dress is simple, easy to operate, and using manual adjustment, at low cost.
5, the quantitative design of cut-off port facilitates the needs for adapting to different length cut-out, while can also disposably cut more
The square steel of kind different size.
6, the front and back feed of working plate is simple in structure, easy to operate, is greatly saved equipment cost and ability consumption.
7, the Position Design for clamping regulation handle and front and back feed rocking handle, facilitates the operation of operator, graduated scale is set
Meter can control the range that height is adjusted with auxiliary operator.
8, the design of cooling device can be prevented when cutting off work, and temperature is excessively high, and then prevent cutter and workpiece from damaging
Evil.
9, the design of liquid outlet and funnel may be implemented recycling for coolant liquid, further save processing cost.
10, the design of filter device, it is therefore prevented that chip enters in conduit and coolant liquid collecting box, and then ensures cooling dress
The pipeline set is not in stopping state, and the structure of filter device is simple, convenient for picking and placeing, greatly facilitates the cleaning of chip.
Description of the drawings
Fig. 1 is a kind of stereoscopic schematic diagram facilitating cooling rectangular strip material cutting mechanism.
Fig. 2 is the stereoscopic schematic diagram of working portion.
Fig. 3 is the stereoscopic schematic diagram that workbench adjusts part.
Fig. 4 is the vertical view of filter device.
Fig. 5 is the sectional view of A-A in Fig. 4.
Fig. 6 is the vertical view of clamping device.
Label character as shown in the figure is expressed as：1, rack；2, handle；3, start button；4, scram button；5, headstock；
6, processing unit (plant)；7, workbench；11, work drive motor；12, synchronizing wheel；13, synchronous belt；14, transmission shaft；15, outlet tube road；16、
Coolant pump；17, graduated scale；18, front and back feed rocking handle；19, guide rod；20, it clamps and adjusts rocking handle；21, clamping device；22, cold
But liquid filter device；23, cutter；24, filter cartridge；25, filter screen；26, liquid outlet；27, handle is picked and placeed；28, fixing clip；
29, movable clip block；30, link block；31, motion bar；32, cut-off port；33, square steel；41, shell；42, height regulation handle；43、
Guide rail；44, pulley；45, funnel；46, liquid back pipe road；47, conduit；48, coolant liquid collecting box；49, fixed plate.
Specific implementation mode
In order to make those skilled in the art more fully understand technical scheme of the present invention, below in conjunction with the accompanying drawings to the present invention into
The description of row detailed description, this part is only exemplary and explanatory, should not there is any limitation to protection scope of the present invention
Effect.
As shown in figs 1 to 6, concrete structure of the invention is：It is a kind of to facilitate cooling rectangular strip material cutting mechanism,
It includes rack 1, is provided with workbench 7 in the rack 1, the lower section of the workbench 7 be provided with it is vertical in rack 1
The pulley 44 that the guide rail 43 of setting coordinates, the workbench 7 is arranged on height regulating rod, and the end of height regulating rod is set
It is equipped with height regulation handle 42；Be provided on the workbench 7 can the front and back working plate being fed, be arranged on the working plate
There are clamping device 21,21 top of clamping device to be provided with the cutting mechanism coordinated with its left and right position, the cut-out
Mechanism is connected to start button 3 and scram button 4.
Preferably, for the cutting mechanism including setting in 1 left side power case 5 of rack, the headstock 5 includes work
Motor 11, the work drive motor 11 are connect by synchronizing wheel 12 and synchronous belt 13 with transmission shaft 14, on the transmission shaft 14
It is provided with the cutter 23 coordinated with 21 left and right position of clamping device, the work drive motor 11 is connected to start button 3 and emergency stop
Button 4.
Preferably, the clamping device 21 includes being arranged on working plate and mutually matched strap 28 and activity
Clamping plate 29, the strap 28 and ambulatory splint 29 are L-shaped, identical on the strap 28 and ambulatory splint 29
Position offer the cut-off port 32 coordinated with cutter 23, the ambulatory splint 29 is connected to regulating device.
Preferably, the regulating device includes the link block 30 being connected on ambulatory splint 29, the link block 30
It is connected with motion bar 31, the motion bar 31, which is connected to, clamps regulation handle 20.
Preferably, no less than 2 cut-off ports 32 are offered on the ambulatory splint 29 and strap 28.
Preferably, before the working plate is arranged on the guide rod 19 being arranged on the table 7, and workbench front side is connected with
The front end of position adjusting rod afterwards, the front and back position adjusting rod is connected with front and back feed rocking handle 18.
Preferably, the front and back left side of the rack 10 is provided with shell 41, and handle is provided on the shell 41,
And two loose slots moved towards vertically are offered on front side shell 41, the clamping regulation handle 20 and front and back feed rocking handle 18
It is arranged at the outside of front side shell 41, graduated scale 17 is provided at the loose slot coordinated with front and back feed rocking handle 18.
Preferably, it further includes the cooling device being arranged in rack 1, and the cooling device includes passing through fixed plate 49
Coolant liquid collecting box 48 mounted on 1 bottom of rack, the coolant liquid collecting box 48 are connected to cooling by liquid back pipe road 46
Liquid pump 16, the coolant pump 16 pass through the setting of outlet tube road 15 to cutter top.
Preferably, liquid outlet 26 is offered on the workbench 7,26 lower section of liquid outlet is provided with funnel 45,
The funnel 45 is connected to coolant liquid collecting box 48 by conduit 47.
Preferably, 26 top of liquid outlet is provided with cooling liquid filtering apparatus 22, the cooling liquid filtering apparatus
22 include the filter cartridges 24 on embedded workbench 7, the filtering concordant with workbench 7, described of the upper surface of the filter cartridge 24
The medial surface of box 24 is provided with and picks and places handle 27, bottom plate is filter screen 25.
When specifically used, square steel 33 is first put into workbench 7 from right side, square steel 33 is then passed through into fixing clip 28 and is lived
Between dynamic fixture block 29, so that movable clip block 29 is moved backward by clamping regulation handle 20, clamp square steel, then press start button
3, workbench 7 is adjusted by height regulation handle 42 and is moved to suitable height along guide rail 43, is then shaken by front and back feed
Handle 18 pushes the work forward plate backward, and then cutter 23 is made to be contacted with square steel 33, proceeds by cutting, is held by front and back feed rocking handle 18
The continuous plate that pushes the work forward backward, until square steel 33 is cut off；In cutting-off process, coolant pump 16 is in running order, outlet tube
Road 15 is continuously cutter and provides coolant liquid；When chip in gear filter cartridge 24 is excessive, cutter is set to stop fortune by start button 3
Turn, filter cartridge 24 is taken out by picking and placeing handle 27, chip is cleaned up, filter cartridge 24 is installed again later, is worked on.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment including a series of elements includes not only those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Principle and implementation of the present invention are described for specific case used herein, the explanation of above example
It is merely used to help understand the method and its core concept of the present invention.The above is only a preferred embodiment of the present invention, it answers
When pointing out due to the finiteness of literal expression, and objectively there is unlimited concrete structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined in the right way；These improve retouching, variation or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, is regarded as protection scope of the present invention.
Claims (6)
1. a kind of facilitating cooling rectangular strip material cutting mechanism, it includes rack（1）, which is characterized in that the rack
（1）On be provided with workbench（7）, the workbench（7）On be provided with working plate, be provided on the working plate clamping dress
It sets（21）, the clamping device（21）Top is provided with the cutting mechanism coordinated with its left and right position, the cutting mechanism
It is connected to start button（3）And scram button（4）, the clamping device（21）Including being arranged on the table and cooperating
Strap（28）And ambulatory splint（29）, the strap（28）And ambulatory splint（29）It is L-shaped, described consolidates
Clamp plate（28）And ambulatory splint（29）Upper identical position offers and cutter（23）The cut-off port of cooperation（32）, the work
Dynamic clamping plate（29）It is connected to regulating device, the rack（1）On be additionally provided with cooling device, the cooling device includes logical
Cross fixed plate（49）Mounted on rack（1）The coolant liquid collecting box of bottom（48）, the coolant liquid collecting box（48）By returning
Liquid pipeline（46）It is connected to coolant pump（16）, the coolant pump（16）Pass through outlet tube road（15）It is arranged onto cutter
Side.
A kind of facilitating cooling rectangular strip material cutting mechanism 2. according to claim 1, which is characterized in that described
Cutting mechanism includes being arranged in rack（1）Left side power case（5）, the headstock（5）Including work drive motor（11）, described
Work drive motor（11）Pass through synchronizing wheel（12）And synchronous belt（13）With transmission shaft（14）Connection, the transmission shaft（14）Upper setting
Have and clamping device（21）The cutter of left and right position cooperation（23）, the work drive motor（11）It is connected to start button（3）With
Scram button（4）.
A kind of facilitating cooling rectangular strip material cutting mechanism 3. according to claim 1, which is characterized in that described
Regulating device includes being connected in ambulatory splint（29）On link block（30）, the link block（30）It is connected with motion bar
（31）, the motion bar（31）It is connected to clamping regulation handle（20）.
A kind of facilitating cooling rectangular strip material cutting mechanism 4. according to claim 1, which is characterized in that described
Ambulatory splint（29）And strap（28）On offer no less than 2 cut-off ports（32）.
A kind of facilitating cooling rectangular strip material cutting mechanism 5. according to claim 1, which is characterized in that described
Workbench（7）On offer liquid outlet（26）, the liquid outlet（26）Lower section is provided with funnel（45）, the funnel（45）
Pass through conduit（47）It is connected to coolant liquid collecting box（48）.
A kind of facilitating cooling rectangular strip material cutting mechanism 6. according to claim 5, which is characterized in that described
Liquid outlet（26）Top is provided with cooling liquid filtering apparatus（22）, the cooling liquid filtering apparatus（22）Including embedded workbench
（7）On filter cartridge（24）, the filter cartridge（24）Upper surface and workbench（7）Concordantly, the filter cartridge（24）'s
Medial surface, which is provided with, picks and places handle（27）, bottom plate be filter screen（25）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307916.XA CN108480744B (en) | 2016-05-18 | 2016-05-18 | Square strip-shaped material cutting mechanism convenient to cool |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277563.4A CN106563842B (en) | 2016-05-18 | 2016-05-18 | A kind of disconnecting device for rectangular strip material |
| CN201810307916.XA CN108480744B (en) | 2016-05-18 | 2016-05-18 | Square strip-shaped material cutting mechanism convenient to cool |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610277563.4A Division CN106563842B (en) | 2016-05-18 | 2016-05-18 | A kind of disconnecting device for rectangular strip material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108480744A true CN108480744A (en) | 2018-09-04 |
| CN108480744B CN108480744B (en) | 2019-12-10 |
Family
ID=58531941
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810307916.XA Expired - Fee Related CN108480744B (en) | 2016-05-18 | 2016-05-18 | Square strip-shaped material cutting mechanism convenient to cool |
| CN201610277563.4A Expired - Fee Related CN106563842B (en) | 2016-05-18 | 2016-05-18 | A kind of disconnecting device for rectangular strip material |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610277563.4A Expired - Fee Related CN106563842B (en) | 2016-05-18 | 2016-05-18 | A kind of disconnecting device for rectangular strip material |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN108480744B (en) |
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| US5161443A (en) * | 1990-11-01 | 1992-11-10 | Huang Kin P | Revolving speed regulating mechanism of circular sawing machine |
| CN101439519A (en) * | 2007-11-19 | 2009-05-27 | 胡明强 | Automatic cutting machine |
| CN203045036U (en) * | 2012-11-20 | 2013-07-10 | 南南铝业股份有限公司 | Section cutting saw machine |
| CN204053107U (en) * | 2014-07-22 | 2014-12-31 | 天津市裕泰机械有限责任公司 | Square steel positioning-cutting device |
| CN204545594U (en) * | 2015-04-20 | 2015-08-12 | 王忠富 | A kind of Profile cut-off machine being convenient to regulate |
| CN105081970A (en) * | 2015-08-31 | 2015-11-25 | 蒙城瑞玛电动车有限公司 | Clamp for square-section rod piece of electric vehicle |
| CN105290501A (en) * | 2015-11-06 | 2016-02-03 | 天津市晟方庆宇科技发展有限公司 | Large-diameter steel cutting machine |
| CN205111266U (en) * | 2015-09-28 | 2016-03-30 | 福建中网电力科技有限公司 | Automatic fixed -length cut of fastener body part and drilling equipment |
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| CN2180376Y (en) * | 1993-11-20 | 1994-10-26 | 河北胜利客车厂车椅分厂 | Composite cutter for thin wall square section steel pipe |
| CN201776474U (en) * | 2009-12-16 | 2011-03-30 | 林如华 | Multiple-spindle drilling machine with adjustable spacing |
| CN201906856U (en) * | 2010-12-31 | 2011-07-27 | 泉州市华盛机械设备有限公司 | Special drilling machine for machining linkage pieces on crawler assembly |
| CN202137675U (en) * | 2011-06-13 | 2012-02-08 | 朴英俊 | Lifting type multifunctional abrasive wheel cutting machine |
| CN202639385U (en) * | 2012-07-11 | 2013-01-02 | 浙江工贸职业技术学院 | Multi-drill head drill rig |
| CN202763149U (en) * | 2012-07-18 | 2013-03-06 | 福州鼎力机械有限公司 | Milling machine |
| CN203236026U (en) * | 2013-05-07 | 2013-10-16 | 陈小琦 | Milling machine with backup power supply |
| CN203679749U (en) * | 2013-05-28 | 2014-07-02 | 郑国军 | Cutting machine with multiple functions of turning, grinding and cutting |
| CN203679416U (en) * | 2014-01-26 | 2014-07-02 | 南南铝业股份有限公司 | Aluminum workpiece end cutting sawing machine |
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2016
- 2016-05-18 CN CN201810307916.XA patent/CN108480744B/en not_active Expired - Fee Related
- 2016-05-18 CN CN201610277563.4A patent/CN106563842B/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5161443A (en) * | 1990-11-01 | 1992-11-10 | Huang Kin P | Revolving speed regulating mechanism of circular sawing machine |
| CN101439519A (en) * | 2007-11-19 | 2009-05-27 | 胡明强 | Automatic cutting machine |
| CN203045036U (en) * | 2012-11-20 | 2013-07-10 | 南南铝业股份有限公司 | Section cutting saw machine |
| CN204053107U (en) * | 2014-07-22 | 2014-12-31 | 天津市裕泰机械有限责任公司 | Square steel positioning-cutting device |
| CN204545594U (en) * | 2015-04-20 | 2015-08-12 | 王忠富 | A kind of Profile cut-off machine being convenient to regulate |
| CN105081970A (en) * | 2015-08-31 | 2015-11-25 | 蒙城瑞玛电动车有限公司 | Clamp for square-section rod piece of electric vehicle |
| CN205111266U (en) * | 2015-09-28 | 2016-03-30 | 福建中网电力科技有限公司 | Automatic fixed -length cut of fastener body part and drilling equipment |
| CN105290501A (en) * | 2015-11-06 | 2016-02-03 | 天津市晟方庆宇科技发展有限公司 | Large-diameter steel cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106563842A (en) | 2017-04-19 |
| CN108480744B (en) | 2019-12-10 |
| CN106563842B (en) | 2018-06-15 |
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Granted publication date: 20191210 Termination date: 20210518 |